/* roulang page: index */
:root{
  --ink:#0d1129;
  --ink-2:#1a1f3d;
  --ink-3:#252c56;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#38e1d0;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1b1f33;
  --muted:#6b7391;
  --line:#e6e9f4;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(20,26,60,.06);
  --shadow:0 12px 32px rgba(20,26,60,.11);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding: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:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,17,41,.93);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,180,0,.2);
  box-shadow:0 6px 26px rgba(6,9,24,.35);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 20px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-2),#ff8a00);
  display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:14px;
  box-shadow:0 0 18px rgba(255,180,0,.45);
}
.brand-text{white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#8f97bd;letter-spacing:1.6px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;color:#c3c9e4;font-size:14.5px;font-weight:500;
  padding:10px 15px;border-radius:9px;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-links a.active{color:var(--gold);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#20160a;font-weight:800;font-size:14px;
  box-shadow:0 6px 20px rgba(255,180,0,.34);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,180,0,.5)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(56,225,208,.75);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;box-shadow:0 8px 24px rgba(255,180,0,.36)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,180,0,.5)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:0 8px 22px rgba(26,31,61,.28)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:66px 0 60px}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.38;filter:saturate(1.15);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(820px 380px at 12% 12%,rgba(255,180,0,.24),transparent 62%),
    radial-gradient(680px 340px at 88% 78%,rgba(56,225,208,.16),transparent 65%),
    linear-gradient(180deg,rgba(13,17,41,.72),rgba(13,17,41,.96));
}
.hero-inner{
  position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:1.4fr .85fr;gap:46px;align-items:start;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:1px;
  color:var(--gold);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.36);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);display:inline-block}
.hero h1{
  margin:20px 0 0;font-size:clamp(28px,3.7vw,44px);line-height:1.28;font-weight:900;letter-spacing:-.5px;
  text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero-lead{margin:18px 0 0;font-size:15.5px;line-height:1.95;color:#c6cbe4;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;max-width:640px}
.hero-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:14px 12px;text-align:center}
.hero-stat b{display:block;font-size:22px;font-weight:900;color:var(--gold);line-height:1.2;letter-spacing:-.5px}
.hero-stat span{font-size:12px;color:#9aa2c6;letter-spacing:.5px}
.hero-panel{
  background:rgba(20,25,58,.82);border:1px solid rgba(255,180,0,.28);
  border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(10px);
  box-shadow:0 20px 48px rgba(0,0,0,.4);
}
.hero-panel h2{margin:0 0 6px;font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.hero-panel .panel-sub{margin:0 0 18px;font-size:12.5px;color:#8f97bd}
.panel-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid rgba(255,255,255,.09)}
.panel-list li:first-child{border-top:0;padding-top:0}
.panel-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:var(--gold);font-size:12.5px;font-weight:800;
}
.panel-list b{display:block;font-size:14px;color:#fff;font-weight:700;margin-bottom:2px}
.panel-list p{margin:0;font-size:12.5px;color:#9aa2c6;line-height:1.7}
.panel-links{display:grid;gap:9px;margin-top:18px}
.panel-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 15px;border-radius:10px;font-size:13.5px;font-weight:600;color:#e7ebff;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.panel-links a:hover{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.45);transform:translateX(3px)}
.panel-links a span{color:var(--gold);font-size:13px}

/* ---------- 通用板块 ---------- */
.section{padding:70px 0}
.band-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-dark{background:var(--ink-2);color:#fff}
.band-tint{background:linear-gradient(180deg,#f4f6fb,#eef1fa)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{margin:0;font-size:clamp(21px,2.5vw,29px);font-weight:900;color:var(--text);letter-spacing:-.3px;line-height:1.4}
.sec-title em{font-style:normal;color:#c98a00}
.sec-desc{margin:10px 0 0;font-size:14.8px;color:var(--muted);max-width:660px;line-height:1.9}
.band-dark .sec-title{color:#fff}
.band-dark .sec-title em{color:var(--gold)}
.band-dark .sec-desc{color:#a3aacd}
.sec-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:#b8790a;
  padding:9px 18px;border-radius:999px;border:1px solid rgba(255,180,0,.4);background:rgba(255,180,0,.08);
  transition:background .2s ease,transform .2s ease;white-space:nowrap;
}
.sec-more:hover{background:rgba(255,180,0,.18);transform:translateX(3px)}
.band-dark .sec-more{color:var(--gold);background:rgba(255,180,0,.12)}
.band-dark .sec-more:hover{background:rgba(255,180,0,.22)}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.metric b{display:block;font-size:27px;font-weight:900;color:var(--ink-2);letter-spacing:-1px;line-height:1.2}
.metric b i{font-style:normal;color:var(--gold);font-size:16px;font-weight:800;margin-left:2px}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.card h3{margin:0 0 10px;font-size:16.5px;font-weight:800;color:var(--text);line-height:1.5}
.card p{margin:0;font-size:14px;color:var(--muted);line-height:1.85}
.card-icon{
  width:42px;height:42px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,180,0,.06));
  color:#b8790a;font-weight:900;font-size:15px;border:1px solid rgba(255,180,0,.28);
}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(26,31,61,.06);color:#4b547a;letter-spacing:.3px;
}
.tag-gold{background:rgba(255,180,0,.16);color:#a97600}
.band-dark .tag{background:rgba(255,255,255,.1);color:#c3c9e4}
.band-dark .tag-gold{background:rgba(255,180,0,.18);color:var(--gold)}

/* ---------- 分类入口墙 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.55)}
.cat-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.cat-card:hover .cat-media img{transform:scale(1.06)}
.cat-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,41,.05),rgba(13,17,41,.55))}
.cat-badge{
  position:absolute;left:14px;top:14px;z-index:2;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:800;color:#20160a;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  box-shadow:0 4px 14px rgba(0,0,0,.25);
}
.cat-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-body h3{margin:0;font-size:17px;font-weight:800;color:var(--text)}
.cat-body p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.8;flex:1}
.cat-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:#b8790a;margin-top:4px}
.cat-card:hover .cat-link{color:#8d5c00}

/* ---------- 图文推荐卡 ---------- */
.rec-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.rec-media{aspect-ratio:16/10;overflow:hidden;background:#dfe3f0}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-media img{transform:scale(1.05)}
.rec-body{padding:18px 20px 20px}
.rec-body h3{margin:10px 0 8px;font-size:15.5px;font-weight:800;color:var(--text);line-height:1.55}
.rec-body p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 场景矩阵 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.scene-item{padding:26px 26px 26px 24px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);transition:background .2s ease}
.scene-item:nth-child(2n){border-right:0}
.scene-item:nth-last-child(-n+2){border-bottom:0}
.scene-item:hover{background:#fbfcff}
.scene-item h3{margin:0 0 8px;font-size:16px;font-weight:800;display:flex;align-items:center;gap:10px}
.scene-item h3 i{
  font-style:normal;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:900;background:rgba(255,180,0,.16);color:#a97600;
}
.scene-item p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.85}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:30px 24px 26px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5);background:rgba(255,180,0,.07)}
.step-no{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;font-weight:900;font-size:15px;
  margin-bottom:16px;box-shadow:0 6px 18px rgba(255,180,0,.3);
}
.step h3{margin:0 0 9px;font-size:16px;font-weight:800;color:#fff}
.step p{margin:0;font-size:13.6px;color:#a3aacd;line-height:1.85}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:1.62fr .9fr;gap:28px;align-items:start}
.news-layout.single{grid-template-columns:1fr}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.news-thumb{aspect-ratio:4/3;border-radius:9px;overflow:hidden;background:#e3e7f3}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:#8b93b3}
.news-item h3{margin:7px 0 6px;font-size:15.5px;font-weight:800;color:var(--text);line-height:1.6}
.news-item p{margin:0;font-size:13.4px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}
.side-box h3{margin:0 0 14px;font-size:15px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px}
.side-box h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--gold)}
.side-list li{padding:12px 0;border-top:1px dashed var(--line)}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list a{display:block;font-size:13.6px;font-weight:600;color:#2b3255;line-height:1.7;transition:color .2s ease}
.side-list a:hover{color:#b8790a}
.side-list span{display:block;font-size:12px;color:#8b93b3;margin-top:3px}
.empty-note{padding:34px 24px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius);font-size:14px}

