:root{
  --main:#2563eb;
  --accent:#06b6d4;
  --bg:#f8fafc;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --card:#ffffff;
  --radius:20px;
  --shadow-soft:0 10px 30px -12px rgba(37,99,235,.18),0 4px 12px -6px rgba(15,23,42,.08);
  --shadow-hover:0 22px 48px -18px rgba(37,99,235,.35),0 8px 20px -10px rgba(6,182,212,.25);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:14px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
p{margin:0 0 .6em;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px;}

/* ============ NAV ============ */
.nav-shell{
  position:sticky;top:0;z-index:50;
  background:rgba(248,250,252,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
.brand{
  display:flex;align-items:center;gap:8px;
  font-weight:900;font-size:17px;letter-spacing:-.03em;
  color:var(--ink);
}
.brand .logo-dot{
  width:30px;height:30px;border-radius:10px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;
  box-shadow:0 6px 16px -6px rgba(37,99,235,.7);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  padding:7px 13px;border-radius:12px;font-size:13px;font-weight:600;color:#334155;
  transition:.2s;
}
.nav-links a:hover{background:#fff;color:var(--main);box-shadow:var(--shadow-soft);}
.nav-links a.active{background:var(--main);color:#fff;box-shadow:0 8px 20px -8px rgba(37,99,235,.75);}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);border-radius:12px;
  width:40px;height:40px;font-size:15px;color:var(--ink);align-items:center;justify-content:center;
}
@media(max-width:860px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:10px 14px 16px;gap:2px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -18px rgba(15,23,42,.3);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:11px 14px;border-radius:12px;}
}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:40px 0 64px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(6,182,212,.18),transparent 62%),
    radial-gradient(760px 400px at 8% 0%,rgba(37,99,235,.20),transparent 65%),
    var(--bg);
}
.hero-cover{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 45%,#06b6d4 100%);
  box-shadow:var(--shadow-soft);
  min-height:320px;
  display:flex;align-items:flex-end;
  padding:26px;
}
.hero-cover::after{
  content:"";position:absolute;inset:0;
  background:
    repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.hero-cover::before{
  content:"";position:absolute;right:-60px;top:-70px;width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.34),transparent 68%);
}
.hero-title{
  position:relative;z-index:2;color:#fff;
  font-size:clamp(30px,5.2vw,54px);
  font-weight:900;letter-spacing:-.035em;line-height:1.05;
  text-shadow:0 12px 34px rgba(2,6,23,.35);
  max-width:640px;
}
.hero-title small{
  display:block;font-size:clamp(12px,1.5vw,15px);
  font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.85);margin-bottom:10px;
}
.hero-sub{
  position:relative;z-index:2;
  color:rgba(255,255,255,.92);font-size:13.5px;margin-top:12px;max-width:560px;
}
.tag-cloud{
  display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px;
}
.tag-cloud span{
  font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  background:#fff;color:#1e40af;
  border:1px solid rgba(37,99,235,.16);
  box-shadow:0 4px 12px -8px rgba(37,99,235,.6);
  animation:floaty 6s ease-in-out infinite;
}
.tag-cloud span:nth-child(2n){animation-delay:.6s;color:#0e7490;border-color:rgba(6,182,212,.22);}
.tag-cloud span:nth-child(3n){animation-delay:1.2s;}
.tag-cloud span:nth-child(4n){animation-delay:1.8s;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-4px);}}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:2;}
.btn-main{
  background:var(--main);color:#fff;border:none;
  padding:11px 22px;border-radius:14px;font-size:13.5px;font-weight:700;
  box-shadow:0 12px 26px -12px rgba(37,99,235,.9);
  transition:.22s;display:inline-flex;align-items:center;gap:8px;
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(37,99,235,.95);color:#fff;}
.btn-ghost{
  background:rgba(255,255,255,.92);color:#0f172a;
  padding:11px 22px;border-radius:14px;font-size:13.5px;font-weight:700;
  transition:.22s;display:inline-flex;align-items:center;gap:8px;
}
.btn-ghost:hover{background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}

/* ============ SECTION ============ */
.section{padding:56px 0;}
.section-head{margin-bottom:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--main);background:rgba(37,99,235,.09);
  padding:5px 12px;border-radius:999px;margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);}
.section-head p{color:var(--muted);font-size:13.5px;margin-top:8px;max-width:720px;}

/* wave divider */
.wave-sep{line-height:0;display:block;}
.wave-sep svg{display:block;width:100%;height:52px;}

