/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#242b52;
  --ink-3:#0f1330;
  --gold:#ffb400;
  --gold-deep:#ff8a00;
  --cyan:#3ee6d1;
  --bg:#f4f5fb;
  --surface:#ffffff;
  --text:#1a1f3d;
  --muted:#5d6484;
  --line:#e3e6f2;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.12);
  --shadow-gold:0 10px 26px rgba(255,180,0,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button,input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.35;font-weight:800;letter-spacing:.2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(18,22,48,.95);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;padding:10px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffc94d,#ff8a00);color:#291a00;
  font-size:18px;font-weight:900;box-shadow:0 8px 20px rgba(255,138,0,.35);
}
.brand-text{font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.4px;display:block;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#96a0cc;letter-spacing:1.6px;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;color:#c6cce6;transition:background .2s,color .2s,transform .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{
  color:#231700;font-weight:800;
  background:linear-gradient(135deg,#ffce5c,#ffa41b);
  box-shadow:0 8px 18px rgba(255,164,27,.28);
}
.phase-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:#b6bde0;
  transition:border-color .2s,color .2s,background .2s;white-space:nowrap;
}
.chip:hover{border-color:rgba(255,180,0,.7);color:#fff;}
.chip--pre{color:#ffd479;border-color:rgba(255,180,0,.45);}
.chip--live{
  color:#08312a;font-weight:800;border-color:transparent;
  background:linear-gradient(135deg,#3ee6d1,#8bf7dd);
}
.chip--live i{width:6px;height:6px;border-radius:50%;background:#08312a;}
.chip--replay{color:#a8b6ff;border-color:rgba(130,150,255,.42);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:800;cursor:pointer;line-height:1.2;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn:focus-visible{outline:3px solid rgba(62,230,209,.75);outline-offset:3px;}
.btn-primary{background:linear-gradient(135deg,#ffce5c,#ff8a00);color:#2a1a00;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,154,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);}

/* ===== hero ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--ink-3) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(13,17,44,.97) 0%,rgba(26,31,61,.92) 46%,rgba(26,31,61,.6) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 82% 8%,rgba(255,180,0,.24),transparent 70%),
             radial-gradient(520px 300px at 10% 92%,rgba(62,230,209,.16),transparent 72%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;gap:48px;
  padding:70px 20px 76px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.6px;
  color:#ffe0a1;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
  padding:6px 14px;border-radius:999px;font-weight:700;
}
.hero h1{
  font-size:clamp(30px,4.3vw,46px);margin:18px 0 16px;letter-spacing:.5px;
  text-shadow:0 8px 30px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{font-size:16px;color:#c7cee8;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 34px;}
.hero-points li{display:flex;align-items:baseline;gap:8px;}
.hero-points strong{font-size:24px;color:var(--gold);letter-spacing:.5px;}
.hero-points span{font-size:13.5px;color:#a9b1d2;}

/* coupon wall */
.coupon-wall{display:grid;gap:14px;}
.coupon-main{
  position:relative;border-radius:var(--radius-lg);padding:26px 24px 22px;
  background:linear-gradient(160deg,#2b3360,#161b3a 78%);
  border:1px solid rgba(255,180,0,.42);
  box-shadow:0 26px 54px rgba(0,0,0,.42);
  overflow:hidden;
}
.coupon-main::after{
  content:"";position:absolute;inset:-40% -30% auto auto;width:240px;height:240px;
  background:radial-gradient(circle,rgba(255,180,0,.26),transparent 68%);
}
.coupon-tag{
  position:relative;display:inline-block;font-size:12px;letter-spacing:2px;font-weight:800;
  color:#2a1a00;background:linear-gradient(135deg,#ffd166,#ffa41b);
  padding:4px 12px;border-radius:999px;
}
.coupon-main h2{position:relative;font-size:26px;margin:14px 0 10px;color:#fff;}
.coupon-main p{position:relative;font-size:14.5px;color:#b9c1e0;margin-bottom:16px;}
.coupon-list{position:relative;display:flex;flex-wrap:wrap;gap:8px;padding-bottom:16px;border-bottom:1px dashed rgba(255,255,255,.18);}
.coupon-list li{
  font-size:12.5px;color:#ffd995;border:1px solid rgba(255,180,0,.32);
  background:rgba(255,180,0,.08);padding:3px 10px;border-radius:8px;
}
.coupon-foot{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;flex-wrap:wrap;}
.coupon-code{font-size:12.5px;color:#8f98c2;letter-spacing:1.2px;}
.coupon-mini-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.coupon-mini{
  display:block;border-radius:var(--radius);padding:16px 16px 18px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:transform .2s,border-color .2s,background .2s;
}
.coupon-mini:hover{transform:translateY(-3px);border-color:rgba(62,230,209,.55);background:rgba(62,230,209,.08);}
.mini-tag{display:inline-block;font-size:11px;letter-spacing:1.5px;color:#0a2f2a;background:var(--cyan);border-radius:6px;padding:2px 8px;font-weight:800;}
.coupon-mini strong{display:block;font-size:16px;color:#fff;margin:9px 0 5px;}
.coupon-mini em{font-style:normal;font-size:12.8px;color:#a6aed0;line-height:1.6;display:block;}

/* ===== section system ===== */
.section{padding:68px 0;}
.section--surface{background:var(--surface);}
.section--dark{background:var(--ink);color:#fff;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:#aeb6d6;}
.section--dark .eyebrow{color:#ffd78a;background:rgba(255,180,0,.16);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.7vw,31px);margin:10px 0 12px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
  color:#8a5c00;background:rgba(255,180,0,.16);padding:4px 13px;border-radius:999px;
}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap;}
.section-head--split .head-copy{max-width:720px;}

/* ===== grids & cards ===== */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d3d9ef;}
.card h3{font-size:17.5px;margin-bottom:9px;}
.card p{font-size:14.5px;color:var(--muted);}
.num-badge{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:900;color:#2a1a00;
  background:linear-gradient(140deg,#ffd166,#ffa41b);margin-bottom:14px;
}

/* sessions */
.session-card{position:relative;overflow:hidden;}
.session-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.session-status{font-size:12px;font-weight:800;padding:3px 11px;border-radius:999px;letter-spacing:.5px;}
.status-live{color:#08312a;background:linear-gradient(135deg,#3ee6d1,#93f8e0);}
.status-pre{color:#8a5c00;background:rgba(255,180,0,.2);}
.status-end{color:#7b83a8;background:#eef0f9;}
.session-card h3{font-size:17px;}
.session-time{font-size:13px;color:#8a90af;letter-spacing:.6px;margin-bottom:8px;display:block;}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-step{position:relative;padding-top:18px;}
.flow-step::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--gold),rgba(62,230,209,.85));
  opacity:.75;
}
.flow-step span{font-size:12.5px;font-weight:800;color:#8a5c00;letter-spacing:1.2px;}
.flow-step h3{font-size:16.5px;margin:8px 0 8px;}
.flow-step p{font-size:14px;color:var(--muted);}

/* tips */
.tip-card{display:flex;flex-direction:column;overflow:hidden;padding:0;}
.tip-media{aspect-ratio:16/9;overflow:hidden;background:#dfe3f3;}
.tip-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.tip-card:hover .tip-media img{transform:scale(1.05);}
.tip-body{padding:20px 22px 24px;}
.tip-body h3{font-size:17px;margin:10px 0 8px;}
.tip-body p{font-size:14.2px;color:var(--muted);}
.tip-body .tag{font-size:11.5px;letter-spacing:1.2px;font-weight:800;color:#0a6b5c;background:rgba(62,230,209,.18);padding:3px 9px;border-radius:6px;display:inline-block;}
.tip-card--plain{padding:24px;}
.tip-card--plain .tip-body{padding:0;}

/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);}
.matrix{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;}
.matrix th,.matrix td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.matrix thead th{background:#f6f7fd;font-size:13px;letter-spacing:.8px;color:#4a527a;font-weight:800;}
.matrix tbody tr:hover{background:#fafbff;}
.matrix tbody tr:last-child td{border-bottom:0;}
.matrix td:first-child{font-weight:800;color:var(--ink);}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{border-radius:var(--radius);padding:26px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);}
.compare-col.best{border-color:rgba(255,180,0,.55);background:linear-gradient(170deg,#fffdf5,#ffffff);box-shadow:0 16px 36px rgba(255,180,0,.14);}
.compare-col h3{font-size:17.5px;margin-bottom:14px;}
.compare-col li{position:relative;padding-left:24px;font-size:14.5px;color:var(--muted);margin-bottom:11px;}
.compare-col.best li{color:#41496e;}
.compare-col.best li::before{
  content:"";position:absolute;left:0;top:9px;width:11px;height:11px;border-radius:50%;
  background:linear-gradient(135deg,#ffd166,#ff9b00);
}
.compare-col li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:11px;border-radius:50%;background:#d9deef;}
.compare-note{margin-top:20px;font-size:14px;color:var(--muted);}

