/* roulang page: index */
:root{
  --brand:#3b4ce4;
  --brand-2:#6b4cf0;
  --brand-deep:#2833b0;
  --brand-soft:#eef0ff;
  --accent:#0fb9a4;
  --accent-soft:#e4faf6;
  --ink:#12162e;
  --ink-2:#2c3155;
  --muted:#6b7192;
  --bg:#f6f7fc;
  --bg-alt:#eef1fb;
  --card:#ffffff;
  --line:#e3e7f4;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow-xs:0 1px 3px rgba(18,22,46,.05);
  --shadow-sm:0 6px 18px rgba(18,22,46,.06);
  --shadow:0 14px 36px rgba(18,22,46,.09);
  --shadow-lg:0 24px 56px rgba(18,22,46,.16);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:15.5px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:700;line-height:1.3;margin:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
section[id]{scroll-margin-top:88px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(227,231,244,.9);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(18,22,46,.09);background:rgba(255,255,255,.96)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  color:#fff;font-size:18px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  box-shadow:0 9px 20px rgba(59,76,228,.32);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;line-height:1}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  display:inline-block;position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 2px;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-ctas{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;line-height:1.4}
.btn-brand{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:13px 26px;box-shadow:0 12px 26px rgba(59,76,228,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(59,76,228,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#ccd3ee;color:var(--ink-2);padding:13px 26px}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand-sm{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.btn-brand-sm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(59,76,228,.34)}
.btn-line-sm{background:transparent;border-color:#d5dbf0;color:var(--ink-2);padding:10px 18px;font-size:14px}
.btn-line-sm:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ---------- 通用区块 ---------- */
.section{padding:86px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-dark{
  background:radial-gradient(circle at 18% 0%,#2a3488 0%,#151a3f 52%,#0e1230 100%);
  color:#c6cbea;
}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .section-sub{color:#a2a9d4}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-soft);
  padding:7px 15px;border-radius:999px;
}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:#b9c0ee}
.section-head{max-width:730px;margin-bottom:44px}
.section-title{font-size:31px;margin:16px 0 14px;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:15.5px}
.section-dark .section-sub{color:#a2a9d4}
.lead{font-size:16.5px;color:var(--ink-2)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:78px 0 88px;background:linear-gradient(180deg,#f9faff 0%,#edf0ff 58%,#f6f7fc 100%)}
.hero-media{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.15;filter:saturate(1.15)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(96px);pointer-events:none}
.hero-glow.g1{width:560px;height:560px;left:-140px;top:-190px;background:rgba(107,76,240,.30)}
.hero-glow.g2{width:520px;height:520px;right:-120px;top:-60px;background:rgba(15,185,164,.24)}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center}
.hero h1{font-size:42px;line-height:1.24;letter-spacing:-.02em;margin:18px 0 20px}
.hero h1 .hl{background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16px;color:#454b73;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.82);border:1px solid #dfe3f5;
  color:#3b4268;font-size:13.5px;font-weight:500;
  padding:8px 15px;border-radius:999px;box-shadow:var(--shadow-xs);
}
.chip i{color:var(--accent)}
.hero-panel{
  position:relative;
  background:rgba(255,255,255,.9);
  border:1px solid rgba(223,227,245,.95);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:28px 26px 24px;
  backdrop-filter:blur(8px);
}
.hero-panel::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(107,76,240,.08),rgba(15,185,164,.06));
  pointer-events:none;
}
.hero-panel-title{position:relative;font-size:15px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:9px;margin-bottom:18px}
.hero-panel-title i{color:var(--brand)}
.hero-points{position:relative;display:grid;gap:14px}
.hero-point{display:flex;gap:13px;align-items:flex-start}
.hero-point .no{
  flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);border:1px solid #dfe3fb;
}
.hero-point strong{display:block;font-size:14.5px;color:var(--ink);font-weight:700;line-height:1.5}
.hero-point span{display:block;font-size:13.5px;color:var(--muted);line-height:1.6}
.hero-figure{position:relative;margin-top:20px;border-radius:var(--radius);overflow:hidden;border:1px solid #e6e9f7}
.hero-figure img{width:100%;height:132px;object-fit:cover}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:8px 14px;font-size:12.5px;color:#fff;
  background:linear-gradient(180deg,rgba(12,16,40,0),rgba(12,16,40,.78));
}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:24px 20px;
  transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.metric:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.metric .num{font-size:32px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.02em}
.metric .num em{font-style:normal;font-size:16px;font-weight:600;color:var(--accent);margin-left:4px}
.metric .label{display:block;margin-top:10px;font-size:14px;font-weight:600;color:#dfe3ff}
.metric .note{display:block;margin-top:4px;font-size:12.5px;color:#9aa2d0;line-height:1.6}

/* ---------- 卡片 ---------- */
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.panel:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.panel-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:19px;color:var(--brand);background:var(--brand-soft);margin-bottom:16px;
}
.panel h3{font-size:17px;margin-bottom:10px}
.panel p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.tag{
  display:inline-block;font-size:12.5px;font-weight:500;color:#4a5178;
  background:#f0f2fb;border:1px solid #e4e8f6;border-radius:999px;
  padding:4px 11px;margin:0 6px 6px 0;
}
.tag-accent{color:#0c7f70;background:var(--accent-soft);border-color:#c8f0e9}

/* ---------- 场景 ---------- */
.scene-list{display:grid;gap:20px}
.scene{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.scene img{width:100%;height:158px;object-fit:cover;border-radius:var(--radius)}
.scene h3{font-size:18px;margin-bottom:10px}
.scene p{color:var(--muted);font-size:14.5px;margin-bottom:12px}
.scene .meta{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 分类入口 ---------- */
.wall-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.wall-card{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px 26px;box-shadow:var(--shadow-xs);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.wall-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c6cff4}
.wall-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle,rgba(107,76,240,.16),rgba(107,76,240,0) 70%);
}
.wall-card .wall-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:21px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 22px rgba(59,76,228,.28);margin-bottom:18px;
}
.wall-card h3{font-size:19px;margin-bottom:10px}
.wall-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.wall-card .tags{margin-bottom:22px}
.wall-link{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--brand)}
.wall-link i{transition:transform .2s ease}
.wall-card:hover .wall-link i{transform:translateX(4px)}

/* ---------- 资质墙 ---------- */
.cred-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(120deg,#ffffff 0%,#f4f6ff 100%);
  padding:34px 32px;box-shadow:var(--shadow-sm);
}
.cred-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;opacity:.07;
}
.cred-inner{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.cred-item{display:flex;gap:13px;align-items:flex-start}
.cred-item i{font-size:20px;color:var(--accent);margin-top:3px}
.cred-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.cred-item span{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow}
.flow-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 22px 24px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.flow-card .step{
  position:absolute;top:-16px;left:22px;
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 18px rgba(59,76,228,.28);
}
.flow-card h3{font-size:16px;margin:8px 0 9px}
.flow-card p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  border-radius:var(--radius-lg);padding:30px 28px;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow-xs);
}
.compare-col h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.compare-col ul{display:grid;gap:13px}
.compare-col li{display:flex;gap:11px;font-size:14.5px;color:#4b527a;line-height:1.7}
.compare-col li i{margin-top:3px;font-size:15px}
.compare-col.muted-col{background:#fbfbff}
.compare-col.muted-col i{color:#a3a9c9}
.compare-col.good-col{background:linear-gradient(160deg,#ffffff,#f2f4ff);border-color:#d6dcf7}
.compare-col.good-col i{color:var(--accent)}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-xs);position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.voice .quote{font-size:14.5px;color:#454b73;line-height:1.8;margin-bottom:18px}
.voice .who{display:flex;align-items:center;gap:11px}
.voice .avatar{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:var(--brand);background:var(--brand-soft);
}
.voice .who strong{display:block;font-size:14px;color:var(--ink)}
.voice .who span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:22px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(15,185,164,.4))}
.timeline-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow-xs);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.timeline-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cdd5f5}
.timeline-item::before{
  content:"";position:absolute;left:-24px;top:26px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline-item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:6px}
.timeline-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 资讯 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:30px}
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow-xs);color:inherit;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cdd5f5;color:inherit}
.news-item img{width:100%;height:94px;object-fit:cover;border-radius:var(--radius-sm)}
.news-item h3{font-size:15.5px;line-height:1.5;margin:8px 0 6px;color:var(--ink)}
.news-item p{font-size:13.5px;color:var(--muted);margin:0 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-date{font-size:12.5px;color:#9aa0c0}
.news-item .tag{margin:0}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-xs)}
.side-box h3{font-size:17px;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.side-box h3 i{color:var(--accent)}
.side-list{display:grid;gap:14px}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;color:inherit;
  padding-bottom:14px;border-bottom:1px dashed #e6e9f6;
  transition:transform .2s ease;
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{transform:translateX(3px);color:inherit}
.side-list .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:8px;flex:none}
.side-list strong{display:block;font-size:14px;color:var(--ink);line-height:1.55;font-weight:600}
.side-list span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.empty-tip{
  background:#fff;border:1px dashed #d7dcf1;border-radius:var(--radius);
  padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}
.more-link{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--brand);margin-top:18px}
.more-link i{transition:transform .2s ease}
.more-link:hover i{transform:translateX(4px)}

