/* roulang page: index */
:root{
  --ink:#0b101b;
  --ink-2:#131b2a;
  --ink-3:#1d2739;
  --gold:#d8a84b;
  --gold-soft:#f2d896;
  --gold-deep:#b98a2f;
  --bg:#f4f6fa;
  --surface:#ffffff;
  --text:#1b2233;
  --muted:#68708a;
  --muted-2:#8b93a8;
  --border:#e4e8f1;
  --border-strong:#d3d9e6;
  --radius-xl:22px;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:8px;
  --shadow-xs:0 1px 3px rgba(14,20,34,.06);
  --shadow-sm:0 4px 14px rgba(14,20,34,.07);
  --shadow-md:0 12px 30px rgba(14,20,34,.10);
  --shadow-lg:0 24px 60px rgba(14,20,34,.16);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.35;font-weight:700;color:var(--ink)}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(216,168,75,.65);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .25s ease,background .25s ease}
.site-header.is-scrolled{padding:8px 0;background:linear-gradient(180deg,rgba(244,246,250,.96),rgba(244,246,250,.82));backdrop-filter:blur(10px)}
.nav-shell{
  position:relative;
  display:flex;align-items:center;gap:18px;
  padding:9px 12px 9px 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--border);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(14px);
  transition:box-shadow .25s ease,transform .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-md)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--gold),var(--gold-deep));
  color:#1a1408;font-weight:800;font-size:17px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(190,148,60,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:#f0f3f9}
.nav-links a.active{color:var(--ink);background:#f2f5fb}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:3px;background:var(--gold);
}
.nav-cta{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:linear-gradient(140deg,var(--gold),var(--gold-deep));
  color:#1a1408;font-size:15px;font-weight:800;
  box-shadow:0 8px 18px rgba(190,148,60,.32);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 24px rgba(190,148,60,.42)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:10px;
  font-size:15.5px;font-weight:700;letter-spacing:.2px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{
  background:linear-gradient(140deg,var(--gold-soft),var(--gold));
  color:#22190a;
  box-shadow:0 10px 24px rgba(190,148,60,.38);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(190,148,60,.5)}
.btn-ghost{
  border:1.5px solid rgba(240,216,150,.55);color:#f4e7c7;background:rgba(255,255,255,.04);
}
.btn-ghost:hover{border-color:var(--gold-soft);color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--border-strong);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  background:#f1f4fa;color:#556080;border:1px solid var(--border);
}
.tag-gold{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.35)}

/* ============ 板块通用 ============ */
.section{padding:76px 0;position:relative}
.section--white{background:var(--surface)}
.section--tint{background:#eef1f8}
.section--dark{background:var(--ink);color:#d9dfec}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--gold-deep);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--gold)}
.section--dark .sec-kicker{color:var(--gold-soft)}
.section-head h2{font-size:31px;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--dark .section-head p{color:#9aa4bd}

.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8e8}
.card-thumb{position:relative;overflow:hidden;background:#eaeef6;aspect-ratio:16/10}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-thumb img{transform:scale(1.05)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;letter-spacing:-.2px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding-top:6px}
.card-meta{font-size:12.8px;color:var(--muted-2);font-weight:600}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink);
  color:#eef1f8;
  padding:54px 0 82px;
  margin-top:-6px;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/6809abe0d7400f4d.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(circle at 14% 12%,rgba(216,168,75,.26),transparent 55%),
    radial-gradient(circle at 88% 78%,rgba(58,88,150,.30),transparent 58%),
    linear-gradient(180deg,rgba(8,12,20,.55) 0%,rgba(8,12,20,.86) 62%,rgba(11,16,27,.98) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;
  background:rgba(216,168,75,.14);
  border:1px solid rgba(216,168,75,.42);
  color:var(--gold-soft);
  font-size:13px;font-weight:800;letter-spacing:.8px;
  margin-bottom:20px;
}
.hero-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(216,168,75,.22)}
.hero h1{
  font-size:42px;line-height:1.24;letter-spacing:-.8px;
  color:#fff;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero-lead{
  font-size:16px;line-height:1.9;color:#b9c2d6;
  max-width:620px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  padding:6px 15px;border-radius:999px;
  font-size:13px;font-weight:700;color:#c8d1e4;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}

/* 等级徽章卡 */
.badge-card{
  position:relative;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(240,216,150,.28);
  border-radius:var(--radius-xl);
  padding:26px 24px 24px;
  backdrop-filter:blur(12px);
  box-shadow:0 26px 60px rgba(0,0,0,.36);
}
.badge-card::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--radius-xl);
  padding:1px;pointer-events:none;
  background:linear-gradient(140deg,rgba(240,216,150,.7),rgba(240,216,150,0) 42%,rgba(240,216,150,.42));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.badge-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.badge-head h2{font-size:16px;color:#fff;letter-spacing:.4px}
.badge-head span{font-size:12px;font-weight:700;color:var(--gold-soft);letter-spacing:1px}
.badge-list{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.badge-row{display:flex;align-items:center;gap:12px}
.badge-icon{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
}
.badge-icon.b1{background:linear-gradient(140deg,#8f7a5c,#5c4c36);color:#f3e6cf}
.badge-icon.b2{background:linear-gradient(140deg,#c9d2de,#8d99ad);color:#232a36}
.badge-icon.b3{background:linear-gradient(140deg,var(--gold-soft),var(--gold-deep));color:#241b09}
.badge-row-body{flex:1;min-width:0}
.badge-row-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px}
.badge-row-top strong{font-size:14px;color:#f2f5fb;font-weight:700}
.badge-row-top em{font-style:normal;font-size:12px;color:var(--muted-2);font-weight:600}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft))}
.badge-card .btn{width:100%}
.badge-note{margin-top:14px;font-size:12.6px;color:#909ab4;line-height:1.7}

/* ============ 卖点三连 ============ */
.feature-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8e8}
.feature-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#fdf4e0,#f5e4bd);
  border:1px solid rgba(216,168,75,.32);
  margin-bottom:18px;
}
.feature-icon svg{width:24px;height:24px;stroke:var(--gold-deep);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:19px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ 合集目录 ============ */
.dir-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.dir-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8e8}
.dir-thumb{
  width:112px;height:88px;border-radius:var(--radius);overflow:hidden;flex-shrink:0;background:#eaeef6;
}
.dir-thumb img{width:100%;height:100%;object-fit:cover}
.dir-body h3{font-size:17px;margin-bottom:7px}
.dir-body p{font-size:14px;color:var(--muted);line-height:1.72}
.dir-body .tag{margin-bottom:9px}

/* ============ 分类入口矩阵 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:30px 26px 28px;
  background:linear-gradient(160deg,#141d2e,#0b101b);
  border:1px solid rgba(240,216,150,.2);
  color:#c5cde0;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel:hover{transform:translateY(-4px);box-shadow:0 24px 48px rgba(11,16,27,.36);border-color:rgba(240,216,150,.5)}
.channel-no{
  font-size:12px;font-weight:800;letter-spacing:2px;color:var(--gold-soft);
  margin-bottom:14px;display:block;
}
.channel h3{font-size:21px;color:#fff;margin-bottom:10px}
.channel p{font-size:14px;line-height:1.8;color:#98a2ba;margin-bottom:20px}
.channel-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:800;color:var(--gold-soft);
}
.channel-link::after{content:"→";transition:transform .2s ease}
.channel:hover .channel-link::after{transform:translateX(4px)}

/* ============ 数据指标条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.metric{padding:30px 22px;text-align:center;border-right:1px solid var(--border)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:32px;font-weight:800;color:var(--ink);letter-spacing:-1px;line-height:1.2}
.metric strong span{font-size:15px;font-weight:700;color:var(--gold-deep);margin-left:2px}
.metric em{display:block;font-style:normal;font-size:13.5px;color:var(--muted);margin-top:8px;font-weight:600}

/* ============ 场景演示 ============ */
.demo-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:stretch}
.demo-steps{display:flex;flex-direction:column;gap:14px}
.step{
  display:flex;gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:18px 20px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(216,168,75,.6);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.step-no{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--gold-soft);
  font-size:13.5px;font-weight:800;
}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted);line-height:1.75}
.demo-panel{
  background:linear-gradient(165deg,#131b2a,#0b101b);
  border:1px solid rgba(240,216,150,.22);
  border-radius:var(--radius-xl);
  padding:28px 26px;
  color:#c3ccdf;
  box-shadow:var(--shadow-lg);
  display:flex;flex-direction:column;gap:16px;
}
.demo-panel h3{color:#fff;font-size:17px;letter-spacing:.3px}
.demo-panel .tag{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14);color:#c3ccdf}
.demo-rows{display:flex;flex-direction:column;gap:12px;margin-top:2px}
.demo-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.12)}
.demo-row:last-child{border-bottom:0;padding-bottom:0}
.demo-row span{font-size:13.8px;color:#98a2ba}
.demo-row strong{font-size:14.5px;color:var(--gold-soft);font-weight:800}
.demo-meter{height:7px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:6px}
.demo-meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-soft))}
.demo-foot{font-size:12.8px;color:#818da6;line-height:1.7;margin-top:auto}

