/* roulang page: index */
:root{
  --brand-1:#3b5bfd;
  --brand-2:#7c3aed;
  --brand-deep:#1b2a6b;
  --brand-soft:#eef1ff;
  --gold:#f2a91b;
  --gold-soft:#fff6e3;
  --ink:#151c2c;
  --ink-2:#3c4658;
  --muted:#6b7688;
  --line:#e6e9f2;
  --line-strong:#d7dcf5;
  --bg:#f6f7fb;
  --card:#ffffff;
  --radius-lg:24px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(21,28,44,.05),0 10px 24px -16px rgba(21,28,44,.28);
  --shadow-md:0 16px 38px -18px rgba(21,28,44,.32);
  --shadow-lg:0 30px 70px -30px rgba(21,28,44,.42);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(124,58,237,.35);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 14px 34px -22px rgba(21,28,44,.55)}
.header-inner{height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 10px 20px -10px rgba(59,91,253,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-1)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
  display:flex;align-items:center;gap:6px;
  background:#f1f3fa;border:1px solid transparent;border-radius:999px;
  padding:5px 6px 5px 14px;transition:border-color .2s ease,background .2s ease;
}
.header-search:focus-within{background:#fff;border-color:var(--line-strong)}
.header-search input{
  width:130px;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none;
}
.header-search input::placeholder{color:#98a1b3}
.header-search button{
  width:28px;height:28px;border:0;border-radius:50%;cursor:pointer;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
  display:grid;place-items:center;transition:transform .2s ease;
}
.header-search button:hover{transform:scale(1.06)}
.header-search svg{width:14px;height:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-2);margin:2.5px auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 28px -16px rgba(59,91,253,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(59,91,253,1)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}

/* ---------- hero ---------- */
.hero{padding:26px 0 0}
.hero-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.35fr .85fr;gap:36px;
  padding:44px 44px 52px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#16224f 0%,#2a3fa8 46%,#6d34d6 100%);
  box-shadow:var(--shadow-lg);
}
.hero-panel::before{
  content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
}
.hero-panel::after{
  content:"";position:absolute;width:380px;height:380px;left:-160px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,27,.28),rgba(242,169,27,0) 70%);
}
.hero-main{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.3px;
  background:rgba(255,255,255,.14);color:#e8ecff;border:1px solid rgba(255,255,255,.22);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-main h1{
  margin-top:18px;font-size:clamp(27px,3.6vw,42px);line-height:1.28;
  font-weight:800;color:#fff;letter-spacing:-.4px;
}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#dfe5ff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
}
.hero-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:16px}
.hero-badge-card{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  border-radius:18px;padding:20px 22px;color:#fff;backdrop-filter:blur(6px);
}
.hero-badge-card span{font-size:13px;color:rgba(255,255,255,.76)}
.hero-badge-card strong{display:block;font-size:44px;line-height:1.1;font-weight:800;letter-spacing:-1px;margin-top:6px}
.hero-badge-card em{display:block;font-style:normal;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px}
.hero-figure{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.24);flex:1;min-height:120px}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-md);margin:-30px auto 0;position:relative;z-index:2;
  max-width:960px;overflow:hidden;
}
.metric-strip li{padding:18px 22px;text-align:center;border-right:1px solid var(--line)}
.metric-strip li:last-child{border-right:0}
.metric-strip b{display:block;font-size:24px;font-weight:800;color:var(--brand-1);letter-spacing:-.5px}
.metric-strip span{font-size:13px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:66px 0}
.section--white{background:#fff}
.section--tint{background:linear-gradient(180deg,#f9fafe,#f2f4fb)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head h2{
  display:flex;align-items:center;gap:12px;font-size:clamp(20px,2.4vw,26px);
  letter-spacing:-.3px;font-weight:800;
}
.section-head h2::before{
  content:"";width:6px;height:24px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2));flex-shrink:0;
}
.section-head p{font-size:14.5px;color:var(--muted);max-width:520px}
.section-head--center{flex-direction:column;align-items:center;text-align:center;gap:12px}
.section-head--center p{text-align:center}

.grid{display:grid;gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card h3{font-size:16.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.2px}
.card p{font-size:14px;color:var(--muted);line-height:1.75}
.icon-badge{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--brand-soft);color:var(--brand-1);
}
.icon-badge svg{width:20px;height:20px}
.icon-badge.gold{background:var(--gold-soft);color:#b57709}

.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat-card b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.stat-card b span{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-card h3{font-size:15px;font-weight:700;margin-top:8px}
.stat-card p{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7}

/* directory */
.dir-item{
  display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dir-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.dir-index{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:var(--brand-1);background:var(--brand-soft);
}
.dir-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
.dir-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* chart */
.chart-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
.chart-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.chart-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.chart-card > p{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.bar-list li{margin-bottom:18px}
.bar-list li:last-child{margin-bottom:0}
.bar-meta{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-2);margin-bottom:7px}
.bar-meta b{color:var(--brand-1);font-weight:700}
.bar-track{height:10px;border-radius:999px;background:#eef1f8;overflow:hidden}
.bar-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));transition:width .6s ease}
.bar-fill.gold{background:linear-gradient(90deg,#f0b429,#f28c1b)}
.slot-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.slot-list li:last-child{border-bottom:0}
.slot-time{font-weight:700;color:var(--ink)}
.pill{font-size:12px;padding:3px 10px;border-radius:999px;font-weight:600}
.pill-high{background:#e9f7ef;color:#1c8c53}
.pill-mid{background:var(--gold-soft);color:#b57709}
.pill-low{background:#f0f2f8;color:#77808f}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2),rgba(124,58,237,.15));
}
.timeline li{position:relative;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-1);box-shadow:0 0 0 4px rgba(59,91,253,.1);
}
.timeline h3{font-size:16px;font-weight:700;margin-bottom:6px}
.timeline p{font-size:14px;color:var(--muted);line-height:1.75}

/* matrix */
.matrix-card{
  display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.matrix-card .dot{
  flex-shrink:0;width:8px;height:8px;margin-top:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.matrix-card h3{font-size:15px;font-weight:700;margin-bottom:4px}
.matrix-card p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* channel */
.channel-card{
  position:relative;overflow:hidden;display:block;padding:26px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.channel-card span.cnum{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  color:var(--brand-1);background:var(--brand-soft);padding:3px 10px;border-radius:999px;
}
.channel-card h3{font-size:17px;font-weight:800;margin:12px 0 8px}
.channel-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.channel-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--brand-1)}
.channel-card .go svg{width:14px;height:14px;transition:transform .2s ease}
.channel-card:hover .go svg{transform:translateX(4px)}

/* resource */
.res-card{
  overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.res-card figure{overflow:hidden;aspect-ratio:16/9}
.res-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.res-card:hover img{transform:scale(1.04)}
.res-body{padding:20px 22px 24px}
.res-body h3{font-size:16px;font-weight:700;margin-bottom:8px}
.res-body p{font-size:13.5px;color:var(--muted);line-height:1.75}
.res-tag{display:inline-block;margin-top:14px;font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-1);font-weight:600}