/* ---------- 保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.guard{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:24px 20px;
  transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.guard:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3)}
.guard i{font-size:22px;color:var(--accent)}
.guard strong{display:block;margin:12px 0 6px;font-size:15px;color:#fff}
.guard span{font-size:13.5px;color:#a2a9d4;line-height:1.65}

/* ---------- 快速解答 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.qa{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-xs);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.qa:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.qa h3{font-size:16px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;line-height:1.55}
.qa h3 i{color:var(--brand);margin-top:3px}
.qa p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 表单 ---------- */
.ask-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;
  background:linear-gradient(135deg,#ffffff 0%,#f3f5ff 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 40px;box-shadow:var(--shadow);
}
.ask-wrap h2{font-size:28px;margin:14px 0 14px}
.ask-wrap p{color:var(--muted);font-size:15px}
.ask-points{display:grid;gap:12px;margin-top:22px}
.ask-points li{display:flex;gap:10px;font-size:14.5px;color:#4b527a}
.ask-points i{color:var(--accent);margin-top:3px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;font-family:inherit;font-size:14.5px;color:var(--ink-2);
  background:#fbfcff;border:1px solid #dfe3f3;border-radius:10px;
  padding:12px 14px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(59,76,228,.12);
}
.form-note{font-size:12.5px;color:#9298bb;margin-top:12px}
.form-msg{display:none;margin-top:14px;font-size:14px;font-weight:600;color:#0c7f70;background:var(--accent-soft);border:1px solid #c8f0e9;border-radius:10px;padding:11px 14px}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{
  background:radial-gradient(circle at 80% 0%,#232c74 0%,#131738 55%,#0d1029 100%);
  color:#a7aed6;padding:66px 0 0;
}
.footer-top{border-top:1px solid rgba(255,255,255,.1);padding-top:46px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:0 9px 20px rgba(0,0,0,.35)}
.footer-desc{font-size:14px;line-height:1.8;color:#9aa2cf;max-width:300px}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#a7aed6}
.footer-col a:hover{color:#fff}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.footer-meta span{
  font-size:12.5px;color:#b8c0e6;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:5px 12px;
}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8b93c0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:36px}
  .hero-inner{gap:40px}
  .wall-grid{gap:18px}
  .ask-wrap{padding:36px 28px;gap:32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:18px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 22px 40px rgba(18,22,46,.12);
    padding:20px 20px 24px;
    display:none;
  }
  .nav-menu.open{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px}
  .nav-links a{padding:12px 6px;font-size:15.5px;border-bottom:1px solid #f0f2fb;border-radius:0}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--brand);background:var(--brand-soft);border-radius:8px;padding-left:12px;border-bottom-color:transparent}
  .nav-ctas{flex-direction:column;align-items:stretch;gap:10px}
  .nav-ctas .btn{width:100%;padding:12px 18px}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px}
  .hero h1{font-size:33px}
  .hero-panel{max-width:560px}
  .metric-grid,.guard-grid,.cred-inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wall-grid,.voice-grid,.qa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .ask-wrap{grid-template-columns:minmax(0,1fr);padding:32px 24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:64px 0}
  .section-title{font-size:26px}
  .compare-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:767px){
  body{font-size:15px}
  .scene{grid-template-columns:minmax(0,1fr);gap:16px}
  .scene img{height:180px}
  .news-item{grid-template-columns:104px minmax(0,1fr);gap:14px}
  .news-item img{height:82px}
  .hero h1{font-size:29px}
  .section-title{font-size:23px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
}
@media (max-width:520px){
  .metric-grid,.guard-grid,.cred-inner,.wall-grid,.voice-grid,.qa-grid,.flow-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:26px}
  .hero-panel{padding:22px 18px}
  .section{padding:52px 0}
  .btn,.btn-brand,.btn-outline{width:100%}
  .nav-ctas .btn{width:100%}
  .chip{font-size:13px;padding:7px 13px}
  .news-item{grid-template-columns:minmax(0,1fr)}
  .news-item img{height:150px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
 --brand:#3b4ce4;
 --brand-2:#6b4cf0;
 --brand-deep:#2833b0;
 --brand-soft:#eef0ff;
 --accent:#0fb9a4;
 --accent-soft:#e4faf6;
 --ink:#12162e;
 --ink-2:#2c3155;
 --muted:#6b7192;
 --bg:#f6f7fc;
 --bg-alt:#eef1fb;
 --card:#ffffff;
 --line:#e3e7f4;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-xs:0 1px 3px rgba(18,22,46,.05);
 --shadow-sm:0 6px 18px rgba(18,22,46,.06);
 --shadow:0 14px 36px rgba(18,22,46,.09);
 --shadow-lg:0 24px 56px rgba(18,22,46,.16);
 --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:var(--font);
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.32;letter-spacing:-.01em}
p{margin:0 0 14px}
ul{list-style:none;margin:0;padding:0}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(59,76,228,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
section[id]{scroll-margin-top:96px}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.88);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(227,231,244,.9);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(18,22,46,.09);background:rgba(255,255,255,.96)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;position:relative}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 color:#fff;font-size:18px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 box-shadow:0 9px 20px rgba(59,76,228,.32);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;line-height:1}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{display:inline-block;position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 2px}
.nav-links a::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
 transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-ctas{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;align-items:center;gap:8px;
 background:#fff;border:1px solid var(--line);border-radius:10px;
 padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
 transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;line-height:1.4}
.btn-brand{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:13px 26px;box-shadow:0 12px 26px rgba(59,76,228,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(59,76,228,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#ccd3ee;color:var(--ink-2);padding:13px 26px}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand-sm{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.btn-brand-sm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(59,76,228,.34)}
.btn-line-sm{background:transparent;border-color:#d5dbf0;color:var(--ink-2);padding:10px 18px;font-size:14px}
.btn-line-sm:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-deep);padding:13px 26px;box-shadow:0 10px 24px rgba(10,14,48,.22)}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 16px 32px rgba(10,14,48,.3)}
/* ---------- 通用区块 ---------- */
.section{padding:76px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-dark{background:radial-gradient(circle at 18% 0%,#2a3488 0%,#151a3f 52%,#0e1230 100%);color:#c6cbea}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .section-sub{color:#a2a9d4}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:600;letter-spacing:.06em;
 color:var(--brand);background:var(--brand-soft);
 padding:7px 15px;border-radius:999px;
}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:#b9c0ee}
.section-head{max-width:740px;margin-bottom:40px}
.section-title{font-size:30px;margin:16px 0 14px}
.section-sub{color:var(--muted);font-size:15.5px}
.lead{font-size:16.5px;color:var(--ink-2)}
/* ---------- Hero ---------- */
.hero-cat{position:relative;overflow:hidden;padding:62px 0 74px;background:linear-gradient(180deg,#f9faff 0%,#edf0ff 58%,#f6f7fc 100%)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.13;filter:saturate(1.1)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(96px);pointer-events:none}
.hero-glow.g1{width:520px;height:520px;left:-150px;top:-190px;background:rgba(107,76,240,.28)}
.hero-glow.g2{width:480px;height:480px;right:-130px;top:-40px;background:rgba(15,185,164,.22)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:48px;align-items:center}
.hero-cat h1{font-size:40px;line-height:1.26;margin:18px 0 18px}
.hero-cat h1 .hl{background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16px;color:#454b73;max-width:580px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand-deep);background:#fff;border:1px solid #dfe4f7;border-radius:999px;padding:7px 15px;box-shadow:var(--shadow-xs)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 0}
/* 直播预告卡 */
.live-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.live-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9ecf8}
.live-cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.live-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,18,48,0) 42%,rgba(14,18,48,.72) 100%)}
.live-tag{position:absolute;left:14px;top:14px;z-index:2;display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:#fff;background:rgba(15,185,164,.94);padding:6px 13px;border-radius:999px;letter-spacing:.04em}
.live-tag .dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.live-title{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;color:#fff;font-size:16px;font-weight:700;line-height:1.5;margin:0}
.live-body{padding:20px 22px 24px}
