:root{
    --brand:#0891b2;
    --accent:#0ea5e9;
    --bg:#ecfeff;
    --ink:#083344;
    --ink-soft:#155e75;
    --line:rgba(8,145,178,.16);
    --card:#ffffff;
    --r-lg:24px;
    --r-md:18px;
    --r-sm:16px;
    --shadow-soft:0 10px 30px -12px rgba(8,51,68,.16),0 2px 8px -4px rgba(8,51,68,.08);
    --shadow-hover:0 22px 46px -16px rgba(8,145,178,.34),0 6px 16px -8px rgba(8,51,68,.16);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    background:
      radial-gradient(1100px 520px at 10% -10%, rgba(14,165,233,.16), transparent 62%),
      radial-gradient(900px 480px at 92% 4%, rgba(8,145,178,.13), transparent 60%),
      var(--bg);
    color:var(--ink);
    font-size:14px;
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  a{text-decoration:none;color:inherit;}
  h1,h2,h3,h4,h5{letter-spacing:-.015em;font-weight:800;color:var(--ink);margin:0;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 18px;}

  /* ---------- NAV ---------- */
  .topbar{
    position:sticky;top:0;z-index:60;
    backdrop-filter:blur(14px);
    background:rgba(236,254,255,.82);
    border-bottom:1px solid var(--line);
  }
  .topbar-in{display:flex;align-items:center;gap:16px;min-height:64px;}
  .brand{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:900;font-size:1.12rem;color:var(--ink);
    white-space:nowrap;
  }
  .brand .bi{
    width:32px;height:32px;border-radius:11px;
    background:linear-gradient(135deg,var(--brand),var(--accent));
    color:#fff;display:grid;place-items:center;font-size:.86rem;
    box-shadow:0 8px 18px -8px rgba(8,145,178,.9);
  }
  .navlinks{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;}
  .navlinks a{
    padding:7px 12px;border-radius:11px;font-size:.845rem;font-weight:600;
    color:var(--ink-soft);transition:.2s;white-space:nowrap;
  }
  .navlinks a:hover{background:rgba(8,145,178,.1);color:var(--brand);}
  .navlinks a.on{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;box-shadow:0 8px 18px -10px rgba(8,145,178,.95);}
  .burger{
    margin-left:auto;display:none;border:1px solid var(--line);background:#fff;
    width:40px;height:40px;border-radius:12px;color:var(--brand);font-size:1rem;
  }
  @media(max-width:860px){
    .burger{display:grid;place-items:center;}
    .navlinks{
      display:none;width:100%;flex-direction:column;align-items:stretch;
      gap:2px;padding:8px 0 14px;margin-left:0;
    }
    .navlinks.open{display:flex;}
    .navlinks a{padding:10px 12px;font-size:.9rem;}
    .topbar-in{flex-wrap:wrap;}
  }

