/* roulang page: index */
:root{
  --navy:#1a1f3d;
  --navy-2:#242a52;
  --navy-3:#151933;
  --gold:#ffb400;
  --gold-2:#ffc746;
  --gold-deep:#ff9500;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --text:#1c2033;
  --muted:#6b7186;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:22px;
  --shadow:0 6px 20px rgba(26,31,61,.08);
  --shadow-lg:0 20px 46px rgba(26,31,61,.16);
  --ease:.25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(24,28,56,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,180,0,.18);
  box-shadow:0 6px 22px rgba(10,13,30,.28);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px;
  white-space:nowrap;flex:0 0 auto;
}
.brand::before{
  content:"";width:11px;height:11px;border-radius:3px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 14px rgba(255,180,0,.85);
}
.brand:hover{color:var(--gold-2)}
.chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;overflow-x:auto;padding:11px 0;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;
  font-size:14px;color:#cbd1e8;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);
  white-space:nowrap;
}
.chip:hover{color:#fff;background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.45);transform:translateY(-1px)}
.chip.is-active{
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:800;border-color:transparent;
  box-shadow:0 6px 18px rgba(255,180,0,.38);
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--navy);color:#fff;
  padding:82px 0 96px;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.04);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(15,18,40,.96) 0%,rgba(26,31,61,.86) 46%,rgba(26,31,61,.40) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:780px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:#ffd98a;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.35);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.28;margin-bottom:20px;
  text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#ffd166,#ff9500);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  color:#cfd5ea;font-size:16.5px;line-height:1.9;
  max-width:700px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:800;font-size:15px;
  box-shadow:0 12px 28px rgba(255,152,0,.36);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,152,0,.5);color:#241f33}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.05);
  color:#fff;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,180,0,.65);color:#fff;transform:translateY(-2px)}
.hero-play{
  position:absolute;right:26px;bottom:44px;z-index:3;
  display:inline-flex;align-items:center;gap:14px;
  background:transparent;border:0;color:#fff;
  font-weight:700;font-size:14px;cursor:pointer;
}
.play-ring{
  width:66px;height:66px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 30%,#ffe08a,#ffb400 62%,#ff9500);
  box-shadow:0 0 0 10px rgba(255,180,0,.14),0 0 38px rgba(255,180,0,.55);
  transition:transform var(--ease),box-shadow var(--ease);
}
.play-ring::after{
  content:"";width:0;height:0;margin-left:6px;
  border-left:19px solid #1a1f3d;
  border-top:12px solid transparent;
  border-bottom:12px solid transparent;
}
.hero-play:hover .play-ring{
  transform:scale(1.07);
  box-shadow:0 0 0 15px rgba(255,180,0,.18),0 0 48px rgba(255,180,0,.72);
}
.hero-play:hover{color:var(--gold-2)}

/* ============ 数据条 ============ */
.stats-wrap{position:relative;z-index:5;margin-top:-52px}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 24px;
  box-shadow:var(--shadow-lg);
}
.stat-item{text-align:center;padding:4px 8px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{
  font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--navy);
  letter-spacing:.5px;
}
.stat-num span{color:var(--gold-deep);font-size:.72em;margin-left:2px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:74px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(160deg,var(--navy) 0%,#111530 100%);color:#fff}
.section-head{max-width:780px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
  color:#a4740a;background:rgba(255,180,0,.15);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--deep .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16)}
.section-title{font-size:clamp(22px,3vw,31px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85}
.section--deep .section-desc{color:#b9c0da}

/* ============ 入口矩阵 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.entry-card{
  display:block;position:relative;overflow:hidden;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:26px 22px;
  backdrop-filter:blur(8px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.entry-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,180,0,.55);
  background:rgba(255,180,0,.10);
  box-shadow:0 18px 40px rgba(255,180,0,.16);
}
.entry-idx{
  font-size:12px;font-weight:800;letter-spacing:2px;
  color:var(--gold-2);display:block;margin-bottom:12px;
}
.entry-card h3{font-size:17px;color:#fff;margin-bottom:8px}
.entry-card p{font-size:13.5px;color:#a9b1cd;line-height:1.7}
.entry-card::after{
  content:"→";position:absolute;right:20px;top:22px;
  color:rgba(255,180,0,.55);font-size:16px;
  transition:transform var(--ease);
}
.entry-card:hover::after{transform:translateX(4px);color:var(--gold-2)}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card-soft{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;height:100%;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card-soft:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#ffd98a}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(255,199,70,.22),rgba(255,149,0,.16));
  color:#8a5f00;font-weight:800;font-size:16px;
  border:1px solid rgba(255,180,0,.32);
}
.card-soft h3{font-size:17.5px;margin-bottom:10px}
.card-soft p{font-size:14.5px;color:var(--muted);line-height:1.8}
.tag{
  display:inline-block;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;
  background:rgba(26,31,61,.06);color:#4c5473;margin-bottom:12px;
}
.tag-gold{background:rgba(255,180,0,.18);color:#8a5f00}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow-step{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.flow-step .num{
  display:inline-grid;place-items:center;
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:800;font-size:15px;margin-bottom:14px;
}
.flow-step h3{font-size:16.5px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.78}

/* ============ 分类入口墙 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;justify-content:space-between;
  min-height:230px;padding:28px 26px;
  border-radius:var(--radius-lg);
  background:linear-gradient(155deg,#ffffff 0%,#f7f8fd 100%);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.cat-card .cat-no{
  font-size:12px;letter-spacing:2px;font-weight:800;color:#a4740a;
}
.cat-card h3{font-size:20px;margin:12px 0 10px}
.cat-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:800;font-size:14px;color:#8a5f00;
}
.cat-link::after{content:"›";font-size:20px;line-height:1;transition:transform var(--ease)}
.cat-card:hover .cat-link{color:var(--gold-deep)}
.cat-card:hover .cat-link::after{transform:translateX(4px)}

/* ============ 文章卡片 ============ */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#ffd98a}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#dfe3f0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{
  display:flex;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap;
}
.post-cat{
  font-weight:800;color:#8a5f00;background:rgba(255,180,0,.16);
  padding:2px 9px;border-radius:999px;
}
.post-title{font-size:16px;line-height:1.55;margin-bottom:10px;word-break:break-word}
.post-card:hover .post-title{color:#8a5f00}
.post-summary{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-note{
  padding:34px 24px;border:1px dashed #cfd5e8;border-radius:var(--radius);
  text-align:center;color:var(--muted);background:#fff;
}