/* ============ STATS ============ */
.stats-band{
  background:linear-gradient(135deg,#ffffff,#f1f5ff 55%,#ecfeff);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.stat-card{
  background:var(--card);border-radius:var(--radius);
  padding:20px 18px;text-align:left;
  box-shadow:var(--shadow-soft);border:1px solid rgba(226,232,240,.9);
  transition:.25s;
}
.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.stat-num{
  font-size:clamp(26px,3.6vw,36px);font-weight:900;letter-spacing:-.04em;
  background:linear-gradient(135deg,var(--main),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.stat-num .unit{font-size:15px;font-weight:800;margin-left:2px;-webkit-text-fill-color:var(--accent);}
.stat-label{font-size:12.5px;color:var(--muted);font-weight:600;margin-top:6px;}
@media(max-width:860px){.stats-grid{grid-template-columns:repeat(2,1fr);}}

/* ============ HOWTO ============ */
.howto{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
@media(max-width:900px){.howto{grid-template-columns:1fr;}}
.steps-list{
  background:var(--card);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-soft);border:1px solid rgba(226,232,240,.9);
}
.step{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);}
.step:last-child{border-bottom:none;padding-bottom:0;}
.step:first-child{padding-top:0;}
.step-no{
  flex:0 0 30px;height:30px;border-radius:10px;
  background:rgba(37,99,235,.1);color:var(--main);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:13px;
}
.step h4{font-size:14px;margin-bottom:2px;}
.step p{font-size:12.8px;color:var(--muted);margin:0;}
.side-article{
  background:var(--card);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow-soft);border:1px solid rgba(226,232,240,.9);
  display:flex;flex-direction:column;justify-content:space-between;
}
.side-article h3{font-size:17px;margin-bottom:10px;}
.side-article p{font-size:13px;color:#334155;}
.side-article .cols{
  columns:2;column-gap:20px;font-size:12.6px;color:var(--muted);margin-top:12px;
}
@media(max-width:520px){.side-article .cols{columns:1;}}

/* ============ FEATURES TABLE ============ */
.table-card{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-soft);border:1px solid rgba(226,232,240,.9);
}
.cmp-table{width:100%;border-collapse:collapse;font-size:13px;}
.cmp-table thead th{
  background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(6,182,212,.08));
  padding:14px 16px;text-align:left;font-weight:800;font-size:12.5px;
  color:#1e3a8a;border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp-table td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:#334155;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr{transition:.2s;}
.cmp-table tbody tr:hover{background:#f1f5ff;}
.cmp-table td:first-child{font-weight:700;color:var(--ink);white-space:nowrap;}
.yes{color:#0891b2;font-weight:800;}
.mid{color:#2563eb;font-weight:700;}
.table-scroll{overflow-x:auto;}

/* ============ PICKS ============ */
.pick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media(max-width:980px){.pick-grid{grid-template-columns:repeat(2,1fr);}}
.pick-card{
  background:var(--card);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-soft);border:1px solid rgba(226,232,240,.9);
  transition:.25s;
}
.pick-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.pick-thumb{
  position:relative;aspect-ratio:3/4;
  background:linear-gradient(135deg,#dbeafe,#e0f2fe);
  overflow:hidden;
}
.pick-thumb img{
  width:100%;height:100%;object-fit:cover;display:block;
  opacity:0;transition:opacity .6s ease, transform .5s ease;
}
.pick-thumb img.loaded{opacity:1;}
.pick-card:hover .pick-thumb img{transform:scale(1.05);}
.pick-body{padding:12px 14px 14px;}
.pick-body h4{font-size:13.5px;margin-bottom:4px;}
.pick-body p{font-size:12px;color:var(--muted);margin:0;}
.pick-tag{
  display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.06em;
  padding:2px 8px;border-radius:999px;margin-top:8px;
  background:rgba(6,182,212,.12);color:#0e7490;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);border-radius:16px;border:1px solid rgba(226,232,240,.9);
  box-shadow:var(--shadow-soft);overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  padding:16px 18px;font-size:13.8px;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;
}
.faq-q i{color:var(--main);font-size:12px;transition:.25s;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  padding:0 18px;font-size:13px;color:var(--muted);
}
.faq-item.open .faq-a{max-height:320px;padding-bottom:16px;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#1e3a8a,#2563eb 52%,#06b6d4);
  border-radius:28px;padding:38px 30px;color:#fff;position:relative;
  overflow:hidden;box-shadow:0 26px 60px -26px rgba(37,99,235,.85);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.07) 0 2px,transparent 2px 30px);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,3vw,29px);position:relative;z-index:2;}
.cta-band p{position:relative;z-index:2;color:rgba(255,255,255,.9);font-size:13.5px;margin-top:10px;max-width:640px;}
.cta-band .btn-ghost{position:relative;z-index:2;margin-top:20px;}