/* channel cards */
.channel-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.channel-media{aspect-ratio:16/10;overflow:hidden;background:#dfe3f3;}
.channel-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.channel-card:hover .channel-media img{transform:scale(1.06);}
.channel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-body h3{font-size:18px;}
.channel-body p{font-size:14.2px;color:var(--muted);flex:1;}
.channel-link{font-size:13.5px;font-weight:800;color:#a06b00;letter-spacing:.5px;}
.channel-card:hover .channel-link{color:#c98200;}

/* rank */
.rank-list{display:grid;gap:12px;}
.rank-item{
  display:flex;gap:18px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);}
.rank-no{
  flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:16px;color:#2a1a00;background:linear-gradient(140deg,#ffd166,#ffa41b);
}
.rank-main h3{font-size:16.5px;margin-bottom:5px;}
.rank-main p{font-size:14px;color:var(--muted);}
.rank-rate{margin-left:auto;font-size:13px;font-weight:800;color:#b26b00;white-space:nowrap;padding-top:6px;}

/* data board */
.board{
  background:linear-gradient(155deg,#222a55,#141936);color:#fff;
  border-radius:var(--radius-lg);padding:32px;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 22px 48px rgba(18,22,48,.28);
}
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px;}
.board-cell{border-left:3px solid var(--gold);padding-left:14px;}
.board-cell strong{display:block;font-size:27px;color:#ffd166;letter-spacing:.5px;}
.board-cell span{font-size:13px;color:#a9b1d2;}
.bar-row{display:grid;grid-template-columns:132px 1fr 56px;align-items:center;gap:14px;margin-bottom:14px;font-size:13.5px;color:#c3cbe7;}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#ffb400,#3ee6d1);}
.bar-value{text-align:right;color:#ffd166;font-weight:800;}

/* reviews */
.review-card p{font-size:14.6px;color:#454d73;margin-bottom:16px;}
.review-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px dashed var(--line);padding-top:13px;}
.review-name{font-size:13.5px;font-weight:800;color:var(--ink);}
.review-stars{color:var(--gold);letter-spacing:2px;font-size:13px;}
.review-note{font-size:12.5px;color:#8a90af;}

/* roadmap */
.roadmap{display:grid;gap:16px;}
.roadmap-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);}
.roadmap-top{display:flex;justify-content:space-between;gap:14px;align-items:baseline;margin-bottom:10px;}
.roadmap-top h3{font-size:16px;}
.roadmap-top span{font-size:13px;font-weight:800;color:#b26b00;}
.progress{height:9px;border-radius:999px;background:#eceffa;overflow:hidden;}
.progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffb400,#3ee6d1);}
.roadmap-item p{font-size:13.6px;color:var(--muted);margin-top:11px;}

/* changelog */
.log{display:grid;gap:0;border-left:2px solid #e5e8f5;padding-left:24px;}
.log-item{position:relative;padding-bottom:26px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:"";position:absolute;left:-32px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.log-date{font-size:12.5px;font-weight:800;color:#a06b00;letter-spacing:1px;}
.log-item h3{font-size:16px;margin:6px 0 6px;}
.log-item p{font-size:14.2px;color:var(--muted);}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s,border-color .22s;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d3d9ef;}
.post-link{display:block;padding:22px;height:100%;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8a90af;margin-bottom:10px;flex-wrap:wrap;}
.post-cat{color:#0a6b5c;background:rgba(62,230,209,.18);padding:2px 9px;border-radius:6px;font-weight:800;letter-spacing:.5px;}
.post-card h3{font-size:16.5px;margin-bottom:9px;color:var(--ink);}
.post-card p{font-size:14px;color:var(--muted);margin-bottom:12px;}
.post-more{font-size:13px;font-weight:800;color:#a06b00;}
.empty-tip{background:var(--surface);border:1px dashed #cfd5ea;border-radius:var(--radius);padding:34px;text-align:center;color:var(--muted);font-size:15px;}

/* faq */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:border-color .2s;
}
.faq-item:hover{border-color:#d3d9ef;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 34px 18px 0;position:relative;
  font-weight:800;font-size:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--gold);transition:transform .2s;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:6px;}
.faq-item p{font-size:14.6px;color:var(--muted);padding-bottom:20px;}

/* subscribe */
.section--sub{
  position:relative;color:#fff;overflow:hidden;
  background:var(--ink-3) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.section--sub::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(13,17,44,.96),rgba(26,31,61,.86));
}
.sub-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:70px 20px;}
.sub-copy h2{font-size:clamp(22px,2.6vw,30px);margin:12px 0 14px;color:#fff;}
.sub-copy p{font-size:15px;color:#b4bcdb;max-width:520px;}
.sub-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:26px;}
.sub-form label{display:block;font-size:13px;font-weight:800;letter-spacing:1.4px;color:#ffd78a;margin-bottom:10px;}
.sub-input-row{display:flex;gap:12px;flex-wrap:wrap;}
.sub-input-row input{
  flex:1 1 220px;min-width:0;padding:13px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(10,14,36,.55);
  color:#fff;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;
}
.sub-input-row input::placeholder{color:#8e97bd;}
.sub-input-row input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(62,230,209,.22);}
.form-note{margin-top:14px;font-size:13px;color:#a4adcf;line-height:1.7;}
.form-note.is-warn{color:#ffb0a0;}

/* footer */
.site-footer{background:#111634;color:#a9b1d2;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
.brand--footer{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#9aa3c6;max-width:420px;line-height:1.8;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1.4px;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:#9aa3c6;padding:5px 0;transition:color .2s,transform .2s;}
.footer-col a:hover{color:var(--gold);transform:translateX(3px);}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#7e87ab;}
.footer-bottom p{margin:0;}

/* responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 20px 64px;}
  .hero-lead{max-width:none;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .board-grid{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);gap:24px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .sub-inner{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-wrap{padding:10px 20px;}
  .phase-chips{margin-left:0;order:4;width:100%;padding-bottom:4px;}
  .site-nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;scrollbar-width:none;}
  .site-nav::-webkit-scrollbar{display:none;}
  .nav-link{white-space:nowrap;}
  .brand{order:1;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .grid-3,.grid-2,.compare,.grid-4{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .coupon-mini-row{grid-template-columns:1fr;}
  .rank-item{flex-wrap:wrap;}
  .rank-rate{margin-left:0;padding-top:0;}
  .bar-row{grid-template-columns:104px 1fr 48px;font-size:12.8px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .hero-inner{padding:44px 16px 52px;}
  .sub-inner{padding:52px 16px;}
  .board{padding:24px 20px;}
  .board-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .board-cell strong{font-size:23px;}
  .coupon-main{padding:22px 18px 18px;}
  .coupon-main h2{font-size:22px;}
  .flow{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn{width:auto;flex:1 1 100%;}
  .tip-body{padding:18px;}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#242b52;
 --ink-3:#0f1330;
 --gold:#ffb400;
 --gold-deep:#ff8a00;
 --cyan:#3ee6d1;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5d6484;
 --line:#e3e6f2;
 --radius:14px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.3);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font:inherit;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ===== header / nav ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(18,22,48,.95);
 border-bottom:1px solid rgba(255,255,255,.08);
 backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;padding:10px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffc94d,#ff8a00);color:#291a00;
 font-size:18px;font-weight:900;box-shadow:0 8px 20px rgba(255,138,0,.35);
}
.brand-text{font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.4px;display:block;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#96a0cc;letter-spacing:1.6px;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
 display:inline-block;padding:9px 15px;border-radius:999px;
 font-size:15px;color:#c6cce6;transition:background .2s,color .2s,transform .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{
 color:#231700;font-weight:800;
 background:linear-gradient(135deg,#ffce5c,#ffa41b);
 box-shadow:0 8px 18px rgba(255,164,27,.28);
}
.phase-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;padding:5px 12px;border-radius:999px;
 border:1px solid rgba(255,255,255,.16);color:#b6bde0;
 transition:border-color .2s,color .2s,background .2s;white-space:nowrap;
}
.chip:hover{border-color:rgba(255,180,0,.7);color:#fff;}
.chip--pre{color:#ffd479;border-color:rgba(255,180,0,.45);}
.chip--live{
 color:#08312a;font-weight:800;border-color:transparent;
 background:linear-gradient(135deg,#3ee6d1,#8bf7dd);
}
.chip--live i{width:6px;height:6px;border-radius:50%;background:#08312a;}
.chip--replay{color:#a8b6ff;border-color:rgba(130,150,255,.42);}

