:root{
  --main:#2563eb;
  --accent:#06b6d4;
  --bg:#f8fafc;
  --ink:#0f172a;
  --ink-soft:#475569;
  --line:#e2e8f0;
  --card:#ffffff;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-soft:0 6px 18px rgba(15,23,42,.06);
  --shadow-hover:0 16px 36px rgba(37,99,235,.16);
  --font-title:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-body:"Inter","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.serif{font-family:var(--font-title);letter-spacing:.2px}
a{text-decoration:none}
.section{padding:76px 0;position:relative}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* ==== 细点阵 / 网格装饰 ==== */
.dot-grid{
  background-image:radial-gradient(rgba(37,99,235,.16) 1px,transparent 1px);
  background-size:22px 22px;
}
.line-grid{
  background-image:linear-gradient(rgba(37,99,235,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.07) 1px,transparent 1px);
  background-size:48px 48px;
}

/* ==== 导航 ==== */
.nav-shell{
  position:sticky;top:0;z-index:1000;
  background:rgba(248,250,252,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.nav-shell.scrolled{box-shadow:0 6px 22px rgba(15,23,42,.08)}
.nav-inner{max-width:1180px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:18px}
.brand-mark{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-title);
  font-size:1.32rem;font-weight:700;color:var(--ink);
  white-space:nowrap;
}
.brand-mark .logo-badge{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:1rem;box-shadow:0 6px 16px rgba(37,99,235,.3);
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  padding:8px 16px;border-radius:var(--radius-pill);
  color:var(--ink-soft);font-size:.94rem;font-weight:500;
  transition:.22s ease;
}
.nav-links a:hover{color:var(--main);background:rgba(37,99,235,.08)}
.nav-links a.active{color:#fff;background:linear-gradient(135deg,var(--main),var(--accent))}
.nav-toggle{
  display:none;margin-left:auto;border:1px solid var(--line);background:#fff;
  width:42px;height:42px;border-radius:12px;color:var(--ink);font-size:1.05rem;
}
@media(max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    display:none;width:100%;margin-left:0;padding:10px 0 6px;
    flex-direction:column;align-items:stretch;gap:4px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 16px;text-align:left}
}

/* ==== HERO 双色分屏 ==== */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-split{display:grid;grid-template-columns:1.02fr .98fr;min-height:640px}
.hero-left{
  position:relative;
  padding:74px 22px 70px;
  display:flex;align-items:center;
  background:var(--bg);
}
.hero-left-inner{max-width:560px;margin-left:auto;padding-right:26px}
.hero-right{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,#1d4ed8 0%,#2563eb 42%,#06b6d4 100%);
  display:flex;align-items:center;justify-content:center;
  padding:56px 30px;
}
.hero-right::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:24px 24px;opacity:.55;pointer-events:none;
}
.parallax-layer{
  position:absolute;inset:-12% -6%;
  background-image:radial-gradient(rgba(37,99,235,.14) 1px,transparent 1px);
  background-size:26px 26px;
  will-change:transform;pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--main);font-size:.84rem;font-weight:600;
  box-shadow:var(--shadow-soft);margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2rem,3.4vw,2.85rem);
  line-height:1.42;margin:0 0 18px;font-weight:700;
}
.hero h1 em{font-style:normal;color:var(--main)}
.hero-lede{font-size:1.04rem;color:var(--ink-soft);margin:0 0 28px;max-width:520px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.stat-chip{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:14px 20px;min-width:120px;box-shadow:var(--shadow-soft);
}
.stat-chip b{display:block;font-size:1.6rem;line-height:1.2;color:var(--main);font-family:var(--font-title)}
.stat-chip span{font-size:.82rem;color:var(--ink-soft)}
.btn-soft, .btn-solid{
  display:inline-flex;align-items:center;gap:9px;
  border-radius:var(--radius-pill);
  padding:12px 26px;font-size:.96rem;font-weight:600;
  transition:.24s ease;border:1px solid transparent;
}
.btn-solid{background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;box-shadow:0 10px 24px rgba(37,99,235,.28)}
.btn-solid:hover{transform:translateY(-2px);color:#fff;box-shadow:0 16px 32px rgba(37,99,235,.34)}
.btn-soft{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-soft:hover{color:var(--main);border-color:rgba(37,99,235,.4);transform:translateY(-2px)}
.hero-cover-wall{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:430px;
}
.cover-card{
  border-radius:var(--radius-md);overflow:hidden;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 14px 30px rgba(2,32,84,.25);
  transition:.32s ease;
}
.cover-card:hover{transform:translateY(-6px);box-shadow:0 24px 44px rgba(2,32,84,.34)}
.cover-card img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}
.cover-card span{
  display:block;padding:9px 12px;color:#fff;font-size:.82rem;font-weight:600;
  background:rgba(15,23,42,.28);
}
.cover-card:nth-child(2){transform:translateY(20px)}
.cover-card:nth-child(2):hover{transform:translateY(12px)}
.cover-card:nth-child(3){transform:translateY(-12px)}
.cover-card:nth-child(3):hover{transform:translateY(-18px)}
@media(max-width:900px){
  .hero-split{grid-template-columns:1fr}
  .hero-left{padding:52px 0 44px}
  .hero-left-inner{margin:0;padding:0 22px;max-width:100%}
  .hero-right{padding:44px 22px;min-height:380px}
}

