/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-2:#232a52;
  --ink-3:#2f3765;
  --gold:#ffb400;
  --gold-2:#ffd15c;
  --gold-deep:#a8760a;
  --cyan:#38e1d6;
  --bg:#f5f7fc;
  --bg-alt:#edf1fa;
  --surface:#ffffff;
  --text:#1a1f3d;
  --muted:#5f6885;
  --line:#e3e8f4;
  --radius-lg:26px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-sm:0 4px 14px rgba(26,31,61,.06);
  --shadow:0 10px 30px rgba(26,31,61,.09);
  --shadow-lg:0 22px 54px rgba(16,20,44,.16);
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(56,225,214,.75);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:90;padding-top:12px}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:linear-gradient(135deg,rgba(26,31,61,.97),rgba(35,42,82,.97));
  border:1px solid rgba(255,255,255,.08);
  border-radius:22px;
  padding:10px 14px 10px 16px;
  box-shadow:0 18px 40px rgba(16,20,44,.26);
  backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold),#ff8a3d);
  color:#1a1f3d;font-weight:800;font-size:19px;
  box-shadow:0 8px 18px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.58);letter-spacing:1.8px;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;color:rgba(255,255,255,.78);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.is-active{
  color:#1a1f3d;font-weight:700;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-menu a:active{transform:scale(.97)}
.nav-cta{
  margin-left:6px;padding:10px 18px;border-radius:999px;
  font-size:14px;font-weight:600;color:#8ff5ec;
  background:rgba(56,225,214,.14);
  border:1px solid rgba(56,225,214,.42);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:rgba(56,225,214,.26);color:#fff;box-shadow:0 8px 20px rgba(56,225,214,.22)}
.nav-toggle{
  display:none;margin-left:auto;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;cursor:pointer;
}

/* ---------- Hero ---------- */
.hero{padding:26px 0 10px}
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  padding:52px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;
  color:#fff;
  background-image:
    linear-gradient(118deg,rgba(16,20,44,.96) 0%,rgba(26,31,61,.91) 46%,rgba(43,32,78,.88) 100%),
    url("/assets/images/backpic/back-1.jpg");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-lg);
}
.hero-card::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);
  pointer-events:none;
}
.hero-copy{position:relative;z-index:2}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12.5px;letter-spacing:.4px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  color:#e8ecff;
}
.chip--gold{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-2)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.16)}
.hero-title{
  font-size:clamp(27px,3.3vw,43px);
  line-height:1.28;font-weight:800;letter-spacing:.5px;
}
.hero-lead{
  margin-top:18px;max-width:640px;
  color:rgba(255,255,255,.79);
  font-size:15.5px;line-height:1.92;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#ffc94d);
  color:#1a1f3d;
  box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.44)}
.btn-ghost{
  color:#fff;background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:34px;
  margin-top:32px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats b{display:block;font-size:23px;color:var(--gold-2);letter-spacing:.5px}
.hero-stats span{font-size:12.5px;color:rgba(255,255,255,.62)}

.hero-panel{
  position:relative;z-index:2;
  display:flex;flex-direction:column;gap:14px;
  padding:22px;border-radius:22px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
  align-self:start;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;letter-spacing:.6px;color:rgba(255,255,255,.66)}
.panel-head .live{display:inline-flex;align-items:center;gap:6px;color:#8ff5ec}
.panel-head .live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.18)}
.panel-list{display:grid;gap:10px}
.panel-row{
  display:grid;grid-template-columns:10px 1fr auto;align-items:center;gap:12px;
  padding:13px 15px;border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);
  transition:background .2s ease,border-color .2s ease;
}
.panel-row:hover{background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.42)}
.panel-row b{display:block;font-size:13.8px;color:#fff;font-weight:600}
.panel-row em{display:block;font-style:normal;font-size:11.8px;color:rgba(255,255,255,.55);margin-top:2px}
.panel-row .tag{
  font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:rgba(56,225,214,.16);color:#8ff5ec;border:1px solid rgba(56,225,214,.3);
}
.panel-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.15)}
.panel-dot.warm{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.16)}
.panel-link{
  margin-top:2px;font-size:13px;font-weight:600;color:var(--gold-2);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s ease,color .2s ease;
}
.panel-link:hover{gap:11px;color:#fff}

/* ---------- 版块通用 ---------- */
.section{padding:70px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{
  background:linear-gradient(152deg,#151934 0%,#232a52 58%,#2b2352 100%);
  color:#eef1fb;
}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:2.2px;
  color:var(--gold-deep);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section--dark .eyebrow{color:var(--gold-2)}
.section-head h2{
  margin:12px 0 14px;
  font-size:clamp(23px,2.6vw,32px);
  line-height:1.36;letter-spacing:.3px;
}
.section--dark .section-head h2{color:#fff}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.92}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.stat-card{padding:24px}
.stat-card b{display:block;font-size:32px;line-height:1.15;color:var(--ink);letter-spacing:.5px}
.stat-card b small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-card span{display:block;margin-top:6px;font-size:13.5px;font-weight:700;color:var(--gold-deep)}
.stat-card p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.8}

.entry-card{
  display:flex;flex-direction:column;gap:12px;
  padding:28px;border-radius:20px;
  background:linear-gradient(160deg,#ffffff,#f5f8ff);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.entry-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));
  color:var(--gold-2);font-weight:800;font-size:15px;
}
.entry-card h3{font-size:19px;line-height:1.4}
.entry-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.entry-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--gold-deep);display:inline-flex;align-items:center;gap:7px;transition:gap .2s ease}
.entry-card:hover .entry-link{gap:12px}

.cover-card{padding:18px}
.cover-card .thumb{
  display:block;aspect-ratio:16/10;border-radius:12px;overflow:hidden;
  background:#dfe5f4;margin-bottom:16px;
}
.cover-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.cover-card:hover .thumb img{transform:scale(1.06)}
.card-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.6px;
  padding:3px 10px;border-radius:999px;
  background:rgba(255,180,0,.14);color:var(--gold-deep);
  border:1px solid rgba(255,180,0,.32);margin-bottom:10px;
}
.cover-card h3{font-size:16.5px;line-height:1.55;margin-bottom:8px}
.cover-card p{font-size:13.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line)}
.meta{font-size:12.5px;color:#8a93ad;white-space:nowrap}

/* ---------- 矩阵与对比 ---------- */
.matrix-card{position:relative;padding-top:30px}
.matrix-card::before{
  content:"";position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));
}
.matrix-card h3{font-size:16.5px;margin-bottom:8px}
.matrix-card p{font-size:14px;color:var(--muted);line-height:1.85}

.compare{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
.compare table{width:100%;border-collapse:collapse}
.compare th,.compare td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:middle}
.compare thead th{background:#f2f5fd;font-size:12.5px;letter-spacing:1.2px;color:var(--muted);font-weight:700}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:hover{background:#fafbff}
.compare td:first-child{font-weight:700}
.compare .good{color:#0f7b62;font-weight:700}
.compare .plain{color:#98a0b8}

/* ---------- 进度 ---------- */
.progress-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow-sm)}
.progress-item + .progress-item{margin-top:22px}
.progress-item .row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14.5px}
.progress-item .row b{font-weight:700}
.progress-item .row span{font-size:13px;color:var(--muted)}
.progress-item .bar{height:10px;border-radius:999px;background:#eaeefa;overflow:hidden;margin-top:10px}
.progress-item .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),#ff8a3d)}
.progress-item p{margin-top:8px;font-size:13.2px;color:var(--muted);line-height:1.8}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:1.62fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
  padding:18px 20px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateX(4px);border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-sm)}
.news-item h3{font-size:16px;line-height:1.5}
.news-item p{margin-top:6px;font-size:13.4px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow-sm)}
.side-panel h3{font-size:16px;margin-bottom:14px}
.side-list{display:grid;gap:12px}
.side-list a{display:block;padding-bottom:12px;border-bottom:1px dashed var(--line);transition:color .2s ease}
.side-list a:last-child{border-bottom:none;padding-bottom:0}
.side-list a:hover{color:var(--gold-deep)}
.side-list b{display:block;font-size:14px;font-weight:600;line-height:1.6}
.side-list span{display:block;margin-top:4px;font-size:12.2px;color:#8a93ad}
.empty{
  padding:26px;border-radius:14px;border:1px dashed var(--line);
  background:#fff;color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- 排行榜 ---------- */
.rank-list{display:grid;gap:10px}
.rank-row{
  display:grid;grid-template-columns:52px 1.4fr .8fr .8fr 76px;
  align-items:center;gap:12px;
  padding:15px 20px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rank-row:hover{transform:translateY(-2px);border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-sm)}
.rank-no{font-weight:800;font-size:18px;color:#b6bdd2}
.rank-row:first-child .rank-no{color:var(--gold)}
.rank-name{font-weight:700}
.rank-name em{display:block;font-style:normal;font-size:12.2px;color:#8a93ad;font-weight:400;margin-top:2px}
.rank-num{font-weight:700;color:var(--ink-2)}
.rank-num small{display:block;font-weight:400;font-size:11.8px;color:#8a93ad}
.trend{font-size:12.2px;font-weight:700;padding:4px 10px;border-radius:999px;text-align:center}
.trend.up{color:#0f7b62;background:#e3f7f1}
.trend.flat{color:#6b7390;background:#eef1f9}
.trend.down{color:#a04a4a;background:#fbeaea}

