/* roulang page: index */
:root{
    --bg-deep:#0A0F1E;
    --bg-main:#0D1326;
    --bg-soft:#111A33;
    --primary:#2563EB;
    --primary-light:#3B82F6;
    --accent:#22E07B;
    --accent-soft:rgba(34,224,123,.12);
    --warning:#FFB72C;
    --text-main:#E8EDF7;
    --text-body:#B7C2D9;
    --text-weak:#7E8AA5;
    --line:rgba(255,255,255,.12);
    --glass:rgba(255,255,255,.06);
    --radius:16px;
    --radius-sm:12px;
    --shadow:0 8px 24px rgba(0,0,0,.25);
    --shadow-hover:0 18px 40px rgba(37,99,235,.18);
    --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
    --font-en:Inter,"DIN Alternate","Rajdhani",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-cn);
    background:var(--bg-deep);
    color:var(--text-main);
    line-height:1.7;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
    background-size:48px 48px;
    z-index:0;
    pointer-events:none;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 28px;position:relative;z-index:2}
.main{position:relative;z-index:1}
section{position:relative}

/* ===== Header / Nav ===== */
.site-header{
    position:sticky;top:0;z-index:100;
    background:rgba(10,15,30,.85);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(37,99,235,.25);
    transition:box-shadow .3s;
}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:64px;gap:20px;
}
.brand{
    display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.brand-icon{
    width:40px;height:40px;border-radius:12px;
    background:linear-gradient(135deg,var(--primary),#1E40AF);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 0 0 1px rgba(255,255,255,.2),0 6px 16px rgba(37,99,235,.4);
    position:relative;overflow:hidden;
}
.brand-icon::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,transparent 30%,rgba(34,224,107,.35),transparent 70%);
}
.brand-icon i{position:relative;z-index:1;color:#fff;font-size:19px;filter:drop-shadow(0 0 8px rgba(255,255,255,.6))}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--text-weak);letter-spacing:.14em;margin-top:2px}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:500;border-radius:999px;
    padding:0 24px;height:44px;border:1px solid transparent;
    cursor:pointer;transition:all .25s ease;white-space:nowrap;gap:8px;
    background:transparent;outline:none;line-height:1;
}
.btn-primary{
    background:linear-gradient(135deg,var(--primary-light),var(--primary));
    color:#fff;border-color:rgba(59,130,246,.5);
    box-shadow:0 0 0 4px rgba(37,99,235,.15),0 4px 14px rgba(59,130,246,.3);
}
.btn-primary:hover{
    transform:translateY(-2px);
    box-shadow:0 0 0 6px rgba(37,99,235,.2),0 8px 24px rgba(37,99,235,.4);
    border-color:rgba(34,224,107,.4);
}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-secondary{
    background:rgba(255,255,255,.06);
    border-color:var(--line);color:var(--text-main);
}
.btn-secondary:hover{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.2);
}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-dark{background:#0D1326;border-color:rgba(255,255,255,.14);color:var(--text-main)}
.btn-dark:hover{background:#182242;border-color:var(--primary);color:#fff}
.btn-accent{
    background:linear-gradient(135deg,var(--accent),#0FBF6A);
    color:#06120B;font-weight:700;border:none;
    box-shadow:0 0 0 4px rgba(34,224,123,.15),0 6px 20px rgba(34,224,123,.3);
}
.btn-accent:hover{
    transform:translateY(-2px);box-shadow:0 0 0 6px rgba(34,224,123,.25),0 10px 30px rgba(34,224,123,.4);
}
.btn-loading{pointer-events:none;position:relative;color:transparent!important}
.btn-loading::after{
    content:"";position:absolute;left:50%;top:50%;
    width:18px;height:18px;margin:-9px 0 0 -9px;border-radius:50%;
    border:2px solid rgba(255,255,255,.25);border-top-color:#fff;
    animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Nav bottom row */
.nav-row{
    border-top:1px solid rgba(255,255,255,.05);
    display:flex;align-items:center;
    background:rgba(6,10,22,.45);
}
.nav-row-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:48px;gap:18px;flex-wrap:nowrap;
}
.channel-nav{display:flex;align-items:center;gap:4px;flex-shrink:0}
.channel-nav a{
    display:flex;align-items:center;gap:6px;
    font-size:15px;font-weight:500;color:var(--text-body);
    padding:0 14px;height:36px;border-radius:10px;
    transition:color .2s;position:relative;white-space:nowrap;
}
.channel-nav a i{font-size:14px;opacity:.75}
.channel-nav a:hover{color:#fff}
.channel-nav a.active{color:#fff}
.channel-nav a.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
    background:var(--accent);border-radius:2px;box-shadow:0 0 8px rgba(34,224,123,.7);
}
.channel-nav a:hover::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
    background:var(--accent);border-radius:2px;transition:all .2s;
}
.nav-tools{
    display:flex;align-items:center;gap:12px;
    margin-left:auto;flex-shrink:0;
}
.header-search{display:flex;align-items:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);height:36px;border-radius:999px;padding:0 4px 0 14px;width:230px;transition:border-color .3s}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.header-search input{background:transparent;border:none;outline:none;flex:1;width:100%;font-size:14px;color:var(--text-main)}
.header-search input::placeholder{color:var(--text-weak)}
.header-search button{background:var(--primary);color:#fff;border:none;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:12px;transition:background .2s}
.header-search button:hover{background:var(--primary-light)}
.hot-trend{
    display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);white-space:nowrap;
}
.hot-trend .trend-label{
    background:rgba(255,183,44,.15);color:var(--warning);
    font-size:11px;padding:2px 10px;border-radius:999px;font-weight:600;
    letter-spacing:.04em;
}
.hot-trend a{color:var(--text-weak);transition:color .2s;font-size:13px}
.hot-trend a:hover{color:var(--accent)}
.hamburger{
    display:none;background:none;border:1px solid var(--line);
    width:42px;height:42px;border-radius:12px;cursor:pointer;
    color:var(--text-main);font-size:19px;align-items:center;justify-content:center;
}
.hamburger:hover{background:rgba(255,255,255,.08)}
.mobile-menu{
    display:none;background:#0B1128;border-top:1px solid var(--line);
    padding:14px 0;max-height:calc(100vh - 120px);overflow-y:auto;
}
.mobile-menu .container{display:flex;flex-direction:column;gap:4px}
.mobile-menu a{
    display:flex;align-items:center;justify-content:space-between;
    color:var(--text-body);font-size:16px;padding:14px 10px;
    border-bottom:1px solid rgba(255,255,255,.04);border-radius:10px;
}
.mobile-menu a i{color:var(--primary-light)}
.mobile-menu a.active{color:var(--accent);background:rgba(34,224,123,.06)}
.mobile-menu .hot-trend{padding:10px;margin-top:8px;flex-wrap:wrap}
.mobile-menu .hot-trend a{margin-right:14px}

/* Hero */
.hero{
    min-height:calc(100vh - 112px);
    padding:76px 0 60px;
    display:flex;align-items:center;
    position:relative;overflow:hidden;
}
.hero-bg{
    position:absolute;inset:0;z-index:0;
    background:url('/assets/images/backpic/back-1.png'),linear-gradient(135deg,#0A0F1E,#101B38);
    background-size:cover;background-position:center;
}
.hero-bg::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,rgba(10,15,30,.96) 18%,rgba(10,15,30,.72) 52%,rgba(10,15,30,.4) 100%);
    z-index:1;
}
.hero-bg::after{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,transparent 20%,rgba(10,15,30,.5) 100%);
}
.hero .container{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.hero-copy{max-width:680px}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(34,224,123,.1);
    border:1px solid rgba(34,224,123,.28);
    color:var(--accent);border-radius:999px;
    font-size:14px;font-weight:600;padding:6px 16px;
    margin-bottom:22px;letter-spacing:.04em;
    box-shadow:0 0 16px rgba(34,224,123,.12);
}
.hero-badge i{font-size:14px}
.hero h1{
    font-size:48px;line-height:1.22;font-weight:800;
    letter-spacing:-.01em;margin-bottom:20px;
    background:linear-gradient(140deg,#FFFFFF,#CBD5E1 66%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    color:#fff;
    text-shadow:none;
}
.hero h1 .hl{
    background:linear-gradient(120deg,var(--accent),#B0FFD0);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    display:inline-block;
}
.hero-sub{
    font-size:17px;color:var(--text-body);line-height:1.9;
    max-width:590px;margin-bottom:28px;
}
.hero-ctas{
    display:flex;align-items:center;gap:16px;margin-bottom:30px;flex-wrap:wrap;
}
.hero-ctas .btn{height:54px;padding:0 30px;font-size:16px}
.hero-key-hint{
    font-size:13px;color:var(--text-weak);
    border-left:2px solid rgba(255,255,255,.2);
    padding-left:12px;
}
.hero-trust{
    display:flex;align-items:center;gap:24px;flex-wrap:wrap;
    padding-top:2px;
}
.trust-item{display:flex;align-items:center;gap:8px;color:var(--text-weak);font-size:14px}
.trust-item i{color:var(--accent);font-size:16px}
.trust-item span{color:#A9B6D0}
/* Hero card */
.hero-card-wrap{display:flex;justify-content:flex-end}
.login-card{
    width:100%;max-width:430px;
    background:rgba(13,19,38,.78);
    backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.14);
    border-top:1px solid rgba(255,255,255,.22);
    border-radius:22px;
    padding:28px;
    box-shadow:var(--shadow),inset 0 1px 1px rgba(255,255,255,.15);
    position:relative;
}
.login-card::before{
    content:"";position:absolute;top:-1px;left:26px;right:26px;height:1px;
    background:linear-gradient(90deg,transparent,rgba(34,224,123,.7),transparent);
}
.login-card-head{
    text-align:center;margin-bottom:22px;
}
.login-card-head .lc-icon{
    width:48px;height:48px;border-radius:14px;margin:0 auto 12px;
    background:linear-gradient(135deg,var(--accent),#0EBB64);
    display:flex;align-items:center;justify-content:center;
    font-size:22px;color:#04150B;
    box-shadow:0 8px 24px rgba(34,224,123,.35);
}
.login-card h2{font-size:19px;font-weight:700;margin-bottom:4px}
.login-card .lc-sub{font-size:14px;color:var(--text-weak)}
.form-group{margin-bottom:16px;position:relative}
.form-control{
    width:100%;height:48px;border-radius:10px;
    background:rgba(255,255,255,.07);
    border:1px solid rgba(255,255,255,.15);
    padding:0 14px 0 42px;
    font-size:15px;color:var(--text-main);
    transition:border-color .25s,box-shadow .25s,background .25s;
}
.form-control:focus{
    outline:none;border-color:var(--primary);
    background:rgba(255,255,255,.04);
    box-shadow:0 0 0 4px rgba(37,99,235,.2),0 4px 20px rgba(37,99,235,.12);
}
.form-control.error{border-color:#FF4D4F}
.form-control.success{border-color:var(--accent)}
.form-control-icon{
    position:absolute;left:15px;top:50%;transform:translateY(-50%);
    color:var(--text-weak);font-size:15px;pointer-events:none;
}
.form-error-msg{display:none;color:#FF4D4F;font-size:12px;margin-top:6px;text-align:right}
.form-control.error ~ .form-error-msg{display:block}
.login-btn{
    width:100%;height:50px;border-radius:999px;border:none;
    background:linear-gradient(135deg,#3B82F6,#1D4ED8);
    color:#fff;font-size:16px;font-weight:600;cursor:pointer;
    box-shadow:0 0 0 4px rgba(37,99,235,.22),0 8px 24px rgba(37,99,235,.35);
    transition:all .25s;
}
.login-btn:hover{
    transform:translateY(-2px);
    box-shadow:0 0 0 6px rgba(37,99,235,.25),0 12px 30px rgba(34,224,123,.2);
}
.login-links{
    display:flex;align-items:center;justify-content:space-between;
    margin-top:16px;
}
.login-links a{
    font-size:14px;color:var(--text-body);
    display:inline-flex;align-items:center;gap:6px;transition:color .2s;
}
.login-links a:hover{color:var(--accent)}
.qr-placeholder{
    margin-top:20px;padding-top:18px;border-top:1px dashed rgba(255,255,255,.12);
    display:flex;align-items:center;gap:14px;
}
.qr-code{width:74px;height:74px;flex-shrink:0;border-radius:10px;overflow:hidden;
    background:#E8EDF7;position:relative;display:flex;align-items:center;justify-content:center;
}
.qr-svg{width:100%;height:100%}
.qr-placeholder-text{color:var(--text-weak);font-size:14px;line-height:1.6}
.qr-placeholder-text strong{display:block;color:var(--text-main);font-size:15px;margin-bottom:2px}

/* Section common */
.section{padding:96px 0}
.section-head{margin-bottom:48px}
.section-label{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.12em;
    color:var(--accent);margin-bottom:14px;
}
.section-label::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px}
.section-title{
    font-size:28px;line-height:1.5;font-weight:800;margin-bottom:12px;
    display:flex;align-items:center;gap:16px;
}
.section-title .bar{
    width:5px;height:28px;border-radius:3px;
    background:linear-gradient(180deg,var(--accent),var(--primary));
    flex-shrink:0;
}
.section-desc{color:var(--text-body);font-size:16px;line-height:1.8;max-width:760px}
.section-head.light .section-desc{color:#8B9BB8}

/* Path steps */
.path-section{background:rgba(13,19,38,.65);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.path-grid{
    display:flex;gap:24px;margin-top:50px;
    align-items:flex-start;justify-content:space-between;
}
.path-item{
    flex:1;max-width:260px;position:relative;text-align:center;
    padding:24px 16px 18px;
}
.path-item:nth-child(2){
    flex:1.2;
}
.path-icon{
    width:64px;height:64px;margin:0 auto 18px;
    background:linear-gradient(135deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
    border:1px solid rgba(255,255,255,.16);
    border-top:1px solid rgba(255,255,255,.3);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 10px 30px rgba(0,0,0,.3);
    border-radius:20px;display:flex;align-items:center;justify-content:center;
    font-size:24px;color:var(--accent);position:relative;
}
.path-item:nth-child(2) .path-icon{
    color:#07160D;background:linear-gradient(135deg,var(--accent),#08B260);
    border-color:rgba(34,224,123,.5);
    box-shadow:0 0 0 8px rgba(34,224,123,.15),0 12px 30px rgba(34,224,123,.35);
}
.path-item .node-num{
    position:absolute;top:-8px;right:-6px;
    min-width:26px;height:26px;border-radius:999px;
    background:#0D1326;border:1px solid var(--line);
    font-size:12px;font-style:normal;
    display:flex;align-items:center;justify-content:center;
    color:var(--text-weak);font-weight:600;
}
.path-item:nth-child(2) .node-num{color:var(--accent);border-color:rgba(34,224,123,.5);background:#0B1B14}
.path-item strong{
    display:block;font-size:18px;margin-bottom:8px;color:#fff;
}
.path-item p{font-size:14px;line-height:1.7;color:var(--text-weak)}
.path-line{
    position:absolute;height:2px;border-radius:2px;background:rgba(255,255,255,.2);
    display:flex;justify-content:flex-end;align-items:center;
}
.path-line::after{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
    box-shadow:0 0 8px var(--accent);
}
.path-line.live{
    background:linear-gradient(90deg,rgba(34,224,123,.1),var(--accent));
    overflow:visible;
}