  /* ---------- HERO ---------- */
  .hero{position:relative;overflow:hidden;padding:64px 0 40px;}
  .hero-parallax{
    position:absolute;inset:-20% -10% auto -10%;height:150%;
    pointer-events:none;will-change:transform;
    background:
      radial-gradient(circle at 18% 26%, rgba(14,165,233,.22), transparent 55%),
      radial-gradient(circle at 78% 12%, rgba(8,145,178,.2), transparent 52%);
    z-index:0;
  }
  .floaty{position:absolute;border-radius:50%;pointer-events:none;z-index:0;filter:blur(.4px);}
  .f1{width:170px;height:170px;left:4%;top:16%;background:radial-gradient(circle at 30% 30%, rgba(14,165,233,.34), rgba(14,165,233,0) 70%);animation:float 9s ease-in-out infinite;}
  .f2{width:110px;height:110px;right:7%;top:52%;background:radial-gradient(circle at 40% 40%, rgba(8,145,178,.3), rgba(8,145,178,0) 70%);animation:float 11s ease-in-out infinite reverse;}
  .f3{width:58px;height:58px;right:26%;top:8%;background:radial-gradient(circle at 40% 40%, rgba(14,165,233,.4), rgba(14,165,233,0) 72%);animation:float 7s ease-in-out infinite;}
  @keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-22px,0)}}
  .hero-in{position:relative;z-index:2;}
  .kicker{
    display:inline-flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:6px 14px;font-size:.74rem;font-weight:700;letter-spacing:.06em;
    color:var(--brand);text-transform:uppercase;box-shadow:var(--shadow-soft);
  }
  .hero h1{
    font-size:clamp(1.9rem,5vw,3.4rem);
    line-height:1.14;margin:18px 0 12px;font-weight:900;
  }
  .grad{
    background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 48%,#22d3ee 100%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero p.lead-txt{max-width:620px;color:var(--ink-soft);font-size:.95rem;font-weight:500;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
  .stat{
    background:#fff;border-radius:var(--r-md);padding:12px 18px;
    box-shadow:var(--shadow-soft);border:1px solid var(--line);
    min-width:118px;
  }
  .stat b{display:block;font-size:1.24rem;font-weight:900;color:var(--brand);line-height:1.2;}
  .stat span{font-size:.72rem;color:var(--ink-soft);font-weight:600;}

  /* ---------- TIMELINE SPINE ---------- */
  .rail{
    position:relative;margin-top:40px;
  }
  .rail::before{
    content:"";position:absolute;left:19px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,rgba(8,145,178,.46),rgba(14,165,233,.12));
    border-radius:2px;
  }
  @media(min-width:992px){
    .rail::before{left:50%;transform:translateX(-1px);}
  }
  .node{position:relative;padding-left:56px;margin-bottom:34px;}
  .node::before{
    content:"";position:absolute;left:11px;top:22px;width:18px;height:18px;border-radius:50%;
    background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 6px rgba(8,145,178,.1);
    z-index:2;
  }
  @media(min-width:992px){
    .node{padding-left:0;}
    .node::before{left:50%;transform:translateX(-50%);}
  }

  /* ---------- SECTION ---------- */
  section{padding:52px 0;position:relative;}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px;}
  .sec-head h2{font-size:clamp(1.35rem,3vw,1.9rem);font-weight:900;}
  .sec-head h2 .dot{color:var(--accent);}
  .sec-head .sub{font-size:.82rem;color:var(--ink-soft);font-weight:600;max-width:520px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:7px;font-size:.72rem;font-weight:800;
    letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px;
  }
  .panel{
    background:var(--card);border-radius:var(--r-lg);border:1px solid var(--line);
    box-shadow:var(--shadow-soft);padding:26px;
  }

  /* ---------- FEATURE (icon list) ---------- */
  .feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  @media(max-width:700px){.feat-grid{grid-template-columns:1fr;}}
  .feat{
    display:flex;gap:14px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-soft);
    transition:transform .28s ease,box-shadow .28s ease;
  }
  .feat:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .feat-ic{
    flex:0 0 auto;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
    background:linear-gradient(140deg,rgba(8,145,178,.14),rgba(14,165,233,.2));
    color:var(--brand);font-size:1rem;
  }
  .feat h3{font-size:.95rem;font-weight:800;margin-bottom:4px;}
  .feat p{margin:0;font-size:.8rem;color:var(--ink-soft);font-weight:500;line-height:1.6;}

  /* ---------- POSTER GRID ---------- */
  .poster-grid{
    display:grid;grid-template-columns:repeat(6,1fr);gap:14px;width:100%;
  }
  @media(max-width:1100px){.poster-grid{grid-template-columns:repeat(4,1fr);}}
  @media(max-width:760px){.poster-grid{grid-template-columns:repeat(3,1fr);}}
  @media(max-width:480px){.poster-grid{grid-template-columns:repeat(2,1fr);}}
  .pcard{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    overflow:hidden;box-shadow:var(--shadow-soft);
    transition:transform .28s ease,box-shadow .28s ease;
    display:flex;flex-direction:column;cursor:pointer;
  }
  .pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
  .pcard .ph{
    position:relative;width:100%;aspect-ratio:2/3;overflow:hidden;
    background:linear-gradient(150deg,rgba(8,145,178,.18),rgba(14,165,233,.28));
  }
  .pcard .ph img{width:100%;height:100%;object-fit:cover;display:block;}
  .pcard .meta{padding:9px 10px 11px;}
  .pcard .meta h4{
    font-size:.79rem;font-weight:800;line-height:1.35;margin:0 0 3px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .pcard .meta span{font-size:.68rem;color:var(--brand);font-weight:700;letter-spacing:.02em;}
  .tagline{font-size:.74rem;font-weight:700;color:var(--accent);}