/* ============ 资讯列表 ============ */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:34px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:block;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px 24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8e8}
.news-item h3{font-size:17.5px;margin:10px 0 8px;transition:color .2s ease}
.news-item:hover h3{color:var(--gold-deep)}
.news-item p{font-size:14px;color:var(--muted);line-height:1.75}
.news-item time{display:inline-block;margin-top:12px;font-size:12.6px;color:var(--muted-2);font-weight:600}
.news-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sidebar{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px 22px;
  box-shadow:var(--shadow-xs);
}
.sidebar h3{font-size:16px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{
  display:block;padding-left:14px;position:relative;
  font-size:14.2px;color:var(--muted);line-height:1.7;
  transition:color .2s ease;
}
.side-list a::before{
  content:"";position:absolute;left:0;top:9px;
  width:5px;height:5px;border-radius:50%;background:var(--gold);
}
.side-list a:hover{color:var(--ink)}
.side-list time{display:block;font-size:12.4px;color:var(--muted-2);margin-top:3px}
.empty-note{
  background:var(--surface);border:1px dashed var(--border-strong);
  border-radius:var(--radius-lg);padding:34px 24px;text-align:center;
  color:var(--muted);font-size:14.5px;
}

/* ============ 收藏分享 ============ */
.share-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.share-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease;
}
.share-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.share-card h3{font-size:18px;margin-bottom:10px}
.share-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.chip-row{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:#f1f4fa;color:#556080;border:1px solid var(--border);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.4)}

/* ============ 专题索引 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.topic-item{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(216,168,75,.55)}
.topic-idx{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:#f2f5fb;color:var(--gold-deep);
  font-size:15px;font-weight:800;
  border:1px solid var(--border);
}
.topic-item h3{font-size:16.5px;margin-bottom:6px}
.topic-item p{font-size:14px;color:var(--muted);line-height:1.75}

/* ============ 用户口碑 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-xs);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quote-mark{font-size:30px;line-height:1;color:rgba(216,168,75,.62);font-weight:800}
.quote p{font-size:14.5px;color:var(--muted);line-height:1.85}
.quote-user{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:6px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#fdf4e0,#f0dcae);
  color:#8d6716;font-weight:800;font-size:14px;
  border:1px solid rgba(216,168,75,.35);
}
.quote-user strong{display:block;font-size:14px;color:var(--ink)}
.quote-user em{display:block;font-style:normal;font-size:12.4px;color:var(--muted-2)}

/* ============ 对比表 ============ */
.compare{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.compare-head,.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;align-items:center}
.compare-head{background:var(--ink);color:#e8edf7}
.compare-head div{padding:18px 22px;font-size:14.5px;font-weight:800;letter-spacing:.3px}
.compare-head div:nth-child(2){color:#a6b1c8}
.compare-head div:nth-child(3){color:var(--gold-soft)}
.compare-row{border-top:1px solid var(--border)}
.compare-row div{padding:17px 22px;font-size:14.4px;line-height:1.7}
.compare-row div:first-child{font-weight:700;color:var(--ink);background:#fafbfe}
.compare-row div:nth-child(2){color:var(--muted)}
.compare-row div:nth-child(3){color:#3d4a66;font-weight:600;background:rgba(216,168,75,.06)}

/* ============ 保障条 ============ */
.guard-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:linear-gradient(160deg,#131b2a,#0b101b);
  border:1px solid rgba(240,216,150,.22);
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.guard{
  padding:28px 22px;text-align:center;
  border-right:1px solid rgba(255,255,255,.09);
}
.guard:last-child{border-right:0}
.guard svg{width:26px;height:26px;stroke:var(--gold-soft);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 12px}
.guard strong{display:block;font-size:15px;color:#fff;margin-bottom:6px}
.guard span{font-size:13px;color:#8e99b2;line-height:1.65;display:block}

/* ============ 痛点清单 ============ */
.pain-list{display:flex;flex-direction:column;gap:14px}
.pain{
  display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:20px 24px;
  box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pain:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(216,168,75,.5)}
.pain-no{
  font-size:19px;font-weight:800;color:rgba(216,168,75,.85);
  letter-spacing:-.5px;
}
.pain-body h3{font-size:16.5px;margin-bottom:6px}
.pain-body p{font-size:14px;color:var(--muted);line-height:1.75}
.pain-solve{
  font-size:13px;font-weight:800;color:#8d6716;
  background:rgba(216,168,75,.14);
  border:1px solid rgba(216,168,75,.35);
  border-radius:999px;padding:6px 14px;white-space:nowrap;
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-xs);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(216,168,75,.6);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;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:"";flex-shrink:0;width:10px;height:10px;
  border-right:2px solid var(--gold-deep);border-bottom:2px solid var(--gold-deep);
  transform:rotate(45deg);transition:transform .25s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ============ 收口 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#141d2e,#0a0f19 70%);
  border-radius:var(--radius-xl);
  padding:56px 48px;
  border:1px solid rgba(240,216,150,.25);
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(216,168,75,.35),transparent 66%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;letter-spacing:-.4px;margin-bottom:14px}
.cta-band p{color:#a9b3c9;font-size:15px;line-height:1.85;max-width:560px}
.cta-side{display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}
.cta-side .btn{width:100%}
.cta-note{font-size:12.8px;color:#828da5;line-height:1.7;text-align:center}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:#93a0b9;
  padding:58px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;
  gap:44px;padding-bottom:44px;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand span{font-size:17px;font-weight:800;color:#fff}
.footer-about{font-size:14px;line-height:1.85;color:#8b97b0;max-width:340px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{
  font-size:14px;color:#8b97b0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--gold-soft);padding-left:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6f7a92;
}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .hero h1{font-size:36px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .badge-card{max-width:520px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border)}
  .channel-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .demo-wrap{grid-template-columns:1fr}
  .guard-bar{grid-template-columns:repeat(2,1fr)}
  .guard:nth-child(2){border-right:0}
  .guard:nth-child(1),.guard:nth-child(2){border-bottom:1px solid rgba(255,255,255,.09)}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--border);
    border-radius:var(--radius-lg);
    padding:12px;
    box-shadow:var(--shadow-lg);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 16px;border-radius:10px;font-size:15.5px}
  .nav-links a.active::after{display:none}
  .nav-cta{display:none}
  .grid-3{grid-template-columns:1fr 1fr}
  .topic-grid{grid-template-columns:1fr}
  .share-wrap{grid-template-columns:1fr}
  .section{padding:62px 0}
  .section-head h2{font-size:27px}
}
@media (max-width:680px){
  .container{padding:0 16px}
  .nav-shell{padding:8px 8px 8px 14px}
  .brand-text{font-size:15px}
  .hero{padding:40px 0 62px}
  .hero h1{font-size:28px;letter-spacing:-.4px;line-height:1.3}
  .hero-lead{font-size:15px;line-height:1.85}
  .hero-actions .btn{width:100%}
  .badge-card{padding:22px 18px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--border)}
  .metric:last-child{border-bottom:0}
  .guard-bar{grid-template-columns:1fr}
  .guard{border-right:0;border-bottom:1px solid rgba(255,255,255,.09)}
  .guard:last-child{border-bottom:0}
  .compare-head,.compare-row{grid-template-columns:1fr}
  .compare-head div:nth-child(2),.compare-head div:nth-child(3){display:none}
  .compare-row div{padding:12px 20px}
  .compare-row div:nth-child(2),.compare-row div:nth-child(3){padding-top:0}
  .compare-row div:nth-child(2)::before{content:"街机厅：";font-weight:700;color:var(--ink-2)}
  .compare-row div:nth-child(3)::before{content:"本站详解：";font-weight:700;color:var(--gold-deep)}
  .pain{grid-template-columns:1fr;gap:10px}
  .pain-no{font-size:16px}
  .pain-solve{justify-self:start}
  .dir-item{flex-direction:column}
  .dir-thumb{width:100%;height:150px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:34px 22px}
  .cta-band h2{font-size:24px}
  .section-head h2{font-size:24px}
  .faq-item summary{font-size:15.5px;padding:17px 18px}
  .faq-body{padding:0 18px 18px;font-size:14.4px}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.6px}
}