/* ranked list */
.rank-list li{
  display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-num{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.rank-num.gold{background:linear-gradient(135deg,#f0b429,#f28c1b)}
.rank-list h3{font-size:15px;font-weight:700;margin-bottom:4px}
.rank-list p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* quotes */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.quote-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.quote-card footer{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.avatar{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}

/* guarantee */
.guard-item{display:flex;gap:14px;align-items:flex-start}
.guard-item .icon-badge{margin-bottom:0;flex-shrink:0;width:38px;height:38px;border-radius:11px}
.guard-item h3{font-size:15px;font-weight:700;margin-bottom:5px}
.guard-item p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* updates */
.update-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.update-list li:last-child{border-bottom:0}
.update-date{flex-shrink:0;width:104px;font-size:13px;font-weight:700;color:var(--brand-1)}
.update-list h3{font-size:15px;font-weight:700;margin-bottom:4px}
.update-list p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* news */
.news-layout{display:grid;grid-template-columns:1.5fr .85fr;gap:24px;align-items:start}
.news-list{display:grid;gap:14px}
.news-card{
  display:block;padding:20px 22px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.news-top{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.news-tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-1);font-weight:600}
.news-time{font-size:12.5px;color:#98a1b3}
.news-card h3{font-size:16px;font-weight:700;margin-bottom:6px;line-height:1.55}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.side-panel h3{font-size:16px;font-weight:800;margin-bottom:14px}
.side-list li{padding:12px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{display:block;font-size:14px;color:var(--ink-2);line-height:1.65;transition:color .2s ease}
.side-list a:hover{color:var(--brand-1)}
.side-list span{display:block;font-size:12.5px;color:#98a1b3;margin-top:4px}
.empty-tip{
  padding:28px;border-radius:var(--radius);background:#fff;border:1px dashed var(--line-strong);
  color:var(--muted);font-size:14px;text-align:center;
}

/* faq */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 24px;font-size:15.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex-shrink:0;border-right:2px solid var(--brand-1);
  border-bottom:2px solid var(--brand-1);transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item p{padding:0 24px 20px;font-size:14px;color:var(--muted);line-height:1.8}

/* form */
.claim{position:relative;overflow:hidden}
.claim-box{
  display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:center;
  padding:44px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#16224f 0%,#2a3fa8 52%,#6d34d6 100%);
  box-shadow:var(--shadow-lg);position:relative;
}
.claim-box::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,27,.3),rgba(242,169,27,0) 70%);
}
.claim-copy{position:relative;z-index:1;color:#fff}
.claim-copy h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.3px;line-height:1.35}
.claim-copy p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.8)}
.claim-form{position:relative;z-index:1;background:#fff;border-radius:18px;padding:26px;box-shadow:0 24px 50px -26px rgba(0,0,0,.55)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);
  background:#fafbfe;font-size:14px;color:var(--ink);outline:none;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#a8b0c0}
.field input:focus{border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 4px rgba(59,91,253,.12)}
.claim-form .btn{width:100%;margin-top:4px}
.form-note{margin-top:12px;font-size:12.5px;color:#98a1b3;line-height:1.65}

/* footer */
.site-footer{background:#101828;color:#c6cddb;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;padding-bottom:36px}
.site-footer .brand-text{color:#fff}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:#8e99ad;max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.3px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#96a1b5;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#7d879b;
}

/* responsive */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-panel{grid-template-columns:1fr;padding:34px;gap:26px}
  .hero-side{flex-direction:row}
  .hero-badge-card{flex:1}
  .hero-figure{flex:1}
  .chart-wrap{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .claim-box{grid-template-columns:1fr;gap:28px;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:960px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:10px 18px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px -24px rgba(21,28,44,.6);margin-left:0;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:11px 14px;font-size:15px}
  .header-search{display:none}
  .nav-toggle{display:grid}
  .header-actions{margin-left:auto}
  .brand-text{font-size:15.5px}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head--center{align-items:center}
  .hero-panel{padding:26px}
  .metric-strip{grid-template-columns:repeat(2,1fr);margin-top:-22px}
  .metric-strip li{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .metric-strip li:nth-child(2n){border-right:0}
  .metric-strip li:nth-child(n+3){border-bottom:0}
  .hero-side{flex-direction:column}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .update-list li{flex-direction:column;gap:6px}
  .update-date{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .claim-box{padding:26px}
  .claim-form{padding:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-4{grid-template-columns:1fr}
  .hero-main h1{font-size:24px;line-height:1.35}
  .hero-lead{font-size:14.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .header-inner{height:60px;gap:10px}
  .main-nav{top:60px}
  .brand-text{font-size:14.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .metric-strip b{font-size:20px}
  .card,.chart-card,.side-panel,.quote-card{padding:20px}
  .faq-item summary{padding:15px 18px;font-size:14.5px}
  .faq-item p{padding:0 18px 16px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
 --brand-1:#3b5bfd;
 --brand-2:#7c3aed;
 --brand-deep:#1b2a6b;
 --brand-soft:#eef1ff;
 --gold:#f2a91b;
 --gold-soft:#fff6e3;
 --ink:#151c2c;
 --ink-2:#3c4658;
 --muted:#6b7688;
 --line:#e6e9f2;
 --line-strong:#d7dcf5;
 --bg:#f6f7fb;
 --card:#ffffff;
 --radius-lg:24px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(21,28,44,.05),0 10px 24px -16px rgba(21,28,44,.28);
 --shadow-md:0 16px 38px -18px rgba(21,28,44,.32);
 --shadow-lg:0 30px 70px -30px rgba(21,28,44,.42);
 --container:1180px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(59,91,253,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 14px 34px -22px rgba(21,28,44,.55)}
.header-inner{height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 10px 20px -10px rgba(59,91,253,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-1)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
 display:flex;align-items:center;gap:6px;background:#f1f3fa;border:1px solid transparent;
 border-radius:999px;padding:5px 6px 5px 14px;transition:border-color .2s ease,background .2s ease;
}
.header-search:focus-within{background:#fff;border-color:var(--line-strong)}
.header-search input{width:130px;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none}
.header-search input::placeholder{color:#98a1b3}
.header-search button{
 width:28px;height:28px;border:0;border-radius:50%;background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 color:#fff;display:grid;place-items:center;transition:transform .2s ease;
}
.header-search button:hover{transform:scale(1.06)}
.header-search svg{width:14px;height:14px}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
 background:#fff;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-2);margin:2.5px auto}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:600;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 28px -16px rgba(59,91,253,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(59,91,253,1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}