  /* ---------- ACCORDION / FAQ ---------- */
  .acc{display:flex;flex-direction:column;gap:10px;}
  .acc-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--shadow-soft);overflow:hidden;transition:box-shadow .26s ease,transform .26s ease;
  }
  .acc-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
  .acc-btn{
    width:100%;background:none;border:0;text-align:left;
    padding:16px 18px;display:flex;align-items:center;gap:12px;
    font-size:.88rem;font-weight:800;color:var(--ink);cursor:pointer;
  }
  .acc-btn .qi{
    flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
    background:rgba(8,145,178,.12);color:var(--brand);font-size:.72rem;font-weight:900;
  }
  .acc-btn .chev{margin-left:auto;color:var(--accent);transition:transform .28s ease;font-size:.8rem;}
  .acc-item.open .acc-btn .chev{transform:rotate(180deg);}
  .acc-body{
    max-height:0;overflow:hidden;transition:max-height .34s ease;
  }
  .acc-body p{
    margin:0;padding:0 18px 18px 56px;font-size:.82rem;color:var(--ink-soft);font-weight:500;
  }
  @media(max-width:560px){.acc-body p{padding-left:18px;}}

  /* ---------- INTRO BLOCK ---------- */
  .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;}
  @media(max-width:900px){.intro-grid{grid-template-columns:1fr;}}
  .intro-card{
    background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);
    box-shadow:var(--shadow-soft);padding:24px;
  }
  .intro-card h3{font-size:1.05rem;margin-bottom:10px;font-weight:900;}
  .intro-card p{font-size:.83rem;color:var(--ink-soft);font-weight:500;margin:0 0 12px;}
  .intro-card p:last-child{margin-bottom:0;}
  .mini-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
  .mini-list li{
    display:flex;gap:10px;font-size:.8rem;font-weight:600;color:var(--ink-soft);
    background:rgba(8,145,178,.055);border-radius:12px;padding:10px 12px;
  }
  .mini-list li i{color:var(--brand);margin-top:3px;font-size:.72rem;}

  /* timeline horizontal */
  .tline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px;}
  @media(max-width:760px){.tline{grid-template-columns:repeat(2,1fr);}}
  .tstep{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:15px;box-shadow:var(--shadow-soft);position:relative;
    transition:transform .28s ease,box-shadow .28s ease;
  }
  .tstep:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .tstep b{
    display:inline-grid;place-items:center;width:26px;height:26px;border-radius:9px;
    background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;
    font-size:.74rem;font-weight:900;margin-bottom:8px;
  }
  .tstep h4{font-size:.84rem;font-weight:800;margin-bottom:4px;}
  .tstep p{margin:0;font-size:.74rem;color:var(--ink-soft);font-weight:500;}

  /* ---------- CTA ---------- */
  .cta{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background:linear-gradient(130deg,rgba(8,145,178,.95),rgba(14,165,233,.92));
    color:#fff;padding:38px 30px;text-align:center;
    box-shadow:0 26px 54px -22px rgba(8,145,178,.75);
  }
  .cta h2{color:#fff;font-size:clamp(1.35rem,3.4vw,2rem);font-weight:900;margin-bottom:10px;}
  .cta p{color:rgba(255,255,255,.9);font-size:.85rem;font-weight:500;max-width:600px;margin:0 auto 20px;}
  .cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;}
  .btn-main{
    display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);
    font-weight:800;font-size:.85rem;padding:11px 22px;border-radius:999px;
    box-shadow:0 12px 26px -14px rgba(0,0,0,.5);transition:.24s;
  }
  .btn-main:hover{transform:translateY(-3px);color:var(--brand);}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.5);color:#fff;font-weight:700;font-size:.85rem;
    padding:11px 22px;border-radius:999px;transition:.24s;
  }
  .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;transform:translateY(-3px);}