/* ============ 资讯区：左列表 + 右推荐 ============ */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;
  box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-color:#ffd98a}
.news-thumb{flex:0 0 118px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:#e2e6f2}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-content{flex:1;min-width:0}
.news-content h3{font-size:15.5px;line-height:1.55;margin-bottom:6px;word-break:break-word}
.news-item:hover h3{color:#8a5f00}
.news-content p{font-size:13.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:12.5px;color:#9aa0b8;margin-top:6px;display:block}
.side-box{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  margin-bottom:18px;
}
.side-box h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list li + li{margin-top:12px}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#3a4160;line-height:1.6;
}
.side-list a::before{
  content:"";flex:0 0 6px;height:6px;border-radius:50%;
  background:var(--gold);margin-top:9px;
}
.side-list a:hover{color:var(--gold-deep)}
.side-note{font-size:13px;color:var(--muted);line-height:1.8;margin-top:14px}

/* ============ 图文拆解 ============ */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,31,61,0) 45%,rgba(26,31,61,.55) 100%);
}
.split-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,180,0,.94);color:#241f33;
  font-weight:800;font-size:13px;padding:7px 14px;border-radius:999px;
}
.check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;
  font-size:14.8px;color:#3c4362;line-height:1.8;
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:6px;
  display:grid;place-items:center;
  background:rgba(255,180,0,.2);color:#8a5f00;font-size:12px;font-weight:800;
}

/* ============ 版本更新 ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.12));
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);
  box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.tl-ver{font-size:13px;font-weight:800;color:#8a5f00;letter-spacing:1px}
.tl-item h3{font-size:16.5px;margin:6px 0 8px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ 口碑 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.quote-card{
  background:var(--surface);border:1px solid var(--line);
  border-left:4px solid var(--gold);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
}
.quote-card p{font-size:14.8px;color:#3c4362;line-height:1.85;margin-bottom:14px}
.quote-user{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.avatar{
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:800;
  background:linear-gradient(135deg,rgba(255,199,70,.3),rgba(255,149,0,.2));
  color:#8a5f00;border:1px solid rgba(255,180,0,.35);
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;
  font-weight:700;font-size:15.5px;position:relative;
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--gold-deep);
  transition:transform var(--ease);
}
.faq-item[open] summary{color:#8a5f00;background:rgba(255,180,0,.07)}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 收口 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(115deg,#1c2143 0%,#2a3160 55%,#3a2f1a 100%);
  padding:64px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 30%,rgba(255,180,0,.18),transparent 55%),
             radial-gradient(circle at 85% 70%,rgba(255,180,0,.12),transparent 55%);
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.cta-band p{color:#c8cfe6;font-size:15px;max-width:680px;margin:0 auto 26px;line-height:1.85}

/* ============ 页脚 ============ */
.site-footer{background:var(--navy-3);color:#a7aec9;padding:56px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand{color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.footer-brand::before{
  content:"";width:10px;height:10px;border-radius:3px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 12px rgba(255,180,0,.8);
}
.footer-desc{line-height:1.85;max-width:420px;color:#8f97b6}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.5px}
.footer-col li + li{margin-top:10px}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding-top:20px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:#7d85a5;
}
.footer-bottom a:hover{color:var(--gold-2)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-play{right:20px;bottom:28px}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;gap:0;padding-top:10px;padding-bottom:4px}
  .brand{font-size:15.5px}
  .chips{flex-basis:100%;padding:6px 0 12px}
  .hero{padding:56px 0 74px}
  .hero-play{position:static;margin-top:28px;right:auto;bottom:auto}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px;padding:20px 16px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding-bottom:12px}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:0;padding-bottom:0}
  .section{padding:54px 0}
  .quote-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .brand::before{width:9px;height:9px}
}
@media (max-width:520px){
  .entry-grid,.grid-3,.grid-2,.cat-grid,.flow{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .btn-gold,.btn-ghost{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .news-thumb{flex:0 0 92px}
  .play-ring{width:56px;height:56px}
  .card-soft,.cat-card{padding:22px 20px}
}

/* roulang page: article */
:root{
  --navy:#1a1f3d;
  --navy-2:#242a52;
  --navy-3:#151933;
  --gold:#ffb400;
  --gold-2:#ffc746;
  --gold-deep:#ff9500;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --text:#1c2033;
  --muted:#6b7186;
  --line:#e4e7f2;
  --radius:12px;
  --radius-lg:22px;
  --shadow:0 6px 20px rgba(26,31,61,.08);
  --shadow-lg:0 20px 46px rgba(26,31,61,.16);
  --ease:.25s ease;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.72;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(24,28,56,.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,180,0,.18);
  box-shadow:0 6px 22px rgba(10,13,30,.28);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px;
  white-space:nowrap;flex:0 0 auto;
}
.brand::before{
  content:"";width:11px;height:11px;border-radius:3px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 14px rgba(255,180,0,.85);
}
.brand:hover{color:var(--gold-2)}
.chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;overflow-x:auto;padding:11px 0;
  scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;
  font-size:14px;color:#cbd1e8;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.09);
  white-space:nowrap;
}
.chip:hover{color:#fff;background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.45);transform:translateY(-1px)}
.chip.is-active{
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:800;border-color:transparent;
  box-shadow:0 6px 18px rgba(255,180,0,.38);
}

/* ============ 通用按钮 ============ */
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:800;font-size:15px;
  box-shadow:0 12px 28px rgba(255,152,0,.36);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,152,0,.5);color:#241f33}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);
  background:rgba(255,255,255,.05);
  color:#fff;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,180,0,.65);color:#fff;transform:translateY(-2px)}

/* ============ 文章首屏 ============ */
.article-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:46px 0 58px}
.article-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.36;transform:scale(1.05);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(14,17,38,.97) 0%,rgba(26,31,61,.88) 52%,rgba(26,31,61,.46) 100%);
}
.article-hero-inner{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:#a9b1cd;margin-bottom:20px}
.crumb a:hover{color:var(--gold-2)}
.crumb .sep{color:rgba(255,255,255,.28)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:#ffd98a;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.35);
  padding:6px 14px;border-radius:999px;
}
.article-hero h1{
  font-size:clamp(24px,3.6vw,40px);color:#fff;
  margin:18px 0 18px;max-width:880px;
  text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.article-lead{max-width:780px;color:#c9d1e9;font-size:16px;line-height:1.92}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.meta-pill{
  font-size:13px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  color:#dfe4f5;
}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px}
.hstat{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,180,0,.22);
  border-radius:var(--radius);
  padding:16px 18px;
  backdrop-filter:blur(10px);
  transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.hstat:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.6);background:rgba(255,180,0,.1)}
.hstat b{display:block;font-size:22px;color:var(--gold-2);line-height:1.25}
.hstat span{font-size:12.5px;color:#a9b1cd}

/* ============ 板块 ============ */
.section{padding:72px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(160deg,var(--navy) 0%,#111530 100%);color:#fff}
.section-head{max-width:800px;margin-bottom:38px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
  color:#a4740a;background:rgba(255,180,0,.15);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--deep .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16)}
.section-title{font-size:clamp(22px,3vw,31px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85}
.section--deep .section-desc{color:#b9c0da}