/* ---------- hero ---------- */
.cat-hero{padding:26px 0 0}
.hero-panel{
 position:relative;overflow:hidden;display:grid;grid-template-columns:1.18fr .82fr;gap:34px;
 padding:44px 44px 48px;border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#16224f 0%,#2a3fa8 46%,#6d34d6 100%);
 box-shadow:var(--shadow-lg);
}
.hero-panel::before{
 content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
}
.hero-panel::after{
 content:"";position:absolute;width:380px;height:380px;left:-160px;bottom:-220px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,169,27,.3),rgba(242,169,27,0) 70%);
}
.hero-main{position:relative;z-index:1}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 font-size:13px;letter-spacing:.3px;background:rgba(255,255,255,.14);color:#e8ecff;
 border:1px solid rgba(255,255,255,.22);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-main h1{
 margin-top:18px;font-size:clamp(27px,3.4vw,40px);line-height:1.28;
 font-weight:800;color:#fff;letter-spacing:-.4px;
}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
 padding:6px 14px;border-radius:999px;font-size:13px;color:#dfe5ff;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
}
/* hero rank */
.hero-rank{
 position:relative;z-index:1;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
 border-radius:18px;padding:20px 20px 16px;backdrop-filter:blur(8px);align-self:start;
}
.rank-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.rank-head h2{font-size:16px;font-weight:800;color:#fff;letter-spacing:.2px}
.rank-head span{font-size:12px;color:rgba(255,255,255,.62)}
.rank-list{display:flex;flex-direction:column;gap:9px}
.rank-list li{
 display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:11px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
 transition:background .2s ease,transform .2s ease;
}
.rank-list li:hover{background:rgba(255,255,255,.17);transform:translateX(3px)}
.rank-no{
 width:22px;height:22px;flex-shrink:0;border-radius:7px;display:grid;place-items:center;
 font-size:12px;font-weight:800;color:#1b2a6b;background:rgba(255,255,255,.82);
}
.rank-list li:nth-child(1) .rank-no{background:linear-gradient(135deg,#ffd980,#f2a91b);color:#3a2600}
.rank-list li:nth-child(2) .rank-no{background:linear-gradient(135deg,#e8edff,#c2cdf2);color:#1b2a6b}
.rank-list li:nth-child(3) .rank-no{background:linear-gradient(135deg,#ffe0c4,#e6b183);color:#4a2a0a}
.rank-name{flex:1;min-width:0;font-size:14px;color:#fff;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-meta{font-size:12px;color:rgba(255,255,255,.62);white-space:nowrap}
.rank-foot{margin-top:13px;font-size:12px;color:rgba(255,255,255,.55);line-height:1.6}

/* ---------- section basics ---------- */
.section{padding:64px 0}
.section-tight{padding:52px 0}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;
 color:var(--brand-1);letter-spacing:.4px;text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2))}
.section-head h2{margin-top:12px;font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;letter-spacing:-.3px}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.section-head-row .section-head{margin-bottom:0}

/* ---------- metric bar ---------- */
.metric-band{padding:0 0 4px;margin-top:-28px;position:relative;z-index:5}
.metric-grid{
 display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;
 border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md);overflow:hidden;
}
.metric-item{padding:22px 24px;border-right:1px solid var(--line)}
.metric-item:last-child{border-right:0}
.metric-item span{display:block;font-size:13px;color:var(--muted)}
.metric-item strong{
 display:block;margin-top:6px;font-size:28px;font-weight:800;letter-spacing:-.6px;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-item em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.scene-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;color:var(--brand-1);
 background:var(--brand-soft);margin-bottom:16px;
}
.scene-icon svg{width:22px;height:22px}
.scene-card h3{font-size:17px;font-weight:800;line-height:1.45}
.scene-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
 padding:4px 11px;border-radius:999px;font-size:12.5px;color:var(--brand-deep);
 background:var(--brand-soft);border:1px solid #dfe5ff;
}
.chip-gold{background:var(--gold-soft);border-color:#ffe3ad;color:#8a5b00}

/* ---------- directory ---------- */
.dir-list{display:flex;flex-direction:column;gap:12px}
.dir-row{
 display:grid;grid-template-columns:56px minmax(0,1.5fr) minmax(0,1fr) 130px 96px;
 align-items:center;gap:18px;padding:18px 22px;background:#fff;
 border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dir-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.dir-code{
 font-size:13px;font-weight:800;color:var(--brand-1);background:var(--brand-soft);
 border-radius:9px;padding:7px 0;text-align:center;letter-spacing:.4px;
}
.dir-main h3{font-size:16px;font-weight:800}
.dir-main p{margin-top:4px;font-size:13.5px;color:var(--muted);line-height:1.65}
.dir-area{font-size:14px;color:var(--ink-2)}
.dir-area span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.dir-time{font-size:14px;font-weight:700;color:var(--ink)}
.dir-time span{display:block;font-size:12.5px;font-weight:400;color:var(--muted)}
.badge{
 display:inline-flex;align-items:center;justify-content:center;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;white-space:nowrap;
}
.badge-low{background:#e8f7ee;color:#1c7a45;border:1px solid #c7ecda}
.badge-mid{background:var(--gold-soft);color:#8a5b00;border:1px solid #ffe3ad}
.badge-high{background:#fdecec;color:#a82f2f;border:1px solid #f7d4d4}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(160deg,rgba(27,42,107,.35),rgba(109,52,214,.15) 60%,rgba(27,42,107,.5));
}
.split-media figcaption{
 position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
 background:rgba(12,20,52,.62);border:1px solid rgba(255,255,255,.24);
 color:#fff;font-size:13px;line-height:1.65;padding:11px 14px;border-radius:11px;backdrop-filter:blur(6px);
}
.split-body h2{font-size:clamp(21px,2.2vw,28px);font-weight:800;line-height:1.4;letter-spacing:-.3px}
.split-body p{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.85}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.check-list .tick{
 flex-shrink:0;width:20px;height:20px;border-radius:7px;display:grid;place-items:center;margin-top:3px;
 background:var(--brand-soft);color:var(--brand-1);
}
.check-list .tick svg{width:12px;height:12px}
.check-list strong{color:var(--ink)}

/* ---------- flow steps ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.flow-num{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 12px 22px -14px rgba(59,91,253,.95);
}
.flow-step h3{margin-top:14px;font-size:16px;font-weight:800}
.flow-step p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.78}
.flow-step::after{
 content:"";position:absolute;top:40px;right:-14px;width:10px;height:2px;border-radius:2px;
 background:var(--line-strong);
}
.flow-step:last-child::after{display:none}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
 border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);
}
.compare-card h3{font-size:16px;font-weight:800;display:flex;align-items:center;gap:9px}
.compare-card h3 i{
 width:9px;height:9px;border-radius:50%;display:inline-block;font-style:normal;
}
.compare-card.is-bad h3 i{background:#e05a5a}
.compare-card.is-good h3 i{background:#2fa86d}
.compare-card.is-bad{border-color:#f4dede;background:linear-gradient(180deg,#fffafa,#fff)}
.compare-card.is-good{border-color:#d8efe3;background:linear-gradient(180deg,#f7fdfa,#fff)}
.compare-card ul{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.compare-card li{font-size:14.5px;color:var(--ink-2);line-height:1.78;padding-left:15px;position:relative}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--line-strong)}
.compare-card.is-bad li::before{background:#f0b9b9}
.compare-card.is-good li::before{background:#a8dcc1}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.news-cat{padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.news-card h3{font-size:16px;font-weight:800;line-height:1.6;transition:color .2s ease}
.news-card:hover h3{color:var(--brand-1)}
.news-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75}
.news-more{margin-top:18px;font-size:13.5px;font-weight:700;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}
.news-more svg{width:14px;height:14px;transition:transform .2s ease}
.news-card:hover .news-more svg{transform:translateX(3px)}
.news-empty{
 padding:36px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius);
 background:#fff;text-align:center;color:var(--muted);font-size:15px;
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 24px;display:flex;align-items:center;gap:14px;
 font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";margin-left:auto;font-size:20px;font-weight:400;color:var(--brand-1);
 transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 24px 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.faq-q-mark{
 width:26px;height:26px;flex-shrink:0;border-radius:8px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);font-size:13px;font-weight:800;
}