/* ---------- 横滑轨 ---------- */
.rail{display:flex;gap:18px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:7px}
.rail::-webkit-scrollbar-track{background:rgba(26,31,61,.07);border-radius:999px}
.rail::-webkit-scrollbar-thumb{background:rgba(255,180,0,.65);border-radius:999px}
.rail-item{
  flex:0 0 268px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.rail-media{aspect-ratio:16/10;overflow:hidden}
.rail-media img{width:100%;height:100%;object-fit:cover}
.rail-body{padding:15px 17px 18px}
.rail-body h3{margin:8px 0 6px;font-size:14.6px;font-weight:800;line-height:1.55;color:var(--text)}
.rail-body p{margin:0;font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- 标签索引 ---------- */
.topic-cloud{display:flex;flex-wrap:wrap;gap:11px}
.topic-chip{
  display:inline-flex;align-items:center;gap:7px;padding:9px 17px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:#3a4269;
  box-shadow:var(--shadow-sm);transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.topic-chip:hover{border-color:rgba(255,180,0,.7);color:#a97600;background:#fffdf6;transform:translateY(-2px)}
.topic-chip b{color:#a97600;font-weight:800;font-size:12px}

/* ---------- 口碑墙 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.quote-card::before{
  content:"“";position:absolute;right:18px;top:6px;font-size:52px;line-height:1;
  color:rgba(255,180,0,.22);font-family:Georgia,serif;
}
.quote-card p{margin:0 0 16px;font-size:14px;color:#3d456b;line-height:1.9}
.quote-user{display:flex;align-items:center;gap:11px}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:14px;
  background:linear-gradient(135deg,var(--ink-2),#3a4478);color:var(--gold);
}
.quote-user b{display:block;font-size:13.5px;color:var(--text)}
.quote-user span{display:block;font-size:12px;color:#8b93b3}

/* ---------- 对比条 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);background:#fff}
.compare-col.bad{background:#fbfbfd;border-style:dashed}
.compare-col.good{border-color:rgba(255,180,0,.55);box-shadow:0 12px 30px rgba(255,180,0,.13)}
.compare-col h3{margin:0 0 16px;font-size:15.5px;font-weight:800;display:flex;align-items:center;gap:9px}
.compare-col h3 i{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-style:normal;font-weight:900}
.compare-col.bad h3 i{background:rgba(107,115,145,.14);color:#6b7391}
.compare-col.good h3 i{background:rgba(255,180,0,.18);color:#a97600}
.compare-col li{display:flex;gap:10px;font-size:13.8px;color:var(--muted);line-height:1.85;padding:8px 0}
.compare-col li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;margin-top:10px;background:#c7cde2}
.compare-col.good li{color:#3d456b}
.compare-col.good li::before{background:var(--gold)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.55)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15px;font-weight:700;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:#b8790a;font-size:20px;font-weight:800;line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-3px}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- 收口 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:52px 44px}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(13,17,41,.94),rgba(26,31,61,.82))}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{margin:0;font-size:clamp(21px,2.5vw,29px);font-weight:900;letter-spacing:-.4px;line-height:1.4}
.cta-inner h2 em{font-style:normal;color:var(--gold)}
.cta-inner p{margin:12px 0 0;font-size:14.6px;color:#b7bede;max-width:600px;line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d1129;color:#a3aacd;padding:58px 0 26px;border-top:1px solid rgba(255,180,0,.18)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-about{font-size:13.4px;line-height:1.9;color:#8b93b8;max-width:330px}
.footer-col h3{margin:0 0 14px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.4px;color:#939bc0;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--gold);padding-left:4px}
.footer-note{font-size:13px;line-height:1.9;color:#7d85ab}
.footer-bottom{padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.6px;color:#767ea4}
.footer-bottom a{color:#939bc0}
.footer-bottom a:hover{color:var(--gold)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;
    background:#151a38;flex-direction:column;align-items:stretch;
    padding:12px 16px 16px;gap:4px;border-bottom:1px solid rgba(255,180,0,.22);
    box-shadow:0 18px 40px rgba(0,0,0,.4);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-links a.active::after{left:14px;right:auto;width:16px;bottom:8px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .grid-3,.cat-grid,.steps{grid-template-columns:1fr 1fr}
  .scene-list{grid-template-columns:1fr}
  .scene-item{border-right:0}
  .scene-item:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .scene-item:last-child{border-bottom:0}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero{padding:48px 0 46px}
  .grid-2,.grid-3,.grid-4,.cat-grid,.steps,.quote-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:38px 24px}
  .news-item{grid-template-columns:110px 1fr;gap:13px}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:520px){
  .nav-wrap{height:62px}
  .nav-links{top:62px}
  .brand{font-size:15px}
  .brand-text small{display:none}
  .hero h1{font-size:26px}
  .hero-lead{font-size:14.5px}
  .hero-actions .btn{width:100%}
  .metrics{grid-template-columns:1fr 1fr;gap:12px}
  .metric b{font-size:22px}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .rail-item{flex-basis:230px}
  .compare{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --ink:#0d1129;
  --ink-2:#1a1f3d;
  --ink-3:#252c56;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#38e1d0;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1b1f33;
  --muted:#6b7391;
  --line:#e6e9f4;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(20,26,60,.06);
  --shadow:0 12px 32px rgba(20,26,60,.11);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;padding: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:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;line-height:1.35}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
::selection{background:rgba(255,180,0,.32);color:#1a1f3d}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(13,17,41,.93);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,180,0,.2);
  box-shadow:0 6px 26px rgba(6,9,24,.35);
}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 20px;
  height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-2),#ff8a00);
  display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:14px;
  box-shadow:0 0 18px rgba(255,180,0,.45);
}
.brand-text{white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#8f97bd;letter-spacing:1.6px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-block;color:#c3c9e4;font-size:14.5px;font-weight:500;
  padding:10px 15px;border-radius:9px;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-links a.active{color:var(--gold);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:#20160a;font-weight:800;font-size:14px;
  box-shadow:0 6px 20px rgba(255,180,0,.34);
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,180,0,.5)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 27px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(56,225,208,.75);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;box-shadow:0 8px 24px rgba(255,180,0,.36)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,180,0,.5)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:0 8px 22px rgba(26,31,61,.28)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- 文章首屏 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:38px 0 54px}
.article-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.34;filter:saturate(1.15);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 340px at 10% 8%,rgba(255,180,0,.22),transparent 62%),
    radial-gradient(640px 320px at 90% 82%,rgba(56,225,208,.15),transparent 66%),
    linear-gradient(180deg,rgba(13,17,41,.78),rgba(13,17,41,.97));
}
.article-hero-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:12.5px;color:#8f97bd;margin-bottom:26px;
}
.breadcrumb a{color:#b9c0dd;transition:color .2s}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb span.sep{color:#4a5280}
.crumb-current{color:#e7eaf7;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{display:grid;grid-template-columns:1.45fr .85fr;gap:44px;align-items:center}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.6px;
  color:var(--gold);background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.36);
}
.article-head h1{
  margin:18px 0 0;font-size:clamp(25px,3.2vw,38px);line-height:1.32;font-weight:900;letter-spacing:-.4px;
  text-shadow:0 4px 24px rgba(0,0,0,.4);
}
.article-dek{margin:16px 0 0;font-size:15px;line-height:1.95;color:#c3c9e4;max-width:640px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:9px;font-size:12.5px;color:#c8cee8;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
}
.meta-chip b{color:var(--gold);font-weight:700}
.article-cover{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,180,0,.28);
  box-shadow:0 22px 48px rgba(0,0,0,.45);
  position:relative;
}
.article-cover img{width:100%;height:280px;object-fit:cover}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;font-size:12.5px;color:#d5daf0;
  background:linear-gradient(180deg,rgba(13,17,41,0),rgba(13,17,41,.92));
}