/* ============ 正文布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:34px 36px;
}
.article-body{font-size:16px;line-height:1.95;color:#2a2f45}
.article-body h2{
  font-size:22px;margin:34px 0 14px;padding-left:14px;
  border-left:4px solid var(--gold);line-height:1.45;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;margin:26px 0 10px;color:var(--navy)}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;background:#fff8e6;
  border-left:4px solid var(--gold);border-radius:0 10px 10px 0;color:#5a4a1e;
}
.article-body img{border-radius:12px;margin:18px 0;box-shadow:var(--shadow)}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:#f7f8fd;font-weight:700;color:var(--navy)}
.article-body a{color:#a86f00;border-bottom:1px dashed rgba(255,180,0,.7)}
.article-body a:hover{color:var(--gold-deep)}
.article-empty{text-align:center;padding:26px 0}
.article-empty h2{font-size:22px;margin-bottom:12px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:88px}
.side-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:22px;margin-bottom:18px;
}
.side-panel h3{
  font-size:14px;letter-spacing:1.4px;color:#a4740a;
  margin-bottom:14px;text-transform:uppercase;
}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#40465e}
.side-list li:last-child{border-bottom:0}
.side-list a:hover{color:var(--gold-deep)}
.side-kv{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line)}
.side-kv:last-child{border-bottom:0}
.side-kv span{color:var(--muted)}
.side-kv b{color:var(--navy)}
.side-tip{
  background:linear-gradient(150deg,var(--navy) 0%,#111530 100%);
  color:#cfd6ee;border:0;
}
.side-tip h3{color:#ffd98a}
.side-tip p{font-size:14px;line-height:1.85;color:#b9c0da}
.side-tip .btn-gold{margin-top:16px;width:100%;padding:11px 18px;font-size:14px}

/* ============ 参数表 ============ */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
}
.data-table{width:100%;border-collapse:collapse;font-size:14.8px;margin:0}
.data-table thead th{
  background:linear-gradient(135deg,var(--navy),var(--navy-2));
  color:#fff;font-weight:700;text-align:left;
  padding:14px 18px;font-size:14px;letter-spacing:.6px;border:0;
}
.data-table tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:#333a52;vertical-align:top}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:#fffaf0}
.data-table td strong{color:var(--navy)}
.data-table .num{color:var(--gold-deep);font-weight:800;white-space:nowrap}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold-2),rgba(255,180,0,.12));
}
.timeline li{position:relative;padding:0 0 26px 0}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-33px;top:6px;width:20px;height:20px;
  border-radius:50%;background:#fff;border:3px solid var(--gold);
  box-shadow:0 0 0 5px rgba(255,180,0,.14);
}
.timeline h3{font-size:17px;margin-bottom:6px}
.timeline p{font-size:14.8px;color:var(--muted);line-height:1.85}
.timeline .tl-time{
  display:inline-block;font-size:12.5px;font-weight:800;color:#a4740a;
  background:rgba(255,180,0,.16);border-radius:999px;padding:2px 10px;margin-bottom:8px;
}

/* ============ 机制卡 ============ */
.mech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mech-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px 24px 22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mech-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.mech-card .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#241f33;font-weight:900;font-size:17px;margin-bottom:14px;
  box-shadow:0 8px 20px rgba(255,152,0,.3);
}
.mech-card h3{font-size:17px;margin-bottom:8px}
.mech-card p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.compare-col{
  border-radius:var(--radius);padding:24px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);
}
.compare-col.bad{border-top:4px solid #e2504a}
.compare-col.good{border-top:4px solid #2bb673}
.compare-col h3{font-size:16.5px;margin-bottom:14px}
.compare-col.bad h3{color:#b93b35}
.compare-col.good h3{color:#1f8a58}
.compare-col li{
  font-size:14.5px;color:#40465e;line-height:1.8;
  padding:10px 0 10px 22px;position:relative;border-bottom:1px dashed var(--line);
}
.compare-col li:last-child{border-bottom:0}
.compare-col.bad li::before{content:"✕";position:absolute;left:0;color:#e2504a;font-weight:800}
.compare-col.good li::before{content:"✓";position:absolute;left:0;color:#2bb673;font-weight:800}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.6);box-shadow:0 12px 30px rgba(255,180,0,.14)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;
  font-weight:800;font-size:15.5px;color:var(--navy);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  background:rgba(255,180,0,.16);color:#a4740a;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));color:#241f33}
.faq-item summary:hover{color:var(--gold-deep)}
.faq-answer{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ============ 收口 ============ */
.cta-band{position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.8vw,29px);margin-bottom:12px}
.cta-inner p{color:#b9c0da;font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--navy-3);color:#aab2cd;
  padding:56px 0 26px;border-top:1px solid rgba(255,180,0,.16);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{
  display:flex;align-items:center;gap:9px;
  color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;
}
.footer-brand::before{
  content:"";width:11px;height:11px;border-radius:3px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 14px rgba(255,180,0,.85);
}
.footer-desc{font-size:14px;line-height:1.9;color:#939cba;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:1px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:#a2aac6}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7f88a6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .side-sticky{position:static}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .article-hero{padding:34px 0 44px}
  .article-card{padding:26px 22px}
  .mech-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .data-table{font-size:13.6px}
  .data-table thead th,.data-table tbody td{padding:11px 12px}
  .header-inner{min-height:60px;gap:12px}
  .brand{font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr}
  .article-card{padding:22px 16px}
  .article-body h2{font-size:19px}
  .section-title{font-size:21px}
  .btn-gold,.btn-ghost{width:100%}
  .cta-actions{width:100%}
  .chip{font-size:13px;padding:6px 12px}
}

/* roulang page: category1 */
:root{
 --navy:#1a1f3d;
 --navy-2:#242a52;
 --navy-3:#151933;
 --gold:#ffb400;
 --gold-2:#ffc746;
 --gold-deep:#ff9500;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7186;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:22px;
 --shadow:0 6px 20px rgba(26,31,61,.08);
 --shadow-lg:0 20px 46px rgba(26,31,61,.16);
 --ease:.25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 -webkit-font-smoothing:antialiased;
 font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:800;letter-spacing:.2px}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ============ 顶栏 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(24,28,56,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.18);
 box-shadow:0 6px 22px rgba(10,13,30,.28);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px;
 white-space:nowrap;flex:0 0 auto;
}
.brand::before{
 content:"";width:11px;height:11px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 14px rgba(255,180,0,.85);
}
.brand:hover{color:var(--gold-2)}
.chips{
 display:flex;align-items:center;gap:8px;
 flex:1 1 auto;overflow-x:auto;padding:11px 0;
 scrollbar-width:none;-ms-overflow-style:none;
 -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
 flex:0 0 auto;padding:7px 15px;border-radius:999px;
 font-size:14px;color:#cbd1e8;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 white-space:nowrap;
}
.chip:hover{color:#fff;background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.45);transform:translateY(-1px)}
.chip.is-active{
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;border-color:transparent;
 box-shadow:0 6px 18px rgba(255,180,0,.38);
}