/* ---------- 口碑 ---------- */
.quote-card{position:relative;padding:26px 24px 22px}
.quote-card::before{
  content:"“";position:absolute;top:6px;right:22px;
  font-size:60px;line-height:1;color:rgba(255,180,0,.22);font-weight:800;
}
.quote-card p{font-size:14.6px;color:#39406b;line-height:1.9}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:18px}
.avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));
  color:var(--gold-2);font-size:13px;font-weight:700;
}
.quote-user b{font-size:13.5px;display:block}
.quote-user span{font-size:12px;color:#8a93ad}

/* ---------- 合作伙伴 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.partner{
  display:grid;place-items:center;text-align:center;
  padding:22px 12px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:#49527a;
  transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.partner:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.5);color:var(--ink)}
.partner small{display:block;font-weight:400;font-size:11.5px;color:#8a93ad;margin-top:4px}

/* ---------- 保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{
  padding:24px;border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.13);
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.guard:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.42);transform:translateY(-3px)}
.guard .ico{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:var(--gold-2);font-weight:800;font-size:15px;margin-bottom:14px;
}
.guard b{display:block;color:#fff;font-size:15.5px;margin-bottom:8px}
.guard p{font-size:13.4px;color:rgba(255,255,255,.68);line-height:1.85}

/* ---------- 步骤 ---------- */
.step{position:relative;padding:28px 24px 24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step .num{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ink),var(--ink-3));
  color:var(--gold-2);font-weight:800;margin-bottom:16px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.85}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details:hover{border-color:rgba(255,180,0,.42)}
.faq details[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-sm)}
.faq summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-weight:700;font-size:15.5px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";color:var(--gold);font-weight:800;font-size:19px;line-height:1;flex-shrink:0;
  transition:transform .2s ease;
}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:var(--muted);font-size:14.4px;line-height:1.9}

/* ---------- 表单 ---------- */
.form-card{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;
  padding:40px;border-radius:24px;
  background:linear-gradient(150deg,#ffffff,#f3f7ff);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.form-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.38;margin:12px 0 14px}
.form-card .lead{font-size:15px;color:var(--muted);line-height:1.9}
.form-points{display:grid;gap:10px;margin-top:22px}
.form-points li{display:flex;gap:10px;font-size:14px;color:#39406b;align-items:flex-start}
.form-points li::before{content:"✓";color:var(--gold-deep);font-weight:800;line-height:1.6}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:13.4px;font-weight:700;color:#39406b}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:hover,.field select:hover{border-color:#cfd7ee}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(255,180,0,.2);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{margin-top:12px;font-size:12.5px;color:#8a93ad;line-height:1.8}
.form-ok{
  margin-top:14px;padding:12px 16px;border-radius:12px;
  background:#e3f7f1;color:#0f7b62;font-size:13.5px;font-weight:600;
  border:1px solid rgba(15,123,98,.22);
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:#111530;color:rgba(255,255,255,.68);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
.footer-brand b{font-size:16px;letter-spacing:.4px}
.footer-about{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-links a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:var(--gold-2);padding-left:4px}
.footer-bottom{
  margin-top:38px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--gold-2)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-card{grid-template-columns:1fr;padding:42px;gap:32px}
  .hero-panel{align-self:stretch}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .form-card{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rank-row{grid-template-columns:44px 1.4fr .8fr 76px}
  .rank-row .rank-num:nth-child(4){display:none}
}
@media (max-width:768px){
  .site-header{top:8px;padding-top:8px}
  .nav-shell{flex-wrap:wrap;padding:10px 13px;gap:10px;border-radius:18px}
  .brand-text{font-size:15px}
  .brand-text em{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .nav-menu{
    order:3;flex-basis:100%;flex-direction:column;align-items:stretch;
    gap:4px;margin:6px 0 0;display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{padding:11px 15px;border-radius:12px;font-size:15px}
  .hero{padding:18px 0 6px}
  .hero-card{padding:28px 22px;border-radius:22px}
  .hero-stats{gap:22px}
  .hero-stats b{font-size:20px}
  .section{padding:52px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .compare{overflow-x:auto}
  .compare table{min-width:520px}
  .rank-row{grid-template-columns:40px 1fr 70px;gap:10px;padding:14px 16px}
  .rank-row .rank-num{display:none}
  .news-item{grid-template-columns:1fr}
  .news-item .meta{justify-self:start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:26px 20px;border-radius:20px}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .hero-title{font-size:25px}
  .hero-lead{font-size:14.6px}
  .btn{width:100%;padding:12px 20px;font-size:14.5px}
  .hero-actions{gap:10px}
  .card{padding:20px}
  .entry-card{padding:22px}
  .section-head h2{font-size:22px}
  .partner-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2f3765;
 --gold:#ffb400;
 --gold-2:#ffd15c;
 --gold-deep:#a8760a;
 --cyan:#38e1d6;
 --bg:#f5f7fc;
 --bg-alt:#edf1fa;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5f6885;
 --line:#e3e8f4;
 --radius-lg:26px;
 --radius:16px;
 --radius-sm:12px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 22px 54px rgba(16,20,44,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.7;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:6px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:90;padding-top:12px}
.nav-shell{
 display:flex;align-items:center;gap:18px;
 background:linear-gradient(135deg,rgba(26,31,61,.97),rgba(35,42,82,.97));
 border:1px solid rgba(255,255,255,.08);
 border-radius:22px;
 padding:10px 14px 10px 16px;
 box-shadow:0 18px 40px rgba(16,20,44,.26);
 backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-mark{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a3d);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.58);letter-spacing:1.8px;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
 display:block;padding:9px 15px;border-radius:999px;
 font-size:14.5px;color:rgba(255,255,255,.78);
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-menu a:active{transform:scale(.97)}
.nav-cta{
 margin-left:6px;padding:10px 18px;border-radius:999px;
 font-size:14px;font-weight:600;color:#8ff5ec;
 background:rgba(56,225,214,.14);
 border:1px solid rgba(56,225,214,.42);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{background:rgba(56,225,214,.26);color:#fff;box-shadow:0 8px 20px rgba(56,225,214,.22)}
.nav-toggle{
 display:none;margin-left:auto;
 padding:9px 16px;border-radius:999px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#fff;font-size:14px;cursor:pointer;
}

/* ---------- 通用组件 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-gold{
 background:linear-gradient(135deg,var(--gold),#ffc94d);
 color:#1a1f3d;
 box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.44)}
.btn-ghost{
 color:var(--ink);background:#fff;
 border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(255,180,0,.6);box-shadow:var(--shadow)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;
 font-size:12.5px;letter-spacing:.3px;
 background:var(--bg-alt);color:var(--ink-2);
 border:1px solid var(--line);
}
.tag--gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.46);color:#8a6100;font-weight:700}
.tag--cyan{background:rgba(56,225,214,.14);border-color:rgba(56,225,214,.45);color:#0d6f68;font-weight:700}

/* ---------- 文章头部矮横幅 ---------- */
.article-hero{
 background:linear-gradient(180deg,#ffffff 0%,var(--bg-alt) 100%);
 border-bottom:1px solid var(--line);
 padding:26px 0 34px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted);transition:color .2s ease}
.crumbs a:hover{color:var(--gold-deep)}
.crumbs span.sep{color:#b9c2d8}
.crumbs b{color:var(--ink);font-weight:600}
.hero-row{
 display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:center;
 margin-top:18px;
}
.hero-main h1{
 font-size:clamp(24px,2.7vw,36px);
 line-height:1.34;font-weight:800;letter-spacing:.4px;
 margin:14px 0 16px;
 color:var(--ink);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted)}
.hero-meta strong{color:var(--ink-2);font-weight:600}
.hero-thumb{
 margin:0;border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);
 border:1px solid var(--line);background:#fff;
}
.hero-thumb img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease}
.hero-thumb:hover img{transform:scale(1.05)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
.section--tight{padding:34px 0}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:30px}
.section-head h2{
 font-size:clamp(21px,2.2vw,28px);font-weight:800;letter-spacing:.4px;color:var(--ink);
 display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
 content:"";width:6px;height:24px;border-radius:4px;
 background:linear-gradient(180deg,var(--gold),#ff8a3d);
 display:inline-block;flex-shrink:0;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 要点速览 ---------- */
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fact-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.fact-card b{display:block;font-size:22px;color:var(--ink);letter-spacing:.4px}
.fact-card b em{font-style:normal;font-size:13px;color:var(--gold-deep);margin-left:4px;font-weight:700}
.fact-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 正文区 ---------- */
.article-wrap{max-width:860px;margin:0 auto}
.article-body{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);padding:38px 40px;
}
.prose{font-size:16.5px;line-height:1.95;color:#2a3152}
.prose h2{
 font-size:22px;font-weight:800;color:var(--ink);
 margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--gold);
 line-height:1.5;
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 10px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 18px}
.prose ul li{list-style:disc;margin-bottom:8px}
.prose ol li{list-style:decimal;margin-bottom:8px}
.prose img{border-radius:14px;margin:20px 0;box-shadow:var(--shadow-sm)}
.prose blockquote{
 margin:22px 0;padding:16px 22px;
 background:#fff8e6;border-left:4px solid var(--gold);
 border-radius:0 14px 14px 0;color:#6b5a22;font-size:15.5px;
}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg-alt);color:var(--ink);font-weight:700}
.prose a{color:var(--gold-deep);text-decoration:underline}
.prose a:hover{color:#7c5800}
.empty-state{
 text-align:center;padding:36px 20px;
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- 引言大字 ---------- */
.pull-quote{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);padding:44px 48px;
 color:#fff;
 background-image:
 linear-gradient(120deg,rgba(16,20,44,.94),rgba(43,32,78,.88)),
 url("/assets/images/backpic/back-4.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.pull-quote p{font-size:clamp(18px,2vw,24px);line-height:1.7;font-weight:700;letter-spacing:.4px}
.pull-quote span{display:block;margin-top:16px;font-size:13.5px;color:rgba(255,255,255,.66);letter-spacing:1px}