/* ---------- 主体两栏 ---------- */
.article-body-section{padding:52px 0 64px}
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:38px;align-items:start}
.article-main{min-width:0;max-width:760px}
.article-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}

/* 快速要点 */
.quick-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:26px}
.quick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.quick-card h3{font-size:14px;font-weight:800;color:var(--ink-2);margin-bottom:8px;padding-left:12px;position:relative}
.quick-card h3::before{content:"";position:absolute;left:0;top:6px;width:5px;height:14px;border-radius:3px;background:linear-gradient(180deg,var(--gold-2),var(--gold))}
.quick-card p{margin:0;font-size:13px;line-height:1.85;color:var(--muted)}

/* 正文面板 */
.prose-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 32px;box-shadow:var(--shadow-sm);margin-bottom:26px;
}
.cms-content{font-size:15.5px;line-height:1.95;color:#2c3150;word-break:break-word}
.cms-content h2{
  font-size:21px;font-weight:800;color:var(--ink-2);margin:34px 0 14px;padding-left:14px;position:relative;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold));
}
.cms-content h2:first-child{margin-top:0}
.cms-content h3{font-size:17px;font-weight:800;color:var(--ink-2);margin:26px 0 10px}
.cms-content h4{font-size:15.5px;font-weight:700;color:var(--ink-3);margin:20px 0 8px}
.cms-content p{margin:0 0 15px}
.cms-content a{color:#b77900;border-bottom:1px dashed rgba(183,121,0,.55);transition:color .2s,border-color .2s}
.cms-content a:hover{color:var(--gold);border-color:var(--gold)}
.cms-content ul,.cms-content ol{margin:0 0 16px;padding-left:22px;list-style:disc}
.cms-content ol{list-style:decimal}
.cms-content li{margin-bottom:8px}
.cms-content li::marker{color:var(--gold);font-weight:700}
.cms-content blockquote{
  margin:20px 0;padding:16px 20px;border-left:4px solid var(--gold);
  background:#fafbff;border-radius:0 var(--radius) var(--radius) 0;color:#454b6e;font-size:14.5px;
}
.cms-content img{border-radius:var(--radius);margin:18px 0;box-shadow:var(--shadow-sm)}
.cms-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.cms-content th{background:#f5f7ff;color:var(--ink-2);font-weight:700}
.cms-content strong{color:var(--ink-2)}
.cms-content code{background:#eef1fb;border-radius:5px;padding:2px 6px;font-size:13px;color:#3a3f66}

/* 内容缺失 */
.empty-state{text-align:left;padding:8px 0}
.empty-state h2{font-size:21px;color:var(--ink-2);margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--muted);line-height:1.9;margin-bottom:20px}

/* 通用面板 */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 30px;box-shadow:var(--shadow-sm);margin-bottom:26px;
}
.panel-head{margin-bottom:20px}
.panel-head h2{font-size:19px;font-weight:800;color:var(--ink-2);letter-spacing:-.2px}
.panel-head p{margin:6px 0 0;font-size:13.5px;color:var(--muted);line-height:1.85}

/* 数据面板 */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.metric{
  border-radius:var(--radius);padding:16px 12px;text-align:center;
  background:linear-gradient(180deg,#f7f9ff,#ffffff);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.metric:hover{border-color:rgba(255,180,0,.55);transform:translateY(-2px)}
.metric b{display:block;font-size:24px;font-weight:900;color:#c98a00;letter-spacing:-.6px;line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:12px;color:var(--muted)}

/* 推进节奏 */
.step-list{display:flex;flex-direction:column;gap:0}
.step{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.step:last-child{border-bottom:0;padding-bottom:0}
.step:first-child{padding-top:0}
.step-num{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:15px;color:#1a1f3d;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.step-body h3{font-size:15.5px;font-weight:800;color:var(--ink-2);margin-bottom:6px}
.step-body p{margin:0;font-size:13.5px;line-height:1.9;color:var(--muted)}
.step-body .step-note{display:inline-block;margin-top:8px;font-size:12px;color:#8a6a00;background:rgba(255,180,0,.14);border-radius:999px;padding:3px 11px}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:rgba(255,180,0,.45)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:15px 46px 15px 18px;
  font-weight:700;font-size:14.5px;color:var(--ink-2);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--gold);line-height:1;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-sm)}
.faq-item[open] summary::after{content:"–"}
.faq-a{border-top:1px dashed var(--line);padding:14px 18px 16px;font-size:13.5px;line-height:1.95;color:var(--muted)}
.faq-a p{margin:0}

/* 延伸阅读 */
.related-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.related-item{
  display:block;background:#fbfcff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.related-item:hover{transform:translateY(-3px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-sm)}
.related-item h3{font-size:14.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px;line-height:1.6}
.related-item span{font-size:12px;color:var(--muted)}

/* 收口 CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:34px 32px;color:#fff;background:var(--ink-2);
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 200px at 88% 18%,rgba(255,180,0,.28),transparent 68%),
    radial-gradient(380px 200px at 6% 90%,rgba(56,225,208,.2),transparent 70%);
}
.cta-band-inner{position:relative;z-index:2}
.cta-band h2{font-size:21px;font-weight:900;margin-bottom:10px}
.cta-band p{margin:0 0 20px;font-size:14px;line-height:1.9;color:#c6cbe4;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 侧栏 */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-sm);
}
.side-card h3{font-size:14px;font-weight:800;color:var(--ink-2);margin-bottom:14px;letter-spacing:.3px}
.toc-list a{
  display:flex;align-items:center;gap:9px;padding:9px 0;font-size:13.5px;color:var(--muted);
  border-bottom:1px dashed var(--line);transition:color .2s ease,padding-left .2s ease;
}
.toc-list a:last-child{border-bottom:0;padding-bottom:0}
.toc-list a:hover{color:#b77900;padding-left:4px}
.toc-list i{width:6px;height:6px;border-radius:50%;background:var(--gold);flex:0 0 auto}
.side-stat{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px;color:var(--muted)}
.side-stat:last-child{border-bottom:0;padding-bottom:0}
.side-stat b{font-size:16px;font-weight:900;color:#c98a00}
.side-note{font-size:12.5px;line-height:1.9;color:var(--muted);margin:0}
.side-card.dark{background:linear-gradient(160deg,#1a1f3d,#12162f);border-color:rgba(255,180,0,.3);color:#fff}
.side-card.dark h3{color:#fff}
.side-card.dark .side-note{color:#a9b0d0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#c3c9e4;padding:54px 0 0;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:36px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;letter-spacing:.3px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:13px}
.footer-about{margin:0;font-size:13.5px;line-height:1.95;color:#98a0c2;max-width:380px}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.5px}
.footer-col ul{margin:0;padding:0;list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#98a0c2;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.footer-note{margin:0;font-size:12.5px;line-height:1.95;color:#8b93b5}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0 26px;font-size:12.5px;color:#7f87a9;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout-grid{grid-template-columns:minmax(0,1fr) 290px;gap:26px}
  .article-head{grid-template-columns:1fr;gap:28px}
  .article-cover img{height:250px}
  .quick-cards{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;row-gap:28px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-cta{display:none}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:#101532;border-bottom:1px solid rgba(255,180,0,.22);
    padding:10px 14px 16px;box-shadow:0 18px 30px rgba(0,0,0,.45);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:9px;font-size:15px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(255,180,0,.12)}
  .layout-grid{grid-template-columns:minmax(0,1fr)}
  .article-main{max-width:none}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
}
@media (max-width:768px){
  .article-hero{padding:26px 0 40px}
  .article-body-section{padding:36px 0 48px}
  .prose-panel,.panel{padding:22px 20px;border-radius:16px}
  .quick-cards{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
  .related-list{grid-template-columns:1fr}
  .cta-band{padding:26px 22px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
  .footer-about{max-width:none}
}
@media (max-width:520px){
  .nav-wrap{height:62px;padding:0 14px}
  .nav-links{top:62px}
  .brand-text{font-size:13.5px}
  .brand-text small{display:none}
  .brand-mark{width:32px;height:32px;font-size:13px;border-radius:9px}
  .article-head h1{font-size:23px}
  .article-dek{font-size:14px}
  .article-cover img{height:196px}
  .cms-content{font-size:15px}
  .cms-content h2{font-size:19px}
  .panel-head h2{font-size:17.5px}
  .metric b{font-size:21px}
  .btn{padding:12px 22px;font-size:14px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .article-side{flex-direction:column}
}