/* ---------- claim ---------- */
.claim-panel{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:44px;
 background:linear-gradient(135deg,#16224f 0%,#2a3fa8 52%,#6d34d6 100%);
 box-shadow:var(--shadow-lg);display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.claim-panel::before{
 content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,169,27,.32),rgba(242,169,27,0) 70%);
}
.claim-copy{position:relative;z-index:1}
.claim-copy h2{font-size:clamp(22px,2.6vw,31px);font-weight:800;color:#fff;line-height:1.38;letter-spacing:-.3px}
.claim-copy p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82);line-height:1.85}
.claim-copy .tag-row{margin-top:20px}
.claim-form{
 position:relative;z-index:1;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
 border-radius:18px;padding:24px;backdrop-filter:blur(8px);
}
.claim-form label{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:7px}
.claim-form input{
 width:100%;padding:11px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.3);
 background:rgba(255,255,255,.94);color:var(--ink);font-size:14.5px;outline:none;
}
.claim-form input::placeholder{color:#9aa3b5}
.claim-form input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.claim-field{margin-bottom:14px}
.claim-form .btn{width:100%}
.claim-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.65}

/* ---------- footer ---------- */
.site-footer{background:#0f1730;color:#c4ccdf;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#9aa5bf;max-width:380px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:#9aa5bf;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13px;color:#7f8aa5;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-panel{grid-template-columns:1fr;padding:36px 32px 38px}
 .hero-rank{max-width:520px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .metric-item:nth-child(2){border-right:0}
 .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid var(--line)}
 .grid-3,.news-grid{grid-template-columns:repeat(2,1fr)}
 .split{grid-template-columns:1fr;gap:28px}
 .flow-grid{grid-template-columns:repeat(2,1fr)}
 .flow-step::after{display:none}
 .dir-row{grid-template-columns:48px 1fr 100px;gap:14px}
 .dir-area{display:none}
 .header-search{display:none}
}
@media (max-width:768px){
 .header-inner{height:60px}
 .main-nav{
  position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;
  gap:4px;padding:12px 16px 16px;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 20px 32px -24px rgba(21,28,44,.6);display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:11px 14px;font-size:15px}
 .nav-toggle{display:grid}
 .header-actions .btn-sm{display:none}
 .hero-main h1{font-size:26px}
 .section{padding:48px 0}
 .claim-panel{grid-template-columns:1fr;padding:32px 24px}
 .compare-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-text{font-size:15px}
 .hero-panel{padding:28px 20px 30px;border-radius:18px}
 .hero-badge-card strong{font-size:34px}
 .metric-grid{grid-template-columns:1fr}
 .metric-item{border-right:0;border-bottom:1px solid var(--line)}
 .metric-item:last-child{border-bottom:0}
 .grid-3,.news-grid,.flow-grid{grid-template-columns:1fr}
 .dir-row{grid-template-columns:44px 1fr;padding:16px}
 .dir-time{grid-column:1/-1;display:flex;gap:10px;align-items:baseline}
 .dir-time span{display:inline}
 .badge{justify-self:start;margin-top:4px;grid-column:2}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item .faq-body{padding:0 18px 18px}
 .footer-grid{grid-template-columns:1fr}
 .btn{width:100%}
 .hero-actions .btn{width:auto}
 .claim-form .btn{width:100%}
}

/* roulang page: article */
:root{
 --brand-1:#3b5bfd;
 --brand-2:#7c3aed;
 --brand-deep:#1b2a6b;
 --brand-soft:#eef1ff;
 --gold:#f2a91b;
 --gold-soft:#fff6e3;
 --ink:#151c2c;
 --ink-2:#3c4658;
 --muted:#6b7688;
 --line:#e6e9f2;
 --line-strong:#d7dcf5;
 --bg:#f6f7fb;
 --card:#ffffff;
 --radius-lg:24px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(21,28,44,.05),0 10px 24px -16px rgba(21,28,44,.28);
 --shadow-md:0 16px 38px -18px rgba(21,28,44,.32);
 --shadow-lg:0 30px 70px -30px rgba(21,28,44,.42);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 14px 34px -22px rgba(21,28,44,.55)}
.header-inner{height:64px;display:flex;align-items:center;gap:16px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 10px 20px -10px rgba(59,91,253,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-1)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
 display:flex;align-items:center;gap:6px;
 background:#f1f3fa;border:1px solid transparent;border-radius:999px;
 padding:5px 6px 5px 14px;transition:border-color .2s ease,background .2s ease;
}
.header-search:focus-within{background:#fff;border-color:var(--line-strong)}
.header-search input{
 width:130px;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none;
}
.header-search input::placeholder{color:#98a1b3}
.header-search button{
 width:28px;height:28px;border:0;border-radius:50%;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
 display:grid;place-items:center;transition:transform .2s ease;
}
.header-search button:hover{transform:scale(1.06)}
.header-search svg{width:14px;height:14px}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
 background:#fff;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-2);margin:2.5px auto;transition:transform .2s ease}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:600;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 28px -16px rgba(59,91,253,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(59,91,253,1)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,#f7bd42,var(--gold));color:#2b1d02;box-shadow:0 14px 28px -16px rgba(242,169,27,.95)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(242,169,27,1)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ---------- article hero ---------- */
.article-hero{padding:34px 0 8px}
.hero-top{max-width:820px;margin:0 auto;text-align:center}
.crumb{display:flex;justify-content:center;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap}
.crumb a{color:var(--brand-1)}
.crumb span.dot{color:#c3c9d8}
.pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-1);border:1px solid var(--line-strong);
}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.article-hero h1{
 margin:16px 0 0;font-size:clamp(26px,3.5vw,40px);line-height:1.32;
 letter-spacing:-.5px;font-weight:800;color:var(--ink);
}
.hero-sub{margin:14px auto 0;max-width:700px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}
.hero-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta-chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
 font-size:13px;color:var(--muted);box-shadow:var(--shadow-sm);
}
.meta-chip strong{color:var(--ink-2);font-weight:700}

/* stage */
.stage-wrap{
 display:grid;grid-template-columns:200px minmax(0,1fr) 200px;
 gap:20px;align-items:center;margin-top:34px;
}
.stage-side{display:grid;gap:14px}
.mini-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:14px 16px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.mini-card strong{display:block;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.4px}
.mini-card span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.stage-shot{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 background:linear-gradient(135deg,#16224f,#2a3fa8 52%,#6d34d6);
 box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.18);
}
.stage-shot img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.94}
.stage-shot::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(10,16,38,0) 40%,rgba(10,16,38,.72) 100%);
}
.shot-caption{
 position:absolute;left:0;right:0;bottom:0;z-index:2;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:18px 22px;color:#fff;
}
.shot-caption p{margin:0;font-size:14px;color:rgba(255,255,255,.85);line-height:1.6}
.shot-badge{
 position:absolute;top:16px;left:16px;z-index:2;
 padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:700;
 background:rgba(255,255,255,.9);color:var(--brand-deep);
}