/* roulang page: article */
:root{
 --ink:#0b101b;
 --ink-2:#131b2a;
 --ink-3:#1d2739;
 --gold:#d8a84b;
 --gold-soft:#f2d896;
 --gold-deep:#b98a2f;
 --bg:#f4f6fa;
 --surface:#ffffff;
 --text:#1b2233;
 --muted:#68708a;
 --muted-2:#8b93a8;
 --border:#e4e8f1;
 --border-strong:#d3d9e6;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-xs:0 1px 3px rgba(14,20,34,.06);
 --shadow-sm:0 4px 14px rgba(14,20,34,.07);
 --shadow-md:0 12px 30px rgba(14,20,34,.10);
 --shadow-lg:0 24px 60px rgba(14,20,34,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.2em}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(216,168,75,.55);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .25s ease,background .25s ease}
.site-header.is-scrolled{padding:8px 0;background:linear-gradient(180deg,rgba(244,246,250,.96),rgba(244,246,250,.82));backdrop-filter:blur(10px)}
.nav-shell{
 position:relative;
 display:flex;align-items:center;gap:18px;
 padding:9px 12px 9px 18px;
 background:rgba(255,255,255,.92);
 border:1px solid var(--border);
 border-radius:999px;
 box-shadow:var(--shadow-sm);
 backdrop-filter:blur(14px);
 transition:box-shadow .25s ease,transform .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-md)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-weight:800;font-size:17px;letter-spacing:.5px;
 box-shadow:0 6px 16px rgba(190,148,60,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 position:relative;display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:#f0f3f9}
.nav-links a.active{color:var(--ink);background:#f2f5fb}
.nav-links a.active::after{
 content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
 width:16px;height:3px;border-radius:3px;background:var(--gold);
}
.nav-cta{
 flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
 height:40px;padding:0 20px;border-radius:999px;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-size:15px;font-weight:800;
 box-shadow:0 8px 18px rgba(190,148,60,.32);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 24px rgba(190,148,60,.42)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:50%;
 align-items:center;justify-content:center;
 border:1px solid var(--border);background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 26px;border-radius:10px;
 font-size:15.5px;font-weight:700;letter-spacing:.2px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 color:#22190a;
 box-shadow:0 10px 24px rgba(190,148,60,.38);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(190,148,60,.5)}
.btn-ghost{
 border:1.5px solid rgba(240,216,150,.55);color:#f4e7c7;background:rgba(255,255,255,.04);
}
.btn-ghost:hover{border-color:var(--gold-soft);color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--border-strong);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
 background:#f1f4fa;color:#556080;border:1px solid var(--border);
}
.tag-gold{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.35)}
/* ============ 板块通用 ============ */
.section{padding:76px 0;position:relative}
.section--white{background:var(--surface)}
.section--tint{background:#eef1f8}
.section--dark{background:var(--ink);color:#d9dfec}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section--dark .sec-kicker{color:var(--gold-soft)}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--gold-deep);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section-head h2{font-size:31px;line-height:1.4;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--dark .section-head p{color:#9aa4bd}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* ============ 卡片 ============ */
.card{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);
 overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#dfe4ee}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.5;letter-spacing:-.1px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}
/* ============ 文章头部 ============ */
.article-hero{
 position:relative;overflow:hidden;
 background:
  radial-gradient(900px 460px at 88% -14%,rgba(216,168,75,.22),transparent 62%),
  linear-gradient(160deg,#0b101b 0%,#141d2e 58%,#1b2437 100%);
 color:#e7ebf4;padding:52px 0 64px;
}
.article-hero::after{
 content:"";position:absolute;inset:auto 0 0 0;height:120px;
 background:linear-gradient(180deg,rgba(11,16,27,0),rgba(244,246,250,.10));
 pointer-events:none;
}
.article-hero__grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:start;position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#8d97b0;margin-bottom:18px;flex-wrap:wrap}
.breadcrumb span.dot{width:4px;height:4px;border-radius:50%;background:#4d566e}
.article-hero .tag-gold{background:rgba(240,216,150,.14);color:var(--gold-soft);border-color:rgba(240,216,150,.35)}
.article-hero h1{
 font-size:clamp(26px,3.3vw,38px);
 line-height:1.34;letter-spacing:-.5px;color:#fff;
 margin:16px 0 18px;font-weight:800;
}
.article-lead{font-size:15.5px;line-height:1.85;color:#a9b3c9;max-width:62ch}
.article-meta{
 display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
 margin-top:24px;font-size:13.5px;color:#8d97b0;
}
.article-meta b{color:#e8ecf5;font-weight:700}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#4d566e}
/* 作者条 */
.author-bar{
 margin-top:26px;display:flex;align-items:center;gap:14px;
 padding:14px 18px;border-radius:16px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.11);
 backdrop-filter:blur(6px);
 max-width:520px;
}
.author-avatar{
 width:46px;height:46px;border-radius:14px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--gold-soft),var(--gold-deep));
 color:#1a1408;font-weight:800;font-size:18px;
 box-shadow:0 8px 18px rgba(190,148,60,.35);
}
.author-name{font-size:15px;font-weight:800;color:#fff;line-height:1.4}
.author-note{font-size:12.5px;color:#94a0b8;line-height:1.6}
.author-bar .btn{margin-left:auto;min-height:38px;padding:0 16px;font-size:13.5px;border-radius:999px}
/* Hero 侧栏 */
.hero-side{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius-xl);
 padding:16px;
 box-shadow:var(--shadow-lg);
 backdrop-filter:blur(8px);
}
.hero-side figure{margin:0;border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:#1c2537}
.hero-side figure img{width:100%;height:100%;object-fit:cover}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stat-badge{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.12);
 border-radius:12px;padding:10px 8px;text-align:center;
}
.stat-badge strong{display:block;font-size:18px;color:var(--gold-soft);line-height:1.3;letter-spacing:-.3px}
.stat-badge span{display:block;font-size:11.5px;color:#909bb4;margin-top:2px;letter-spacing:.2px}
/* ============ 文章主体 ============ */
.article-wrap{padding:64px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:34px}
.panel{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-xl);
 box-shadow:var(--shadow-sm);
 padding:34px 38px 38px;
}
.prose{font-size:16.5px;line-height:1.9;color:#28304a;max-width:none;overflow-wrap:break-word}
.prose h2{
 font-size:23px;line-height:1.5;color:var(--ink);
 margin:38px 0 14px;padding-left:14px;position:relative;letter-spacing:-.2px;
}
.prose h2::before{
 content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;
 background:linear-gradient(180deg,var(--gold-soft),var(--gold-deep));
}
.prose h3{font-size:19px;line-height:1.55;color:var(--ink-2);margin:28px 0 10px}
.prose h4{font-size:16.5px;color:var(--ink-3);margin:22px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{margin-bottom:9px}
.prose li::marker{color:var(--gold-deep)}
.prose strong{color:#12192b;font-weight:800}
.prose a{color:var(--gold-deep);border-bottom:1px solid rgba(216,168,75,.5);transition:color .2s ease,border-color .2s ease}
.prose a:hover{color:#8d6716;border-color:#8d6716}
.prose img{border-radius:14px;margin:24px 0;box-shadow:var(--shadow-sm);width:100%;height:auto}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--muted-2);text-align:center;margin-top:8px}
.prose blockquote{
 margin:24px 0;padding:18px 22px;border-radius:0 14px 14px 0;
 border-left:4px solid var(--gold);background:#faf5e8;color:#5c4a22;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border-radius:12px;overflow:hidden}
.prose th,.prose td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.prose th{background:#f2f5fb;font-weight:800;color:var(--ink-2)}
.prose tr:nth-child(even) td{background:#fafbfe}
.prose hr{border:0;border-top:1px solid var(--border);margin:32px 0}
.empty-state{text-align:center;padding:26px 10px 12px}
.empty-state h2{font-size:24px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:24px}
/* 文末要点 */
.key-points{
 margin-top:30px;border:1px dashed rgba(216,168,75,.55);border-radius:var(--radius-lg);
 background:linear-gradient(140deg,#fdf9ef,#fbf6ea);padding:22px 24px;
}
.key-points h3{font-size:16px;color:#7a5a15;letter-spacing:.4px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.key-points h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold-deep)}
.key-points ul{margin:0;padding-left:20px}
.key-points li{font-size:14.5px;color:#5f5233;line-height:1.8;margin-bottom:6px}