/* roulang page: category1 */
:root{
 --ink:#0d1129;
 --ink-2:#1a1f3d;
 --ink-3:#252c56;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#38e1d0;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1b1f33;
 --muted:#6b7391;
 --line:#e6e9f4;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(20,26,60,.06);
 --shadow:0 12px 32px rgba(20,26,60,.11);
 --container:1180px;
}
html{scroll-behavior:smooth}
html body{
 margin:0;padding: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:1.75;
 -webkit-font-smoothing:antialiased;
 text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
input{font:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(13,17,41,.93);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 6px 26px rgba(6,9,24,.35);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-2),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:14px;
 box-shadow:0 0 18px rgba(255,180,0,.45);
}
.brand-text{white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#8f97bd;letter-spacing:1.6px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
 position:relative;display:inline-block;color:#c3c9e4;font-size:14.5px;font-weight:500;
 padding:10px 15px;border-radius:9px;
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-links a.active{color:var(--gold);font-weight:700}
.nav-links a.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
 background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#20160a;font-weight:800;font-size:14px;
 box-shadow:0 6px 20px rgba(255,180,0,.34);
 transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,180,0,.5)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.2);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:999px;font-weight:700;font-size:15px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(56,225,208,.75);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;box-shadow:0 8px 24px rgba(255,180,0,.36)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,180,0,.5)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:0 8px 22px rgba(26,31,61,.28)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}
/* ---------- 分类页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:60px 0 54px}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;filter:saturate(1.1)}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(760px 360px at 10% 8%,rgba(255,180,0,.22),transparent 62%),
 radial-gradient(680px 320px at 90% 82%,rgba(56,225,208,.16),transparent 65%),
 linear-gradient(180deg,rgba(13,17,41,.76),rgba(13,17,41,.97));
}
.page-hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.45fr .85fr;gap:44px;align-items:start;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:1px;
 color:var(--gold);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.36);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);display:inline-block}
.page-hero h1{
 margin:20px 0 0;font-size:clamp(27px,3.5vw,42px);line-height:1.3;font-weight:900;letter-spacing:-.5px;
 text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.page-hero h1 em{font-style:normal;color:var(--gold)}
.hero-lead{margin:18px 0 0;font-size:15.5px;line-height:1.95;color:#c6cbe4;max-width:640px}
.search-bar{
 margin-top:26px;display:flex;align-items:center;gap:10px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
 padding:8px;border-radius:999px;max-width:600px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.search-bar:focus-within{border-color:rgba(255,180,0,.6);box-shadow:0 0 0 4px rgba(255,180,0,.14)}
.search-bar input{
 flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;
 padding:10px 16px;font-size:14.5px;
}
.search-bar input::placeholder{color:#8f97bd}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#c9cfe8;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.tag:hover{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.45)}
.tag-solid{color:#20160a;background:linear-gradient(135deg,var(--gold-2),var(--gold));border-color:transparent}
.hero-panel{
 background:rgba(20,25,58,.84);border:1px solid rgba(255,180,0,.28);
 border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(10px);
 box-shadow:0 20px 48px rgba(0,0,0,.4);
}
.hero-panel h2{margin:0 0 4px;font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.hero-panel .panel-sub{margin:0 0 16px;font-size:12.5px;color:#8f97bd}
.rate-list{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:rgba(255,255,255,.08);border-radius:10px;overflow:hidden}
.rate-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;background:rgba(16,21,48,.92);font-size:13.5px}
.rate-list li span{color:#a9b1d2}
.rate-list li b{color:var(--cyan);font-weight:800;letter-spacing:.4px}
.rate-total{margin-top:16px;padding:14px;border-radius:10px;background:rgba(255,180,0,.1);border:1px dashed rgba(255,180,0,.4);text-align:center}
.rate-total b{display:block;font-size:26px;font-weight:900;color:var(--gold);line-height:1.2;letter-spacing:-.5px}
.rate-total span{font-size:12px;color:#9aa2c6}
/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.dark{background:var(--ink-2);color:#e8ebf7}
.section-head{max-width:760px}
.section-head.center{margin:0 auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#a66500;
 padding:4px 12px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.35);
}
.section.dark .eyebrow{color:var(--gold);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.32)}
.section-title{margin:14px 0 0;font-size:clamp(21px,2.4vw,29px);line-height:1.4;font-weight:900;letter-spacing:-.3px}
.section-desc{margin:12px 0 0;font-size:14.5px;line-height:1.95;color:var(--muted);max-width:720px}
.section.dark .section-desc{color:#a9b1d2}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}
/* ---------- 卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);padding:24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.4)}
.card h3{margin:0 0 8px;font-size:16.5px;font-weight:800;line-height:1.5}
.card p{margin:0;font-size:14px;line-height:1.9;color:var(--muted)}
.card-num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:linear-gradient(135deg,var(--ink-3),var(--ink-2));color:var(--gold);
 font-weight:900;font-size:13px;margin-bottom:14px;letter-spacing:.5px;
}
.section.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.section.dark .card:hover{border-color:rgba(255,180,0,.45);background:rgba(255,255,255,.08)}
.section.dark .card p{color:#a9b1d2}
.section.dark .card h3{color:#fff}
/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px;counter-reset:flow}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow-sm)}
.flow-step::before{
 content:attr(data-step);position:absolute;top:-14px;left:22px;
 display:grid;place-items:center;width:34px;height:28px;border-radius:8px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;font-weight:900;font-size:13px;
 box-shadow:0 6px 16px rgba(255,180,0,.35);
}
.flow-step h3{margin:10px 0 8px;font-size:16px;font-weight:800}
.flow-step p{margin:0;font-size:13.5px;line-height:1.85;color:var(--muted)}
.flow-note{margin-top:22px;padding:16px 20px;border-radius:var(--radius);background:rgba(56,225,208,.08);border-left:3px solid var(--cyan);font-size:13.5px;line-height:1.85;color:#2f4a58}
/* ---------- 图文 ---------- */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;margin-top:34px}
.split-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.split-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
 background:linear-gradient(180deg,transparent,rgba(13,17,41,.88));
 color:#fff;font-size:13px;font-weight:600;
}
.rule-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:14px}
.rule-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.9;color:#3c4360}
.rule-list li::before{
 content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 box-shadow:0 0 0 3px rgba(255,180,0,.16);
}
.rule-list li b{color:var(--ink-2)}
/* ---------- 道具卡 ---------- */
.item-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.item-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.item-icon{
 flex:0 0 auto;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,209,102,.35),rgba(255,180,0,.18));
 border:1px solid rgba(255,180,0,.35);font-size:20px;
}
.item-card h3{margin:0 0 6px;font-size:15.5px;font-weight:800}
.item-card p{margin:0;font-size:13.5px;line-height:1.85;color:var(--muted)}
.item-card .tag{margin-top:10px;color:#7a5a00;background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.32)}
/* ---------- 阶段卡 ---------- */
.stage-card{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.stage-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.stage-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.stage-body{padding:20px 22px 24px}
.stage-body h3{margin:0 0 8px;font-size:16.5px;font-weight:800}
.stage-body p{margin:0;font-size:13.8px;line-height:1.9;color:var(--muted)}
.stage-badge{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:800;letter-spacing:1px;color:#a66500;background:rgba(255,180,0,.14);padding:3px 10px;border-radius:6px}
/* ---------- 案例 ---------- */
.case-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05)}
.case-media{position:relative;min-height:280px}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 40%,rgba(26,31,61,.9))}
.case-body{padding:32px 30px;display:flex;flex-direction:column;justify-content:center}
.case-body h3{margin:0 0 12px;font-size:20px;font-weight:900;color:#fff}
.case-body p{margin:0;font-size:14px;line-height:1.95;color:#a9b1d2}
.case-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
.case-stat{padding:14px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14)}
.case-stat b{display:block;font-size:21px;font-weight:900;color:var(--gold);line-height:1.25}
.case-stat span{font-size:12px;color:#9aa2c6}
/* ---------- 评价 ---------- */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;transition:transform .2s ease,box-shadow .2s ease}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote-card p{margin:0;font-size:14px;line-height:1.95;color:#3c4360}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.quote-avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--ink-3),var(--ink-2));color:var(--gold);font-weight:800;font-size:14px}
.quote-user b{display:block;font-size:13.5px;font-weight:800}
.quote-user span{font-size:12px;color:var(--muted)}
/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:26px;margin-top:34px}
.news-list{display:grid;gap:16px}
.news-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45)}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.news-meta .tag{color:#7a5a00;background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.32)}
.news-date{font-size:12.5px;color:var(--muted)}
.news-card h3{margin:0 0 8px;font-size:16.5px;font-weight:800;line-height:1.6}
.news-card p{margin:0;font-size:13.8px;line-height:1.9;color:var(--muted)}
.news-more{display:inline-block;margin-top:12px;font-size:13px;font-weight:800;color:#a66500}
.news-empty{padding:28px;border-radius:var(--radius);border:1px dashed var(--line);background:#fff;color:var(--muted);font-size:14px}
.catalog-card{background:linear-gradient(160deg,var(--ink-2),var(--ink));border-radius:var(--radius-lg);padding:26px;color:#fff;box-shadow:var(--shadow);height:fit-content}
.catalog-card h3{margin:0 0 6px;font-size:16.5px;font-weight:900}
.catalog-card .catalog-sub{margin:0 0 16px;font-size:12.5px;color:#8f97bd}
.catalog-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.catalog-list a{
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 padding:11px 14px;border-radius:9px;font-size:13.5px;color:#c3c9e4;
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
 transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.catalog-list a:hover{background:rgba(255,180,0,.14);color:var(--gold);border-color:rgba(255,180,0,.4)}
.catalog-list a span{color:#7d85ab;font-size:12px}
/* ---------- FAQ ---------- */
.faq-list{margin-top:34px;display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:800;color:var(--ink-2);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 auto;display:grid;place-items:center;width:26px;height:26px;border-radius:8px;
 background:rgba(255,180,0,.14);color:#a66500;font-weight:900;font-size:16px;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-item .faq-answer{padding:0 22px 20px;font-size:14px;line-height:1.95;color:var(--muted)}
/* ---------- 收口 CTA ---------- */
.cta-band{
 margin-top:44px;border-radius:var(--radius-lg);padding:38px 34px;position:relative;overflow:hidden;
 background:linear-gradient(125deg,var(--ink-2),#2a2158 60%,#3a2a5e);color:#fff;
 box-shadow:0 20px 48px rgba(26,31,61,.32);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.35),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap}
.cta-inner h2{margin:0;font-size:clamp(19px,2.2vw,25px);font-weight:900;line-height:1.45}
.cta-inner p{margin:8px 0 0;font-size:14px;color:#b9c0dd;max-width:560px;line-height:1.9}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#c3c9e4;padding:56px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px}
.footer-about{font-size:13.5px;line-height:1.9;color:#9099bd;margin:14px 0 0}
.footer-col h3{color:#fff;font-size:14px;margin:0 0 14px;font-weight:800}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#a4abcc;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-note{font-size:12.5px;line-height:1.85;color:#8b93b8;margin:0}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:20px 0 26px;font-size:12.5px;color:#7d85ab}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .page-hero-inner{grid-template-columns:1fr;gap:32px}
 .hero-panel{max-width:560px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .flow{grid-template-columns:repeat(2,1fr);gap:24px}
 .split{grid-template-columns:1fr;gap:28px}
 .case-wrap{grid-template-columns:1fr}
 .case-media{min-height:220px}
 .case-media::after{background:linear-gradient(180deg,transparent 40%,rgba(26,31,61,.9))}
 .news-layout{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
 .nav-wrap{height:64px}
 .nav-toggle{display:inline-flex}
 .nav-links{
  display:none;position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#0d1129;border-bottom:1px solid rgba(255,180,0,.24);
  padding:14px 20px 20px;box-shadow:0 18px 34px rgba(4,7,20,.5);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px}
 .nav-links a.active::after{left:14px;right:auto;width:22px}
 .nav-cta{display:none}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .page-hero{padding:44px 0 42px}
 .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;margin-top:26px}
 .flow{grid-template-columns:1fr;gap:26px;margin-top:30px}
 .hero-stats{grid-template-columns:repeat(2,1fr)}
 .cta-band{padding:30px 24px}
 .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .brand{font-size:14.5px}
 .brand-mark{width:32px;height:32px;border-radius:9px;font-size:12.5px}
 .brand-text small{font-size:10px;letter-spacing:1.2px}
 .search-bar{flex-direction:column;align-items:stretch;border-radius:16px;padding:10px}
 .search-bar input{padding:10px 12px}
 .search-bar .btn{width:100%}
 .case-stats{grid-template-columns:1fr}
 .faq-item summary{font-size:14.5px;padding:16px 18px}
 .faq-item .faq-answer{padding:0 18px 18px}
 .btn{width:100%}
 .cta-actions{width:100%}
 .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
 --ink:#0d1129;
 --ink-2:#1a1f3d;
 --ink-3:#252c56;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#38e1d0;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1b1f33;
 --muted:#6b7391;
 --line:#e6e9f4;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(20,26,60,.06);
 --shadow:0 12px 32px rgba(20,26,60,.11);
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
 margin:0;padding: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:1.75;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(13,17,41,.93);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 6px 26px rgba(6,9,24,.35);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-2),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:14px;
 box-shadow:0 0 18px rgba(255,180,0,.45);
}
.brand-text{white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#8f97bd;letter-spacing:1.6px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
 position:relative;display:inline-block;color:#c3c9e4;font-size:14.5px;font-weight:500;
 padding:10px 15px;border-radius:9px;
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-links a.active{color:var(--gold);font-weight:700}
.nav-links a.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
 background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#20160a;font-weight:800;font-size:14px;
 box-shadow:0 6px 20px rgba(255,180,0,.34);
 transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,180,0,.5)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.2);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:999px;font-weight:700;font-size:15px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(56,225,208,.75);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;box-shadow:0 8px 24px rgba(255,180,0,.36)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,180,0,.5)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:0 8px 22px rgba(26,31,61,.28)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}