/* ============ 分类页首屏 ============ */
.cat-hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:66px 0 76px}
.cat-hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.34;transform:scale(1.05);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(13,16,36,.96) 0%,rgba(26,31,61,.88) 48%,rgba(26,31,61,.46) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:1.8px;
 color:#ffd98a;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.35);
 padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-copy h1{
 font-size:clamp(27px,3.9vw,42px);
 line-height:1.3;margin-bottom:18px;
 text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.hero-copy h1 em{
 font-style:normal;
 background:linear-gradient(120deg,#ffd166,#ff9500);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-text{color:#cfd5ea;font-size:16px;line-height:1.9;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;font-size:15px;
 box-shadow:0 12px 28px rgba(255,152,0,.36);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,152,0,.5);color:#241f33}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;
 border:1px solid rgba(255,255,255,.34);
 background:rgba(255,255,255,.05);
 color:#fff;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,180,0,.65);color:#fff;transform:translateY(-2px)}
.video-cta{
 display:inline-flex;align-items:center;gap:12px;
 margin-top:26px;background:transparent;border:0;padding:0;
 color:#e7ebf8;font-size:14px;font-weight:700;cursor:pointer;
}
.play-ring{
 width:46px;height:46px;border-radius:50%;
 display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 0 8px rgba(255,180,0,.14),0 0 30px rgba(255,180,0,.5);
 transition:transform var(--ease),box-shadow var(--ease);
}
.play-ring::after{
 content:"";width:0;height:0;margin-left:3px;
 border-left:12px solid #241f33;
 border-top:8px solid transparent;
 border-bottom:8px solid transparent;
}
.video-cta:hover .play-ring{transform:scale(1.08);box-shadow:0 0 0 14px rgba(255,180,0,.16),0 0 44px rgba(255,180,0,.7)}
.video-cta:hover{color:var(--gold-2)}

/* 玻璃数据面板 */
.glass-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:26px 24px;
 backdrop-filter:blur(14px);
 box-shadow:0 24px 50px rgba(8,11,28,.42);
}
.glass-panel h2{font-size:15px;color:#ffd98a;letter-spacing:1.2px;margin-bottom:18px;font-weight:800}
.panel-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.14);
 font-size:14px;color:#c3cae2;
}
.panel-row:last-of-type{border-bottom:0}
.panel-row strong{color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px}
.panel-row strong span{font-size:12px;color:var(--gold-2);margin-left:3px;font-weight:700}
.panel-note{
 margin-top:16px;font-size:12.5px;color:#a3abc8;line-height:1.7;
 padding-top:14px;border-top:1px solid rgba(255,255,255,.12);
}

/* ============ 通用板块 ============ */
.section{padding:74px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(160deg,var(--navy) 0%,#111530 100%);color:#fff}
.section-head{max-width:790px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:#a4740a;background:rgba(255,180,0,.15);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--deep .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16)}
.section-title{font-size:clamp(22px,3vw,31px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0}
.section--deep .section-desc{color:#b9c0da}

/* ============ 关键节点卡片 ============ */
.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.node-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 22px;
 box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.node-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.node-icon{
 width:42px;height:42px;border-radius:11px;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:15px;color:#241f33;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 8px 18px rgba(255,152,0,.3);
 margin-bottom:16px;
}
.node-card h3{font-size:17px;margin-bottom:9px}
.node-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}

/* ============ 节奏拆解 ============ */
.rhythm-wrap{
 display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;
}
.rhythm-list li{
 display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
 font-size:14.8px;color:#454b63;line-height:1.8;
}
.rhythm-list li:last-child{border-bottom:0}
.rhythm-list .idx{
 flex:0 0 auto;width:26px;height:26px;border-radius:8px;
 background:rgba(26,31,61,.07);color:var(--navy);
 font-size:13px;font-weight:800;
 display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.rhythm-list strong{color:var(--navy)}
.meter-box{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow);
}
.meter-box h3{font-size:16px;margin-bottom:20px;color:var(--navy)}
.meter-item{margin-bottom:20px}
.meter-item:last-child{margin-bottom:0}
.meter-top{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:8px;font-weight:700}
.meter-top b{color:var(--navy);font-size:14px}
.meter{height:9px;border-radius:999px;background:#eaeef8;overflow:hidden}
.meter-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-2),var(--gold-deep))}
.meter-fill.cool{background:linear-gradient(90deg,#6f7ee0,#3b47a8)}

/* ============ 阶段流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.flow-step{
 position:relative;
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);
 padding:26px 24px;
 backdrop-filter:blur(8px);
 transition:transform var(--ease),border-color var(--ease),background var(--ease);
}
.flow-step:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.09)}
.flow-num{
 font-size:13px;font-weight:800;letter-spacing:2px;color:var(--gold-2);
 display:block;margin-bottom:12px;
}
.flow-step h3{font-size:17.5px;color:#fff;margin-bottom:10px}
.flow-step p{font-size:14px;color:#a9b1cd;line-height:1.85;margin:0}

/* ============ 误区与对策 ============ */
.risk-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.risk-item{
 background:var(--surface);border:1px solid var(--line);
 border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:22px 24px;
 box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease);
}
.risk-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.risk-item h3{font-size:16px;margin-bottom:8px;color:var(--navy)}
.risk-item p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.risk-item p b{color:#a4740a}

/* ============ 数据带 ============ */
.stat-band{
 display:grid;grid-template-columns:repeat(4,1fr);
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow);
 overflow:hidden;
}
.stat-cell{padding:30px 20px;text-align:center;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-cell strong{
 display:block;font-size:clamp(24px,3vw,34px);
 color:var(--navy);font-weight:800;letter-spacing:.5px;
}
.stat-cell strong em{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:2px}
.stat-cell span{font-size:13.5px;color:var(--muted)}

