:root{
    --brand:#22d3ee;
    --accent:#fb923c;
    --bg:#0f172a;
    --text:#e2e8f0;
    --bg-soft:#16213b;
    --bg-card:#1b2745;
    --line:rgba(226,232,240,.12);
    --muted:#93a4c0;
    --radius-lg:26px;
    --radius-md:16px;
    --radius-pill:999px;
    --shadow:0 12px 30px rgba(0,0,0,.35);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    line-height:1.85;
    font-size:16px;
    letter-spacing:.2px;
    overflow-x:hidden;
  }
  /* 顶部噪点纹理 */
  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    opacity:.05;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  a{text-decoration:none;color:inherit;}
  img{max-width:100%;display:block;}

  /* 滚动进度条 */
  #progressBar{
    position:fixed;
    top:0;left:0;
    height:3px;
    width:0%;
    background:linear-gradient(90deg,var(--brand),var(--accent));
    z-index:2000;
    transition:width .08s linear;
  }

  /* 导航 */
  .site-nav{
    position:sticky;
    top:0;
    z-index:1500;
    background:rgba(15,23,42,.55);
    backdrop-filter:blur(10px);
    border-bottom:1px solid transparent;
    transition:background .35s ease,border-color .35s ease,box-shadow .35s ease;
  }
  .site-nav.scrolled{
    background:rgba(15,23,42,.92);
    border-bottom-color:var(--line);
    box-shadow:0 10px 26px rgba(0,0,0,.4);
  }
  .nav-inner{
    max-width:1200px;
    margin:0 auto;
    padding:14px 20px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .brand{
    font-weight:800;
    font-size:1.22rem;
    letter-spacing:.4px;
    display:flex;
    align-items:center;
    gap:9px;
    color:#fff;
  }
  .brand .dot{
    width:11px;height:11px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand),var(--accent));
    box-shadow:0 0 12px rgba(34,211,238,.7);
  }
  .brand span.name{
    background:linear-gradient(90deg,var(--brand),var(--accent));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .nav-links{
    display:flex;
    align-items:center;
    gap:6px;
    list-style:none;
    margin:0;padding:0;
  }
  .nav-links a{
    display:inline-block;
    padding:8px 15px;
    border-radius:var(--radius-pill);
    font-size:.94rem;
    font-weight:500;
    color:var(--muted);
    transition:.25s;
  }
  .nav-links a:hover{
    color:#fff;
    background:rgba(34,211,238,.12);
  }
  .nav-links a.active{
    color:var(--bg);
    background:linear-gradient(90deg,var(--brand),var(--accent));
    font-weight:700;
  }
  .nav-toggle{
    display:none;
    background:none;border:1px solid var(--line);
    color:var(--text);
    border-radius:var(--radius-pill);
    padding:6px 14px;
    font-size:1rem;
  }

  /* Hero */
  .hero{
    position:relative;
    max-width:1200px;
    margin:0 auto;
    padding:70px 20px 40px;
    overflow:visible;
  }
  .hero-float{
    position:absolute;
    border-radius:50%;
    filter:blur(2px);
    opacity:.5;
    z-index:0;
    animation:floaty 7s ease-in-out infinite;
  }
  .hero-float.f1{width:14px;height:14px;background:var(--brand);top:70px;right:14%;}
  .hero-float.f2{width:20px;height:20px;background:var(--accent);bottom:60px;right:6%;animation-delay:1.4s;}
  .hero-float.f3{width:9px;height:9px;background:var(--brand);top:180px;left:5%;animation-delay:2.6s;}
  @keyframes floaty{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-18px);}
  }
  .hero-inner{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:38px;
    align-items:center;
  }
  .hero-eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.82rem;
    font-weight:600;
    letter-spacing:1.6px;
    text-transform:uppercase;
    color:var(--brand);
    border:1px solid rgba(34,211,238,.35);
    padding:6px 16px;
    border-radius:var(--radius-pill);
    margin-bottom:22px;
  }
  .hero h1{
    font-size:clamp(2rem,4.4vw,3.35rem);
    font-weight:900;
    line-height:1.22;
    margin:0 0 20px;
    letter-spacing:-.5px;
  }
  .grad-text{
    background:linear-gradient(100deg,var(--brand) 10%,var(--accent) 90%);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }
  .hero p.lead{
    color:var(--muted);
    font-size:1.05rem;
    max-width:560px;
    margin-bottom:30px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
  .btn-pill{
    display:inline-flex;align-items:center;gap:9px;
    padding:12px 28px;
    border-radius:var(--radius-pill);
    font-weight:600;
    font-size:.96rem;
    border:1px solid transparent;
    transition:.28s;
    cursor:pointer;
  }
  .btn-primary-pill{
    background:linear-gradient(90deg,var(--brand),var(--accent));
    color:#08111f;
    font-weight:700;
    box-shadow:0 8px 22px rgba(34,211,238,.28);
  }
  .btn-primary-pill:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(251,146,60,.34);color:#08111f;}
  .btn-ghost-pill{
    border-color:var(--line);
    color:var(--text);
    background:rgba(255,255,255,.02);
  }
  .btn-ghost-pill:hover{border-color:var(--brand);color:var(--brand);}