/* ===== buttons ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:800;cursor:pointer;line-height:1.2;
 transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn:focus-visible{outline:3px solid rgba(62,230,209,.75);outline-offset:3px;}
.btn-primary{background:linear-gradient(135deg,#ffce5c,#ff8a00);color:#2a1a00;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,154,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);}

/* ===== article hero ===== */
.article-hero{
 position:relative;overflow:hidden;color:#fff;
 background:var(--ink-3) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(12,16,42,.97) 0%,rgba(26,31,61,.9) 52%,rgba(26,31,61,.62) 100%);
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(560px 300px at 86% 10%,rgba(255,180,0,.22),transparent 70%),
 radial-gradient(480px 280px at 6% 96%,rgba(62,230,209,.15),transparent 72%);
}
.article-hero .container{position:relative;z-index:2;}
.article-hero-grid{
 display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;
 padding:52px 20px 62px;
}
.crumb{
 display:flex;align-items:center;gap:8px;flex-wrap:wrap;
 font-size:13px;color:#97a1c9;margin-bottom:16px;
}
.crumb a{color:#c8cfeb;transition:color .2s;}
.crumb a:hover{color:var(--gold);}
.crumb span{color:#6d77a0;}
.article-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:1.4px;
 color:#2a1a00;background:linear-gradient(135deg,#ffd166,#ffa41b);
 padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.article-hero h1{
 font-size:clamp(27px,3.6vw,40px);
 letter-spacing:.3px;margin-bottom:16px;
 text-shadow:0 8px 28px rgba(0,0,0,.35);
}
.article-summary{
 font-size:15.5px;color:#c3cbe6;max-width:660px;margin-bottom:22px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:#9aa3c8;}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.article-cover{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.18);
 box-shadow:0 26px 54px rgba(0,0,0,.45);
}
.article-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.article-cover figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:34px 18px 14px;font-size:12.5px;color:#dfe4f6;
 background:linear-gradient(transparent,rgba(10,14,36,.9));
}

/* ===== section base ===== */
.section{padding:62px 0;}
.section--alt{background:var(--surface);}
.section--tight{padding:48px 0;}
.section--dark{background:var(--ink);color:#fff;}
.sec-head{max-width:720px;margin-bottom:30px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:#b37600;background:rgba(255,180,0,.14);
 padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.section--dark .sec-eyebrow{color:#ffd479;background:rgba(255,180,0,.16);}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.section--dark .sec-head h2{color:#fff;}
.sec-head p{color:var(--muted);font-size:15px;}
.section--dark .sec-head p{color:#a9b1d2;}

/* ===== article body ===== */
.article-body{max-width:860px;margin:0 auto;}
.article-body h2{
 font-size:clamp(20px,2.3vw,25px);margin:38px 0 14px;
 padding-left:14px;border-left:5px solid var(--gold);
}
.article-body h3{font-size:19px;margin:26px 0 10px;color:var(--ink-2);}
.article-body h4{font-size:17px;margin:20px 0 8px;color:var(--ink-2);}
.article-body p{margin:0 0 16px;color:#3b4265;font-size:16px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body ul li,.article-body ol li{margin-bottom:8px;color:#3b4265;}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm);}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;background:#fff8e6;
 border-left:4px solid var(--gold);border-radius:0 12px 12px 0;color:#5c4a20;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:#fff;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.article-body th{background:#f1f3fb;font-weight:800;color:var(--ink);}
.article-body a{color:#b87900;text-decoration:underline;}
.article-body a:hover{color:var(--gold-deep);}
.article-body strong{color:var(--ink);}
.empty-state{
 background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);
 padding:46px 28px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state h2{font-size:24px;margin-bottom:10px;border:0;padding:0;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ===== key points ===== */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.point-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 22px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.point-num{
 display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;
 background:linear-gradient(140deg,#ffd166,#ffa41b);color:#2a1a00;font-weight:900;font-size:15px;
 margin-bottom:14px;
}
.point-card h3{font-size:17.5px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--muted);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
 font-size:12.5px;padding:4px 11px;border-radius:999px;
 background:#f0f2fb;color:#4c5580;border:1px solid var(--line);
}

/* ===== channel matrix ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
 display:flex;flex-direction:column;justify-content:space-between;
 background:linear-gradient(160deg,#2b3360,#161b3a 82%);
 border:1px solid rgba(255,180,0,.28);
 border-radius:var(--radius-lg);padding:26px 24px;
 box-shadow:0 20px 40px rgba(0,0,0,.32);
 transition:transform .22s,border-color .22s,box-shadow .22s;
}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.72);box-shadow:0 26px 52px rgba(0,0,0,.42);}
.channel-card h3{font-size:19px;color:#fff;margin-bottom:10px;}
.channel-card p{font-size:14.5px;color:#aeb7d8;margin-bottom:20px;}
.channel-link{
 display:inline-flex;align-items:center;gap:8px;
 font-size:14px;font-weight:800;color:#ffce5c;
 transition:gap .2s,color .2s;
}
.channel-link:hover{gap:14px;color:#ffd479;}
.channel-link:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:6px;}

/* ===== metrics ===== */
.metric-board{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px;box-shadow:var(--shadow-sm);margin-bottom:26px;
}
.metric-item{text-align:center;padding:6px 8px;border-right:1px solid var(--line);}
.metric-item:last-child{border-right:0;}
.metric-item strong{
 display:block;font-size:clamp(24px,3vw,32px);color:var(--ink);
 letter-spacing:.5px;line-height:1.1;margin-bottom:6px;
}
.metric-item strong em{font-style:normal;color:var(--gold-deep);font-size:16px;margin-left:2px;}
.metric-item span{font-size:13.5px;color:var(--muted);}
.insight-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.insight-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 22px;box-shadow:var(--shadow-sm);
 border-top:4px solid var(--cyan);
}
.insight-card:nth-child(2){border-top-color:var(--gold);}
.insight-card h3{font-size:17px;margin-bottom:8px;}
.insight-card p{font-size:14.5px;color:var(--muted);}

/* ===== timeline ===== */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.12));
}
.timeline-item{position:relative;padding:0 0 26px 8px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
 content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16);
}
.timeline-item h3{font-size:17px;margin-bottom:6px;color:var(--ink);}
.timeline-item p{font-size:14.5px;color:var(--muted);}

/* ===== faq ===== */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(255,180,0,.5);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 20px;
 font-size:16px;font-weight:700;color:var(--ink);
 display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";color:var(--gold-deep);font-size:22px;font-weight:800;line-height:1;flex-shrink:0;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px;}
.faq-item p{padding:0 20px 18px;color:var(--muted);font-size:15px;margin:0;}

/* ===== subscribe ===== */
.subscribe-panel{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:42px 40px;color:#fff;
 background:linear-gradient(120deg,#1a1f3d 0%,#242b52 62%,#2d3568 100%);
 box-shadow:var(--shadow-md);
}
.subscribe-panel::after{
 content:"";position:absolute;right:-70px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.24),transparent 68%);
}
.subscribe-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;}
.subscribe-inner h2{font-size:clamp(21px,2.4vw,27px);color:#fff;margin-bottom:10px;}
.subscribe-inner p{font-size:14.5px;color:#aab3d4;}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
 flex:1 1 200px;min-width:0;padding:13px 18px;border-radius:999px;
 border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;
 transition:border-color .2s,background .2s;
}
.subscribe-form input::placeholder{color:#98a2c6;}
.subscribe-form input:focus{
 outline:none;border-color:var(--gold);background:rgba(255,255,255,.14);
}
.form-hint{font-size:12.5px;color:#8f99bd;margin-top:12px;}
.form-msg{font-size:13.5px;color:#7df3d9;margin-top:10px;min-height:20px;}

/* ===== footer ===== */
.site-footer{background:#10142f;color:#9aa3c8;padding:54px 0 0;border-top:1px solid rgba(255,255,255,.06);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.brand--footer{color:#fff;}
.footer-brand p{font-size:14px;color:#8f99bd;margin-top:16px;max-width:400px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col a{
 display:block;font-size:14px;color:#9aa3c8;padding:5px 0;
 transition:color .2s,transform .2s;
}
.footer-col a:hover{color:var(--gold);transform:translateX(3px);}
.footer-col a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px;}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding:18px 20px;border-top:1px solid rgba(255,255,255,.08);
 font-size:13px;color:#7c86ab;
}