.live-label{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-bottom:10px}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.cd-cell{background:var(--brand-soft);border-radius:var(--radius-sm);text-align:center;padding:10px 4px 8px}
.cd-num{display:block;font-size:22px;font-weight:800;color:var(--brand-deep);line-height:1.1;font-variant-numeric:tabular-nums}
.cd-unit{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.1em}
.remind-form{display:flex;gap:8px}
.remind-form input{
 flex:1 1 auto;min-width:0;padding:11px 13px;border:1px solid #d8ddef;border-radius:10px;
 font-size:14px;color:var(--ink-2);background:#fbfcff;transition:border-color .2s,box-shadow .2s;
}
.remind-form input::placeholder{color:#9ba2c1}
.remind-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(59,76,228,.14)}
.remind-form .btn{flex:0 0 auto;padding:11px 18px;font-size:14px}
.form-note{font-size:12.5px;color:var(--muted);margin:10px 0 0}
.form-msg{font-size:13px;font-weight:600;color:#0a8f7e;margin:8px 0 0;display:none}
.form-msg.show{display:block}
/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-xs);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d3daf3}
.metric-num{font-size:30px;font-weight:800;line-height:1.1;background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-name{font-size:14.5px;font-weight:700;color:var(--ink);margin:8px 0 4px}
.metric-desc{font-size:13.5px;color:var(--muted);margin:0;line-height:1.7}
/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-xs);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;height:100%}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d0f0}
.card-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:20px;margin-bottom:16px}
.card-icon.teal{background:var(--accent-soft);color:#0a8f7e}
.info-card h3{font-size:17.5px;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{font-size:12px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:4px 11px}
.tag.teal{color:#0a8f7e;background:var(--accent-soft)}
/* ---------- 结算对照 ---------- */
.compare-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:26px;align-items:start}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);overflow:auto}
table.odds{width:100%;border-collapse:collapse;min-width:540px}
.odds thead th{text-align:left;font-size:12.5px;letter-spacing:.08em;color:var(--muted);font-weight:700;padding:16px 20px;background:#f3f5fd;border-bottom:1px solid var(--line);white-space:nowrap}
.odds td{padding:15px 20px;border-bottom:1px solid #eef1fa;font-size:14.8px;color:var(--ink-2);vertical-align:top}
.odds tbody tr:last-child td{border-bottom:none}
.odds tbody tr:hover{background:#f8f9ff}
.odds .bet{font-weight:700;color:var(--ink)}
.odds .payout{font-weight:700;color:var(--brand-deep);white-space:nowrap}
.side-notes{display:grid;gap:16px}
.note-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-xs)}
.note-card h4{font-size:15.5px;margin-bottom:6px}
.note-card p{font-size:14px;color:var(--muted);margin:0}
/* ---------- 路线时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-xs);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d3daf3}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;font-size:14.5px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));margin-bottom:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);margin:0}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;height:100%}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d0f0}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#eef1fb}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:16.5px;line-height:1.55;margin-bottom:10px}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:14px;color:var(--muted);margin-bottom:16px}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin-top:auto}
.news-meta span{display:inline-flex;align-items:center;gap:5px}
.news-empty{background:#fff;border:1px dashed #ccd3ee;border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);font-size:14.5px}
.news-foot{display:flex;justify-content:flex-end;margin-top:26px}
/* ---------- 深色保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.guard-item{display:flex;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:20px 22px;transition:background .2s ease,border-color .2s ease,transform .2s ease}
.guard-item:hover{background:rgba(255,255,255,.1);border-color:rgba(185,192,238,.45);transform:translateY(-3px)}
.guard-item .g-icon{flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(15,185,164,.2);color:#6ff0dd;font-size:19px}
.guard-item h4{font-size:15.5px;margin-bottom:6px}
.guard-item p{font-size:14px;color:#a2a9d4;margin:0}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-xs);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d0f0}
.channel-card.current{border-color:#b9c3f2;box-shadow:0 14px 34px rgba(59,76,228,.14);background:linear-gradient(180deg,#f7f8ff 0%,#fff 58%)}
.channel-card h3{font-size:17.5px;margin:14px 0 10px}
.channel-card p{font-size:14.5px;color:var(--muted);margin-bottom:18px}
.channel-link{margin-top:auto;display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:700;color:var(--brand)}
.channel-link:hover{color:var(--brand-deep)}
.current-badge{position:absolute;right:20px;top:22px;font-size:11.5px;font-weight:700;color:#0a8f7e;background:var(--accent-soft);border-radius:999px;padding:4px 11px;letter-spacing:.04em}
/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-xs);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#ccd3ee;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);font-size:15.5px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:16px;transition:background .2s ease,color .2s ease}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.8}
/* ---------- 转化表单 ---------- */
.cta-panel{
 position:relative;overflow:hidden;
 background:linear-gradient(135deg,#2833b0 0%,#3b4ce4 48%,#6b4cf0 100%);
 border-radius:var(--radius-lg);padding:44px;color:#fff;
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:38px;align-items:center;
 box-shadow:0 24px 56px rgba(40,51,176,.28);
}
.cta-panel::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.1);right:-140px;top:-180px;filter:blur(20px);pointer-events:none}
.cta-panel h2{color:#fff;font-size:27px;margin-bottom:14px;position:relative}
.cta-panel p{color:rgba(255,255,255,.86);font-size:15px;position:relative;margin-bottom:0}
.cta-stat{display:flex;gap:26px;margin-top:24px;position:relative}
.cta-stat strong{display:block;font-size:24px;font-weight:800;color:#fff;line-height:1.2}
.cta-stat span{font-size:12.5px;color:rgba(255,255,255,.75)}
.form-card{position:relative;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);padding:24px;backdrop-filter:blur(6px)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.86);margin-bottom:6px;letter-spacing:.03em}
.field input,.field textarea{
 width:100%;padding:12px 14px;border-radius:10px;font-size:14.5px;font-family:inherit;
 border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.16);color:#fff;
 transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.66)}
.field input:focus,.field textarea:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.24);box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.form-card .btn{width:100%;margin-top:4px}
.cta-msg{font-size:13.5px;font-weight:600;color:#c8fff4;margin:12px 0 0;display:none}
.cta-msg.show{display:block}
/* ---------- 页脚 ---------- */
.site-footer{background:#0e1230;color:#a8aed4;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;color:#9298bf;line-height:1.8;max-width:340px;margin-bottom:18px}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px}
.footer-meta span{font-size:12.5px;color:#b9c0ee;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:5px 12px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#9298bf;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col ul li a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#8a90b8}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px}
 .hero-cat h1{font-size:34px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid,.news-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
 .compare-grid{grid-template-columns:1fr}
 .timeline{grid-template-columns:repeat(2,1fr)}
 .guard-grid{grid-template-columns:1fr}
 .cta-panel{grid-template-columns:1fr;padding:34px;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .section{padding:64px 0}
}
@media (max-width:991px){
 .nav-toggle{display:inline-flex}
 .nav-menu{
  position:absolute;top:calc(100% + 1px);left:0;right:0;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 36px rgba(18,22,46,.12);
  flex-direction:column;align-items:stretch;gap:0;
  padding:14px 20px 20px;display:none;
 }
 .nav-menu.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%}
 .nav-links a{padding:13px 0;border-bottom:1px solid #eef1fa;min-height:44px;font-size:15.5px}
 .nav-links a::after{display:none}
 .nav-ctas{padding-top:16px;flex-direction:column;align-items:stretch;gap:10px;width:100%}
 .nav-ctas .btn{width:100%;padding:12px 18px}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .section-title{font-size:25px}
 .hero-cat{padding:46px 0 56px}
 .hero-cat h1{font-size:29px}
 .hero-desc{font-size:15px}
 .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
 .metric-num{font-size:25px}
 .card-grid,.news-grid,.channel-grid,.timeline{grid-template-columns:1fr}
 .cta-panel{padding:26px}
 .cta-panel h2{font-size:23px}
 .cta-stat{gap:20px;flex-wrap:wrap}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:32px}
 .news-foot{justify-content:flex-start}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero-cat h1{font-size:25.5px}
 .hero-actions .btn{width:100%}
 .remind-form{flex-direction:column}
 .remind-form .btn{width:100%}
 .countdown{gap:8px}
 .cd-num{font-size:19px}
 .section-title{font-size:23px}
 .info-card,.channel-card,.news-body{padding:20px}
 .faq-item summary{padding:15px 16px;font-size:15px}
 .faq-body{padding:0 16px 16px}
}

