/* roulang page: index */
:root{
  --ink:#0e1b2a;
  --ink-2:#2a3f55;
  --muted:#6a7f96;
  --brand:#0e7c86;
  --brand-2:#0a5b63;
  --brand-soft:#e6f3f4;
  --accent:#f0a03c;
  --accent-2:#d6861f;
  --bg:#f4f8fb;
  --bg-2:#e9f1f6;
  --card:#ffffff;
  --line:#e1eaf2;
  --r-lg:18px;
  --r:12px;
  --r-sm:10px;
  --sh-1:0 2px 10px rgba(14,27,42,.05);
  --sh-2:0 14px 32px rgba(14,27,42,.10);
  --sh-3:0 22px 50px rgba(14,27,42,.18);
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(14,124,134,.38);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

/* ============ 导航 Dock ============ */
.site-header{position:sticky;top:14px;z-index:1030;background:transparent}
.dock{
  max-width:1120px;margin:0 auto;display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  padding:8px 12px 8px 18px;
  box-shadow:var(--sh-1);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--sh-2);border-color:#cfe3ea}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand:hover{color:var(--brand-2)}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:10px;
  background:linear-gradient(140deg,var(--brand),#16a5ad);
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
  box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.28)}
.nav-cta{flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:.2s}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,134,.32)}
.btn-accent{background:var(--accent);color:#3f2607;box-shadow:0 8px 20px rgba(240,160,60,.32)}
.btn-accent:hover{background:var(--accent-2);color:#301c04;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,160,60,.36)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn:active{transform:translateY(0)}

/* ============ Hero ============ */
.hero{
  position:relative;
  margin-top:-84px;
  padding:158px 0 118px;
  color:#fff;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 64px),0 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(8,24,38,.95) 0%,rgba(9,50,62,.88) 52%,rgba(11,80,86,.72) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:#8ee0e6;text-transform:uppercase;margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:#8ee0e6;border-radius:2px}
.hero h1{font-size:clamp(28px,3.7vw,44px);color:#fff;line-height:1.28;margin-bottom:18px}
.hero-lead{font-size:15.5px;color:#cfe5ec;line-height:1.85;max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e2f4f7;
}

/* 问卷卡 */
.quiz-card{
  background:rgba(255,255,255,.97);
  border:1px solid rgba(255,255,255,.7);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-3);
  color:var(--ink);
}
.quiz-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.quiz-head strong{font-size:16.5px;font-weight:800}
.quiz-head span{font-size:12.5px;color:var(--muted)}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;cursor:pointer;
  transition:.2s;
}
.chip:hover{border-color:var(--brand);color:var(--brand-2)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.26)}
.result-box{background:var(--bg-2);border:1px solid #d7e6ef;border-radius:var(--r);padding:16px 18px}
.result-label{display:block;font-size:12px;letter-spacing:.1em;color:var(--brand-2);font-weight:700;margin-bottom:6px}
.result-box strong{font-size:16px;display:block;margin-bottom:6px}
.result-box p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
.result-meter{height:8px;border-radius:999px;background:#dfebf2;overflow:hidden;margin:12px 0 8px}
.result-meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#1aa9b2);transition:width .4s ease}
.result-score{font-size:12.5px;color:var(--muted)}
.result-score b{color:var(--brand-2);font-size:14px}
.quiz-note{font-size:12.5px;color:var(--muted);margin-top:14px;margin-bottom:0}

/* ============ 板块基础 ============ */
.section{padding:74px 0}
.section--alt{background:#fff}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);
  margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(22px,2.7vw,30px);margin-bottom:12px}
.sec-sub{font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 数据概览 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.stat{position:relative;padding-left:16px}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--brand),#1aa9b2)}
.stat-num{font-size:28px;font-weight:800;color:var(--brand-2);line-height:1.15;letter-spacing:-.02em}
.stat-num span{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ============ 网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.card-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:18px 18px 20px}
.card-title{font-size:16.5px;margin-bottom:8px;line-height:1.5}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand-2)}
.card-text{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-2);
}
.tag--accent{background:#fdf1df;color:#a8680f}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.card-foot a{font-weight:700}

/* ============ 卖点三连 ============ */
.feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.feature-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-2);margin-bottom:16px;
  font-weight:800;font-size:15px;letter-spacing:.02em;
}
.feature h3{font-size:17.5px;margin-bottom:10px}
.feature p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:0}

/* ============ 分类入口 ============ */
.channel-card{
  display:block;position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px 26px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card::after{
  content:"";position:absolute;right:-46px;top:-46px;width:130px;height:130px;border-radius:50%;
  background:var(--brand-soft);opacity:.85;transition:transform .35s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.channel-card:hover::after{transform:scale(1.35)}
.channel-num{position:relative;display:block;font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--brand);margin-bottom:10px}
.channel-card h3{position:relative;font-size:19px;color:var(--ink);margin-bottom:10px}
.channel-card p{position:relative;font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.channel-more{position:relative;font-size:13.5px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .channel-more{color:var(--brand)}

/* ============ 任务进度 ============ */
.task{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh-1)}
.task-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:4px}
.task-top strong{font-size:15px}
.task-top span{font-size:12.5px;font-weight:700;color:var(--brand-2)}
.bar{height:9px;border-radius:999px;background:var(--bg-2);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#1aa9b2);transition:width .5s ease}
.task-note{font-size:13px;color:var(--muted);margin:8px 0 0}

/* ============ 排行榜 ============ */
.rank-list{display:grid;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:15px 18px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.rank-no{
  width:36px;height:36px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:var(--bg-2);color:var(--brand-2);font-weight:800;font-size:15px;
}
.rank-item.top .rank-no{background:var(--accent);color:#3a2306}
.rank-main strong{display:block;font-size:15px}
.rank-main span{font-size:13px;color:var(--muted)}
.rank-meta{margin-left:auto;font-size:13px;font-weight:800;color:var(--brand-2);white-space:nowrap}

/* ============ 场景矩阵 ============ */
.scene{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene h3{font-size:16.5px;margin-bottom:8px}
.scene p{font-size:13.5px;color:var(--muted);line-height:1.78;margin-bottom:10px}
.scene-tag{font-size:12px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);padding:4px 10px;border-radius:999px;display:inline-block}

/* ============ 三步上手 ============ */
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.step-num{display:block;font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--brand);margin-bottom:12px}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:0}