/* ===== responsive ===== */
@media (max-width:1024px){
 .article-hero-grid{grid-template-columns:1fr;gap:34px;padding:42px 20px 52px;}
 .article-cover{max-width:560px;}
 .point-grid{grid-template-columns:repeat(2,1fr);}
 .channel-grid{grid-template-columns:1fr;}
 .metric-board{grid-template-columns:repeat(2,1fr);gap:14px;}
 .metric-item:nth-child(2){border-right:0;}
 .insight-grid{grid-template-columns:1fr;}
 .subscribe-inner{grid-template-columns:1fr;gap:24px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
 .nav-wrap{align-items:flex-start;gap:12px;padding:12px 20px;}
 .site-nav{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;-webkit-overflow-scrolling:touch;}
 .site-nav::-webkit-scrollbar{height:4px;}
 .site-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:4px;}
 .nav-link{white-space:nowrap;}
 .phase-chips{margin-left:0;width:100%;}
 .section{padding:46px 0;}
 .article-hero h1{font-size:26px;}
 .point-grid{grid-template-columns:1fr;}
 .subscribe-panel{padding:30px 22px;}
 .subscribe-form{flex-direction:column;align-items:stretch;}
 .subscribe-form .btn{width:100%;}
 .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .article-hero-grid{padding:34px 16px 42px;}
 .brand-text{font-size:15px;}
 .brand-text small{font-size:10px;letter-spacing:1.2px;}
 .metric-board{grid-template-columns:1fr;padding:20px;}
 .metric-item{border-right:0;border-bottom:1px solid var(--line);padding-bottom:14px;}
 .metric-item:last-child{border-bottom:0;padding-bottom:0;}
 .timeline{padding-left:20px;}
 .timeline-item::before{left:-20px;width:12px;height:12px;}
 .article-body p{font-size:15.5px;}
 .btn{padding:11px 20px;font-size:14.5px;}
 .sec-head h2{font-size:21px;}
}

/* roulang page: category1 */
:root{
  --ink:#1a1f3d;
  --ink-2:#242b52;
  --ink-3:#0f1330;
  --gold:#ffb400;
  --gold-deep:#ff8a00;
  --cyan:#3ee6d1;
  --bg:#f4f5fb;
  --surface:#ffffff;
  --text:#1a1f3d;
  --muted:#5d6484;
  --line:#e3e6f2;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow-md:0 14px 34px rgba(26,31,61,.12);
  --shadow-gold:0 10px 26px rgba(255,180,0,.3);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font:inherit;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ===== header / nav ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(18,22,48,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px;padding:10px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffc94d,#ff8a00);color:#291a00;
  font-size:18px;font-weight:900;box-shadow:0 8px 20px rgba(255,138,0,.35);
}
.brand-text{font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.4px;display:block;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#96a0cc;letter-spacing:1.6px;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
  display:inline-block;padding:9px 15px;border-radius:999px;
  font-size:15px;color:#c6cce6;transition:background .2s,color .2s,transform .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{
  color:#231700;font-weight:800;
  background:linear-gradient(135deg,#ffce5c,#ffa41b);
  box-shadow:0 8px 18px rgba(255,164,27,.28);
}
.phase-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:#b6bde0;
  transition:border-color .2s,color .2s,background .2s;white-space:nowrap;
}
.chip:hover{border-color:rgba(255,180,0,.7);color:#fff;}
.chip--pre{color:#ffd479;border-color:rgba(255,180,0,.45);}
.chip--live{
  color:#08312a;font-weight:800;border-color:transparent;
  background:linear-gradient(135deg,#3ee6d1,#8bf7dd);
}
.chip--live i{width:6px;height:6px;border-radius:50%;background:#08312a;}
.chip--replay{color:#a8b6ff;border-color:rgba(130,150,255,.42);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:800;cursor:pointer;line-height:1.2;
  transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn:focus-visible{outline:3px solid rgba(62,230,209,.75);outline-offset:3px;}
.btn-primary{background:linear-gradient(135deg,#ffce5c,#ff8a00);color:#2a1a00;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,154,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);}

/* ===== section base ===== */
.section{padding:66px 0;}
.section--alt{background:var(--surface);}
.section--dark{
  background:linear-gradient(150deg,#151a37 0%,#1a1f3d 58%,#12162f 100%);
  color:#fff;
}
.section--dark p{color:#b8c0e0;}
.section-head{max-width:780px;margin-bottom:34px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:800;
  color:#a4650a;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.4);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--dark .eyebrow{color:#ffd68a;background:rgba(255,180,0,.12);}
.section-title{font-size:clamp(23px,3vw,32px);color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-sub{font-size:15.5px;color:var(--muted);margin-top:12px;max-width:720px;}
.section--dark .section-sub{color:#a9b1d2;}

/* ===== hero ===== */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink-3) url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,15,38,.97) 0%,rgba(24,29,58,.92) 50%,rgba(24,29,58,.66) 100%);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 320px at 84% 10%,rgba(255,180,0,.22),transparent 70%),
             radial-gradient(520px 300px at 8% 96%,rgba(62,230,209,.16),transparent 72%);
}
.cat-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:46px;
  padding:54px 20px 62px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#98a1c8;flex-wrap:wrap;margin-bottom:16px;}
.crumb a{transition:color .2s;}
.crumb a:hover{color:var(--gold);}
.crumb span{color:#5d6791;}
.cat-hero h1{
  font-size:clamp(27px,3.7vw,42px);letter-spacing:.5px;margin:0 0 16px;
  text-shadow:0 8px 30px rgba(0,0,0,.35);
}
.cat-hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{font-size:16px;color:#c7cee8;max-width:620px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;}
.hero-chips li{
  font-size:12.5px;color:#ffd995;border:1px solid rgba(255,180,0,.34);
  background:rgba(255,180,0,.09);padding:5px 12px;border-radius:8px;
}
.order-panel{
  position:relative;border-radius:var(--radius-lg);padding:24px 22px;
  background:linear-gradient(165deg,rgba(45,54,102,.96),rgba(18,23,51,.97));
  border:1px solid rgba(255,180,0,.42);
  box-shadow:0 26px 54px rgba(0,0,0,.42);
}
.order-panel h2{font-size:17px;color:#fff;margin-bottom:6px;}
.panel-sub{font-size:12.5px;color:#9aa3c8;margin-bottom:16px;}
.order-list{display:grid;gap:9px;}
.order-list li{
  display:flex;align-items:center;gap:11px;font-size:14px;color:#d5dbf2;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:11px;padding:9px 12px;transition:border-color .2s,background .2s;
}
.order-list li:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);}
.order-list li b{
  width:22px;height:22px;border-radius:7px;flex:0 0 auto;
  background:rgba(255,180,0,.2);color:#ffce5c;
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.order-list li.is-key{border-color:rgba(255,180,0,.6);background:rgba(255,180,0,.13);}

/* ===== stats ===== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--gold);
  border-radius:var(--radius);padding:20px 20px 18px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat strong{display:block;font-size:29px;color:var(--ink);letter-spacing:.5px;line-height:1.2;}
.stat span{font-size:13.5px;color:var(--muted);}

/* ===== steps ===== */
.steps{display:grid;gap:14px;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.55);}
.step-no{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffe08a,#ffb400);color:#2a1a00;
  font-weight:900;font-size:16px;box-shadow:0 8px 18px rgba(255,180,0,.24);
}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{font-size:14.8px;color:var(--muted);}

/* ===== rule table ===== */
.rule-table{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-sm);
}
.rule-row{
  display:grid;grid-template-columns:1fr 1.25fr 1.35fr;gap:14px;
  padding:15px 20px;border-bottom:1px solid var(--line);font-size:14.5px;
}
.rule-row:last-child{border-bottom:0;}
.rule-row--head{
  background:var(--ink);color:#fff;font-weight:800;font-size:13px;letter-spacing:1.4px;
}
.rule-row:nth-child(even){background:#fafbff;}
.rule-row b{color:var(--ink);}
.rule-row span{color:var(--muted);}
.rule-row em{font-style:normal;color:#a95f00;font-weight:700;}

/* ===== fix cards ===== */
.fix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.fix-card{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold-deep);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s;
}
.fix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.fix-card .q{font-size:14px;color:#8a5a00;font-weight:700;margin-bottom:8px;}
.fix-card h3{font-size:17px;margin-bottom:10px;}
.fix-card p{font-size:14.6px;color:var(--muted);}
.fix-answer{
  margin-top:14px;font-size:14.2px;color:var(--text);
  background:#fff8e6;border:1px dashed rgba(255,138,0,.45);
  border-radius:11px;padding:11px 13px;
}