/* ============ 数据条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:22px 20px;box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(216,168,75,.45)}
.stat-card strong{display:block;font-size:27px;line-height:1.2;letter-spacing:-.6px;color:var(--ink)}
.stat-card strong em{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:3px;font-weight:800}
.stat-card span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}
/* ============ 对照表 ============ */
.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:auto}
table.compare{width:100%;border-collapse:collapse;font-size:15px;min-width:620px}
table.compare th,table.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
table.compare thead th{background:#f2f5fb;font-size:13.5px;letter-spacing:.4px;color:#4b5573;font-weight:800}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{background:#fafbff}
table.compare td:first-child{font-weight:700;color:var(--ink-2)}
.pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:700}
.pill-green{background:#e8f5ec;color:#237a45}
.pill-amber{background:#fdf3e0;color:#9a6c14}
.pill-blue{background:#eaf0fb;color:#35548f}
/* ============ 评价卡 ============ */
.quote-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:14px;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.quote-card p{font-size:14.8px;color:#39415a;line-height:1.85}
.quote-user{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:6px}
.quote-avatar{
 width:38px;height:38px;border-radius:50%;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:#eef2fa;color:#4d5a7d;font-weight:800;font-size:15px;border:1px solid var(--border);
}
.quote-user b{font-size:14px;color:var(--ink-2);display:block;line-height:1.4}
.quote-user span{font-size:12.5px;color:var(--muted-2)}
.stars{display:flex;gap:3px}
.stars i{width:13px;height:13px;background:var(--gold);border-radius:2px;display:block;transform:rotate(45deg);opacity:.9}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(216,168,75,.5);box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 font-size:16px;font-weight:700;color:var(--ink-2);
 display:flex;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";margin-left:auto;font-size:20px;font-weight:700;color:var(--gold-deep);
 transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-answer{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85}
/* ============ 转化条 ============ */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(150deg,#101827 0%,#1b2437 60%,#232f46 100%);
 border-radius:var(--radius-xl);padding:48px 44px;color:#dfe5f1;
 box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(216,168,75,.34),transparent 66%);
}
.cta-band::after{
 content:"";position:absolute;left:-70px;bottom:-120px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(110,148,220,.20),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center}
.cta-band h2{font-size:29px;line-height:1.4;color:#fff;letter-spacing:-.4px;margin-bottom:12px}
.cta-band p{font-size:15px;color:#a8b3c9;line-height:1.85;max-width:60ch}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}
.cta-note{font-size:12.5px;color:#8b96ae;text-align:center;margin-top:2px}
/* 保障条 */
.assure-bar{
 display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;
}
.assure-item{
 display:flex;align-items:flex-start;gap:12px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 padding:16px 18px;box-shadow:var(--shadow-xs);
}
.assure-icon{
 width:34px;height:34px;border-radius:10px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:rgba(216,168,75,.16);color:var(--gold-deep);font-weight:800;font-size:15px;
}
.assure-item b{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.5}
.assure-item span{font-size:13px;color:var(--muted);line-height:1.7}
/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#9aa4bd;padding:58px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr;gap:44px;padding-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.9;color:#8c97af;max-width:44ch}
.footer-col h4{font-size:14.5px;color:#fff;letter-spacing:.4px;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#8c97af;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--gold-soft);padding-left:4px}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.09);
 padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#75809a;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .article-hero__grid{grid-template-columns:1fr;gap:32px}
 .hero-side{max-width:560px}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .cta-inner{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-md);padding:10px;
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 16px;border-radius:12px;font-size:15px;min-height:44px}
 .nav-links a.active::after{left:18px;transform:none;bottom:6px}
 .nav-cta{display:none}
 .grid-3,.grid-2{grid-template-columns:1fr}
 .section{padding:58px 0}
 .section-head h2{font-size:26px}
 .panel{padding:26px 20px 30px}
 .prose{font-size:16px}
 .prose h2{font-size:21px}
 .cta-band{padding:36px 24px}
 .cta-band h2{font-size:24px}
 .assure-bar{grid-template-columns:1fr}
}
@media (max-width:640px){
 .footer-grid{grid-template-columns:1fr;gap:30px}
 .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
 .stat-card{padding:18px 16px}
 .stat-card strong{font-size:23px}
 .hero-stats{grid-template-columns:repeat(3,1fr)}
 .article-hero{padding:38px 0 48px}
 .article-wrap{padding:44px 0 54px}
 .author-bar{max-width:none;flex-wrap:wrap}
 .author-bar .btn{margin-left:0;width:100%}
 .grid-4{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-text{font-size:15px;white-space:normal;line-height:1.25;max-width:170px}
 .brand-mark{width:34px;height:34px;font-size:15px;border-radius:10px}
 .article-hero h1{font-size:24px}
 .section-head h2{font-size:23px}
 .btn{width:100%}
 .stat-strip{grid-template-columns:1fr}
 .hero-stats{grid-template-columns:1fr}
 .prose table{font-size:14px}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
 --ink:#0b101b;
 --ink-2:#131b2a;
 --ink-3:#1d2739;
 --gold:#d8a84b;
 --gold-soft:#f2d896;
 --gold-deep:#b98a2f;
 --bg:#f4f6fa;
 --surface:#ffffff;
 --text:#1b2233;
 --muted:#68708a;
 --muted-2:#8b93a8;
 --border:#e4e8f1;
 --border-strong:#d3d9e6;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-xs:0 1px 3px rgba(14,20,34,.06);
 --shadow-sm:0 4px 14px rgba(14,20,34,.07);
 --shadow-md:0 12px 30px rgba(14,20,34,.10);
 --shadow-lg:0 24px 60px rgba(14,20,34,.16);
 --max:1180px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 padding-bottom:74px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:3px solid rgba(216,168,75,.6);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .25s ease,background .25s ease}
.site-header.is-scrolled{padding:8px 0;background:linear-gradient(180deg,rgba(244,246,250,.96),rgba(244,246,250,.82));backdrop-filter:blur(10px)}
.nav-shell{
 position:relative;
 display:flex;align-items:center;gap:18px;
 padding:9px 12px 9px 18px;
 background:rgba(255,255,255,.92);
 border:1px solid var(--border);
 border-radius:999px;
 box-shadow:var(--shadow-sm);
 backdrop-filter:blur(14px);
 transition:box-shadow .25s ease,transform .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-md)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-weight:800;font-size:17px;letter-spacing:.5px;
 box-shadow:0 6px 16px rgba(190,148,60,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 position:relative;display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:#f0f3f9}
.nav-links a.active{color:var(--ink);background:#f2f5fb}
.nav-links a.active::after{
 content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
 width:16px;height:3px;border-radius:3px;background:var(--gold);
}
.nav-cta{
 flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
 height:40px;padding:0 20px;border-radius:999px;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-size:15px;font-weight:800;
 box-shadow:0 8px 18px rgba(190,148,60,.32);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 24px rgba(190,148,60,.42)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:50%;
 align-items:center;justify-content:center;
 border:1px solid var(--border);background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 26px;border-radius:10px;
 font-size:15.5px;font-weight:700;letter-spacing:.2px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{background:linear-gradient(140deg,var(--gold-soft),var(--gold));color:#22190a;box-shadow:0 10px 24px rgba(190,148,60,.38)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(190,148,60,.5)}
.btn-ghost{border:1.5px solid rgba(240,216,150,.55);color:#f4e7c7;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--gold-soft);color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--border-strong);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
 background:#f1f4fa;color:#556080;border:1px solid var(--border);
}
.tag-gold{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.35)}
.tag-dark{background:rgba(255,255,255,.08);color:#dfe5f2;border-color:rgba(255,255,255,.16)}