/* ==== 通用区块标题 ==== */
.sec-head{max-width:720px;margin-bottom:42px}
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.8rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px;
}
.sec-head h2{font-size:clamp(1.5rem,2.3vw,1.95rem);margin:0 0 12px;line-height:1.5}
.sec-head p{margin:0;color:var(--ink-soft);font-size:1rem}

/* ==== 使用说明：步骤条 ==== */
.step-rail{position:relative;display:grid;gap:16px}
.step-item{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:26px 26px 26px 22px;
  box-shadow:var(--shadow-soft);transition:.28s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.28)}
.step-num{
  flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(6,182,212,.18));
  color:var(--main);font-family:var(--font-title);font-weight:700;font-size:1.1rem;
  display:flex;align-items:center;justify-content:center;
}
.step-body h3{font-size:1.08rem;margin:0 0 7px}
.step-body p{margin:0;color:var(--ink-soft);font-size:.95rem}
@media(max-width:560px){
  .step-item{flex-direction:column;gap:14px;padding:22px}
}

/* ==== 特色卡片网格 ==== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:28px 24px;box-shadow:var(--shadow-soft);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  height:100%;
}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.3)}
.feature-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;color:#fff;margin-bottom:18px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  box-shadow:0 10px 22px rgba(37,99,235,.24);
}
.feature-card h3{font-size:1.06rem;margin:0 0 10px}
.feature-card p{margin:0 0 14px;color:var(--ink-soft);font-size:.93rem}
.feature-meta{font-size:.8rem;color:var(--accent);font-weight:700;letter-spacing:.6px}
@media(max-width:900px){.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.feature-grid{grid-template-columns:1fr}}

/* ==== 长文区 ==== */
.longread{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:52px 48px;box-shadow:var(--shadow-soft);
}
.longread h2{font-size:clamp(1.5rem,2.2vw,1.9rem);margin:0 0 22px;line-height:1.5}
.longread h3{font-size:1.14rem;margin:34px 0 12px;color:var(--ink)}
.longread p{color:var(--ink-soft);font-size:1rem;line-height:1.95;margin:0 0 16px}
.longread .quote-strip{
  border-left:3px solid var(--accent);
  padding:6px 0 6px 20px;margin:26px 0;
  color:var(--ink);font-family:var(--font-title);font-size:1.02rem;
}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag-pill{
  padding:6px 15px;border-radius:var(--radius-pill);
  background:rgba(37,99,235,.08);color:var(--main);
  font-size:.82rem;font-weight:600;
}
@media(max-width:620px){.longread{padding:32px 22px}}

/* ==== FAQ ==== */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:.26s ease;
}
.faq-item:hover{border-color:rgba(37,99,235,.3);box-shadow:0 10px 26px rgba(37,99,235,.1)}
.faq-q{
  width:100%;text-align:left;background:none;border:0;
  padding:20px 24px;font-size:1rem;font-weight:600;color:var(--ink);
  display:flex;align-items:center;gap:14px;cursor:pointer;font-family:var(--font-body);
}
.faq-q .badge-q{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-size:.78rem;display:flex;align-items:center;justify-content:center;
}
.faq-q .chev{margin-left:auto;color:var(--ink-soft);transition:transform .28s ease}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{margin:0;padding:0 24px 22px 66px;color:var(--ink-soft);font-size:.95rem;line-height:1.9}
@media(max-width:560px){.faq-a p{padding:0 20px 20px 20px}}