/* ---------- Hero（斜切色块） ---------- */
.cate-hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:74px 0 80px}
.cate-hero .hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 opacity:.3;filter:saturate(1.15);
}
.cate-hero .hero-slash{
 position:absolute;right:-14%;top:-28%;width:92%;height:180%;
 background:linear-gradient(135deg,rgba(255,180,0,.26),rgba(56,225,208,.14) 58%,rgba(13,17,41,0) 82%);
 clip-path:polygon(26% 0,100% 0,100% 100%,0 72%);
 pointer-events:none;
}
.cate-hero .hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(760px 340px at 8% 8%,rgba(255,180,0,.2),transparent 62%),
 linear-gradient(180deg,rgba(13,17,41,.7),rgba(13,17,41,.96));
}
.cate-hero .hero-inner{
 position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 20px;
 display:grid;grid-template-columns:1.3fr .82fr;gap:46px;align-items:start;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:1px;
 color:var(--gold);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.36);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);display:inline-block}
.cate-hero h1{
 margin:20px 0 0;font-size:clamp(27px,3.6vw,43px);line-height:1.28;font-weight:900;letter-spacing:-.5px;
 text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.cate-hero h1 em{font-style:normal;color:var(--gold)}
.hero-lead{margin:18px 0 0;font-size:15.5px;line-height:1.95;color:#c6cbe4;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;max-width:660px}
.hero-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:14px 10px;text-align:center}
.hero-stat b{display:block;font-size:21px;font-weight:900;color:var(--gold);line-height:1.25;letter-spacing:-.5px}
.hero-stat span{font-size:12px;color:#9aa2c6;letter-spacing:.4px}
.hero-panel{
 background:rgba(20,25,58,.82);border:1px solid rgba(255,180,0,.28);
 border-radius:var(--radius-lg);padding:24px;
 box-shadow:0 20px 48px rgba(0,0,0,.4);backdrop-filter:blur(10px);
}
.hero-panel h2{margin:0 0 4px;font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.hero-panel .panel-sub{margin:0 0 18px;font-size:12.5px;color:#8f97bd}
.panel-list li{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:13.5px;color:#c8cde5}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-list li i{
 flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
 font-style:normal;font-size:11px;font-weight:800;color:#20160a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));margin-top:2px;
}
.panel-list b{color:#fff;font-weight:700}