/* ============ FOOTER ============ */
.footer{
  background:#0b1220;color:#cbd5e1;margin-top:56px;padding:44px 0 24px;font-size:12.8px;
}
.footer h4{color:#fff;font-size:13.5px;margin-bottom:12px;letter-spacing:.02em;}
.footer a{color:#94a3b8;transition:.2s;}
.footer a:hover{color:#67e8f9;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:28px;}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr;gap:22px;}}
.footer-brand{font-size:16px;font-weight:900;color:#fff;display:flex;align-items:center;gap:8px;}
.footer-brand .logo-dot{
  width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--main),var(--accent));
  display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;
}
.footer-desc{margin-top:10px;color:#94a3b8;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.friend-links{
  margin-top:30px;padding-top:20px;border-top:1px solid rgba(148,163,184,.18);
}
.friend-links h4{margin-bottom:8px;font-size:12.5px;color:#e2e8f0;}
.friend-links .fl-line{color:#94a3b8;font-size:12.5px;line-height:1.9;word-break:break-all;}
.copyright{
  margin-top:22px;padding-top:16px;border-top:1px solid rgba(148,163,184,.18);
  color:#64748b;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}

/* --- 子页面追加 --- */
.guide-hero {
    padding:64px 0 46px;
    background:
      radial-gradient(900px 380px at 12% -10%, rgba(37,99,235,.12), transparent 60%),
      radial-gradient(760px 340px at 88% 0%, rgba(6,182,212,.14), transparent 62%);
  }
.guide-hero h1 {
    font-weight:900;
    letter-spacing:-.5px;
    font-size:clamp(26px,4vw,42px);
    line-height:1.25;
    margin:14px 0 14px;
  }
.guide-hero p.lead-txt {
    color:var(--muted);
    font-size:clamp(14px,1.6vw,17px);
    line-height:1.85;
    max-width:760px;
  }
.g-card {
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow-soft);
    padding:26px 24px;
    height:100%;
    transition:transform .25s ease, box-shadow .25s ease;
  }
.g-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.g-card .ico {
    width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--main),var(--accent));
    color:#fff;font-size:19px;margin-bottom:16px;
  }
.g-card h3 {
    font-size:17px;font-weight:800;margin-bottom:10px;line-height:1.45;
  }
.g-card p {
    color:var(--muted);font-size:14px;line-height:1.85;margin:0;
  }
.guide-section {padding:52px 0;}
.guide-section h2 {
    font-size:clamp(21px,2.6vw,29px);
    font-weight:900;letter-spacing:-.3px;margin-bottom:10px;
  }
.guide-section .sub {
    color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:30px;max-width:780px;
  }
.step-item {
    display:flex;gap:18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow-soft);
    padding:22px 24px;
    margin-bottom:16px;
    transition:box-shadow .25s ease;
  }
.step-item:hover {box-shadow:var(--shadow-hover);}
.step-num {
    flex:0 0 44px;height:44px;border-radius:50%;
    background:linear-gradient(135deg,var(--main),var(--accent));
    color:#fff;font-weight:800;font-size:17px;
    display:flex;align-items:center;justify-content:center;
  }
.step-item h3 {font-size:16.5px;font-weight:800;margin:0 0 8px;line-height:1.5;}
.step-item p {color:var(--muted);font-size:14px;line-height:1.85;margin:0;}
.tag-cloud a {
    display:inline-block;font-size:13.5px;font-weight:600;
    padding:8px 16px;border-radius:999px;
    background:var(--card);border:1px solid var(--line);
    color:var(--ink);text-decoration:none;
    transition:all .2s ease;
  }
.tag-cloud a:hover {
    background:linear-gradient(135deg,var(--main),var(--accent));
    color:#fff;border-color:transparent;transform:translateY(-2px);
  }
.faq-item h3 {font-size:15.5px;font-weight:800;margin:0 0 9px;display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 i {color:var(--main);margin-top:3px;font-size:14px;}
.faq-item p {color:var(--muted);font-size:14px;line-height:1.85;margin:0;}
.mini-note {
    background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.09));
    border:1px dashed rgba(37,99,235,.28);
    border-radius:16px;padding:18px 22px;color:var(--ink);
    font-size:14px;line-height:1.85;
  }
.mini-note strong {color:var(--main);}
.toc-box {
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-soft);padding:22px 24px;
  }
.toc-box h3 {font-size:15px;font-weight:800;margin:0 0 14px;color:var(--ink);}
.toc-box a {
    display:flex;align-items:center;gap:9px;
    font-size:14px;color:var(--muted);text-decoration:none;
    padding:8px 0;border-bottom:1px dashed var(--line);
    transition:color .2s ease;
  }
.toc-box a:last-child {border-bottom:none;}
.toc-box a:hover {color:var(--main);}
.toc-box a i {font-size:11px;color:var(--accent);}
footer.site-foot {
    border-top:1px solid var(--line);background:var(--card);
    padding:34px 0 26px;margin-top:20px;
  }
footer.site-foot .foot-inner {
    display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;
    font-size:13.5px;color:var(--muted);
  }
footer.site-foot a {color:var(--muted);text-decoration:none;margin-right:16px;transition:color .2s;}
footer.site-foot a:hover {color:var(--main);}
.step-item {flex-direction:column;gap:12px;}
.guide-hero {padding:44px 0 30px;}