/* ---------- section ---------- */
.section{padding:56px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:28px;max-width:760px}
.section-head h2{
 margin:0;font-size:26px;line-height:1.4;letter-spacing:-.3px;
 display:flex;align-items:center;gap:12px;color:var(--ink);
}
.section-head h2::before{
 content:"";width:6px;height:24px;border-radius:6px;flex-shrink:0;
 background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.section-head p{margin:10px 0 0 18px;color:var(--muted);font-size:15px;line-height:1.8}

/* ---------- stat board ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.stat-card .label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.stat-card .label i{width:8px;height:8px;border-radius:3px;background:var(--brand-1);display:inline-block}
.stat-card strong{display:block;margin-top:10px;font-size:30px;line-height:1.15;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.stat-card strong em{font-style:normal;font-size:15px;font-weight:700;color:var(--muted);margin-left:3px}
.stat-card p{margin:8px 0 0;font-size:13.5px;color:var(--ink-2);line-height:1.7}

/* ---------- article body ---------- */
.article-shell{max-width:860px;margin:0 auto}
.article-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:38px 42px;
}
.prose{font-size:16px;line-height:1.85;color:var(--ink-2);word-break:break-word}
.prose>*:first-child{margin-top:0}
.prose h2{
 font-size:23px;line-height:1.45;color:var(--ink);margin:34px 0 14px;
 padding-left:15px;position:relative;
}
.prose h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
 background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.prose h3{font-size:18px;color:var(--ink);margin:26px 0 10px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink);font-weight:700}
.prose a{color:var(--brand-1);border-bottom:1px solid rgba(59,91,253,.32)}
.prose a:hover{border-bottom-color:var(--brand-1)}
.prose img{border-radius:14px;margin:20px 0;box-shadow:var(--shadow-sm)}
.prose blockquote{
 margin:20px 0;padding:16px 20px;border-radius:0 12px 12px 0;
 background:var(--brand-soft);border-left:4px solid var(--brand-1);color:var(--ink-2);
}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:#f4f6fd;color:var(--ink);font-weight:700}
.empty-state{padding:26px 0;text-align:center}
.empty-state h2{font-size:22px;margin:0 0 12px;color:var(--ink)}
.empty-state p{margin:0 auto 22px;max-width:460px;color:var(--muted);font-size:15px}

/* ---------- data table ---------- */
.table-wrap{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.data-table thead th{
 background:#f4f6fd;color:var(--ink);font-weight:700;font-size:13.5px;
 letter-spacing:.3px;padding:14px 20px;text-align:left;white-space:nowrap;
 border-bottom:1px solid var(--line);
}
.data-table tbody td{padding:15px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr{transition:background .2s ease}
.data-table tbody tr:hover{background:#fafbff}
.data-table td:first-child{color:var(--ink);font-weight:700}
.tag-mini{
 display:inline-block;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:700;
 background:var(--brand-soft);color:var(--brand-1);
}
.tag-mini.mid{background:var(--gold-soft);color:#8a5c00}
.tag-mini.low{background:#eef0f5;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:14px}
.timeline-item{
 position:relative;padding:18px 22px 18px 66px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.timeline-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.timeline-num{
 position:absolute;left:20px;top:18px;width:30px;height:30px;border-radius:50%;
 display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 8px 18px -8px rgba(59,91,253,.95);
}
.timeline-item h3{margin:0 0 6px;font-size:16.5px;color:var(--ink)}
.timeline-item p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- cards grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:22px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card .card-icon{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);margin-bottom:14px;
}
.card .card-icon svg{width:20px;height:20px}
.card h3{margin:0 0 8px;font-size:17px;color:var(--ink);line-height:1.45}
.card p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.card .card-tag{
 display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:700;background:var(--gold-soft);color:#8a5c00;
}

/* ---------- update log ---------- */
.log-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.log-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:20px 26px;border-bottom:1px solid var(--line)}
.log-row:last-child{border-bottom:0}
.log-row .log-time{font-size:13.5px;font-weight:700;color:var(--brand-1);letter-spacing:.2px}
.log-row .log-text{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.log-row .log-text b{color:var(--ink)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;
 display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--brand-1);transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- claim ---------- */
.claim-card{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.08fr .92fr;gap:34px;
 padding:42px;border-radius:var(--radius-lg);color:#fff;
 background:linear-gradient(135deg,#16224f 0%,#2a3fa8 52%,#6d34d6 100%);
 box-shadow:var(--shadow-lg);
}
.claim-card::before{
 content:"";position:absolute;width:460px;height:460px;right:-180px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);
}
.claim-card::after{
 content:"";position:absolute;width:340px;height:340px;left:-150px;bottom:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,169,27,.3),rgba(242,169,27,0) 70%);
}
.claim-main{position:relative;z-index:1}
.claim-main h2{margin:0;font-size:clamp(22px,2.6vw,30px);line-height:1.4;letter-spacing:-.4px}
.claim-main p{margin:14px 0 0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:520px}
.claim-points{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px}
.claim-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86)}
.claim-points li::before{
 content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);
 margin-top:9px;flex-shrink:0;
}
.claim-form{
 position:relative;z-index:1;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);
 border-radius:18px;padding:24px;backdrop-filter:blur(6px);
}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:6px;font-weight:600}
.field input{
 width:100%;padding:11px 14px;border-radius:10px;
 border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.14);
 color:#fff;outline:none;transition:border-color .2s ease,background .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.55)}
.field input:focus{border-color:#fff;background:rgba(255,255,255,.24)}
.form-hint{margin:12px 0 0;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:#0f1730;color:rgba(255,255,255,.72);margin-top:64px;padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:36px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px}
.footer-col h4{margin:0 0 14px;font-size:15px;color:#fff;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom p{margin:0}
.site-footer .brand-mark{box-shadow:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
 .stage-wrap{grid-template-columns:1fr;gap:16px}
 .stage-side{grid-template-columns:repeat(2,1fr);grid-auto-rows:1fr}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .header-search{display:none}
}
@media (max-width:900px){
 .main-nav{
  position:absolute;top:64px;left:0;right:0;margin-left:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 24px 40px -28px rgba(21,28,44,.6);
  padding:10px 22px 16px;display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:11px 12px}
 .nav-toggle{display:grid}
 .header-actions .btn-sm{display:none}
 .article-panel{padding:26px 22px}
 .claim-card{grid-template-columns:1fr;padding:32px 26px}
 .section{padding:44px 0}
}
@media (max-width:768px){
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-brand{grid-column:1 / -1}
 .log-row{grid-template-columns:1fr;gap:6px;padding:18px 20px}
 .section-head h2{font-size:22px}
 .section-head p{margin-left:0}
 .stat-grid{gap:12px}
 .stat-card{padding:18px}
 .stat-card strong{font-size:26px}
}
@media (max-width:560px){
 .container{padding:0 16px}
 .article-hero{padding:22px 0 4px}
 .hero-top{text-align:left}
 .crumb{justify-content:flex-start}
 .hero-sub{font-size:15px}
 .hero-meta{justify-content:flex-start}
 .stage-side{grid-template-columns:1fr}
 .shot-caption{flex-direction:column;align-items:flex-start;gap:6px;padding:14px 16px}
 .card-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr}
 .brand-text{font-size:15px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .btn{width:100%}
 .header-actions .btn,.nav-toggle{width:auto}
 .claim-card{padding:26px 20px}
}