  /* ---------- FRIEND LINKS / FOOTER ---------- */
  .flinks{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:20px 22px;box-shadow:var(--shadow-soft);
  }
  .flinks h5{font-size:.86rem;font-weight:900;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .flinks h5 i{color:var(--accent);}
  .flinks .fl-body{font-size:.78rem;color:var(--ink-soft);font-weight:500;word-break:break-all;}
  footer{
    border-top:1px solid var(--line);background:rgba(255,255,255,.66);
    padding:30px 0 26px;margin-top:34px;
  }
  .foot-in{display:flex;flex-wrap:wrap;gap:22px;justify-content:space-between;align-items:flex-start;}
  .foot-brand{font-weight:900;font-size:.95rem;display:flex;align-items:center;gap:8px;}
  .foot-brand .bi{
    width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-size:.7rem;
  }
  .foot-links{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.78rem;}
  .foot-links a{color:var(--ink-soft);font-weight:600;transition:.2s;}
  .foot-links a:hover{color:var(--brand);}
  .copy{font-size:.74rem;color:var(--ink-soft);font-weight:500;margin-top:10px;}

  /* ---------- BACK TO TOP ---------- */
  #toTop{
    position:fixed;right:18px;bottom:18px;z-index:80;
    width:46px;height:46px;border-radius:50%;border:0;
    background:linear-gradient(135deg,var(--brand),var(--accent));
    color:#fff;font-size:.95rem;display:grid;place-items:center;
    box-shadow:0 14px 28px -12px rgba(8,145,178,.9);
    opacity:0;visibility:hidden;transform:translateY(14px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s;
    cursor:pointer;
  }
  #toTop.show{opacity:1;visibility:visible;transform:translateY(0);}

  /* ---------- MODAL ---------- */
  .modal-mask{
    position:fixed;inset:0;z-index:100;display:none;
    background:rgba(8,51,68,.5);backdrop-filter:blur(4px);
    padding:18px;overflow-y:auto;
  }
  .modal-mask.show{display:block;}
  .modal-box{
    max-width:440px;margin:8vh auto;background:#fff;border-radius:var(--r-lg);
    padding:26px;box-shadow:0 30px 70px -20px rgba(8,51,68,.5);position:relative;
  }
  .modal-box h3{font-size:1.05rem;font-weight:900;margin-bottom:10px;padding-right:30px;}
  .modal-box p{font-size:.84rem;color:var(--ink-soft);font-weight:500;margin:0 0 8px;}
  .modal-close{
    position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:10px;
    border:1px solid var(--line);background:#f8feff;color:var(--brand);
    display:grid;place-items:center;cursor:pointer;font-size:.85rem;
  }
  .modal-close:hover{background:rgba(8,145,178,.1);}
  .pill{display:inline-block;background:rgba(8,145,178,.1);color:var(--brand);font-size:.7rem;font-weight:800;padding:3px 10px;border-radius:999px;margin:0 6px 6px 0;}