/* roulang page: article */
:root{
 --brand:#3b4ce4;
 --brand-2:#6b4cf0;
 --brand-deep:#2833b0;
 --brand-soft:#eef0ff;
 --accent:#0fb9a4;
 --accent-soft:#e4faf6;
 --ink:#12162e;
 --ink-2:#2c3155;
 --muted:#6b7192;
 --bg:#f6f7fc;
 --bg-alt:#eef1fb;
 --card:#ffffff;
 --line:#e3e7f4;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-xs:0 1px 3px rgba(18,22,46,.05);
 --shadow-sm:0 6px 18px rgba(18,22,46,.06);
 --shadow:0 14px 36px rgba(18,22,46,.09);
 --shadow-lg:0 24px 56px rgba(18,22,46,.16);
 --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(59,76,228,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
section[id],div[id]{scroll-margin-top:92px}

/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.88);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(227,231,244,.9);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(18,22,46,.09);background:rgba(255,255,255,.96)}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 color:#fff;font-size:18px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 box-shadow:0 9px 20px rgba(59,76,228,.32);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;line-height:1}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
 display:inline-block;position:relative;
 font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 2px;
}
.nav-links a::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
 transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-ctas{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;align-items:center;gap:8px;
 background:#fff;border:1px solid var(--line);border-radius:10px;
 padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
 transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;line-height:1.4}
.btn-brand{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:13px 26px;box-shadow:0 12px 26px rgba(59,76,228,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(59,76,228,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#ccd3ee;color:var(--ink-2);padding:13px 26px}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand-sm{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.btn-brand-sm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(59,76,228,.34)}
.btn-line-sm{background:transparent;border-color:#d5dbf0;color:var(--ink-2);padding:10px 18px;font-size:14px}
.btn-line-sm:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff;padding:13px 26px}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}

/* ---------- 区块 ---------- */
.section{padding:82px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:56px 0}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:600;letter-spacing:.06em;
 color:var(--brand);background:var(--brand-soft);
 padding:7px 15px;border-radius:999px;
}
.section-head{max-width:740px;margin-bottom:40px}
.section-title{font-size:30px;color:var(--ink);margin:16px 0 12px;letter-spacing:-.01em;line-height:1.34}
.section-sub{color:var(--muted);font-size:15.5px}

/* ---------- 文章头部 ---------- */
.article-hero{padding:40px 0 0;background:linear-gradient(180deg,#f9faff 0%,#eef1ff 62%,#f6f7fc 100%);position:relative;overflow:hidden}
.article-hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;background:rgba(107,76,240,.16);filter:blur(90px);pointer-events:none}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#b9bfd8}
.article-hero-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);overflow:hidden;
}
.article-hero-media{position:relative;height:290px;overflow:hidden}
.article-hero-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.article-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,46,.02) 0%,rgba(18,22,46,.48) 100%)}
.article-hero-tagline{
 position:absolute;left:26px;bottom:24px;z-index:2;
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.94);color:var(--brand);
 font-size:13px;font-weight:700;border-radius:999px;padding:8px 16px;
 box-shadow:0 10px 24px rgba(18,22,46,.18);
}
.article-hero-body{padding:34px 40px 38px}
.article-hero-body h1{font-size:33px;line-height:1.34;letter-spacing:-.015em;color:var(--ink);margin:16px 0 16px}
.article-lead{
 font-size:15.8px;line-height:1.82;color:#4a5079;
 display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.article-meta span{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13.5px;color:var(--ink-2);
 background:var(--bg-alt);border:1px solid var(--line);
 border-radius:999px;padding:7px 15px;
}
.article-meta i{color:var(--brand);font-size:14px}

/* ---------- 指标条 ---------- */
.metrics-strip{padding:34px 0 0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#cfd6f3}
.metric b{display:block;font-size:26px;line-height:1.2;color:var(--ink);letter-spacing:-.02em}
.metric b em{font-style:normal;font-size:14px;font-weight:600;color:var(--brand);margin-left:4px}
.metric span{font-size:13.5px;color:var(--muted)}

/* ---------- 正文布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-body-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:38px 42px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:15.6px;line-height:1.86;color:var(--ink-2)}
.article-body > * + *{margin-top:18px}
.article-body h1,.article-body h2{
 font-size:23px;line-height:1.42;color:var(--ink);
 margin-top:34px;padding-left:15px;position:relative;
}
.article-body h1::before,.article-body h2::before{
 content:"";position:absolute;left:0;top:.34em;width:4px;height:1.02em;border-radius:2px;
 background:linear-gradient(180deg,var(--brand),var(--accent));
}
.article-body h3{font-size:18.5px;color:var(--ink);margin-top:26px;line-height:1.5}
.article-body h4{font-size:16.5px;color:var(--ink);margin-top:22px}
.article-body p{margin:0}
.article-body ul li{position:relative;padding-left:22px;margin-top:10px}
.article-body ul li::before{
 content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
 background:linear-gradient(135deg,var(--brand),var(--accent));
}
.article-body ol{counter-reset:stepnum}
.article-body ol li{position:relative;padding-left:32px;margin-top:10px;counter-increment:stepnum}
.article-body ol li::before{
 content:counter(stepnum);position:absolute;left:0;top:.24em;
 width:21px;height:21px;border-radius:7px;
 background:var(--brand-soft);color:var(--brand);
 font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
 margin:24px 0;padding:18px 24px;
 background:var(--brand-soft);border-left:4px solid var(--brand);
 border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius);margin:22px 0;width:100%;height:auto}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body strong{color:var(--ink);font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.6px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}