/* ---------- 节奏时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tl-item{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tl-item .num{
 width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 16px rgba(255,180,0,.28);
}
.tl-item h3{margin-top:14px;font-size:16.5px;color:var(--ink)}
.tl-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.tl-item em{display:block;margin-top:12px;font-style:normal;font-size:12.5px;color:var(--gold-deep);font-weight:700;letter-spacing:.5px}

/* ---------- 得分对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{
 border-radius:var(--radius);padding:26px 26px;
 border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.compare-card h3{font-size:17px;color:var(--ink);display:flex;align-items:center;gap:8px}
.compare-card ul{margin-top:14px;display:grid;gap:9px}
.compare-card li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:14.5px;color:var(--muted);line-height:1.75;
}
.compare-card li::before{
 content:"";width:7px;height:7px;border-radius:50%;margin-top:8px;flex-shrink:0;
 background:var(--gold);
}
.compare-card--dark{
 background:linear-gradient(140deg,var(--ink),var(--ink-3));
 border-color:transparent;color:#fff;
}
.compare-card--dark h3{color:#fff}
.compare-card--dark li{color:rgba(255,255,255,.78)}
.compare-card--dark li::before{background:var(--cyan)}

/* ---------- 失误清单 ---------- */
.mistake-list{display:grid;gap:14px}
.mistake-item{
 display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;box-shadow:var(--shadow-sm);
 transition:border-color .25s ease,box-shadow .25s ease;
}
.mistake-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.mistake-item .mk{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
 background:var(--bg-alt);color:var(--gold-deep);font-weight:800;font-size:14px;
}
.mistake-item h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.mistake-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;padding:18px 24px;font-size:16px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--gold-deep);
 transition:transform .25s ease;line-height:1;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 24px 20px;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- 频道入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
 display:block;padding:26px 24px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.channel-card .tag{margin-bottom:12px}
.channel-card h3{font-size:17.5px;color:var(--ink)}
.channel-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}
.channel-card .go{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--gold-deep);display:inline-flex;gap:6px}

/* ---------- CTA ---------- */
.cta-band{
 border-radius:var(--radius-lg);padding:46px 48px;
 display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
 color:#fff;
 background-image:
 linear-gradient(115deg,rgba(26,31,61,.96),rgba(56,45,110,.9)),
 url("/assets/images/backpic/back-6.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);font-weight:800;line-height:1.45}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.9}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:16px}
.footer-brand b{font-weight:700;letter-spacing:.4px}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:1px;font-weight:700}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 font-size:13px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-row{grid-template-columns:1fr 240px;gap:26px}
 .facts-grid{grid-template-columns:repeat(2,1fr)}
 .timeline{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-grid > div:first-child{grid-column:1/-1}
 .article-body{padding:30px 28px}
}
@media (max-width:860px){
 .nav-toggle{display:inline-block}
 .nav-menu{
  display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
  flex-direction:column;align-items:stretch;gap:6px;
  background:linear-gradient(135deg,rgba(26,31,61,.99),rgba(35,42,82,.99));
  border:1px solid rgba(255,255,255,.12);border-radius:20px;
  padding:12px;box-shadow:0 22px 44px rgba(16,20,44,.4);
 }
 .nav-menu.is-open{display:flex}
 .nav-menu a{padding:11px 16px;border-radius:14px}
 .nav-cta{display:none}
 .nav-shell{position:relative;flex-wrap:wrap}
 .hero-row{grid-template-columns:1fr;gap:22px}
 .hero-thumb{max-width:420px}
 .cta-band{grid-template-columns:1fr;padding:34px 26px}
 .pull-quote{padding:32px 26px}
}
@media (max-width:768px){
 .section{padding:42px 0}
 .compare{grid-template-columns:1fr}
 .facts-grid{grid-template-columns:1fr}
 .channel-grid{grid-template-columns:1fr}
 .timeline{grid-template-columns:1fr}
 .article-body{padding:24px 20px;border-radius:var(--radius)}
 .prose{font-size:16px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container{padding:0 15px}
 .site-header{top:6px;padding-top:8px}
 .nav-shell{padding:9px 11px;border-radius:18px}
 .brand-text{font-size:14.5px}
 .brand-text em{font-size:9.5px;letter-spacing:1.2px}
 .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px}
 .hero-main h1{font-size:22px}
 .btn{width:100%;padding:12px 18px}
 .hero-meta{gap:8px 16px;font-size:12.5px}
 .mistake-item{grid-template-columns:1fr;gap:12px}
 .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2f3765;
 --gold:#ffb400;
 --gold-2:#ffd15c;
 --gold-deep:#a8760a;
 --cyan:#38e1d6;
 --bg:#f5f7fc;
 --bg-alt:#edf1fa;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5f6885;
 --line:#e3e8f4;
 --radius-lg:26px;
 --radius:16px;
 --radius-sm:12px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 22px 54px rgba(16,20,44,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.7;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(56,225,214,.75);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:90;padding-top:12px}
.nav-shell{
 display:flex;align-items:center;gap:18px;
 background:linear-gradient(135deg,rgba(26,31,61,.97),rgba(35,42,82,.97));
 border:1px solid rgba(255,255,255,.08);
 border-radius:22px;
 padding:10px 14px 10px 16px;
 box-shadow:0 18px 40px rgba(16,20,44,.26);
 backdrop-filter:blur(10px);
 position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-mark{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a3d);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.32);
 flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.58);letter-spacing:1.8px;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
 display:block;padding:9px 15px;border-radius:999px;
 font-size:14.5px;color:rgba(255,255,255,.78);
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-menu a:active{transform:scale(.97)}
.nav-cta{
 margin-left:6px;padding:10px 18px;border-radius:999px;
 font-size:14px;font-weight:600;color:#8ff5ec;
 background:rgba(56,225,214,.14);
 border:1px solid rgba(56,225,214,.42);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{background:rgba(56,225,214,.26);color:#fff;box-shadow:0 8px 20px rgba(56,225,214,.22)}
.nav-toggle{
 display:none;margin-left:auto;
 padding:9px 16px;border-radius:999px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#fff;font-size:14px;cursor:pointer;
 transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ---------- 按钮 / 标签 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-gold{
 background:linear-gradient(135deg,var(--gold),#ffc94d);
 color:#1a1f3d;
 box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.44)}
.btn-ghost{
 color:#fff;background:rgba(255,255,255,.07);
 border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn-line{
 background:#fff;color:var(--ink);border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-line:hover{transform:translateY(-2px);border-color:rgba(255,180,0,.6);color:var(--gold-deep)}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 13px;border-radius:999px;
 font-size:12.5px;letter-spacing:.4px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#e8ecff;
}
.chip--gold{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-2)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.16)}
.tag{
 display:inline-flex;align-items:center;
 padding:5px 12px;border-radius:999px;
 font-size:12px;font-weight:600;
 color:var(--gold-deep);background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.3);
}
.tag--cyan{color:#0f7d78;background:rgba(56,225,214,.14);border-color:rgba(56,225,214,.36)}