  .hero-cover{
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
    aspect-ratio:4/5;
    box-shadow:var(--shadow);
    border:1px solid var(--line);
  }
  .hero-cover img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .7s ease;
  }
  .hero-cover:hover img{transform:scale(1.06);}
  .hero-cover .overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(to top,rgba(15,23,42,.95) 6%,rgba(15,23,42,.15) 55%,rgba(15,23,42,0) 100%);
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    padding:26px;
  }
  .hero-cover .overlay .tag{
    align-self:flex-start;
    background:rgba(34,211,238,.16);
    border:1px solid rgba(34,211,238,.4);
    color:var(--brand);
    font-size:.75rem;
    font-weight:700;
    letter-spacing:1.2px;
    padding:4px 13px;
    border-radius:var(--radius-pill);
    margin-bottom:12px;
  }
  .hero-cover .overlay h3{
    font-size:1.4rem;font-weight:800;margin:0 0 6px;color:#fff;
  }
  .hero-cover .overlay p{
    margin:0;font-size:.88rem;color:var(--muted);
  }

  /* 通用区块 */
  section.block{
    position:relative;
    z-index:1;
    max-width:1200px;
    margin:0 auto;
    padding:64px 20px;
  }
  .block-head{
    margin-bottom:38px;
    max-width:760px;
  }
  .block-head .kicker{
    display:inline-flex;
    align-items:center;gap:8px;
    font-size:.8rem;
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
    color:var(--accent);
    margin-bottom:12px;
  }
  .block-head h2{
    font-size:clamp(1.5rem,2.6vw,2.05rem);
    font-weight:800;
    margin:0 0 12px;
    line-height:1.35;
  }
  .block-head p{
    color:var(--muted);
    margin:0;
    font-size:1rem;
  }
  .divider-line{
    height:1px;
    background:linear-gradient(90deg,var(--brand),transparent);
    border:0;
    opacity:.4;
    margin:0;
  }

  /* 使用说明 编号清单 */
  .steps-list{
    list-style:none;
    counter-reset:step;
    margin:0;padding:0;
    display:grid;
    gap:18px;
  }
  .steps-list li{
    counter-increment:step;
    position:relative;
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:22px 24px 22px 78px;
    transition:.28s;
  }
  .steps-list li:hover{
    border-color:rgba(34,211,238,.45);
    transform:translateX(4px);
  }
  .steps-list li::before{
    content:counter(step,decimal-leading-zero);
    position:absolute;
    left:22px;top:22px;
    width:38px;height:38px;
    display:flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(251,146,60,.18));
    border:1px solid var(--line);
    color:var(--brand);
    font-weight:800;
    font-size:.86rem;
  }
  .steps-list li h3{
    font-size:1.04rem;
    font-weight:700;
    margin:0 0 6px;
  }
  .steps-list li p{
    margin:0;
    color:var(--muted);
    font-size:.94rem;
  }