/* ============ 奖励预览 ============ */
.reward{
  position:relative;overflow:hidden;
  background:linear-gradient(158deg,#0f4350,#0a2833 92%);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);
  padding:26px 24px;color:#dff1f5;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.reward:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.reward::after{content:"";position:absolute;right:-40px;bottom:-50px;width:130px;height:130px;border-radius:50%;background:rgba(26,169,178,.22)}
.reward-badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  padding:4px 12px;border-radius:999px;background:rgba(240,160,60,.18);color:#ffca85;margin-bottom:14px;
}
.reward h3{color:#fff;font-size:17px;margin-bottom:10px;position:relative}
.reward p{font-size:13.5px;color:#a8c8d2;line-height:1.8;margin-bottom:0;position:relative}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:1.72fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:140px 1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.news-thumb{display:block;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body h4{font-size:15.5px;margin-bottom:6px;line-height:1.5}
.news-body h4 a{color:var(--ink)}
.news-body h4 a:hover{color:var(--brand-2)}
.news-body p{font-size:13.5px;color:var(--muted);line-height:1.72;margin-bottom:8px}
.news-meta{font-size:12.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.news-meta .cat{color:var(--brand-2);font-weight:700}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1)}
.panel h3{font-size:16px;margin-bottom:14px}
.panel-list{display:grid;gap:12px}
.panel-list li{display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.panel-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none;margin-top:9px}
.panel-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.empty{
  background:var(--card);border:1px dashed #cddced;border-radius:var(--r);
  padding:30px;text-align:center;color:var(--muted);font-size:14px;
}

/* ============ 案例/证据 ============ */
.evidence{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px 22px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.evidence:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.evidence .num{font-size:26px;font-weight:800;color:var(--brand-2);line-height:1.2}
.evidence .num span{font-size:13px;color:var(--muted);font-weight:600;margin-left:3px}
.evidence p{font-size:13.5px;color:var(--muted);margin:8px 0 0;line-height:1.75}

/* ============ 口碑 ============ */
.quote{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.quote p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--muted)}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;flex:none;
  background:var(--brand-soft);color:var(--brand-2);
  display:grid;place-items:center;font-weight:800;font-size:14px;
}

/* ============ 合作徽章 ============ */
.badge-wall{display:flex;flex-wrap:wrap;gap:12px}
.badge-item{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 20px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--sh-1);transition:.2s;
}
.badge-item:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px)}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}

/* ============ 保障条 ============ */
.guarantee{background:#0b1e2b;color:#d6e6ef;padding:62px 0}
.guarantee .sec-eyebrow{color:#7fd7de}
.guarantee .sec-eyebrow::before{background:#7fd7de}
.guarantee .sec-title{color:#fff}
.guarantee .sec-sub{color:#9db4c4}
.g-item{display:flex;gap:14px}
.g-icon{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:rgba(255,255,255,.09);color:#7fd7de;
  display:grid;place-items:center;font-weight:800;font-size:14px;
}
.g-item h3{color:#fff;font-size:16px;margin-bottom:6px}
.g-item p{color:#9db4c4;font-size:13.5px;line-height:1.75;margin:0}

/* ============ 收口 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#0a5b63 0%,#0d3446 62%,#0a2434 100%);
  border-radius:22px;padding:42px;color:#fff;
  display:grid;grid-template-columns:1.12fr .88fr;gap:36px;align-items:center;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.5vw,28px);margin-bottom:12px}
.cta-band p{color:#bfd8e2;font-size:14.5px;line-height:1.85;margin-bottom:0}
.cta-form{width:100%}
.form-row{display:flex;gap:10px;flex-wrap:wrap}
.input{
  flex:1;min-width:170px;padding:12px 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  color:#fff;transition:.2s;
}
.input::placeholder{color:#9db9c5}
.input:focus{outline:none;background:rgba(255,255,255,.18);border-color:#7fd7de}
.form-note{font-size:12.5px;color:#9db9c5;margin-top:12px;margin-bottom:0}
.form-msg{
  margin-top:12px;font-size:13.5px;color:#0f2a1c;background:#a8f0c9;
  padding:10px 14px;border-radius:10px;font-weight:600;
}

/* ============ 页脚 ============ */
.site-footer{background:#08151f;color:#a9bccb;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700}
.site-footer p{font-size:13.5px;line-height:1.8;color:#8fa6b7}
.footer-links{display:grid;gap:2px}
.site-footer a{color:#a9bccb;font-size:14px;display:inline-block;padding:5px 0;transition:.2s}
.site-footer a:hover{color:#7fd7de}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#75909f;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero{padding:146px 0 104px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .site-header{top:10px}
  .dock{flex-wrap:wrap;border-radius:20px;padding:8px 12px}
  .nav-toggle{display:flex;order:2;margin-left:auto}
  .nav-cta{order:5;display:none;width:100%;margin-top:8px}
  .nav-links{
    order:4;display:none;width:100%;margin-left:0;margin-top:10px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding-top:10px;border-top:1px solid var(--line);
  }
  .nav-links a{padding:13px 16px;min-height:44px;border-radius:12px;font-size:15px}
  .dock.open .nav-links{display:flex}
  .dock.open .nav-cta{display:inline-flex}
  .hero{margin-top:-72px;padding:132px 0 96px}
}
@media (max-width:768px){
  body{font-size:14.5px}
  .section{padding:56px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stat-strip{padding:22px;gap:14px}
  .hero{padding:126px 0 88px;clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%)}
  .hero-lead{font-size:14.5px}
  .cta-band{padding:28px}
  .guarantee{padding:52px 0}
  .footer-grid{grid-template-columns:1fr}
  .sec-title{font-size:23px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand{font-size:15.5px}
  .brand small{display:none}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .quiz-card{padding:20px}
  .stat-num{font-size:24px}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .rank-meta{margin-left:0;width:100%}
  .rank-item{flex-wrap:wrap}
}

/* roulang page: article */
:root{
 --ink:#0e1b2a;
 --ink-2:#2a3f55;
 --muted:#6a7f96;
 --brand:#0e7c86;
 --brand-2:#0a5b63;
 --brand-soft:#e6f3f4;
 --accent:#f0a03c;
 --accent-2:#d6861f;
 --bg:#f4f8fb;
 --bg-2:#e9f1f6;
 --card:#ffffff;
 --line:#e1eaf2;
 --r-lg:18px;
 --r:12px;
 --r-sm:10px;
 --sh-1:0 2px 10px rgba(14,27,42,.05);
 --sh-2:0 14px 32px rgba(14,27,42,.10);
 --sh-3:0 22px 50px rgba(14,27,42,.18);
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--ff);
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;color:var(--ink)}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid rgba(14,124,134,.42);outline-offset:2px;border-radius:8px}