/* ---------- 板块通用 ---------- */
.section{padding:76px 0}
.section--white{background:#fff}
.section--ink{background:var(--ink);color:#fff}
.section--soft{background:linear-gradient(180deg,#eef1f9,#f4f6fb)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;margin-bottom:38px}
.sec-head--stack{display:block;margin-bottom:34px}
.sec-kicker{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2px;color:#c98a00;
 padding:4px 12px;border-radius:999px;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);
 margin-bottom:14px;
}
.section--ink .sec-kicker{color:var(--gold);background:rgba(255,180,0,.14)}
.sec-title{margin:0;font-size:clamp(21px,2.4vw,29px);font-weight:900;letter-spacing:-.4px;line-height:1.35}
.section--ink .sec-title{color:#fff}
.sec-desc{margin:10px 0 0;font-size:14.5px;color:var(--muted);max-width:720px}
.section--ink .sec-desc{color:#a7aecb}
.sec-aside{flex:0 0 auto;font-size:13px;color:var(--muted)}

/* ---------- 卡片 ---------- */
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4daf0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* 关卡梯度卡 */
.stage-card{position:relative;overflow:hidden;padding:24px 22px 22px}
.stage-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--gold-2),var(--gold))}
.stage-card .stage-no{font-size:12px;font-weight:800;letter-spacing:1.6px;color:#b9bfd8}
.stage-card h3{margin:6px 0 10px;font-size:17.5px;font-weight:800;letter-spacing:-.2px}
.stage-card p{font-size:13.5px;color:var(--muted);line-height:1.85}
.stage-flag{
 display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;
 font-size:11.5px;font-weight:800;letter-spacing:.6px;padding:4px 10px;border-radius:999px;
 color:#8a5f00;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.34);
}
.stage-points{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.stage-points li{position:relative;padding-left:16px;font-size:13px;color:#4a5170;line-height:1.8}
.stage-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--gold)}

/* 原则列表（深色板块） */
.rule-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.rule-list{display:flex;flex-direction:column;gap:16px}
.rule-item{
 display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.rule-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42);transform:translateX(4px)}
.rule-item .idx{
 flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 font-weight:900;font-size:14px;color:#20160a;background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
.rule-item h3{margin:0 0 6px;font-size:15.5px;font-weight:800;color:#fff}
.rule-item p{font-size:13.5px;color:#a9b0cd;line-height:1.85}
.rule-highlight{
 margin-top:26px;padding:20px 22px;border-radius:var(--radius);
 background:linear-gradient(135deg,rgba(56,225,208,.14),rgba(255,180,0,.12));
 border:1px solid rgba(56,225,208,.28);
}
.rule-highlight strong{color:var(--gold-2);font-size:14.5px;display:block;margin-bottom:6px}
.rule-highlight span{font-size:13px;color:#b7bdd8;line-height:1.85}

/* 推进节奏步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.step{
 position:relative;padding:26px 20px 22px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step .step-num{
 font-size:30px;font-weight:900;line-height:1;color:transparent;
 -webkit-text-stroke:1.4px rgba(255,180,0,.85);letter-spacing:-1px;
}
.step h3{margin:12px 0 8px;font-size:16px;font-weight:800}
.step p{font-size:13px;color:var(--muted);line-height:1.85}
.step .tiny-tag{
 display:inline-block;margin-top:14px;font-size:11.5px;font-weight:700;
 padding:3px 10px;border-radius:999px;color:#1f5f59;background:rgba(56,225,208,.16);
 border:1px solid rgba(56,225,208,.34);
}

/* 图文板块 */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.media-row.reverse .media-figure{order:2}
.media-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.media-figure .fig-cap{
 position:absolute;left:0;right:0;bottom:0;padding:22px 20px 16px;
 background:linear-gradient(180deg,rgba(13,17,41,0),rgba(13,17,41,.86));
 color:#fff;font-size:12.5px;letter-spacing:.4px;
}
.media-body h2{margin:0 0 14px;font-size:clamp(20px,2.2vw,26px);font-weight:900;letter-spacing:-.4px;line-height:1.4}
.media-body p{font-size:14.5px;color:var(--muted);line-height:1.95;margin-bottom:14px}
.media-body .scene-list li{
 display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13.8px;color:#3c4360;
}
.media-body .scene-list li:last-child{border-bottom:0}
.media-body .scene-list b{flex:0 0 auto;color:#0d1129;font-weight:800;min-width:96px}

/* 卡点列表 */
.pitfall-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:start}
.pitfall-list{counter-reset:pf;display:flex;flex-direction:column;gap:14px}
.pitfall-list li{
 counter-increment:pf;position:relative;padding:18px 22px 18px 62px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);transition:border-color .2s ease,transform .2s ease;
}
.pitfall-list li:hover{border-color:rgba(255,180,0,.6);transform:translateX(4px)}
.pitfall-list li::before{
 content:counter(pf,decimal-leading-zero);
 position:absolute;left:20px;top:18px;font-weight:900;font-size:14px;color:#8a5f00;
 background:rgba(255,180,0,.18);border:1px solid rgba(255,180,0,.34);
 width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
}
.pitfall-list h3{margin:0 0 5px;font-size:15px;font-weight:800}
.pitfall-list p{font-size:13.3px;color:var(--muted);line-height:1.8}
.side-note{
 background:linear-gradient(160deg,var(--ink-2),var(--ink));
 color:#fff;border-radius:var(--radius-lg);padding:26px 24px;
 box-shadow:0 16px 40px rgba(13,17,41,.3);
}
.side-note h3{margin:0 0 12px;font-size:15.5px;font-weight:800;color:var(--gold-2)}
.side-note p{font-size:13.2px;color:#b4bbd6;line-height:1.9}
.side-note .dot-list{margin-top:16px}
.side-note .dot-list li{position:relative;padding-left:16px;font-size:13px;color:#cdd2e8;line-height:1.85;margin-bottom:8px}
.side-note .dot-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(56,225,208,.9)}