/* Plans */
.plans-section{background:var(--bg-main)}
.plans-shell{
    margin-top:30px;border-radius:20px;overflow:hidden;
    background:rgba(255,255,255,.03);
    border:1px solid rgba(255,255,255,.08);
}
.plans-head{
    display:grid;grid-template-columns:220px repeat(4,1fr);
    border-bottom:1px solid rgba(255,255,255,.1);
}
.plan-vs-title{
    padding:30px 24px;display:flex;flex-direction:column;justify-content:center;
    border-right:1px solid rgba(255,255,255,.05);
}
.plan-vs-title .pt-badge{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--warning);
    background:rgba(255,183,44,.08);padding:4px 12px;border-radius:999px;margin-bottom:12px;
    width:max-content;
}
.plan-vs-title strong{font-size:22px;line-height:1.4}
.plan-vs-title span{font-size:13px;color:var(--text-weak);margin-top:6px}
.plan-cell{padding:28px 20px 16px;text-align:center;border-right:1px solid rgba(255,255,255,.05);position:relative}
.plan-cell:last-child{border-right:none}
.plan-name{font-size:18px;font-weight:700;margin-bottom:8px}
.plan-price{color:var(--text-main);font-size:20px;font-weight:800;margin-bottom:6px}
.plan-price small{font-size:13px;color:var(--text-weak);font-weight:400;margin-left:3px}
.plan-note{font-size:13px;color:var(--text-weak)}
.plan-feature{
    min-height:16px;margin-top:12px;font-size:12px;font-weight:600;
    letter-spacing:.05em;
}
.plan-tag{
    display:inline-block;background:linear-gradient(135deg,var(--warning),#FF9F1C);
    color:#1A0E00;font-size:12px;font-weight:700;
    padding:3px 14px;border-radius:999px;
    margin-top:8px;
}
.plan-cell.recommend{
    background:linear-gradient(180deg,rgba(34,224,123,.1),rgba(34,224,123,.02));
    box-shadow:inset 0 3px 0 var(--accent);
}
.plan-cell.recommend .plan-name{color:var(--accent)}
.plan-action{
    display:grid;grid-template-columns:220px repeat(4,1fr);
    gap:6px;padding:14px;background:rgba(0,0,0,.16);
}
.plan-action-vs{color:var(--text-weak);font-size:13px;padding:0 12px;display:flex;align-items:center}
.plan-action .btn{margin:0 auto;width:calc(100% - 16px);justify-content:center;font-size:14px;height:44px}
.table-compare-row{
    display:grid;grid-template-columns:220px repeat(4,1fr);
    border-bottom:1px solid rgba(255,255,255,.05);
    transition:background .2s;
}
.table-compare-row:hover{background:rgba(0,229,133,.06)}
.table-compare-row .td-feature{
    padding:15px 24px;color:var(--text-body);font-size:15px;
    display:flex;align-items:center;gap:8px;font-weight:500;
}
.td-feature i{color:var(--text-weak);font-size:13px;width:18px}
.td-value{
    padding:15px 10px;text-align:center;font-size:14px;color:#A9B6D0;
    display:flex;align-items:center;justify-content:center;
    border-right:1px solid rgba(255,255,255,.03);
}
.td-value:last-of-type{border-right:none}
.td-value .yes{color:var(--accent);font-size:16px}
.td-value .no{color:rgba(255,255,255,.15);font-size:16px}
.td-value .tip-text{color:var(--text-weak);font-size:13px}
.row-hot .td-feature span{color:var(--warning)}
.plans-footnote{margin-top:18px;font-size:13px;color:var(--text-weak);text-align:center}

/* Limited activity */
.limit-section{background:linear-gradient(180deg,var(--bg-deep),#111A33);}
.limit-card{
    border-radius:24px;overflow:hidden;position:relative;
    border:1px solid rgba(255,255,255,.16);
    background:linear-gradient(120deg,rgba(37,99,235,.2),transparent 40%),rgba(13,19,38,.9);
    display:flex;align-items:center;
    padding:46px;
    box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.15);
    backdrop-filter:blur(12px);
    gap:40px;
}
.limit-card::before{
    content:"";position:absolute;inset:0;z-index:0;
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity:.25;mix-blend-mode:luminosity;
}
.limit-card::after{
    content:"";position:absolute;inset:0;background:linear-gradient(120deg,
    rgba(10,15,30,.98) 30%,rgba(10,15,30,.74) 70%,rgba(17,26,51,.2));
}
.limit-content,.limit-countdown-wrap{position:relative;z-index:2}
.limit-content{flex:1.1}
.limit-badge{
    display:inline-flex;gap:7px;align-items:center;
    background:rgba(255,183,44,.12);border:1px solid rgba(255,183,44,.3);
    color:var(--warning);padding:4px 14px;border-radius:999px;
    font-size:13px;font-weight:600;margin-bottom:16px;
}
.limit-content h3{
    font-size:28px;font-weight:800;line-height:1.4;
    margin-bottom:12px;
}
.limit-content p{color:var(--text-body);line-height:1.8;max-width:500px;font-size:15px}
.limit-countdown-wrap{flex:.9;display:flex;flex-direction:column;align-items:center;gap:16px}
.limit-label{color:var(--text-weak);font-size:14px;letter-spacing:.04em}
.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;width:100%;max-width:430px}
.countdown-box{
    background:rgba(2,5,12,.82);border:1px solid rgba(255,255,255,.15);
    border-top:1px solid rgba(255,255,255,.28);
    border-radius:16px;padding:18px 10px;text-align:center;
    box-shadow:0 6px 16px rgba(0,0,0,.3),inset 0 1px rgba(255,255,255,.12);
}
.countdown-box .num{
    font-family:var(--font-en);
    font-size:38px;font-weight:700;line-height:1.1;
    font-variant-numeric:tabular-nums;
    color:var(--text-main);
}
.countdown-box .unit{font-size:12px;color:var(--text-weak);margin-top:5px;display:block;letter-spacing:.1em}
.countdown-sep{display:flex;align-items:center;flex-direction:column;justify-content:center;color:var(--accent);font-size:14px}
.limit-cta-btn{
    height:48px;padding:0 34px;background:var(--accent);color:#020C04;
    border:none;border-radius:999px;font-size:16px;font-weight:700;cursor:pointer;
    box-shadow:0 0 0 4px rgba(34,224,123,.2),0 6px 18px rgba(34,224,123,.35);
    transition:all .25s;
}
.limit-cta-btn:hover{transform:translateY(-2px);box-shadow:0 0 0 6px rgba(34,224,123,.28),0 10px 24px rgba(34,224,123,.4)}
.limit-footnote{color:var(--text-weak);font-size:12px;line-height:1.4;text-align:center}

/* News */
.news-section{background:var(--bg-main)}
.tabs{
    display:flex;align-items:center;gap:28px;flex-wrap:wrap;
    border-bottom:1px solid rgba(255,255,255,.08);
    margin-bottom:36px;
}
.tabs .tab{
    position:relative;padding:13px 2px 13px;color:var(--text-body);
    font-size:15px;font-weight:500;cursor:pointer;
    border:none;background:none;transition:color .2s;
}
.tabs .tab:hover{color:#fff}
.tabs .tab.active{color:#fff}
.tabs .tab.active::after{
    content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
    background:var(--accent);border-radius:2px;
    box-shadow:0 0 10px rgba(34,224,123,.6);
}
.news-layout{display:grid;grid-template-columns:70% 1fr;gap:36px}
.news-main-list{display:flex;flex-direction:column;gap:18px}
.news-featured-card{
    border-radius:18px;overflow:hidden;background:var(--glass);
    border:1px solid rgba(255,255,255,.1);
    transition:transform .3s,box-shadow .3s;
    display:flex;flex-direction:column;
}
.news-featured-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-featured-card .nf-img{
    width:100%;aspect-ratio:2.2/1;object-fit:cover;
    background:linear-gradient(120deg,#182242,#0D1326);
}
.news-featured-card .nf-body{padding:20px 24px 24px}
.news-featured-card .nf-meta{
    display:flex;align-items:center;gap:14px;margin-bottom:10px;
    font-size:13px;color:var(--text-weak);
}
.news-tag{
    background:rgba(37,99,235,.15);color:var(--primary-light);
    border-radius:999px;padding:2px 12px;font-size:12px;border:1px solid rgba(37,99,235,.25);
}
.news-tag.green{background:rgba(34,224,123,.12);color:var(--accent);border-color:rgba(34,224,123,.3)}
.news-tag.orange{background:rgba(255,183,44,.1);color:var(--warning);border-color:rgba(255,183,44,.2)}
.news-featured-card h3{font-size:20px;font-weight:700;line-height:1.45}
.news-featured-card .news-excerpt{
    color:var(--text-body);font-size:15px;line-height:1.75;margin-top:10px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-featured-card:hover h3{color:var(--accent)}
.news-item{
    display:flex;gap:16px;align-items:stretch;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);
    border-radius:14px;padding:12px 14px;
    transition:border-color .2s,background .2s,transform .2s;
}
.news-item:hover{background:rgba(37,99,235,.05);border-color:rgba(37,99,235,.2);transform:translateX(4px)}
.news-item .news-time-col{
    display:flex;flex-direction:column;align-items:center;
    justify-content:center;min-width:56px;
    background:rgba(34,224,123,.1);
    border-radius:8px;padding:6px 4px;
}
.news-item .news-time-col .day{font-family:var(--font-en);font-size:20px;font-weight:700;color:var(--accent);line-height:1.2}
.news-item .news-time-col .ym{font-size:11px;color:var(--text-weak)}
.news-item .ni-body{
    flex:1;display:flex;justify-content:center;flex-direction:column;min-width:0;
}
.news-item .ni-cat{font-size:12px;margin-bottom:4px}
.news-item h3{font-size:16px;font-weight:600;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.news-item:hover h3{color:var(--accent)}
.news-item .ni-ex{
    font-size:13px;color:var(--text-weak);
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;
}
.news-item>a.arrow-link{
    width:40px;display:flex;align-items:center;justify-content:center;
    color:var(--text-weak);font-size:17px;flex-shrink:0;transition:color .2s,transform .2s;
}
.news-item:hover .arrow-link{color:var(--accent);transform:translateX(4px)}
/* Sidebar */
.news-side{display:flex;flex-direction:column;gap:22px}
.side-card{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    border-radius:16px;padding:20px;
}
.side-card .side-title{
    font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card .side-title i{color:var(--warning);font-size:15px}
.side-questions{display:flex;flex-direction:column;gap:4px}
.side-questions a{
    display:flex;align-items:center;gap:10px;padding:10px;
    font-size:14px;color:var(--text-body);border-radius:8px;
    transition:background .2s,color .2s;
}
.side-questions a:hover{background:rgba(37,99,235,.1);color:#fff}
.side-questions .q-icon{color:var(--primary-light);font-size:12px;width:16px;text-align:center}
.side-help-form{background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(17,26,51,.5))}
.side-help-form .side-title{color:#fff}
.side-help-form p{
    color:var(--text-body);font-size:13px;line-height:1.7;margin-bottom:14px;
}
.help-mini-btn{
    display:flex;align-items:center;justify-content:center;gap:8px;
    background:linear-gradient(135deg,var(--primary-light),var(--primary));
    color:#fff;font-weight:600;border-radius:999px;
    height:44px;
    transition:box-shadow .2s,transform .2s;
}
.help-mini-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(37,99,235,.4)}
.side-safe{
    background:rgba(255,255,255,.03);border:1px solid rgba(34,224,123,.2);
}
.side-safe .side-title i{color:var(--accent)}
.side-safe p{
    font-size:14px;color:var(--text-body);line-height:1.8;
    padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.1);
}
.empty-cms{
    text-align:center;padding:56px 30px;color:var(--text-weak);
    border:1px dashed rgba(255,255,255,.15);border-radius:18px;
    background:rgba(255,255,255,.02);
}
.empty-cms i{font-size:40px;color:rgba(255,255,255,.2);margin-bottom:16px}
.empty-cms p{font-size:15px;color:rgba(255,255,255,.35)}

/* Ticket form */
.ticket-section{background:linear-gradient(180deg,var(--bg-main),var(--bg-deep))}
.ticket-layout{display:grid;grid-template-columns:1fr .8fr;gap:46px;align-items:stretch}
.ticket-form-card{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.1);
    border-radius:20px;padding:28px;
    position:relative;
}
.ticket-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ticket-form-grid .full{grid-column:1/-1}
.tf-label{display:block;font-size:14px;color:var(--text-main);font-weight:500;margin-bottom:7px}
.tf-input,.tf-select,.tf-textarea{
    width:100%;background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.16);
    border-radius:10px;padding:0 14px;height:46px;
    font-size:15px;color:var(--text-main);transition:border-color .2s,box-shadow .2s;
}
.tf-textarea{padding:12px 14px;height:120px;resize:vertical;line-height:1.6}
.tf-input:focus,.tf-select:focus,.tf-textarea:focus{
    outline:none;border-color:var(--primary);
    box-shadow:0 0 0 4px rgba(37,99,235,.15);
}
.tf-select{
    appearance:none;-webkit-appearance:none;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237E8AA5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 14px center;
    padding-right:36px;
}
.tf-submit{
    width:100%;height:52px;margin-top:6px;font-size:16px;
}
.form-hint{font-size:13px;color:var(--text-weak);margin-top:8px;display:inline-flex;align-items:center;gap:6px}
.ticket-connect{
    background:rgba(13,19,38,.7);
    border:1px solid rgba(255,255,255,.09);
    border-radius:20px;padding:28px;
    display:flex;flex-direction:column;
}
.connect-row{
    display:flex;align-items:center;gap:18px;
    padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);
}
.connect-row:last-child{border-bottom:none}
.connect-icon{
    width:50px;height:50px;border-radius:999px;flex-shrink:0;
    display:flex;align-items:center;justify-content:center;
    background:rgba(37,99,235,.16);color:var(--primary-light);font-size:21px;
}
.connect-icon.green{background:rgba(34,224,123,.12);color:var(--accent)}
.connect-icon.gold{background:rgba(255,183,44,.12);color:var(--warning)}
.connect-body{flex:1}
.connect-body strong{display:block;font-size:16px;font-weight:600}
.connect-body span{font-size:14px;color:var(--text-weak)}
.link-copy{font-size:14px;color:var(--primary-light);background:none;border:none;cursor:pointer}
.ticket-card-time{
    margin-top:auto;padding-top:18px;
}
.btn-online-service{
    height:46px;background:linear-gradient(135deg,var(--accent),#0FC266);
    color:#031208;font-weight:700;border-radius:999px;border:none;
    display:flex;align-items:center;justify-content:center;gap:8px;
    margin-top:10px;cursor:pointer;
    box-shadow:0 0 0 3px rgba(34,224,123,.14);
    transition:transform .2s,box-shadow .2s;
}
.btn-online-service:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(34,224,123,.25)}

/* FAQ */
.faq-section{background:var(--bg-main)}
.faq-wrap{display:grid;grid-template-columns:280px 1fr;gap:50px;align-items:start}
.faq-intro{
    position:sticky;top:140px;
}
.faq-intro .section-title{margin-bottom:20px}
.faq-intro p{color:var(--text-body);font-size:15px;line-height:1.8}
.faq-list{
    display:flex;flex-direction:column;gap:14px;
    border-top:1px dashed rgba(255,255,255,.18);
    padding-top:8px;
}
.faq-item{
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.07);
    border-radius:16px;overflow:hidden;
    transition:border-color .25s;
}
.faq-item.active{border-color:rgba(34,224,123,.28)}
.faq-q{
    display:flex;justify-content:space-between;align-items:center;
    padding:20px 22px;cursor:pointer;gap:12px;
    flex-wrap:wrap;
}
.faq-q-text{display:flex;align-items:center;gap:12px;flex:1;min-width:200px}
.faq-q-index{
    background:rgba(37,99,235,.16);color:var(--primary-light);
    min-width:26px;height:26px;border-radius:8px;font-size:13px;
    display:inline-flex;align-items:center;justify-content:center;font-weight:600;
}
.faq-q-text strong{font-size:15px;font-weight:600;color:var(--text-main)}
.faq-a{
    max-height:0;overflow:hidden;transition:max-height .4s ease,opacity .3s;
    opacity:0;line-height:1.8;
}
.faq-item.active .faq-a{
    max-height:400px;opacity:1;
}
.faq-a-inner{
    padding:0 22px 22px 60px;color:var(--text-body);font-size:15px;
    background:linear-gradient(180deg,transparent,rgba(34,224,123,.03));
    border-top:1px solid rgba(255,255,255,.05);
    padding-top:14px;
}

/* CTA banner */
.cta-banner-section{padding:28px 0 96px;background:var(--bg-main)}
.cta-banner{
    background:linear-gradient(135deg,#18264D,#101A33);
    border:1px solid rgba(255,255,255,.08);
    border-radius:22px;
    padding:34px 40px;
    display:flex;align-items:center;gap:28px;justify-content:space-between;
    flex-wrap:wrap;position:relative;
}
.cta-banner::after{
    content:"";position:absolute;inset:0;border-radius:22px;
    background:linear-gradient(120deg,rgba(37,99,235,.1),transparent);
    pointer-events:none;
}
.cta-banner .cta-text{z-index:1;flex:1;min-width:240px}
.cta-banner .cta-text strong{font-size:22px;display:block;margin-bottom:6px}
.cta-banner .cta-text span{color:var(--text-body);font-size:15px}
.cta-banner .btn-accent{z-index:1;height:52px;padding:0 36px;font-size:16px}