/* ============ 导航 Dock ============ */
.site-header{position:sticky;top:14px;z-index:1030;background:transparent}
.dock{
 position:relative;
 display:flex;align-items:center;gap:16px;
 background:rgba(255,255,255,.95);
 backdrop-filter:blur(16px);
 border:1px solid var(--line);
 border-radius:18px;
 padding:10px 14px;
 box-shadow:var(--sh-1);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--sh-2);border-color:#cfe3ea}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand:hover{color:var(--brand-2)}
.brand-mark{
 width:32px;height:32px;flex:none;border-radius:10px;
 background:linear-gradient(140deg,var(--brand),#16a5ad);
 color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
 box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.28)}
.nav-cta{flex:none}
.nav-toggle{
 display:none;width:42px;height:42px;flex:none;border-radius:12px;
 border:1px solid var(--line);background:#fff;cursor:pointer;
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:.2s}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px;
 border:1px solid transparent;cursor:pointer;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,134,.32)}
.btn-accent{background:var(--accent);color:#3f2607;box-shadow:0 8px 20px rgba(240,160,60,.32)}
.btn-accent:hover{background:var(--accent-2);color:#301c04;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,160,60,.36)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn:active{transform:translateY(0)}

/* ============ 文章头部 ============ */
.article-hero{
 position:relative;
 margin-top:-76px;
 padding:164px 0 92px;
 color:#fff;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 overflow:hidden;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(8,24,38,.95) 0%,rgba(9,50,62,.88) 54%,rgba(11,80,86,.72) 100%);
}
.article-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:#a9cdd6;margin-bottom:16px}
.crumbs a{color:#cfe5ec}
.crumbs a:hover{color:#fff}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.14em;
 color:#8ee0e6;text-transform:uppercase;margin-bottom:14px;
}
.hero-badge::before{content:"";width:26px;height:2px;background:#8ee0e6;border-radius:2px}
.article-hero h1{font-size:clamp(25px,3.4vw,40px);color:#fff;line-height:1.34;margin-bottom:18px;max-width:900px}
.article-lead{font-size:15.5px;color:#cfe5ec;line-height:1.85;max-width:820px;margin-bottom:24px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e2f4f7;
}

/* ============ 板块基础 ============ */
.section{padding:64px 0}
.section--alt{background:#fff}
.section--soft{background:var(--bg-2)}
.sec-head{margin-bottom:30px}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);
 margin-bottom:12px;text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(21px,2.5vw,29px);margin-bottom:10px}
.sec-sub{color:var(--muted);font-size:14.5px;max-width:720px;margin:0}

/* ============ 正文 ============ */
.article-shell{max-width:880px;margin:0 auto}
.article-body{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 padding:40px 42px;box-shadow:var(--sh-1);
 font-size:15.5px;line-height:1.9;color:var(--ink-2);
}
.article-body h2{
 font-size:clamp(19px,2.2vw,23px);color:var(--ink);
 margin:36px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:17.5px;color:var(--ink);margin:26px 0 10px}
.article-body p{margin:0 0 16px;color:var(--ink-2)}
.article-body strong{color:var(--brand-2)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body img{border-radius:var(--r);margin:20px 0;box-shadow:var(--sh-1)}
.article-body blockquote{
 margin:22px 0;padding:16px 22px;background:var(--brand-soft);
 border-left:4px solid var(--brand);border-radius:0 var(--r) var(--r) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article-body th{background:var(--bg-2);color:var(--ink);font-weight:700}

/* 内容缺失 */
.article-empty{
 background:#fff;border:1px dashed #c9dee6;border-radius:var(--r-lg);
 padding:52px 32px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* ============ 速览参数 ============ */
.spec{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 box-shadow:var(--sh-1);overflow:hidden;
}
.spec-row{
 display:grid;grid-template-columns:180px 1fr;gap:18px;
 padding:16px 24px;border-bottom:1px solid var(--line);align-items:start;
 transition:background .2s ease;
}
.spec-row:last-child{border-bottom:none}
.spec-row:hover{background:#f7fbfc}
.spec-key{font-weight:700;color:var(--brand-2);font-size:14px}
.spec-val{color:var(--ink-2);font-size:14.5px;margin:0}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-1);overflow:hidden;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9e0e6}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:16.5px;margin-bottom:8px}
.card-body p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:14px}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;
 background:var(--brand-soft);color:var(--brand-2);
}
.tag-accent{background:#fdf1e1;color:var(--accent-2)}

/* ============ 节奏时间线 ============ */
.timeline{display:grid;gap:16px}
.tl-item{
 display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:20px 22px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#c9e0e6}
.tl-num{
 width:44px;height:44px;border-radius:12px;
 background:linear-gradient(140deg,var(--brand),#16a5ad);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px;
 box-shadow:0 8px 18px rgba(14,124,134,.24);
}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}

/* ============ 误区 ============ */
.pitfall{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:18px 20px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease;
}
.pitfall:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.pitfall .mark{
 width:32px;height:32px;flex:none;border-radius:10px;
 background:#fdf1e1;color:var(--accent-2);
 display:grid;place-items:center;font-weight:800;font-size:13px;
}
.pitfall h3{font-size:15.5px;margin-bottom:5px}
.pitfall p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}

/* ============ 收口 CTA ============ */
.plan{
 position:relative;overflow:hidden;color:#fff;
 background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
 padding:70px 0;
}
.plan::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(8,24,38,.94),rgba(9,56,66,.86) 58%,rgba(14,124,134,.7))}
.plan .wrap{position:relative;z-index:2}
.plan-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center}
.plan h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:14px}
.plan p{color:#cfe5ec;font-size:15px;max-width:560px;margin-bottom:24px}
.plan-actions{display:flex;gap:12px;flex-wrap:wrap}
.plan-box{
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
 border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(6px);
}
.plan-box h3{color:#fff;font-size:16px;margin-bottom:14px}
.plan-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:#dceff4;line-height:1.7}
.plan-list li::before{
 content:"";width:7px;height:7px;flex:none;margin-top:8px;border-radius:50%;
 background:#8ee0e6;box-shadow:0 0 0 3px rgba(142,224,230,.18);
}

/* ============ 页脚 ============ */
.site-footer{background:#0c1a27;color:#b9cbd8;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:#9fb4c3;margin:0;max-width:420px}
.site-footer h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-links{display:grid;gap:9px}
.footer-links a{color:#9fb4c3;font-size:14px}
.footer-links a:hover{color:#8ee0e6}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:22px;font-size:13px;color:#7f96a6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .plan-grid{grid-template-columns:1fr;gap:26px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .article-body{padding:32px 28px}
}
@media (max-width:991px){
 .nav-toggle{display:flex;margin-left:auto}
 .nav-links{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px;box-shadow:var(--sh-2);display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-links a{padding:12px 16px;border-radius:12px}
 .nav-cta{display:none}
 .brand small{display:none}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .article-hero{padding:142px 0 66px}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .spec-row{grid-template-columns:1fr;gap:6px;padding:14px 18px}
 .article-body{padding:26px 20px;font-size:15px}
 .footer-grid{grid-template-columns:1fr}
 .tl-item{grid-template-columns:44px 1fr;gap:14px;padding:16px 16px}
 .tl-num{width:38px;height:38px;border-radius:10px;font-size:14px}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .brand{font-size:15px}
 .article-hero h1{font-size:23px}
 .meta-chip{font-size:12px;padding:5px 12px}
 .btn{width:100%}
 .plan-actions .btn{width:100%}
 .article-body h2{font-size:18px}
}