  /* 特色对比表格 */
  .compare-wrap{
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    overflow:hidden;
    background:var(--bg-card);
    box-shadow:var(--shadow);
  }
  table.compare{
    width:100%;
    border-collapse:collapse;
    font-size:.94rem;
  }
  table.compare thead th{
    background:linear-gradient(90deg,rgba(34,211,238,.16),rgba(251,146,60,.14));
    color:#fff;
    font-weight:700;
    text-align:left;
    padding:16px 20px;
    font-size:.9rem;
    letter-spacing:.6px;
    border-bottom:1px solid var(--line);
  }
  table.compare tbody td{
    padding:16px 20px;
    border-bottom:1px solid var(--line);
    color:var(--text);
    vertical-align:top;
  }
  table.compare tbody tr:last-child td{border-bottom:0;}
  table.compare tbody tr:hover{background:rgba(34,211,238,.05);}
  table.compare td:first-child{
    color:var(--brand);
    font-weight:700;
    white-space:nowrap;
  }
  table.compare td:nth-child(2){color:var(--muted);}

  /* 特色网格 */
  .feature-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
  }
  .feature-card{
    position:relative;
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:28px 24px;
    overflow:hidden;
    transition:.3s;
  }
  .feature-card:hover{
    transform:translateY(-5px);
    border-color:rgba(251,146,60,.45);
    box-shadow:0 18px 36px rgba(0,0,0,.4);
  }
  .feature-card .ic{
    width:46px;height:46px;
    display:flex;align-items:center;justify-content:center;
    border-radius:14px;
    border:1px solid rgba(34,211,238,.35);
    color:var(--brand);
    font-size:1.1rem;
    margin-bottom:18px;
    background:rgba(34,211,238,.07);
  }
  .feature-card h3{
    font-size:1.06rem;font-weight:700;margin:0 0 10px;
  }
  .feature-card p{
    margin:0;color:var(--muted);font-size:.93rem;
  }

  /* 长文分栏 */
  .article-cols{
    column-count:2;
    column-gap:44px;
    color:var(--muted);
    font-size:.98rem;
  }
  .article-cols h3{
    color:var(--text);
    font-size:1.1rem;
    font-weight:700;
    margin:0 0 12px;
    break-after:avoid;
  }
  .article-cols p{
    margin:0 0 18px;
    break-inside:avoid;
  }
  .article-cols .pull{
    break-inside:avoid;
    border-left:3px solid var(--brand);
    background:rgba(34,211,238,.06);
    border-radius:0 var(--radius-md) var(--radius-md) 0;
    padding:16px 20px;
    margin:0 0 22px;
    color:var(--text);
    font-size:.95rem;
  }

  /* 海报网格 */
  .poster-grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:16px;
    width:100%;
  }
  .poster-card{
    position:relative;
    border-radius:var(--radius-md);
    overflow:hidden;
    background:var(--bg-card);
    border:1px solid var(--line);
    aspect-ratio:2/3;
    transition:.32s;
  }
  .poster-card:hover{
    transform:translateY(-5px);
    border-color:rgba(34,211,238,.5);
    box-shadow:0 16px 30px rgba(0,0,0,.45);
  }
  .poster-card img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .6s ease;
  }
  .poster-card:hover img{transform:scale(1.1);}
  .poster-card .mask{
    position:absolute;
    inset:0;
    background:linear-gradient(to top,rgba(15,23,42,.96) 0%,rgba(15,23,42,.55) 45%,rgba(15,23,42,0) 100%);
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    padding:14px;
    opacity:0;
    transition:opacity .35s ease;
  }
  .poster-card:hover .mask{opacity:1;}
  .poster-card .mask h4{
    font-size:.86rem;
    font-weight:700;
    margin:0 0 4px;
    color:#fff;
    line-height:1.35;
  }
  .poster-card .mask span{
    font-size:.72rem;
    color:var(--brand);
    font-weight:600;
  }

  /* FAQ 手风琴 */
  .faq-list{display:grid;gap:14px;}
  details.faq-item{
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    padding:0;
    overflow:hidden;
    transition:border-color .25s;
  }
  details.faq-item[open]{
    border-color:rgba(34,211,238,.5);
  }
  details.faq-item summary{
    cursor:pointer;
    list-style:none;
    padding:20px 52px 20px 22px;
    font-weight:600;
    font-size:1rem;
    position:relative;
    color:var(--text);
  }
  details.faq-item summary::-webkit-details-marker{display:none;}
  details.faq-item summary::after{
    content:"\f078";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    right:22px;top:50%;
    transform:translateY(-50%);
    font-size:.78rem;
    color:var(--brand);
    transition:transform .3s;
  }
  details.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
  details.faq-item p{
    margin:0;
    padding:0 22px 22px;
    color:var(--muted);
    font-size:.95rem;
  }