/* ============ 复盘图文卡 ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease);
 display:flex;flex-direction:column;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.review-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--navy-3)}
.review-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.review-card:hover .review-thumb img{transform:scale(1.06)}
.review-badge{
 position:absolute;left:12px;top:12px;
 background:rgba(20,24,48,.82);color:var(--gold-2);
 font-size:12px;font-weight:800;letter-spacing:.5px;
 padding:4px 11px;border-radius:999px;border:1px solid rgba(255,180,0,.4);
}
.review-body{padding:20px 22px 24px;flex:1 1 auto}
.review-body h3{font-size:16.5px;margin-bottom:9px;color:var(--navy)}
.review-body p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
 font-size:12px;font-weight:700;color:#3c4370;
 background:#eef1fa;border:1px solid #e0e5f4;
 padding:3px 10px;border-radius:999px;
}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 22px;
 box-shadow:var(--shadow);height:100%;
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.post-card h3{font-size:16px;color:var(--navy);margin-bottom:10px;line-height:1.6}
.post-card p{font-size:13.8px;color:var(--muted);line-height:1.8;margin:0 0 16px;flex:1 1 auto}
.post-meta{font-size:12.5px;color:#8b91a8;display:flex;gap:10px;flex-wrap:wrap}
.post-meta span{color:#a4740a;font-weight:700}
.empty-note{
 background:var(--surface);border:1px dashed var(--line);
 border-radius:var(--radius);padding:28px;text-align:center;
 color:var(--muted);font-size:14.5px;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow);
 overflow:hidden;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-lg)}
.faq-item summary{
 list-style:none;cursor:pointer;
 padding:19px 24px;font-weight:800;font-size:15.5px;color:var(--navy);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;color:var(--gold-deep);font-weight:800;line-height:1;
 transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:#fafbff}
.faq-answer{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 padding:46px 40px;
 background:linear-gradient(120deg,#1a1f3d 0%,#2c3370 58%,#3a3172 100%);
 color:#fff;
 box-shadow:var(--shadow-lg);
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
 border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.35),transparent 68%);
}
.cta-band h2{font-size:clamp(20px,2.6vw,27px);margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:#c3cae2;font-size:14.8px;margin:0;max-width:620px;position:relative;z-index:2}
.cta-band .btn-gold{position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{
 background:var(--navy-3);color:#9ba2bd;
 padding:56px 0 26px;margin-top:0;
 border-top:1px solid rgba(255,180,0,.16);
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:36px}
.footer-brand{color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;letter-spacing:.4px}
.footer-desc{font-size:13.8px;line-height:1.9;color:#8f96b2;max-width:460px;margin:0}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.8px;color:#9ba2bd}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7f86a3;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .node-grid{grid-template-columns:repeat(2,1fr)}
 .flow-grid{grid-template-columns:1fr}
 .review-grid{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .rhythm-wrap{grid-template-columns:1fr;gap:28px}
 .stat-band{grid-template-columns:repeat(2,1fr)}
 .stat-cell:nth-child(2){border-right:0}
 .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid > div:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
 .header-inner{flex-wrap:wrap;gap:8px;padding:10px 0;min-height:auto}
 .brand{width:100%;font-size:15.5px}
 .chips{padding:2px 0 4px}
 .cat-hero{padding:52px 0 60px}
 .section{padding:56px 0}
 .risk-list{grid-template-columns:1fr}
 .review-grid{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .cta-band{padding:34px 24px}
 .cta-band .btn-gold{width:100%}
}
@media (max-width:520px){
 .node-grid{grid-template-columns:1fr}
 .stat-band{grid-template-columns:1fr}
 .stat-cell{border-right:0;border-bottom:1px solid var(--line);padding:22px 16px}
 .stat-cell:last-child{border-bottom:0}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
 .glass-panel{padding:22px 18px}
 .faq-item summary{padding:16px 18px;font-size:14.5px}
 .faq-answer{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
 --navy:#1a1f3d;
 --navy-2:#242a52;
 --navy-3:#151933;
 --gold:#ffb400;
 --gold-2:#ffc746;
 --gold-deep:#ff9500;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7186;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:22px;
 --shadow:0 6px 20px rgba(26,31,61,.08);
 --shadow-lg:0 20px 46px rgba(26,31,61,.16);
 --ease:.25s ease;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 -webkit-font-smoothing:antialiased;
 font-size:16px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:focus-visible,button:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.35;font-weight:800;letter-spacing:.2px}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ============ 顶栏 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(24,28,56,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.18);
 box-shadow:0 6px 22px rgba(10,13,30,.28);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px;
 white-space:nowrap;flex:0 0 auto;
}
.brand::before{
 content:"";width:11px;height:11px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 14px rgba(255,180,0,.85);
}
.brand:hover{color:var(--gold-2)}
.chips{
 display:flex;align-items:center;gap:8px;
 flex:1 1 auto;overflow-x:auto;padding:11px 0;
 scrollbar-width:none;-ms-overflow-style:none;
 -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
 flex:0 0 auto;padding:7px 15px;border-radius:999px;
 font-size:14px;color:#cbd1e8;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 white-space:nowrap;
}
.chip:hover{color:#fff;background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.45);transform:translateY(-1px)}
.chip.is-active{
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;border-color:transparent;
 box-shadow:0 6px 18px rgba(255,180,0,.38);
}

/* ============ 内页 Hero ============ */
.page-hero{
 position:relative;overflow:hidden;
 background:var(--navy);color:#fff;
 padding:66px 0 74px;
}
.page-hero .hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.34;transform:scale(1.05);
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(104deg,rgba(13,16,36,.96) 0%,rgba(26,31,61,.88) 52%,rgba(26,31,61,.46) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.page-hero h1{
 font-size:clamp(26px,3.6vw,40px);
 line-height:1.3;margin-bottom:18px;
 text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.page-hero h1 em{
 font-style:normal;
 background:linear-gradient(120deg,#ffd166,#ff9500);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.crumb{
 display:flex;align-items:center;gap:8px;flex-wrap:wrap;
 font-size:13px;color:#98a1c2;margin-bottom:18px;
}
.crumb a:hover{color:var(--gold-2)}
.crumb span{color:#5c668c}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:#ffd98a;background:rgba(255,180,0,.16);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
 border:1px solid rgba(255,180,0,.3);
}
.hero-lead{
 color:#cfd5ea;font-size:16px;line-height:1.9;
 max-width:640px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;font-size:15px;
 box-shadow:0 12px 28px rgba(255,152,0,.36);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,152,0,.5);color:#241f33}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;
 border:1px solid rgba(255,255,255,.34);
 background:rgba(255,255,255,.05);
 color:#fff;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,180,0,.65);color:#fff;transform:translateY(-2px)}

/* 玻璃面板 */
.glass-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:26px 24px;
 backdrop-filter:blur(12px);
 box-shadow:0 22px 54px rgba(8,10,26,.42);
}
.glass-panel h2{
 font-size:16px;color:#fff;margin-bottom:6px;letter-spacing:.5px;
}
.glass-panel .panel-sub{font-size:13px;color:#9aa3c4;margin-bottom:18px}
.metric-list{display:grid;gap:12px}
.metric{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:13px 15px;border-radius:12px;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.1);
 transition:border-color var(--ease),background var(--ease);
}
.metric:hover{background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.45)}
.metric-label{font-size:13.5px;color:#aeb6d4}
.metric-value{
 font-size:16px;font-weight:800;
 background:linear-gradient(120deg,#ffd166,#ff9500);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 white-space:nowrap;
}

/* ============ 通用板块 ============ */
.section{padding:72px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(160deg,var(--navy) 0%,#111530 100%);color:#fff}
.section-head{max-width:780px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .eyebrow{color:#a4740a;background:rgba(255,180,0,.15);border-color:rgba(255,180,0,.28)}
.section--deep .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.3)}
.section-title{font-size:clamp(22px,3vw,31px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.85;margin-bottom:0}
.section--deep .section-desc{color:#b9c0da}