/* roulang page: category1 */
:root{
 --ink:#0e1b2a;
 --ink-2:#2a3f55;
 --muted:#6a7f96;
 --brand:#0e7c86;
 --brand-2:#0a5b63;
 --brand-soft:#e6f3f4;
 --accent:#f0a03c;
 --accent-2:#d6861f;
 --bg:#f4f8fb;
 --bg-2:#e9f1f6;
 --card:#ffffff;
 --line:#e1eaf2;
 --r-lg:18px;
 --r:12px;
 --r-sm:10px;
 --sh-1:0 2px 10px rgba(14,27,42,.05);
 --sh-2:0 14px 32px rgba(14,27,42,.10);
 --sh-3:0 22px 50px rgba(14,27,42,.18);
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--ff);
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;line-height:1.32;color:var(--ink);font-weight:800}
p{margin:0 0 12px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:sticky;top:14px;z-index:1030;background:transparent}
.dock{
 display:flex;align-items:center;gap:16px;
 padding:10px 14px 10px 18px;
 background:rgba(255,255,255,.9);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border:1px solid rgba(225,234,242,.95);
 border-radius:999px;
 box-shadow:var(--sh-1);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--sh-2);border-color:#cfe3ea}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand:hover{color:var(--brand-2)}
.brand-mark{
 width:32px;height:32px;flex:none;border-radius:10px;
 background:linear-gradient(140deg,var(--brand),#16a5ad);
 color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
 box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.28)}
.nav-cta{flex:none}
.nav-toggle{
 display:none;width:42px;height:42px;flex:none;border-radius:12px;
 border:1px solid var(--line);background:#fff;cursor:pointer;
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
 transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .2s ease,opacity .2s ease}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px;
 border:1px solid transparent;cursor:pointer;line-height:1.2;text-align:center;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,134,.32)}
.btn-accent{background:var(--accent);color:#3f2607;box-shadow:0 8px 20px rgba(240,160,60,.32)}
.btn-accent:hover{background:var(--accent-2);color:#301c04;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,160,60,.36)}
.btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.52);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn:active{transform:translateY(0)}

/* ============ 分类 Hero ============ */
.cat-hero{
 position:relative;overflow:hidden;
 margin-top:22px;padding:56px 0 64px;
 border-radius:0 0 34px 34px;
 color:#fff;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(116deg,rgba(8,24,38,.96) 0%,rgba(9,50,62,.9) 54%,rgba(11,80,86,.74) 100%);
}
.cat-hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;
 color:#8ee0e6;margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:#8ee0e6;border-radius:2px}
.cat-hero h1{font-size:clamp(26px,3.4vw,40px);color:#fff;line-height:1.3;margin-bottom:16px}
.hero-lead{font-size:15.5px;color:#cfe5ec;line-height:1.85;max-width:590px;margin-bottom:22px}
.hero-points{display:grid;gap:10px;margin-bottom:26px}
.hero-points li{
 position:relative;padding-left:28px;font-size:14.5px;color:#e3f2f6;
}
.hero-points li::before{
 content:"";position:absolute;left:0;top:7px;width:15px;height:15px;border-radius:50%;
 background:rgba(142,224,230,.2);border:1px solid rgba(142,224,230,.7);
}
.hero-points li::after{
 content:"";position:absolute;left:5px;top:11px;width:5px;height:8px;
 border-right:2px solid #8ee0e6;border-bottom:2px solid #8ee0e6;
 transform:rotate(40deg);
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.trust-bar{
 display:flex;flex-wrap:wrap;gap:8px 22px;
 padding-top:18px;border-top:1px solid rgba(255,255,255,.18);
 font-size:13px;color:#a9cdd8;
}
.trust-bar strong{color:#fff;font-weight:700;margin-right:4px}
.hero-panel{
 background:rgba(255,255,255,.97);
 border:1px solid rgba(255,255,255,.75);
 border-radius:var(--r-lg);
 padding:20px;color:var(--ink);
 box-shadow:var(--sh-3);
}
.hero-panel img{width:100%;height:168px;object-fit:cover;border-radius:var(--r);margin-bottom:16px}
.panel-title{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.panel-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--accent)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{
 background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
 padding:11px 8px;text-align:center;
}
.stat b{display:block;font-size:19px;color:var(--brand-2);line-height:1.2;font-weight:800}
.stat span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.4}

/* ============ 板块 ============ */
.section{padding:74px 0}
.section--alt{background:#fff}
.section--soft{background:var(--bg-2)}
.sec-head{margin-bottom:34px;max-width:800px}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;max-width:none}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);
 margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(21px,2.5vw,29px);margin-bottom:10px}
.sec-desc{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.sec-note{font-size:13px;color:var(--muted);white-space:nowrap;padding-bottom:6px}

/* ============ 网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ============ 卡片 ============ */
.info-card{
 position:relative;height:100%;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:24px 22px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9e2e7}
.card-index{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:var(--brand-soft);color:var(--brand-2);
 font-size:14px;font-weight:800;margin-bottom:14px;
}
.info-card h3{font-size:17px;margin-bottom:9px}
.info-card p{font-size:14px;color:var(--ink-2);line-height:1.78;margin-bottom:14px}
.tag-list{display:flex;flex-wrap:wrap;gap:7px}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-2);
 border:1px solid #d3e9ec;
}
.tag--warm{background:#fdf2e2;border-color:#f6e0bd;color:#a76a12}

/* 场景卡 */
.scene-card{
 height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:0;overflow:hidden;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9e2e7}
.scene-card img{width:100%;height:132px;object-fit:cover}
.scene-body{padding:18px 18px 20px}
.scene-body h3{font-size:15.5px;margin-bottom:8px}
.scene-body p{font-size:13.5px;color:var(--ink-2);line-height:1.75;margin-bottom:12px}

/* 步骤 */
.step-list{display:grid;gap:16px}
.step-item{
 display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:20px 22px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#c9e2e7}
.step-num{
 width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#16a5ad);color:#fff;
 font-size:17px;font-weight:800;box-shadow:0 8px 18px rgba(14,124,134,.26);
}
.step-item h3{font-size:16px;margin-bottom:6px}
.step-item p{font-size:13.8px;color:var(--ink-2);margin:0;line-height:1.76}

/* 参数表 */
.spec-table-wrap{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 overflow:hidden;box-shadow:var(--sh-1);
}
.spec-table{width:100%;border-collapse:collapse;font-size:13.8px}
.spec-table thead th{
 background:var(--brand-soft);color:var(--brand-2);
 font-weight:800;font-size:13px;letter-spacing:.04em;
 padding:14px 16px;text-align:left;border-bottom:1px solid #d3e9ec;white-space:nowrap;
}
.spec-table tbody td{
 padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;
}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table tbody tr{transition:background .2s ease}
.spec-table tbody tr:hover{background:#f7fbfc}
.spec-table strong{color:var(--ink);font-weight:700}