/* ==== CTA ==== */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:26px;padding:64px 44px;text-align:center;
  background:linear-gradient(140deg,#1e40af,#2563eb 46%,#06b6d4);
  color:#fff;box-shadow:0 24px 56px rgba(37,99,235,.3);
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.2) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-block > *{position:relative;z-index:2}
.cta-block h2{font-size:clamp(1.5rem,2.4vw,2.05rem);margin:0 0 14px;color:#fff}
.cta-block p{max-width:620px;margin:0 auto 28px;color:rgba(255,255,255,.88);font-size:1rem}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.btn-light{
  background:#fff;color:var(--main);border-radius:var(--radius-pill);
  padding:13px 30px;font-weight:700;font-size:.96rem;
  display:inline-flex;align-items:center;gap:9px;transition:.24s ease;
}
.btn-light:hover{transform:translateY(-2px);color:var(--main);box-shadow:0 14px 30px rgba(2,32,84,.24)}
.btn-outline-light2{
  border:1px solid rgba(255,255,255,.55);color:#fff;border-radius:var(--radius-pill);
  padding:13px 30px;font-weight:600;font-size:.96rem;
  display:inline-flex;align-items:center;gap:9px;transition:.24s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
@media(max-width:620px){.cta-block{padding:44px 22px}}

/* ==== 友链 ==== */
.friend-links{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:38px 0;
}
.friend-links h3{
  font-size:.95rem;letter-spacing:1.2px;color:var(--ink-soft);
  margin:0 0 14px;font-weight:700;
}
.friend-links .links-line{
  color:var(--ink-soft);font-size:.92rem;line-height:2;
  padding:16px 20px;border-radius:var(--radius-md);
  background:var(--bg);border:1px dashed var(--line);
}

/* ==== 页脚 ==== */
.site-footer{background:var(--bg);padding:52px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot-brand p{color:var(--ink-soft);font-size:.92rem;margin:14px 0 0;max-width:340px}
.foot-col h4{font-size:.92rem;margin:0 0 14px;color:var(--ink);letter-spacing:.6px}
.foot-col a{display:block;color:var(--ink-soft);font-size:.9rem;padding:4px 0;transition:.2s}
.foot-col a:hover{color:var(--main);transform:translateX(3px)}
.foot-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:var(--ink-soft);font-size:.86rem;
}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.foot-grid{grid-template-columns:1fr}}

/* ==== 回到顶部 ==== */
#toTop{
  position:fixed;right:22px;bottom:26px;z-index:1200;
  width:48px;height:48px;border-radius:50%;border:0;
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-size:1rem;display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(37,99,235,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.32s ease;cursor:pointer;
}
#toTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{transform:translateY(-3px)}