/* ---------- 分类 Hero ---------- */
.hero-cat{padding:26px 0 0}
.hero-kv{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:46px 44px 0;
 color:#fff;
 background-image:
 linear-gradient(112deg,rgba(14,18,40,.96) 0%,rgba(26,31,61,.92) 48%,rgba(48,34,80,.86) 100%),
 url("/assets/images/backpic/back-2.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.hero-kv::after{
 content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
 background:radial-gradient(circle,rgba(255,180,0,.26),transparent 66%);
 pointer-events:none;
}
.hero-kv-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;position:relative;z-index:2;align-items:start}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.7);transition:color .2s}
.crumbs a:hover{color:var(--gold-2)}
.crumbs span{color:rgba(255,255,255,.35)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero-title{
 font-size:clamp(26px,3.2vw,42px);
 line-height:1.3;font-weight:800;letter-spacing:.5px;
}
.hero-title i{font-style:normal;color:var(--gold-2)}
.hero-lead{
 margin-top:18px;max-width:660px;
 color:rgba(255,255,255,.8);
 font-size:15.5px;line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-side{
 display:flex;flex-direction:column;gap:14px;
 padding:22px;border-radius:22px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 backdrop-filter:blur(6px);
}
.hero-side h2{font-size:14px;letter-spacing:.8px;color:var(--gold-2);font-weight:700}
.side-row{
 display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;
 padding:11px 12px;border-radius:14px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 transition:background .2s ease,border-color .2s ease;
}
.side-row:hover{background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.42)}
.side-row b{font-size:12px;color:rgba(255,255,255,.55);font-weight:600;letter-spacing:.5px}
.side-row strong{display:block;font-size:14.5px;color:#fff;font-weight:600}
.side-row em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:2px}
.hero-strip{
 position:relative;z-index:2;
 display:grid;grid-template-columns:repeat(4,1fr);
 gap:0;margin:40px -44px 0;
 border-top:1px solid rgba(255,255,255,.14);
 background:rgba(10,13,30,.35);
}
.strip-cell{padding:20px 26px;border-right:1px solid rgba(255,255,255,.1)}
.strip-cell:last-child{border-right:none}
.strip-cell b{display:block;font-size:19px;color:var(--gold-2);letter-spacing:.5px}
.strip-cell span{font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- 板块通用 ---------- */
.section{padding:68px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:1.6px;
 color:var(--gold-deep);text-transform:uppercase;
 margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.section-title{font-size:clamp(22px,2.5vw,32px);font-weight:800;line-height:1.35;letter-spacing:.3px}
.section-desc{color:var(--muted);margin-top:14px;font-size:15px;line-height:1.9}

/* ---------- 指标看板 ---------- */
.board-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:start}
.board-note{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);
}
.board-note h3{font-size:18px;font-weight:800;margin-bottom:12px}
.board-note p{color:var(--muted);font-size:14.5px;line-height:1.9}
.board-note .tag{margin-top:18px}
.board-cells{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat-card{
 background:var(--surface);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);border-color:rgba(255,180,0,.45)}
.stat-card b{display:block;font-size:26px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.stat-card b i{font-style:normal;font-size:13px;color:var(--gold-deep);margin-left:4px;font-weight:700}
.stat-card span{display:block;font-size:13.5px;font-weight:600;margin-top:6px}
.stat-card p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.8}

/* ---------- 技巧矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.trick-card{
 display:grid;grid-template-columns:132px 1fr;
 gap:20px;align-items:stretch;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.trick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.42)}
.trick-thumb{position:relative;overflow:hidden;min-height:100%}
.trick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.trick-card:hover .trick-thumb img{transform:scale(1.06)}
.trick-body{padding:20px 22px 20px 0}
.trick-body h3{font-size:16.5px;font-weight:800;margin-bottom:8px}
.trick-body p{font-size:13.5px;color:var(--muted);line-height:1.85}
.trick-body .tag{margin-bottom:10px}

/* ---------- 对比与排行 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{
 border-radius:var(--radius);padding:26px;border:1px solid var(--line);
 background:var(--surface);box-shadow:var(--shadow-sm);
}
.compare-card h3{font-size:17px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-card h3 .badge{
 display:inline-grid;place-items:center;
 width:26px;height:26px;border-radius:9px;font-size:13px;
 background:rgba(95,104,133,.14);color:var(--muted);
}
.compare-card--good h3 .badge{background:rgba(255,180,0,.18);color:var(--gold-deep)}
.compare-list li{
 position:relative;padding-left:20px;font-size:14px;color:var(--muted);
 line-height:1.85;margin-bottom:10px;
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:11px;
 width:8px;height:8px;border-radius:3px;background:var(--line);
}
.compare-card--good .compare-list li::before{background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.rank-list{margin-top:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.rank-row{
 display:grid;grid-template-columns:56px 1fr 120px 150px;gap:14px;align-items:center;
 padding:16px 22px;border-bottom:1px solid var(--line);
 font-size:14px;
 transition:background .2s ease;
}
.rank-row:last-child{border-bottom:none}
.rank-row:hover{background:#fafbff}
.rank-row .no{font-weight:800;color:var(--gold-deep)}
.rank-row b{font-weight:700}
.rank-row .bar{height:8px;border-radius:999px;background:var(--bg-alt);overflow:hidden}
.rank-row .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.rank-row span{font-size:12.5px;color:var(--muted)}

/* ---------- 进阶里程碑 ---------- */
.road{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.road-step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.road-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.road-step .step-no{
 font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--gold-deep);
}
.road-step h3{font-size:17px;font-weight:800;margin:10px 0 8px}
.road-step p{font-size:13.5px;color:var(--muted);line-height:1.85}
.road-step ul{margin-top:14px;display:grid;gap:8px}
.road-step ul li{font-size:13px;color:var(--muted);padding-left:16px;position:relative}
.road-step ul li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
 background:var(--cyan);opacity:.75;
}

/* ---------- 更新记录 ---------- */
.update-list{display:grid;gap:14px}
.update-item{
 display:grid;grid-template-columns:120px 1fr;gap:20px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 24px;
 box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.update-item:hover{border-color:rgba(255,180,0,.45);box-shadow:var(--shadow);transform:translateY(-2px)}
.update-date{font-size:13px;font-weight:700;color:var(--gold-deep);letter-spacing:.5px}
.update-item h3{font-size:16px;font-weight:800;margin-bottom:6px}
.update-item p{font-size:13.5px;color:var(--muted);line-height:1.85}
.update-empty{font-size:14px;color:var(--muted);padding:20px 0}

/* ---------- 图文场景 ---------- */
.scene{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.scene-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.scene-media img{width:100%;height:100%;object-fit:cover;min-height:320px}
.scene-media figcaption{
 position:absolute;left:16px;bottom:16px;right:16px;
 padding:12px 16px;border-radius:14px;
 background:rgba(12,16,36,.72);color:rgba(255,255,255,.86);
 font-size:12.5px;backdrop-filter:blur(6px);
}
.scene-body h2{font-size:clamp(21px,2.3vw,29px);font-weight:800;line-height:1.4}
.scene-body > p{color:var(--muted);margin-top:14px;font-size:15px;line-height:1.9}
.scene-points{display:grid;gap:14px;margin-top:24px}
.scene-point{
 display:grid;grid-template-columns:38px 1fr;gap:14px;
 padding:16px 18px;border-radius:var(--radius-sm);
 background:var(--surface);border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.scene-point i{
 font-style:normal;display:grid;place-items:center;
 width:38px;height:38px;border-radius:12px;
 background:rgba(255,180,0,.16);color:var(--gold-deep);
 font-weight:800;font-size:14px;
}
.scene-point b{display:block;font-size:14.5px;font-weight:700}
.scene-point span{display:block;font-size:13px;color:var(--muted);margin-top:3px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:0;overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq details[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq summary{
 cursor:pointer;list-style:none;
 padding:18px 22px;font-size:15.5px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--gold-deep);
 flex-shrink:0;line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--gold-deep)}
.faq .faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.95}

/* ---------- 行动区 / 表单 ---------- */
.pick{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:44px;
 color:#fff;
 display:grid;grid-template-columns:1fr 1fr;gap:40px;
 background-image:
 linear-gradient(115deg,rgba(16,20,44,.96),rgba(30,34,72,.93) 60%,rgba(52,36,86,.9)),
 url("/assets/images/backpic/back-5.webp");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.pick-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.35}
.pick-copy p{color:rgba(255,255,255,.76);margin-top:14px;font-size:14.5px;line-height:1.9}
.pick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pick-form{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:22px;padding:24px;
 display:grid;gap:14px;
 backdrop-filter:blur(6px);
}
.field{display:grid;gap:7px}
.field label{font-size:12.5px;color:rgba(255,255,255,.7);font-weight:600;letter-spacing:.4px}
.field input,.field select,.field textarea{
 width:100%;padding:12px 14px;border-radius:12px;
 background:rgba(255,255,255,.94);
 border:1px solid rgba(255,255,255,.28);
 font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--gold);
 box-shadow:0 0 0 3px rgba(255,180,0,.28);
}
.form-hint{font-size:12px;color:rgba(255,255,255,.55)}
.form-done{
 display:none;margin-top:4px;padding:12px 14px;border-radius:12px;
 background:rgba(56,225,214,.16);border:1px solid rgba(56,225,214,.4);
 font-size:13.5px;color:#c8fffb;
}
.form-done.is-show{display:block}