/* 误判修正 */
.fix-list{display:grid;gap:14px}
.fix-item{
 display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:18px 20px;box-shadow:var(--sh-1);
}
.fix-item .wrong,.fix-item .right{font-size:13.8px;line-height:1.72}
.fix-item .wrong b,.fix-item .right b{display:block;font-size:12px;letter-spacing:.08em;margin-bottom:4px}
.fix-item .wrong b{color:#b4603f}
.fix-item .right b{color:var(--brand-2)}
.fix-arrow{
 width:30px;height:30px;border-radius:50%;flex:none;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-weight:800;font-size:14px;
}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9e2e7;box-shadow:var(--sh-2)}
.faq-item summary{
 cursor:pointer;list-style:none;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 20px;font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex:none;width:24px;height:24px;border-radius:50%;
 display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-2);
 font-size:15px;font-weight:800;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 20px 18px;font-size:14px;color:var(--ink-2);line-height:1.8}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
 height:100%;display:flex;flex-direction:column;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 overflow:hidden;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9e2e7}
.news-card img{width:100%;height:152px;object-fit:cover}
.news-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.news-body h3{font-size:15.5px;line-height:1.5}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand-2)}
.news-body p{font-size:13.4px;color:var(--ink-2);line-height:1.72;margin:0;flex:1}
.empty-tip{font-size:14px;color:var(--muted);padding:22px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r)}

/* CTA */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--r-lg);
 padding:44px 40px;color:#fff;
 background:linear-gradient(122deg,#0b2135 0%,#0d5560 100%);
 box-shadow:var(--sh-2);
}
.cta-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(240,160,60,.28),rgba(240,160,60,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:10px}
.cta-inner p{color:#bcd8e2;font-size:14.5px;margin:0;max-width:600px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
 margin-top:84px;padding:56px 0 26px;
 background:linear-gradient(180deg,#0d2133 0%,#0a1826 100%);
 color:#a9c2d1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.6px;line-height:1.82;color:#96b0c0;margin:0}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:800;letter-spacing:.04em}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.6px;color:#a9c2d1;transition:color .2s ease,padding-left .2s ease}
.footer-links a:hover{color:#8ee0e6;padding-left:4px}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:20px;font-size:12.8px;color:#7b96a8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .hero-panel img{height:200px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .footer-grid>div:first-child{grid-column:1 / -1}
 .sec-head--split{flex-direction:column;align-items:flex-start;gap:8px}
 .sec-note{white-space:normal;padding-bottom:0}
}
@media (max-width:768px){
 .site-header{top:10px}
 .dock{border-radius:20px;padding:10px 12px;flex-wrap:wrap;gap:10px}
 .nav-toggle{display:flex;margin-left:auto;order:2}
 .nav-cta{order:3;padding:8px 14px;font-size:13px}
 .brand{font-size:15.5px;order:1}
 .brand small{display:none}
 .nav-links{
  order:4;display:none;width:100%;
  flex-direction:column;align-items:stretch;gap:4px;
  margin:6px 0 0;padding-top:10px;border-top:1px solid var(--line);
 }
 .dock.nav-open .nav-links{display:flex}
 .nav-links a{padding:11px 14px;border-radius:12px;text-align:left}
 .cat-hero{padding:40px 0 48px;border-radius:0 0 24px 24px}
 .section{padding:54px 0}
 .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
 .step-item{grid-template-columns:44px 1fr;gap:14px;padding:18px}
 .step-num{width:40px;height:40px;border-radius:12px;font-size:15px}
 .fix-item{grid-template-columns:1fr;gap:10px}
 .fix-arrow{transform:rotate(90deg)}
 .spec-table{font-size:13px}
 .spec-table thead th,.spec-table tbody td{padding:11px 12px}
 .cta-band{padding:32px 24px}
 .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
 .wrap{width:calc(100% - 28px)}
 .cat-hero h1{font-size:24px}
 .hero-lead{font-size:14.5px}
 .stat-row{grid-template-columns:1fr 1fr 1fr;gap:6px}
 .stat b{font-size:16px}
 .stat span{font-size:11px}
 .btn{width:100%}
 .hero-actions,.cta-actions{flex-direction:column;width:100%}
 .news-card img{height:140px}
 .spec-table-wrap{overflow-x:auto}
}

/* roulang page: category2 */
:root{
 --ink:#0e1b2a;
 --ink-2:#2a3f55;
 --muted:#6a7f96;
 --brand:#0e7c86;
 --brand-2:#0a5b63;
 --brand-soft:#e6f3f4;
 --accent:#f0a03c;
 --accent-2:#d6861f;
 --bg:#f4f8fb;
 --bg-2:#e9f1f6;
 --card:#ffffff;
 --line:#e1eaf2;
 --r-lg:18px;
 --r:12px;
 --r-sm:10px;
 --sh-1:0 2px 10px rgba(14,27,42,.05);
 --sh-2:0 14px 32px rgba(14,27,42,.10);
 --sh-3:0 22px 50px rgba(14,27,42,.18);
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:var(--ff);
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0 0 12px;line-height:1.35;font-weight:800;color:var(--ink)}
p{margin:0 0 12px}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{display:block;max-width:100%}
button,input{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(14,124,134,.45);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 导航 Dock ============ */
.site-header{position:sticky;top:14px;z-index:1030}
.dock{
 display:flex;align-items:center;gap:16px;
 background:rgba(255,255,255,.96);
 -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
 border:1px solid var(--line);
 border-radius:16px;
 padding:10px 14px;
 box-shadow:var(--sh-1);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--sh-2);border-color:#cfe3ea}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand:hover{color:var(--brand-2)}
.brand-mark{
 width:32px;height:32px;flex:none;border-radius:10px;
 background:linear-gradient(140deg,var(--brand),#16a5ad);
 color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
 box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease,box-shadow .2s ease}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.28)}
.nav-cta{flex:none}
.nav-toggle{
 display:none;width:42px;height:42px;flex:none;border-radius:12px;
 border:1px solid var(--line);background:#fff;cursor:pointer;
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-toggle:hover{border-color:var(--brand)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:background .2s ease}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px;
 border:1px solid transparent;cursor:pointer;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,134,.32)}
.btn-accent{background:var(--accent);color:#3f2607;box-shadow:0 8px 20px rgba(240,160,60,.32)}
.btn-accent:hover{background:var(--accent-2);color:#301c04;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,160,60,.36)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn:active{transform:translateY(0)}