/* --- 子页面追加 --- */
.rank-hero {padding:64px 0 40px;}
.rank-hero h1 {font-family:var(--font-title);font-size:clamp(30px,4.2vw,50px);line-height:1.2;color:var(--ink);margin:14px 0 18px;}
.rank-hero p {color:var(--ink-soft);font-size:17px;line-height:1.85;max-width:720px;}
.rank-tabs {display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 0;}
.rank-tabs a {padding:9px 20px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--card);color:var(--ink-soft);font-size:14px;font-weight:600;text-decoration:none;transition:.25s;}
.rank-tabs a:hover {border-color:var(--main);color:var(--main);box-shadow:var(--shadow-soft);}
.rank-tabs a.on {background:var(--main);border-color:var(--main);color:#fff;box-shadow:var(--shadow-hover);}
.rank-list {display:flex;flex-direction:column;gap:14px;margin-top:34px;}
.rank-item {display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 20px;box-shadow:var(--shadow-soft);transition:.28s;}
.rank-item:hover {transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(37,99,235,.35);}
.rank-no {flex:0 0 46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;background:#eef2ff;color:var(--main);font-family:var(--font-body);}
.rank-item:nth-child(1) .rank-no {background:linear-gradient(135deg,#2563eb,#06b6d4);color:#fff;}
.rank-item:nth-child(2) .rank-no {background:linear-gradient(135deg,#3b82f6,#22d3ee);color:#fff;}
.rank-item:nth-child(3) .rank-no {background:linear-gradient(135deg,#60a5fa,#67e8f9);color:#fff;}
.rank-body {flex:1;min-width:0;}
.rank-body h3 {font-size:17px;color:var(--ink);margin:0 0 6px;font-weight:700;font-family:var(--font-body);}
.rank-body p {margin:0;font-size:13.5px;color:var(--ink-soft);line-height:1.6;}
.rank-meta {display:flex;flex-direction:column;gap:6px;align-items:flex-end;flex:0 0 auto;}
.rank-score {font-weight:800;color:var(--main);font-size:19px;line-height:1;}
.rank-tag {font-size:12px;color:var(--ink-soft);background:var(--bg);border:1px solid var(--line);padding:3px 10px;border-radius:var(--radius-pill);white-space:nowrap;}
.rank-note {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-soft);margin-top:26px;}
.rank-note p {margin:0;font-size:14px;color:var(--ink-soft);line-height:1.85;}
.rule-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px;}
.rule-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-soft);transition:.28s;}
.rule-card:hover {box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.rule-card i {font-size:22px;color:var(--accent);margin-bottom:14px;display:block;}
.rule-card h3 {font-size:16px;color:var(--ink);margin:0 0 10px;font-weight:700;}
.rule-card p {font-size:14px;color:var(--ink-soft);line-height:1.8;margin:0;}
.faq-rank {display:flex;flex-direction:column;gap:12px;margin-top:32px;}
.faq-rank .q {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 22px;box-shadow:var(--shadow-soft);}
.faq-rank .q h3 {font-size:15.5px;margin:0 0 8px;color:var(--ink);font-weight:700;}
.faq-rank .q p {margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8;}
.rule-grid {grid-template-columns:1fr;}
.rank-item {flex-wrap:wrap;}
.rank-meta {align-items:flex-start;flex-direction:row;gap:10px;}
.rank-score {font-size:16px;}

/* --- 子页面追加 --- */
.rg-hero .hero-left-inner { max-width: 640px; }
.rg-toc {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      padding: 26px 28px;
    }
.rg-toc h3 {
      font-family: var(--font-title);
      font-size: 1.15rem;
      color: var(--ink);
      margin: 0 0 16px;
    }
.rg-toc ol { margin: 0; padding-left: 20px; }
.rg-toc li { margin-bottom: 10px; color: var(--ink-soft); line-height: 1.6; }
.rg-toc a { color: var(--main); text-decoration: none; font-weight: 500; }
.rg-toc a:hover { color: var(--accent); }
.guide-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      padding: 30px 32px;
      height: 100%;
      transition: transform .25s ease, box-shadow .25s ease;
    }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.guide-card .step-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px; height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--main), var(--accent));
      color: #fff;
      font-weight: 800;
      font-size: 1rem;
      margin-bottom: 16px;
      font-family: var(--font-body);
    }
.guide-card h3 {
      font-family: var(--font-title);
      font-size: 1.28rem;
      color: var(--ink);
      margin-bottom: 12px;
    }
.guide-card p { color: var(--ink-soft); line-height: 1.85; margin-bottom: 0; font-size: .96rem; }
.guide-card ul { color: var(--ink-soft); line-height: 1.85; font-size: .96rem; margin: 12px 0 0; padding-left: 20px; }
.guide-card li { margin-bottom: 6px; }
.rg-body h2 {
      font-family: var(--font-title);
      font-size: 1.75rem;
      color: var(--ink);
      margin-bottom: 14px;
      line-height: 1.35;
    }
.rg-body h3 {
      font-family: var(--font-title);
      font-size: 1.22rem;
      color: var(--ink);
      margin: 26px 0 10px;
    }
.rg-body p { color: var(--ink-soft); line-height: 1.95; font-size: 1rem; margin-bottom: 14px; }
.rg-body p strong { color: var(--ink); font-weight: 600; }
.tip-box {
      background: linear-gradient(135deg, rgba(37,99,235,.06), rgba(6,182,212,.06));
      border-left: 4px solid var(--main);
      border-radius: 0 12px 12px 0;
      padding: 18px 22px;
      margin: 22px 0;
    }
.tip-box p { margin-bottom: 0; color: var(--ink); font-size: .95rem; }
.tip-box i { color: var(--main); margin-right: 8px; }
.faq-item h3 {
      font-family: var(--font-body);
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 10px;
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
.faq-item h3 i { color: var(--accent); font-size: .95rem; margin-top: 3px; }
.faq-item p { color: var(--ink-soft); line-height: 1.85; font-size: .95rem; margin: 0; padding-left: 26px; }
.feature-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-pill);
      padding: 10px 18px;
      color: var(--ink-soft);
      font-size: .9rem;
      font-weight: 500;
      box-shadow: var(--shadow-soft);
      margin: 0 10px 12px 0;
    }
.feature-pill i { color: var(--main); }
.cta-band {
      background: linear-gradient(135deg, var(--main), var(--accent));
      border-radius: var(--radius-md);
      padding: 44px 40px;
      color: #fff;
      box-shadow: var(--shadow-hover);
    }
.cta-band h2 {
      font-family: var(--font-title);
      color: #fff;
      font-size: 1.6rem;
      margin-bottom: 12px;
    }
.cta-band p { color: rgba(255,255,255,.9); margin-bottom: 22px; line-height: 1.8; }
.cta-band .btn-solid {
      background: #fff;
      color: var(--main);
      border: none;
      font-weight: 700;
    }
.cta-band .btn-solid:hover { background: var(--bg); color: var(--main); }
.guide-card { padding: 24px 22px; }
.rg-toc { padding: 20px 22px; }
.rg-body h2 { font-size: 1.45rem; }
.cta-band { padding: 32px 24px; }
.cta-band h2 { font-size: 1.3rem; }