/* ---------- 频道矩阵 ---------- */
.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);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;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.channel-card h3{font-size:17px;font-weight:800}
.channel-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.channel-card .more{font-size:13px;font-weight:700;color:var(--gold-deep);margin-top:auto}
.channel-card.is-current{border-color:rgba(255,180,0,.55);background:linear-gradient(180deg,rgba(255,180,0,.08),#fff)}
.channel-card.is-current .more{color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{
 margin-top:20px;padding:56px 0 24px;
 background:linear-gradient(160deg,#151a35,#1a1f3d 55%,#241f45);
 color:rgba(255,255,255,.72);
 border-radius:36px 36px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.55fr .75fr .75fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.95;color:rgba(255,255,255,.6);max-width:430px}
.footer-col h3{font-size:14px;color:#fff;margin:0 0 14px;letter-spacing:.8px}
.footer-links{display:grid;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-links a:hover{color:var(--gold-2)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.12);
 font-size:12.5px;color:rgba(255,255,255,.45);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-kv{padding:38px 30px 0}
 .hero-kv-inner{grid-template-columns:1fr;gap:28px}
 .hero-strip{margin:32px -30px 0;grid-template-columns:repeat(2,1fr)}
 .strip-cell:nth-child(2){border-right:none}
 .strip-cell:nth-child(1),.strip-cell:nth-child(2){border-bottom:1px solid rgba(255,255,255,.1)}
 .board-grid{grid-template-columns:1fr;gap:26px}
 .scene{grid-template-columns:1fr;gap:26px}
 .pick{grid-template-columns:1fr;gap:28px;padding:34px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-about{max-width:none}
 .rank-row{grid-template-columns:44px 1fr 110px;gap:12px}
 .rank-row .bar{display:none}
}
@media (max-width:980px){
 .nav-toggle{display:inline-flex}
 .nav-shell{flex-wrap:wrap;row-gap:12px}
 .nav-menu{
  position:absolute;left:10px;right:10px;top:calc(100% + 10px);
  flex-direction:column;align-items:stretch;gap:6px;
  margin-left:0;padding:12px;
  background:linear-gradient(135deg,rgba(26,31,61,.99),rgba(35,42,82,.99));
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  box-shadow:0 20px 44px rgba(12,16,36,.42);
  display:none;
 }
 .nav-menu.is-open{display:flex}
 .nav-menu a{padding:11px 14px;border-radius:12px}
 .nav-cta{margin-left:auto}
}
@media (max-width:768px){
 .section{padding:52px 0}
 .hero-kv{padding:32px 22px 0}
 .hero-strip{margin:26px -22px 0}
 .strip-cell{padding:16px 18px}
 .matrix{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .road{grid-template-columns:1fr}
 .channels{grid-template-columns:1fr}
 .update-item{grid-template-columns:1fr;gap:8px}
 .trick-card{grid-template-columns:1fr}
 .trick-thumb{min-height:180px}
 .trick-body{padding:0 20px 20px}
 .pick{padding:26px 22px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .nav-cta{display:none}
 .brand-text{font-size:14.5px}
 .brand-text em{font-size:9.5px;letter-spacing:1.4px}
 .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
 .hero-title{font-size:23px}
 .hero-lead{font-size:14.5px}
 .hero-actions .btn{width:100%}
 .hero-strip{grid-template-columns:1fr}
 .strip-cell{border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}
 .strip-cell:last-child{border-bottom:none}
 .board-cells{grid-template-columns:1fr}
 .rank-row{grid-template-columns:36px 1fr;gap:10px;font-size:13.5px}
 .rank-row span{grid-column:2}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2f3765;
 --gold:#ffb400;
 --gold-2:#ffd15c;
 --gold-deep:#a8760a;
 --cyan:#38e1d6;
 --bg:#f5f7fc;
 --bg-alt:#edf1fa;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5f6885;
 --line:#e3e8f4;
 --radius-lg:26px;
 --radius:16px;
 --radius-sm:12px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 22px 54px rgba(16,20,44,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.7;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(56,225,214,.75);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:90;padding-top:12px}
.nav-shell{
 display:flex;align-items:center;gap:18px;
 background:linear-gradient(135deg,rgba(26,31,61,.97),rgba(35,42,82,.97));
 border:1px solid rgba(255,255,255,.08);
 border-radius:22px;
 padding:10px 14px 10px 16px;
 box-shadow:0 18px 40px rgba(16,20,44,.26);
 backdrop-filter:blur(10px);
 position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-mark{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a3d);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.58);letter-spacing:1.8px;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
 display:block;padding:9px 15px;border-radius:999px;
 font-size:14.5px;color:rgba(255,255,255,.78);
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-menu a:active{transform:scale(.97)}
.nav-cta{
 margin-left:6px;padding:10px 18px;border-radius:999px;
 font-size:14px;font-weight:600;color:#8ff5ec;
 background:rgba(56,225,214,.14);
 border:1px solid rgba(56,225,214,.42);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{background:rgba(56,225,214,.26);color:#fff;box-shadow:0 8px 20px rgba(56,225,214,.22)}
.nav-toggle{
 display:none;margin-left:auto;
 padding:9px 16px;border-radius:999px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#fff;font-size:14px;cursor:pointer;
}
/* ---------- 通用按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-gold{
 background:linear-gradient(135deg,var(--gold),#ffc94d);
 color:#1a1f3d;
 box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.44)}
.btn-ghost{
 color:#fff;background:rgba(255,255,255,.07);
 border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn-line{
 background:#fff;color:var(--ink);
 border-color:var(--line);
 box-shadow:var(--shadow-sm);
}
.btn-line:hover{border-color:rgba(255,180,0,.6);box-shadow:0 10px 24px rgba(26,31,61,.12)}
/* ---------- 内页 Hero ---------- */
.page-hero{padding:26px 0 12px}
.page-hero-card{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:48px;
 display:grid;grid-template-columns:1.06fr .94fr;gap:44px;
 color:#fff;
 background-image:
 linear-gradient(120deg,rgba(16,20,44,.96) 0%,rgba(26,31,61,.9) 50%,rgba(45,34,80,.86) 100%),
 url("/assets/images/backpic/back-3.webp");
 background-size:cover;
 background-position:center;
 box-shadow:var(--shadow-lg);
}
.page-hero-card::after{
 content:"";position:absolute;left:-140px;top:-160px;width:400px;height:400px;
 background:radial-gradient(circle,rgba(56,225,214,.22),transparent 68%);
 pointer-events:none;
}
.page-hero-copy{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:rgba(255,255,255,.55);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:var(--gold-2)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 13px;border-radius:999px;
 font-size:12.5px;letter-spacing:.4px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#e8ecff;
}
.chip--gold{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-2)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.16)}
.page-title{
 font-size:clamp(26px,3.1vw,40px);
 line-height:1.3;font-weight:800;letter-spacing:.5px;
}
.page-title span{color:var(--gold-2)}
.page-lead{
 margin-top:18px;max-width:620px;
 color:rgba(255,255,255,.79);
 font-size:15.5px;line-height:1.92;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-points{display:grid;gap:10px;margin-top:28px;max-width:560px}
.hero-points li{
 display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;
 font-size:14px;color:rgba(255,255,255,.78);
}
.hero-points li::before{
 content:"✓";display:grid;place-items:center;
 width:20px;height:20px;border-radius:7px;
 font-size:11px;font-weight:800;
 background:rgba(56,225,214,.18);color:var(--cyan);
 border:1px solid rgba(56,225,214,.4);
 margin-top:3px;
}
.hero-side{
 position:relative;z-index:2;align-self:start;
 border-radius:22px;overflow:hidden;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.16);
 backdrop-filter:blur(6px);
}
.hero-side-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.hero-side-media img{width:100%;height:100%;object-fit:cover}
.hero-side-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(16,20,44,0) 35%,rgba(16,20,44,.86) 100%);
}
.hero-side-caption{
 position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
 font-size:13px;color:rgba(255,255,255,.82);
}
.hero-side-body{padding:16px 18px 20px;display:grid;gap:10px}
.side-row{
 display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;
 padding:12px 14px;border-radius:14px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.side-row:hover{background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.42);transform:translateY(-2px)}
.side-row b{display:block;font-size:13.8px;color:#fff;font-weight:600}
.side-row em{font-style:normal;display:block;font-size:12px;color:rgba(255,255,255,.55);margin-top:3px}
.side-row .val{font-size:14px;font-weight:800;color:var(--gold-2)}
/* ---------- 板块 ---------- */
.section{padding:64px 0}
.section--tight{padding:48px 0}
.section--alt{background:var(--bg-alt)}
.section--dark{
 background-image:
 linear-gradient(120deg,rgba(16,20,44,.96),rgba(35,42,82,.94)),
 url("/assets/images/backpic/back-6.webp");
 background-size:cover;background-position:center;
 color:#fff;
}
.section-head{
 display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
 gap:18px;margin-bottom:34px;
}
.section-head-center{max-width:720px;margin:0 auto 34px;text-align:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:2px;font-weight:700;
 color:var(--gold-deep);text-transform:uppercase;
 margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.section--dark .eyebrow{color:var(--gold-2)}
.section-title{
 font-size:clamp(22px,2.4vw,30px);
 line-height:1.34;font-weight:800;letter-spacing:.4px;
}
.section-sub{margin-top:12px;color:var(--muted);font-size:14.8px;line-height:1.9;max-width:660px}
.section--dark .section-sub{color:rgba(255,255,255,.72)}
.section--dark .section-title{color:#fff}
/* ---------- 数据看板 ---------- */
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.stat-card b{
 display:block;font-size:30px;line-height:1.2;letter-spacing:.6px;
 background:linear-gradient(135deg,var(--ink),var(--ink-3));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card b i{font-style:normal;font-size:15px;color:var(--gold-deep);-webkit-text-fill-color:var(--gold-deep);margin-left:4px}
.stat-card span{display:block;margin-top:8px;font-size:13.4px;color:var(--muted);line-height:1.7}
/* ---------- 机型矩阵 ---------- */
.machine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.machine-card{
 display:flex;flex-direction:column;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 box-shadow:var(--shadow-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.machine-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.machine-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.machine-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.machine-card:hover .machine-media img{transform:scale(1.05)}
.machine-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,20,44,.05),rgba(16,20,44,.55))}
.machine-badge{
 position:absolute;left:14px;top:14px;z-index:2;
 padding:5px 12px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.4px;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 color:#1a1f3d;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.machine-level{
 position:absolute;right:14px;top:14px;z-index:2;
 padding:5px 11px;border-radius:999px;font-size:11.5px;
 background:rgba(26,31,61,.66);border:1px solid rgba(255,255,255,.28);
 color:#fff;backdrop-filter:blur(4px);
}
.machine-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.machine-body h3{font-size:17.5px;font-weight:800;letter-spacing:.3px}
.machine-body p{font-size:13.8px;color:var(--muted);line-height:1.82}
.spec-list{display:grid;gap:7px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line)}
.spec-list li{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.spec-list li b{color:var(--ink);font-weight:700}
.tag-row{display:flex;flex-wrap:wrap;gap:7px}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;
 font-size:11.8px;font-weight:600;