/* 规则骨架卡片 */
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.rule-card{
 position:relative;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px 24px;
 box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rule-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.rule-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;margin-bottom:14px;
 font-size:14px;font-weight:800;color:#241f33;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 8px 18px rgba(255,180,0,.32);
}
.rule-card h3{font-size:16.5px;margin-bottom:8px}
.rule-card p{font-size:14px;color:var(--muted);line-height:1.78;margin:0}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.04)}
.split-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(26,31,61,0) 45%,rgba(21,25,51,.62) 100%);
 pointer-events:none;
}
.split-media .media-tag{
 position:absolute;left:18px;bottom:16px;z-index:2;
 font-size:12.5px;font-weight:700;color:#fff;
 background:rgba(255,180,0,.22);border:1px solid rgba(255,180,0,.5);
 padding:5px 13px;border-radius:999px;backdrop-filter:blur(6px);
}
.check-list{display:grid;gap:14px}
.check-list li{
 display:flex;gap:13px;align-items:flex-start;
 padding:15px 17px;border-radius:12px;
 background:var(--surface);border:1px solid var(--line);
 box-shadow:0 4px 14px rgba(26,31,61,.05);
 transition:border-color var(--ease),transform var(--ease);
}
.check-list li:hover{border-color:rgba(255,180,0,.6);transform:translateX(3px)}
.check-list .tick{
 flex:0 0 auto;width:22px;height:22px;border-radius:50%;
 display:inline-flex;align-items:center;justify-content:center;
 font-size:12px;font-weight:800;color:#241f33;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 margin-top:3px;
}
.check-list strong{display:block;font-size:15px;margin-bottom:3px}
.check-list span{font-size:13.8px;color:var(--muted);line-height:1.75}

/* 流程时间线 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.flow-step{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);
 padding:24px 20px;
 backdrop-filter:blur(8px);
 transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.flow-step:hover{
 transform:translateY(-5px);
 border-color:rgba(255,180,0,.55);
 background:rgba(255,180,0,.1);
 box-shadow:0 18px 40px rgba(255,180,0,.16);
}
.flow-step .step-idx{
 font-size:12px;font-weight:800;letter-spacing:2px;
 color:var(--gold-2);margin-bottom:10px;display:block;
}
.flow-step h3{font-size:16px;color:#fff;margin-bottom:8px}
.flow-step p{font-size:13.5px;color:#a9b1cd;line-height:1.75;margin:0}

/* 判定卡片 */
.judge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.judge-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 24px;
 box-shadow:var(--shadow);
 border-top:3px solid var(--gold);
 transition:transform var(--ease),box-shadow var(--ease);
}
.judge-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.judge-card h3{font-size:17px;margin-bottom:10px}
.judge-card p{font-size:14.2px;color:var(--muted);line-height:1.8;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
 font-size:12.5px;font-weight:700;color:#8a6200;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.32);
 padding:4px 11px;border-radius:999px;
}

/* 误判列表 */
.misread{display:grid;gap:14px}
.misread-item{
 display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:20px 24px;
 box-shadow:0 4px 14px rgba(26,31,61,.05);
 transition:border-color var(--ease),box-shadow var(--ease);
}
.misread-item:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.misread-item .wrong{
 font-size:14.5px;font-weight:800;color:#b3472e;
 display:flex;align-items:center;gap:8px;
}
.misread-item .wrong::before{
 content:"×";flex:0 0 auto;width:20px;height:20px;border-radius:50%;
 display:inline-flex;align-items:center;justify-content:center;
 background:rgba(179,71,46,.12);font-size:13px;
}
.misread-item .right{font-size:14.2px;color:var(--muted);line-height:1.8}
.misread-item .right b{color:var(--text)}

/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:block;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.post-card h3{font-size:16px;line-height:1.55;margin-bottom:9px}
.post-card:hover h3{color:#b57d00}
.post-card p{font-size:13.8px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8b91a8;align-items:center}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#c8cde0}
.empty-note{
 background:var(--surface);border:1px dashed var(--line);
 border-radius:var(--radius);padding:32px 24px;text-align:center;
 color:var(--muted);font-size:14.5px;
}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);overflow:hidden;
 box-shadow:0 4px 14px rgba(26,31,61,.05);
 transition:border-color var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.55)}
.faq-item summary{
 cursor:pointer;list-style:none;
 padding:19px 24px;font-size:15.5px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#b57d00;background:rgba(255,180,0,.05)}
.faq-item summary::after{
 content:"+";flex:0 0 auto;font-size:19px;font-weight:700;
 color:var(--gold-deep);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:14.3px;color:var(--muted);line-height:1.85}

/* CTA 条 */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(120deg,var(--navy) 0%,#232a58 58%,#2c2450 100%);
 color:#fff;border-radius:var(--radius-lg);
 padding:52px 46px;
 box-shadow:var(--shadow-lg);
 display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center;
}
.cta-band::before{
 content:"";position:absolute;right:-90px;top:-90px;
 width:300px;height:300px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28) 0%,rgba(255,180,0,0) 70%);
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:12px;position:relative}
.cta-band p{color:#c3cae4;font-size:15px;margin-bottom:0;position:relative;line-height:1.85}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative}

