:root{
    --main:#2563eb;
    --accent:#06b6d4;
    --bg:#f8fafc;
    --ink:#0f172a;
    --line:#e2e8f0;
    --soft:#f1f5f9;
    --radius:8px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,.brand-font{
    font-weight:800;
    letter-spacing:.2px;
    line-height:1.35;
  }
  h1{font-size:clamp(1.9rem,4.4vw,3.1rem);}
  h2{font-size:clamp(1.4rem,2.6vw,2rem);}
  h3{font-size:clamp(1.08rem,1.8vw,1.32rem);}
  p{color:#334155;}
  a{text-decoration:none;}

  /* ===== 导航 ===== */
  .top-nav{
    position:fixed;
    top:0;left:0;right:0;
    z-index:1000;
    padding:16px 0;
    background:rgba(248,250,252,0);
    transition:background .35s ease, box-shadow .35s ease, padding .35s ease;
  }
  .top-nav.stuck{
    background:rgba(248,250,252,.92);
    backdrop-filter:blur(12px);
    box-shadow:0 1px 0 var(--line), 0 8px 24px -20px rgba(15,23,42,.5);
    padding:9px 0;
  }
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
  .brand{
    display:flex;align-items:center;gap:9px;
    font-weight:900;font-size:1.22rem;color:var(--ink);
  }
  .brand i{
    color:var(--main);
    font-size:1.1rem;
    transform:translateY(1px);
  }
  .nav-links{
    display:flex;align-items:center;gap:4px;flex-wrap:wrap;
    list-style:none;margin:0;padding:0;
  }
  .nav-links a{
    display:block;
    padding:7px 13px;
    font-size:.94rem;
    font-weight:500;
    color:#475569;
    border-radius:var(--radius);
    transition:color .2s, background .2s;
  }
  .nav-links a:hover{color:var(--main);background:rgba(37,99,235,.07);}
  .nav-links a.active{color:var(--main);background:rgba(37,99,235,.1);}
  .nav-toggle{
    display:none;
    border:1px solid var(--line);
    background:#fff;
    border-radius:var(--radius);
    padding:7px 11px;
    color:var(--ink);
  }

  /* ===== Hero 分屏 ===== */
  .hero{
    position:relative;
    padding-top:104px;
    padding-bottom:70px;
    overflow:hidden;
    background:var(--bg);
  }
  .hero-parallax{
    position:absolute;
    inset:-15% -10% auto -10%;
    height:130%;
    pointer-events:none;
    z-index:0;
    background:
      radial-gradient(52% 46% at 22% 18%, rgba(37,99,235,.16), transparent 70%),
      radial-gradient(46% 40% at 82% 30%, rgba(6,182,212,.18), transparent 72%),
      radial-gradient(40% 38% at 60% 88%, rgba(37,99,235,.10), transparent 70%);
    will-change:transform;
  }
  .hero-grid{
    position:relative;z-index:2;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:0;
    border-radius:14px;
    overflow:hidden;
    border:1px solid var(--line);
    background:#fff;
    box-shadow:0 22px 50px -44px rgba(15,23,42,.65);
  }
  .hero-left{
    padding:clamp(26px,4vw,50px);
    background:linear-gradient(160deg,#ffffff 0%, #f8fbff 100%);
  }
  .hero-right{
    padding:clamp(26px,4vw,50px);
    background:linear-gradient(155deg,var(--main) 0%, #1d4ed8 46%, var(--accent) 130%);
    color:#fff;
    position:relative;
    display:flex;flex-direction:column;justify-content:center;
  }
  .hero-right::after{
    content:"";
    position:absolute;left:-1px;top:0;bottom:0;width:26px;
    background:linear-gradient(to right, rgba(255,255,255,.0), rgba(255,255,255,0));
    clip-path:polygon(0 0, 100% 8%, 100% 92%, 0 100%);
    background:#f8fbff;
    opacity:.9;
  }
  .hero-right h2,.hero-right p{color:#fff;}
  .hero-right p{opacity:.92;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    font-size:.8rem;font-weight:700;letter-spacing:1.6px;
    text-transform:uppercase;
    color:var(--main);
    background:rgba(37,99,235,.09);
    border:1px solid rgba(37,99,235,.18);
    padding:5px 12px;border-radius:999px;
    margin-bottom:18px;
  }
  .hero-left p.lead{
    font-size:1.03rem;color:#475569;margin-bottom:24px;
  }
  .btn-flow{
    position:relative;
    display:inline-flex;align-items:center;gap:9px;
    padding:12px 26px;
    border-radius:var(--radius);
    font-weight:700;font-size:.96rem;
    color:#fff;
    border:none;
    overflow:hidden;
    background:linear-gradient(100deg,var(--main),var(--accent),var(--main));
    background-size:220% 100%;
    background-position:0% 50%;
    transition:background-position .6s ease, transform .25s ease, box-shadow .25s;
    box-shadow:0 10px 24px -16px rgba(37,99,235,.95);
  }
  .btn-flow::before{
    content:"";
    position:absolute;top:0;left:-60%;width:45%;height:100%;
    background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
    transform:skewX(-20deg);
    transition:left .6s ease;
  }
  .btn-flow:hover{
    background-position:100% 50%;
    transform:translateY(-2px);
    color:#fff;
    box-shadow:0 16px 30px -16px rgba(37,99,235,.9);
  }
  .btn-flow:hover::before{left:130%;}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;
    padding:12px 22px;
    margin-left:12px;
    border-radius:var(--radius);
    font-weight:600;font-size:.94rem;
    color:var(--ink);
    border:1px solid var(--line);
    background:#fff;
    transition:.25s;
  }
  .btn-ghost:hover{border-color:var(--main);color:var(--main);background:rgba(37,99,235,.05);}