 background:rgba(26,31,61,.06);
 border:1px solid var(--line);
 color:var(--ink-3);
}
.tag--gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);color:var(--gold-deep)}
.tag--cyan{background:rgba(56,225,214,.14);border-color:rgba(56,225,214,.42);color:#0e7d76}
/* ---------- 关卡节奏 ---------- */
.pace-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pace-card{
 position:relative;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease;
}
.pace-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pace-step{
 display:inline-grid;place-items:center;
 width:38px;height:38px;border-radius:12px;
 font-size:15px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.3);
 margin-bottom:16px;
}
.pace-card h3{font-size:17px;font-weight:800}
.pace-time{display:block;margin-top:6px;font-size:12.5px;font-weight:700;color:var(--gold-deep);letter-spacing:1px}
.pace-card p{margin-top:12px;font-size:13.8px;color:var(--muted);line-height:1.85}
.pace-card ul{margin-top:14px;display:grid;gap:8px}
.pace-card ul li{
 position:relative;padding-left:18px;
 font-size:13.2px;color:var(--ink-3);line-height:1.75;
}
.pace-card ul li::before{
 content:"";position:absolute;left:0;top:9px;
 width:7px;height:7px;border-radius:50%;
 background:var(--cyan);box-shadow:0 0 0 3px rgba(56,225,214,.16);
}
/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
 border-radius:var(--radius);
 padding:26px 24px;
 background:var(--surface);
 border:1px solid var(--line);
 box-shadow:var(--shadow-sm);
}
.compare-col--bad{border-top:4px solid #e0644c}
.compare-col--good{border-top:4px solid #1fb89a}
.compare-col h3{font-size:17px;font-weight:800;display:flex;align-items:center;gap:9px}
.compare-col h3 span{
 display:inline-grid;place-items:center;width:26px;height:26px;border-radius:9px;
 font-size:13px;font-weight:800;
}
.compare-col--bad h3 span{background:rgba(224,100,76,.14);color:#c9462e}
.compare-col--good h3 span{background:rgba(31,184,154,.14);color:#0f8a72}
.compare-col ul{margin-top:16px;display:grid;gap:12px}
.compare-col ul li{
 display:grid;grid-template-columns:18px 1fr;gap:10px;
 font-size:13.8px;color:var(--muted);line-height:1.8;
}
.compare-col ul li::before{
 content:"·";display:grid;place-items:center;
 width:18px;height:18px;border-radius:6px;
 font-weight:800;font-size:13px;
}
.compare-col--bad ul li::before{content:"✕";background:rgba(224,100,76,.12);color:#c9462e;font-size:10px}
.compare-col--good ul li::before{content:"✓";background:rgba(31,184,154,.14);color:#0f8a72;font-size:10px}
.compare-note{
 margin-top:18px;padding:14px 16px;border-radius:var(--radius-sm);
 background:rgba(56,225,214,.1);
 border:1px dashed rgba(56,225,214,.5);
 font-size:13.4px;color:#0e6f6a;line-height:1.8;
}
/* ---------- 里程碑 ---------- */
.timeline{position:relative;display:grid;gap:16px;padding-left:26px}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.9),rgba(56,225,214,.55),rgba(255,255,255,.06));
}
.timeline li{
 position:relative;
 padding:18px 20px;
 border-radius:var(--radius-sm);
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.timeline li:hover{background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.4);transform:translateX(4px)}
.timeline li::before{
 content:"";position:absolute;left:-25px;top:24px;
 width:12px;height:12px;border-radius:50%;
 background:var(--gold);border:3px solid rgba(16,20,44,.9);
 box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.timeline b{display:block;font-size:15px;color:#fff}
.timeline em{font-style:normal;display:block;margin-top:3px;font-size:11.8px;letter-spacing:1.4px;color:var(--gold-2)}
.timeline p{margin-top:9px;font-size:13.4px;color:rgba(255,255,255,.72);line-height:1.82}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 22px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-cat{
 align-self:flex-start;
 padding:4px 11px;border-radius:999px;
 font-size:11.8px;font-weight:700;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.4);
 color:var(--gold-deep);
}
.news-card h3{font-size:16px;font-weight:800;line-height:1.6}
.news-card p{font-size:13.4px;color:var(--muted);line-height:1.8}
.news-time{margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:12.2px;color:#8b93ad;letter-spacing:.5px}
.news-empty{
 padding:34px 24px;border-radius:var(--radius);
 background:var(--surface);border:1px dashed var(--line);
 text-align:center;color:var(--muted);font-size:14px;
}
.news-foot{display:flex;justify-content:center;margin-top:30px}
/* ---------- 保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.assure-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(56,225,214,.55)}
.assure-icon{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--cyan),#9af6ef);
 margin-bottom:14px;
 box-shadow:0 8px 18px rgba(56,225,214,.28);
}
.assure-card h3{font-size:15.5px;font-weight:800}
.assure-card p{margin-top:9px;font-size:13.3px;color:var(--muted);line-height:1.82}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-sm);
 box-shadow:var(--shadow-sm);
 overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:18px 22px;
 font-size:15px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";display:grid;place-items:center;
 width:26px;height:26px;flex-shrink:0;border-radius:9px;
 font-size:16px;font-weight:700;
 background:rgba(255,180,0,.16);color:var(--gold-deep);
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(255,180,0,.28)}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.92}
/* ---------- 领取表单 ---------- */
.pick-card{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:44px;
 display:grid;grid-template-columns:1fr 1fr;gap:38px;
 color:#fff;
 background-image:
 linear-gradient(118deg,rgba(16,20,44,.96),rgba(35,42,82,.93)),
 url("/assets/images/backpic/back-8.gif");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
}
.pick-card::after{
 content:"";position:absolute;right:-120px;bottom:-160px;width:380px;height:380px;
 background:radial-gradient(circle,rgba(255,180,0,.26),transparent 68%);
 pointer-events:none;
}
.pick-copy{position:relative;z-index:2}
.pick-copy h2{font-size:clamp(21px,2.2vw,28px);line-height:1.4;font-weight:800}
.pick-copy p{margin-top:14px;font-size:14.6px;color:rgba(255,255,255,.76);line-height:1.9;max-width:480px}
.pick-list{display:grid;gap:10px;margin-top:22px}
.pick-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:rgba(255,255,255,.8)}
.pick-list li::before{
 content:"✓";display:grid;place-items:center;
 width:20px;height:20px;flex-shrink:0;border-radius:7px;
 font-size:11px;font-weight:800;margin-top:3px;
 background:rgba(56,225,214,.18);color:var(--cyan);
 border:1px solid rgba(56,225,214,.42);
}
.pick-form{
 position:relative;z-index:2;
 display:grid;gap:14px;
 padding:24px;border-radius:20px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 backdrop-filter:blur(6px);
 align-self:start;
}
.pick-form label{font-size:13px;font-weight:700;color:rgba(255,255,255,.86);display:grid;gap:8px}
.pick-form input,.pick-form select{
 width:100%;padding:12px 15px;border-radius:12px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.22);
 color:#fff;font-size:14px;
 transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.pick-form input::placeholder{color:rgba(255,255,255,.42)}
.pick-form input:focus,.pick-form select:focus{
 outline:none;border-color:var(--gold);
 background:rgba(255,255,255,.16);
 box-shadow:0 0 0 3px rgba(255,180,0,.24);
}
.pick-form select option{color:#1a1f3d}
.pick-form .btn{width:100%;margin-top:4px}
.form-tip{font-size:12.2px;color:rgba(255,255,255,.55);line-height:1.7}
.form-msg{font-size:13px;color:var(--cyan);min-height:20px;line-height:1.7}
/* ---------- 页脚 ---------- */
.site-footer{
 margin-top:70px;
 background:linear-gradient(160deg,#141833,#1a1f3d 55%,#20264a);
 color:rgba(255,255,255,.72);
 padding:56px 0 28px;
 border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:16px;font-weight:700;letter-spacing:.4px}
.footer-brand .brand-mark{width:38px;height:38px;font-size:17px;border-radius:12px}
.footer-about{margin-top:16px;font-size:13.6px;line-height:1.9;color:rgba(255,255,255,.6);max-width:420px}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:.6px;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{
 font-size:13.6px;color:rgba(255,255,255,.62);
 transition:color .2s ease,transform .2s ease;
 display:inline-block;
}
.footer-links a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 font-size:12.4px;color:rgba(255,255,255,.45);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .page-hero-card{grid-template-columns:1fr;padding:38px 32px;gap:30px}
 .hero-side{max-width:560px}
 .board-grid{grid-template-columns:repeat(2,1fr)}
 .machine-grid{grid-template-columns:repeat(2,1fr)}
 .pace-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .assure-grid{grid-template-columns:repeat(2,1fr)}
 .pick-card{grid-template-columns:1fr;padding:34px 28px;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .nav-cta{display:none}
 .nav-menu{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  flex-direction:column;align-items:stretch;gap:6px;
  margin:0;padding:12px;
  background:linear-gradient(135deg,rgba(26,31,61,.99),rgba(35,42,82,.99));
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
  box-shadow:0 22px 44px rgba(16,20,44,.4);
  display:none;
 }
 .nav-menu.is-open{display:flex}
 .nav-menu a{padding:12px 16px;text-align:left}
 .nav-shell{flex-wrap:wrap;gap:12px}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .section--tight{padding:36px 0}
 .compare-grid{grid-template-columns:1fr}
 .machine-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .assure-grid{grid-template-columns:1fr}
 .page-hero-card{padding:30px 22px}
 .hero-actions .btn{width:100%}
 .pick-card{padding:28px 20px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
 .board-grid{grid-template-columns:1fr}
 .brand-text{font-size:14.5px}
 .brand-text em{letter-spacing:1.2px;font-size:10px}
 .page-title{font-size:24px}
 .stat-card b{font-size:26px}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-2:#232a52;
 --ink-3:#2f3765;
 --gold:#ffb400;
 --gold-2:#ffd15c;
 --gold-deep:#a8760a;
 --cyan:#38e1d6;
 --bg:#f5f7fc;
 --bg-alt:#edf1fa;
 --surface:#ffffff;
 --text:#1a1f3d;
 --muted:#5f6885;
 --line:#e3e8f4;
 --radius-lg:26px;
 --radius:16px;
 --radius-sm:12px;
 --shadow-sm:0 4px 14px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 22px 54px rgba(16,20,44,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.7;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:10px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:90;padding-top:12px}
.nav-shell{
 display:flex;align-items:center;gap:18px;
 background:linear-gradient(135deg,rgba(26,31,61,.97),rgba(35,42,82,.97));
 border:1px solid rgba(255,255,255,.08);
 border-radius:22px;
 padding:10px 14px 10px 16px;
 box-shadow:0 18px 40px rgba(16,20,44,.26);
 backdrop-filter:blur(10px);
 position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand-mark{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a3d);
 color:#1a1f3d;font-weight:800;font-size:19px;
 box-shadow:0 8px 18px rgba(255,180,0,.32);
 flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:16px;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:500;color:rgba(255,255,255,.58);letter-spacing:1.8px;margin-top:4px}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
 display:block;padding:9px 15px;border-radius:999px;
 font-size:14.5px;color:rgba(255,255,255,.78);
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.is-active{
 color:#1a1f3d;font-weight:700;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.nav-menu a:active{transform:scale(.97)}
.nav-cta{
 margin-left:6px;padding:10px 18px;border-radius:999px;
 font-size:14px;font-weight:600;color:#8ff5ec;
 background:rgba(56,225,214,.14);
 border:1px solid rgba(56,225,214,.42);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
 white-space:nowrap;
}
.nav-cta:hover{background:rgba(56,225,214,.26);color:#fff;box-shadow:0 8px 20px rgba(56,225,214,.22)}
.nav-toggle{
 display:none;margin-left:auto;
 padding:9px 16px;border-radius:999px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#fff;font-size:14px;cursor:pointer;
}