  /* CTA */
  .cta-box{
    position:relative;
    border-radius:var(--radius-lg);
    border:1px solid var(--line);
    background:linear-gradient(120deg,rgba(34,211,238,.12),rgba(251,146,60,.1)),var(--bg-soft);
    padding:52px 40px;
    text-align:center;
    overflow:hidden;
  }
  .cta-box h2{
    font-size:clamp(1.5rem,2.6vw,2rem);
    font-weight:800;
    margin:0 0 14px;
  }
  .cta-box p{
    color:var(--muted);
    max-width:620px;
    margin:0 auto 28px;
  }

  /* 友链 */
  .friend-links{
    max-width:1200px;
    margin:0 auto;
    padding:8px 20px 56px;
    position:relative;
    z-index:1;
  }
  .friend-links h3{
    font-size:.95rem;
    font-weight:700;
    color:var(--accent);
    letter-spacing:1.6px;
    text-transform:uppercase;
    margin:0 0 14px;
  }
  .friend-links .fl-box{
    border:1px dashed var(--line);
    border-radius:var(--radius-md);
    padding:20px 22px;
    color:var(--muted);
    font-size:.92rem;
    background:rgba(255,255,255,.015);
    word-break:break-all;
  }

  /* 页脚 */
  footer.site-footer{
    position:relative;
    z-index:1;
    border-top:1px solid var(--line);
    background:rgba(9,14,26,.7);
    padding:44px 20px 30px;
  }
  .footer-inner{
    max-width:1200px;
    margin:0 auto;
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:32px;
  }
  .footer-inner h4{
    font-size:.92rem;
    font-weight:700;
    color:#fff;
    margin:0 0 14px;
  }
  .footer-inner p, .footer-inner li{
    color:var(--muted);
    font-size:.88rem;
  }
  .footer-inner ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
  .footer-inner ul a{color:var(--muted);transition:.22s;}
  .footer-inner ul a:hover{color:var(--brand);}
  .footer-bottom{
    max-width:1200px;
    margin:32px auto 0;
    padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    justify-content:space-between;
    color:var(--muted);
    font-size:.84rem;
  }

  @media (max-width:1024px){
    .poster-grid{grid-template-columns:repeat(4,1fr);}
    .feature-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:860px){
    .hero-inner{grid-template-columns:1fr;}
    .hero-cover{max-width:420px;margin:0 auto;}
    .article-cols{column-count:1;}
    .footer-inner{grid-template-columns:1fr;}
    .nav-toggle{display:inline-block;}
    .nav-links{
      display:none;
      position:absolute;
      top:100%;left:0;right:0;
      flex-direction:column;
      align-items:stretch;
      background:rgba(15,23,42,.98);
      border-bottom:1px solid var(--line);
      padding:14px 18px 20px;
      gap:6px;
    }
    .nav-links.open{display:flex;}
    .nav-links a{padding:11px 14px;}
  }
  @media (max-width:640px){
    .poster-grid{grid-template-columns:repeat(3,1fr);gap:11px;}
    .feature-grid{grid-template-columns:1fr;}
    section.block{padding:48px 18px;}
    .cta-box{padding:38px 22px;}
    table.compare{font-size:.86rem;}
    table.compare thead th, table.compare tbody td{padding:12px 13px;}
  }
  @media (max-width:420px){
    .poster-grid{grid-template-columns:repeat(2,1fr);}
  }