  /* 关键词标签云 */
  .tag-cloud{
    display:flex;flex-wrap:wrap;gap:9px;
    margin-top:8px;
  }
  .tag-cloud span{
    font-size:.85rem;
    padding:6px 13px;
    border-radius:999px;
    background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.32);
    color:#fff;
    font-weight:500;
    backdrop-filter:blur(2px);
    animation:floatTag 5.6s ease-in-out infinite;
    transition:background .25s, transform .25s;
  }
  .tag-cloud span:nth-child(2n){animation-delay:.6s;}
  .tag-cloud span:nth-child(3n){animation-delay:1.2s;}
  .tag-cloud span:nth-child(5n){animation-delay:1.8s;}
  .tag-cloud span:hover{background:rgba(255,255,255,.34);transform:translateY(-3px);}
  @keyframes floatTag{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-4px);}
  }
  .hero-right .mini-note{
    margin-top:22px;font-size:.86rem;opacity:.82;
    border-top:1px solid rgba(255,255,255,.24);
    padding-top:16px;
  }

  /* ===== 区块通用 ===== */
  .sec{padding:74px 0;position:relative;}
  .sec-line{border-top:1px solid var(--line);}
  .sec-head{margin-bottom:38px;max-width:720px;}
  .sec-head .eyebrow{
    font-size:.76rem;font-weight:700;letter-spacing:2px;
    text-transform:uppercase;color:var(--accent);margin-bottom:9px;display:block;
  }
  .sec-head p{margin-bottom:0;color:#5b6b82;}

  /* 斜切分割 */
  .slant-top{
    position:absolute;top:-1px;left:0;right:0;height:44px;
    background:var(--bg);
    clip-path:polygon(0 0, 100% 0, 100% 0, 0 100%);
  }
  .wave-sep{
    display:block;width:100%;height:56px;
    color:var(--soft);
  }

  /* ===== 特色对比表格 ===== */
  .features{background:#fff;}
  .compare-wrap{
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    background:#fff;
  }
  table.compare{
    width:100%;
    border-collapse:collapse;
    font-size:.95rem;
  }
  table.compare th,table.compare td{
    padding:15px 18px;
    border-bottom:1px solid var(--line);
    text-align:left;
    vertical-align:top;
  }
  table.compare thead th{
    background:var(--soft);
    font-weight:700;
    font-size:.9rem;
    color:#334155;
    letter-spacing:.3px;
  }
  table.compare thead th:nth-child(2){color:var(--main);}
  table.compare tbody tr:last-child th,
  table.compare tbody tr:last-child td{border-bottom:none;}
  table.compare tbody th{
    font-weight:600;color:#1e293b;width:26%;background:#fcfdff;
  }
  table.compare td.ours{color:#0f172a;background:rgba(37,99,235,.035);font-weight:500;}
  table.compare td.theirs{color:#7b8798;}
  .tick{color:#0ea5e9;margin-right:6px;}
  .cross{color:#cbd5e1;margin-right:6px;}