/* ===== split ===== */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;}
.split-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 24px 48px rgba(0,0,0,.35);}
.split-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.split-figure:hover img{transform:scale(1.04);}
.split-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;
  font-size:12.5px;color:#e6ebff;
  background:linear-gradient(180deg,transparent,rgba(10,14,34,.9));
}
.split h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:14px;color:#fff;}
.split h2 em{font-style:normal;color:var(--gold);}
.split p{color:#b8c0e0;font-size:15.2px;}
.diff-list{display:grid;gap:11px;margin-top:20px;}
.diff-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.6px;color:#d3d9f1;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:12px 15px;
}
.diff-list li i{
  width:8px;height:8px;border-radius:50%;flex:0 0 auto;margin-top:9px;
  background:var(--gold);
}

/* ===== checklist ===== */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.8px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;box-shadow:var(--shadow-sm);
  transition:border-color .2s,transform .2s;
}
.check-list li:hover{border-color:rgba(255,180,0,.6);transform:translateY(-2px);}
.check-list li::before{content:"✓";color:#0d8f79;font-weight:900;flex:0 0 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.tag{
  font-size:12.8px;color:#5b4300;background:rgba(255,180,0,.16);
  border:1px solid rgba(255,180,0,.42);border-radius:999px;padding:5px 13px;
}

/* ===== posts ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s,border-color .2s;
  overflow:hidden;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.post-card-link{display:block;padding:22px;height:100%;}
.post-tag{
  display:inline-block;font-size:12px;font-weight:700;color:#8a5a00;
  background:rgba(255,180,0,.15);border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.post-card h3{font-size:16.5px;margin-bottom:9px;transition:color .2s;}
.post-card:hover h3{color:#a95f00;}
.post-card p{font-size:14.2px;color:var(--muted);margin-bottom:14px;}
.post-time{font-size:12.5px;color:#8b93b5;}
.post-empty{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:14.5px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:28px;
}

/* ===== faq ===== */
.faq{display:grid;gap:12px;max-width:920px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:0 20px;box-shadow:var(--shadow-sm);transition:border-color .2s;
}
.faq details[open]{border-color:rgba(255,180,0,.55);}
.faq summary{
  position:relative;cursor:pointer;list-style:none;
  padding:17px 34px 17px 0;font-weight:800;font-size:16px;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:14px;
  font-size:22px;font-weight:700;color:var(--gold-deep);line-height:1;
}
.faq details[open] summary::after{content:"−";}
.faq summary:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:8px;}
.faq details p{font-size:14.8px;color:var(--muted);padding:0 0 18px;margin:0;}

/* ===== cta ===== */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  border-radius:var(--radius-lg);padding:42px 40px;
  background:linear-gradient(130deg,#1d2450,#0f1330 86%);
  border:1px solid rgba(255,180,0,.3);
  box-shadow:var(--shadow-md);color:#fff;
}
.cta-panel::before{
  content:"";position:absolute;inset:-40% -20% auto auto;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,180,0,.24),transparent 68%);
}
.cta-panel > *{position:relative;z-index:1;}
.cta-panel h2{font-size:clamp(21px,2.6vw,28px);color:#fff;margin-bottom:12px;}
.cta-panel p{color:#b2bade;font-size:14.8px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 210px;min-width:0;padding:13px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;transition:border-color .2s,box-shadow .2s;
}
.sub-form input::placeholder{color:#98a1c8;}
.sub-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.26);}
.form-note{font-size:12.8px;color:#9aa3c8;margin-top:11px;}
.form-msg{
  display:none;margin-top:12px;font-size:13.5px;font-weight:700;color:#7ef2dd;
}
.form-msg.is-show{display:block;}

/* ===== footer ===== */
.site-footer{background:#111631;color:#c3c9e4;padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.45fr .78fr .78fr;gap:36px;padding-bottom:36px;}
.brand--footer .brand-text{font-size:16px;}
.footer-brand p{font-size:14.5px;color:#98a1c8;margin-top:14px;max-width:430px;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:14px;}
.footer-col a{display:block;font-size:14.5px;color:#a9b2d6;padding:5px 0;transition:color .2s,transform .2s;}
.footer-col a:hover{color:var(--gold);transform:translateX(3px);}
.footer-col a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8d96bd;
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:34px;padding:46px 20px 52px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-panel{grid-template-columns:1fr;gap:24px;padding:34px 28px;}
}
@media (max-width:768px){
  .nav-wrap{flex-direction:column;align-items:flex-start;gap:10px;padding:12px 16px;}
  .site-nav{
    width:100%;flex-wrap:nowrap;overflow-x:auto;
    padding-bottom:4px;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .site-nav::-webkit-scrollbar{height:0;}
  .nav-link{white-space:nowrap;font-size:14.5px;padding:8px 13px;}
  .phase-chips{margin-left:0;width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:2px;}
  .chip{font-size:12px;}
  .section{padding:50px 0;}
  .fix-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .rule-row{grid-template-columns:1fr;gap:6px;padding:14px 16px;}
  .rule-row--head{display:none;}
  .rule-row b{font-size:15px;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .hero-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .stat-strip{grid-template-columns:1fr;}
  .stat strong{font-size:26px;}
  .step{grid-template-columns:44px 1fr;gap:12px;padding:16px 16px;}
  .step-no{width:38px;height:38px;border-radius:10px;font-size:14px;}
  .cta-panel{padding:26px 20px;}
  .sub-form input{flex:1 1 100%;}
  .sub-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .brand-text{font-size:15.5px;}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#242b52;
 --ink-3:#0f1330;
 --gold:#ffb400;
 --gold-deep:#ff8a00;
 --cyan:#3ee6d1;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5d6484;
 --line:#e3e6f2;
 --radius:14px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.3);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:.3px;}
p{margin:0 0 14px;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ===== header / nav ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(18,22,48,.95);
 border-bottom:1px solid rgba(255,255,255,.08);
 backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;padding:10px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffc94d,#ff8a00);color:#291a00;
 font-size:18px;font-weight:900;box-shadow:0 8px 20px rgba(255,138,0,.35);
}
.brand-text{font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.4px;display:block;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#96a0cc;letter-spacing:1.6px;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
 display:inline-block;padding:9px 15px;border-radius:999px;
 font-size:15px;color:#c6cce6;transition:background .2s,color .2s,transform .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{
 color:#231700;font-weight:800;
 background:linear-gradient(135deg,#ffce5c,#ffa41b);
 box-shadow:0 8px 18px rgba(255,164,27,.28);
}
.phase-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;padding:5px 12px;border-radius:999px;
 border:1px solid rgba(255,255,255,.16);color:#b6bde0;
 transition:border-color .2s,color .2s,background .2s;white-space:nowrap;
}
.chip:hover{border-color:rgba(255,180,0,.7);color:#fff;}
.chip--pre{color:#ffd479;border-color:rgba(255,180,0,.45);}
.chip--live{
 color:#08312a;font-weight:800;border-color:transparent;
 background:linear-gradient(135deg,#3ee6d1,#8bf7dd);
}
.chip--live i{width:6px;height:6px;border-radius:50%;background:#08312a;}
.chip--replay{color:#a8b6ff;border-color:rgba(130,150,255,.42);}

/* ===== buttons ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:800;cursor:pointer;line-height:1.2;
 transition:transform .2s,box-shadow .2s,background .2s,color .2s;
}
.btn:focus-visible{outline:3px solid rgba(62,230,209,.75);outline-offset:3px;}
.btn-primary{background:linear-gradient(135deg,#ffce5c,#ff8a00);color:#2a1a00;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,154,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-2px);}

/* ===== hero ===== */
.hero{
 position:relative;color:#fff;overflow:hidden;
 background:var(--ink-3) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(13,17,44,.97) 0%,rgba(26,31,61,.92) 48%,rgba(26,31,61,.62) 100%);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(620px 320px at 82% 8%,rgba(255,180,0,.24),transparent 70%),
 radial-gradient(520px 300px at 8% 92%,rgba(62,230,209,.16),transparent 72%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.06fr .94fr;gap:46px;
 padding:66px 20px 74px;align-items:center;
}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1.6px;
 color:#ffe0a1;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
 padding:6px 14px;border-radius:999px;font-weight:700;
}
.hero h1{
 font-size:clamp(29px,4.2vw,44px);margin:18px 0 16px;
 text-shadow:0 8px 30px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{font-size:16px;color:#c7cee8;max-width:620px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 34px;}
.hero-points li{display:flex;align-items:baseline;gap:8px;}
.hero-points strong{font-size:24px;color:var(--gold);letter-spacing:.5px;}
.hero-points span{font-size:13.5px;color:#a9b1d2;}