/* roulang page: category3 */
:root{
 --brand-1:#3b5bfd;
 --brand-2:#7c3aed;
 --brand-deep:#1b2a6b;
 --brand-soft:#eef1ff;
 --gold:#f2a91b;
 --gold-soft:#fff6e3;
 --ink:#151c2c;
 --ink-2:#3c4658;
 --muted:#6b7688;
 --line:#e6e9f2;
 --line-strong:#d7dcf5;
 --bg:#f6f7fb;
 --card:#ffffff;
 --radius-lg:24px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-sm:0 1px 2px rgba(21,28,44,.05),0 10px 24px -16px rgba(21,28,44,.28);
 --shadow-md:0 16px 38px -18px rgba(21,28,44,.32);
 --shadow-lg:0 30px 70px -30px rgba(21,28,44,.42);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 font-size:16px;
 line-height:1.75;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 14px 34px -22px rgba(21,28,44,.55)}
.header-inner{height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 10px 20px -10px rgba(59,91,253,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-1)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
 display:flex;align-items:center;gap:6px;
 background:#f1f3fa;border:1px solid transparent;border-radius:999px;
 padding:5px 6px 5px 14px;transition:border-color .2s ease,background .2s ease;
}
.header-search:focus-within{background:#fff;border-color:var(--line-strong)}
.header-search input{
 width:130px;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none;
}
.header-search input::placeholder{color:#98a1b3}
.header-search button{
 width:28px;height:28px;border:0;border-radius:50%;cursor:pointer;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
 display:grid;place-items:center;transition:transform .2s ease;
}
.header-search button:hover{transform:scale(1.06)}
.header-search svg{width:14px;height:14px}
.nav-toggle{
 display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
 background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-2);margin:2.5px auto}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 28px -16px rgba(59,91,253,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(59,91,253,1)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}
.btn:active{transform:translateY(0)}
/* ---------- section base ---------- */
.section{padding:64px 0}
.section--white{background:#fff}
.section--soft{background:linear-gradient(180deg,#f6f7fb 0%,#eef1ff 130%)}
.section-head{max-width:800px;margin-bottom:34px}
.section-title{
 display:flex;align-items:center;gap:12px;
 margin:0 0 12px;font-size:clamp(22px,2.4vw,29px);font-weight:800;letter-spacing:-.3px;line-height:1.35;
}
.section-title::before{
 content:"";width:6px;height:26px;border-radius:3px;flex:0 0 6px;
 background:linear-gradient(180deg,var(--brand-1),var(--brand-2));
}
.section-sub{margin:0;color:var(--muted);font-size:15px;line-height:1.85}
/* ---------- hero ---------- */
.hero-cat{padding:30px 0 6px}
.hero-shell{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.3fr .95fr;gap:34px;
 padding:42px;border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#ffffff 0%,#f0f3ff 52%,#fff8ea 100%);
 border:1px solid var(--line);
 box-shadow:var(--shadow-md);
}
.hero-shell::before{
 content:"";position:absolute;width:420px;height:420px;right:-160px;top:-190px;border-radius:50%;
 background:radial-gradient(circle,rgba(59,91,253,.16),rgba(59,91,253,0) 70%);
}
.hero-main{position:relative;z-index:1}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.3px;
 background:#fff;color:var(--brand-1);border:1px solid var(--line-strong);
 box-shadow:var(--shadow-sm);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-main h1{
 margin:18px 0 0;font-size:clamp(26px,3.3vw,38px);line-height:1.3;
 font-weight:800;letter-spacing:-.5px;color:var(--ink);
}
.hero-lead{margin:16px 0 0;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
 padding:6px 14px;border-radius:999px;font-size:13px;color:var(--brand-deep);
 background:var(--brand-soft);border:1px solid var(--line-strong);
}
.hero-quick{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.quick-card{
 display:flex;flex-direction:column;gap:8px;
 padding:18px;border-radius:var(--radius);background:#fff;
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.quick-icon{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);
}
.quick-icon svg{width:17px;height:17px}
.quick-card strong{font-size:14.5px;line-height:1.5}
.quick-card span{font-size:12.5px;color:var(--muted);line-height:1.6}
/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.stat-num{
 font-size:34px;font-weight:800;letter-spacing:-1.2px;line-height:1.1;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:8px;font-weight:700;font-size:15px}
.stat-note{margin-top:4px;font-size:13px;color:var(--muted);line-height:1.65}
/* ---------- pitfall cards ---------- */
.pit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pit-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);margin-bottom:14px;
}
.card-icon svg{width:20px;height:20px}
.card-title{margin:0 0 8px;font-size:16.5px;font-weight:800;line-height:1.5}
.card-text{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.8}
.chip{
 display:inline-flex;align-items:center;
 margin-top:14px;padding:4px 11px;border-radius:999px;
 font-size:12.5px;background:var(--gold-soft);color:#8a5a00;border:1px solid #f7e2b5;
}
/* ---------- matrix ---------- */
.matrix{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.matrix-row{display:grid;grid-template-columns:1.05fr 1fr 1.35fr;transition:background .2s ease}
.matrix-row>div{padding:16px 22px;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.75}
.matrix-head{background:var(--brand-soft);font-weight:800;color:var(--brand-deep);font-size:14px}
.matrix-head>div{font-weight:800}
.matrix-row:last-child>div{border-bottom:0}
.matrix-row:not(.matrix-head):hover{background:#fafbff}
.matrix-row .cell-key{font-weight:700;color:var(--ink)}
/* ---------- flow ---------- */
.flow-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.flow-figure{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff;
}
.flow-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.flow-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:16px 20px;font-size:13px;color:#fff;
 background:linear-gradient(180deg,rgba(15,21,38,0),rgba(15,21,38,.82));
}
.flow{display:grid;gap:14px}
.flow-step{
 display:flex;gap:16px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.step-idx{
 flex:0 0 36px;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 10px 20px -12px rgba(59,91,253,.95);
}
.step-body h3{margin:0 0 6px;font-size:15.5px;font-weight:800}
.step-body p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}
/* ---------- updates ---------- */
.update-list{display:grid;gap:14px}
.update-item{
 display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.update-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.update-ver{
 font-weight:800;font-size:13.5px;color:var(--brand-1);
 background:var(--brand-soft);border-radius:999px;padding:5px 14px;
 display:inline-flex;justify-self:start;white-space:nowrap;
}
.update-text{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.update-text strong{color:var(--ink)}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.news-card h3{margin:0;font-size:16px;font-weight:800;line-height:1.6}
.news-card p{
 margin:0;font-size:14px;color:var(--muted);line-height:1.75;
 display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
 display:flex;justify-content:space-between;align-items:center;gap:10px;
 margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
 font-size:12.5px;color:var(--muted);
}
.news-meta span{color:var(--brand-1);background:var(--brand-soft);padding:3px 10px;border-radius:999px}
.empty-note{
 margin:0;padding:26px;border-radius:var(--radius);background:#fff;
 border:1px dashed var(--line-strong);color:var(--muted);font-size:14.5px;text-align:center;
}
/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check-item{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.check-icon{
 flex:0 0 34px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
 background:#e9f7ee;color:#1c8a4b;
}
.check-icon svg{width:16px;height:16px}
.check-item h3{margin:0 0 4px;font-size:15px;font-weight:800}
.check-item p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.75}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:18px 34px 18px 0;font-size:15.5px;font-weight:800;line-height:1.65;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:0;top:15px;
 font-size:22px;font-weight:400;line-height:1;color:var(--brand-1);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0 0 20px;font-size:14.5px;color:var(--ink-2);line-height:1.85}
/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
 padding:44px;border-radius:var(--radius-lg);
 background:linear-gradient(135deg,#16224f 0%,#2a3fa8 52%,#6d34d6 100%);
 color:#fff;box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;width:460px;height:460px;right:-170px;bottom:-220px;border-radius:50%;
 background:radial-gradient(circle,rgba(242,169,27,.28),rgba(242,169,27,0) 70%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{margin:0 0 14px;font-size:clamp(22px,2.5vw,30px);font-weight:800;letter-spacing:-.4px;line-height:1.4}
.cta-copy p{margin:0;font-size:15px;line-height:1.9;color:rgba(255,255,255,.82);max-width:540px}
.claim-form{
 position:relative;z-index:1;
 display:grid;gap:12px;padding:24px;border-radius:18px;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
 backdrop-filter:blur(6px);
}
.claim-form label{font-size:13px;color:rgba(255,255,255,.82)}
.form-field input{
 width:100%;padding:12px 16px;border-radius:10px;
 border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.14);
 color:#fff;outline:none;transition:border-color .2s ease,background .2s ease;
}
.form-field input::placeholder{color:rgba(255,255,255,.62)}
.form-field input:focus{border-color:#fff;background:rgba(255,255,255,.22)}
.form-note{margin:0;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.68)}
/* ---------- footer ---------- */
.site-footer{background:#0f1526;color:#c8cfe6;padding:56px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.85;color:#9aa4c0;max-width:360px}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.4px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9aa4c0;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
 margin-top:38px;padding:18px 0 26px;
 border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#8891ad;
}
.footer-bottom p{margin:0}
/* ---------- responsive ---------- */
@media (max-width:1080px){
 .header-search input{width:100px}
 .hero-shell{grid-template-columns:1fr;padding:34px}
 .hero-quick{grid-template-columns:1fr 1fr}
 .stat-grid{grid-template-columns:1fr 1fr}
 .pit-grid{grid-template-columns:1fr 1fr}
 .news-grid{grid-template-columns:1fr 1fr}
 .flow-wrap{grid-template-columns:1fr;gap:26px}
 .cta-band{grid-template-columns:1fr;padding:34px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
 .header-search{display:none}
 .nav-toggle{display:grid}
 .main-nav{
  position:absolute;left:0;right:0;top:64px;margin-left:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border-bottom:1px solid var(--line);
  padding:12px 22px 18px;display:none;
  box-shadow:0 18px 34px -24px rgba(21,28,44,.55);
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:11px 14px;font-size:15px}
 .matrix-row{grid-template-columns:1fr}
 .matrix-row>div{padding:12px 18px;border-bottom:1px solid var(--line)}
 .matrix-row .cell-key{background:#fafbff;font-size:14px}
 .matrix-head{display:none}
 .matrix-row>div::before{
  content:attr(data-label);display:block;
  font-size:12px;color:var(--muted);font-weight:700;margin-bottom:2px;
 }
 .matrix-head>div::before{content:none}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .hero-cat{padding:20px 0 0}
 .hero-shell{padding:26px;border-radius:18px}
 .hero-main h1{font-size:26px}
 .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
 .pit-grid{grid-template-columns:1fr;gap:16px}
 .news-grid{grid-template-columns:1fr}
 .check-grid{grid-template-columns:1fr}
 .update-item{grid-template-columns:1fr;gap:10px;padding:18px}
 .cta-band{padding:26px;border-radius:18px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-text{font-size:15.5px}
 .hero-quick{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .nav-toggle{width:38px;height:38px}
 .section-title{font-size:21px}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
:root{
  --brand-1:#3b5bfd;
  --brand-2:#7c3aed;
  --brand-deep:#1b2a6b;
  --brand-soft:#eef1ff;
  --gold:#f2a91b;
  --gold-soft:#fff6e3;
  --ink:#151c2c;
  --ink-2:#3c4658;
  --muted:#6b7688;
  --line:#e6e9f2;
  --line-strong:#d7dcf5;
  --bg:#f6f7fb;
  --card:#ffffff;
  --radius-lg:24px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(21,28,44,.05),0 10px 24px -16px rgba(21,28,44,.28);
  --shadow-md:0 16px 38px -18px rgba(21,28,44,.32);
  --shadow-lg:0 30px 70px -30px rgba(21,28,44,.42);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 14px 34px -22px rgba(21,28,44,.55)}
.header-inner{position:relative;height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 10px 20px -10px rgba(59,91,253,.9);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-1)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-search{
  display:flex;align-items:center;gap:6px;
  background:#f1f3fa;border:1px solid transparent;border-radius:999px;
  padding:5px 6px 5px 14px;transition:border-color .2s ease,background .2s ease;
}
.header-search:focus-within{background:#fff;border-color:var(--line-strong)}
.header-search input{width:130px;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none}
.header-search input::placeholder{color:#98a1b3}
.header-search button{
  width:28px;height:28px;border:0;border-radius:50%;cursor:pointer;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;
  display:grid;place-items:center;transition:transform .2s ease;
}
.header-search button:hover{transform:scale(1.06)}
.header-search svg{width:14px;height:14px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink-2);margin:2.5px auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 14px 28px -16px rgba(59,91,253,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 34px -16px rgba(59,91,253,1)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.42);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:9px}