/* --- 子页面追加 --- */
/* ---------- 导航 ---------- */
  .site-nav {
    position:sticky;top:0;z-index:50;
    background:rgba(15,23,42,.82);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
.brand .name {white-space:nowrap}
/* ---------- 通用容器 ---------- */
  .wrap {max-width:1180px;margin:0 auto;padding:0 22px}
/* ---------- Hero ---------- */
  .about-hero {
    position:relative;overflow:hidden;
    padding:76px 0 54px;
    background:
      radial-gradient(900px 420px at 12% -10%, rgba(34,211,238,.16), transparent 62%),
      radial-gradient(760px 400px at 92% 6%, rgba(251,146,60,.13), transparent 60%);
    border-bottom:1px solid var(--line);
  }
.eyebrow {
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border-radius:var(--radius-pill);
    background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);
    color:var(--brand);font-size:.82rem;font-weight:600;letter-spacing:.4px;
  }
.about-hero h1 {
    font-size:clamp(1.9rem,4.4vw,3rem);
    font-weight:900;line-height:1.24;margin:20px 0 16px;letter-spacing:-.5px;
  }
.lede {max-width:760px;color:var(--muted);font-size:1.03rem;margin:0}
.hero-stats {
    display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;
  }
.stat-chip {
    background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-md);
    padding:14px 20px;min-width:150px;box-shadow:var(--shadow);
  }
.stat-chip b {display:block;font-size:1.35rem;font-weight:800;color:var(--brand)}
.stat-chip span {font-size:.82rem;color:var(--muted)}
/* ---------- Section ---------- */
  .sec {padding:62px 0}
.sec + .sec {border-top:1px solid var(--line)}
.sec-head {margin-bottom:30px;max-width:820px}
.sec-head h2 {
    font-size:clamp(1.35rem,2.7vw,1.9rem);font-weight:800;line-height:1.34;margin:0 0 12px;
    letter-spacing:-.3px;
  }
.sec-head p {color:var(--muted);margin:0;font-size:.98rem}
.sec-tag {
    display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:1.4px;
    color:var(--accent);text-transform:uppercase;margin-bottom:12px;
  }
/* ---------- 卡片网格 ---------- */
  .grid-3 {display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2 {display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.info-card {
    background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:26px 24px;box-shadow:var(--shadow);height:100%;
    transition:transform .25s,border-color .25s;
  }
.info-card:hover {transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.info-card .ico {
    width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:rgba(34,211,238,.12);color:var(--brand);font-size:1.1rem;margin-bottom:16px;
  }
.info-card h3 {font-size:1.04rem;font-weight:700;margin:0 0 10px}
.info-card p {margin:0;color:var(--muted);font-size:.92rem}
/* ---------- 流程步骤 ---------- */
  .flow-list {list-style:none;margin:0;padding:0;counter-reset:flow}
.flow-list li {
    position:relative;padding:20px 22px 20px 74px;margin-bottom:14px;
    background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-md);
  }
.flow-list li::before {
    counter-increment:flow;content:counter(flow,decimal-leading-zero);
    position:absolute;left:22px;top:20px;
    font-size:1rem;font-weight:800;color:var(--brand);
    font-variant-numeric:tabular-nums;
  }
.flow-list b {display:block;font-size:.98rem;margin-bottom:5px}
.flow-list span {color:var(--muted);font-size:.9rem}
/* ---------- 表格 ---------- */
  .tbl-wrap {overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--bg-card)}
table.cmp {width:100%;border-collapse:collapse;min-width:560px}
table.cmp th,table.cmp td {padding:15px 20px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line)}
table.cmp thead th {
    background:rgba(34,211,238,.08);color:var(--brand);font-weight:700;font-size:.83rem;
    letter-spacing:.5px;text-transform:uppercase;
  }
table.cmp tbody tr:last-child td {border-bottom:none}
table.cmp td:first-child {color:var(--text);font-weight:600}
table.cmp td {color:var(--muted)}
/* ---------- 引用块 ---------- */
  .quote-block {
    border-left:3px solid var(--brand);
    background:linear-gradient(90deg,rgba(34,211,238,.08),transparent);
    padding:20px 24px;border-radius:0 var(--radius-md) var(--radius-md) 0;
    margin:26px 0;color:var(--text);font-size:.98rem;
  }
.quote-block cite {display:block;margin-top:10px;color:var(--muted);font-size:.85rem;font-style:normal}
/* ---------- 联系 CTA ---------- */
  .cta {
    background:
      radial-gradient(600px 260px at 8% 10%, rgba(34,211,238,.16), transparent 65%),
      var(--bg-card);
    border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:36px 32px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
    box-shadow:var(--shadow);
  }
.cta h3 {margin:0 0 8px;font-size:1.2rem;font-weight:800}
.cta p {margin:0;color:var(--muted);font-size:.92rem;max-width:560px}
/* ---------- 页脚 ---------- */
  .site-foot {
    border-top:1px solid var(--line);background:var(--bg-soft);
    padding:46px 0 30px;margin-top:20px;
  }
.foot-grid {display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px}
.foot-grid h4 {font-size:.86rem;letter-spacing:1.2px;text-transform:uppercase;color:var(--brand);margin:0 0 14px;font-weight:700}
.foot-grid p {color:var(--muted);font-size:.88rem;margin:0}
.foot-links {list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-links a {color:var(--muted);font-size:.9rem;transition:.2s}
.foot-links a:hover {color:var(--brand)}
.foot-bottom {
    margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    color:var(--muted);font-size:.82rem;
  }
.grid-3 {grid-template-columns:1fr 1fr}
.foot-grid {grid-template-columns:1fr 1fr}
.grid-3,.grid-2 {grid-template-columns:1fr}
.sec {padding:48px 0}
.about-hero {padding:54px 0 40px}
.cta {padding:28px 22px}
.foot-grid {grid-template-columns:1fr}
.hero-stats {gap:10px}
.stat-chip {flex:1 1 130px}