/* ============ 页脚 ============ */
.site-footer{
 background:var(--navy-3);color:#b6bdd8;
 padding:58px 0 0;
 border-top:1px solid rgba(255,180,0,.16);
 margin-top:0;
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;
 padding-bottom:40px;
}
.footer-brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;
}
.footer-brand::before{
 content:"";width:10px;height:10px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 12px rgba(255,180,0,.8);
}
.footer-desc{font-size:13.8px;line-height:1.9;color:#98a1c2;margin:0;max-width:440px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.8px;color:#98a1c2}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 padding:20px 0 26px;
 border-top:1px solid rgba(255,255,255,.08);
 font-size:12.8px;color:#7c85a6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .rule-grid{grid-template-columns:repeat(2,1fr)}
 .flow{grid-template-columns:repeat(2,1fr)}
 .judge-grid{grid-template-columns:1fr 1fr}
 .post-grid{grid-template-columns:1fr 1fr}
 .split{grid-template-columns:1fr;gap:30px}
 .cta-band{grid-template-columns:1fr;padding:40px 32px}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .header-inner{min-height:60px;gap:12px}
 .brand{font-size:15px}
 .section{padding:54px 0}
 .page-hero{padding:50px 0 56px}
 .rule-grid,.flow,.judge-grid,.post-grid{grid-template-columns:1fr}
 .misread-item{grid-template-columns:1fr;gap:8px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .cta-band{padding:34px 24px;border-radius:18px}
 .glass-panel{padding:22px 18px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:14px}
 .chip{font-size:13px;padding:6px 13px}
 .page-hero h1{font-size:24px}
 .hero-lead{font-size:14.8px}
 .btn-gold,.btn-ghost{padding:11px 20px;font-size:14px}
 .section{padding:46px 0}
 .rule-card,.judge-card,.post-card{padding:20px 18px}
 .faq-item summary{padding:16px 18px;font-size:14.6px}
 .faq-body{padding:0 18px 18px}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category3 */
:root{
 --navy:#1a1f3d;
 --navy-2:#242a52;
 --navy-3:#151933;
 --gold:#ffb400;
 --gold-2:#ffc746;
 --gold-deep:#ff9500;
 --bg:#f4f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#6b7186;
 --line:#e4e7f2;
 --radius:12px;
 --radius-lg:22px;
 --shadow:0 6px 20px rgba(26,31,61,.08);
 --shadow-lg:0 20px 46px rgba(26,31,61,.16);
 --ease:.25s ease;
}
*,*::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",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.72;
 -webkit-font-smoothing:antialiased;
 font-size:16px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
button{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ============ 顶栏 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(24,28,56,.96);
 backdrop-filter:blur(14px);
 border-bottom:1px solid rgba(255,180,0,.18);
 box-shadow:0 6px 22px rgba(10,13,30,.28);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:66px}
.brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px;
 white-space:nowrap;flex:0 0 auto;
}
.brand::before{
 content:"";width:11px;height:11px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 14px rgba(255,180,0,.85);
}
.brand:hover{color:var(--gold-2)}
.chips{
 display:flex;align-items:center;gap:8px;
 flex:1 1 auto;overflow-x:auto;padding:11px 0;
 scrollbar-width:none;-ms-overflow-style:none;
 -webkit-overflow-scrolling:touch;
}
.chips::-webkit-scrollbar{display:none}
.chip{
 flex:0 0 auto;padding:7px 15px;border-radius:999px;
 font-size:14px;color:#cbd1e8;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.09);
 white-space:nowrap;
}
.chip:hover{color:#fff;background:rgba(255,180,0,.18);border-color:rgba(255,180,0,.45);transform:translateY(-1px)}
.chip.is-active{
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;border-color:transparent;
 box-shadow:0 6px 18px rgba(255,180,0,.38);
}

/* ============ 按钮 / 标签 ============ */
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:999px;border:0;cursor:pointer;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 color:#241f33;font-weight:800;font-size:15px;
 box-shadow:0 12px 28px rgba(255,152,0,.36);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,152,0,.5);color:#241f33}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,152,0,.34)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:999px;
 border:1px solid rgba(255,255,255,.34);
 background:rgba(255,255,255,.05);
 color:#fff;font-weight:700;font-size:15px;cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,180,0,.65);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;font-weight:700;letter-spacing:.5px;
 color:#8a5a00;background:rgba(255,180,0,.16);
 border:1px solid rgba(255,180,0,.3);
 padding:4px 11px;border-radius:999px;
}

/* ============ Hero ============ */
.hero{
 position:relative;overflow:hidden;
 background:var(--navy);color:#fff;
 padding:70px 0 84px;
}
.hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 opacity:.42;transform:scale(1.04);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(102deg,rgba(15,18,40,.96) 0%,rgba(26,31,61,.88) 48%,rgba(26,31,61,.44) 100%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;
}
.hero-tag{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:700;letter-spacing:1.6px;
 color:#ffd98a;background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.35);
 padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
 font-size:clamp(28px,3.8vw,42px);
 line-height:1.3;margin-bottom:20px;
 text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.hero h1 em{
 font-style:normal;
 background:linear-gradient(120deg,#ffd166,#ff9500);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
 color:#cfd5ea;font-size:16px;line-height:1.9;
 max-width:620px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-fact strong{display:block;font-size:20px;color:var(--gold-2);letter-spacing:.4px}
.hero-fact span{font-size:12.8px;color:#9ea7c6;letter-spacing:.4px}

/* ============ 前后对比面板 ============ */
.compare{
 display:grid;gap:14px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);
 padding:18px;
 backdrop-filter:blur(16px);
 box-shadow:0 24px 60px rgba(8,11,28,.45);
}
.compare-card{border-radius:var(--radius);padding:16px 18px}
.compare-card h2{font-size:13.5px;letter-spacing:1.4px;margin-bottom:12px;font-weight:800}
.compare-card li{position:relative;padding-left:22px;font-size:13.4px;line-height:1.72;margin-bottom:7px}
.compare-card li:last-child{margin-bottom:0}
.compare-card.before{background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.22)}
.compare-card.before h2{color:#a9b1cd}
.compare-card.before li{color:#b0b8d2}
.compare-card.before li::before{content:"×";position:absolute;left:4px;top:-1px;color:#828bab;font-weight:700}
.compare-card.after{
 background:linear-gradient(150deg,rgba(255,180,0,.18),rgba(255,149,0,.06));
 border:1px solid rgba(255,180,0,.45);
 box-shadow:0 0 0 1px rgba(255,180,0,.1),0 14px 34px rgba(255,149,0,.16);
}
.compare-card.after h2{color:#ffd98a}
.compare-card.after li{color:#e8ecf8}
.compare-card.after li::before{content:"✓";position:absolute;left:2px;top:0;color:var(--gold-2);font-weight:800}

/* ============ 通用板块 ============ */
.section{padding:74px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--deep{background:linear-gradient(160deg,var(--navy) 0%,#111530 100%);color:#fff}
.section-head{max-width:820px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;
 color:#a4740a;background:rgba(255,180,0,.15);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.section--deep .eyebrow{color:#ffd98a;background:rgba(255,180,0,.16)}
.section-title{font-size:clamp(22px,3vw,31px);line-height:1.4;margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.4px;line-height:1.9}
.section--deep .section-desc{color:#b9c0da}

/* ============ 安装路径卡片 ============ */
.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));gap:20px}
.path-card{
 position:relative;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.path-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55)}
.path-badge{
 display:inline-flex;align-items:center;justify-content:center;
 width:40px;height:40px;border-radius:11px;
 background:linear-gradient(140deg,rgba(255,199,70,.24),rgba(255,149,0,.14));
 border:1px solid rgba(255,180,0,.35);
 color:#8a5a00;font-weight:800;font-size:15px;margin-bottom:16px;
}
.path-card h3{font-size:17px;margin-bottom:9px}
.path-card p{font-size:14px;color:var(--muted);line-height:1.82}
.path-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.path-meta span{
 font-size:12px;color:#5d6378;background:#f1f3fa;
 border:1px solid var(--line);border-radius:999px;padding:3px 10px;
}

/* ============ 安装步骤 ============ */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.step-card{
 display:flex;gap:18px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.step-num{
 flex:0 0 auto;width:44px;height:44px;border-radius:12px;
 display:flex;align-items:center;justify-content:center;
 font-weight:800;font-size:16px;color:#241f33;
 background:linear-gradient(140deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 10px 22px rgba(255,152,0,.28);
}
.step-card h3{font-size:16.5px;margin-bottom:7px}
.step-card p{font-size:14px;color:var(--muted);line-height:1.82}