/* rank board */
.rank-board{
 position:relative;border-radius:var(--radius-lg);padding:24px 22px 18px;
 background:linear-gradient(160deg,#2b3360,#151a38 78%);
 border:1px solid rgba(255,180,0,.4);
 box-shadow:0 26px 54px rgba(0,0,0,.42);
 overflow:hidden;
}
.rank-board::after{
 content:"";position:absolute;inset:-40% -30% auto auto;width:240px;height:240px;
 background:radial-gradient(circle,rgba(255,180,0,.26),transparent 68%);
}
.rank-head{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.rank-head h2{font-size:17px;color:#fff;}
.rank-head span{font-size:11.5px;letter-spacing:1.4px;color:#ffd995;border:1px solid rgba(255,180,0,.38);padding:3px 10px;border-radius:999px;}
.rank-sub{position:relative;font-size:12.5px;color:#9aa4cd;margin-bottom:14px;}
.rank-row{
 position:relative;display:grid;grid-template-columns:26px 1fr auto;gap:12px;align-items:center;
 padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.13);
}
.rank-row:last-child{border-bottom:0;}
.rank-no{
 width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
 font-size:12.5px;font-weight:900;color:#2a1a00;
 background:linear-gradient(135deg,#ffd166,#ffa41b);
}
.rank-row:nth-child(n+4) .rank-no{background:rgba(255,255,255,.14);color:#cfd5ee;}
.rank-name{font-size:14px;color:#e6eaf9;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.rank-name small{font-size:11.5px;color:#8f99c4;}
.rank-bar{height:5px;border-radius:99px;background:rgba(255,255,255,.13);overflow:hidden;margin-top:6px;}
.rank-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#ffce5c,#ff8a00);}
.rank-score{font-size:15px;font-weight:900;color:var(--gold);white-space:nowrap;}

/* ===== sections ===== */
.section{padding:66px 0;}
.section--white{background:var(--surface);}
.section--tint{background:linear-gradient(180deg,#eef0f8,#f4f5fb);}
.section--ink{
 background:var(--ink-3) url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
 color:#fff;position:relative;
}
.section--ink::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(120deg,rgba(15,19,48,.96),rgba(26,31,61,.9));
}
.section--ink > .container{position:relative;z-index:2;}
.section--ink .sec-head p{color:#a9b1d2;}
.section--ink .sec-head h2{color:#fff;}

.sec-head{max-width:780px;margin-bottom:34px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:2px;color:#a35d00;
 background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.4);
 padding:5px 13px;border-radius:999px;
}
.section--ink .eyebrow{color:#ffe0a1;background:rgba(255,180,0,.14);}
.sec-head h2{font-size:clamp(22px,3vw,31px);margin:12px 0 12px;}
.sec-head p{color:var(--muted);margin:0;font-size:15.5px;}

/* metric cards */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.metric-num{font-size:30px;font-weight:900;color:var(--ink);line-height:1.15;letter-spacing:.5px;}
.metric-num em{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:3px;font-weight:800;}
.metric-label{font-size:14px;font-weight:700;margin-top:6px;}
.metric-desc{font-size:13px;color:var(--muted);margin-top:6px;}

/* feature cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feature-card{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;overflow:hidden;
}
.feature-card::before{
 content:"";position:absolute;left:0;top:0;width:100%;height:4px;
 background:linear-gradient(90deg,#ffce5c,#ff8a00);
 opacity:.9;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.card-no{
 display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
 background:rgba(26,31,61,.06);color:var(--ink);font-weight:900;font-size:16px;margin-bottom:14px;
}
.feature-card h3{font-size:18px;margin-bottom:10px;}
.feature-card p{font-size:14.5px;color:var(--muted);margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
 font-size:12px;color:#7a5200;background:rgba(255,180,0,.16);
 border:1px solid rgba(255,180,0,.36);border-radius:8px;padding:3px 9px;
}

/* split figure */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);background:#000;}
.figure img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.figure figcaption{
 font-size:12.5px;color:#b9c1e0;background:var(--ink);padding:10px 16px;
}
.split h3{font-size:22px;margin-bottom:12px;}
.split p{font-size:15px;color:var(--muted);}
.check-list{display:grid;gap:10px;margin-top:16px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
.check-list li::before{
 content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;margin-top:9px;
 background:linear-gradient(135deg,#ffce5c,#ff8a00);
}

/* compare */
.compare-wrap{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.compare-row{
 display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:12px;
 padding:15px 22px;border-bottom:1px solid var(--line);font-size:15px;
 transition:background .2s;
}
.compare-row:last-child{border-bottom:0;}
.compare-row:hover{background:#fafbff;}
.compare-head{
 background:var(--ink);color:#fff;font-weight:800;font-size:14px;letter-spacing:.5px;
}
.compare-head:hover{background:var(--ink);}
.compare-row .col-a{color:var(--muted);}
.compare-row .col-b{color:var(--gold-deep);font-weight:800;}
.compare-note{font-size:12.5px;color:var(--muted);margin-top:14px;}

/* timeline */
.timeline{margin-left:10px;padding-left:28px;border-left:2px solid var(--line);}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-36px;top:6px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.tl-meta{font-size:12.5px;color:var(--gold-deep);font-weight:800;letter-spacing:1.4px;margin-bottom:6px;}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--muted);margin:0;}

/* session */
.session-list{display:grid;gap:14px;}
.session{
 display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.session:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.45);}
.session-time{font-weight:900;color:var(--ink);font-size:15px;}
.session-time small{display:block;font-weight:600;font-size:12.5px;color:var(--muted);}
.session-name{font-size:15px;font-weight:700;}
.session-name span{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:3px;}
.badge{
 font-size:12.5px;font-weight:800;padding:5px 12px;border-radius:999px;
 background:rgba(62,230,209,.16);color:#0c6a5c;border:1px solid rgba(62,230,209,.5);white-space:nowrap;
}
.badge--gold{background:rgba(255,180,0,.16);color:#8a5600;border-color:rgba(255,180,0,.5);}

/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{
 display:flex;flex-direction:column;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s,border-color .22s;
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:rgba(255,180,0,.5);}
.post-top{
 height:78px;display:flex;align-items:flex-end;padding:12px 18px;
 background:linear-gradient(135deg,#242b52,#0f1330);position:relative;overflow:hidden;
}
.post-top::after{
 content:"";position:absolute;inset:auto -30px -50px auto;width:150px;height:150px;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 70%);
}
.post-top span{
 position:relative;font-size:11.5px;letter-spacing:1.4px;font-weight:800;
 color:#ffe0a1;border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.12);
 padding:3px 10px;border-radius:999px;
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.post-body h3{font-size:16.5px;line-height:1.5;}
.post-body p{font-size:13.5px;color:var(--muted);margin:0;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8a90ad;margin-top:auto;padding-top:8px;}
.empty-note{
 background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
 padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}

/* quick list */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.quick-item{
 display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow-sm);
}
.quick-item i{
 flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
 font-style:normal;font-size:13px;font-weight:900;color:#2a1a00;
 background:linear-gradient(135deg,#ffd166,#ffa41b);
}
.quick-item h3{font-size:15px;margin-bottom:4px;}
.quick-item p{font-size:13.5px;color:var(--muted);margin:0;}

/* faq */
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-sm);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:16px 22px;cursor:pointer;font-weight:800;font-size:15.5px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold-deep);font-size:21px;font-weight:900;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:focus-visible{outline:3px solid rgba(62,230,209,.6);outline-offset:-3px;}
.faq-body{padding:0 22px 18px;font-size:14.5px;color:var(--muted);}

/* cta form */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-copy h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:14px;}
.cta-copy p{color:#a9b1d2;font-size:15px;}
.cta-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:22px;}
.cta-stats div strong{display:block;font-size:24px;color:var(--gold);}
.cta-stats div span{font-size:13px;color:#9aa4cd;}
.form-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:26px 24px;backdrop-filter:blur(6px);
}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:#c3cae6;margin-bottom:6px;font-weight:700;}
.field input,.field select,.field textarea{
 width:100%;padding:11px 14px;border-radius:11px;
 background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.2);
 color:var(--ink);font-size:14.5px;transition:box-shadow .2s,border-color .2s;
}
.field textarea{min-height:88px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.32);
}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:#9aa4cd;margin-top:12px;}
.form-note strong{color:#8bf7dd;}