/* --- 子页面追加 --- */
/* 导航 */
  .nav-shell {
    position:sticky;top:0;z-index:50;
    background:rgba(248,250,252,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
/* Hero */
  .hero {padding:54px 0 30px;}
.hero-title .grad {background:linear-gradient(120deg,var(--main),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.card {
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-soft);padding:26px 24px;height:100%;
    transition:.25s;
  }
.card:hover {box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(37,99,235,.28);}
.card h3 {font-size:17.5px;font-weight:800;margin:14px 0 8px;letter-spacing:-.2px;}
.card p {color:var(--muted);font-size:14.5px;margin:0;}
.card .ic {
    width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
    font-size:18px;color:#fff;background:linear-gradient(135deg,var(--main),var(--accent));
    box-shadow:0 10px 22px -12px rgba(37,99,235,.75);
  }
/* 数据条 */
  .stats-band {
    background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(6,182,212,.08));
    border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;
  }
/* 步骤 */
  .steps-list {display:grid;gap:14px;counter-reset:step;}
/* 对比表（自写，不用 bootstrap table） */
  .compare {
    width:100%;border-collapse:separate;border-spacing:0;background:var(--card);
    border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow-soft);font-size:14.5px;
  }
.compare th,.compare td {padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;}
.compare thead th {background:rgba(37,99,235,.06);color:var(--ink);font-weight:800;font-size:14px;}
.compare tbody tr:last-child td {border-bottom:none;}
.compare td:first-child {font-weight:700;color:var(--ink);white-space:nowrap;}
.compare td {color:var(--muted);}
.compare .yes {color:var(--main);font-weight:700;}
/* 问答 */
  .faq-item {
    background:var(--card);border:1px solid var(--line);border-radius:16px;
    padding:20px 22px;box-shadow:var(--shadow-soft);margin-bottom:14px;
  }
.note {
    background:rgba(6,182,212,.08);border:1px solid rgba(6,182,212,.28);
    border-radius:16px;padding:18px 20px;color:var(--ink);font-size:14.5px;
  }
.note strong {color:var(--main);}
/* 页脚 */
  footer {
    background:var(--card);border-top:1px solid var(--line);margin-top:40px;padding:40px 0 28px;
  }
.foot-grid {display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
.foot-brand {display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin-bottom:12px;}
.foot-desc {color:var(--muted);font-size:14px;max-width:360px;}
.foot-title {font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:12px;}
.foot-links {display:flex;flex-direction:column;gap:9px;}
.foot-links a {color:var(--muted);font-size:14px;transition:.2s;}
.foot-links a:hover {color:var(--main);}
.foot-bottom {border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.foot-grid {grid-template-columns:1fr 1fr;}
.foot-grid {grid-template-columns:1fr;}
.card {padding:22px 18px;}