.article-aside{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-xs);
}
.side-title{
 font-size:15px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;gap:9px;margin-bottom:16px;
}
.side-title i{color:var(--brand);font-size:16px}
.quick-list li{
 display:flex;align-items:baseline;justify-content:space-between;gap:14px;
 padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0}
.quick-list .k{color:var(--muted)}
.quick-list .v{color:var(--ink);font-weight:700;white-space:nowrap}
.side-note{font-size:13.6px;color:var(--muted);line-height:1.8}
.side-note strong{color:var(--ink)}

/* ---------- 卡片 ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px;box-shadow:var(--shadow-xs);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6f3}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 color:#fff;font-size:20px;margin-bottom:16px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 10px 20px rgba(59,76,228,.24);
}
.card-icon.alt{background:linear-gradient(135deg,var(--accent),#3b8fe4);box-shadow:0 10px 20px rgba(15,185,164,.24)}
.feature-card h3{font-size:17.5px;color:var(--ink);margin-bottom:10px;line-height:1.45}
.feature-card p{font-size:14.6px;color:var(--muted);line-height:1.78}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12.5px;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:4px 12px}
.tag.t-alt{color:#0a8f7f;background:var(--accent-soft)}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-item{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#cfd6f3}
.flow-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:800;
 color:var(--brand);background:var(--brand-soft);margin-bottom:14px;
}
.flow-item h3{font-size:16.5px;color:var(--ink);margin-bottom:8px}
.flow-item p{font-size:14.4px;color:var(--muted);line-height:1.75}

/* ---------- 对照表 ---------- */
.compare-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:8px;box-shadow:var(--shadow-sm);overflow:hidden;
}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.8px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table thead th{background:var(--bg-alt);color:var(--ink);font-weight:700;font-size:14px}
.compare-table thead th:first-child{border-top-left-radius:10px}
.compare-table thead th:last-child{border-top-right-radius:10px}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:#fafbff}
.compare-table td:first-child{color:var(--ink);font-weight:700}
.compare-table .value{color:var(--brand);font-weight:700}

/* ---------- 推荐轨 ---------- */
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.reco-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reco-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd6f3}
.reco-card img{width:100%;height:172px;object-fit:cover;border-radius:0}
.reco-body{padding:20px 22px 24px}
.reco-body h3{font-size:16.5px;color:var(--ink);margin-bottom:8px;line-height:1.45}
.reco-body p{font-size:14.2px;color:var(--muted);line-height:1.76}

/* ---------- 提示条 ---------- */
.notice{
 display:flex;gap:20px;align-items:flex-start;
 background:linear-gradient(135deg,#eef0ff 0%,#e6faf6 100%);
 border:1px solid #d8def7;border-radius:var(--radius-lg);
 padding:30px 34px;
}
.notice-icon{
 width:48px;height:48px;flex:0 0 48px;border-radius:14px;display:grid;place-items:center;
 color:#fff;font-size:22px;background:linear-gradient(135deg,var(--brand),var(--accent));
 box-shadow:0 12px 24px rgba(59,76,228,.22);
}
.notice h3{font-size:18px;color:var(--ink);margin-bottom:8px}
.notice p{font-size:14.6px;color:var(--ink-2);line-height:1.8;max-width:840px}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:14px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfd6f3;box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 24px;
 font-weight:600;color:var(--ink);font-size:15.5px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:21px;line-height:1;color:var(--brand);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.6px;color:var(--muted);line-height:1.82}