/* ============ Hero ============ */
.hero{
 position:relative;
 margin-top:-84px;
 padding:156px 0 96px;
 color:#fff;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 overflow:hidden;
}
.hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(8,24,38,.94) 0%,rgba(9,50,62,.87) 54%,rgba(11,80,86,.72) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.crumb{font-size:13px;color:#9fc7d1;margin-bottom:16px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a{color:#bfe2e8}
.crumb a:hover{color:#fff}
.crumb span{opacity:.6}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;
 color:#8ee0e6;margin-bottom:16px;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:#8ee0e6;border-radius:2px}
.hero h1{font-size:clamp(27px,3.5vw,42px);color:#fff;line-height:1.28;margin-bottom:18px}
.hero-lead{font-size:15.5px;color:#cfe5ec;line-height:1.85;max-width:580px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.pill{
 display:inline-flex;align-items:center;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e2f4f7;
}
/* 配置面板 */
.build-card{
 background:rgba(255,255,255,.97);
 border:1px solid rgba(255,255,255,.7);
 border-radius:var(--r-lg);
 padding:24px;
 box-shadow:var(--sh-3);
 color:var(--ink);
}
.build-head{display:flex;align-items:center;gap:16px;padding-bottom:18px;border-bottom:1px dashed var(--line);margin-bottom:18px}
.ring{
 --p:78;
 width:112px;height:112px;flex:none;border-radius:50%;
 background:conic-gradient(var(--accent) calc(var(--p) * 1%),#e6eef4 0);
 display:grid;place-items:center;
}
.ring-inner{width:88px;height:88px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;line-height:1.2}
.ring-inner b{display:block;font-size:22px;color:var(--brand-2);font-weight:800}
.ring-inner i{font-style:normal;font-size:11.5px;color:var(--muted)}
.build-head h2{font-size:16px;margin-bottom:6px}
.build-head p{font-size:13px;color:var(--muted);margin:0;line-height:1.6}
.tier-list{display:grid;gap:10px;margin-bottom:18px}
.tier{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fbfdfe;
 transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tier:hover{border-color:#bcd9e2;box-shadow:var(--sh-1);transform:translateY(-2px)}
.tier strong{font-size:13.8px;color:var(--ink)}
.tier em{display:block;font-style:normal;font-size:12px;color:var(--muted);line-height:1.5}
.tier span{font-size:12px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);padding:4px 10px;border-radius:999px;white-space:nowrap}

/* ============ 板块基础 ============ */
.section{padding:72px 0}
.section--alt{background:#fff}
.section--tint{background:var(--bg-2)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);
 margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(22px,2.7vw,30px);margin-bottom:12px}
.sec-desc{font-size:14.8px;color:var(--muted);line-height:1.85;margin:0}

/* ============ 卡片 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-1);overflow:hidden;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cde2ea}
.card-body{padding:20px}
.card-title{font-size:16.5px;margin-bottom:8px}
.card-text{font-size:14px;color:var(--muted);line-height:1.78;margin-bottom:14px}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.05)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
 display:inline-flex;align-items:center;
 font-size:12px;font-weight:600;color:var(--brand-2);
 background:var(--brand-soft);border-radius:999px;padding:4px 11px;
}
.tag--warm{color:#8a5108;background:#fdf1de}
.icon-dot{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-size:14px;font-weight:800;margin-bottom:14px;
}
.icon-dot--warm{background:#fdf1de;color:var(--accent-2)}

/* ============ 规格表 ============ */
.spec-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.table-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);overflow:hidden}
table.spec{width:100%;border-collapse:collapse;font-size:13.8px}
table.spec thead th{
 background:var(--bg-2);color:var(--ink-2);font-weight:700;font-size:13px;
 padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec tbody td{padding:14px 16px;border-bottom:1px solid var(--line);color:var(--ink-2)}
table.spec tbody tr:last-child td{border-bottom:0}
table.spec tbody tr{transition:background .2s ease}
table.spec tbody tr:hover{background:#f8fbfd}
table.spec b{color:var(--brand-2)}
.spec-note{font-size:12.8px;color:var(--muted);padding:12px 16px;background:#fbfdfe;border-top:1px dashed var(--line);margin:0}
.figure-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1)}
.figure-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.figure-card figcaption{padding:16px 18px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),#cfe7ec)}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-29px;top:6px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(14,124,134,.10);
}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
.tl-time{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);border-radius:999px;padding:3px 10px;margin-bottom:8px}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:22px 20px;box-shadow:var(--sh-1);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cde2ea}
.step-no{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:var(--brand);color:#fff;font-weight:800;font-size:14px;margin-bottom:14px;
 box-shadow:0 8px 18px rgba(14,124,134,.24);
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{font-size:13.6px;color:var(--muted);margin:0;line-height:1.78}

/* ============ FAQ ============ */
.faq{border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:var(--sh-1);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
 cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15px;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 transition:background .2s ease,color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#f7fbfd;color:var(--brand-2)}
.faq summary::after{
 content:"+";flex:none;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);font-weight:700;font-size:15px;line-height:1;
}
.faq details[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq .faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.85}

/* ============ 频道矩阵 ============ */
.chan-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:24px;box-shadow:var(--sh-1);height:100%;color:var(--ink);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.chan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cde2ea;color:var(--ink)}
.chan-card h3{font-size:17px;margin-bottom:8px}
.chan-card p{font-size:13.8px;color:var(--muted);margin-bottom:16px;line-height:1.78}
.chan-link{font-size:13.5px;font-weight:700;color:var(--brand-2)}
.chan-link::after{content:" →";transition:transform .2s ease;display:inline-block}
.chan-card:hover .chan-link::after{transform:translateX(3px)}