/* 复盘引用 */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
 background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote-card p{font-size:13.6px;color:#3f4664;line-height:1.9}
.quote-card .who{margin-top:14px;font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.quote-card .who b{color:var(--ink);font-weight:800}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.6);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:18px 56px 18px 22px;position:relative;
 font-size:15px;font-weight:800;color:var(--ink);line-height:1.65;
}
.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:8px;display:grid;place-items:center;
 font-size:16px;font-weight:700;color:#8a5f00;background:rgba(255,180,0,.18);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.95}

/* CTA 收口 */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:64px 0}
.cta-band .cta-slash{
 position:absolute;left:-10%;top:-40%;width:70%;height:200%;
 background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(56,225,208,.1) 60%,transparent 85%);
 clip-path:polygon(0 0,72% 0,100% 100%,0 100%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-inner h2{margin:0 0 8px;font-size:clamp(21px,2.4vw,28px);font-weight:900;letter-spacing:-.4px}
.cta-inner p{margin:0;font-size:14px;color:#b0b7d3;max-width:640px;line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{background:#0a0e22;color:#a7aecb;padding:58px 0 26px;border-top:1px solid rgba(255,180,0,.16)}
.footer-top{display:grid;grid-template-columns:1.5fr .7fr .7fr 1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-about{font-size:13.2px;line-height:1.9;color:#8f97bd;max-width:420px}
.footer-col h3{margin:0 0 14px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:13.2px;color:#9aa2c6;transition:color .18s ease}
.footer-col ul li a:hover{color:var(--gold)}
.footer-col ul li a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.footer-note{font-size:12.8px;line-height:1.9;color:#7f88ad}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:12.5px;color:#78819f;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cate-hero .hero-inner{grid-template-columns:1fr;gap:34px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .rule-layout{grid-template-columns:1fr;gap:30px}
 .media-row{grid-template-columns:1fr;gap:28px}
 .media-row.reverse .media-figure{order:0}
 .pitfall-layout{grid-template-columns:1fr}
 .quote-grid{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
 .nav-links a{padding:10px 11px;font-size:14px}
 .nav-cta{padding:9px 16px;font-size:13px}
}
@media (max-width:768px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-links{
  display:none;position:absolute;top:70px;left:0;right:0;
  background:rgba(13,17,41,.98);border-bottom:1px solid rgba(255,180,0,.24);
  padding:12px 16px 18px;flex-direction:column;align-items:stretch;gap:4px;
  box-shadow:0 18px 34px rgba(4,7,20,.5);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;border-radius:10px;font-size:15px}
 .nav-links a.active::after{left:14px;right:auto;width:22px;bottom:8px}
 .cate-hero{padding:52px 0 58px}
 .hero-stats{grid-template-columns:repeat(2,1fr)}
 .section{padding:56px 0}
 .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
 .grid-3,.grid-4{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .quote-grid{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
 .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
}
@media (max-width:520px){
 .brand-text{font-size:14.5px}
 .brand-text small{font-size:10px;letter-spacing:1.2px}
 .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
 .hero-stat b{font-size:18px}
 .hero-lead{font-size:14.5px}
 .btn{width:100%}
 .hero-actions{flex-direction:column;align-items:stretch}
 .media-body .scene-list li{flex-direction:column;gap:4px}
 .media-body .scene-list b{min-width:0}
}

/* roulang page: category3 */
:root{
 --ink:#0d1129;
 --ink-2:#1a1f3d;
 --ink-3:#252c56;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#38e1d0;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1b1f33;
 --muted:#6b7391;
 --line:#e6e9f4;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(20,26,60,.06);
 --shadow:0 12px 32px rgba(20,26,60,.11);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
 margin:0;padding: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:1.78;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
::selection{background:rgba(255,180,0,.35);color:#1a1f3d}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(13,17,41,.93);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(255,180,0,.2);
 box-shadow:0 6px 26px rgba(6,9,24,.35);
}
.nav-wrap{
 max-width:var(--container);margin:0 auto;padding:0 20px;
 height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:16.5px;letter-spacing:.4px}
.brand-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-2),#ff8a00);
 display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:14px;
 box-shadow:0 0 18px rgba(255,180,0,.45);
}
.brand-text{white-space:nowrap}
.brand-text small{display:block;font-size:11px;font-weight:500;color:#8f97bd;letter-spacing:1.6px;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
 position:relative;display:inline-block;color:#c3c9e4;font-size:14.5px;font-weight:500;
 padding:10px 15px;border-radius:9px;
 transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-links a.active{color:var(--gold);font-weight:700}
.nav-links a.active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
 background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.9);
}
.nav-cta{
 display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 color:#20160a;font-weight:800;font-size:14px;
 box-shadow:0 6px 20px rgba(255,180,0,.34);
 transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(255,180,0,.5)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:10px;
 border:1px solid rgba(255,255,255,.2);color:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 27px;border-radius:999px;font-weight:700;font-size:15px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease;
}
.btn:focus-visible{outline:3px solid rgba(56,225,208,.75);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#20160a;box-shadow:0 8px 24px rgba(255,180,0,.36)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,180,0,.5)}
.btn-ghost{background:rgba(255,255,255,.07);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{background:var(--ink-2);color:#fff;box-shadow:0 8px 22px rgba(26,31,61,.28)}
.btn-dark:hover{background:var(--ink-3);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:64px 0 58px}
.hero-bg{
 position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.34;filter:saturate(1.15);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(820px 380px at 12% 12%,rgba(255,180,0,.24),transparent 62%),
 radial-gradient(680px 340px at 88% 78%,rgba(56,225,208,.16),transparent 65%),
 linear-gradient(180deg,rgba(13,17,41,.74),rgba(13,17,41,.97));
}
.hero-inner{
 position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 20px;
 display:grid;grid-template-columns:1.4fr .82fr;gap:46px;align-items:start;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:1px;
 color:var(--gold);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.36);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);display:inline-block}
.hero h1{
 margin:20px 0 0;font-size:clamp(27px,3.6vw,42px);line-height:1.3;font-weight:900;letter-spacing:-.5px;
 text-shadow:0 4px 24px rgba(0,0,0,.35);
}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-lead{margin:18px 0 0;font-size:15.5px;line-height:1.95;color:#c6cbe4;max-width:640px}
.hero-points{margin:24px 0 0;display:grid;gap:11px;max-width:640px}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:#dfe3f5;line-height:1.7}
.hero-points li::before{
 content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;
 background:linear-gradient(135deg,var(--cyan),#1fa9a0);box-shadow:0 0 10px rgba(56,225,208,.7);transform:rotate(45deg);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-trust{
 margin-top:30px;display:flex;flex-wrap:wrap;gap:10px 22px;
 font-size:12.5px;color:#98a0c4;letter-spacing:.3px;
}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust span::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(255,180,0,.85)}
.hero-panel{
 background:rgba(20,25,58,.82);border:1px solid rgba(255,180,0,.28);
 border-radius:var(--radius-lg);padding:24px;
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
 box-shadow:0 20px 48px rgba(0,0,0,.4);
}
.hero-panel h2{margin:0 0 6px;font-size:16px;font-weight:800;color:#fff;letter-spacing:.5px}
.panel-sub{margin:0 0 18px;font-size:12.5px;color:#8f97bd}
.panel-list li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:13.5px;color:#d5daf0;
}
.panel-list li:last-child{border-bottom:0;padding-bottom:4px}
.panel-list b{color:var(--gold);font-weight:800;letter-spacing:.4px;white-space:nowrap;font-size:13px}
.panel-foot{margin:16px 0 0;font-size:11.5px;color:#7f88ad;line-height:1.7}