/* ---------- 行动区 ---------- */
.cta-band{
 background:radial-gradient(circle at 12% 8%,#33409c 0%,#1b2150 55%,#111634 100%);
 border-radius:var(--radius-lg);padding:46px 48px;color:#c8cdf0;
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:#a9b0da;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 空状态 ---------- */
.empty-state{
 max-width:660px;margin:0 auto;text-align:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:64px 40px;box-shadow:var(--shadow-sm);
}
.empty-icon{
 width:62px;height:62px;border-radius:18px;margin:0 auto 20px;
 display:grid;place-items:center;font-size:26px;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 14px 28px rgba(59,76,228,.26);
}
.empty-state h1{font-size:26px;color:var(--ink);margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:26px;font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0f1330;color:#a6acd0;padding:64px 0 0;margin-top:82px}
.footer-top{padding-bottom:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;color:#8f96c0;max-width:340px;line-height:1.8}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-meta span{font-size:12.5px;color:#9aa1cc;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#9299c4;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.1);
 padding:22px 0;display:flex;justify-content:space-between;align-items:center;
 gap:16px;flex-wrap:wrap;font-size:13px;color:#7e85b0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:1fr;gap:32px}
 .article-aside{position:static;grid-template-columns:1fr 1fr}
 .metrics-grid{grid-template-columns:repeat(2,1fr)}
 .cards-3,.reco-grid{grid-template-columns:repeat(2,1fr)}
 .flow-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .article-hero-body h1{font-size:29px}
 .cta-band{padding:36px 32px}
}
@media (max-width:991px){
 .nav-toggle{display:inline-flex}
 .nav-menu{
  position:absolute;top:calc(100% + 1px);left:-20px;right:-20px;
  display:none;flex-direction:column;align-items:stretch;gap:0;
  background:#fff;padding:14px 20px 22px;
  border-bottom:1px solid var(--line);box-shadow:0 22px 40px rgba(18,22,46,.14);
 }
 .nav-menu.is-open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:0}
 .nav-links li{width:100%;border-bottom:1px solid var(--line)}
 .nav-links a{padding:13px 0;width:100%;display:block;font-size:15px}
 .nav-links a::after{display:none}
 .nav-ctas{flex-direction:column;align-items:stretch;gap:10px;margin-top:16px}
 .nav-ctas .btn{width:100%;padding:12px 18px}
}
@media (max-width:768px){
 .section{padding:60px 0}
 .section-tight{padding:44px 0}
 .section-title{font-size:24px}
 .article-hero-media{height:210px}
 .article-hero-body{padding:26px 22px 30px}
 .article-hero-body h1{font-size:24px}
 .article-meta span{font-size:12.8px;padding:6px 12px}
 .article-body-card{padding:26px 22px}
 .article-body{font-size:15.2px}
 .article-body h1,.article-body h2{font-size:20px}
 .article-aside{grid-template-columns:1fr}
 .cards-3,.cards-2,.reco-grid,.flow-grid,.metrics-grid{grid-template-columns:1fr}
 .notice{flex-direction:column;padding:26px 22px;gap:16px}
 .cta-band{padding:30px 24px}
 .cta-band h2{font-size:21px}
 .cta-actions{width:100%}
 .cta-actions .btn{flex:1 1 100%}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
 .compare-table th,.compare-table td{padding:12px 12px;font-size:13.6px}
 .empty-state{padding:44px 22px}
 .brif{font-size:14.4px;color:var(--muted)}
}
@media (max-width:520px){
 .brand{font-size:17px}
 .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
 .article-hero{padding-top:26px}
 .article-hero-tagline{left:16px;bottom:16px;font-size:12px;padding:6px 13px}
 .section{padding:48px 0}
 .metric b{font-size:23px}
 .faq-item summary{padding:16px 18px;font-size:14.6px}
 .faq-item .faq-body{padding:0 18px 18px}
 .btn,.btn-outline,.btn-brand{padding:12px 20px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
 --brand:#3b4ce4;
 --brand-2:#6b4cf0;
 --brand-deep:#2833b0;
 --brand-soft:#eef0ff;
 --accent:#0fb9a4;
 --accent-soft:#e4faf6;
 --ink:#12162e;
 --ink-2:#2c3155;
 --muted:#6b7192;
 --bg:#f6f7fc;
 --bg-alt:#eef1fb;
 --card:#ffffff;
 --line:#e3e7f4;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-xs:0 1px 3px rgba(18,22,46,.05);
 --shadow-sm:0 6px 18px rgba(18,22,46,.06);
 --shadow:0 14px 36px rgba(18,22,46,.09);
 --shadow-lg:0 24px 56px rgba(18,22,46,.16);
 --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--font);
 font-size:15.5px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.35;margin:0}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
section[id]{scroll-margin-top:92px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px}
:focus-visible{outline:3px solid rgba(59,76,228,.42);outline-offset:2px;border-radius:6px}
/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.88);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(227,231,244,.9);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(18,22,46,.09);background:rgba(255,255,255,.96)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 color:#fff;font-size:18px;
 background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 box-shadow:0 9px 20px rgba(59,76,228,.32);
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;line-height:1}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
 display:inline-block;position:relative;
 font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 2px;
}
.nav-links a::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
 transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-ctas{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;align-items:center;gap:8px;
 background:#fff;border:1px solid var(--line);border-radius:10px;
 padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
 transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;text-align:center;line-height:1.4}
.btn-brand{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:13px 26px;box-shadow:0 12px 26px rgba(59,76,228,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(59,76,228,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#ccd3ee;color:var(--ink-2);padding:13px 26px}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand-sm{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.btn-brand-sm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(59,76,228,.34)}
.btn-line-sm{background:transparent;border-color:#d5dbf0;color:var(--ink-2);padding:10px 18px;font-size:14px}
.btn-line-sm:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
/* ---------- 通用区块 ---------- */
.section{padding:84px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-dark{
 background:radial-gradient(circle at 18% 0%,#2a3488 0%,#151a3f 52%,#0e1230 100%);
 color:#c6cbea;
}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .section-sub{color:#a2a9d4}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:600;letter-spacing:.06em;
 color:var(--brand);background:var(--brand-soft);
 padding:7px 15px;border-radius:999px;
}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:#b9c0ee}
.section-head{max-width:740px;margin-bottom:42px}
.section-title{font-size:30px;margin:16px 0 14px;letter-spacing:-.01em}
.section-sub{color:var(--muted);font-size:15.5px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--brand);font-weight:600}
/* ---------- 分类 Hero ---------- */
.hero{position:relative;overflow:hidden;padding:46px 0 78px;background:linear-gradient(180deg,#f9faff 0%,#edf0ff 58%,#f6f7fc 100%)}
.hero-media{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.13;filter:saturate(1.1)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(96px);pointer-events:none}
.hero-glow.g1{width:520px;height:520px;left:-160px;top:-190px;background:rgba(107,76,240,.28)}
.hero-glow.g2{width:480px;height:480px;right:-130px;top:-40px;background:rgba(15,185,164,.22)}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:52px;align-items:center}
.hero h1{font-size:40px;line-height:1.26;letter-spacing:-.02em;margin:18px 0 18px}
.hero h1 .hl{background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:16px;color:#454b73;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13.5px;font-weight:600;color:var(--ink-2);
 background:#fff;border:1px solid var(--line);border-radius:999px;
 padding:7px 15px;box-shadow:var(--shadow-xs);
 transition:border-color .2s,color .2s,transform .2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.chip i{color:var(--accent)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7)}
.hero-badge{
 position:absolute;border-radius:var(--radius);background:rgba(255,255,255,.96);
 box-shadow:var(--shadow);border:1px solid var(--line);
 padding:13px 17px;backdrop-filter:blur(10px);
}
.hero-badge b{display:block;font-size:21px;line-height:1.2;color:var(--ink)}
.hero-badge span{font-size:12.5px;color:var(--muted)}
.hero-badge.b-1{left:-16px;bottom:26px}
.hero-badge.b-2{right:-12px;top:26px}
/* ---------- 指标看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d1f2}
.stat-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:19px;margin-bottom:16px;
}
.stat-num{font-size:32px;font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.02em}
.stat-num em{font-size:15px;font-style:normal;color:var(--muted);font-weight:600;margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}
/* ---------- 策略矩阵 ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.matrix-card{
 position:relative;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;gap:10px;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d1f2}
.matrix-card .m-head{display:flex;align-items:center;gap:12px}
.matrix-card .m-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(59,76,228,.12),rgba(107,76,240,.16));
 color:var(--brand);font-size:20px;flex:none;
}
.matrix-card h3{font-size:18px;margin:0}
.matrix-card p{font-size:14.5px;color:var(--muted);margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag{
 font-size:12.5px;font-weight:600;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.tag.t-green{color:#0a7d70;background:var(--accent-soft)}
.tag.t-grey{color:var(--muted);background:#f0f2f9}
.meter{height:7px;border-radius:999px;background:#eef1fb;overflow:hidden;margin-top:12px}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.meter-label{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:8px}
/* ---------- 对照表 ---------- */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.compare-table{width:100%;border-collapse:collapse;min-width:680px}
.compare-table thead th{
 background:linear-gradient(135deg,#f1f3ff,#eaf6f4);
 color:var(--ink);font-size:14px;font-weight:700;text-align:left;
 padding:16px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table td{padding:16px 18px;border-bottom:1px solid #eef1f8;font-size:14.5px;color:var(--ink-2);vertical-align:top}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr:hover{background:#fafbff}
.compare-table td:first-child{font-weight:700;color:var(--ink)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:middle}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
/* ---------- 场景卡 ---------- */
.scene-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d1f2}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.scene-body{padding:22px}
.scene-body h3{font-size:17.5px;margin-bottom:8px}
.scene-body p{font-size:14.5px;color:var(--muted);margin-bottom:12px}
/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow}
.flow-step{
 position:relative;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d1f2}
.flow-step .step-no{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:15px;color:#fff;margin-bottom:16px;
 background:linear-gradient(135deg,var(--brand),var(--brand-2));
 box-shadow:0 8px 18px rgba(59,76,228,.28);
}
.flow-step h3{font-size:16.5px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted);margin:0}
/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
 height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
 display:flex;flex-direction:column;gap:10px;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9d1f2}
.post-card h3{font-size:16.5px;line-height:1.5;margin:0}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{font-size:14px;color:var(--muted);margin:0}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px}
.post-meta .pm-cat{color:var(--brand-deep);background:var(--brand-soft);border-radius:999px;padding:3px 11px;font-weight:600}
.empty-note{
 background:var(--card);border:1px dashed #ccd3ee;border-radius:var(--radius);
 padding:34px 24px;text-align:center;color:var(--muted);font-size:15px;
}
/* ---------- 保障区 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.guard-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:28px 24px;
 transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.guard-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28)}
.guard-card i{font-size:22px;color:#7ee8d8;margin-bottom:14px;display:block}
.guard-card h3{font-size:17px;margin-bottom:10px}
.guard-card p{font-size:14.5px;color:#a2a9d4;margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-xs);transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d1f2;box-shadow:var(--shadow-sm)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 font-size:16px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"\F282";font-family:"bootstrap-icons";font-size:15px;color:var(--brand);
 transition:transform .22s ease;flex:none;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item .faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--muted)}
/* ---------- 表单 ---------- */
.ask-wrap{
 display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:42px;align-items:start;
}
.ask-panel{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:32px;box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
 width:100%;font-family:inherit;font-size:14.5px;color:var(--ink-2);
 background:#fbfcff;border:1px solid var(--line);border-radius:10px;
 padding:12px 14px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:118px;resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#c9d1f2}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--brand);background:#fff;
 box-shadow:0 0 0 4px rgba(59,76,228,.12);
}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-ok{display:block;margin-top:12px;font-size:13.5px;font-weight:600;color:#0a7d70;min-height:20px}
.ask-side .side-list{display:grid;gap:14px;margin-top:22px}
.ask-side .side-item{
 display:flex;gap:13px;background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-xs);
}
.ask-side .side-item i{color:var(--brand);font-size:19px;flex:none;line-height:1.5}
.ask-side .side-item h4{font-size:15px;margin:0 0 4px}
.ask-side .side-item p{font-size:13.8px;color:var(--muted);margin:0}
/* ---------- 页脚 ---------- */
.site-footer{
 background:radial-gradient(circle at 82% 0%,#232c76 0%,#131737 55%,#0c1029 100%);
 color:#9aa2cf;padding:66px 0 0;margin-top:0;
}
.footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:52px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:#fff}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;color:#9aa2cf;margin:16px 0 18px;max-width:340px}
.footer-meta{display:flex;flex-wrap:wrap;gap:10px}
.footer-meta span{
 font-size:12.5px;color:#c6cbea;background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:4px 12px;
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9aa2cf}
.footer-col a:hover{color:#fff}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 border-top:1px solid rgba(255,255,255,.12);
 margin-top:46px;padding:22px 0 26px;font-size:13px;color:#8b93c2;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero h1{font-size:34px}
 .hero-inner{grid-template-columns:1fr;gap:38px}
 .hero-visual{order:-1}
 .hero-badge.b-1{left:12px;bottom:12px}
 .hero-badge.b-2{right:12px;top:12px}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .card-grid-3,.post-grid,.guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr}
 .ask-wrap{grid-template-columns:1fr}
}
@media (max-width:991px){
 .nav-menu{
  display:none;position:absolute;left:0;right:0;top:100%;
  flex-direction:column;align-items:stretch;gap:0;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 34px rgba(18,22,46,.12);
  padding:14px 20px 22px;
 }
 .nav-menu.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:0;width:100%}
 .nav-links a{display:block;padding:13px 4px;font-size:15.5px;border-bottom:1px solid #f0f2f9}
 .nav-links a::after{display:none}
 .nav-links a.active{color:var(--brand)}
 .nav-ctas{width:100%;flex-direction:column;gap:10px;margin-top:16px}
 .nav-ctas .btn{width:100%;min-height:44px}
 .nav-toggle{display:inline-flex;min-height:40px}
 .site-header{position:sticky}
}
@media (max-width:768px){
 .section{padding:60px 0}
 .section-title{font-size:25px}
 .hero{padding:34px 0 60px}
 .hero h1{font-size:29px}
 .hero-desc{font-size:15px}
 .card-grid-2,.card-grid-3,.post-grid,.guard-grid,.flow-grid,.stat-grid{grid-template-columns:1fr}
 .hero-actions .btn{width:100%;min-height:46px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .ask-panel{padding:24px}
 .form-row{grid-template-columns:1fr}
 .footer-bottom{font-size:12.5px}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 .hero h1{font-size:26px}
 .section-title{font-size:22px}
 .brand{font-size:17px}
 .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
 .stat-card{padding:20px 18px}
 .matrix-card{padding:22px}
 .faq-item summary{padding:16px 18px;font-size:15px}
 .faq-item .faq-body{padding:0 18px 18px}
 .cmp{min-width:600px}
}