  /* ===== FAQ 折叠 ===== */
  .faq-sec{background:var(--soft);}
  .faq-item{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:12px;
    overflow:hidden;
  }
  .faq-q{
    width:100%;
    text-align:left;
    border:none;background:#fff;
    padding:17px 20px;
    font-weight:600;font-size:.98rem;color:var(--ink);
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    cursor:pointer;
    font-family:inherit;
    line-height:1.6;
    transition:color .2s, background .2s;
  }
  .faq-q:hover{color:var(--main);background:#fcfdff;}
  .faq-q i{font-size:.8rem;color:var(--main);transition:transform .3s ease;flex:none;}
  .faq-item.open .faq-q i{transform:rotate(180deg);}
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .38s ease;
  }
  .faq-a p{
    margin:0;
    padding:0 20px 18px;
    font-size:.93rem;
    color:#4d5d73;
  }

  /* ===== 介绍 编号清单 ===== */
  .intro-sec{background:#fff;}
  .steps{list-style:none;margin:0;padding:0;counter-reset:stepc;}
  .steps li{
    position:relative;
    padding:20px 22px 20px 66px;
    border:1px solid var(--line);
    border-radius:var(--radius);
    margin-bottom:14px;
    background:#fcfdff;
    transition:border-color .25s, box-shadow .25s, transform .25s;
  }
  .steps li:hover{
    border-color:rgba(37,99,235,.35);
    box-shadow:0 12px 26px -24px rgba(37,99,235,.9);
    transform:translateX(3px);
  }
  .steps li::before{
    counter-increment:stepc;
    content:counter(stepc,decimal-leading-zero);
    position:absolute;left:18px;top:20px;
    width:34px;height:34px;
    display:flex;align-items:center;justify-content:center;
    border-radius:var(--radius);
    background:linear-gradient(140deg,var(--main),var(--accent));
    color:#fff;
    font-size:.82rem;font-weight:800;
    letter-spacing:.5px;
  }
  .steps li h3{margin-bottom:6px;font-size:1.04rem;}
  .steps li p{margin:0;font-size:.93rem;color:#56657b;}

  /* ===== CTA ===== */
  .cta-sec{
    position:relative;
    background:linear-gradient(125deg,#1d4ed8 0%, var(--main) 40%, var(--accent) 120%);
    color:#fff;
    overflow:hidden;
  }
  .cta-sec::before{
    content:"";
    position:absolute;inset:0;
    background:
      radial-gradient(40% 60% at 90% 10%, rgba(255,255,255,.22), transparent 70%),
      radial-gradient(38% 50% at 5% 90%, rgba(255,255,255,.14), transparent 70%);
    pointer-events:none;
  }
  .cta-box{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto;}
  .cta-box h2{color:#fff;margin-bottom:14px;}
  .cta-box p{color:rgba(255,255,255,.9);font-size:1.02rem;margin-bottom:30px;}
  .btn-light-flow{
    position:relative;overflow:hidden;
    display:inline-flex;align-items:center;gap:10px;
    background:#fff;color:var(--main);
    padding:14px 34px;border-radius:var(--radius);
    font-weight:800;font-size:1rem;
    transition:transform .25s, box-shadow .25s, color .25s;
    box-shadow:0 16px 34px -20px rgba(0,0,0,.6);
  }
  .btn-light-flow::before{
    content:"";position:absolute;top:0;left:-70%;width:50%;height:100%;
    background:linear-gradient(100deg,transparent,rgba(6,182,212,.22),transparent);
    transform:skewX(-20deg);transition:left .65s ease;
  }
  .btn-light-flow:hover{
    transform:translateY(-3px);
    color:#0b4bd0;
    box-shadow:0 22px 40px -20px rgba(0,0,0,.55);
  }
  .btn-light-flow:hover::before{left:135%;}
  .cta-mini{
    margin-top:22px;font-size:.86rem;color:rgba(255,255,255,.78);
  }