/* ---------- Hero ---------- */
.hero{padding:26px 0 0}
.hero-stage{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-lg);
 color:#fff;
 background:#10142c;
}
.hero-stage__media{
 position:absolute;inset:0;
 background-image:
  linear-gradient(112deg,rgba(11,14,33,.95) 0%,rgba(20,24,52,.9) 48%,rgba(38,29,74,.82) 100%),
  url("/assets/images/backpic/back-2.webp");
 background-size:cover;
 background-position:center;
}
.hero-stage__media::after{
 content:"";position:absolute;right:-140px;bottom:-170px;width:440px;height:440px;
 background:radial-gradient(circle,rgba(255,180,0,.3),transparent 66%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
 gap:42px;padding:52px 48px 48px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 13px;border-radius:999px;
 font-size:12.5px;letter-spacing:.4px;
 background:rgba(255,255,255,.1);
 border:1px solid rgba(255,255,255,.2);
 color:#e8ecff;
}
.chip--gold{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-2)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.16)}
.hero-title{
 font-size:clamp(26px,3.2vw,42px);
 line-height:1.3;font-weight:800;letter-spacing:.5px;
}
.hero-title span{color:var(--gold-2)}
.hero-lead{
 margin-top:18px;max-width:620px;
 color:rgba(255,255,255,.79);
 font-size:15.5px;line-height:1.92;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:26px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;letter-spacing:.3px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-gold{
 background:linear-gradient(135deg,var(--gold),#ffc94d);
 color:#1a1f3d;
 box-shadow:0 12px 26px rgba(255,180,0,.34);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.44)}
.btn-ghost{
 color:#fff;background:rgba(255,255,255,.07);
 border-color:rgba(255,255,255,.34);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(26,31,61,.24)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.play-inline{display:inline-flex;align-items:center;gap:12px;color:#fff}
.play-dot{
 width:46px;height:46px;border-radius:50%;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold),#ff8a3d);
 color:#1a1f3d;font-size:14px;
 box-shadow:0 10px 24px rgba(255,180,0,.35);
 transition:transform .2s ease,box-shadow .2s ease;
 flex-shrink:0;
}
.play-inline:hover .play-dot{transform:scale(1.08);box-shadow:0 14px 30px rgba(255,180,0,.48)}
.play-inline b{display:block;font-size:14px;font-weight:700}
.play-inline em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.6);margin-top:2px}
.hero-stats{
 display:flex;flex-wrap:wrap;gap:34px;
 margin-top:30px;padding-top:22px;
 border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats b{display:block;font-size:23px;color:var(--gold-2);letter-spacing:.5px}
.hero-stats span{font-size:12.5px;color:rgba(255,255,255,.62)}
.hero-panel{
 position:relative;z-index:2;
 display:flex;flex-direction:column;gap:14px;
 padding:22px;border-radius:22px;
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 backdrop-filter:blur(6px);
 align-self:start;
}
.hero-panel h2{font-size:15px;font-weight:700;letter-spacing:.4px;display:flex;align-items:center;gap:8px}
.hero-panel h2 .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(56,225,214,.16)}
.panel-list{display:grid;gap:10px}
.panel-row{
 display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;
 padding:12px 15px;border-radius:14px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 transition:background .2s ease,border-color .2s ease;
}
.panel-row:hover{background:rgba(255,255,255,.12);border-color:rgba(255,180,0,.42)}
.panel-row b{display:block;font-size:13.6px;color:#fff;font-weight:600}
.panel-row em{display:block;font-style:normal;font-size:11.8px;color:rgba(255,255,255,.55);margin-top:2px}
.panel-row strong{font-size:13.5px;color:var(--gold-2);white-space:nowrap}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section--tight{padding:54px 0}
.section--alt{background:var(--bg-alt)}
.section--ink{
 background:linear-gradient(155deg,#151a36 0%,#232b55 62%,#2b2560 100%);
 color:#fff;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.6px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.36);
 color:var(--gold-deep);
}
.section--ink .eyebrow{color:var(--gold-2);background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.4)}
.section-head{
 display:flex;justify-content:space-between;align-items:flex-end;gap:28px;
 margin-bottom:34px;flex-wrap:wrap;
}
.section-head--center{flex-direction:column;align-items:flex-start}
.section-title{font-size:clamp(21px,2.4vw,29px);font-weight:800;letter-spacing:.4px;margin-top:14px}
.section-desc{max-width:560px;color:var(--muted);font-size:14.6px;line-height:1.92}
.section--ink .section-desc{color:rgba(255,255,255,.72)}
.section-link{
 font-size:14px;font-weight:600;color:var(--ink);
 padding:10px 20px;border-radius:999px;
 border:1px solid var(--line);background:#fff;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 white-space:nowrap;
}
.section-link:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.6)}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
 background:var(--surface);
 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;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.metric-tag{
 display:inline-block;padding:3px 10px;border-radius:999px;
 font-size:11.5px;font-weight:600;letter-spacing:.4px;
 background:rgba(56,225,214,.14);color:#12726c;
 margin-bottom:12px;
}
.metric b{display:block;font-size:29px;line-height:1.2;color:var(--ink);letter-spacing:.4px}
.metric span{display:block;margin-top:6px;font-size:13.6px;color:var(--ink-3);font-weight:600}
.metric em{display:block;font-style:normal;margin-top:8px;font-size:12.6px;color:var(--muted);line-height:1.75}