/* --- 子页面追加 --- */
/* 本页专属少量样式，复用站点变量与类名 */
  .guide-hero { padding: 72px 0 40px; }
.guide-hero h1 { font-size: clamp(28px, 4.4vw, 46px); line-height: 1.22; font-weight: 800; color: var(--ink); letter-spacing: -0.5px; margin: 14px 0 18px; }
.guide-hero p.lead { color: var(--ink-soft); font-size: 17px; line-height: 1.85; max-width: 720px; }
.guide-section { padding: 26px 0; }
.guide-section h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--ink); letter-spacing: -0.3px; margin-bottom: 10px; }
.guide-section h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin: 0 0 8px; }
.guide-section p, .guide-section li { color: var(--ink-soft); font-size: 15.5px; line-height: 1.9; }
.sec-sub { color: var(--ink-soft); margin-bottom: 26px; font-size: 15.5px; }
.step-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px 22px; height: 100%; box-shadow: var(--shadow-soft); transition: transform .25s ease, box-shadow .25s ease; position: relative; }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; font-weight: 800; font-size: 16px; margin-bottom: 14px; box-shadow: 0 8px 18px -8px rgba(8,145,178,.6); }
.tip-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); padding: 22px; height: 100%; box-shadow: var(--shadow-soft); transition: transform .25s ease, box-shadow .25s ease; }
.tip-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.tip-card .ic { width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: rgba(8,145,178,.1); color: var(--brand); font-size: 18px; margin-bottom: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 20px 22px; margin-bottom: 14px; box-shadow: var(--shadow-soft); }
.faq-item h3 { font-size: 16.5px; display: flex; gap: 10px; align-items: flex-start; }
.faq-item h3 i { color: var(--brand); margin-top: 4px; font-size: 15px; }
.faq-item p { margin: 8px 0 0; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { position: relative; padding-left: 28px; margin-bottom: 12px; }
.checklist li::before { content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; left: 0; top: 2px; color: var(--brand); font-size: 13px; }
.cta-band { background: linear-gradient(135deg, var(--brand), var(--accent)); border-radius: var(--r-lg); padding: 40px 32px; color: #fff; box-shadow: var(--shadow-hover); }
.cta-band h2 { color: #fff !important; }
.cta-band p { color: rgba(255,255,255,.92) !important; }
.cta-btn { display: inline-block; background: #fff; color: var(--brand); font-weight: 700; padding: 12px 28px; border-radius: 999px; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; box-shadow: 0 10px 24px -10px rgba(8,51,68,.5); }
.cta-btn:hover { transform: translateY(-2px); color: var(--brand); }
.cta-btn.ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.5); box-shadow: none; }
.cta-btn.ghost:hover { color: #fff; background: rgba(255,255,255,.24); }
.guide-hero { padding: 48px 0 24px; }
.guide-section { padding: 16px 0; }

/* --- 子页面追加 --- */
.rank-tabs {display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 22px}
.rank-tab {border:1px solid var(--line);background:var(--card);color:var(--ink-soft);
    padding:9px 18px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;
    transition:.22s;display:inline-flex;align-items:center;gap:8px}
.rank-tab:hover {border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.rank-tab.on {background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;border-color:transparent;
    box-shadow:0 10px 22px -12px rgba(8,145,178,.6)}
.rank-list {display:flex;flex-direction:column;gap:14px}
.rank-item {background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--shadow-soft);padding:18px 20px;display:flex;gap:18px;align-items:center;
    transition:.25s;position:relative;overflow:hidden}
.rank-item:hover {box-shadow:var(--shadow-hover);transform:translateY(-3px);border-color:rgba(8,145,178,.34)}
.rank-no {flex:0 0 auto;width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:19px;color:var(--brand);background:linear-gradient(135deg,rgba(8,145,178,.12),rgba(14,165,233,.18))}
.rank-item:nth-child(1) .rank-no {background:linear-gradient(135deg,#0891b2,#0ea5e9);color:#fff}
.rank-item:nth-child(2) .rank-no {background:linear-gradient(135deg,#0ea5e9,#67e8f9);color:#fff}
.rank-item:nth-child(3) .rank-no {background:linear-gradient(135deg,#06b6d4,#22d3ee);color:#fff}
.rank-body {flex:1 1 auto;min-width:0}
.rank-title {font-size:16.5px;font-weight:700;color:var(--ink);margin:0 0 4px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.rank-meta {font-size:13.5px;color:var(--ink-soft);line-height:1.6;margin:0}
.tag {font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px;color:var(--brand);
    background:rgba(8,145,178,.1);border:1px solid var(--line)}
.score {flex:0 0 auto;text-align:right;font-weight:800;font-size:20px;color:var(--brand);line-height:1.1}
.score small {display:block;font-size:11px;font-weight:500;color:var(--ink-soft);letter-spacing:.06em;margin-top:3px}
.rank-note {font-size:13px;color:var(--ink-soft);margin-top:10px}
.split-note {background:linear-gradient(135deg,rgba(8,145,178,.08),rgba(14,165,233,.06));
    border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;color:var(--ink-soft);font-size:14.5px;line-height:1.8}
.split-note strong {color:var(--ink)}
.rank-item {flex-wrap:wrap;gap:12px;padding:16px}
.rank-no {width:44px;height:44px;border-radius:13px;font-size:16px}
.score {font-size:17px;margin-left:auto}