/* footer */
.site-footer{background:#0c102a;color:#a9b1d2;padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;}
.brand--footer{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#8f99c4;max-width:420px;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1.2px;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:#9aa4cd;padding:5px 0;transition:color .2s,transform .2s;}
.footer-col a:hover{color:var(--gold);transform:translateX(3px);}
.footer-col a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 border-top:1px solid rgba(255,255,255,.1);padding:18px 20px 24px;
 font-size:13px;color:#7d86ae;
}
.footer-bottom p{margin:0;}

/* ===== responsive ===== */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 20px 60px;}
 .metric-grid{grid-template-columns:repeat(2,1fr);}
 .feature-grid{grid-template-columns:repeat(2,1fr);}
 .post-grid{grid-template-columns:repeat(2,1fr);}
 .split{grid-template-columns:1fr;gap:26px;}
 .cta-grid{grid-template-columns:1fr;gap:30px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .nav-wrap{gap:12px;padding:12px 16px;}
 .site-nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;}
 .nav-link{white-space:nowrap;font-size:14px;padding:8px 13px;}
 .phase-chips{order:4;width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
 .section{padding:48px 0;}
 .feature-grid,.post-grid,.quick-grid{grid-template-columns:1fr;}
 .session{grid-template-columns:1fr;gap:8px;padding:16px 18px;}
 .session .badge{justify-self:start;}
 .compare-row{grid-template-columns:1.2fr 1fr 1fr;padding:13px 16px;font-size:14px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .rank-score{font-size:14px;}
}
@media (max-width:520px){
 .metric-grid{grid-template-columns:1fr;}
 .hero h1{font-size:26px;}
 .hero-lead{font-size:15px;}
 .hero-actions .btn{width:100%;}
 .hero-points{gap:10px 20px;}
 .hero-points strong{font-size:20px;}
 .compare-row{grid-template-columns:1fr 1fr 1fr;gap:8px;padding:12px;font-size:13px;}
 .compare-head{font-size:12px;}
 .sec-head h2{font-size:21px;}
 .form-card{padding:20px 16px;}
 .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-2:#242b52;
 --ink-3:#0f1330;
 --gold:#ffb400;
 --gold-deep:#ff8a00;
 --cyan:#3ee6d1;
 --bg:#f4f5fb;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5d6484;
 --line:#e3e6f2;
 --radius:14px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow-md:0 14px 34px rgba(26,31,61,.12);
 --shadow-gold:0 10px 26px rgba(255,180,0,.3);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px;}
body{
 margin:0;
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.2px;}
p{margin:0;}
ul,ol,figure{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;}
:focus-visible{outline:3px solid rgba(62,230,209,.75);outline-offset:3px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
/* ============ header / nav ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(18,22,48,.95);
 border-bottom:1px solid rgba(255,255,255,.08);
 backdrop-filter:blur(12px);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px;padding:10px 20px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand-mark{
 width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffc94d,#ff8a00);color:#291a00;
 font-size:18px;font-weight:900;box-shadow:0 8px 20px rgba(255,138,0,.35);
}
.brand-text{font-size:17px;font-weight:800;line-height:1.2;letter-spacing:.4px;display:block;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#96a0cc;letter-spacing:1.6px;margin-top:3px;}
.site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-link{
 display:inline-block;padding:9px 15px;border-radius:999px;
 font-size:15px;color:#c6cce6;transition:background .2s,color .2s,transform .2s;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.nav-link.is-active{
 color:#231700;font-weight:800;
 background:linear-gradient(135deg,#ffce5c,#ffa41b);
 box-shadow:0 8px 18px rgba(255,164,27,.28);
}
.phase-chips{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;padding:5px 12px;border-radius:999px;
 border:1px solid rgba(255,255,255,.16);color:#b6bde0;
 transition:border-color .2s,color .2s,background .2s;white-space:nowrap;
}
.chip:hover{border-color:rgba(255,180,0,.7);color:#fff;}
.chip--pre{color:#ffd479;border-color:rgba(255,180,0,.45);}
.chip--live{
 color:#08312a;font-weight:800;border-color:transparent;
 background:linear-gradient(135deg,#3ee6d1,#8bf7dd);
}
.chip--live i{width:6px;height:6px;border-radius:50%;background:#08312a;}
.chip--replay{color:#a8b6ff;border-color:rgba(130,150,255,.42);}
/* ============ buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:800;cursor:pointer;line-height:1.2;
 transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
}
.btn-primary{background:linear-gradient(135deg,#ffce5c,#ff8a00);color:#2a1a00;box-shadow:var(--shadow-gold);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,154,0,.42);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-line{background:transparent;color:var(--ink);border-color:#c9cfe6;}
.btn-line:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
/* ============ hero ============ */
.page-hero{
 position:relative;color:#fff;overflow:hidden;
 background:var(--ink-3) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(12,16,42,.97) 0%,rgba(26,31,61,.93) 52%,rgba(26,31,61,.72) 100%);
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(560px 300px at 88% 4%,rgba(255,180,0,.22),transparent 72%),
 radial-gradient(480px 280px at 6% 96%,rgba(62,230,209,.16),transparent 74%);
}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:64px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:#939dc4;margin-bottom:22px;}
.crumb a:hover{color:#ffd479;}
.crumb span{color:#5d689a;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.8px;font-weight:800;
 color:#ffe0a1;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.42);
 padding:6px 14px;border-radius:999px;
}
.hero-copy h1{font-size:clamp(28px,3.9vw,43px);margin:18px 0 16px;text-shadow:0 8px 30px rgba(0,0,0,.35);}
.hero-copy h1 em{font-style:normal;color:var(--gold);}
.hero-lead{font-size:16px;color:#c3cbe6;max-width:600px;margin-bottom:26px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:28px;max-width:560px;}
.hero-stat{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);padding:13px 15px;
}
.hero-stat strong{display:block;font-size:22px;color:var(--gold);letter-spacing:.5px;}
.hero-stat span{font-size:12.5px;color:#a9b1d2;}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;}
.bento{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.bento-main{
 grid-column:1 / -1;position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.16);box-shadow:0 26px 52px rgba(0,0,0,.38);
 background:#101433;
}
.bento-main img{width:100%;height:232px;object-fit:cover;opacity:.92;}
.bento-main figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;
 font-size:13px;color:#e7ecff;
 background:linear-gradient(to top,rgba(9,12,32,.92),rgba(9,12,32,0));
}
.bento-card{
 background:linear-gradient(160deg,#2b3360,#171c3d 82%);
 border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:16px 16px 14px;
 transition:transform .22s,border-color .22s;
}
.bento-card:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.55);}
.bento-card strong{display:block;font-size:20px;color:var(--gold);}
.bento-card span{display:block;font-size:12.8px;color:#aab2d4;margin-top:2px;}
.bento-card i{display:block;font-style:normal;font-size:11.5px;color:#7f8ab5;margin-top:6px;}
/* ============ section shell ============ */
.section{padding:72px 0;}
.section--alt{background:#eaedf9;}
.section--dark{background:var(--ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head--wide{max-width:900px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:2px;font-weight:800;
 color:#9c6608;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.36);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--dark .eyebrow{color:#ffd48a;background:rgba(255,180,0,.14);}
.section-title{font-size:clamp(22px,2.6vw,31px);color:var(--ink);}
.section--dark .section-title{color:#fff;}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;}
.section--dark .section-desc{color:#b7bfdf;}
.tag{
 display:inline-block;font-size:11.8px;font-weight:800;color:#8a5b00;
 background:rgba(255,180,0,.18);border:1px solid rgba(255,180,0,.34);
 padding:3px 10px;border-radius:999px;
}
.tag--cyan{color:#06554c;background:rgba(62,230,209,.2);border-color:rgba(62,230,209,.45);}
/* ============ metrics ============ */
.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(232px,1fr));gap:18px;}
.metric-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .22s,box-shadow .22s,border-color .22s;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd6ee;}
.metric-value{font-size:27px;font-weight:900;color:var(--ink);letter-spacing:.5px;}
.metric-value small{font-size:14px;color:var(--muted);font-weight:700;margin-left:3px;}
.metric-label{margin-top:6px;font-size:14.5px;font-weight:800;color:#333a60;}
.metric-note{margin-top:8px;font-size:13.5px;color:var(--muted);}
/* ============ matrix ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;}