/* Footer */
.site-footer{
    background:#070B16;border-top:1px solid rgba(255,255,255,.06);
    padding:74px 0 0;position:relative;z-index:2;
}
.footer-grid{
    display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;
    gap:40px;
    padding-bottom:45px;
    border-bottom:1px solid rgba(255,255,255,.07);
}
.footer-about .footer-brand{
    display:flex;align-items:center;gap:12px;margin-bottom:16px;
}
.footer-brand-icon{
    width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#1E40AF);
    display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;
    box-shadow:0 0 0 1px rgba(255,255,255,.15);
}
.footer-brand-name{font-size:20px;font-weight:700}
.footer-about p{
    font-size:14px;color:var(--text-body);line-height:1.9;
    margin-bottom:18px;max-width:360px;
}
.footer-social{display:flex;gap:12px;align-items:center}
.social-icon{
    width:38px;height:38px;border-radius:10px;display:flex;
    align-items:center;justify-content:center;
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
    color:var(--text-body);transition:all .2s;
}
.social-icon:hover{background:rgba(37,99,235,.2);color:#fff;border-color:var(--primary)}
.footer-col-title{font-size:17px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col-title::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--accent);border-radius:2px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{
    font-size:15px;color:var(--text-body);display:inline-flex;align-items:center;gap:8px;
    transition:color .2s,transform .2s;
}
.footer-links a::before{content:"\f105";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--primary-light)}
.footer-links a:hover{color:var(--accent);transform:translateX(4px)}
.footer-qr{display:flex;gap:16px;align-items:center}
.qr-code-small{
    width:100px;height:100px;border-radius:14px;
    background:#E8EDF7;overflow:hidden;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.qr-svg-small{width:100%}
.footer-download-text{font-size:15px;color:var(--text-body);line-height:1.8}
.footer-download-links{
    display:flex;flex-direction:column;gap:8px;margin-top:12px;
}
.footer-download-links a{
    font-size:14px;color:var(--text-main);display:flex;align-items:center;gap:8px;
}
.footer-download-links a i{color:var(--accent);font-size:13px}
.footer-bottom{
    padding:22px 0;display:flex;justify-content:space-between;align-items:center;
    flex-wrap:wrap;color:var(--text-weak);font-size:13px;gap:10px;
}

/* Mobile */
@media(max-width:1280px){
    .hero h1{font-size:40px}
    .plans-head,.table-compare-row{grid-template-columns:180px repeat(4,1fr)}
    .table-compare-row .td-feature{padding:14px 18px;font-size:14px}
    .plan-vs-title{padding:20px 18px}
    .plan-cell{padding:22px 14px 14px}
    .plan-action{grid-template-columns:180px repeat(4,1fr)}
    .news-featured-card .nf-img{aspect-ratio:20/9}
}
@media(max-width:1024px){
    .section{padding:80px 0}
    .hero{min-height:auto;padding:50px 0 70px}
    .hero .container{grid-template-columns:1fr;gap:56px}
    .hero-copy{max-width:100%}
    .hero-copy .hero-sub{max-width:800px}
    .hero-card-wrap{justify-content:center}
    .login-card{max-width:440px;margin:0 auto}
    .path-grid{flex-wrap:wrap;justify-content:center;gap:30px 36px}
    .path-item,.path-item:nth-child(2){flex:0 0 calc(50% - 30px);max-width:320px}
    .news-layout{grid-template-columns:1fr}
    .news-side{flex-direction:row;flex-wrap:wrap;align-items:stretch}
    .side-card{flex:1;min-width:46%}
    .side-card:last-child{min-width:100%}
    .ticket-layout{grid-template-columns:1fr}
    .faq-wrap{grid-template-columns:1fr}
    .faq-intro{position:static;margin-bottom:20px}
    .footer-grid{grid-template-columns:1fr 1fr}
    .footer-qr{grid-column:1/-1}
    .limit-card{flex-direction:column;align-items:flex-start;gap:34px}
    .limit-countdown-wrap{width:100%}
    .header-search{width:180px}
}
@media(max-width:768px){
    .section{padding:64px 0}
    .section-title{font-size:24px}
    .hero h1{font-size:36px}
    .hero .container{grid-template-columns:1fr}
    .hero-sub{font-size:16px}
    .hero-ctas{gap:12px}
    .hero-ctas .btn{font-size:15px;padding:0 20px}
    .channel-nav,.nav-tools{display:none}
    .header-actions .btn-sm-hide{display:none}
    .hamburger{display:flex}
    .mobile-menu a{display:flex}
    .plans-head,.table-compare-row,.plan-action{display:none}
    .plans-mobile-stack{display:block}
    .plan-card-item{
        background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
        border-radius:14px;margin-bottom:16px;overflow:hidden;
    }
    .plan-card-head{padding:20px;display:flex;flex-direction:column;align-items:center;text-align:center;border-bottom:1px solid rgba(255,255,255,.07)}
    .plan-card-head.recommend{background:rgba(34,224,123,.1);box-shadow:inset 0 3px 0 var(--accent)}
    .plan-card-head strong{font-size:20px;margin-bottom:4px;color:#fff}
    .plan-card-head strong.recommend{color:var(--accent)}
    .plan-card-head .price{font-size:19px;font-weight:700;margin:4px 0}
    .plan-card-head .ptpl{font-size:13px;color:var(--text-weak)}
    .plan-card-feats{padding:10px 20px}
    .plan-card-feats li{
        padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.07);
        display:flex;gap:12px;align-items:center;font-size:14px;
    }
    .plan-card-feats li i{color:var(--accent)}
    .plan-card-btn{padding:16px 20px;background:rgba(0,0,0,.2)}
    .plan-card-btn .btn{width:100%}
    .limit-card{padding:30px 24px}
    .limit-content h3{font-size:22px}
    .countdown-grid{grid-template-columns:repeat(4,1fr)}
    .countdown-box{padding:14px 6px}
    .countdown-box .num{font-size:30px}
    .ticket-form-grid{grid-template-columns:1fr}
    .cta-banner{padding:28px 24px;flex-direction:column;text-align:center}
    .faq-a-inner{padding-left:16px;padding-right:16px}
}
@media(max-width:520px){
    .container{padding:0 16px}
    .brand-main{font-size:16px}
    .brand-sub{display:none}
    .hero{padding:36px 0 54px}
    .hero h1{font-size:30px}
    .hero-badge{font-size:12px}
    .hero-ctas .btn{width:100%;justify-content:center}
    .hero-key-hint{width:100%;text-align:center;margin-top:4px}
    .login-card{padding:20px}
    .section-title{font-size:21px}
    .section-label{font-size:12px}
    .path-grid{flex-direction:column}
    .path-item,.path-item:nth-child(2){flex:1 1 100%;max-width:none}
    .news-item{padding:10px}
    .news-item .ni-ex{display:none}
    .news-item .news-time-col{min-width:48px}
    .news-side{flex-direction:column}
    .side-card{min-width:auto}
    .footer-about .footer-brand{justify-content:flex-start}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .footer-qr{flex-direction:column;align-items:flex-start}
    .footer-bottom{justify-content:center;text-align:center}
    .footer-download-links{flex-direction:row;flex-wrap:wrap;gap:12px}
    .ticket-section .section-head{text-align:left}
    .limit-cta-btn{width:100%}
    .countdown-grid{gap:8px}
    .countdown-box .num{font-size:24px}
}
/* plans mobile stack default hidden */
.plans-mobile-stack{display:none}
.td-feature i{margin-right:4px}
/* focus visible general */
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* roulang page: article */
:root {
    --bg-deep: #0A0F1E;
    --bg-card: #0D1326;
    --bg-soft: rgba(255, 255, 255, 0.04);
    --glass: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.12);
    --primary: #2563EB;
    --primary-light: #60A5FA;
    --accent: #22E07B;
    --accent-dark: #10B981;
    --warning: #FFB72C;
    --danger: #FF4D4F;
    --text: #F2F6FC;
    --text-body: #E8EDF7;
    --text-weak: #93A0B8;
    --text-muted: #64748B;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 18px 40px rgba(37, 99, 235, 0.18);
    --shadow-glow: 0 0 0 4px rgba(37, 99, 235, 0.25);
    --font-cn: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
    --font-en: "Inter", "DIN Alternate", "Rajdhani", "Segoe UI", sans-serif;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    font-family: var(--font-cn);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-body);
    background:
        linear-gradient(rgba(10, 15, 30, 0.78), rgba(10, 15, 30, 0.88)),
        repeating-linear-gradient(90deg, transparent 0, transparent 44px, rgba(255, 255, 255, 0.012) 44px, rgba(255, 255, 255, 0.012) 45px),
        repeating-linear-gradient(0deg, transparent 0, transparent 44px, rgba(255, 255, 255, 0.012) 44px, rgba(255, 255, 255, 0.012) 45px),
        var(--bg-deep);
    -webkit-font-smoothing: antialiased;
}
body::before {
    content: "";
    position: fixed;
    top: -20%;
    right: -12%;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.16) 0%, rgba(37, 99, 235, 0.04) 36%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: "";
    position: fixed;
    bottom: 0;
    left: -10%;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(34, 224, 123, 0.07) 0%, transparent 66%);
    pointer-events: none;
    z-index: 0;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}
button {
    border: 0;
    cursor: pointer;
    background: none;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: min(1280px, 92%);
    margin: 0 auto;
}
.main-wrap {
    position: relative;
    z-index: 1;
    min-height: 70vh;
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(96, 165, 250, 0.18);
    transition: box-shadow 0.3s ease;
}
.site-header.is-sticky {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 72px;
    transition: height 0.25s ease;
}
.site-header.is-sticky .header-top {
    height: 58px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.brand-logo {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(37, 99, 235, 0.4));
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 20px;
    box-shadow: 0 0 18px rgba(37, 99, 235, 0.35);
}
.brand-logo i {
    text-shadow: 0 1px 8px rgba(255, 255, 255, 0.32);
}
.brand-text {
    display: flex;
    flex-direction: column;
}
.brand-name {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
    line-height: 1.3;
}
.brand-sub {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--accent);
    text-transform: uppercase;
    margin-top: 2px;
    font-family: var(--font-en);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}
.btn-login-user,
.btn-download-client {
    height: 42px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}
.btn-login-user {
    background: linear-gradient(135deg, var(--primary), #1D4ED8);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.btn-login-user:hover {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.25), 0 0 22px rgba(34, 224, 123, 0.28);
    transform: translateY(-1px);
    background: linear-gradient(135deg, #2E6EF2, #1D4ED8);
}
.btn-download-client {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.28);
    color: #E2E8F0;
}
.btn-download-client:hover {
    border-color: var(--accent);
    color: #fff;
    background: rgba(34, 224, 123, 0.08);
}
.header-channel {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(7, 11, 22, 0.36);
}
.channel-row {
    display: flex;
    align-items: center;
    gap: 10px 24px;
    min-height: 48px;
}
.channel-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: wrap;
    padding: 3px 0;
}
.channel-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 14px;
    height: 38px;
    font-size: 15px;
    color: #C3CDDF;
    white-space: nowrap;
}
.channel-nav a i {
    font-size: 13px;
    color: var(--text-muted);
}
.channel-nav a::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
}
.channel-nav a:hover {
    color: #fff;
}
.channel-nav a:hover::after,
.channel-nav a.active::after {
    transform: scaleX(1);
}
.channel-nav a.active {
    color: #fff;
    font-weight: 600;
}
.channel-nav a.active i {
    color: var(--accent);
}
.top-search {
    margin-left: auto;
    display: flex;
    align-items: center;
}
.top-search form {
    display: flex;
    align-items: center;
    height: 34px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    overflow: hidden;
}
.top-search input {
    width: 170px;
    padding: 0 12px;
    background: transparent;
    border: 0;
    outline: none;
    font-size: 13px;
    color: #fff;
}
.top-search input::placeholder {
    color: var(--text-muted);
}
.top-search button {
    width: 36px;
    height: 32px;
    color: var(--text-weak);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.top-search button:hover {
    color: var(--accent);
}
.hot-trends {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}
.hot-trends strong {
    color: var(--warning);
    font-weight: 500;
}
.hot-trends a {
    color: var(--text-muted);
}
.hot-trends a:hover {
    color: var(--accent);
}
.nav-toggle,
.search-toggle {
    color: #fff;
    display: none;
}

/* Article layout */
.article-banner {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background:
        linear-gradient(120deg, rgba(10, 15, 30, 0.88), rgba(13, 19, 38, 0.74)),
        url("/assets/images/backpic/back-1.png") center / cover no-repeat;
    padding: 42px 0 46px;
    position: relative;
    overflow: hidden;
}
.article-banner::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -60px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(34, 224, 123, 0.16), transparent 60%);
    pointer-events: none;
}
.article-crumb {
    margin-bottom: 28px;
    font-size: 13px;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.article-crumb i {
    font-size: 11px;
    color: var(--text-muted);
}
.article-crumb a {
    color: var(--text-weak);
}
.article-crumb a:hover {
    color: var(--accent);
}
.article-title-wrap {
    max-width: 820px;
}
.article-crumb-list {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    margin: 0;
    list-style: none;
}
.article-crumb-list li {
    display: flex;
    align-items: center;
    gap: 6px;
}
.article-crumb-list li + li::before {
    content: "/";
    color: rgba(255, 255, 255, 0.22);
}
.article-title-wrap h1 {
    font-size: clamp(26px, 4vw, 36px);
    line-height: 1.36;
    font-weight: 800;
    color: #fff;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 13px;
    color: var(--text-weak);
}
.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta .meta-item i {
    font-size: 12px;
    color: var(--text-muted);
}
.article-meta .meta-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(34, 224, 123, 0.08);
    border: 1px solid rgba(34, 224, 123, 0.35);
    color: var(--accent);
    font-size: 12px;
}
.article-meta .meta-source {
    color: var(--primary-light);
    font-weight: 600;
}
.article-main {
    position: relative;
    padding: 52px 0 20px;
}
.article-shell {
    max-width: 820px;
    margin: 0 auto;
    padding: 0;
}
.article-notfound {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 80px 24px;
    text-align: center;
}
.article-notfound i {
    font-size: 44px;
    display: block;
    color: var(--text-muted);
}
.article-notfound p {
    color: var(--text-weak);
    font-size: 16px;
    margin: 16px 0;
}
.article-notfound a {
    color: var(--accent);
}

/* Content body */
.article-content-wrap {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: clamp(24px, 5%, 56px);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.article-content {
    color: var(--text-body);
    font-size: 16px;
    line-height: 1.9;
    word-break: break-word;
}
.article-content > *:first-child {
    margin-top: 0;
}
.article-content p {
    margin: 1.2em 0;
}
.article-content h2 {
    font-size: 24px;
    line-height: 1.45;
    margin: 34px 0 16px;
    color: #fff;
    font-weight: 700;
}
.article-content h3 {
    font-size: 20px;
    line-height: 1.5;
    margin: 28px 0 14px;
    color: #fff;
    font-weight: 600;
}
.article-content a {
    color: var(--primary-light);
    border-bottom: 1px solid rgba(37, 99, 235, 0.4);
}
.article-content a:hover {
    color: var(--accent);
    border-bottom-color: rgba(34, 224, 123, 0.7);
}
.article-content img {
    border-radius: var(--radius-md);
    max-width: 100%;
    margin: 28px 0;
    box-shadow: var(--shadow-card);
    background: rgba(255, 255, 255, 0.04);
}
.article-content blockquote {
    position: relative;
    margin: 26px 0;
    padding: 14px 22px;
    border-radius: 0 14px 14px 0;
    background: rgba(255, 255, 255, 0.045);
    border-left: 4px solid var(--accent);
    color: #D6DEEB;
}
.article-content blockquote::before {
    content: "\201C";
    position: absolute;
    top: -6px;
    left: 10px;
    font-size: 46px;
    color: rgba(34, 224, 123, 0.18);
    font-family: serif;
}
.article-content blockquote p {
    margin: 6px 0;
}
.article-content blockquote p:first-child {
    margin-top: 0;
}
.article-content blockquote p:last-child {
    margin-bottom: 0;
}
.article-content ul,
.article-content ol {
    margin: 1.2em 0;
    padding-left: 1.6em;
}
.article-content li {
    margin: 0.55em 0;
}
.article-content ul li::marker {
    color: var(--accent);
}
.article-content ol li::marker {
    color: var(--primary-light);
    font-weight: 600;
}
.article-content table {
    width: 100%;
    margin: 30px 0;
    border-collapse: collapse;
    border-radius: var(--radius-md);
    overflow: hidden;
    font-size: 15px;
}
.article-content th {
    background: rgba(37, 99, 235, 0.16);
    color: #fff;
    font-weight: 600;
    text-align: left;
}
.article-content th,
.article-content td {
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 16px;
    vertical-align: top;
}
.article-content tbody tr:nth-child(even) {
    background: rgba(34, 224, 123, 0.04);
}
.article-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 3px 8px;
    border-radius: 5px;
    font-family: "SFMono-Regular", "Consolas", monospace;
    font-size: 0.95em;
    color: #B6E6D0;
}
.article-content pre {
    background: #070B14;
    padding: 20px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    overflow-x: auto;
    margin: 26px 0;
}
.article-content pre code {
    background: none;
    padding: 0;
    color: #E2E8F0;
    font-size: 14px;
}

/* Pager */
.post-pager {
    margin-top: 28px;
}
.post-pager-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 8px;
}
.post-pager a {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    transition: all 0.22s ease;
    min-height: 76px;
}
.post-pager a:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(34, 224, 123, 0.4);
    transform: translateY(-2px);
}
.post-pager .pager-dir {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}
.post-pager .pager-title {
    color: #E2E8F0;
    font-size: 15px;
    font-weight: 500;
    line-height: 1.45;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.post-pager .pager-next {
    text-align: right;
}
.post-pager .pager-next .pager-dir {
    justify-content: flex-end;
}