/* ---------- 奖励矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.matrix-card{
 position:relative;overflow:hidden;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px 22px 22px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card::before{
 content:"";position:absolute;top:0;left:0;right:0;height:4px;
 background:linear-gradient(90deg,var(--gold),#ff8a3d 60%,var(--cyan));
 opacity:.9;
}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.matrix-card .tag{
 display:inline-block;padding:4px 11px;border-radius:999px;
 font-size:11.8px;font-weight:600;
 background:rgba(26,31,61,.06);color:var(--ink-3);
 margin-bottom:12px;
}
.matrix-card h3{font-size:17px;font-weight:800;letter-spacing:.3px}
.matrix-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.86}
.matrix-card .factor{
 margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
 display:flex;justify-content:space-between;align-items:center;gap:10px;
 font-size:12.8px;color:var(--muted);
}
.matrix-card .factor strong{color:var(--gold-deep);font-size:14px}

/* ---------- 结果对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-card{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 padding:26px 24px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.compare-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.44);transform:translateY(-3px)}
.compare-card--lead{background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.42)}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.compare-head h3{font-size:17.5px;font-weight:800}
.compare-badge{
 font-size:11.8px;padding:4px 11px;border-radius:999px;
 background:rgba(255,255,255,.14);color:#fff;white-space:nowrap;
}
.compare-card--lead .compare-badge{background:var(--gold);color:#1a1f3d;font-weight:700}
.compare-card > p{font-size:13.6px;color:rgba(255,255,255,.68);line-height:1.85;margin-bottom:20px}
.bar-item{margin-bottom:18px}
.bar-item:last-child{margin-bottom:0}
.bar-label{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:8px}
.bar-label strong{color:#fff}
.bar{height:10px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#8f97b5,#c3c9de);transition:width .8s ease}
.compare-card--lead .bar i{background:linear-gradient(90deg,var(--gold),#ff8a3d)}

/* ---------- 节奏四步 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.flow-step{
 position:relative;
 background:var(--surface);
 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);border-color:rgba(56,225,214,.55)}
.step-num{
 width:40px;height:40px;border-radius:14px;
 display:grid;place-items:center;
 font-size:16px;font-weight:800;color:#1a1f3d;
 background:linear-gradient(135deg,var(--gold),var(--gold-2));
 box-shadow:0 8px 18px rgba(255,180,0,.28);
 margin-bottom:16px;
}
.flow-step h3{font-size:16px;font-weight:800}
.flow-step .step-time{
 display:inline-block;margin-top:6px;font-size:12px;color:var(--gold-deep);font-weight:600;
}
.flow-step p{margin-top:10px;font-size:13.6px;color:var(--muted);line-height:1.85}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{
 display:flex;flex-direction:column;
 background:var(--surface);
 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(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.news-tag{
 align-self:flex-start;
 padding:4px 11px;border-radius:999px;
 font-size:11.8px;font-weight:600;
 background:rgba(255,180,0,.16);color:var(--gold-deep);
 margin-bottom:12px;
}
.news-card h3{font-size:16px;font-weight:800;line-height:1.55}
.news-card p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.85;flex:1}
.news-meta{
 margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;align-items:center;
 font-size:12.5px;color:var(--muted);
}
.news-meta .more{color:var(--ink-3);font-weight:700}
.news-empty{
 padding:34px 26px;border-radius:var(--radius);
 background:var(--surface);border:1px dashed var(--line);
 text-align:center;color:var(--muted);font-size:14px;
}

/* ---------- 平台保障 ---------- */
.assure-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;align-items:center}
.assure-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-lg);
}
.assure-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.assure-figure figcaption{
 position:absolute;left:16px;right:16px;bottom:16px;
 padding:12px 16px;border-radius:14px;
 background:rgba(16,20,44,.78);
 border:1px solid rgba(255,255,255,.16);
 color:#fff;font-size:13px;line-height:1.7;
 backdrop-filter:blur(6px);
}
.assure-list{display:grid;gap:14px}
.assure-item{
 display:grid;grid-template-columns:38px 1fr;gap:14px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:18px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.assure-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.assure-item .icon{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:rgba(56,225,214,.15);color:#12726c;font-weight:800;font-size:15px;
}
.assure-item h3{font-size:15.5px;font-weight:800}
.assure-item p{margin-top:6px;font-size:13.6px;color:var(--muted);line-height:1.82}

/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.quick-card{
 background:linear-gradient(150deg,#ffffff,#f7f9ff);
 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;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(56,225,214,.5)}
.quick-card h3{font-size:15.5px;font-weight:800;line-height:1.6}
.quick-card p{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.85}
.quick-card .q-mark{
 display:inline-grid;place-items:center;
 width:28px;height:28px;border-radius:10px;
 background:var(--ink);color:var(--gold-2);
 font-size:13px;font-weight:800;margin-bottom:12px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:4px 22px;
 box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 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:28px;height:28px;border-radius:9px;
 display:grid;place-items:center;
 background:rgba(26,31,61,.06);color:var(--ink-3);
 font-size:17px;font-weight:700;line-height:1;
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--gold);color:#1a1f3d;transform:rotate(180deg)}
.faq-item p{padding:0 0 20px;font-size:14.2px;color:var(--muted);line-height:1.92}

/* ---------- 转化表单 ---------- */
.pick-wrap{
 display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;
}
.pick-copy h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;letter-spacing:.4px;margin-top:14px}
.pick-copy p{margin-top:16px;font-size:14.6px;line-height:1.95;color:rgba(255,255,255,.74);max-width:520px}
.pick-points{display:grid;gap:10px;margin-top:22px}
.pick-points li{
 display:flex;align-items:flex-start;gap:10px;
 font-size:14px;color:rgba(255,255,255,.8);
}
.pick-points li::before{
 content:"✓";flex-shrink:0;
 width:20px;height:20px;border-radius:7px;
 display:grid;place-items:center;
 background:rgba(56,225,214,.18);color:var(--cyan);
 font-size:12px;font-weight:800;margin-top:3px;
}
.pick-form{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:28px 26px;
 backdrop-filter:blur(6px);
 display:grid;gap:16px;
}
.field{display:grid;gap:8px}
.field label{font-size:13px;font-weight:600;color:rgba(255,255,255,.82);letter-spacing:.3px}
.field input,.field select{
 width:100%;padding:12px 15px;border-radius:12px;
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.2);
 color:#fff;font-size:14.5px;
 transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus,.field select:focus{
 outline:none;border-color:var(--gold);
 background:rgba(255,255,255,.14);
 box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.field select option{color:#1a1f3d}
.pick-form .btn{width:100%;margin-top:4px}
.form-note{font-size:12.4px;color:rgba(255,255,255,.5);line-height:1.7}
.form-msg{
 display:none;padding:12px 15px;border-radius:12px;
 background:rgba(56,225,214,.16);border:1px solid rgba(56,225,214,.44);
 color:#b9fff8;font-size:13.4px;
}
.form-msg.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
 margin-top:68px;
 background:linear-gradient(160deg,#13172f 0%,#1e2450 68%,#2a2560 100%);
 color:#fff;padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-about{color:rgba(255,255,255,.62);font-size:14px;line-height:1.9;max-width:430px}
.footer-col h3{font-size:13.5px;letter-spacing:1.2px;color:var(--gold-2);margin-bottom:14px;font-weight:700}
.footer-links{display:grid;gap:9px}
.footer-links a{
 color:rgba(255,255,255,.68);font-size:14px;
 transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 margin-top:38px;padding-top:18px;
 border-top:1px solid rgba(255,255,255,.12);
 color:rgba(255,255,255,.45);font-size:12.8px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:30px;padding:44px 34px 40px}
 .hero-panel{max-width:560px}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .assure-wrap{grid-template-columns:1fr;gap:26px}
 .pick-wrap{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
 .nav-shell{flex-wrap:wrap;gap:12px}
 .nav-toggle{display:block;order:2}
 .nav-cta{display:none}
 .nav-menu{
  order:4;display:none;flex-direction:column;align-items:stretch;gap:6px;
  width:100%;margin-left:0;padding:14px;
  background:linear-gradient(135deg,rgba(26,31,61,.98),rgba(35,42,82,.98));
  border:1px solid rgba(255,255,255,.12);
  border-radius:18px;
 }
 .nav-menu.is-open{display:flex}
 .nav-menu a{padding:12px 16px;border-radius:12px;text-align:center}
 .nav-menu a.is-active{justify-content:center}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .section--tight{padding:42px 0}
 .hero-inner{padding:34px 22px 32px}
 .hero-stats{gap:22px}
 .hero-stats b{font-size:20px}
 .section-head{flex-direction:column;align-items:flex-start;gap:16px}
 .compare-grid{grid-template-columns:1fr}
 .quick-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-title{font-size:26px}
 .hero-lead{font-size:14.6px}
 .hero-actions{gap:14px}
 .btn{padding:12px 20px;font-size:14.2px}
 .hero-actions .btn{width:100%}
 .play-inline{width:100%}
 .metric-grid{grid-template-columns:1fr}
 .matrix-grid{grid-template-columns:1fr}
 .flow-grid{grid-template-columns:1fr}
 .brand-text{font-size:14.5px}
 .brand-text em{font-size:9.6px;letter-spacing:1.2px}
 .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
 .pick-form{padding:22px 18px}
 .section-title{font-size:21px}
}