.matrix-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
 transition:transform .24s,box-shadow .24s;
}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
.matrix-card figure{position:relative;margin:0;}
.matrix-card img{width:100%;height:168px;object-fit:cover;}
.matrix-card figure .tag{position:absolute;left:14px;top:14px;background:#fff;border-color:#ffd27a;color:#8a5b00;}
.matrix-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.matrix-body h3{font-size:18.5px;color:var(--ink);}
.matrix-body p{font-size:14.3px;color:var(--muted);}
.matrix-list{display:flex;flex-direction:column;gap:7px;margin-top:auto;}
.matrix-list li{position:relative;padding-left:18px;font-size:13.6px;color:#3d4570;}
.matrix-list li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,#ffce5c,#ff8a00);
}
/* ============ compare table ============ */
.compare-wrap{overflow-x:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);background:#fff;}
table.compare{width:100%;border-collapse:collapse;min-width:760px;}
table.compare caption{text-align:left;padding:16px 20px 0;font-size:13.5px;color:var(--muted);}
table.compare th{
 background:var(--ink);color:#fff;font-size:13.5px;font-weight:800;
 padding:15px 18px;text-align:left;white-space:nowrap;
}
table.compare td{padding:15px 18px;border-top:1px solid var(--line);font-size:14.2px;color:#3c4368;vertical-align:top;}
table.compare tbody tr:nth-child(even){background:#fafbff;}
table.compare tbody tr:hover{background:#fff7e4;}
table.compare td strong{color:var(--ink);}
.compare-tip{
 margin-top:16px;display:flex;gap:12px;align-items:flex-start;
 background:rgba(62,230,209,.12);border:1px solid rgba(62,230,209,.36);
 border-radius:var(--radius);padding:14px 18px;font-size:14px;color:#1d5a53;
}
.compare-tip b{color:#0d3f39;}
/* ============ flow / status ============ */
.flow-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:start;}
.step-list{display:flex;flex-direction:column;gap:14px;counter-reset:step;}
.step-item{
 display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s,border-color .2s;
}
.step-item:hover{transform:translateX(4px);border-color:#cfd6ee;}
.step-num{
 flex:0 0 36px;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 font-weight:900;font-size:15px;color:#2a1a00;
 background:linear-gradient(135deg,#ffce5c,#ffa41b);
}
.step-item h3{font-size:16.5px;margin-bottom:4px;color:var(--ink);}
.step-item p{font-size:14px;color:var(--muted);}
.side-panel{
 background:linear-gradient(165deg,#252c58,#141935 84%);color:#fff;
 border:1px solid rgba(255,180,0,.34);border-radius:var(--radius-lg);
 padding:24px 22px;box-shadow:0 22px 44px rgba(20,25,53,.3);
}
.side-panel h3{font-size:18px;margin-bottom:6px;}
.side-panel .side-sub{font-size:13px;color:#a9b2d8;margin-bottom:16px;}
.session-list{display:flex;flex-direction:column;gap:11px;margin-bottom:18px;}
.session-list li{
 display:flex;justify-content:space-between;gap:10px;align-items:center;
 font-size:13.6px;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.16);
}
.session-list li:last-child{border-bottom:0;padding-bottom:0;}
.session-list b{color:#ffd479;font-weight:800;}
.session-list span{color:#aab3d6;}
.side-note{font-size:12.6px;color:#8d97c1;line-height:1.65;}
/* ============ news ============ */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;}
.news-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;
 transition:transform .22s,box-shadow .22s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8a92b4;}
.news-card h3{font-size:16.5px;color:var(--ink);}
.news-card h3 a:hover{color:#b57900;}
.news-card p{font-size:14px;color:var(--muted);}
.news-link{font-size:13.5px;font-weight:800;color:#a86c00;margin-top:auto;}
.news-link:hover{color:var(--ink);}
.empty-tip{
 background:#fff;border:1px dashed #ccd4ec;border-radius:var(--radius);
 padding:26px;text-align:center;color:var(--muted);font-size:14px;
}
.more-row{margin-top:26px;}
/* ============ assurance ============ */
.assure-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;}
.assure-item{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;
 transition:border-color .22s,transform .22s;
}
.assure-item:hover{border-color:rgba(255,180,0,.55);transform:translateY(-3px);}
.assure-icon{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);color:var(--gold);font-size:17px;font-weight:900;margin-bottom:12px;
}
.assure-item h3{font-size:16.5px;margin-bottom:6px;color:#fff;}
.assure-item p{font-size:13.8px;color:#b2bade;}
/* ============ quick answers ============ */
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px;}
.quick-card{
 background:var(--surface);border-left:4px solid var(--gold);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow-sm);
}
.quick-card h3{font-size:16px;color:var(--ink);margin-bottom:8px;}
.quick-card p{font-size:14.2px;color:var(--muted);}
/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:6px 20px;box-shadow:var(--shadow-sm);
 transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#ffd27a;box-shadow:0 10px 26px rgba(255,180,0,.16);}
.faq-item summary{
 cursor:pointer;list-style:none;padding:15px 30px 15px 0;position:relative;
 font-size:15.8px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:700;color:#a4690a;transition:transform .2s;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 0 18px;font-size:14.3px;color:var(--muted);}
/* ============ cta form ============ */
.cta-panel{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#1b2145 0%,#252d5d 62%,#2f3a72 100%);
 color:#fff;padding:40px 36px;box-shadow:0 26px 54px rgba(20,25,53,.28);
 display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.cta-panel::after{
 content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;
 background:radial-gradient(circle,rgba(255,180,0,.26),transparent 68%);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px;}
.cta-copy p{font-size:14.6px;color:#c0c8e6;margin-bottom:18px;}
.cta-points{display:flex;flex-wrap:wrap;gap:8px;}
.cta-points li{
 font-size:12.5px;color:#ffd995;border:1px solid rgba(255,180,0,.34);
 background:rgba(255,180,0,.1);padding:4px 11px;border-radius:999px;
}
.plan-form{
 position:relative;z-index:2;background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:22px 20px;
 display:flex;flex-direction:column;gap:13px;
}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:12.8px;color:#c3cbeb;font-weight:700;letter-spacing:.4px;}
.field input,.field select{
 width:100%;padding:11px 13px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
 background:rgba(12,16,38,.55);color:#fff;font-size:14px;
 transition:border-color .2s,background .2s;
}
.field input::placeholder{color:#8590b8;}
.field input:focus,.field select:focus{border-color:var(--gold);background:rgba(12,16,38,.8);outline:none;}
.form-msg{
 font-size:13px;color:#9df5e4;background:rgba(62,230,209,.12);
 border:1px solid rgba(62,230,209,.4);border-radius:10px;padding:10px 12px;
}
.form-note{font-size:12px;color:#8f9ac0;}
/* ============ footer ============ */
.site-footer{background:var(--ink-3);color:#c3cae6;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:36px;}
.brand--footer{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;color:#98a2c6;max-width:420px;}
.footer-col h3{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.6px;}
.footer-col a{display:block;font-size:14px;color:#9aa4c8;padding:5px 0;transition:color .2s,transform .2s;}
.footer-col a:hover{color:var(--gold);transform:translateX(3px);}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 border-top:1px solid rgba(255,255,255,.1);padding-top:20px;padding-bottom:26px;
 font-size:13px;color:#7f8ab0;
}
/* ============ responsive ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .bento{grid-template-columns:1fr 1fr;}
 .flow-grid{grid-template-columns:1fr;}
 .cta-panel{grid-template-columns:1fr;gap:26px;padding:32px 26px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .section{padding:58px 0;}
}
@media (max-width:768px){
 .nav-wrap{gap:12px;padding:12px 20px;}
 .site-nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
 .site-nav::-webkit-scrollbar{height:4px;}
 .site-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px;}
 .nav-link{white-space:nowrap;}
 .phase-chips{margin-left:0;order:4;width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
 .hero-stats{grid-template-columns:1fr 1fr;}
 .bento-main img{height:196px;}
 .section{padding:48px 0;}
 .section-head{margin-bottom:26px;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .cta-panel{padding:26px 20px;}
}
@media (max-width:520px){
 .brand-text{font-size:15.5px;}
 .brand-text small{letter-spacing:1.1px;}
 .hero-copy h1{font-size:26px;}
 .hero-stats{grid-template-columns:1fr;}
 .bento{grid-template-columns:1fr;}
 .bento-main img{height:172px;}
 .metric-grid,.matrix-grid,.news-grid,.assure-grid,.quick-grid{grid-template-columns:1fr;}
 .step-item{padding:16px;}
 .cta-panel{border-radius:var(--radius);}
 .btn{width:100%;}
 .hero-actions .btn{width:100%;}
 .footer-bottom{flex-direction:column;}
}