/* --- 子页面追加 --- */
.contact-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;}
.contact-card {background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow);transition:.25s;}
.contact-card:hover {transform:translateY(-4px);border-color:rgba(34,211,238,.45);}
.contact-card .ico {width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;color:#06121f;background:linear-gradient(135deg,var(--brand),#5eead4);margin-bottom:16px;}
.contact-card h3 {font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px;}
.contact-card p {font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:12px;}
.mail-line {display:inline-block;font-size:14px;font-weight:600;color:var(--brand);word-break:break-all;}
.flow-list li b {color:var(--brand);}
.tip-box {background:linear-gradient(135deg,rgba(34,211,238,.10),rgba(251,146,60,.08));border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;font-size:14px;line-height:1.85;color:var(--muted);}
.tip-box strong {color:var(--text);}
.notice-row {display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line);}
.notice-row:last-child {border-bottom:none;}
.notice-row i {color:var(--accent);margin-top:4px;font-size:15px;}
.notice-row p {margin:0;font-size:14.5px;line-height:1.8;color:var(--muted);}
.notice-row p b {color:var(--text);}

/* --- 子页面追加 --- */
html,body {
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  }
.legal-hero {
    padding:56px 0 30px;
  }
.legal-hero .hero-eyebrow {
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;letter-spacing:.08em;text-transform:uppercase;
    color:var(--brand);
    border:1px solid var(--line);
    background:var(--bg-soft);
    padding:6px 14px;border-radius:var(--radius-pill);
  }
.legal-hero h1 {
    font-size:clamp(26px,4.4vw,42px);
    font-weight:800;line-height:1.25;margin:18px 0 12px;
  }
.legal-hero p.lead-text {
    color:var(--muted);max-width:760px;font-size:15.5px;line-height:1.85;margin:0;
  }
.legal-meta {
    display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;
  }
.legal-meta span {
    font-size:12.5px;color:var(--muted);
    background:var(--bg-card);
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    padding:5px 13px;
  }
.legal-section {padding:26px 0;}
.legal-card {
    background:var(--bg-card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow);
    padding:26px 24px;
    height:100%;
  }
.legal-card h2, .legal-card h3 {
    font-size:19px;font-weight:700;
    margin:0 0 14px;
    display:flex;align-items:flex-start;gap:10px;line-height:1.5;
  }
.legal-card h2 i, .legal-card h3 i {
    color:var(--brand);font-size:17px;margin-top:4px;flex:none;
  }
.legal-card p {
    color:var(--muted);font-size:14.5px;line-height:1.9;margin:0 0 12px;
  }
.legal-card p:last-child {margin-bottom:0;}
.legal-card ul {
    margin:0 0 12px;padding-left:0;list-style:none;
  }
.legal-card ul li {
    position:relative;padding-left:20px;
    color:var(--muted);font-size:14.5px;line-height:1.9;margin-bottom:8px;
  }
.legal-card ul li::before {
    content:"";position:absolute;left:2px;top:11px;
    width:7px;height:7px;border-radius:50%;
    background:var(--brand);opacity:.85;
  }
.legal-card ul li strong {color:var(--text);font-weight:600;}
.legal-card a {color:var(--brand);}
.legal-card a:hover {color:var(--accent);}
.clause-num {
    display:inline-flex;align-items:center;justify-content:center;
    width:26px;height:26px;border-radius:8px;flex:none;
    background:rgba(34,211,238,.14);
    color:var(--brand);font-size:13px;font-weight:700;
  }
.highlight-bar {
    background:var(--bg-soft);
    border:1px solid var(--line);
    border-left:3px solid var(--accent);
    border-radius:var(--radius-md);
    padding:16px 18px;
    color:var(--muted);font-size:14.5px;line-height:1.9;
    margin-top:8px;
  }
.highlight-bar strong {color:var(--text);}
.contact-cta {
    background:linear-gradient(135deg,rgba(34,211,238,.12),rgba(251,146,60,.10));
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:26px 24px;
    box-shadow:var(--shadow);
  }
.contact-cta h3 {font-size:19px;font-weight:700;margin:0 0 10px;}
.contact-cta p {color:var(--muted);font-size:14.5px;line-height:1.9;margin:0 0 18px;}
.site-footer .footer-inner {
    display:flex;flex-wrap:wrap;gap:16px 26px;
    align-items:center;justify-content:space-between;
  }
.site-footer .footer-brand {
    display:flex;align-items:center;gap:9px;
    font-weight:700;font-size:16px;color:var(--text);
  }
.site-footer .footer-brand .dot {
    width:9px;height:9px;border-radius:50%;
    background:var(--brand);box-shadow:0 0 12px rgba(34,211,238,.8);
  }
.site-footer .footer-links {
    display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0;padding:0;
  }
.site-footer .footer-links a {
    color:var(--muted);font-size:14px;
  }
.site-footer .footer-links a:hover {color:var(--brand);}
.site-footer .footer-copy {
    width:100%;color:var(--muted);font-size:13px;
    border-top:1px solid var(--line);padding-top:16px;margin-top:6px;
  }
.legal-card {padding:20px 18px;}
.legal-hero {padding:38px 0 22px;}