/* ============ 板块 ============ */
.section{padding:74px 0;position:relative}
.section--white{background:var(--surface)}
.section--tint{background:#eef1f8}
.section--dark{background:var(--ink);color:#d9dfec}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;
 color:var(--gold-deep);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),var(--gold-deep))}
.section--dark .sec-kicker{color:var(--gold-soft)}
.section-head h2{font-size:31px;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--dark .section-head p{color:#9aa4bd}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);
 overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18.5px}
.card-body p{font-size:14.6px;color:var(--muted);line-height:1.78}
.card-icon{
 width:44px;height:44px;border-radius:12px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(216,168,75,.14);color:var(--gold-deep);
 border:1px solid rgba(216,168,75,.28);
}
.card-icon svg{width:22px;height:22px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dde2ee}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.045)}

/* ============ Hero 矮横幅 ============ */
.hero-banner{
 padding:26px 0 54px;
 background:
  radial-gradient(900px 420px at 8% -18%, rgba(216,168,75,.22), transparent 62%),
  radial-gradient(760px 400px at 96% -6%, rgba(29,39,57,.10), transparent 62%),
  linear-gradient(180deg,#f8fafd 0%,#eef1f8 100%);
 border-bottom:1px solid var(--border);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted-2);margin-bottom:22px}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--gold-deep)}
.breadcrumb span{color:var(--muted-2)}
.hero-panel{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.hero-copy h1{font-size:38px;line-height:1.24;letter-spacing:-.6px;margin-bottom:16px}
.hero-copy h1 em{font-style:normal;background:linear-gradient(120deg,var(--gold-deep),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16px;color:#4d5872;line-height:1.85;max-width:620px}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative}
.hero-media .shot{
 border-radius:var(--radius-xl);
 overflow:hidden;
 border:1px solid rgba(255,255,255,.7);
 box-shadow:var(--shadow-lg);
 background:#dde2ee;
 aspect-ratio:4/3;
}
.hero-media .shot img{width:100%;height:100%;object-fit:cover}
.hero-badge{
 position:absolute;left:-14px;bottom:22px;
 display:flex;align-items:center;gap:12px;
 padding:12px 18px;border-radius:14px;
 background:rgba(255,255,255,.96);
 border:1px solid var(--border);
 box-shadow:var(--shadow-md);
 backdrop-filter:blur(8px);
}
.hero-badge strong{font-size:22px;color:var(--ink);letter-spacing:-.4px}
.hero-badge small{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.2px}
.hero-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(216,168,75,.18)}

/* ============ 模式详解列表 ============ */
.mode-list{display:grid;gap:16px}
.mode-row{
 display:grid;grid-template-columns:64px 1.15fr 1.5fr auto;
 gap:20px;align-items:center;
 padding:20px 24px;
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mode-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.mode-index{
 width:52px;height:52px;border-radius:14px;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:18px;color:#22190a;
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 box-shadow:0 8px 18px rgba(190,148,60,.3);
}
.mode-name h3{font-size:17.5px;margin-bottom:4px}
.mode-name span{font-size:13px;color:var(--muted-2)}
.mode-desc{font-size:14.6px;color:var(--muted);line-height:1.78}
.mode-meta{display:flex;flex-direction:column;gap:6px;align-items:flex-end;text-align:right}
.mode-meta strong{font-size:15px;color:var(--gold-deep)}

/* ============ 场景演示 ============ */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
.split-media{border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border);aspect-ratio:16/11;background:#dde2ee}
.split-media img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:24px}
.check-list li{display:flex;gap:12px;font-size:15px;color:#4d5872;line-height:1.78}
.check-list li i{
 flex-shrink:0;width:22px;height:22px;border-radius:7px;margin-top:3px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(216,168,75,.16);color:var(--gold-deep);font-style:normal;
 font-size:12px;font-weight:800;
}

/* ============ 数据徽章 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-badge{
 padding:26px 22px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.12);
 transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.stat-badge:hover{transform:translateY(-4px);background:rgba(255,255,255,.085);border-color:rgba(240,216,150,.42)}
.stat-badge strong{display:block;font-size:32px;line-height:1.1;letter-spacing:-1px;color:var(--gold-soft)}
.stat-badge span{display:block;margin-top:8px;font-size:14.5px;color:#9aa4bd}

/* ============ 对比表 ============ */
.table-wrap{
 border:1px solid var(--border);border-radius:var(--radius-lg);
 background:var(--surface);box-shadow:var(--shadow-xs);overflow:hidden;
}
.compare-table{width:100%;border-collapse:collapse;font-size:14.8px}
.compare-table thead th{
 background:#f3f6fb;color:var(--ink);font-size:14px;font-weight:800;letter-spacing:.2px;
 text-align:left;padding:15px 20px;border-bottom:1px solid var(--border);
}
.compare-table td{padding:16px 20px;border-bottom:1px solid #eff2f8;color:var(--muted);vertical-align:top}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:#fafbfe}
.compare-table td:first-child{font-weight:700;color:var(--ink)}

/* ============ 评价 ============ */
.review{display:flex;flex-direction:column;gap:14px;height:100%}
.review p{font-size:14.8px;color:var(--muted);line-height:1.8;flex:1}
.review-who{display:flex;align-items:center;gap:12px;padding-top:4px}
.avatar{
 width:40px;height:40px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:15px;color:#22190a;
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
}
.review-who strong{display:block;font-size:14.5px;color:var(--ink)}
.review-who small{font-size:12.5px;color:var(--muted-2)}
.stars{display:flex;gap:3px;color:var(--gold)}
.stars svg{width:15px;height:15px}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#dde2ee}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted-2)}
.post-body h3{font-size:16.5px;line-height:1.5}
.post-body h3 a{transition:color .2s}
.post-body h3 a:hover{color:var(--gold-deep)}
.post-body p{font-size:14px;color:var(--muted);line-height:1.75}
.list-empty{
 padding:34px;text-align:center;color:var(--muted);
 background:var(--surface);border:1px dashed var(--border-strong);border-radius:var(--radius-lg);
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(216,168,75,.45);box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:26px;height:26px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 background:#f1f4fa;color:var(--gold-deep);font-size:17px;font-weight:800;line-height:1;
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:rgba(216,168,75,.18);transform:rotate(180deg)}
.faq-a{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85}

/* ============ 收口 CTA ============ */
.join-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:46px 44px;
 background:
  radial-gradient(620px 300px at 88% -10%, rgba(216,168,75,.30), transparent 62%),
  linear-gradient(140deg,#101828,#1b2537 62%,#232f45);
 border:1px solid rgba(240,216,150,.20);
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center;
}
.join-band h2{font-size:27px;color:#fff;margin-bottom:12px;letter-spacing:-.3px}
.join-band p{color:#9aa4bd;font-size:15px;line-height:1.85;max-width:560px}
.join-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.join-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* ============ 底部固定转化条 ============ */
.fixed-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(11,16,27,.96);
 border-top:1px solid rgba(255,255,255,.10);
 backdrop-filter:blur(12px);
}
.fixed-cta .inner{
 max-width:var(--max);margin:0 auto;padding:12px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.fixed-cta .txt{font-size:14.5px;color:#c8d0e2}
.fixed-cta .txt strong{color:var(--gold-soft)}
.fixed-cta .btn{min-height:40px;padding:0 20px;font-size:14.5px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#9aa4bd;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14.5px;line-height:1.85;color:#8f9ab4;max-width:430px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col li a{font-size:14.5px;color:#8f9ab4;display:inline-block;padding:5px 0;transition:color .2s ease}
.footer-col li a:hover{color:var(--gold-soft)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;font-size:13.5px;color:#6f7a94}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-panel{grid-template-columns:1fr;gap:32px}
 .hero-copy h1{font-size:32px}
 .split{grid-template-columns:1fr;gap:30px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .mode-row{grid-template-columns:52px 1fr;gap:14px 16px}
 .mode-desc{grid-column:1/-1}
 .mode-meta{grid-column:1/-1;align-items:flex-start;text-align:left;flex-direction:row;gap:12px}
 .join-band{grid-template-columns:1fr;padding:38px 30px}
 .join-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .nav-shell{border-radius:22px;flex-wrap:wrap;padding:10px 12px}
 .nav-links{
  order:4;width:100%;flex-direction:column;align-items:stretch;gap:4px;
  margin:8px 0 0;padding-top:10px;border-top:1px solid var(--border);
  display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
 .nav-links a.active::after{display:none}
 .nav-cta{order:3;height:38px;padding:0 16px;font-size:14px;margin-left:auto}
 .brand-text{font-size:15.5px}
 .grid-3,.grid-2{grid-template-columns:1fr}
}
@media (max-width:640px){
 .container{padding:0 16px}
 .section{padding:54px 0}
 .hero-banner{padding:18px 0 40px}
 .hero-copy h1{font-size:27px}
 .section-head h2{font-size:24px}
 .section-head{margin-bottom:28px}
 .post-grid{grid-template-columns:1fr}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:12px}
 .stat-badge{padding:20px 16px}
 .stat-badge strong{font-size:26px}
 .hero-badge{left:0;bottom:12px;padding:10px 14px}
 .hero-badge strong{font-size:18px}
 .faq-item summary{font-size:15px;padding:16px 16px}
 .faq-a{padding:0 16px 18px;font-size:14.4px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;gap:6px}
 .compare-table thead{display:none}
 .compare-table,.compare-table tbody,.compare-table tr,.compare-table td{display:block;width:100%}
 .compare-table tr{border-bottom:1px solid var(--border);padding:8px 0}
 .compare-table tbody tr:last-child{border-bottom:0}
 .compare-table td{padding:8px 18px;border-bottom:0}
 .compare-table td::before{
  content:attr(data-label);display:block;
  font-size:12px;font-weight:800;letter-spacing:.6px;color:var(--muted-2);margin-bottom:2px;
 }
 .fixed-cta .inner{padding:10px 16px}
 .fixed-cta .txt{font-size:13px}
 .fixed-cta .txt span{display:none}
 .join-band{padding:30px 22px}
 .join-band h2{font-size:22px}
 .btn{width:100%}
 .hero-actions .btn,.join-actions .btn{width:100%}
}
@media (max-width:520px){
 .nav-cta{display:none}
 .mode-index{width:44px;height:44px;font-size:16px}
 .card-body{padding:18px}
}