/* Related */
.related-section {
    padding: 72px 0 90px;
}
.section-heading {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}
.section-heading .heading-line {
    width: 4px;
    height: 24px;
    background: var(--accent);
    border-radius: 4px;
}
.section-heading h2 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
    color: #fff;
}
.section-heading .heading-note {
    margin-left: auto;
    font-size: 13px;
    color: var(--text-muted);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.related-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: var(--shadow-hover);
}
.related-cover {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(34, 224, 123, 0.08));
    overflow: hidden;
    position: relative;
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .related-cover img {
    transform: scale(1.04);
}
.related-cover .cover-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 30px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(34, 224, 123, 0.12));
}
.related-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-body h3 {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin: 0 0 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
}
.related-body p {
    font-size: 13px;
    color: var(--text-weak);
    line-height: 1.7;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}
.related-meta .cat {
    color: var(--accent);
}
.no-related {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px 0;
    color: var(--text-muted);
    font-size: 14px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
}
.empty-icon {
    font-size: 34px;
    display: block;
    margin-bottom: 10px;
    color: var(--text-muted);
}

/* SEO note */
.seo-note {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* Footer (as shared) */
.site-footer {
    background: rgba(3, 7, 17, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 30px;
    padding: 64px 0 26px;
    font-size: 14px;
    position: relative;
    z-index: 2;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.75fr 0.9fr 1fr;
    gap: 44px;
    padding-bottom: 26px;
}
.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #fff;
    margin-bottom: 15px;
}
.footer-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: linear-gradient(135deg, var(--primary), #164EBD);
    align-items: center;
    justify-content: center;
    display: inline-flex;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}
.footer-brand-name {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
}
.footer-about > p {
    color: var(--text-weak);
    font-size: 13px;
    line-height: 1.8;
    margin: 12px 0 18px;
}
.footer-social {
    display: flex;
    gap: 11px;
}
.social-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.09);
    color: var(--text-weak);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.social-icon:hover {
    color: var(--accent);
    border-color: rgba(34, 224, 123, 0.35);
    background: rgba(34, 224, 123, 0.08);
}
.footer-col-title {
    font-size: 15px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 18px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    color: var(--text-weak);
    font-size: 14px;
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}
.footer-platforms {
    display: flex;
    align-items: center;
    color: var(--text-weak);
    gap: 10px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
}
.footer-platforms i {
    color: var(--accent);
    font-size: 18px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 13px;
}
.footer-bottom a {
    color: var(--text-muted);
}
.footer-bottom a:hover {
    color: var(--accent);
}
.footer-bottom .footer-domain {
    font-family: var(--font-en);
    letter-spacing: 0.03em;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 34px;
    }
    .related-grid {
        grid-template-columns: 1fr 1fr;
    }
    .channel-row {
        flex-wrap: wrap;
        padding: 6px 0 10px;
    }
    .hot-trends {
        width: 100%;
    }
    .top-search {
        margin-left: 0;
    }
    .nav-toggle {
        display: inline-flex;
    }
    .header-channel {
        display: block;
    }
}
@media (max-width: 768px) {
    .header-top {
        height: 64px;
    }
    .brand-name {
        font-size: 16px;
    }
    .brand-logo {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    .header-actions {
        gap: 6px;
    }
    .btn-login-user,
    .btn-download-client {
        height: 36px;
        padding: 0 14px;
        font-size: 13px;
    }
    .btn-download-client span {
        display: none;
    }
    .channel-row {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .channel-nav {
        gap: 2px;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 2px;
    }
    .channel-nav::-webkit-scrollbar {
        display: none;
    }
    .channel-nav a {
        height: 34px;
        padding: 0 10px;
        font-size: 14px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .article-content-wrap {
        padding: 20px;
        border-radius: 14px;
    }
    .post-pager-inner {
        grid-template-columns: 1fr;
    }
    .article-banner {
        padding: 30px 0;
    }
    .article-title-wrap h1 {
        font-size: 28px;
        line-height: 1.42;
    }
    .article-main {
        padding-top: 40px;
    }
    .section-heading .heading-note {
        display: none;
    }
}
@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 26px;
    }
    .footer-bottom {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    .brand-name {
        font-size: 15px;
    }
    .article-title-wrap h1 {
        font-size: 25px;
    }
    .article-content {
        font-size: 15px;
    }
    .related-section .related-grid {
        grid-template-columns: 1fr;
    }
}

/* roulang page: category2 */
:root {
    --bg-deep: #0A0F1E;
    --bg-main: #0D1326;
    --bg-card: rgba(255,255,255,0.06);
    --border-white: rgba(255,255,255,0.12);
    --highlight-inner: inset 0 1px 0 rgba(255,255,255,0.18);
    --shadow-card: 0 8px 24px rgba(0,0,0,0.25);
    --shadow-hover: 0 18px 40px rgba(37,99,235,0.18);
    --primary: #2563EB;
    --primary-light: #3B82F6;
    --accent: #22E07B;
    --warning: #FFB72C;
    --danger: #FF4D4F;
    --text-main: #E8EDF7;
    --text-secondary: #A9B6CF;
    --text-weak: #6B7A99;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --font-main: 'PingFang SC','Microsoft YaHei','Source Han Sans SC',sans-serif;
    --font-number: 'Inter','DIN Alternate','Rajdhani',sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg-deep); font-family: var(--font-main); color: var(--text-main); line-height: 1.7; font-size: 15px; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.page-bg-wrap { position: relative; overflow: hidden; }
.page-bg-wrap::before { content: ''; position: fixed; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 44px 44px; pointer-events: none; z-index: 0; }

/* 顶部双行导航 */
.site-header { width: 100%; z-index: 1000; position: sticky; top: 0; }
.header-inner { background: rgba(10,15,30,0.85); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(37,99,235,0.1); }
.header-top { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 60%, #0F2A6E 100%); display: flex; align-items: center; justify-content: center; font-size: 23px; color: var(--accent); box-shadow: 0 0 20px rgba(37,99,235,0.3); }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; background: linear-gradient(90deg, #fff 0%, #D3E0FF 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; white-space: nowrap; }
.logo-sub { font-size: 10px; color: var(--text-weak); letter-spacing: 2px; text-transform: uppercase; margin-top: 1px; }
.header-top-actions { display: flex; gap: 10px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; font-weight: 600; transition: all .25s ease; border: 1px solid transparent; white-space: nowrap; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; }
.btn-primary { background: linear-gradient(135deg, #2563EB, #1D4ED8); color: #fff; border-color: rgba(255,255,255,0.15); }
.btn-primary:hover { box-shadow: 0 0 0 4px rgba(37,99,235,0.25), 0 0 24px rgba(34,224,123,0.15); border-color: rgba(34,224,123,0.4); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 0 0 2px rgba(37,99,235,0.3); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-ghost { background: rgba(255,255,255,0.05); color: var(--text-main); border-color: rgba(255,255,255,0.18); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.btn-ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.channel-bar { border-top: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.02); }
.channel-inner { display: flex; align-items: center; justify-content: space-between; height: 52px; }
.channel-nav { display: flex; align-items: center; gap: 2px; height: 52px; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a { position: relative; display: flex; align-items: center; gap: 6px; height: 52px; padding: 0 16px; color: var(--text-secondary); font-size: 14px; font-weight: 500; white-space: nowrap; transition: color .25s; border-bottom: 2px solid transparent; }
.channel-nav a i { font-size: 13px; opacity: 0.8; }
.channel-nav a:hover { color: var(--primary-light); }
.channel-nav a:hover::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; }
.channel-nav a.active { color: #fff; border-bottom-color: var(--accent); }
.channel-nav a.active::after { content: ''; position: absolute; bottom: 0; left: 16px; right: 16px; height: 2px; background: var(--accent); border-radius: 2px; box-shadow: 0 0 12px rgba(34,224,123,0.5); }
.channel-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-search { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 999px; height: 34px; padding: 0 14px; width: 180px; transition: border-color .3s; }
.header-search:focus-within { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
.header-search i { font-size: 13px; color: var(--text-weak); }
.header-search input { background: transparent; border: none; outline: none; color: var(--text-main); font-size: 12px; width: 100%; }
.header-search input::placeholder { color: var(--text-weak); }
.hot-search { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-weak); white-space: nowrap; }
.hot-search .hot-label { color: var(--warning); font-weight: 600; font-size: 12px; }
.hot-search a { color: var(--text-secondary); }
.hot-search a:hover { color: var(--accent); }
.hamburger { display: none; width: 42px; height: 42px; background: rgba(255,255,255,0.08); border-radius: 10px; border: 1px solid rgba(255,255,255,0.15); color: var(--text-main); font-size: 16px; align-items: center; justify-content: center; }
.header-mobile-search { display: none; background: rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 10px 16px; }

/* Hero 区 */
.category-hero { position: relative; padding: 80px 0 64px; overflow: hidden; }
.category-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; opacity: 0.18; }
.category-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,15,30,0.95) 10%, rgba(10,15,30,0.75) 60%, rgba(10,15,30,0.45) 100%); }
.page-breadcrumb { font-size: 13px; color: var(--text-weak); margin-bottom: 32px; }
.page-breadcrumb a { color: var(--text-secondary); }
.page-breadcrumb a:hover { color: var(--accent); }
.page-breadcrumb .sep { margin: 0 8px; color: var(--text-weak); opacity: 0.6; }
.category-hero h1 { font-size: 48px; line-height: 1.3; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 18px; background: linear-gradient(90deg, #fff 0%, #C7DBFF 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; max-width: 760px; }
.category-desc { font-size: 15px; color: var(--text-secondary); max-width: 700px; margin-bottom: 32px; line-height: 1.9; }
.hero-anchor-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.anchor-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); color: var(--text-secondary); font-size: 13px; transition: all .25s; }
.anchor-chip i { font-size: 11px; color: var(--accent); }
.anchor-chip:hover { background: rgba(37,99,235,0.15); border-color: rgba(37,99,235,0.4); color: #fff; transform: translateY(-2px); }
.hero-meta-line { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; font-size: 13px; color: var(--text-weak); margin-bottom: 24px; }

/* 会员等级横滑区 */
.section-block { padding: 80px 0; position: relative; }
.section-block-alt { background: rgba(255,255,255,0.015); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.section-title-wrap { display: flex; align-items: flex-start; gap: 14px; }
.section-title-bar { width: 4px; height: 32px; background: linear-gradient(180deg, var(--accent), transparent); border-radius: 4px; margin-top: 6px; flex-shrink: 0; }
.section-title { font-size: 28px; font-weight: 800; color: #fff; line-height: 1.4; }
.section-title small { font-size: 14px; font-weight: 400; color: var(--text-weak); letter-spacing: 0.5px; }
.section-desc { font-size: 14px; color: var(--text-weak); max-width: 480px; }
.category-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(34,224,123,0.12); border: 1px solid rgba(34,224,123,0.3); color: var(--accent); padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 500; margin-bottom: 16px; }

.member-tier-scroll { overflow-x: auto; padding-bottom: 20px; scrollbar-width: none; margin: 0 -12px; padding-left: 12px; padding-right: 12px; }
.member-tier-scroll::-webkit-scrollbar { display: none; }
.member-tier-grid { display: flex; gap: 20px; min-width: min-content; }
.tier-card { flex: 1; min-width: 260px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.10); border-radius: var(--radius-lg); padding: 32px 24px 24px; position: relative; transition: transform .3s, box-shadow .3s, border-color .3s; box-shadow: var(--shadow-card); overflow: hidden; }
.tier-card::before { content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 1px; background: rgba(255,255,255,0.18); border-radius: 1px; }
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255,255,255,0.22); }
.tier-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 16px 16px 0 0; }
.tier-card.tier-standard::after { background: linear-gradient(90deg, rgba(255,255,255,0.3), rgba(255,255,255,0.08)); }
.tier-card.tier-plus::after { background: linear-gradient(90deg, rgba(34,224,123,0.6), rgba(34,224,123,0.1)); }
.tier-card.tier-max::after { background: linear-gradient(90deg, #22E07B 0%, #2563EB 50%, #64748B 100%); }
.tier-card.tier-legend::after { background: linear-gradient(90deg, #FFB72C 0%, #F59E0B 50%, #FFB72C 100%); }
.tier-flag { position: absolute; top: 16px; right: 16px; background: rgba(255,183,44,0.15); border: 1px solid rgba(255,183,44,0.3); color: var(--warning); font-size: 11px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.tier-flag.hot { background: rgba(34,224,123,0.12); border-color: rgba(34,224,123,0.35); color: var(--accent); }
.tier-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(37,99,235,0.12); border: 1px solid rgba(37,99,235,0.25); display: flex; align-items: center; justify-content: center; font-size: 21px; color: #60A5FA; margin-bottom: 18px; }
.tier-card.tier-legend .tier-icon { background: rgba(255,183,44,0.1); border-color: rgba(255,183,44,0.3); color: var(--warning); }
.tier-name { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.tier-en { font-size: 11px; color: var(--text-weak); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 18px; }
.tier-price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.tier-price .price-tag { font-size: 13px; color: var(--text-weak); }
.tier-price .currency { font-size: 18px; font-weight: 700; color: #fff; font-family: var(--font-number); }
.tier-price .free { font-size: 24px; font-weight: 800; color: var(--accent); font-family: var(--font-number); }
.tier-points { list-style: none; margin-bottom: 24px; flex-grow: 1; }
.tier-points li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.tier-points li i { color: var(--accent); font-size: 12px; margin-top: 5px; flex-shrink: 0; }
.tier-points li.off i { color: var(--text-weak); opacity: 0.4; }
.tier-points li.off span { opacity: 0.4; }
.btn-tier { height: 44px; border-radius: 999px; width: 100%; font-size: 14px; font-weight: 600; }
.btn-tier-cta { background: linear-gradient(135deg, #2563EB, #1D4ED8); color: #fff; border: 1px solid rgba(255,255,255,0.2); transition: all .3s; }
.btn-tier-cta:hover { box-shadow: 0 0 0 4px rgba(37,99,235,0.25), 0 0 20px rgba(34,224,123,0.12); transform: translateY(-2px); }
.btn-tier-outline { background: transparent; color: var(--text-secondary); border-color: rgba(255,255,255,0.2); }
.btn-tier-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.4); color: #fff; }

/* 吸顶Tab功能对比 */
.compare-wrap { margin-top: 20px; }
.tab-sticky-wrap { position: sticky; top: 112px; z-index: 90; background: rgba(13,19,38,0.9); backdrop-filter: blur(16px); border-radius: 999px; padding: 6px; margin-bottom: 28px; display: flex; align-items: center; gap: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.1); width: fit-content; max-width: 100%; }
.compare-tab { padding: 10px 20px; border-radius: 999px; font-size: 14px; color: var(--text-secondary); cursor: pointer; transition: all .25s; white-space: nowrap; border: none; background: transparent; }
.compare-tab:hover { color: #fff; }
.compare-tab.active { background: linear-gradient(135deg, #2563EB, #1D4ED8); color: #fff; font-weight: 600; box-shadow: 0 4px 16px rgba(37,99,235,0.35); }
.compare-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 860px; }
.compare-table thead th { background: rgba(13,19,38,0.9); padding: 20px 18px; color: #fff; font-weight: 700; font-size: 14px; text-align: center; letter-spacing: 0.3px; position: sticky; top: 0; }
.compare-table thead th:first-child { text-align: left; border-radius: 16px 0 0 0; }
.compare-table thead th:last-child { border-radius: 0 16px 0 0; }
.compare-table thead th .tier-mini-name { display: block; font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.compare-table thead th .tier-mini-price { display: block; font-size: 12px; color: var(--accent); font-weight: 600; }
.compare-table thead th.recommend-col { background: linear-gradient(180deg, rgba(34,224,123,0.15), rgba(13,19,38,0.95)); border-top: 3px solid var(--accent); position: relative; }
.compare-table tbody td { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--text-secondary); font-size: 14px; line-height: 1.6; text-align: center; }
.compare-table tbody td:first-child { text-align: left; font-weight: 500; color: var(--text-main); font-size: 14px; }
.compare-table tbody tr:hover td { background: rgba(34,224,123,0.04); }
.compare-table tbody tr:last-child td:first-child { border-radius: 0 0 0 16px; }
.compare-table tbody tr:last-child td:last-child { border-radius: 0 0 16px 0; }
.compare-mark { display: inline-flex; width: 22px; height: 22px; border-radius: 50%; align-items: center; justify-content: center; font-size: 12px; }
.compare-mark.yes { background: rgba(34,224,123,0.12); color: var(--accent); }
.compare-mark.no { background: rgba(255,255,255,0.04); color: var(--text-weak); font-size: 11px; }
.compare-mark.warn { background: rgba(255,183,44,0.12); color: var(--warning); font-size: 11px; }