/* ============ 配置要求 ============ */
.specs-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;align-items:start}
.specs-media{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow-lg);
 background:var(--navy-3);
}
.specs-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.specs-note{
 margin-top:18px;padding:16px 18px;border-radius:var(--radius);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
 font-size:13.8px;color:#6a4a00;line-height:1.82;
}
.spec-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.spec-head,.spec-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:12px;padding:14px 20px;font-size:14px}
.spec-head{
 background:linear-gradient(140deg,var(--navy),var(--navy-2));
 color:#fff;font-weight:800;font-size:13.5px;letter-spacing:.6px;
}
.spec-row{border-top:1px solid var(--line);color:var(--muted);transition:background var(--ease)}
.spec-row:nth-child(odd){background:#fafbff}
.spec-row:hover{background:rgba(255,180,0,.07)}
.spec-row span:first-child{color:var(--text);font-weight:700}
.spec-row span:last-child{color:#8a5a00;font-weight:600}

/* ============ 运行数据 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);padding:26px 22px;
 backdrop-filter:blur(10px);
 transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.metric-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.1);box-shadow:0 18px 40px rgba(255,180,0,.14)}
.metric-value{
 font-size:clamp(24px,2.6vw,30px);font-weight:800;letter-spacing:.5px;
 background:linear-gradient(120deg,#ffd166,#ff9500);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 margin-bottom:8px;
}
.metric-label{font-size:13.6px;color:#a9b1cd;line-height:1.7}
.metric-foot{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}
.metric-mini{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 padding:18px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
 font-size:14px;color:#cfd5ea;
}
.metric-mini strong{color:var(--gold-2);font-size:16px}

/* ============ 卡点排查 ============ */
.trouble-list{display:grid;gap:14px}
.trouble-item{
 display:grid;grid-template-columns:auto 1fr;gap:16px;
 background:var(--surface);border:1px solid var(--line);
 border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:20px 22px;
 box-shadow:var(--shadow);
 transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.trouble-item:hover{transform:translateX(4px);box-shadow:var(--shadow-lg);border-left-color:var(--gold-deep)}
.trouble-item h3{font-size:15.6px;margin-bottom:6px}
.trouble-item p{font-size:14px;color:var(--muted);line-height:1.82}
.trouble-dot{
 width:26px;height:26px;border-radius:50%;margin-top:3px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(255,180,0,.18);color:#8a5a00;font-weight:800;font-size:13px;
}

/* ============ 版本时间线 ============ */
.timeline{position:relative;padding-left:28px}
.timeline::before{
 content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.7),rgba(255,180,0,.1));
}
.timeline-item{position:relative;padding-bottom:26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
 content:"";position:absolute;left:-27px;top:7px;
 width:12px;height:12px;border-radius:50%;
 background:var(--gold);border:3px solid #fff;
 box-shadow:0 0 0 3px rgba(255,180,0,.22);
}
.timeline-date{
 display:inline-block;font-size:12.6px;font-weight:800;letter-spacing:.8px;
 color:#8a5a00;background:rgba(255,180,0,.15);border-radius:999px;
 padding:3px 12px;margin-bottom:8px;
}
.timeline-item h3{font-size:15.6px;margin-bottom:5px}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq .accordion-item{
 background:var(--surface);border:1px solid var(--line)!important;
 border-radius:var(--radius)!important;overflow:hidden;
 margin-bottom:12px;box-shadow:var(--shadow);
}
.faq .accordion-button{
 background:transparent;color:var(--text);font-weight:700;font-size:15.4px;
 padding:18px 22px;box-shadow:none;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){background:rgba(255,180,0,.1);color:#8a5a00}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(255,180,0,.5);outline-offset:-3px}
.faq .accordion-body{padding:2px 22px 20px;color:var(--muted);font-size:14.3px;line-height:1.88}
.faq .accordion-body strong{color:var(--text)}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 background:linear-gradient(140deg,#1a1f3d 0%,#111530 58%,#1d2350 100%);
 color:#fff;
}
.cta-band::before{
 content:"";position:absolute;width:460px;height:460px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.3),transparent 68%);
 top:-160px;right:-90px;filter:blur(8px);
}
.cta-band::after{
 content:"";position:absolute;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(80,140,255,.22),transparent 70%);
 bottom:-150px;left:-70px;filter:blur(6px);
}
.cta-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.35fr auto;gap:34px;
 align-items:center;padding:62px 0;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-inner p{color:#b9c0da;font-size:15px;line-height:1.85;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(180deg,#171c3b,#0f1329);
 color:#b9c0da;padding:60px 0 26px;
 border-top:1px solid rgba(255,180,0,.2);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand{
 display:flex;align-items:center;gap:9px;
 color:#fff;font-size:18px;font-weight:800;margin-bottom:14px;letter-spacing:.4px;
}
.footer-brand::before{
 content:"";width:11px;height:11px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 14px rgba(255,180,0,.8);
}
.footer-desc{font-size:13.6px;line-height:1.9;color:#98a0bd;max-width:430px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.6px;color:#a6aecc}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.8px;color:#7f88a8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px}
 .hero{padding:58px 0 66px}
 .specs-wrap{grid-template-columns:1fr;gap:26px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .entry-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
 .footer-grid>div:first-child{grid-column:1/-1}
 .cta-inner{grid-template-columns:1fr;gap:24px;padding:52px 0}
 .section{padding:60px 0}
}
@media (max-width:768px){
 .header-inner{min-height:60px;gap:12px}
 .brand{font-size:15px}
 .chip{font-size:13px;padding:6px 13px}
 .step-grid{grid-template-columns:1fr}
 .metric-foot{grid-template-columns:1fr}
 .section{padding:52px 0}
 .section-head{margin-bottom:30px}
 .hero h1{font-size:26px}
 .hero-lead{font-size:15px}
 .hero-facts{gap:18px;margin-top:24px}
 .hero-fact strong{font-size:18px}
 .timeline{padding-left:24px}
}
@media (max-width:560px){
 .container{padding:0 16px}
 .hero{padding:46px 0 56px}
 .compare{padding:14px;border-radius:16px}
 .path-grid{grid-template-columns:1fr}
 .metric-grid{grid-template-columns:1fr}
 .spec-head{display:none}
 .spec-row{grid-template-columns:1fr 1fr;row-gap:6px;padding:16px 16px}
 .spec-row>span:first-child{grid-column:1/-1;font-weight:800;color:var(--text);font-size:14.5px}
 .spec-row span{font-size:13.4px}
 .btn-gold,.btn-ghost{width:100%;padding:13px 20px}
 .hero-actions{gap:10px}
 .trouble-item{grid-template-columns:1fr;gap:8px;padding:18px}
 .trouble-dot{margin-top:0}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:8px}
 .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}