  /* ===== 页脚 / 友链 ===== */
  footer{
    background:#fff;
    border-top:1px solid var(--line);
    padding:56px 0 26px;
  }
  .friend-links{
    border:1px dashed #cbd5e1;
    border-radius:var(--radius);
    padding:20px 22px;
    background:#fbfdff;
    margin-bottom:40px;
  }
  .friend-links h4{
    font-size:.95rem;font-weight:800;margin-bottom:12px;
    display:flex;align-items:center;gap:8px;color:#1e293b;
  }
  .friend-links h4 i{color:var(--accent);font-size:.85rem;}
  .friend-links p{
    margin:0;font-size:.9rem;color:#64748b;line-height:2;word-break:break-word;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr;
    gap:32px;
    padding-bottom:34px;
    border-bottom:1px solid var(--line);
  }
  .foot-grid h5{
    font-size:.86rem;font-weight:800;letter-spacing:.8px;
    color:#1e293b;margin-bottom:14px;text-transform:uppercase;
  }
  .foot-grid p{font-size:.9rem;color:#64748b;margin:0;}
  .foot-grid ul{list-style:none;margin:0;padding:0;}
  .foot-grid ul li{margin-bottom:9px;}
  .foot-grid ul a{font-size:.9rem;color:#64748b;transition:color .2s;}
  .foot-grid ul a:hover{color:var(--main);}
  .copy-bar{
    padding-top:22px;
    display:flex;flex-wrap:wrap;gap:10px;
    align-items:center;justify-content:space-between;
    font-size:.84rem;color:#8494a8;
  }
  .copy-bar a{color:#8494a8;}
  .copy-bar a:hover{color:var(--main);}

  /* ===== 响应式 ===== */
  @media (max-width:991px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-right::after{display:none;}
    .foot-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:767px){
    .nav-toggle{display:inline-flex;align-items:center;gap:7px;}
    .nav-links{
      position:absolute;
      top:100%;left:0;right:0;
      flex-direction:column;
      align-items:stretch;
      background:rgba(255,255,255,.98);
      backdrop-filter:blur(14px);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
      padding:10px 16px 16px;
      gap:2px;
      display:none;
      box-shadow:0 14px 30px -26px rgba(15,23,42,.7);
    }
    .nav-links.show{display:flex;}
    .nav-links a{padding:11px 12px;font-size:.97rem;}
    .hero{padding-top:88px;padding-bottom:44px;}
    .sec{padding:54px 0;}
    .foot-grid{grid-template-columns:1fr;gap:24px;}
    table.compare th,table.compare td{padding:12px 12px;font-size:.88rem;}
    table.compare tbody th{width:32%;}
    .btn-ghost{margin-left:0;margin-top:10px;}
    .btn-flow,.btn-ghost{width:100%;justify-content:center;}
  }