/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;gap:8px;
 background:#fff;border:1px solid var(--line);border-radius:var(--r);
 padding:22px;box-shadow:var(--sh-1);color:var(--ink);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cde2ea;color:var(--ink)}
.post-tag{font-size:11.8px;font-weight:700;color:var(--brand-2);background:var(--brand-soft);border-radius:999px;padding:3px 10px;align-self:flex-start}
.post-card h3{font-size:15.5px;margin:0;line-height:1.5}
.post-card p{font-size:13.4px;color:var(--muted);margin:0;line-height:1.75}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}
.post-more{font-weight:700;color:var(--brand-2)}
.empty-tip{font-size:14px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--r);padding:26px;text-align:center;margin:0}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--r-lg);
 padding:52px 42px;color:#fff;
 background:url('/assets/images/backpic/back-6.webp') center/cover no-repeat;
 box-shadow:var(--sh-2);
}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(8,32,44,.95),rgba(10,80,86,.82));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(21px,2.5vw,28px);margin-bottom:12px}
.cta-band p{color:#cfe5ec;font-size:14.6px;line-height:1.85;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.cta-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px}
.cta-points span{font-size:13px;color:#bfe2e8;display:inline-flex;align-items:center;gap:7px}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ 页脚 ============ */
.site-footer{background:#0c1a27;color:#a9c2d0;padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px;color:#fff;margin-bottom:14px}
.site-footer p{font-size:13.5px;line-height:1.85;color:#96b0c0;margin:0;max-width:420px}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13.5px;color:#96b0c0;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#8ee0e6;transform:translateX(2px)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;font-size:12.8px;color:#7d97a8}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:32px}
 .hero{padding:140px 0 84px}
 .spec-layout{grid-template-columns:1fr}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .step-grid{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .cta-inner{grid-template-columns:1fr}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .nav-toggle{display:flex}
 .dock{flex-wrap:wrap;row-gap:12px}
 .nav-links{
   order:5;width:100%;margin-left:0;flex-direction:column;align-items:stretch;
   display:none;padding-top:10px;border-top:1px solid var(--line);
 }
 .dock.is-open .nav-links{display:flex}
 .nav-links a{padding:11px 14px;border-radius:10px}
 .nav-cta{margin-left:auto}
 .hero{margin-top:-84px;padding:130px 0 72px}
 .section{padding:56px 0}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .cta-band{padding:38px 24px}
 table.spec thead th,table.spec tbody td{padding:11px 12px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .brand small{display:none}
 .brand{font-size:15px}
 .grid-4,.step-grid{grid-template-columns:1fr}
 .hero h1{font-size:25px}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .build-card{padding:18px}
 .build-head{flex-direction:column;align-items:flex-start}
 .btn{min-height:42px}
 .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
 --ink:#0e1b2a;
 --ink-2:#2a3f55;
 --muted:#6a7f96;
 --brand:#0e7c86;
 --brand-2:#0a5b63;
 --brand-soft:#e6f3f4;
 --accent:#f0a03c;
 --accent-2:#d6861f;
 --bg:#f4f8fb;
 --bg-2:#e9f1f6;
 --card:#ffffff;
 --line:#e1eaf2;
 --r-lg:18px;
 --r:12px;
 --r-sm:10px;
 --sh-1:0 2px 10px rgba(14,27,42,.05);
 --sh-2:0 14px 32px rgba(14,27,42,.10);
 --sh-3:0 22px 50px rgba(14,27,42,.18);
 --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
 margin:0;
 font-family:var(--ff);
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.32;font-weight:800;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
:focus-visible{outline:3px solid rgba(14,124,134,.42);outline-offset:3px;border-radius:6px}

.wrap{width:min(1200px,92%);margin:0 auto}

/* ============ 导航 Dock ============ */
.site-header{position:sticky;top:14px;z-index:1030;background:transparent}
.dock{
 display:flex;align-items:center;gap:16px;
 padding:9px 12px 9px 18px;
 background:rgba(255,255,255,.95);
 border:1px solid var(--line);
 border-radius:999px;
 box-shadow:var(--sh-1);
 backdrop-filter:saturate(1.4) blur(12px);
 transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--sh-2);border-color:#cfe3ea;background:rgba(255,255,255,.99)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand:hover{color:var(--brand-2)}
.brand-mark{
 width:32px;height:32px;flex:none;border-radius:10px;
 background:linear-gradient(140deg,var(--brand),#16a5ad);
 color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;
 box-shadow:0 6px 14px rgba(14,124,134,.28);
}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.03em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-2)}
.nav-links a.active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,124,134,.28)}
.nav-cta{flex:none}
.nav-toggle{
 display:none;width:42px;height:42px;flex:none;border-radius:12px;
 border:1px solid var(--line);background:#fff;cursor:pointer;
 align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:.2s}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px;
 border:1px solid transparent;cursor:pointer;line-height:1.2;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,124,134,.26)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,124,134,.32)}
.btn-accent{background:var(--accent);color:#3f2607;box-shadow:0 8px 20px rgba(240,160,60,.32)}
.btn-accent:hover{background:var(--accent-2);color:#301c04;transform:translateY(-2px);box-shadow:0 14px 26px rgba(240,160,60,.36)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-line:hover{border-color:var(--brand);color:var(--brand-2);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:13.5px;border-radius:9px}
.btn:active{transform:translateY(0)}

/* ============ 分类 Hero ============ */
.cat-hero{
 position:relative;
 margin-top:-84px;
 padding:152px 0 104px;
 color:#fff;
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 overflow:hidden;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(7,22,36,.96) 0%,rgba(9,48,60,.90) 48%,rgba(12,82,88,.70) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.crumb{display:flex;gap:8px;align-items:center;font-size:12.5px;color:#9dc9d2;margin-bottom:16px;letter-spacing:.02em}
.crumb a{color:#bfe3ea}
.crumb a:hover{color:#fff}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;
 color:#8ee0e6;text-transform:uppercase;margin-bottom:14px;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:#8ee0e6;border-radius:2px}
.cat-hero h1{font-size:clamp(27px,3.6vw,42px);color:#fff;line-height:1.3;margin-bottom:18px}
.hero-lead{font-size:15.5px;color:#cfe5ec;line-height:1.85;max-width:580px;margin-bottom:24px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap}
.pill{
 display:inline-flex;align-items:center;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);color:#e2f4f7;
}

/* 等级徽章面板（黑金感） */
.rank-panel{
 background:linear-gradient(165deg,#101d2b 0%,#0c2732 62%,#0a3b3f 100%);
 border:1px solid rgba(240,160,60,.34);
 border-radius:var(--r-lg);
 padding:24px;
 box-shadow:0 26px 60px rgba(3,14,22,.55);
 color:#eaf5f8;
}
.rank-top{display:flex;align-items:center;gap:14px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:16px}
.rank-badge{
 width:54px;height:54px;flex:none;border-radius:16px;display:grid;place-items:center;
 font-size:21px;font-weight:800;color:#2a1a03;
 background:linear-gradient(150deg,#f7c766,#e09a22);
 box-shadow:0 10px 22px rgba(240,160,60,.35),inset 0 1px 0 rgba(255,255,255,.6);
}
.rank-top strong{display:block;font-size:16px;color:#fff;margin-bottom:2px}
.rank-top span{font-size:12.5px;color:#9dc0cb;letter-spacing:.02em}
.rank-list{list-style:none;padding:0;margin:0 0 18px}
.rank-list li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.10)}
.rank-list li:last-child{border-bottom:0}
.rank-list span{color:#9dc0cb}
.rank-list b{color:#ffd489;font-weight:700}
.rank-note{font-size:12px;color:#8aacb7;text-align:center;margin:12px 0 0}

/* ============ 板块基础 ============ */
.section{padding:76px 0}
.section--alt{background:#fff}
.section--tint{background:var(--bg-2)}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand);
 margin-bottom:12px;text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px}
.sec-title{font-size:clamp(22px,2.7vw,30px);margin-bottom:12px}
.sec-desc{color:var(--ink-2);font-size:15px;margin:0}

/* ============ 网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

/* ============ 概览 ============ */
.overview-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.overview-copy p{color:var(--ink-2);font-size:15px}
.overview-copy strong{color:var(--brand-2);font-weight:700}
.divider-line{height:1px;background:var(--line);margin:22px 0}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.stat-box{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:20px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-box:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.stat-num small{font-size:13px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px}