/* ---------- page hero ---------- */
.page-hero{padding:26px 0 0}
.hero-suite{display:grid;grid-template-columns:1.6fr 1fr;gap:18px;align-items:start}
.hero-card-main{
  position:relative;overflow:hidden;color:#fff;
  border-radius:var(--radius-lg);padding:40px 42px 42px;
  background:linear-gradient(140deg,#16224f 0%,#2a3fa8 48%,#6d34d6 100%);
  box-shadow:var(--shadow-lg);
}
.hero-card-main::before{
  content:"";position:absolute;width:460px;height:460px;right:-180px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2),rgba(255,255,255,0) 68%);
}
.hero-card-main::after{
  content:"";position:absolute;width:320px;height:320px;left:-140px;bottom:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,27,.3),rgba(242,169,27,0) 70%);
}
.hero-inner{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.3px;
  background:rgba(255,255,255,.14);color:#e8ecff;border:1px solid rgba(255,255,255,.22);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-card-main h1{
  margin-top:18px;font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:800;color:#fff;
}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#dfe5ff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
}
.hero-side-stack{display:grid;gap:18px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.side-card:nth-child(2){margin-left:26px}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.side-label{font-size:13px;color:var(--muted);letter-spacing:.3px}
.side-num{
  display:block;margin-top:6px;font-size:36px;line-height:1.15;font-weight:800;letter-spacing:-1px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.side-note{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- sections ---------- */
.section{padding:66px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:30px}
.section-kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;
  color:var(--brand-1);letter-spacing:.6px;
}
.section-kicker::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}
.section-head h2{margin-top:10px;font-size:clamp(21px,2.6vw,29px);font-weight:800;color:var(--ink)}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}
.section-footnote{margin-top:18px;font-size:13.5px;color:var(--muted)}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.card-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-1);margin-bottom:14px;
}
.card-icon svg{width:20px;height:20px}
.card h3{font-size:16.5px;font-weight:700;color:var(--ink)}
.card p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.75}
.tag-mini{
  display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--gold-soft);color:#8a5b00;
}
.tag-mini.blue{background:var(--brand-soft);color:var(--brand-1)}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.stat-num{
  display:block;font-size:32px;font-weight:800;line-height:1.2;letter-spacing:-1px;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:4px;font-size:14.5px;font-weight:700;color:var(--ink)}
.stat-desc{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- distribution ---------- */
.dist-panel{
  margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
}
.dist-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px}
.dist-row{
  display:grid;grid-template-columns:130px 1fr 58px;gap:14px;align-items:center;
  margin-bottom:12px;font-size:13.5px;color:var(--ink-2);
}
.dist-row:last-child{margin-bottom:0}
.dist-track{height:10px;border-radius:999px;background:#eef1f8;overflow:hidden}
.dist-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));transition:width .5s ease}
.dist-fill.warm{background:linear-gradient(90deg,var(--gold),#f2c14e)}
.dist-val{text-align:right;font-weight:700;color:var(--brand-deep)}