/* roulang page: category3 */
:root{
 --brand:#3b4ce4;
 --brand-2:#6b4cf0;
 --brand-deep:#2833b0;
 --brand-soft:#eef0ff;
 --accent:#0fb9a4;
 --accent-soft:#e4faf6;
 --ink:#12162e;
 --ink-2:#2c3155;
 --muted:#6b7192;
 --bg:#f6f7fc;
 --bg-alt:#eef1fb;
 --card:#ffffff;
 --line:#e3e7f4;
 --radius-lg:22px;
 --radius:14px;
 --radius-sm:10px;
 --shadow-xs:0 1px 3px rgba(18,22,46,.05);
 --shadow-sm:0 6px 18px rgba(18,22,46,.06);
 --shadow:0 14px 36px rgba(18,22,46,.09);
 --shadow-lg:0 24px 56px rgba(18,22,46,.16);
 --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;font-family:var(--font);font-size:15.5px;line-height:1.78;color:var(--ink-2);
 background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.32;letter-spacing:-.01em;margin:0}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit}
section[id]{scroll-margin-top:92px}
:focus-visible{outline:3px solid rgba(59,76,228,.35);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.9);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid rgba(227,231,244,.9);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 10px 28px rgba(18,22,46,.09);background:rgba(255,255,255,.97)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 color:#fff;font-size:18px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
 box-shadow:0 9px 20px rgba(59,76,228,.32);flex:0 0 auto;
}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.14em;line-height:1}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{display:inline-block;position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:8px 2px}
.nav-links a::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
 transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-ctas{display:flex;align-items:center;gap:10px}
.nav-toggle{
 display:none;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
 border-radius:10px;padding:9px 14px;font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
 transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;
 font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;text-align:center;line-height:1.4;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:13px 26px;box-shadow:0 12px 26px rgba(59,76,228,.28)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(59,76,228,.36)}
.btn-brand:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#ccd3ee;color:var(--ink-2);padding:13px 26px}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-brand-sm{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;padding:10px 20px;font-size:14px;box-shadow:0 8px 18px rgba(59,76,228,.26)}
.btn-brand-sm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(59,76,228,.34)}
.btn-line-sm{background:transparent;border-color:#d5dbf0;color:var(--ink-2);padding:10px 18px;font-size:14px}
.btn-line-sm:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ---------- 区块骨架 ---------- */
.section{padding:82px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-dark{background:radial-gradient(circle at 18% 0%,#2a3488 0%,#151a3f 52%,#0e1230 100%);color:#c6cbea}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .section-sub{color:#a2a9d4}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
 color:var(--brand);background:var(--brand-soft);padding:7px 15px;border-radius:999px;
}
.section-dark .eyebrow{background:rgba(255,255,255,.1);color:#b9c0ee}
.section-head{max-width:760px;margin-bottom:40px}
.section-title{font-size:31px;margin:16px 0 14px}
.section-sub{color:var(--muted);font-size:15.5px;margin:0}
.section-dark .eyebrow i{color:#8ef0e0}
.tag{
 display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--brand-deep);
 background:var(--brand-soft);border-radius:999px;padding:5px 12px;
}
.tag-accent{color:#0a7a6c;background:var(--accent-soft)}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:74px 0 84px;background:linear-gradient(180deg,#fbfcff 0%,#edf0ff 62%,var(--bg) 100%)}
.cat-hero::before{
 content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
 opacity:.14;filter:saturate(1.1);
}
.orb{position:absolute;border-radius:50%;filter:blur(96px);pointer-events:none}
.orb.o1{width:520px;height:520px;left:-150px;top:-180px;background:rgba(107,76,240,.28)}
.orb.o2{width:460px;height:460px;right:-120px;bottom:-160px;background:rgba(15,185,164,.22)}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:52px;align-items:center}
.cat-hero h1{font-size:40px;line-height:1.26;margin:18px 0 18px}
.cat-hero h1 .hl{background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero-desc{font-size:16px;color:#454b73;max-width:590px;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 24px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
 display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--ink-2);
 background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;box-shadow:var(--shadow-xs);
}
.chip i{color:var(--brand)}
.hero-panel{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);padding:16px;
}
.hero-panel img{width:100%;height:214px;object-fit:cover;border-radius:16px}
.hero-panel-badge{
 position:absolute;top:30px;right:30px;background:rgba(18,22,46,.82);color:#fff;
 font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero-panel-list{padding:16px 8px 6px}
.hero-panel-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 6px;border-bottom:1px dashed var(--line);font-size:14px}
.hero-panel-list li:last-child{border-bottom:0}
.hero-panel-list b{color:var(--brand-deep);font-size:15px}
.hero-panel-list span{color:var(--muted);font-size:13.5px}