/* --- 子页面追加 --- */
/* 指南页专属少量样式，复用首页类名基础上补充 */
    .guide-hero {
      padding:64px 0 48px;
      background:linear-gradient(135deg,#2563eb 0%,#06b6d4 100%);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
.guide-hero h1 {
      font-weight:900;
      font-size:clamp(1.7rem,4vw,2.7rem);
      line-height:1.25;
      margin-bottom:16px;
    }
.guide-hero p {
      font-size:1.02rem;
      max-width:720px;
      opacity:.94;
      line-height:1.8;
      margin-bottom:0;
    }
.guide-hero .kicker {
      display:inline-block;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.35);
      padding:5px 14px;
      border-radius:999px;
      font-size:.8rem;
      letter-spacing:.5px;
      margin-bottom:18px;
      font-weight:600;
    }
.guide-toc {
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:22px 24px;
      margin-top:-32px;
      position:relative;
      z-index:3;
      box-shadow:0 8px 28px rgba(15,23,42,.08);
    }
.guide-toc h2 {
      font-size:1rem;
      font-weight:800;
      margin-bottom:14px;
      color:var(--ink);
    }
.guide-toc ol {
      margin:0;
      padding-left:0;
      list-style:none;
      display:grid;
      grid-template-columns:repeat(auto-fit,minmax(210px,1fr));
      gap:6px 20px;
      counter-reset:toc;
    }
.guide-toc li {counter-increment:toc;}
.guide-toc a {
      display:block;
      padding:7px 0;
      color:var(--ink);
      text-decoration:none;
      font-size:.92rem;
      border-bottom:1px dashed transparent;
      transition:.2s;
    }
.guide-toc a::before {
      content:counter(toc,decimal-leading-zero);
      color:var(--main);
      font-weight:700;
      margin-right:10px;
      font-size:.8rem;
    }
.guide-toc a:hover {color:var(--main);border-bottom-color:var(--main);}
.g-step {
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:26px 26px 22px;
      height:100%;
      transition:.22s;
    }
.g-step:hover {
      border-color:var(--main);
      box-shadow:0 10px 26px rgba(37,99,235,.10);
      transform:translateY(-3px);
    }
.g-step .num {
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:38px;height:38px;
      border-radius:10px;
      background:linear-gradient(135deg,var(--main),var(--accent));
      color:#fff;
      font-weight:800;
      font-size:1rem;
      margin-bottom:14px;
    }
.g-step h3 {
      font-size:1.05rem;
      font-weight:800;
      margin-bottom:10px;
      color:var(--ink);
    }
.g-step p {
      font-size:.92rem;
      line-height:1.85;
      color:#475569;
      margin-bottom:0;
    }
.g-panel {
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      padding:30px;
    }
.g-panel h2 {
      font-size:1.35rem;
      font-weight:900;
      margin-bottom:8px;
    }
.g-panel h2 .tag {
      font-size:.72rem;
      font-weight:700;
      color:var(--main);
      background:rgba(37,99,235,.09);
      padding:3px 10px;
      border-radius:999px;
      vertical-align:middle;
      margin-left:8px;
    }
.g-panel .lead {
      color:#64748b;
      font-size:.94rem;
      margin-bottom:22px;
      line-height:1.8;
    }
.g-panel h3 {
      font-size:1.02rem;
      font-weight:800;
      margin:22px 0 10px;
      padding-left:12px;
      border-left:4px solid var(--accent);
      color:var(--ink);
    }
.g-panel p, .g-panel li {
      font-size:.93rem;
      line-height:1.9;
      color:#475569;
    }
.g-panel ul, .g-panel ol {padding-left:20px;}
.g-panel li {margin-bottom:5px;}
.g-panel strong {color:var(--ink);}
.g-tip {
      background:var(--soft);
      border-left:4px solid var(--main);
      border-radius:0 var(--radius) var(--radius) 0;
      padding:14px 18px;
      margin:18px 0;
      font-size:.9rem;
      line-height:1.8;
      color:#334155;
    }
.g-tip i {color:var(--main);margin-right:6px;}
.g-table {
      width:100%;
      border-collapse:collapse;
      font-size:.9rem;
      margin:14px 0 6px;
    }
.g-table th {
      background:var(--soft);
      color:var(--ink);
      font-weight:800;
      text-align:left;
      padding:11px 14px;
      border-bottom:2px solid var(--line);
      white-space:nowrap;
    }
.g-table td {
      padding:11px 14px;
      border-bottom:1px solid var(--line);
      color:#475569;
      line-height:1.7;
    }
.g-table tr:hover td {background:#fafcff;}
.g-table td:first-child {color:var(--ink);font-weight:600;}
.g-faq-item {
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      margin-bottom:12px;
      overflow:hidden;
    }
.g-faq-q {
      padding:16px 20px;
      font-weight:700;
      font-size:.95rem;
      color:var(--ink);
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      user-select:none;
    }
.g-faq-q i {color:var(--main);transition:.25s;font-size:.85rem;flex-shrink:0;}
.g-faq-item.open .g-faq-q i {transform:rotate(180deg);}
.g-faq-a {
      max-height:0;
      overflow:hidden;
      transition:max-height .3s ease;
      padding:0 20px;
      font-size:.9rem;
      line-height:1.85;
      color:#475569;
    }
.g-faq-item.open .g-faq-a {max-height:340px;padding:0 20px 18px;}
.g-cta {
      background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);
      color:#fff;
      border-radius:var(--radius);
      padding:44px 32px;
      text-align:center;
    }
.g-cta h2 {
      font-size:1.5rem;
      font-weight:900;
      margin-bottom:12px;
      color:#fff;
    }
.g-cta p {
      color:#cbd5e1;
      font-size:.95rem;
      max-width:560px;
      margin:0 auto 24px;
      line-height:1.85;
    }
.g-cta .btn-flow, .g-cta .btn-ghost {margin:5px 6px;}
.guide-hero {padding:44px 0 40px;}
.guide-toc {margin-top:-24px;padding:18px;}
.g-panel {padding:22px 18px;}
.g-table {font-size:.84rem;}
.g-table th,.g-table td {padding:9px 10px;}