/* roulang page: category2 */
:root{
 --ink:#0b101b;
 --ink-2:#131b2a;
 --ink-3:#1d2739;
 --gold:#d8a84b;
 --gold-soft:#f2d896;
 --gold-deep:#b98a2f;
 --bg:#f4f6fa;
 --surface:#ffffff;
 --text:#1b2233;
 --muted:#68708a;
 --muted-2:#8b93a8;
 --border:#e4e8f1;
 --border-strong:#d3d9e6;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-xs:0 1px 3px rgba(14,20,34,.06);
 --shadow-sm:0 4px 14px rgba(14,20,34,.07);
 --shadow-md:0 12px 30px rgba(14,20,34,.10);
 --shadow-lg:0 24px 60px rgba(14,20,34,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 padding-bottom:92px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
body.no-bar{padding-bottom:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(216,168,75,.7);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .25s ease,background .25s ease}
.site-header.is-scrolled{padding:8px 0;background:linear-gradient(180deg,rgba(244,246,250,.96),rgba(244,246,250,.82));backdrop-filter:blur(10px)}
.nav-shell{
 position:relative;
 display:flex;align-items:center;gap:18px;
 padding:9px 12px 9px 18px;
 background:rgba(255,255,255,.92);
 border:1px solid var(--border);
 border-radius:999px;
 box-shadow:var(--shadow-sm);
 backdrop-filter:blur(14px);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-md)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-weight:800;font-size:17px;letter-spacing:.5px;
 box-shadow:0 6px 16px rgba(190,148,60,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 position:relative;display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:#f0f3f9}
.nav-links a.active{color:var(--ink);background:#f2f5fb}
.nav-links a.active::after{
 content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
 width:16px;height:3px;border-radius:3px;background:var(--gold);
}
.nav-cta{
 flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
 height:40px;padding:0 20px;border-radius:999px;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-size:15px;font-weight:800;
 box-shadow:0 8px 18px rgba(190,148,60,.32);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 24px rgba(190,148,60,.42)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:50%;
 align-items:center;justify-content:center;
 border:1px solid var(--border);background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 26px;border-radius:10px;
 font-size:15.5px;font-weight:700;letter-spacing:.2px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 color:#22190a;
 box-shadow:0 10px 24px rgba(190,148,60,.38);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(190,148,60,.5)}
.btn-ghost{border:1.5px solid rgba(240,216,150,.55);color:#f4e7c7;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--gold-soft);color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--border-strong);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
 background:#f1f4fa;color:#556080;border:1px solid var(--border);
}
.tag-gold{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.35)}

/* ============ 板块通用 ============ */
.section{padding:76px 0;position:relative}
.section--white{background:var(--surface)}
.section--tint{background:#eef1f8}
.section--dark{background:var(--ink);color:#d9dfec}
.section--dark h2,.section--dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
 display:inline-flex;align-items:center;gap:10px;
 font-size:13px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--gold-deep);margin-bottom:14px;
}
.sec-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--gold)}
.section--dark .sec-kicker{color:var(--gold-soft)}
.section-head h2{font-size:31px;line-height:1.32;letter-spacing:-.3px;margin-bottom:14px}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--dark .section-head p{color:#9aa4bd}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);
 overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.card-pad{padding:26px 24px}
.card h3{font-size:19px;line-height:1.45;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14.6px;color:var(--muted);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.icon-box{
 width:44px;height:44px;border-radius:13px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,rgba(242,216,150,.5),rgba(216,168,75,.22));
 border:1px solid rgba(216,168,75,.3);
 margin-bottom:16px;
}
.icon-box svg{width:22px;height:22px;stroke:var(--gold-deep);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#e8edf8;padding:62px 0 74px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/6809abe0d7400f4d.webp') center/cover no-repeat;opacity:.4}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,12,20,.97) 0%,rgba(8,12,20,.9) 44%,rgba(8,12,20,.55) 100%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 border:1px solid rgba(240,216,150,.42);background:rgba(216,168,75,.12);
 font-size:12.8px;font-weight:700;letter-spacing:1.2px;color:var(--gold-soft);
}
.hero h1{
 font-size:clamp(30px,3.7vw,44px);line-height:1.24;letter-spacing:-.6px;
 margin:20px 0 18px;color:#fff;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--gold-soft)}
.hero-lead{font-size:16px;line-height:1.85;color:#b6c0d6;max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 14px;border-radius:999px;
 font-size:13px;font-weight:600;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#dfe6f4;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats .stat b{display:block;font-size:24px;color:var(--gold-soft);letter-spacing:-.4px}
.hero-stats .stat span{display:block;font-size:12.8px;color:#8f9ab2;margin-top:2px}
.poster{
 position:relative;border-radius:var(--radius-xl);overflow:hidden;
 border:1px solid rgba(240,216,150,.3);
 box-shadow:var(--shadow-lg);
 background:#0e1420;
}
.poster img{width:100%;aspect-ratio:4/3;object-fit:cover}
.poster-badge{
 position:absolute;top:16px;left:16px;
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 13px;border-radius:999px;
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 color:#20180a;font-size:12.5px;font-weight:800;
 box-shadow:0 8px 20px rgba(0,0,0,.35);
}
.poster-caption{
 position:absolute;left:0;right:0;bottom:0;
 padding:44px 20px 18px;
 background:linear-gradient(180deg,rgba(8,12,20,0),rgba(8,12,20,.92));
 color:#e6ecf8;font-size:13.5px;line-height:1.6;
}
.poster-caption strong{color:var(--gold-soft)}

/* ============ 倍率阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.tier{
 background:var(--surface);border:1px solid var(--border);border-radius:14px;
 padding:20px 12px;text-align:center;
 box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tier:hover{transform:translateY(-4px);border-color:rgba(216,168,75,.5);box-shadow:var(--shadow-md)}
.tier b{display:block;font-size:23px;font-weight:800;color:var(--gold-deep);letter-spacing:-.5px}
.tier .tier-name{display:block;font-size:12.5px;font-weight:700;color:var(--ink);margin-top:4px}
.tier .tier-use{display:block;font-size:12.2px;color:var(--muted-2);margin-top:10px;line-height:1.55}
.tier.is-hot{background:linear-gradient(170deg,rgba(242,216,150,.32),rgba(255,255,255,.9));border-color:rgba(216,168,75,.55)}
.ladder-note{
 margin-top:22px;font-size:14px;color:var(--muted);line-height:1.85;
 padding:16px 20px;border-radius:12px;background:#f4f6fb;border-left:3px solid var(--gold);
}

/* ============ 场景演示 ============ */
.scene{
 display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
 padding:36px 0;
}
.scene + .scene{border-top:1px solid var(--border)}
.scene.reverse .scene-media{order:2}
.scene-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.scene-media:hover img{transform:scale(1.03)}
.scene-body h3{font-size:23px;line-height:1.4;margin-bottom:12px;letter-spacing:-.2px}
.scene-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.scene-list li{
 position:relative;padding-left:22px;margin-bottom:9px;
 font-size:14.6px;color:#43506b;line-height:1.75;
}
.scene-list li::before{
 content:"";position:absolute;left:0;top:11px;
 width:8px;height:8px;border-radius:3px;
 background:var(--gold);transform:rotate(45deg);
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:6px}
.step{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-lg);padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:var(--ink);color:var(--gold-soft);font-size:14px;font-weight:800;
 margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;color:var(--ink)}
.step p{font-size:14px;color:var(--muted);line-height:1.78}

/* ============ 玩家手记 ============ */
.quote{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:16px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.quote p{font-size:14.8px;color:#3d4a63;line-height:1.85}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
 width:40px;height:40px;border-radius:12px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--ink-3),var(--ink));
 color:var(--gold-soft);font-weight:800;font-size:15px;
}
.quote-who b{display:block;font-size:14.2px;color:var(--ink)}
.quote-who span{display:block;font-size:12.6px;color:var(--muted-2)}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
 border-radius:var(--radius-lg);padding:28px 26px;
 border:1px solid rgba(255,255,255,.12);
 background:rgba(255,255,255,.045);
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.compare-col:hover{transform:translateY(-4px);background:rgba(255,255,255,.075);border-color:rgba(240,216,150,.4)}
.compare-col h3{font-size:19px;margin-bottom:6px;color:#fff}
.compare-col .compare-sub{font-size:13px;color:var(--gold-soft);font-weight:700;letter-spacing:.6px;margin-bottom:18px;display:block}
.compare-col li{
 display:flex;gap:10px;font-size:14.6px;line-height:1.8;color:#adb7cc;
 padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.1);
}
.compare-col li:last-child{border-bottom:0}
.compare-col li i{color:var(--gold-soft);font-style:normal;font-weight:800}