/* ---------- 指标看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
 background:linear-gradient(160deg,#ffffff 0%,#f2f5ff 100%);
 border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;
 box-shadow:var(--shadow-xs);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.stat-ico{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:18px;
 color:var(--brand);background:var(--brand-soft);margin-bottom:16px;
}
.stat-num{font-size:32px;font-weight:800;color:var(--brand-deep);letter-spacing:-.02em;line-height:1.15}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px}
.stat-bar{height:6px;border-radius:99px;background:#e6eaf8;overflow:hidden;margin-top:16px}
.stat-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.metric-note{
 margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;box-shadow:var(--shadow-xs);display:flex;gap:14px;align-items:flex-start;
}
.metric-note i{color:var(--accent);font-size:20px;line-height:1.4}
.metric-note p{margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- 评测维度矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.m-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-xs);display:flex;flex-direction:column;gap:12px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.m-card.span-2{grid-column:span 2;flex-direction:row;align-items:center;gap:24px;
 background:linear-gradient(140deg,#ffffff 0%,#f0f3ff 100%)}
.m-card.span-2 .m-figure{flex:0 0 42%;max-width:300px}
.m-card.span-2 .m-figure img{width:100%;height:190px;object-fit:cover;border-radius:16px}
.m-ico{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;color:var(--brand);background:var(--brand-soft)}
.m-card h3{font-size:17.5px;margin:0}
.m-card p{font-size:14.2px;color:var(--muted);margin:0}
.m-foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}

/* ---------- 桌台对照 ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.compare-table{width:100%;border-collapse:collapse;min-width:760px}
.compare-table thead th{
 background:linear-gradient(135deg,#f2f4ff,#e9edff);color:var(--ink);font-size:14px;font-weight:700;
 padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table tbody td{padding:18px 20px;font-size:14.3px;color:var(--ink-2);border-bottom:1px solid #eef1fa;vertical-align:top}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:#f9faff}
.compare-table td b{color:var(--brand-deep)}
.table-scroll{overflow-x:auto;border-radius:var(--radius-lg)}
.compare-foot{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px}
.compare-foot .mini{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.compare-foot .mini i{color:var(--accent)}

/* ---------- 选台步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;position:relative}
.step{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
 box-shadow:var(--shadow-xs);position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.step-no{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
 margin-bottom:14px;box-shadow:0 8px 16px rgba(59,76,228,.26);
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.6px;color:var(--muted);margin:0}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-xs);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5f5}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;height:178px;object-fit:cover;border-radius:0;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:#c8cee8}
.news-body h3{font-size:16.5px;line-height:1.5;margin:0}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:13.8px;color:var(--muted);margin:0}
.news-more{margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--brand)}
.news-more:hover{gap:10px}
.empty-tip{
 text-align:center;color:var(--muted);font-size:14.5px;background:#fff;border:1px dashed #cfd6ef;
 border-radius:var(--radius);padding:38px 20px;box-shadow:var(--shadow-xs);
}

/* ---------- 平台保障（深色） ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.guard-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);
 padding:26px 22px;transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.guard-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24)}
.guard-ico{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
 color:#8ef0e0;background:rgba(15,185,164,.16);margin-bottom:16px;
}
.guard-card h3{font-size:16.5px;margin-bottom:8px}
.guard-card p{font-size:13.8px;color:#a2a9d4;margin:0}

/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.quick-item{
 background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
 border-radius:var(--radius-sm);padding:20px 24px;box-shadow:var(--shadow-xs);
 transition:transform .2s ease,box-shadow .2s ease;
}
.quick-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.quick-item h3{font-size:15.5px;margin-bottom:8px;display:flex;gap:9px;align-items:flex-start}
.quick-item h3 i{color:var(--brand);font-size:16px;line-height:1.5}
.quick-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
 border:1px solid var(--line);border-radius:var(--radius) !important;margin-bottom:14px;
 overflow:hidden;background:#fff;box-shadow:var(--shadow-xs);
}
.faq-acc .accordion-button{
 font-size:16px;font-weight:700;color:var(--ink);background:#fff;padding:20px 24px;
 box-shadow:none !important;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-deep);background:#f5f7ff}
.faq-acc .accordion-button::after{
 background-image:none;content:"\F64D";font-family:"bootstrap-icons";font-size:15px;
 transform:none;transition:transform .24s ease;color:var(--brand);width:auto;height:auto;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.faq-acc .accordion-body{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- 提交疑问 ---------- */
.ask-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:48px;align-items:start}
.ask-points{margin-top:22px;display:grid;gap:12px}
.ask-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.ask-points i{color:var(--accent);font-size:17px;line-height:1.5}
.ask-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px;box-shadow:var(--shadow);
}
.ask-card h3{font-size:18px;margin-bottom:6px}
.ask-card .ask-sub{font-size:13.8px;color:var(--muted);margin-bottom:20px}
.form-label{font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-control,.form-select{
 border-radius:10px;border:1px solid var(--line);padding:11px 14px;font-size:14.5px;
 color:var(--ink-2);background:#fbfcff;transition:border-color .2s,box-shadow .2s,background .2s;
}
.form-control:focus,.form-select:focus{
 border-color:var(--brand);box-shadow:0 0 0 4px rgba(59,76,228,.12);background:#fff;
}
.form-control::placeholder{color:#9aa1bd}
.ask-form .btn{margin-top:20px;width:100%}
.form-note{font-size:12.8px;color:var(--muted);margin:14px 0 0;line-height:1.7}
.form-msg{
 margin:14px 0 0;font-size:13.5px;font-weight:600;color:#0a7a6c;background:var(--accent-soft);
 border:1px solid #bdeee6;border-radius:10px;padding:11px 14px;
}

/* ---------- 页脚 ---------- */
.site-footer{
 background:radial-gradient(circle at 12% 0%,#232a63 0%,#151a3f 45%,#0e1230 100%);
 color:#a9b0d8;padding:62px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px}
.footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:#9aa1cd;max-width:340px}
.footer-meta{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-meta span{font-size:12.5px;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:#c3c9ef}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#a9b0d8;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:22px 0;
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8d94c1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .cat-hero h1{font-size:34px}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .m-card.span-2{grid-column:span 2;flex-direction:row}
 .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:991px){
 .nav-wrap{flex-wrap:wrap;min-height:auto;padding:12px 0}
 .nav-toggle{display:inline-flex}
 .nav-menu{
  display:none;width:100%;flex-direction:column;align-items:stretch;gap:16px;
  padding:16px 0 6px;border-top:1px solid var(--line);margin-top:12px;
 }
 .nav-menu.open{display:flex}
 .nav-links{flex-direction:column;align-items:stretch;gap:2px}
 .nav-links a{padding:12px 12px;border-radius:10px;font-size:15.5px}
 .nav-links a::after{display:none}
 .nav-links a.active{background:var(--brand-soft)}
 .nav-ctas{flex-direction:column;align-items:stretch}
 .nav-ctas .btn{width:100%;padding:12px 18px}
 .cat-hero{padding:56px 0 64px}
 .cat-hero-inner{grid-template-columns:1fr;gap:36px}
 .cat-hero-desc{max-width:none}
 .hero-panel{max-width:560px}
 .section{padding:64px 0}
 .section-title{font-size:26px}
 .ask-wrap{grid-template-columns:1fr;gap:32px}
 .quick-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
 .stat-grid{grid-template-columns:1fr}
 .matrix-grid{grid-template-columns:1fr}
 .m-card.span-2{grid-column:span 1;flex-direction:column;align-items:flex-start}
 .m-card.span-2 .m-figure{flex:none;max-width:none;width:100%}
 .m-card.span-2 .m-figure img{height:200px}
 .steps{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .guard-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-bottom{flex-direction:column;gap:8px}
 .cat-hero h1{font-size:29px}
 .hero-panel img{height:190px}
 .metric-note{flex-direction:column;gap:10px}
 .ask-card{padding:24px 20px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:17px}
 .cat-hero h1{font-size:25px}
 .section-title{font-size:22px}
 .chip{font-size:12.5px;padding:7px 12px}
 .hero-actions .btn{width:100%}
 .stat-card{padding:22px 18px}
 .stat-num{font-size:28px}
 .news-body{padding:18px}
 .footer-grid{grid-template-columns:1fr}
}

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