/* --- 子页面追加 --- */
.about-hero {padding:72px 0 48px;position:relative;overflow:hidden}
.about-hero .hero-eyebrow {margin-bottom:14px}
.about-hero h1 {font-family:var(--font-title);font-size:clamp(1.9rem,4.2vw,3.1rem);line-height:1.25;color:var(--ink);margin:0 0 18px;letter-spacing:.01em}
.about-hero h1 em {font-style:normal;color:var(--main)}
.about-hero p.hero-lede {max-width:720px;color:var(--ink-soft);font-size:1.02rem;line-height:1.85;margin:0}
.about-hero .hero-stats {display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-chip strong {color:var(--main);font-weight:700;margin-right:4px}
.about-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:28px}
.about-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 24px;box-shadow:var(--shadow-soft);transition:.25s ease;height:100%}
.about-card:hover {box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(37,99,235,.24)}
.about-card .ic {width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.05rem;color:#fff;background:linear-gradient(135deg,var(--main),var(--accent));margin-bottom:16px}
.about-card h3 {font-size:1.06rem;color:var(--ink);margin:0 0 10px;font-weight:700}
.about-card p {font-size:.9rem;line-height:1.8;color:var(--ink-soft);margin:0}
.about-block {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:34px 32px;box-shadow:var(--shadow-soft);margin-top:26px}
.about-block h2 {font-family:var(--font-title);font-size:1.42rem;color:var(--ink);margin:0 0 16px;line-height:1.4}
.about-block h2 span {color:var(--main)}
.about-block p {color:var(--ink-soft);line-height:1.9;font-size:.94rem;margin:0 0 14px}
.about-block p:last-child {margin-bottom:0}
.about-list {list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.about-list li {display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--ink-soft);line-height:1.75}
.about-list li i {color:var(--accent);margin-top:4px;font-size:.85rem;flex-shrink:0}
.about-list li b {color:var(--ink);font-weight:600}
.about-timeline {display:grid;gap:0;margin-top:20px;border-left:2px solid var(--line);padding-left:24px}
.tl-item {position:relative;padding:0 0 24px}
.tl-item:last-child {padding-bottom:0}
.tl-item::before {content:"";position:absolute;left:-31px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--main);border:3px solid var(--bg);box-shadow:0 0 0 2px rgba(37,99,235,.18)}
.tl-item h4 {font-size:.98rem;color:var(--ink);margin:0 0 6px;font-weight:700}
.tl-item p {font-size:.88rem;color:var(--ink-soft);line-height:1.75;margin:0}
.about-cta {margin-top:34px;background:linear-gradient(120deg,rgba(37,99,235,.08),rgba(6,182,212,.08));border:1px solid rgba(37,99,235,.16);border-radius:var(--radius-md);padding:30px 32px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.about-cta h3 {font-family:var(--font-title);font-size:1.2rem;color:var(--ink);margin:0 0 6px}
.about-cta p {margin:0;color:var(--ink-soft);font-size:.9rem}
.about-cta .btns {display:flex;gap:12px;flex-wrap:wrap}
.about-hero {padding:48px 0 32px}
.about-block {padding:24px 20px}
.about-cta {padding:24px 20px}