/* CTA 登录入口 */
.cta-login-banner { position: relative; border-radius: 20px; overflow: hidden; padding: 56px; background: linear-gradient(90deg, rgba(10,15,30,0.92) 0%, rgba(10,15,30,0.72) 100%); border: 1px solid rgba(255,255,255,0.1); }
.cta-login-banner::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.14; }
.cta-login-banner::after { content: ''; position: absolute; top: 0; right: 10%; width: 320px; height: 320px; background: radial-gradient(circle, rgba(37,99,235,0.25), transparent 70%); }
.cta-content { position: relative; z-index: 2; max-width: 620px; }
.cta-title { font-size: 28px; font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 14px; }
.cta-subtitle { font-size: 15px; color: var(--text-secondary); margin-bottom: 28px; line-height: 1.8; }
.cta-btns { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.cta-btn { height: 48px; padding: 0 30px; border-radius: 999px; font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn-accent { background: linear-gradient(135deg, #22E07B 0%, #16A964 100%); color: #0A0F1E; border: 1px solid rgba(255,255,255,0.2); box-shadow: 0 4px 24px rgba(34,224,123,0.2); }
.btn-accent:hover { box-shadow: 0 0 0 4px rgba(34,224,123,0.2), 0 8px 32px rgba(34,224,123,0.3); transform: translateY(-2px); color: #0A0F1E; }

/* 会员说明规则 */
.rules-note { display: flex; gap: 12px; align-items: flex-start; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); padding: 20px 24px; }
.rules-note i { font-size: 18px; color: var(--warning); margin-top: 2px; }
.rules-note p { font-size: 13px; color: var(--text-weak); line-height: 1.8; }

/* FAQ */
.faq-list { max-width: 860px; }
.faq-item { border-radius: var(--radius-md); background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); margin-bottom: 12px; overflow: hidden; transition: border-color .3s; }
.faq-item:hover { border-color: rgba(255,255,255,0.16); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; cursor: pointer; font-size: 15px; font-weight: 600; color: #E8EDF7; }
.faq-question .arrow { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--text-weak); flex-shrink: 0; transition: transform .3s, background .3s, color .3s; }
.faq-item.open .faq-question .arrow { transform: rotate(180deg); background: rgba(34,224,123,0.1); color: var(--accent); }
.faq-answer { display: none; padding: 0 24px 20px; color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.faq-item.open .faq-answer { display: block; }
.tier-badge-mini { display: inline-block; background: rgba(34,224,123,0.12); border: 1px solid rgba(34,224,123,0.3); color: var(--accent); font-size: 11px; padding: 2px 10px; border-radius: 999px; }

/* 页脚 */
.site-footer { position: relative; border-top: 1px solid rgba(255,255,255,0.08); background: rgba(10,15,30,0.6); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 48px; padding-bottom: 48px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand-icon { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, #2563EB, #1D4ED8); display: flex; align-items: center; justify-content: center; color: var(--accent); }
.footer-brand-name { display: block; font-size: 18px; font-weight: 800; color: #fff; }
.footer-about p { font-size: 13px; color: var(--text-weak); line-height: 1.9; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-icon { width: 32px; height: 32px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: var(--text-weak); font-size: 13px; transition: all .25s; cursor: pointer; }
.social-icon:hover { background: rgba(37,99,235,0.15); color: var(--primary-light); border-color: rgba(37,99,235,0.3); }
.footer-col-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; color: var(--text-weak); transition: color .25s; line-height: 1.5; }
.footer-links a:hover { color: var(--accent); }
.footer-qr { display: flex; gap: 16px; align-items: center; }
.qr-code-medium { width: 88px; height: 88px; background: #fff; border-radius: 12px; padding: 8px; margin-bottom: 8px; }
.qr-svg-medium { width: 100%; height: 100%; display: block; }
.footer-qr-text { font-size: 13px; color: var(--text-secondary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 22px 0 30px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: 13px; color: var(--text-weak); }
.footer-bottom a { color: var(--text-weak); }
.footer-bottom a:hover { color: var(--accent); }

/* 响应式 */
@media (min-width: 1280px) { .section-block { padding: 96px 0; } .member-tier-grid { gap: 24px; } }
@media (max-width: 1280px) { .container { max-width: 1200px; } }
@media (max-width: 1024px) {
    .channel-nav a { padding: 0 14px; }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-about { grid-column: span 3; }
    .category-hero h1 { font-size: 40px; }
}
@media (max-width: 768px) {
    .header-top { height: 60px; }
    .logo-icon { width: 38px; height: 38px; }
    .logo-name { font-size: 18px; }
    .header-top-actions .btn-sm { display: none; }
    .channel-bar { display: none; }
    .hamburger { display: flex; }
    .header-mobile-search { display: block; }
    .category-hero { padding: 48px 0 40px; }
    .category-hero h1 { font-size: 40px; }
    .section-title { font-size: 24px; }
    .cta-login-banner { padding: 32px 24px; }
    .compare-tab-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .footer-grid { grid-template-columns: 1fr 1fr; padding-bottom: 36px; }
    .footer-about { grid-column: span 2; }
    .footer-col { grid-column: span 1; }
    .cta-btns { gap: 10px; width: 100%; }
    .cta-buttons { width: 100%; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .logo-sub { display: none; }
    .category-hero h1 { font-size: 28px; }
    .logo-name { font-size: 17px; }
    .header-mobile-search { display: none; }
    .tier-scroll-wrap { overflow-x: auto; }
    .member-tier-grid { flex-direction: column; min-width: 0; }
    .section-header { flex-direction: column; align-items: flex-start; }
}

.site-footer .qr-svg-small, .qr-svg-medium { display: block; }
/* 模板补充块 */
.tier-tag { font-size: 11px; display: inline-block; background: rgba(255,255,255,0.08); border-radius: 999px; padding: 3px 10px; margin-right: 4px; margin-bottom: 4px; color: var(--text-secondary); border: 1px solid rgba(255,255,255,0.06); }
.phone-mock-input { display: flex; align-items: center; gap: 8px; height: 48px; background: rgba(255,255,255,0.08); border-radius: 12px; padding: 0 16px; border: 1px solid rgba(255,255,255,0.1); margin-bottom: 12px; }
.feature-bullet { display: flex; gap: 8px; font-size: 13px; color: #E8EDF7; }
.feature-bullet i { color: var(--accent); font-size: 14px; }
.fade-text { color: rgba(232,237,247,0.35); }

/* roulang page: category1 */
:root {
    --bg-deep: #0A0F1E;
    --bg: #0D1326;
    --bg-elevated: #111A33;
    --bg-card: rgba(255, 255, 255, 0.06);
    --bg-card-strong: rgba(255, 255, 255, 0.09);
    --border-card: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.18);
    --inner-glow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-glow: rgba(37, 99, 235, 0.25);
    --accent: #22E07B;
    --accent-deep: #0FAE5E;
    --accent-soft: rgba(34, 224, 123, 0.12);
    --warn: #FFB72C;
    --text: #E8EDF7;
    --text-weak: #93A1B8;
    --text-mute: #6B7A94;
    --danger: #FF4D4F;
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lift: 0 18px 40px rgba(37, 99, 235, 0.18);
    --font-main: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, 'Segoe UI', sans-serif;
    --font-display: 'Rajdhani', 'DIN Alternate', 'Arial Narrow', var(--font-main);
    --section-gap: 96px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    background-color: var(--bg-deep);
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 72px 72px;
    color: var(--text);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body::selection {
    background: rgba(34, 224, 123, 0.3);
    color: #fff;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .22s ease, border-color .22s ease, background .22s ease;
}
img {
    display: block;
    max-width: 100%;
}
ul,
ol {
    list-style: none;
}
button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}
.container {
    width: min(1200px, 92%);
    margin-inline: auto;
}
:focus-visible {
    outline: 3px solid rgba(34, 224, 123, 0.55);
    outline-offset: 3px;
    border-radius: 6px;
}
h1,
h2,
h3,
h4 {
    color: #fff;
    line-height: 1.35;
    font-weight: 700;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px 26px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all .26s ease;
    background: transparent;
    color: #fff;
}
.btn i {
    font-size: 14px;
}
.btn-primary {
    background: linear-gradient(135deg, #2E7CF6, var(--primary-dark));
    color: #fff;
    box-shadow: 0 0 0 4px var(--primary-glow), 0 10px 30px rgba(37, 99, 235, 0.34);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2), inset 0 2px 10px rgba(34, 224, 123, 0.28), 0 16px 34px rgba(37, 99, 235, 0.32);
}
.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.18), 0 4px 14px rgba(37, 99, 235, 0.4);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), #16C76D);
    color: #04120B;
    box-shadow: 0 0 0 4px rgba(34, 224, 123, 0.22), 0 10px 26px rgba(34, 224, 123, 0.24);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 4px rgba(34, 224, 123, 0.26), 0 14px 32px rgba(34, 224, 123, 0.32);
    color: #04120B;
}
.btn-accent:active {
    transform: translateY(1px);
}
.btn-outline {
    border-color: rgba(255, 255, 255, 0.26);
    color: #fff;
    background: transparent;
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(34, 224, 123, 0.06);
    transform: translateY(-2px);
}
.btn-outline:active {
    transform: translateY(0);
}
.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.14);
    color: #fff;
}
.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.38);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}
.btn-sm {
    padding: 10px 18px;
    font-size: 14px;
    border-radius: 999px;
}
.btn-lg {
    padding: 17px 34px;
    font-size: 16px;
}

/* ---------- Header Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 15, 30, 0.84);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.32);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: box-shadow .3s ease, background .3s ease;
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 12px;
    padding-bottom: 12px;
    transition: padding .3s ease;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.logo-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #2563EB, #0E3FA8);
    color: #fff;
    font-size: 19px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 18px rgba(37, 99, 235, 0.4);
}
.logo-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.logo-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    white-space: nowrap;
}
.logo-sub {
    font-size: 10px;
    letter-spacing: .12em;
    color: var(--text-weak);
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
    margin-top: 2px;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    color: #fff;
    font-size: 20px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color .2s ease, background .2s ease;
}
.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(34, 224, 123, 0.5);
    color: var(--accent);
}
.nav-shell {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.header-bottom {
    display: flex;
    align-items: center;
    gap: 18px;
}
.channel-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
}
.channel-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 15px;
    font-size: 15px;
    color: var(--text-weak);
    font-weight: 500;
    border-radius: 10px 10px 0 0;
    transition: color .22s ease, background .22s ease;
    white-space: nowrap;
}
.channel-nav a i {
    font-size: 13px;
}
.channel-nav a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    transform: translateX(-50%);
    background: var(--accent);
    border-radius: 10px 10px 0 0;
    box-shadow: 0 0 8px rgba(34, 224, 123, 0.6);
    transition: width .26s ease;
}
.channel-nav a:hover:not(.active) {
    color: var(--primary);
}
.channel-nav a:hover:not(.active)::after,
.channel-nav a.active::after {
    width: 100%;
}
.channel-nav a.active {
    color: #fff;
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.28), transparent 72%);
}
.header-search {
    position: relative;
    width: 190px;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.13);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    transition: border-color .25s ease, box-shadow .25s ease, width .3s ease;
}
.header-search > i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-weak);
    pointer-events: none;
}
.header-search input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    padding: 8px 12px 8px 34px;
    color: #fff;
    font-size: 13px;
}
.header-search input::placeholder {
    color: var(--text-mute);
}
.header-search:focus-within {
    border-color: rgba(37, 99, 235, 0.8);
    width: 220px;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}
.hot-trends {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-mute);
    white-space: nowrap;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding-left: 16px;
}
.hot-trends span {
    margin-left: 9px;
    color: var(--warn);
    cursor: pointer;
    opacity: 0.9;
}
.hot-trends span:hover {
    opacity: 1;
    text-decoration: underline;
}
.site-header.is-scrolled {
    background: rgba(10, 15, 30, 0.92);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.34);
}
.site-header.is-scrolled .header-top {
    padding-top: 6px;
    padding-bottom: 6px;
}
.site-header.is-scrolled .logo-sub,
.site-header.is-scrolled .hot-trends {
    display: none;
}

/* ---------- Category Hero ---------- */
.category-hero {
    position: relative;
    overflow: hidden;
    padding: 112px 0 88px;
    background:
        linear-gradient(100deg, rgba(10, 15, 30, 0.96) 0%, rgba(13, 19, 38, 0.9) 48%, rgba(37, 99, 235, 0.28) 100%),
        url('/assets/images/backpic/back-1.png') center 25% / cover no-repeat;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.category-hero::before {
    content: '';
    position: absolute;
    top: -180px;
    right: -120px;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.32), transparent 65%);
    pointer-events: none;
}
.category-hero .container {
    position: relative;
    z-index: 1;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-weak);
    margin-bottom: 16px;
}
.breadcrumb a {
    color: var(--text-weak);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb i {
    font-size: 11px;
    color: var(--text-mute);
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-soft);
    border: 1px solid rgba(34, 224, 123, 0.28);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    border-radius: 999px;
    padding: 7px 16px;
    margin-bottom: 20px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.category-hero h1 {
    max-width: 860px;
    font-size: 46px;
    line-height: 1.18;
    letter-spacing: -0.01em;
    font-weight: 800;
    margin-bottom: 20px;
}
.category-hero h1 .highlight {
    color: var(--accent);
}
.hero-lead {
    max-width: 760px;
    color: #C8D3E5;
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 32px;
}
.hero-anchors {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.anchor-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.05);
    color: #D6DEE9;
    font-size: 14px;
    backdrop-filter: blur(10px);
    transition: all .24s ease;
}
.anchor-pill i {
    font-size: 12px;
    color: var(--accent);
}
.anchor-pill:hover {
    border-color: rgba(34, 224, 123, 0.4);
    background: rgba(34, 224, 123, 0.1);
    color: #fff;
    transform: translateY(-1px);
}

/* ---------- Sections ---------- */
.section {
    padding: var(--section-gap) 0;
    position: relative;
}
.section .container {
    position: relative;
    z-index: 1;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 40px;
}
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-kicker::before {
    content: '';
    width: 16px;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(34, 224, 123, 0.7);
    border-radius: 2px;
}
.section-head h2,
.steps-intro h2,
.safety-list h2,
.faq-head h2 {
    font-size: 30px;
    letter-spacing: -0.01em;
}
.section-head p {
    max-width: 470px;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.8;
}

/* ---------- Steps Guide ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    gap: 80px;
    align-items: start;
}
.steps-intro {
    position: sticky;
    top: 140px;
}
.steps-intro p {
    margin: 18px 0 28px;
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.9;
}
.intro-points li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: #C3CCDD;
    font-size: 15px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
}
.intro-points li:last-child {
    border-bottom: 0;
}
.intro-points i {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(34, 224, 123, 0.12);
    border: 1px solid rgba(34, 224, 123, 0.2);
    color: var(--accent);
    font-size: 12px;
    flex-shrink: 0;
}
.steps-list {
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
    overflow: hidden;
}
.step-item {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 10px;
    padding: 30px 32px;
    position: relative;
    transition: background .25s ease;
}
.step-item + .step-item {
    border-top: 1px solid rgba(255, 255, 255, 0.055);
}
.step-item:hover {
    background: rgba(255, 255, 255, 0.026);
}
.step-num {
    font-family: var(--font-display);
    font-size: 48px;
    line-height: 1;
    font-weight: 700;
    color: rgba(34, 224, 123, 0.3);
    -webkit-text-stroke: 1px rgba(34, 224, 123, 0.35);
    letter-spacing: .02em;
    transition: color .3s ease, -webkit-text-stroke .3s ease;
}
.step-item:hover .step-num {
    color: var(--accent);
    -webkit-text-stroke: 1px rgba(34, 224, 123, 0.9);
    text-shadow: 0 0 16px rgba(34, 224, 123, 0.4);
}
.step-body {
    min-width: 0;
}
.step-body h3 {
    font-size: 20px;
    margin-bottom: 10px;
}
.step-body p {
    color: var(--text-weak);
    font-size: 15px;
    line-height: 1.85;
}
.step-tag {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 4px 11px;
    margin-bottom: 12px;
    letter-spacing: .03em;
}

/* ---------- Error Table ---------- */
.error-section {
    background: linear-gradient(180deg, rgba(8, 12, 26, 0.7), rgba(13, 19, 38, 0.2));
}
.table-wrap {
    overflow-x: auto;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.error-table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
}
.error-table thead th {
    background: rgba(37, 99, 235, 0.16);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 17px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    white-space: nowrap;
}
.error-table td {
    padding: 17px 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #CBD5E3;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: top;
}
.error-table tbody tr:last-child td {
    border-bottom: 0;
}
.error-table tbody tr {
    transition: background .22s ease;
}
.error-table tbody tr:hover {
    background: rgba(34, 224, 123, 0.055);
}
.error-table .strong-cell {
    color: #E8EDF7;
    font-weight: 600;
}
.error-table .help-label {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}
.error-table .help-label:hover {
    text-decoration: underline;
}
.error-table .help-label i {
    font-size: 11px;
}