/* ============ 调整记录 ============ */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(216,168,75,.15))}
.tl-item{position:relative;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:9px;
 width:14px;height:14px;border-radius:50%;background:#fff;
 border:3px solid var(--gold);box-shadow:0 0 0 4px rgba(216,168,75,.16);
}
.tl-item h3{font-size:16.5px;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14.4px;color:var(--muted);line-height:1.8}
.tl-item .tl-time{font-size:12.4px;font-weight:800;color:var(--gold-deep);letter-spacing:.6px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-item[open]{border-color:rgba(216,168,75,.5);box-shadow:var(--shadow-sm)}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:24px;height:24px;border-radius:50%;
 display:flex;align-items:center;justify-content:center;
 background:#f0f3f9;color:var(--gold-deep);font-weight:800;font-size:16px;
 transition:transform .2s ease,background .2s ease;
}
.faq-item[open] summary::after{content:"−";background:rgba(216,168,75,.2);transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.88}

/* ============ 转化区 ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:46px 44px;
 background:linear-gradient(130deg,#131b2a 0%,#1d2739 55%,#2a3346 100%);
 border:1px solid rgba(240,216,150,.28);
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(216,168,75,.32),rgba(216,168,75,0) 70%);
}
.cta-band h2{font-size:27px;color:#fff;letter-spacing:-.3px;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{font-size:15px;color:#a9b3c9;line-height:1.8;max-width:640px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ============ 底部固定转化条 ============ */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(11,16,27,.94);
 border-top:1px solid rgba(240,216,150,.25);
 backdrop-filter:blur(12px);
 box-shadow:0 -10px 30px rgba(8,12,20,.28);
 transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none}
.sticky-inner{
 max-width:var(--max);margin:0 auto;padding:12px 22px;
 display:flex;align-items:center;gap:18px;
}
.sticky-text{font-size:14.2px;color:#c3cbdd;line-height:1.5}
.sticky-text b{color:var(--gold-soft)}
.sticky-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.sticky-actions .btn{min-height:40px;padding:0 20px;font-size:14.2px}
.sticky-close{
 width:34px;height:34px;border-radius:50%;flex-shrink:0;
 border:1px solid rgba(255,255,255,.18);color:#c3cbdd;
 display:flex;align-items:center;justify-content:center;font-size:16px;
 transition:background .2s ease,color .2s ease;
}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#9aa4bd;padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:#8b95ad;max-width:400px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.6px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:#8b95ad;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--gold-soft);padding-left:4px}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);padding-top:18px;
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:13px;color:#727d95;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-lead{max-width:100%}
 .ladder{grid-template-columns:repeat(4,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;gap:24px;padding:40px 32px}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
  padding:12px;border-radius:18px;background:#fff;
  border:1px solid var(--border);box-shadow:var(--shadow-md);
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
 .nav-links a.active::after{display:none}
 .nav-links a.active{background:#f2f5fb;color:var(--ink)}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .section-head h2{font-size:25px}
 .hero{padding:44px 0 56px}
 .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
 .hero-stats .stat b{font-size:20px}
 .ladder{grid-template-columns:repeat(3,1fr)}
 .scene{grid-template-columns:1fr;gap:22px;padding:30px 0}
 .scene.reverse .scene-media{order:0}
 .steps{grid-template-columns:1fr}
 .grid-3{grid-template-columns:1fr}
 .grid-2{grid-template-columns:1fr}
 .compare{grid-template-columns:1fr}
 .quote{grid-column:auto}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .sticky-inner{padding:10px 16px;gap:12px}
 .sticky-text{font-size:13px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-text{font-size:15.5px}
 .hero h1{font-size:27px}
 .hero-actions .btn{width:100%}
 .ladder{grid-template-columns:repeat(2,1fr)}
 .hero-stats{grid-template-columns:1fr;gap:12px;text-align:left}
 .faq-item summary{font-size:15px;padding:16px 18px}
 .faq-answer{padding:0 18px 18px;font-size:14.2px}
 .cta-band{padding:32px 22px;border-radius:var(--radius-lg)}
 .cta-band h2{font-size:22px}
 .sticky-text{display:none}
 .sticky-actions{margin-left:auto}
 .sticky-actions .btn{min-height:38px;padding:0 16px;font-size:13.4px}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
 --ink:#0b101b;
 --ink-2:#131b2a;
 --ink-3:#1d2739;
 --gold:#d8a84b;
 --gold-soft:#f2d896;
 --gold-deep:#b98a2f;
 --bg:#f4f6fa;
 --surface:#ffffff;
 --text:#1b2233;
 --muted:#68708a;
 --muted-2:#8b93a8;
 --border:#e4e8f1;
 --border-strong:#d3d9e6;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius:12px;
 --radius-sm:8px;
 --shadow-xs:0 1px 3px rgba(14,20,34,.06);
 --shadow-sm:0 4px 14px rgba(14,20,34,.07);
 --shadow-md:0 12px 30px rgba(14,20,34,.10);
 --shadow-lg:0 24px 60px rgba(14,20,34,.16);
 --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;padding:14px 0;transition:padding .25s ease,background .25s ease}
.site-header.is-scrolled{padding:8px 0;background:linear-gradient(180deg,rgba(244,246,250,.96),rgba(244,246,250,.82));backdrop-filter:blur(10px)}
.nav-shell{
 position:relative;
 display:flex;align-items:center;gap:18px;
 padding:9px 12px 9px 18px;
 background:rgba(255,255,255,.92);
 border:1px solid var(--border);
 border-radius:999px;
 box-shadow:var(--shadow-sm);
 backdrop-filter:blur(14px);
 transition:box-shadow .25s ease,transform .25s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-md)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:12px;flex-shrink:0;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-weight:800;font-size:17px;letter-spacing:.5px;
 box-shadow:0 6px 16px rgba(190,148,60,.35);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 position:relative;display:inline-flex;align-items:center;
 padding:9px 15px;border-radius:999px;
 font-size:15px;font-weight:600;color:var(--muted);
 transition:color .2s ease,background .2s ease;
 white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);background:#f0f3f9}
.nav-links a.active{color:var(--ink);background:#f2f5fb}
.nav-links a.active::after{
 content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
 width:16px;height:3px;border-radius:3px;background:var(--gold);
}
.nav-cta{
 flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
 height:40px;padding:0 20px;border-radius:999px;
 background:linear-gradient(140deg,var(--gold),var(--gold-deep));
 color:#1a1408;font-size:15px;font-weight:800;
 box-shadow:0 8px 18px rgba(190,148,60,.32);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 24px rgba(190,148,60,.42)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:50%;
 align-items:center;justify-content:center;
 border:1px solid var(--border);background:#fff;margin-left:auto;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 26px;border-radius:10px;
 font-size:15.5px;font-weight:700;letter-spacing:.2px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 color:#22190a;
 box-shadow:0 10px 24px rgba(190,148,60,.38);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(190,148,60,.5)}
.btn-ghost{border:1.5px solid rgba(240,216,150,.55);color:#f4e7c7;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--gold-soft);color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline{border:1.5px solid var(--border-strong);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 12px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.3px;
 background:#f1f4fa;color:#556080;border:1px solid var(--border);
}
.tag-gold{background:rgba(216,168,75,.14);color:#8d6716;border-color:rgba(216,168,75,.35)}
.tag-dark{background:rgba(255,255,255,.08);color:#e8d6ad;border:1px solid rgba(240,216,150,.3)}

/* ============ 板块通用 ============ */
.section{padding:76px 0;position:relative}
.section--white{background:var(--surface)}
.section--tint{background:#eef1f8}
.section--dark{background:var(--ink);color:#d9dfec}
.section--dark h2,.section--dark h3{color:#fff}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
 color:var(--gold-deep);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--gold)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:31px;letter-spacing:-.3px;margin-bottom:14px;line-height:1.35}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section--dark .section-head p{color:#9aa4bd}
.section--dark .sec-kicker{color:var(--gold-soft)}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 卡片 ============ */
.card{
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-xs);
 overflow:hidden;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#dfe4ee}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45;letter-spacing:-.1px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}