/* --- 子页面追加 --- */
.rank-hero { padding: 64px 0 28px; }
.rank-hero-inner { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; }
.rank-hero-txt { flex: 1 1 420px; }
.rank-hero-cover { flex: 0 0 260px; max-width: 100%; }
.rank-hero-cover img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-soft); display: block; }
.rank-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: rgba(37,99,235,.08); color: var(--main); font-weight: 600; font-size: .85rem; margin-bottom: 16px; }
.rank-badge i { color: var(--accent); }
.rule-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 28px; }
.rule-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-soft); transition: transform .25s ease, box-shadow .25s ease; }
.rule-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.rule-card .rule-ico { width: 46px; height: 46px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--main), var(--accent)); color: #fff; font-size: 1.15rem; margin-bottom: 14px; }
.rule-card h3 { font-size: 1.05rem; color: var(--ink); margin: 0 0 10px; font-weight: 700; }
.rule-card p { color: var(--muted); font-size: .94rem; line-height: 1.75; margin: 0; }
.timeline { list-style: none; padding: 0; margin: 28px 0 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 15px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--main), var(--accent)); opacity: .25; }
.timeline li { position: relative; padding: 0 0 26px 48px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .dot { position: absolute; left: 6px; top: 2px; width: 20px; height: 20px; border-radius: 50%; background: var(--card); border: 3px solid var(--main); box-shadow: 0 0 0 4px rgba(37,99,235,.1); }
.timeline h4 { font-size: 1rem; color: var(--ink); margin: 0 0 6px; font-weight: 700; }
.timeline p { color: var(--muted); font-size: .93rem; line-height: 1.7; margin: 0; }
.metric-table { width: 100%; border-collapse: collapse; margin-top: 26px; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); font-size: .93rem; }
.metric-table th, .metric-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.metric-table th { background: rgba(37,99,235,.06); color: var(--main); font-weight: 700; }
.metric-table td { color: var(--ink); }
.metric-table td:first-child { font-weight: 600; }
.metric-table tr:last-child td { border-bottom: none; }
.metric-table .muted { color: var(--muted); font-weight: 400; }
.faq-item h4 { font-size: 1rem; color: var(--ink); margin: 0 0 8px; font-weight: 700; display: flex; gap: 10px; align-items: flex-start; }
.faq-item h4 i { color: var(--accent); margin-top: 3px; }
.note-band { margin-top: 34px; padding: 22px 26px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(37,99,235,.07), rgba(6,182,212,.08)); border: 1px solid var(--line); color: var(--ink); font-size: .94rem; line-height: 1.8; }
.note-band strong { color: var(--main); }
.rank-hero { padding-top: 40px; }
.metric-table th, .metric-table td { padding: 11px 12px; }

/* --- 子页面追加 --- */
.legal-hero {padding:72px 0 48px;text-align:center;}
.legal-hero h1 {font-size:clamp(1.7rem,4vw,2.7rem);font-weight:900;color:var(--ink);line-height:1.3;margin:14px 0 16px;letter-spacing:-.01em;}
.legal-hero p {color:var(--muted);max-width:720px;margin:0 auto;font-size:1.02rem;line-height:1.85;}
.legal-card {background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:34px 36px;margin-bottom:26px;transition:.28s ease;}
.legal-card:hover {box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.legal-card h2 {font-size:1.32rem;font-weight:800;color:var(--ink);margin:0 0 16px;display:flex;align-items:center;gap:12px;}
.legal-card h2 .num {flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:800;box-shadow:0 8px 18px -8px rgba(37,99,235,.6);}
.legal-card p {color:var(--muted);line-height:1.95;margin:0 0 12px;font-size:.97rem;}
.legal-card p:last-child {margin-bottom:0;}
.legal-card strong {color:var(--ink);font-weight:700;}
.legal-list {list-style:none;padding:0;margin:6px 0 0;}
.legal-list li {position:relative;padding-left:26px;margin-bottom:12px;color:var(--muted);line-height:1.9;font-size:.96rem;}
.legal-list li::before {content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;color:var(--accent);font-size:.82rem;}
.legal-note {background:linear-gradient(135deg,rgba(37,99,235,.07),rgba(6,182,212,.07));border-left:4px solid var(--main);border-radius:12px;padding:18px 22px;color:var(--ink);font-size:.94rem;line-height:1.85;margin-top:18px;}
.legal-meta {display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px;}
.legal-meta span {background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:.82rem;color:var(--muted);box-shadow:var(--shadow-soft);}
.legal-meta span i {color:var(--main);margin-right:6px;}
.legal-card {padding:24px 20px;}
.legal-card h2 {font-size:1.12rem;}
.legal-hero {padding:52px 0 34px;}