/* ---------- Login Ways ---------- */
.way-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.way-item {
    padding: 28px 22px 26px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(9px);
    -webkit-backdrop-filter: blur(9px);
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.way-item::first-letter {
    text-transform: uppercase;
}
.way-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-lift);
    background: rgba(255, 255, 255, 0.08);
}
.way-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 21px;
    color: #fff;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.3);
    box-shadow: var(--inner-glow);
    margin-bottom: 20px;
}
.way-item:nth-child(2) .way-icon,
.way-item:nth-child(4) .way-icon {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: rgba(34, 224, 123, 0.3);
}
.way-item h3 {
    font-size: 18px;
    margin-bottom: 9px;
}
.way-item p {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 16px;
}
.way-metric {
    font-size: 13px;
    color: var(--text-mute);
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    padding-top: 13px;
    display: flex;
    align-items: center;
    gap: 7px;
}
.way-metric i {
    color: var(--accent);
    font-size: 12px;
}

/* ---------- Safety Check ---------- */
.safety-section {
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.055), transparent 42%);
}
.safety-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 52px;
    align-items: center;
}
.safety-media {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid var(--border-card);
    box-shadow: var(--shadow-sm);
}
.safety-media img {
    width: 100%;
    height: 430px;
    object-fit: cover;
}
.safety-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(10, 15, 30, 0.66) 100%);
    pointer-events: none;
}
.safety-media-caption {
    position: absolute;
    left: 20px;
    bottom: 18px;
    z-index: 2;
    padding: 10px 15px;
    border-radius: 28px;
    background: rgba(10, 15, 30, 0.66);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 13px;
}
.safety-media-caption i {
    color: var(--accent);
    margin-right: 6px;
}
.safety-list h2 {
    margin-bottom: 18px;
}
.safety-list > p {
    color: var(--text-weak);
    line-height: 1.85;
    margin-bottom: 24px;
}
.check-list {
    display: grid;
    gap: 4px;
}
.check-item {
    display: flex;
    padding: 18px 4px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.09);
    gap: 18px;
}
.check-item:last-child {
    border-bottom: 0;
}
.check-icon {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    border: 1px solid rgba(34, 224, 123, 0.22);
    color: var(--accent);
    font-size: 15px;
}
.check-item h3 {
    font-size: 17px;
    color: #E8EDF7;
    margin-bottom: 5px;
}
.check-item p {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.75;
}

/* ---------- FAQ ---------- */
.faq-wrap {
    max-width: 920px;
    margin: 0 auto;
}
.faq-head {
    text-align: center;
    margin-bottom: 48px;
}
.faq-head .section-kicker::before {
    margin: auto;
}
.faq-head .section-kicker {
    justify-content: center;
}
.faq-head h2 {
    margin-bottom: 12px;
}
.faq-head p {
    color: var(--text-weak);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto;
}
.faq-hot-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}
.faq-hot-tags span {
    display: inline-block;
    padding: 6px 14px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.04);
    color: var(--warn);
    border-radius: 999px;
}
.faq-list {
    display: grid;
    gap: 12px;
}
.faq-item {
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 15px;
    overflow: hidden;
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.faq-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
}
.faq-item.active {
    background: rgba(34, 224, 123, 0.045);
    border-color: rgba(34, 224, 123, 0.3);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}
.faq-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    background: transparent;
    border: 0;
    padding: 20px 22px;
    color: #E2E9F3;
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    min-height: 64px;
}
.faq-toggle .faq-q-mark {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.28);
    color: #E8EDF7;
    font-size: 13px;
}
.faq-item.active .faq-q-mark {
    background: var(--accent-soft);
    border-color: rgba(34, 224, 123, 0.3);
    color: var(--accent);
}
.faq-toggle .faq-chevron {
    margin-left: auto;
    color: var(--text-weak);
    transition: transform .3s ease, color .3s ease;
    font-size: 15px;
}
.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}
.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows .35s ease;
}
.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
}
.faq-answer-inner {
    overflow: hidden;
}
.faq-answer-inner p {
    padding: 0 22px 22px 66px;
    font-size: 15px;
    color: var(--text-weak);
    line-height: 1.85;
}

/* ---------- Bottom CTA ---------- */
.cta-banner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 32px;
    overflow: hidden;
    border-radius: 24px;
    padding: 52px 56px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background:
        linear-gradient(100deg, rgba(10, 15, 30, 0.94) 0%, rgba(12, 20, 42, 0.84) 55%, rgba(34, 224, 123, 0.12) 100%),
        url('/assets/images/backpic/back-3.webp') center 55% / cover no-repeat;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}
.cta-banner::after {
    content: '';
    position: absolute;
    right: -120px;
    bottom: -170px;
    width: 420px;
    height: 300px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.24);
    filter: blur(60px);
    pointer-events: none;
}
.cta-left,
.cta-btn-box {
    position: relative;
    z-index: 2;
}
.cta-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--accent);
    letter-spacing: .08em;
    font-weight: 600;
    margin-bottom: 12px;
}
.cta-left h3 {
    font-size: 25px;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.cta-left p {
    max-width: 660px;
    color: #C0CBDE;
    line-height: 1.85;
    font-size: 15px;
}
.cta-btn-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}
.cta-btn-box p {
    font-size: 13px;
    color: var(--text-weak);
}

/* ---------- Footer ---------- */
.site-footer {
    padding: 72px 0 30px;
    background: linear-gradient(180deg, rgba(8, 12, 24, 0.97), rgba(5, 7, 14, 0.99));
    border-top: 1px solid rgba(37, 99, 235, 0.35);
    margin-top: 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.9fr 1fr 0.95fr;
    gap: 48px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}
.footer-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, #2563EB, #102D66);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 18px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.footer-brand-name {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
}
.footer-about > p {
    color: var(--text-mute);
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 18px;
    max-width: 400px;
}
.footer-social {
    display: flex;
    gap: 8px;
}
.social-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-weak);
    transition: all .22s ease;
}
.social-icon:hover {
    color: var(--accent);
    border-color: rgba(34, 224, 123, 0.4);
    background: rgba(34, 224, 123, 0.08);
    transform: translateY(-2px);
}
.footer-col-title {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin: 8px 0 18px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 11px;
}
.footer-links a {
    color: var(--text-mute);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    width: fit-content;
    transition: color .2s ease, padding-left .2s ease;
}
.footer-links a i {
    font-size: 11px;
    opacity: 0.55;
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-qr {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}
.qr-code-small {
    width: 104px;
    height: 104px;
    background: #fff;
    padding: 8px;
    border-radius: 14px;
    flex: 0 0 104px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.qr-code-small svg {
    width: 100%;
    height: 100%;
    display: block;
}
.footer-qr-txt {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.8;
}
.footer-download-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #DCE5F0;
    transition: border-color .2s ease, color .2s ease, background .2s ease;
}
.footer-download-link i {
    color: var(--accent);
}
.footer-download-link:hover {
    color: var(--accent);
    border-color: rgba(34, 224, 123, 0.4);
    background: rgba(34, 224, 123, 0.07);
}
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding-top: 28px;
    font-size: 13px;
    color: var(--text-mute);
}
.footer-meta-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.footer-meta-links a {
    color: var(--text-mute);
}
.footer-meta-links a:hover {
    color: var(--accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 1280px) {
    .hot-trends {
        display: none;
    }
    .way-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 1024px) {
    :root {
        --section-gap: 80px;
    }
    .header-bottom {
        gap: 10px;
    }
    .channel-nav a {
        padding: 11px 10px;
        font-size: 14px;
    }
    .category-hero h1 {
        font-size: 40px;
    }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .steps-intro {
        position: static;
        max-width: 680px;
    }
    .way-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .safety-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}
@media (max-width: 900px) {
    .site-header .nav-shell {
        display: none;
    }
    .site-header.nav-open .nav-shell {
        display: block;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        padding-bottom: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .site-header.nav-open .header-bottom {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding-top: 12px;
    }
    .site-header.nav-open .channel-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }
    .site-header.nav-open .channel-nav a {
        border-radius: 12px;
        padding: 12px 14px;
    }
    .site-header.nav-open .channel-nav a::after {
        display: none;
    }
    .site-header.nav-open .channel-nav a.active {
        background: rgba(37, 99, 235, 0.18);
        color: #fff;
    }
    .site-header.nav-open .header-search {
        width: 100%;
    }
    .site-header.nav-open .header-search:focus-within {
        width: 100%;
    }
    .site-header.nav-open .hot-trends {
        display: block;
        padding-left: 0;
        border-left: 0;
        font-size: 13px;
    }
    .nav-toggle {
        display: inline-flex;
    }
}
@media (max-width: 767px) {
    :root {
        --section-gap: 64px;
    }
    .category-hero {
        padding: 88px 0 64px;
    }
    .category-hero h1 {
        font-size: 33px;
    }
    .hero-lead {
        font-size: 15px;
    }
    .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }
    .section-head p {
        max-width: 100%;
    }
    .section-head h2,
    .steps-intro h2,
    .safety-list h2,
    .faq-head h2 {
        font-size: 24px;
    }
    .step-item {
        grid-template-columns: 70px 1fr;
        padding: 24px 18px;
        gap: 6px;
    }
    .step-num {
        font-size: 36px;
    }
    .step-body h3 {
        font-size: 18px;
    }
    .step-body p {
        font-size: 14px;
    }
    .table-wrap {
        overflow: visible;
        border: 0;
        background: transparent;
        box-shadow: none;
    }
    .mobile-cards-table {
        min-width: 0;
        display: block;
    }
    .mobile-cards-table thead {
        display: none;
    }
    .mobile-cards-table tbody {
        display: grid;
        gap: 14px;
    }
    .mobile-cards-table tr {
        display: block;
        border: 1px solid var(--border-card);
        border-radius: 15px;
        background: rgba(255, 255, 255, 0.04);
        overflow: hidden;
        margin-bottom: 0;
        transition: background .2s ease, border-color .2s ease;
    }
    .mobile-cards-table tr:hover {
        border-color: rgba(34, 224, 123, 0.35);
        background: rgba(255, 255, 255, 0.06);
    }
    .mobile-cards-table td {
        display: grid;
        grid-template-columns: 92px 1fr;
        gap: 10px;
        padding: 14px 16px;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.07);
        font-size: 14px;
        color: #CBD5E3;
    }
    .mobile-cards-table td:last-child {
        border-bottom: 0;
    }
    .mobile-cards-table td::before {
        content: attr(data-label);
        color: var(--text-mute);
        font-weight: 600;
        font-size: 13px;
        letter-spacing: .02em;
    }
    .mobile-cards-table td.strong-cell::before {
        color: var(--accent);
    }
    .way-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .safety-media img {
        height: 300px;
    }
    .faq-toggle {
        padding: 17px;
    }
    .faq-answer-inner p {
        padding-left: 17px;
    }
    .cta-banner {
        grid-template-columns: 1fr;
        padding: 34px 26px;
        gap: 20px;
    }
    .cta-left h3 {
        font-size: 22px;
    }
    .cta-btn-box {
        align-items: stretch;
    }
    .cta-btn-box .btn {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 34px;
        padding-bottom: 32px;
    }
    .footer-col-title {
        margin-top: 0;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-meta-links {
        gap: 10px 16px;
    }
}
@media (max-width: 520px) {
    body {
        font-size: 15px;
    }
    .logo-name {
        font-size: 17px;
    }
    .logo-sub {
        display: none;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
        font-size: 16px;
    }
    .header-actions .header-login {
        display: none;
    }
    .header-download {
        padding: 9px 14px;
        font-size: 13px;
    }
    .category-hero h1 {
        font-size: 30px;
    }
    .step-item {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .step-num {
        font-size: 27px;
        margin-bottom: 4px;
    }
    .hero-anchors {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 8px;
        scrollbar-width: thin;
    }
    .anchor-pill {
        white-space: nowrap;
    }
    .way-grid {
        grid-template-columns: 1fr;
    }
    .cta-left h3 {
        font-size: 20px;
    }
    .faq-list {
        grid-template-columns: 1fr;
    }
    .faq-toggle {
        font-size: 15px;
    }
    .cta-banner {
        border-radius: 18px;
    }
    .footer-about > p {
        font-size: 13px;
    }
    .footer-bottom {
        font-size: 12px;
    }
}

/* roulang page: category4 */
:root{
  --bg:#0A0F1E;
  --bg-soft:#0D1326;
  --blue:#2563EB;
  --green:#22E07B;
  --gold:#FFB72C;
  --text:#E8EDF7;
  --text-weak:#8A97AD;
  --border-soft:rgba(255,255,255,.12);
  --panel-bg:rgba(255,255,255,.06);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 8px 24px rgba(0,0,0,.25);
  --shadow-hover:0 18px 40px rgba(37,99,235,.18);
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:DIN Alternate,"Rajdhani","Inter",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:15px;
  line-height:1.8;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.brand-logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:42px;height:42px;flex:none;
  background:linear-gradient(145deg,#2563EB,#1552c4);
  border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 4px 18px rgba(37,99,235,.5),0 4px 12px rgba(34,224,123,.15),inset 0 1px 0 rgba(255,255,255,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:21px;font-weight:800;letter-spacing:.5px}
.brand-text small{font-size:11px;color:var(--text-weak);letter-spacing:2px;margin-top:3px}

.site-header{
  position:sticky;top:0;z-index:500;
  background:rgba(10,15,30,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transition:box-shadow .3s,background .3s;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-header.is-scrolled{box-shadow:0 8px 34px rgba(0,0,0,.42),inset 0 1px 0 rgba(37,99,235,.08)}
.header-top-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:18px}
.top-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;transition:all .25s;
  background:transparent;border:1px solid var(--border-soft);
}
.btn-sm{height:38px;padding:0 18px;font-size:13px}
.btn.primary{
  background:linear-gradient(135deg,#3B82F6,#1D4ED8);
  border:none;height:60px;padding:0 34px;font-size:16px;color:#fff;
  box-shadow:0 0 0 4px rgba(37,99,235,.25),0 8px 24px rgba(37,99,235,.3);
}
.btn.primary:hover{box-shadow:0 0 0 4px rgba(37,99,235,.28),0 14px 34px rgba(37,99,235,.4);transform:translateY(-2px)}
.btn.primary.green{
  background:linear-gradient(135deg,#2ff58c,#16b96b);
  color:#051208;
  box-shadow:0 0 0 4px rgba(34,224,123,.18),0 8px 24px rgba(34,224,123,.22);
}
.btn.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:var(--text)}
.btn.btn-ghost:hover{background:rgba(37,99,235,.22);border-color:rgba(59,130,246,.5);transform:translateY(-1px)}
.btn.btn-outline{border-color:rgba(255,255,255,.28);color:#fff}
.btn.btn-outline:hover{border-color:var(--green);color:var(--green)}
.btn.line-cta{border-color:rgba(255,255,255,.22);color:var(--text);background:transparent}
.btn.line-cta:hover{border-color:var(--blue);color:#fff}
.header-bottom-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:14px}
.channel-nav{display:flex;align-items:center;gap:6px}
.channel-nav a{
  position:relative;padding:8px 15px;font-size:14px;color:#C5CEE0;
  border-radius:10px;transition:color .2s;
}
.channel-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--green);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.channel-nav a:hover{color:#fff}
.channel-nav a:hover::after{transform:scaleX(1)}
.channel-nav a.active{color:#fff;background:rgba(37,99,235,.14)}
.channel-nav a.active::after{transform:scaleX(1)}
.head-search{
  display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:0 16px;height:38px;
  flex:0 1 240px;transition:border-color .2s;
}
.head-search:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.head-search input{background:transparent;border:none;outline:none;color:var(--text);width:100%;font-size:13px}
.head-search .fa-magnifying-glass{color:var(--text-weak)}
.trend-links{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-weak);white-space:nowrap}
.trend-links a{color:#9FB0C7}
.trend-links a:hover{color:var(--green)}
.menu-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;font-size:20px}

/* ====== category hero ====== */
.category-hero{
  position:relative;overflow:hidden;padding:76px 0 64px;
}
.safety-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp'),radial-gradient(circle at 20% 15%,rgba(37,99,235,.24),transparent 46%);
  background-size:cover;background-position:center;
  opacity:.38;
}
.category-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,#0A0F1E 40%,rgba(10,15,30,.6) 76%,rgba(10,15,30,.2));
}
.safety-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:13px;color:#7B8B9F;margin-bottom:26px;display:flex;align-items:center;gap:9px}
.breadcrumb i{color:#52769a;font-size:10px}
.breadcrumb a:hover{color:var(--green)}
.safety-hero-main h1{
  font-size:42px;font-weight:800;line-height:1.3;letter-spacing:1px;
  margin-bottom:14px;
}
.safety-hero-main h1 span{color:var(--green)}
.safety-hero-desc{
  max-width:760px;font-size:15px;color:#B9C5D8;line-height:1.9;margin-bottom:26px;
}
.hero-anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:7px 17px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:999px;font-size:13px;color:#CBD5E1;transition:all .2s;
}
.chip:hover{background:rgba(37,99,235,.2);border-color:rgba(37,99,235,.5);color:#fff}
.safety-hero-extra{
  display:flex;align-items:flex-start;gap:16px;margin-top:38px;flex-wrap:wrap;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:18px 20px;max-width:760px;
  backdrop-filter:blur(8px);
}
.safety-hero-extra i.fa-shield-halved{color:var(--green);font-size:24px}
.safety-hero-extra .extra-title{font-size:15px;color:#fff;font-weight:700}
.safety-hero-extra .extra-sub{font-size:13px;color:var(--text-weak)}