/* --- 子页面追加 --- */
/* 本页专属少量补充样式，配色全部沿用站点变量 */
.about-hero {
  position:relative;
  padding:120px 0 70px;
  overflow:hidden;
}
.about-hero .hero-in {max-width:820px;position:relative;z-index:2;}
.about-hero h1 {
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.18;
  font-weight:900;
  letter-spacing:-.02em;
  margin:14px 0 18px;
  color:var(--ink);
}
.about-hero p.lead {
  font-size:clamp(1rem,1.3vw,1.12rem);
  color:var(--ink-soft);
  line-height:1.85;
  max-width:680px;
}
.about-hero .hero-stats {margin-top:34px;}
.about-sec {padding:26px 0 8px;}
.about-sec .panel {padding:clamp(22px,3vw,40px);}
.about-sec h2 {
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  margin:0 0 14px;
}
.about-sec h3 {
  font-size:1.05rem;
  font-weight:700;
  color:var(--ink);
  margin:0 0 8px;
}
.about-sec p {
  color:var(--ink-soft);
  line-height:1.9;
  font-size:.97rem;
  margin:0 0 14px;
}
.about-sec p:last-child {margin-bottom:0;}
.about-list {list-style:none;padding:0;margin:18px 0 0;}
.about-list li {
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  color:var(--ink-soft);
  line-height:1.8;
  font-size:.95rem;
}
.about-list li:last-child {border-bottom:0;}
.about-list li i {
  color:var(--brand);
  margin-top:4px;
  flex-shrink:0;
}
.about-list li strong {color:var(--ink);font-weight:700;}
.about-cards {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:22px;}
.about-card {
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow-soft);
  transition:transform .25s ease, box-shadow .25s ease;
}
.about-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.about-card i {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(8,145,178,.1);
  color:var(--brand);
  font-size:1.05rem;
  margin-bottom:12px;
}
.about-card h3 {font-size:1rem;margin-bottom:6px;color:var(--ink);font-weight:700;}
.about-card p {font-size:.9rem;line-height:1.75;color:var(--ink-soft);margin:0;}
.about-timeline {margin-top:22px;border-left:2px solid var(--line);padding-left:22px;}
.about-timeline .tl-item {position:relative;padding-bottom:22px;}
.about-timeline .tl-item:last-child {padding-bottom:0;}
.about-timeline .tl-item::before {
  content:"";
  position:absolute;left:-29px;top:5px;
  width:11px;height:11px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(8,145,178,.14);
}
.about-timeline .tl-item h3 {font-size:.98rem;margin-bottom:4px;}
.about-timeline .tl-item span {
  display:inline-block;
  font-size:.78rem;
  font-weight:600;
  color:var(--brand);
  letter-spacing:.04em;
  margin-bottom:4px;
}
.about-timeline .tl-item p {font-size:.92rem;margin:0;}
.about-cta {
  margin:40px 0 12px;
  background:linear-gradient(135deg,rgba(8,145,178,.1),rgba(14,165,233,.06));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(26px,3.4vw,44px);
  box-shadow:var(--shadow-soft);
}
.about-cta h2 {font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;color:var(--ink);margin:0 0 10px;}
.about-cta p {color:var(--ink-soft);line-height:1.85;margin:0 0 20px;max-width:640px;font-size:.96rem;}
.about-cta-links {display:flex;flex-wrap:wrap;gap:12px;}
.about-cta-links a {
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;
  border-radius:999px;
  font-weight:600;
  font-size:.93rem;
  text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.about-cta-links a.primary {
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 24px -10px rgba(8,145,178,.6);
}
.about-cta-links a.primary:hover {background:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.about-cta-links a.ghost {
  background:var(--card);
  color:var(--ink);
  border:1px solid var(--line);
}
.about-cta-links a.ghost:hover {transform:translateY(-2px);box-shadow:var(--shadow-soft);color:var(--brand);}
.about-hero {padding:96px 0 46px;}
.about-timeline {padding-left:16px;}
.about-timeline .tl-item::before {left:-23px;}