/* ============ 页面 Hero ============ */
.page-hero{padding:34px 0 0}
.hero-card{
 position:relative;overflow:hidden;
 display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center;
 padding:44px 44px 40px;
 border-radius:var(--radius-xl);
 background:
  radial-gradient(900px 420px at 8% -10%,rgba(216,168,75,.22),transparent 60%),
  radial-gradient(700px 400px at 100% 110%,rgba(88,120,220,.18),transparent 62%),
  linear-gradient(150deg,#121a29 0%,#0b101b 62%,#0d1420 100%);
 border:1px solid rgba(255,255,255,.08);
 box-shadow:var(--shadow-lg);
 color:#dfe5f1;
}
.hero-card::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:url("/assets/images/6809abe0d7400f4d.webp") center/cover no-repeat;
 opacity:.14;mix-blend-mode:luminosity;
}
.hero-copy{position:relative;z-index:2}
.hero-copy h1{
 font-size:40px;line-height:1.24;letter-spacing:-.6px;color:#fff;margin:14px 0 16px;
}
.hero-copy h1 em{font-style:normal;color:var(--gold-soft)}
.hero-copy p{font-size:15.5px;line-height:1.9;color:#a9b3c9;max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-visual{position:relative;z-index:2}
.hero-visual .shot{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid rgba(255,255,255,.16);
 box-shadow:0 22px 50px rgba(0,0,0,.45);
}
.hero-visual .shot img{aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stat{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 border-radius:12px;padding:11px 12px;text-align:center;
}
.stat b{display:block;font-size:17px;color:#fff;letter-spacing:.2px}
.stat span{font-size:11.5px;color:#94a0ba;letter-spacing:.4px}

/* ============ 版本节点条 ============ */
.rail{
 margin-top:22px;
 display:grid;grid-template-columns:repeat(5,1fr);gap:0;
 background:var(--surface);
 border:1px solid var(--border);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);
 padding:18px 8px 16px;
}
.rail-item{position:relative;text-align:center;padding:0 8px}
.rail-item::before{
 content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--border);
}
.rail-item:first-child::before{left:50%}
.rail-item:last-child::before{right:50%}
.rail-dot{
 position:relative;z-index:1;display:block;width:12px;height:12px;margin:3px auto 10px;
 border-radius:50%;background:#fff;border:2.5px solid var(--border-strong);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.rail-item.is-now .rail-dot{border-color:var(--gold);box-shadow:0 0 0 5px rgba(216,168,75,.18)}
.rail-item b{display:block;font-size:13.5px;color:var(--ink);line-height:1.5}
.rail-item span{display:block;font-size:11.5px;color:var(--muted-2);margin-top:2px}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--gold),#dfe4ee)}
.tl-item{position:relative;padding:0 0 26px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:7px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:2.5px solid var(--gold);
}
.tl-ver{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--gold-deep);letter-spacing:.4px}
.tl-item h3{font-size:18px;margin:6px 0 8px}
.tl-item p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:760px}

/* ============ 适配要点 ============ */
.spec-list{display:grid;gap:12px;margin-top:6px}
.spec-row{
 display:flex;align-items:flex-start;gap:14px;
 padding:14px 16px;border-radius:var(--radius);
 background:#fff;border:1px solid var(--border);
 transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.spec-row:hover{border-color:rgba(216,168,75,.5);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.spec-key{
 flex-shrink:0;min-width:104px;font-size:13px;font-weight:800;color:var(--ink);
 background:rgba(216,168,75,.14);color:#8d6716;border-radius:8px;padding:5px 10px;text-align:center;
}
.spec-val{font-size:14.5px;color:var(--muted);line-height:1.78}
.spec-val b{color:var(--text)}

/* ============ 对比表 ============ */
.table-wrap{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
}
table.compare{width:100%;border-collapse:collapse;font-size:14.5px}
table.compare thead th{
 background:var(--ink);color:#f0e3c4;font-size:13.5px;font-weight:800;letter-spacing:.4px;
 padding:15px 16px;text-align:left;white-space:nowrap;
}
table.compare tbody td{padding:14px 16px;border-top:1px solid var(--border);color:var(--muted);line-height:1.75;vertical-align:top}
table.compare tbody td:first-child{color:var(--ink);font-weight:700;white-space:nowrap}
table.compare tbody tr:nth-child(even){background:#fafbfe}
table.compare tbody tr:hover{background:#f5f7fc}

/* ============ 校验清单 ============ */
.check-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-xs);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.check-card .num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;margin-bottom:12px;
 background:linear-gradient(140deg,var(--gold-soft),var(--gold));
 color:#241a08;font-weight:800;font-size:14px;
}
.check-card h3{font-size:16.5px;margin-bottom:8px}
.check-card p{font-size:14px;color:var(--muted);line-height:1.78}

/* ============ 资讯列表 ============ */
.post-card .card-body{gap:9px}
.post-card h3{font-size:16.5px}
.post-meta{font-size:12.5px;color:var(--muted-2);letter-spacing:.3px}
.empty-note{
 padding:26px;border-radius:var(--radius-lg);background:#f7f9fd;border:1px dashed var(--border-strong);
 color:var(--muted);text-align:center;font-size:14.5px;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(216,168,75,.55);box-shadow:var(--shadow-sm)}
.faq-item summary{
 display:flex;align-items:center;gap:12px;
 padding:17px 20px;font-size:16px;font-weight:700;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";margin-left:auto;width:9px;height:9px;flex-shrink:0;
 border-right:2px solid var(--muted-2);border-bottom:2px solid var(--muted-2);
 transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--gold-deep)}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 频道条 ============ */
.channel-strip{
 display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.channel-card{
 display:flex;align-items:center;gap:16px;
 padding:22px 24px;border-radius:var(--radius-lg);
 background:linear-gradient(140deg,#fff,#f7f9fe);
 border:1px solid var(--border);box-shadow:var(--shadow-xs);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(216,168,75,.5)}
.channel-ico{
 width:46px;height:46px;flex-shrink:0;border-radius:13px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(11,16,27,.06);color:var(--ink);
}
.channel-ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.channel-card h3{font-size:16.5px;margin-bottom:4px}
.channel-card p{font-size:13.5px;color:var(--muted)}
.channel-card .arrow{margin-left:auto;color:var(--gold-deep);font-weight:800;font-size:18px}

/* ============ CTA 收口 ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-xl);
 padding:46px 44px;
 background:
  radial-gradient(700px 320px at 90% 0%,rgba(216,168,75,.28),transparent 62%),
  linear-gradient(140deg,#141d2e,#0b101b 70%);
 border:1px solid rgba(255,255,255,.1);
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:center;
 color:#dbe2f0;
}
.cta-band h2{font-size:28px;color:#fff;letter-spacing:-.3px;margin-bottom:12px}
.cta-band p{font-size:15px;color:#a4aec4;line-height:1.85;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#a8b1c7;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.85;color:#8b95ad;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{color:#98a2ba;font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--gold-soft)}
.footer-bottom{
 margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:#7d87a0;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-card{grid-template-columns:1fr;padding:36px 30px}
 .hero-copy h1{font-size:33px}
 .rail{grid-template-columns:repeat(3,1fr);row-gap:16px}
 .rail-item:nth-child(4)::before{left:50%}
 .rail-item:nth-child(3)::before{right:50%}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:36px 30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .footer-grid > div:first-child{grid-column:1 / -1}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .nav-shell{border-radius:20px;padding:10px 12px}
 .nav-links{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:12px;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-md);display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 14px;border-radius:12px;font-size:15.5px;justify-content:flex-start}
 .nav-links a.active::after{display:none}
 .nav-cta{display:none}
 .section{padding:58px 0}
 .grid-3{grid-template-columns:1fr 1fr}
 .channel-strip{grid-template-columns:1fr}
 .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:640px){
 .container{padding:0 16px}
 .page-hero{padding:18px 0 0}
 .hero-card{padding:28px 20px;border-radius:18px}
 .hero-copy h1{font-size:26px;line-height:1.32}
 .hero-copy p{font-size:14.5px}
 .hero-stats{grid-template-columns:1fr 1fr}
 .rail{grid-template-columns:1fr 1fr;padding:16px 6px}
 .rail-item::before{display:none}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .section-head h2{font-size:24px}
 .section{padding:46px 0}
 .cta-band{padding:28px 20px;border-radius:18px}
 .cta-band h2{font-size:23px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{font-size:12.5px}
 .spec-row{flex-direction:column;gap:8px}
 .spec-key{min-width:0}
 .table-wrap{overflow-x:auto}
 table.compare{min-width:680px}
}