/* ---------- media row ---------- */
.media-row{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center;margin-top:28px}
.media-figure{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-md);background:#fff;
}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-body h3{font-size:20px;font-weight:800;color:var(--ink)}
.media-body p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);
}
.check-list li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--brand-soft);
  box-shadow:inset 0 0 0 4px #fff, 0 0 0 1px var(--line-strong);
}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.compare-card.is-new{border-color:var(--line-strong);box-shadow:var(--shadow-md);background:linear-gradient(180deg,#fbfcff,#fff)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.compare-head h3{font-size:17px;font-weight:800;color:var(--ink)}
.badge{
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:#eef0f6;color:var(--muted);
}
.badge.is-brand{background:var(--brand-soft);color:var(--brand-1)}
.compare-list li{
  display:flex;justify-content:space-between;gap:14px;align-items:baseline;
  padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-val{font-weight:800;color:var(--brand-deep);font-size:15px}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tl-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:28px;padding:0 10px;border-radius:9px;
  font-size:13px;font-weight:800;letter-spacing:.5px;
  background:var(--brand-soft);color:var(--brand-1);
}
.tl-item h3{margin-top:14px;font-size:16px;font-weight:700;color:var(--ink)}
.tl-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75}
.tl-time{display:inline-block;margin-top:14px;font-size:12.5px;font-weight:600;color:#8a5b00;background:var(--gold-soft);border-radius:999px;padding:4px 11px}

/* ---------- split / updates ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:start}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
}
.panel h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:6px}
.panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.update-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.update-list li:last-child{border-bottom:0;padding-bottom:0}
.update-ver{
  flex-shrink:0;height:26px;padding:0 10px;border-radius:8px;display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:700;background:var(--brand-soft);color:var(--brand-1);
}
.update-text{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.risk-list li{
  position:relative;padding-left:20px;margin-bottom:12px;font-size:14.5px;color:var(--ink-2);line-height:1.75;
}
.risk-list li:last-child{margin-bottom:0}
.risk-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--gold),#f2c14e);
}

/* ---------- news list ---------- */
.news-list{display:grid;gap:14px}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--muted)}
.news-cat{padding:3px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-1);font-weight:700}
.news-item h3{margin-top:10px;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6}
.news-item h3 a{transition:color .2s ease}
.news-item:hover h3 a{color:var(--brand-1)}
.news-item p{margin-top:8px;font-size:14.5px;color:var(--muted);line-height:1.75}
.news-empty{
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}
.news-note{
  margin-top:18px;font-size:13.5px;color:var(--muted);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.news-note span{
  padding:4px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;color:var(--ink-2);
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2px 22px;box-shadow:var(--shadow-sm);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:17px 0;font-size:15.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:16px;font-weight:700;color:var(--brand-1);background:var(--brand-soft);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.8;max-width:760px}

/* ---------- claim ---------- */
.claim-panel{
  display:grid;grid-template-columns:1fr .9fr;gap:34px;
  background:linear-gradient(135deg,#16224f 0%,#2a3fa8 52%,#6d34d6 100%);
  border-radius:var(--radius-lg);padding:42px;color:#fff;box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.claim-panel::before{
  content:"";position:absolute;width:420px;height:420px;right:-150px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2),rgba(255,255,255,0) 70%);
}
.claim-copy{position:relative;z-index:1}
.claim-copy h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;color:#fff}
.claim-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:460px}
.claim-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.claim-tags span{
  padding:6px 14px;border-radius:999px;font-size:13px;color:#e3e8ff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.claim-form{position:relative;z-index:1;display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:13px;color:rgba(255,255,255,.78);font-weight:600}
.field input,.field select{
  width:100%;padding:11px 14px;border-radius:10px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  transition:border-color .2s ease,background .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.55)}
.field input:focus,.field select:focus{
  outline:none;border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.18);
}
.field select option{color:#151c2c}
.form-note{font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{background:#0f1730;color:#c6cde4;padding:54px 0 26px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;
  padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:#93a0c2;max-width:400px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px}
.footer-col li{margin-bottom:9px;font-size:14px}
.footer-col a{color:#a3aecb;transition:color .2s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#7d89a8;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:10px 22px 16px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:12px 14px;border-radius:10px}
  .nav-toggle{display:grid}
  .header-actions{margin-left:auto}
  .hero-suite{grid-template-columns:1fr}
  .side-card:nth-child(2){margin-left:0}
  .hero-side-stack{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .media-row{grid-template-columns:1fr}
  .claim-panel{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .header-search{display:none}
  .compare-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .header-actions .btn{display:none}
  .hero-card-main{padding:30px 24px 32px}
  .hero-side-stack{grid-template-columns:1fr}
  .card-grid,.card-grid.cols-3,.card-grid.cols-2{grid-template-columns:1fr}
  .dist-row{grid-template-columns:96px 1fr 48px;font-size:12.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:46px 0}
  .stat-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-card-main h1{font-size:24px}
  .claim-panel{padding:26px 20px}
  .dist-row{grid-template-columns:1fr 1fr;row-gap:6px}
  .dist-track{grid-column:1 / -1}
  .dist-val{text-align:left}
}