/* --- 子页面追加 --- */
.doc-hero {padding:64px 0 24px;}
.doc-hero h1 {font-size:clamp(28px,4.4vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin:14px 0 14px;}
.doc-hero p.lead {max-width:760px;color:var(--ink-soft);font-size:16.5px;line-height:1.85;margin:0;}
.doc-meta {display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;font-size:13.5px;color:var(--ink-soft);}
.doc-meta span i {color:var(--brand);margin-right:6px;}
.doc-layout {display:grid;grid-template-columns:240px 1fr;gap:38px;align-items:start;padding:26px 0 70px;}
.doc-toc {position:sticky;top:96px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 18px;box-shadow:var(--shadow-soft);}
.doc-toc h4 {font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin:0 0 14px;font-weight:700;}
.doc-toc a {display:block;font-size:14px;color:var(--ink-soft);text-decoration:none;padding:7px 10px;border-radius:10px;line-height:1.5;transition:.18s;}
.doc-toc a:hover {background:rgba(8,145,178,.08);color:var(--brand);}
.doc-body {min-width:0;}
.doc-card {background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 32px;box-shadow:var(--shadow-soft);margin-bottom:22px;scroll-margin-top:92px;}
.doc-card h2 {font-size:clamp(20px,2.4vw,25px);font-weight:800;color:var(--ink);letter-spacing:-.01em;margin:0 0 14px;display:flex;align-items:flex-start;gap:12px;line-height:1.4;}
.doc-card h2 .ic {flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-size:16px;margin-top:1px;}
.doc-card p {color:var(--ink-soft);font-size:15px;line-height:1.9;margin:0 0 12px;}
.doc-card p:last-child {margin-bottom:0;}
.doc-card ul {margin:0 0 4px;padding:0;list-style:none;}
.doc-card ul li {position:relative;padding:9px 0 9px 26px;color:var(--ink-soft);font-size:15px;line-height:1.8;border-bottom:1px dashed var(--line);}
.doc-card ul li:last-child {border-bottom:0;}
.doc-card ul li::before {content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:9px;color:var(--brand);font-size:12px;}
.doc-card strong {color:var(--ink);font-weight:600;}
.doc-note {background:rgba(8,145,178,.07);border-left:3px solid var(--brand);border-radius:0 14px 14px 0;padding:16px 18px;color:var(--ink-soft);font-size:14.5px;line-height:1.85;margin-top:6px;}
.doc-cta {background:linear-gradient(135deg,rgba(8,145,178,.10),rgba(14,165,233,.08));border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;}
.doc-cta h3 {margin:0 0 6px;font-size:19px;font-weight:800;color:var(--ink);}
.doc-cta p {margin:0;font-size:14px;color:var(--ink-soft);}
.btn-brand {display:inline-flex;align-items:center;gap:9px;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:600;font-size:14.5px;box-shadow:0 10px 24px -10px rgba(8,145,178,.6);transition:.22s;}
.btn-brand:hover {transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(8,145,178,.7);color:#fff;}
.doc-layout {grid-template-columns:1fr;gap:22px;}
.doc-toc {position:static;}
.doc-card {padding:24px 20px;}