/* --- 子页面追加 --- */
.about-hero {padding:96px 0 56px;background:linear-gradient(180deg,var(--soft) 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.about-hero h1 {font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.5px;color:var(--ink);line-height:1.25;margin:14px 0 16px;}
.about-hero .lead {font-size:17px;line-height:1.85;color:#475569;max-width:760px;}
.about-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;}
.about-card {background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.25s;}
.about-card:hover {transform:translateY(-4px);box-shadow:0 14px 30px rgba(15,23,42,.08);border-color:#cbd5e1;}
.about-card i {font-size:22px;color:var(--main);margin-bottom:14px;display:block;}
.about-card h3 {font-size:17px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.about-card p {font-size:14.5px;line-height:1.8;color:#64748b;margin:0;}
.prose p {font-size:15.5px;line-height:1.95;color:#475569;margin-bottom:16px;}
.prose strong {color:var(--ink);font-weight:600;}
.diff-list {list-style:none;padding:0;margin:26px 0 0;}
.diff-list li {display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line);}
.diff-list li:last-child {border-bottom:none;}
.diff-list .ic {flex:0 0 36px;height:36px;border-radius:50%;background:rgba(37,99,235,.1);color:var(--main);display:flex;align-items:center;justify-content:center;font-size:15px;}
.diff-list h4 {font-size:16px;font-weight:700;color:var(--ink);margin:0 0 6px;}
.diff-list p {margin:0;font-size:14.5px;line-height:1.8;color:#64748b;}
.stat-row {display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px;}
.stat {background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 18px;text-align:center;}
.stat .n {font-size:26px;font-weight:800;color:var(--main);letter-spacing:-.5px;}
.stat .t {font-size:13px;color:#64748b;margin-top:6px;}
.timeline {margin-top:30px;border-left:2px solid var(--line);padding-left:24px;}
.tl-item {position:relative;padding-bottom:26px;}
.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 var(--main);}
.tl-item .yr {font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em;}
.tl-item h4 {font-size:16px;font-weight:700;color:var(--ink);margin:4px 0 6px;}
.tl-item p {margin:0;font-size:14.5px;line-height:1.8;color:#64748b;}
.notice-box {background:rgba(6,182,212,.07);border:1px solid rgba(6,182,212,.28);border-radius:var(--radius);padding:22px 24px;margin-top:26px;}
.notice-box p {margin:0;font-size:14.5px;line-height:1.85;color:#334155;}
.cta-band {background:linear-gradient(120deg,var(--main),var(--accent));border-radius:var(--radius);padding:44px 36px;margin-top:20px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;}
.cta-band h3 {font-size:22px;font-weight:800;margin:0 0 8px;color:#fff;}
.cta-band p {margin:0;font-size:14.5px;opacity:.92;}
.cta-band .btn-flow {background:#fff;color:var(--main);border:none;}
.cta-band .btn-ghost {background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7);}
.about-grid {grid-template-columns:1fr 1fr;}
.stat-row {grid-template-columns:1fr 1fr;}
.about-hero {padding:72px 0 40px;}
.about-grid {grid-template-columns:1fr;}
.cta-band {padding:32px 22px;}