/* --- 子页面追加 --- */
/* 本页专属少量样式，主体复用站点 style.css */
  .sitemap-hero { padding: 72px 0 34px; }
.sitemap-hero .hero-eyebrow { margin-bottom: 14px; }
.sitemap-hero h1 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 800; line-height: 1.22; margin: 0 0 16px; }
.sitemap-hero p.lead { color: var(--muted); max-width: 760px; font-size: 16px; line-height: 1.85; margin: 0; }
.map-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 26px; }
.map-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 22px 22px 18px;
    box-shadow: var(--shadow);
    transition: transform .22s ease, border-color .22s ease;
  }
.map-card:hover { transform: translateY(-4px); border-color: rgba(34,211,238,.45); }
.map-card h3 { font-size: 17px; font-weight: 700; margin: 0 0 6px; display: flex; align-items: center; gap: 10px; }
.map-card h3 i { color: var(--brand); font-size: 15px; }
.map-card .map-desc { color: var(--muted); font-size: 13.5px; line-height: 1.75; margin: 0 0 14px; }
.map-card ul { list-style: none; padding: 0; margin: 0; }
.map-card ul li { border-top: 1px dashed var(--line); }
.map-card ul li:first-child { border-top: none; }
.map-card ul li a {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 2px; color: var(--text); text-decoration: none;
    font-size: 14px; transition: color .18s ease, padding-left .18s ease;
  }
.map-card ul li a:hover { color: var(--brand); padding-left: 8px; }
.map-card ul li a i { font-size: 11px; color: var(--accent); width: 12px; }
.map-card ul li a .tag {
    margin-left: auto; font-size: 11px; color: var(--muted);
    border: 1px solid var(--line); border-radius: var(--radius-pill);
    padding: 2px 9px;
  }
.flow-list li strong { color: var(--brand); }
.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill-row a {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: var(--radius-pill);
    border: 1px solid var(--line); background: var(--bg-soft);
    color: var(--text); text-decoration: none; font-size: 13.5px;
    transition: all .2s ease;
  }
.pill-row a:hover { border-color: var(--brand); color: var(--brand); }
.pill-row a i { color: var(--accent); font-size: 12px; }
.update-note {
    margin-top: 22px; padding: 16px 20px;
    background: var(--bg-soft); border: 1px dashed var(--line);
    border-radius: var(--radius-md); color: var(--muted);
    font-size: 13.5px; line-height: 1.85;
  }
.update-note strong { color: var(--text); }
.sitemap-hero { padding: 48px 0 22px; }