/* section */
.section-block{padding:90px 4px}
.section-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.block-title-wrap{display:flex;align-items:center;gap:14px}
.block-title-line{width:4px;height:28px;background:var(--green);border-radius:3px;box-shadow:0 0 10px rgba(34,224,123,.45)}
.block-title{font-size:28px;font-weight:700;line-height:1.5}
.block-sub{font-size:14px;color:var(--text-weak);margin-top:6px}

.skip-background{background:linear-gradient(180deg,rgba(13,19,38,.4),rgba(10,15,30,.6))}

/* safe split */
.safe-split{
  display:grid;grid-template-columns:5fr 6fr;gap:28px;align-items:start;
}
.glass-card{
  background:var(--panel-bg);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.18);
  border-radius:var(--radius-lg);
}
.tips-card{padding:26px}
.card-title{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700}
.card-title i{color:var(--green)}
.tips-list{margin-top:22px;display:flex;flex-direction:column;gap:18px}
.tip-item{display:flex;gap:12px}
.tip-icon{
  width:34px;height:34px;flex:none;background:rgba(37,99,235,.14);
  border:1px solid rgba(37,99,235,.32);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:#6ea8ff;font-size:14px;
}
.tip-head{font-size:15px;font-weight:700;color:#fff}
.tip-text{font-size:13px;color:var(--text-weak);line-height:1.7}
.fraud-wrap .glass-card{padding:0;overflow:hidden}
.fraud-head{display:flex;justify-content:space-between;align-items:center;padding:24px 26px 14px}
.fraud-head h3{font-size:19px;font-weight:700}
.fraud-count{font-size:12px;color:var(--text-weak)}
.fraud-item{padding:17px 26px;border-top:1px solid rgba(255,255,255,.08)}
.fraud-item button{
  width:100%;display:flex;align-items:flex-start;text-align:left;gap:14px;padding:0;
}
.fraud-index{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--gold);
  -webkit-text-stroke:.5px rgba(255,183,44,.3);
}
.fraud-body{flex:1}
.fraud-title{color:#F1F6FF;font-weight:700;font-size:15px;line-height:1.5}
.fraud-summary{color:var(--text-weak);font-size:13px;margin-top:4px}
.fraud-arrow{color:var(--text-weak);transition:transform .3s;font-size:14px;margin-top:6px}
.fraud-detail{
  display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease;
}
.fraud-detail>div{overflow:hidden}
.fraud-detail.open{grid-template-rows:1fr}
.fraud-item.open .fraud-arrow{transform:rotate(180deg)}
.fraud-detail-inner{padding:14px 8px 6px 54px;font-size:13px;color:#aebbd0}

/* official identify section */
.identify-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
.official-visual-card{
  position:relative;background:var(--panel-bg);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-lg);padding:28px;overflow:hidden;
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.18);
}
.official-visual-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(37,99,235,.12),transparent 30%);
  pointer-events:none;
}
.browser-frame{background:rgba(255,255,255,.04);border-radius:14px;border:1px solid rgba(255,255,255,.1);overflow:hidden}
.browser-top{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.07);padding:10px 14px}
.browser-dot{width:7px;height:7px;border-radius:50%;background:#ff5f57}
.browser-dot:nth-child(2){background:#febc2e}
.browser-dot:nth-child(3){background:#28c840}
.browser-url{
  margin-left:12px;font-size:12px;color:#98A6B8;background:rgba(255,255,255,.05);
  border-radius:8px;padding:4px 14px;font-family:var(--font-num);letter-spacing:.4px;
}
.official-page{display:flex;gap:14px;padding:20px 18px}
.official-page-logo{width:58px;height:58px;flex:none;border-radius:14px}
.official-page-logo img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.official-page-label{font-size:16px;color:#fff;font-weight:700}
.official-tag{display:inline-block;margin-top:6px;font-size:11px;color:var(--green);background:rgba(34,224,123,.09);border:1px solid rgba(34,224,123,.2);border-radius:999px;padding:2px 10px}
.identity-badges{display:inline-flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.identity-badges span{
  font-size:12px;padding:4px 12px;border-radius:8px;background:rgba(37,99,235,.15);
  border:1px solid rgba(37,99,235,.35);color:#8FBBFF;
}
.identify-points{display:flex;flex-direction:column;gap:16px}
.identify-point{
  background:var(--panel-bg);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1);
  transition:border-color .25s;
}
.identify-point:hover{border-color:rgba(34,224,123,.35)}
.identify-point .num{
  font-family:var(--font-num);display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:10px;background:rgba(34,224,123,.12);
  border:1px solid rgba(34,224,123,.3);color:var(--green);font-weight:700;
}
.identify-point h4{font-size:15px;color:#fff;font-weight:700}
.identify-point p{font-size:13px;color:var(--text-weak);margin-top:6px}
.mono-lite{font-family:var(--font-num);color:#9BE8F5;font-size:13px;background:rgba(255,255,255,.04);border-radius:6px;padding:2px 8px}

/* self check */
.self-check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.check-card{
  border-radius:16px;background:var(--panel-bg);border:1px solid rgba(255,255,255,.12);
  padding:24px 20px;text-align:center;position:relative;
  transition:all .25s;
}
.check-card:hover{transform:translateY(-4px);border-color:rgba(34,224,123,.35);box-shadow:var(--shadow-hover)}
.check-num{
  position:absolute;top:12px;right:16px;font-family:var(--font-num);font-size:32px;
  color:rgba(255,255,255,.08);font-weight:700;
}
.check-icon{
  width:48px;height:48px;margin:0 auto 14px;background:linear-gradient(145deg,rgba(37,99,235,.36),rgba(37,99,235,.12));
  border-radius:14px;display:flex;align-items:center;justify-content:center;color:#7fbcff;font-size:20px;
  border:1px solid rgba(37,99,235,.35);
}
.check-card h4{font-size:16px;font-weight:700}
.check-text{font-size:13px;color:var(--text-weak);margin-top:10px;line-height:1.7}

/* faq */
.faq-wrap{max-width:850px;margin:0 auto}
.faq-item{background:var(--panel-bg);border:1px solid rgba(255,255,255,.12);border-radius:16px;margin-bottom:12px;overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);transition:border-color .25s}
.faq-item.open{border-color:rgba(37,99,235,.4)}
.faq-question{
  width:100%;display:flex;align-items:center;gap:14px;padding:20px 24px;
}
.faq-q-icon{width:32px;height:32px;flex:none;display:flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(37,99,235,.18);color:#7CB8FF;font-size:14px}
.faq-q-text{flex:1;font-size:16px;font-weight:600;text-align:left}
.faq-arrow{color:var(--text-weak);transition:transform .3s}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--green)}
.faq-answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s ease}
.faq-answer>div{overflow:hidden}
.faq-item.open .faq-answer{grid-template-rows:1fr}
.faq-answer-inner{padding:0 24px 22px 70px;color:#ADB9CD;font-size:14px;line-height:1.9}

/* warning band */
.warning-callout{
  background:rgba(255,247,230,.04);border:1px solid rgba(255,183,44,.28);
  border-radius:20px;padding:35px 38px;position:relative;overflow:hidden;
  backdrop-filter:blur(12px);
}
.warning-callout::before{
  content:"";position:absolute;width:320px;height:320px;right:-100px;top:-100px;
  background:radial-gradient(circle,rgba(255,183,44,.16),transparent 65%);
}
.warning-flex{display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;z-index:2;flex-wrap:wrap}
.warning-main{display:flex;gap:24px;flex:1;min-width:300px}
.warning-icon{
  width:58px;height:58px;flex:none;border-radius:16px;background:rgba(255,183,44,.14);
  border:1px solid rgba(255,183,44,.35);display:flex;align-items:center;justify-content:center;color:var(--gold);font-size:27px;
}
.warning-main h3{font-size:20px;font-weight:800;color:#fff}
.warning-main p{font-size:13px;color:#B0BCCC;margin-top:8px;max-width:680px}

/* site footer */
.site-footer{
  border-top:1px solid rgba(255,255,255,.09);
  background:linear-gradient(180deg,rgba(10,15,30,.8),#080c17);
  padding:54px 0 26px;margin-top:70px;
}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-icon{background:var(--blue);width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:12px;font-size:14px;color:#fff}
.footer-brand-name{font-size:18px;font-weight:700;color:#fff}
.site-footer p{color:#90A1B7;font-size:13px;line-height:1.8}
.footer-grid .social-icon{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;
  font-size:14px;color:#b6c2d3;transition:all .2s;
}
.footer-grid .social-icon:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-col-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13px;color:#9AA8BD;transition:color .2s,padding-left .2s}
.footer-links a:hover{color:var(--green);padding-left:5px}
.footer-qr{width:132px;height:132px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.qr-svg-small{width:100%;height:100%}
.footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.footer-copy{font-size:12px;color:#7f8ca1}
.footer-bottom-links{display:flex;gap:20px;font-size:12px;color:#8B9CB3}
.footer-bottom-links a:hover{color:var(--green)}

/* media */
@media (max-width:1280px){
  .self-check-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1024px){
  .safe-split{grid-template-columns:1fr}
  .identify-grid{grid-template-columns:1fr}
  .self-check-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 22px}
  .section-block{padding:64px 4px}
  .block-title{font-size:24px}
  .menu-toggle{display:flex}
  .top-actions{display:none}
  .header-bottom{position:fixed;padding-bottom:0;background:rgba(10,15,30,.96);top:72px;left:0;right:0;bottom:auto;transform:translateX(-110%);transition:transform .3s;box-shadow:0 18px 34px rgba(0,0,0,.4)}
  .site-header.mobile-open .header-bottom{transform:translateX(0)}
  .header-bottom-row{flex-direction:column;align-items:stretch;padding-bottom:20px}
  .channel-nav{flex-direction:column;align-items:stretch;gap:2px;padding:8px 18px;}
  .channel-nav a{padding:13px 14px;font-size:15px}
  .head-search{order:3;margin:4px 22px;}
  .trend-links{padding:0 24px 8px;flex-wrap:wrap}
  .safety-hero-main h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-header.hollow{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .safety-hero-main h1{font-size:28px}
  .brand-text strong{font-size:17px}
  .logo-mark{width:36px;height:36px;font-size:15px}
  .safety-hero-desc{font-size:14px}
  .hero-cat-sub {display:flex;font-size:12px}
  .self-check-grid{grid-template-columns:1fr}
  .warning-callout{padding:26px 22px}
  .warning-main{flex-direction:column;gap:12px}
  .btn.primary{padding:0 24px;height:52px;font-size:15px}
  .btn.line-cta{padding:0 20px;height:52px;font-size:15px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root {
            --bg-root: #0A0F1E;
            --bg-soft: #0D1326;
            --bg-float: #101A31;
            --primary: #2563EB;
            --primary-glow: rgba(37, 99, 235, .24);
            --accent: #22E07B;
            --accent-dark: #16C96A;
            --warning: #FFB72C;
            --risk: #FF4D4F;
            --text: #E8EDF7;
            --text-mid: #B8C4DB;
            --text-weak: #7E8DA8;
            --hl: rgba(255, 255, 255, .18);
            --border: rgba(255, 255, 255, .12);
            --border-light: rgba(255, 255, 255, .22);
            --glass: rgba(255, 255, 255, .055);
            --glass-deep: rgba(255, 255, 255, .028);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, .25);
            --shadow-hover: 0 18px 40px rgba(37, 99, 235, .18);
            --radius: 16px;
            --radius-lg: 28px;
            --container: 1240px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            --font-display: "Inter", "DIN Alternate", "Rajdhani", var(--font-sans);
            --sidebar: 360px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.75;
            color: var(--text);
            background:
                linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px),
                linear-gradient(180deg, var(--bg-soft) 0%, var(--bg-root) 100%);
            background-size: 42px 42px, 42px 42px, 100% 100%;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background: radial-gradient(ellipse at 68% 0%, rgba(34, 224, 123, .06), transparent 34%), radial-gradient(ellipse at 15% 42%, rgba(37, 99, 235, .08), transparent 42%);
            z-index: -1;
        }
        .container {
            width: min(var(--container), 100% - 48px);
            margin-inline: auto;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border .2s ease, box-shadow .2s ease, transform .2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: 0;
            cursor: pointer;
            color: inherit;
            background: transparent;
        }
        input,
        select,
        textarea,
        button {
            font-family: inherit;
            font-size: 14px;
            outline: none;
        }
        ::selection {
            background: rgba(34, 224, 123, .22);
            color: #fff;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .section {
            padding: 96px 0;
            position: relative;
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }
        .section-heading.left {
            justify-content: flex-start;
            align-items: flex-start;
            flex-direction: column;
            gap: 16px;
        }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            letter-spacing: .18em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
        }
        .section-kicker::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(34, 224, 123, .75);
        }
        .section-heading h2,
        .section-title {
            font-family: var(--font-display);
            font-size: 28px;
            line-height: 1.25;
            color: var(--text);
            font-weight: 600;
            letter-spacing: .01em;
        }
        .section-sub {
            color: var(--text-mid);
            font-size: 15px;
            max-width: 720px;
        }
        .text-link {
            color: var(--accent);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .text-link i {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .text-link:hover {
            color: #8AF6C2;
        }
        .text-link:hover i {
            transform: translateX(3px);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 99;
            background: rgba(10, 15, 30, .88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(37, 99, 235, .16);
            box-shadow: 0 10px 32px rgba(0, 0, 0, .18);
        }
        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(37, 99, 235, .6), rgba(34, 224, 123, .4), transparent);
            opacity: .5;
            pointer-events: none;
        }
        .header-top {
            min-height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-block: 9px;
            transition: min-height .28s ease, padding .28s ease;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: var(--text);
            flex-shrink: 0;
        }
        .brand:hover {
            color: #fff;
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 15px;
            display: grid;
            place-items: center;
            background: linear-gradient(145deg, rgba(37, 99, 235, .8), rgba(16, 40, 82, .5));
            border: 1px solid rgba(255, 255, 255, .22);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 8px 26px rgba(37, 99, 235, .24);
            font-size: 22px;
            color: #fff;
        }
        .brand-icon i {
            filter: drop-shadow(0 0 8px rgba(34, 224, 123, .45));
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }
        .brand-name {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .01em;
            white-space: nowrap;
        }
        .brand-sub {
            color: var(--text-weak);
            font-size: 11px;
            letter-spacing: .14em;
            text-transform: uppercase;
            font-family: var(--font-display);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 42px;
            padding: 0 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            border: 1px solid transparent;
            transition: all .22s ease;
            white-space: nowrap;
        }
        .btn i {
            font-size: 13px;
        }
        .btn-primary {
            background: linear-gradient(135deg, rgba(37, 99, 235, .95) 0%, #1D4ED8 100%);
            color: #fff;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .16), 0 8px 18px rgba(37, 99, 235, .25);
        }
        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            background: linear-gradient(135deg, #3B82F6, var(--primary));
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .22), 0 18px 30px rgba(37, 99, 235, .25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .22);
        }
        .btn-soft {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .15);
            color: var(--text);
        }
        .btn-soft:hover {
            color: #fff;
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .24);
        }
        .btn-white {
            background: #fff;
            color: #0A0F1E;
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(34, 224, 123, .65);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: rgba(34, 224, 123, .09);
            color: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(34, 224, 123, .1);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid rgba(255, 255, 255, .12);
            color: #fff;
            align-items: center;
            justify-content: center;
        }
        .header-nav-slot {
            border-top: 1px solid rgba(255, 255, 255, .07);
            min-height: 46px;
            display: flex;
            align-items: center;
            gap: 14px;
            padding-block: 6px;
            transition: opacity .2s ease, transform .2s ease;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            overflow-x: auto;
            scrollbar-width: none;
            flex: 1;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 2px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
        }
        .channel-nav a i {
            color: var(--text-weak);
            font-size: 14px;
        }
        .channel-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .channel-nav a.active {
            color: #fff;
            border-bottom-color: var(--accent);
            text-shadow: 0 0 10px rgba(34, 224, 123, .36);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 9px;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 999px;
            padding: 5px 6px 5px 15px;
            min-width: 200px;
            transition: border .2s ease, box-shadow .2s ease;
            flex-shrink: 0;
        }
        .header-search:focus-within {
            border-color: rgba(37, 99, 235, .55);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .13);
        }
        .header-search i {
            font-size: 13px;
            color: var(--text-weak);
        }
        .header-search input {
            border: 0;
            background: transparent;
            color: var(--text);
            font-size: 13px;
            flex: 1;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: var(--text-weak);
        }
        .header-search button {
            height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), #1D4ED8);
            font-size: 12px;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .header-hot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-weak);
            white-space: nowrap;
            flex-shrink: 0;
            padding-left: 14px;
            border-left: 1px solid rgba(255, 255, 255, .08);
        }
        .header-hot a {
            color: var(--text-weak);
            font-weight: 400;
            border-bottom: 1px solid transparent;
        }
        .header-hot a:hover {
            color: var(--warning);
            border-bottom-color: rgba(255, 183, 44, .4);
        }
        .mobile-hot {
            display: none;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 78px 0 76px;
            overflow: hidden;
        }
        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            z-index: -2;
            background-image: linear-gradient(180deg, rgba(10, 15, 30, .84), rgba(10, 15, 30, .92)), url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center 22%;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(105deg, rgba(10, 15, 30, 0) 30%, rgba(10, 15, 30, .7) 68%, rgba(57, 118, 216, .2) 100%);
            pointer-events: none;
        }
        .crumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 38px;
        }
        .crumb a {
            color: var(--text-weak);
        }
        .crumb a:hover {
            color: var(--accent);
        }
        .crumb span+i,
        .crumb i {
            font-size: 10px;
            color: var(--text-weak);
            opacity: .65;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(34, 224, 123, .12);
            border: 1px solid rgba(34, 224, 123, .24);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
        }
        .hero-eyebrow::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 0 0 rgba(34, 224, 123, .48);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(34, 224, 123, .4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(34, 224, 123, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(34, 224, 123, 0);
            }
        }
        .hero-update {
            background: rgba(255, 183, 44, .1);
            border-color: rgba(255, 183, 44, .28);
            color: var(--warning);
            margin-left: 6px;
        }
        .hero-update::before {
            background: var(--warning);
            box-shadow: 0 0 0 0 rgba(255, 183, 44, .4);
            animation-name: pulse;
        }
        .category-hero h1 {
            font-size: 48px;
            line-height: 1.15;
            color: #fff;
            font-weight: 700;
            margin: 22px 0 18px;
            max-width: 900px;
            letter-spacing: .01em;
            text-shadow: 0 10px 30px rgba(0, 0, 0, .28);
        }
        .hero-desc {
            max-width: 760px;
            color: var(--text-mid);
            font-size: 16px;
            line-height: 1.82;
            margin-bottom: 30px;
        }
        .hero-anchor {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-anchor .btn {
            min-height: 50px;
            padding-inline: 24px;
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .24);
            color: var(--text);
        }
        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 224, 123, .06);
        }
        .hero-specs {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 44px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 28px;
        }
        .hero-spec {
            display: flex;
            gap: 10px;
            align-items: center;
            color: var(--text-mid);
            font-size: 13px;
        }
        .hero-spec i {
            color: var(--accent);
            font-size: 16px;
        }
        .hero-spec b {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-display);
        }