/* ============ 关卡分层卡 ============ */
.tier-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
 box-shadow:var(--sh-1);overflow:hidden;height:100%;
 display:flex;flex-direction:column;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.tier-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.tier-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.tier-card:hover .tier-media img{transform:scale(1.05)}
.tier-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,24,38,0) 38%,rgba(8,24,38,.62) 100%)}
.tier-level{
 position:absolute;top:12px;left:12px;z-index:2;
 font-size:12px;font-weight:700;letter-spacing:.06em;
 padding:5px 11px;border-radius:999px;
 background:rgba(255,255,255,.93);color:var(--brand-2);
}
.tier-name{
 position:absolute;left:16px;bottom:12px;z-index:2;color:#fff;
 font-size:16px;font-weight:800;margin:0;text-shadow:0 2px 10px rgba(0,0,0,.35);
}
.tier-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.tier-body p{font-size:14px;color:var(--ink-2);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
 background:var(--brand-soft);color:var(--brand-2);border:1px solid #d3e8ea;
}
.tag.gold{background:#fdf2df;color:#9a6412;border-color:#f4ddb8}

/* ============ 出场节奏 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:flow}
.flow-item{
 position:relative;background:var(--card);border:1px solid var(--line);
 border-radius:var(--r);padding:24px 20px 22px;box-shadow:var(--sh-1);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.flow-num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
 background:var(--brand);color:#fff;font-weight:800;font-size:14px;margin-bottom:14px;
 box-shadow:0 8px 16px rgba(14,124,134,.24);
}
.flow-item h3{font-size:16px;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:var(--ink-2);margin:0}

/* ============ 场景卡 ============ */
.scene-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:24px 22px;box-shadow:var(--sh-1);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.scene-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-2);margin-bottom:16px;
}
.scene-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.scene-card h3{font-size:16.5px;margin-bottom:8px}
.scene-card p{font-size:13.8px;color:var(--ink-2);margin:0}

/* ============ 精选打法 ============ */
.pick-card{
 display:grid;grid-template-columns:150px 1fr;gap:0;
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 overflow:hidden;box-shadow:var(--sh-1);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.pick-media{position:relative;overflow:hidden;background:var(--bg-2);min-height:150px}
.pick-media img{width:100%;height:100%;object-fit:cover}
.pick-body{padding:20px}
.pick-body h3{font-size:16px;margin-bottom:8px}
.pick-body p{font-size:13.5px;color:var(--ink-2);margin-bottom:12px}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-1);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe3ea;box-shadow:var(--sh-2)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;
 font-weight:700;font-size:15px;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:"+";font-size:20px;font-weight:500;color:var(--brand);
 line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";color:var(--brand-2)}
.faq-item summary:hover{color:var(--brand-2)}
.faq-answer{padding:0 22px 20px;font-size:14px;color:var(--ink-2);line-height:1.85}

/* ============ 口碑 ============ */
.quote-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 padding:24px 22px;box-shadow:var(--sh-1);height:100%;
 display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.quote-mark{font-size:34px;line-height:1;color:var(--brand-soft);font-weight:800;margin-bottom:6px}
.quote-card p{font-size:14px;color:var(--ink-2);flex:1}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.avatar-dot{
 width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
 background:linear-gradient(140deg,var(--brand),#16a5ad);color:#fff;font-size:13px;font-weight:700;
}
.quote-meta strong{display:block;font-size:13.5px;color:var(--ink)}
.quote-meta span{font-size:12px;color:var(--muted)}

/* ============ 最新发布 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--r);
 box-shadow:var(--sh-1);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe3ea}
.post-link{display:flex;flex-direction:column;height:100%;padding:22px;color:inherit}
.post-link:hover{color:inherit}
.post-cat{
 align-self:flex-start;font-size:12px;font-weight:700;
 padding:4px 11px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-2);margin-bottom:12px;
}
.post-card h3{font-size:16px;margin-bottom:8px;line-height:1.45}
.post-card p{font-size:13.5px;color:var(--ink-2);margin-bottom:14px;flex:1}
.post-meta{font-size:12.5px;color:var(--muted)}
.empty-note{
 text-align:center;color:var(--muted);font-size:14px;
 padding:28px;border:1px dashed var(--line);border-radius:var(--r);background:#fff;
}
.more-row{display:flex;justify-content:center;margin-top:32px}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--r-lg);
 background:linear-gradient(118deg,#0b1d2c 0%,#0a3f47 58%,#0a5b63 100%);
 color:#fff;padding:52px 48px;
 box-shadow:var(--sh-3);
 display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(240,160,60,.30),rgba(240,160,60,0) 68%);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.5vw,28px);margin-bottom:12px}
.cta-band p{color:#c6dfe6;font-size:14.5px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;justify-content:flex-end}

/* ============ 页脚 ============ */
.site-footer{background:#0b1a27;color:#a9c1cf;margin-top:0;padding:60px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.site-footer p{color:#94afbf;line-height:1.85;margin:0;max-width:420px;font-size:13.5px}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#a9c1cf;font-size:13.5px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:#7fd8df;transform:translateX(2px)}
.footer-bottom{
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:22px;font-size:12.5px;color:#7c95a6;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-lead{max-width:100%}
 .overview-grid{grid-template-columns:1fr;gap:28px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .flow-grid{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:42px 32px}
 .cta-actions{justify-content:flex-start}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .dock{border-radius:18px;flex-wrap:wrap;padding:10px 14px}
 .nav-links{
  order:5;flex-basis:100%;flex-direction:column;align-items:stretch;
  margin-left:0;gap:4px;display:none;padding-top:10px;border-top:1px solid var(--line);margin-top:8px;
 }
 .dock.is-open .nav-links{display:flex}
 .nav-links a{padding:11px 14px;border-radius:10px;font-size:14.5px}
 .nav-cta{margin-left:auto;padding:8px 14px;font-size:13px}
 .cat-hero{padding:132px 0 78px}
 .cat-hero::after{display:none}
}
@media (max-width:768px){
 .section{padding:56px 0}
 .grid-2,.grid-3,.grid-4,.flow-grid,.post-grid{grid-template-columns:1fr}
 .pick-card{grid-template-columns:1fr}
 .pick-media{min-height:160px;aspect-ratio:16/9}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .cta-band{padding:34px 24px;border-radius:var(--r)}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .brand{font-size:15.5px}
 .brand small{font-size:10.5px}
}
@media (max-width:520px){
 .cat-hero{padding:120px 0 66px}
 .hero-actions .btn{flex:1 1 100%}
 .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
 .stat-num{font-size:23px}
 .rank-panel{padding:18px}
 .sec-head{margin-bottom:26px}
 .btn{padding:10px 18px}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* 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}