/* --- 子页面追加 --- */
.legal-wrap {max-width:880px;margin:0 auto}
.legal-card {background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin-bottom:18px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.legal-card h2 {font-size:1.22rem;font-weight:700;color:var(--ink);margin:0 0 14px;line-height:1.5}
.legal-card h2 .num {display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:.82rem;font-weight:700;margin-right:10px;vertical-align:middle}
.legal-card p {color:#334155;line-height:1.85;margin:0 0 12px;font-size:.96rem}
.legal-card p:last-child {margin-bottom:0}
.legal-card ul {margin:0 0 12px;padding-left:20px;color:#334155;line-height:1.85;font-size:.96rem}
.legal-card li {margin-bottom:7px}
.legal-card strong {color:var(--ink)}
.legal-card a {color:var(--main);text-decoration:none;font-weight:500}
.legal-card a:hover {text-decoration:underline}
.legal-note {background:var(--soft);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:14px 18px;margin-top:14px;font-size:.92rem;color:#475569;line-height:1.8}
.legal-meta {display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.legal-meta span {display:inline-flex;align-items:center;gap:7px;background:var(--soft);border:1px solid var(--line);color:#475569;font-size:.82rem;padding:6px 12px;border-radius:999px}
.legal-meta i {color:var(--accent)}
.legal-toc {background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px}
.legal-toc .toc-title {font-weight:700;color:var(--ink);margin-bottom:12px;font-size:.98rem;display:flex;align-items:center;gap:8px}
.legal-toc .toc-title i {color:var(--main)}
.legal-toc ol {margin:0;padding-left:20px;columns:2;column-gap:28px}
.legal-toc li {margin-bottom:8px;font-size:.92rem;line-height:1.6}
.legal-toc a {color:#334155;text-decoration:none}
.legal-toc a:hover {color:var(--main)}
.legal-card {padding:20px 18px}
.legal-toc ol {columns:1}

/* --- 子页面追加 --- */
/* 本页专属少量样式，配色变量沿用站点根变量 */
  .rank-page-hero {
    padding: 120px 0 64px;
    background:
      radial-gradient(900px 420px at 12% -10%, rgba(37,99,235,.16), transparent 62%),
      radial-gradient(760px 380px at 92% 4%, rgba(6,182,212,.14), transparent 60%),
      var(--bg);
    border-bottom: 1px solid var(--line);
  }
.rank-page-hero h1 {
    font-weight: 900;
    letter-spacing: -.02em;
    color: var(--ink);
    font-size: clamp(1.7rem, 4vw, 2.7rem);
    line-height: 1.22;
    margin: 14px 0 16px;
  }
.rank-page-hero p.lead-txt {
    color: #475569;
    font-size: 1.02rem;
    line-height: 1.85;
    max-width: 720px;
    margin-bottom: 0;
  }
.rank-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    height: 100%;
  }
.rank-panel h3 {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 6px;
  }
.rank-sub {
    font-size: .82rem;
    color: #64748b;
    margin-bottom: 16px;
  }
.rank-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--line);
  }
.rank-row:last-child { border-bottom: 0; }
.rank-no {
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: .82rem;
    background: var(--soft);
    color: #64748b;
  }
.rank-no.top1 { background: linear-gradient(135deg, #2563eb, #06b6d4); color: #fff; }
.rank-no.top2 { background: rgba(37,99,235,.16); color: var(--main); }
.rank-no.top3 { background: rgba(6,182,212,.16); color: #0e7490; }
.rank-meta { flex: 1 1 auto; min-width: 0; }
.rank-meta strong {
    display: block;
    font-size: .94rem;
    font-weight: 700;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
.rank-meta span {
    display: block;
    font-size: .78rem;
    color: #94a3b8;
    margin-top: 2px;
  }
.rank-val {
    flex: 0 0 auto;
    font-size: .8rem;
    font-weight: 700;
    color: var(--main);
    background: rgba(37,99,235,.08);
    border-radius: 999px;
    padding: 3px 10px;
  }
.rank-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
  }
.rank-legend span {
    font-size: .78rem;
    color: #475569;
    background: var(--soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 4px 12px;
  }
.rule-card {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 20px 22px;
    height: 100%;
  }
.rule-card h4 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 8px;
  }
.rule-card p {
    font-size: .9rem;
    line-height: 1.8;
    color: #475569;
    margin: 0;
  }
.sec h2 { color: var(--ink); font-weight: 800; }
.sec p.body-txt { color: #475569; line-height: 1.9; }
.pick-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
    height: 100%;
  }
.pick-item .pk-tag {
    display: inline-block;
    font-size: .74rem;
    font-weight: 700;
    color: #0e7490;
    background: rgba(6,182,212,.12);
    border-radius: 999px;
    padding: 3px 10px;
    margin-bottom: 10px;
  }
.pick-item h4 {
    font-size: .98rem;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 8px;
  }
.pick-item p {
    font-size: .88rem;
    line-height: 1.8;
    color: #475569;
    margin: 0;
  }
.rank-page-hero { padding: 96px 0 44px; }
.rank-panel { padding: 18px; }