        /* Timeline */
        .category-main {
            padding: 76px 0 30px;
        }
        .glass-panel {
            background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .035));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .12), var(--shadow-card);
            backdrop-filter: blur(6px);
        }
        .filter-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
        }
        .f-chip {
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(255, 255, 255, .02);
            color: var(--text-mid);
            font-size: 13px;
            font-weight: 500;
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .f-chip::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 2px;
            background: var(--text-weak);
            opacity: .5;
        }
        .f-chip:hover {
            border-color: rgba(34, 224, 123, .32);
            color: #fff;
        }
        .f-chip.active {
            background: rgba(34, 224, 123, .12);
            border-color: rgba(34, 224, 123, .6);
            color: var(--accent);
        }
        .f-chip.active::before {
            background: var(--accent);
            opacity: 1;
            box-shadow: 0 0 8px var(--accent);
        }
        .timeline-box {
            position: relative;
        }
        .timeline-box::before {
            content: "";
            position: absolute;
            left: 250px;
            top: 22px;
            bottom: 22px;
            width: 1px;
            background: linear-gradient(180deg, transparent, rgba(37, 99, 235, .48) 8%, rgba(34, 224, 123, .42) 86%, transparent);
        }
        .tl-item {
            position: relative;
            display: flex;
            gap: 20px;
            margin-bottom: 26px;
            scroll-margin: 100px;
        }
        .tl-date {
            width: 88px;
            min-width: 88px;
            text-align: right;
            padding-top: 8px;
        }
        .tl-date b {
            display: block;
            font-family: var(--font-display);
            font-size: 31px;
            line-height: 1;
            color: var(--accent);
            text-shadow: 0 0 18px rgba(34, 224, 123, .28);
            font-weight: 700;
        }
        .tl-date span {
            font-size: 13px;
            color: var(--text-weak);
            letter-spacing: .04em;
            margin-top: 3px;
            display: block;
        }
        .tl-card {
            flex: 1;
            padding: 22px 25px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(16, 23, 41, .63), rgba(255, 255, 255, .045));
            border: 1px solid rgba(255, 255, 255, .1);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 10px 28px rgba(0, 0, 0, .12);
            transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }
        .tl-card:hover {
            transform: translateY(-3px);
            border-color: rgba(37, 99, 235, .38);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 16px 38px rgba(37, 99, 235, .13);
        }
        .tl-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }
        .tag {
            border: 1px solid rgba(255, 255, 255, .13);
            background: rgba(255, 255, 255, .04);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            color: var(--text-mid);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .tag-cat {
            border: 1px solid rgba(37, 99, 235, .33);
            background: rgba(37, 99, 235, .08);
            color: #9CC0FF;
        }
        .tag-warn {
            border-color: rgba(255, 183, 44, .35);
            background: rgba(255, 183, 44, .08);
            color: var(--warning);
        }
        .tag-accent {
            border-color: rgba(34, 224, 123, .35);
            background: rgba(34, 224, 123, .08);
            color: var(--accent);
        }
        .tl-meta .source {
            font-size: 12px;
            color: var(--text-weak);
        }
        .tl-card h3 {
            font-size: 18px;
            line-height: 1.4;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }
        .tl-card h3 a {
            color: #fff;
        }
        .tl-card h3 a:hover {
            color: var(--accent);
        }
        .tl-card p {
            color: var(--text-mid);
            font-size: 14.5px;
            margin-bottom: 12px;
        }
        .tl-more {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #74A6FF;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            background: none;
        }
        .tl-more i {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .tl-card.open .tl-more i {
            transform: rotate(180deg);
        }
        .tl-extra {
            display: none;
            margin-top: 14px;
            border-left: 2px solid var(--accent);
            background: rgba(34, 224, 123, .05);
            padding: 14px 16px;
            border-radius: 0 14px 14px 0;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-mid);
        }
        .tl-card.open .tl-extra {
            display: block;
        }
        .timeline-note {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .02);
            border: 1px dashed rgba(255, 255, 255, .15);
            border-radius: 14px;
            padding: 14px 18px;
            color: var(--text-weak);
            font-size: 13px;
            margin-top: 24px;
        }
        .timeline-note i {
            color: var(--text-weak);
        }

        /* Pagination */
        .archive-pager {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 48px;
        }
        .arrow-btn {
            min-height: 44px;
            padding: 0 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 999px;
            background: rgba(255, 255, 255, .035);
            color: var(--text-mid);
        }
        .arrow-btn:hover:not(.disabled) {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(34, 224, 123, .06);
        }
        .arrow-btn.disabled {
            opacity: .4;
            cursor: not-allowed;
        }
        .page-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            font-family: var(--font-display);
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, .12);
            color: var(--text-mid);
            background: rgba(255, 255, 255, .02);
        }
        .page-num.active {
            background: var(--primary);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .16);
        }
        .page-power {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-weak);
            font-size: 13px;
        }

        /* Topic Cards */
        .topic-section {
            padding-top: 94px;
        }
        .topic-section .section-heading::before {
            display: none;
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .topic-card {
            position: relative;
            display: flex;
            align-items: flex-end;
            border-radius: 18px;
            min-height: 330px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .14);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14), var(--shadow-card);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            background-size: cover;
            background-position: center 30%;
            background-color: #16203A;
        }
        .topic-card-t1 {
            background-image: linear-gradient(180deg, rgba(10, 15, 30, .08) 0%, rgba(10, 15, 30, .91) 100%), url("/assets/images/coverpic/cover-2.webp");
        }
        .topic-card-t2 {
            background-image: linear-gradient(180deg, rgba(10, 15, 30, .12) 0%, rgba(10, 15, 30, .88) 100%), url("/assets/images/coverpic/cover-4.webp");
        }
        .topic-card-t3 {
            background-image: linear-gradient(180deg, rgba(10, 15, 30, .14) 0%, rgba(10, 15, 30, .9) 100%), url("/assets/images/coverpic/cover-6.webp");
        }
        .topic-card-t4 {
            background-image: linear-gradient(180deg, rgba(10, 15, 30, .1) 0%, rgba(10, 15, 30, .92) 100%), url("/assets/images/coverpic/cover-7.png");
        }
        .topic-card:hover {
            transform: translateY(-5px);
            border-color: rgba(34, 224, 123, .4);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 22px 42px rgba(0, 0, 0, .35);
        }
        .topic-card-body {
            width: 100%;
            padding: 28px 22px 22px;
            backdrop-filter: blur(2px);
        }
        .topic-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: #B8F4D5;
            background: rgba(34, 224, 123, .12);
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid rgba(34, 224, 123, .25);
            margin-bottom: 12px;
        }
        .topic-card h3 {
            color: #fff;
            font-size: 19px;
            line-height: 1.42;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .topic-card p {
            color: rgba(238, 241, 249, .74);
            font-size: 13px;
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .topic-enter {
            color: #fff;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-enter i {
            transition: transform .2s ease;
            font-size: 12px;
        }
        .topic-card:hover .topic-enter {
            color: var(--accent);
        }
        .topic-card:hover .topic-enter i {
            transform: translateX(4px);
        }

        /* Subscribe / CTA banner */
        .subscribe-box {
            position: relative;
            padding: 46px 46px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            border-radius: 22px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), var(--shadow-card);
            background-image: linear-gradient(115deg, rgba(16, 26, 50, .9), rgba(12, 21, 42, .69)), url("/assets/images/backpic/back-3.webp");
            background-position: right center;
            background-size: cover;
        }
        .subscribe-box::after {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            right: -50px;
            top: -70px;
            background: radial-gradient(circle, rgba(37, 99, 235, .3), transparent 70%);
            pointer-events: none;
        }
        .subscribe-copy {
            max-width: 720px;
            position: relative;
            z-index: 1;
        }
        .subscribe-copy span {
            color: var(--accent);
            font-size: 12px;
            letter-spacing: .13em;
            font-weight: 600;
            display: block;
            margin-bottom: 8px;
        }
        .subscribe-copy h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .subscribe-copy p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.8;
        }
        .subscribe-action {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .subscribe-action .btn {
            min-height: 52px;
            padding-inline: 25px;
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 12, 25, .95);
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 58px;
            margin-top: 90px;
            position: relative;
        }
        .site-footer::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: -1px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(37, 99, 235, .52), transparent 40%, rgba(34, 224, 123, .4), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
            gap: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand:hover {
            color: #fff;
        }
        .footer-brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(140deg, #2563EB, #152B52);
            display: grid;
            place-items: center;
            font-size: 20px;
            border: 1px solid rgba(255, 255, 255, .18);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
        }
        .footer-brand-name {
            display: block;
            font-weight: 700;
            font-size: 18px;
        }
        .footer-brand-en {
            display: block;
            font-size: 11px;
            letter-spacing: .17em;
            color: var(--text-weak);
        }
        .footer-about p {
            color: var(--text-weak);
            font-size: 13.5px;
            line-height: 1.9;
            max-width: 430px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }
        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            display: grid;
            place-items: center;
            color: var(--text-mid);
            font-size: 15px;
            transition: all .22s ease;
            cursor: default;
        }
        .social-icon:hover {
            color: var(--accent);
            border-color: rgba(34, 224, 123, .36);
            background: rgba(34, 224, 123, .06);
            transform: translateY(-2px);
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 17px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col-title::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 2px;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(34, 224, 123, .48);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-weak);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            width: fit-content;
        }
        .footer-links a::before {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 10px;
            opacity: .55;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 3px;
        }
        .footer-links a:hover::before {
            color: var(--accent);
            opacity: 1;
        }
        .footer-qr {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 12px;
            padding: 13px;
            gap: 16px;
            backdrop-filter: blur(8px);
        }
        .qr-box {
            width: 82px;
            height: 82px;
            border-radius: 9px;
            background: #fff;
            padding: 5px;
            flex-shrink: 0;
        }
        .qr-box svg {
            width: 100%;
            height: 100%;
            display: block;
        }
        .qr-tip {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-mid);
        }
        .qr-tip strong {
            color: #fff;
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 26px 0 22px;
            border-top: 1px solid rgba(255, 255, 255, .07);
            margin-top: 44px;
            font-size: 12.5px;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-weak);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .tech-note {
            background: rgba(255, 255, 255, .025);
            border: 1px solid rgba(255, 255, 255, .07);
            border-radius: 8px;
            margin: 8px 0 4px;
            padding: .5px 10px;
            display: inline-flex;
            color: var(--text-weak);
            text-align: left;
            flex-wrap: wrap;
            gap: 4px;
        }

        /* Responsive */
        @media (min-width: 1200px) {
            .topic-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (max-width: 1024px) {
            .header-nav-slot {
                gap: 10px;
                flex-wrap: wrap;
            }
            .channel-nav {
                gap: 14px;
            }
            .header-search {
                min-width: 150px;
            }
            .header-hot {
                display: none;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .tl-date {
                width: 70px;
                min-width: 70px;
            }
            .timeline-box::before {
                left: 228px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 820px) {
            .section {
                padding: 64px 0;
            }
            .header-top {
                min-height: 62px;
            }
            .header-actions .btn-primary {
                padding-inline: 15px;
            }
            .header-actions .btn-soft {
                display: none;
            }
            .menu-toggle {
                display: flex;
                margin-left: 4px;
            }
            .header-nav-slot {
                display: none;
                padding: 14px 0 18px;
                min-height: 0;
            }
            .site-header.nav-open .header-nav-slot {
                display: flex;
                flex-direction: column;
                align-items: stretch;
            }
            .site-header.nav-open .channel-nav {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }
            .site-header.nav-open .channel-nav a {
                justify-content: flex-start;
                padding: 12px 6px;
                border-bottom: 0;
                background: rgba(255, 255, 255, .035);
                padding-left: 15px;
                border-radius: 12px;
            }
            .site-header.nav-open .header-search {
                width: 100%;
                margin-top: 12px;
                min-width: 0;
            }
            .mobile-hot {
                display: flex;
                gap: 14px;
                padding: 4px 2px 0;
                color: var(--text-weak);
                font-size: 13px;
                flex-wrap: wrap;
            }
            .category-hero {
                padding: 62px 0 60px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-specs {
                gap: 16px;
                margin-top: 26px;
                padding-top: 18px;
            }
            .timeline-box::before {
                display: none;
            }
            .tl-item {
                flex-direction: column;
                gap: 6px;
            }
            .tl-date {
                display: flex;
                align-items: center;
                gap: 10px;
                text-align: left;
                width: auto;
            }
            .tl-date b {
                font-size: 22px;
            }
            .tl-date span {
                margin-top: 0;
            }
            .tl-card {
                margin-top: 4px;
                padding: 19px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .topic-card {
                min-height: 260px;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 30px 25px;
            }
            .subscribe-action {
                width: 100%;
            }
            .subscribe-action .btn {
                flex: 1;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 34px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                width: calc(100% - 32px);
            }
            .brand-name {
                font-size: 16px;
            }
            .brand-sub {
                font-size: 10px;
            }
            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: 19px;
                border-radius: 12px;
            }
            .btn-primary {
                padding-inline: 13px;
                font-size: 13px;
            }
            .category-hero h1 {
                font-size: 25px;
            }
            .section-heading h2,
            .subscribe-copy h2 {
                font-size: 23px;
            }
            .hero-anchor {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-anchor .btn {
                width: 100%;
            }
            .hero-specs {
                gap: 14px 10px;
                display: flex;
                flex-wrap: wrap;
                font-size: 13px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                min-height: 235px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-qr {
                flex-direction: column;
                align-items: flex-start;
            }
            .qr-box {
                width: 90px;
                height: 90px;
            }
            .archive-pager {
                flex-direction: row;
                justify-content: center;
            }
            .page-power {
                display: none;
            }
        }