/* --- 子页面追加 --- */
.legal-hero {padding:120px 0 48px;background:
    radial-gradient(900px 420px at 85% -10%,rgba(37,99,235,.12),transparent 60%),
    radial-gradient(700px 380px at 5% 0%,rgba(6,182,212,.10),transparent 55%);
  }
.legal-hero h1 {font-family:var(--font-title);font-size:clamp(30px,4.4vw,46px);line-height:1.25;margin:14px 0 16px;}
.legal-hero h1 .hl {color:var(--main);}
.legal-lede {color:var(--ink-soft);font-size:17px;line-height:1.85;max-width:760px;}
.legal-meta {margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.legal-meta span {display:inline-flex;align-items:center;gap:7px;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius-pill);padding:7px 15px;
    font-size:13.5px;color:var(--ink-soft);box-shadow:var(--shadow-soft);}
.legal-meta i {color:var(--accent);}
.legal-body {padding:8px 0 80px;}
.legal-wrap {display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start;}
.legal-toc {position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-md);padding:22px 20px;box-shadow:var(--shadow-soft);}
.legal-toc h3 {font-size:14px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--ink-soft);margin:0 0 14px;font-weight:700;}
.legal-toc a {display:block;padding:8px 10px;border-radius:10px;color:var(--ink-soft);
    font-size:14.5px;text-decoration:none;transition:.2s;}
.legal-toc a:hover {background:rgba(37,99,235,.08);color:var(--main);}
.legal-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:32px 34px;box-shadow:var(--shadow-soft);margin-bottom:26px;scroll-margin-top:96px;}
.legal-card h2 {font-family:var(--font-title);font-size:23px;margin:0 0 14px;
    display:flex;align-items:flex-start;gap:12px;line-height:1.4;}
.legal-card h2 .num {flex:0 0 auto;width:30px;height:30px;border-radius:10px;
    background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;
    display:grid;place-items:center;font-family:var(--font-body);font-size:14px;font-weight:700;margin-top:2px;}
.legal-card p {color:var(--ink-soft);line-height:1.9;margin:0 0 12px;font-size:15.5px;}
.legal-card p:last-child {margin-bottom:0;}
.legal-card ul {margin:0 0 12px;padding-left:0;list-style:none;}
.legal-card li {position:relative;padding-left:24px;color:var(--ink-soft);line-height:1.9;
    font-size:15.5px;margin-bottom:8px;}
.legal-card li::before {content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;
    color:var(--accent);position:absolute;left:4px;top:1px;font-size:12px;}
.legal-note {background:rgba(37,99,235,.06);border-left:3px solid var(--main);
    border-radius:0 12px 12px 0;padding:14px 18px;color:var(--ink);font-size:15px;line-height:1.85;margin:14px 0 0;}
.legal-note strong {color:var(--main);}
.legal-cta {background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(6,182,212,.10));
    border:1px solid var(--line);border-radius:var(--radius-md);padding:30px 32px;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;}
.legal-cta h3 {font-family:var(--font-title);font-size:20px;margin:0 0 6px;}
.legal-cta p {margin:0;color:var(--ink-soft);font-size:14.5px;}
.legal-wrap {grid-template-columns:1fr;}
.legal-toc {position:static;}
.legal-card {padding:24px 20px;}
.legal-hero {padding:96px 0 36px;}