/* ---------- 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-head{max-width:780px;margin-bottom:38px}
.section-tag{
 display:inline-block;padding:5px 13px;border-radius:999px;
 font-size:12px;font-weight:800;letter-spacing:1.2px;
 color:#8a5b00;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.4);
}
.section-title{
 margin:14px 0 0;font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:900;color:var(--ink-2);letter-spacing:-.3px;
}
.section-desc{margin:14px 0 0;color:var(--muted);font-size:14.8px;line-height:1.95}

/* ---------- 图鉴总览卡片 ---------- */
.codex-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.codex-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.codex-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.5)}
.codex-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.codex-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.codex-card:hover .codex-thumb img{transform:scale(1.06)}
.codex-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,41,0) 40%,rgba(13,17,41,.55))}
.codex-body{padding:18px 18px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.codex-body h3{font-size:16.5px;font-weight:800;color:var(--ink-2);letter-spacing:.2px}
.codex-body p{font-size:13.8px;color:var(--muted);line-height:1.85;flex:1}
.chip{
 display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
 color:#0f5f59;background:rgba(56,225,208,.16);border:1px solid rgba(56,225,208,.45);
}

/* ---------- 分级清单 ---------- */
.tier-layout{display:grid;grid-template-columns:.9fr 1.35fr;gap:42px;align-items:start}
.tier-aside{
 background:linear-gradient(160deg,var(--ink-2),var(--ink-3));
 color:#fff;border-radius:var(--radius-lg);padding:28px 26px;
 box-shadow:0 18px 40px rgba(20,26,60,.22);
}
.tier-aside h3{font-size:18px;font-weight:900;letter-spacing:.3px;color:#fff}
.tier-aside p{margin-top:12px;font-size:14px;line-height:1.95;color:#bfc5e0}
.tier-aside .aside-note{
 margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18);
 font-size:12.5px;color:#8f97bd;line-height:1.8;
}
.tier-list{display:grid;gap:14px}
.tier-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 20px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tier-item:hover{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow);transform:translateX(3px)}
.tier-rank{
 flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
 font-weight:900;font-size:14px;letter-spacing:.5px;color:#20160a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
 box-shadow:0 6px 16px rgba(255,180,0,.3);
}
.tier-rank.t2{background:linear-gradient(135deg,#c8f5f1,#38e1d0);color:#0b3d39;box-shadow:0 6px 16px rgba(56,225,208,.28)}
.tier-rank.t3{background:linear-gradient(135deg,#e3e7f7,#b9c1de);color:#2b3154;box-shadow:0 6px 16px rgba(120,132,180,.22)}
.tier-text h4{font-size:15.5px;font-weight:800;color:var(--ink-2)}
.tier-text p{margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.85}

/* ---------- 组合叠加路线 ---------- */
.steps{display:grid;gap:0;max-width:900px}
.step{
 position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;
 padding:0 0 30px;
}
.step:last-child{padding-bottom:0}
.step::before{
 content:"";position:absolute;left:31px;top:56px;bottom:0;width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.75),rgba(56,225,208,.35));
}
.step:last-child::before{display:none}
.step-num{
 width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
 font-size:20px;font-weight:900;color:var(--gold);
 background:var(--ink-2);border:1px solid rgba(255,180,0,.4);
 box-shadow:0 10px 24px rgba(20,26,60,.2);
}
.step-body{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-sm);
}
.step-body h3{font-size:16.5px;font-weight:800;color:var(--ink-2)}
.step-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- 场景适配 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:22px}
.scene-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease;
 display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scene-body{padding:20px 22px 24px}
.scene-body h3{font-size:17px;font-weight:800;color:var(--ink-2)}
.scene-body p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.9}
.scene-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.scene-tags span{
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
 color:#7a5200;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);
}

/* ---------- 数值条 ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-box{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;text-align:center;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,border-color .2s ease;
}
.stat-box:hover{transform:translateY(-3px);border-color:rgba(56,225,208,.6)}
.stat-box b{display:block;font-size:30px;font-weight:900;letter-spacing:-1px;color:var(--ink-2);line-height:1.15}
.stat-box b i{font-style:normal;font-size:15px;font-weight:700;color:var(--gold);margin-left:2px}
.stat-box span{display:block;margin-top:8px;font-size:12.8px;color:var(--muted);letter-spacing:.3px}
.stats-note{margin-top:18px;font-size:12.8px;color:var(--muted)}

/* ---------- 误区 ---------- */
.note-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:center}
.note-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.note-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.note-list{display:grid;gap:14px}
.note-list li{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm);
}
.note-list .mark{
 flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 font-size:13px;font-weight:900;color:#7a5200;background:rgba(255,180,0,.18);
}
.note-list h4{font-size:15px;font-weight:800;color:var(--ink-2)}
.note-list p{margin-top:5px;font-size:13.8px;color:var(--muted);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 20px;
 font-size:15px;font-weight:800;color:var(--ink-2);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;
 display:grid;place-items:center;font-size:16px;font-weight:800;
 color:#7a5200;background:rgba(255,180,0,.18);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item summary:focus-visible{outline:3px solid rgba(56,225,208,.7);outline-offset:-3px}
.faq-answer{padding:0 20px 20px;font-size:14px;color:var(--muted);line-height:1.95}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(135deg,var(--ink),var(--ink-3) 65%,#2f3a72);
 color:#fff;padding:48px 44px;
 box-shadow:0 22px 52px rgba(20,26,60,.28);
}
.cta-band::before{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-band::after{
 content:"";position:absolute;left:-60px;bottom:-120px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(56,225,208,.22),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:clamp(21px,2.5vw,28px);font-weight:900;line-height:1.4;letter-spacing:-.3px}
.cta-inner p{margin-top:12px;font-size:14.5px;color:#c3c9e4;line-height:1.9;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#c3c9e4;padding:58px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;letter-spacing:.3px}
.footer-about{margin-top:16px;font-size:13.5px;line-height:1.95;color:#98a0c4;max-width:340px}
.footer-col h3{font-size:14px;font-weight:800;color:#fff;letter-spacing:.6px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:#a8b0d0;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.footer-note{font-size:12.8px;line-height:1.9;color:#8f97bd}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:12.5px;color:#7f88ad;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px}
 .hero-panel{max-width:560px}
 .codex-grid{grid-template-columns:repeat(2,1fr)}
 .tier-layout{grid-template-columns:1fr;gap:28px}
 .note-layout{grid-template-columns:1fr;gap:28px}
 .stats-row{grid-template-columns:repeat(2,1fr)}
 .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:960px){
 .nav-toggle{display:flex}
 .nav-cta{display:none}
 .nav-links{
  position:absolute;top:70px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#0d1129;border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,180,0,.24);
  padding:12px 16px 18px;display:none;
  box-shadow:0 18px 34px rgba(6,9,24,.5);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px;border-radius:9px;font-size:15px}
 .nav-links a.active::after{left:14px;right:auto;width:22px;bottom:6px}
}
@media (max-width:768px){
 .hero{padding:46px 0 44px}
 .hero-lead{font-size:14.8px}
 .section{padding:52px 0}
 .section-head{margin-bottom:28px}
 .faq-grid{grid-template-columns:1fr}
 .cta-band{padding:34px 24px}
 .cta-inner{gap:20px}
 .step{grid-template-columns:52px 1fr;gap:16px}
 .step-num{width:52px;height:52px;border-radius:14px;font-size:17px}
 .step::before{left:25px;top:46px}
 .brand-text small{display:none}
 .brand{font-size:15px}
}
@media (max-width:520px){
 .hero h1{font-size:26px}
 .codex-grid{grid-template-columns:1fr}
 .stats-row{grid-template-columns:1fr 1fr;gap:12px}
 .stat-box{padding:18px 12px}
 .stat-box b{font-size:24px}
 .footer-top{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .btn{padding:12px 22px;font-size:14px}
 .hero-actions{gap:10px}
 .tier-item{padding:15px 16px;gap:12px}
 .tier-rank{width:40px;height:40px;font-size:12.5px}
}