:root{
    --main:#dc2626;
    --accent:#fb923c;
    --bg:#141013;
    --text:#fef2f2;
    --line:rgba(254,242,242,.14);
    --muted:rgba(254,242,242,.62);
    --panel:rgba(254,242,242,.03);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
    font-weight:400;
    line-height:1.75;
    overflow-x:hidden;
  }
  a{text-decoration:none;color:inherit;}
  img{display:block;max-width:100%;}
  .mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.02em;}

  /* ---------- 导航 ---------- */
  .nav-wrap{
    position:fixed;top:0;left:0;right:0;z-index:1000;
    background:rgba(20,16,19,0);
    border-bottom:1px solid transparent;
    transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
  }
  .nav-wrap.scrolled{
    background:rgba(20,16,19,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{
    max-width:1280px;margin:0 auto;
    padding:16px 22px;
    display:flex;align-items:center;justify-content:space-between;
    gap:18px;
  }
  .brand{
    font-weight:900;font-size:1.32rem;letter-spacing:-.01em;
    display:flex;align-items:center;gap:9px;
    white-space:nowrap;
  }
  .brand .dot{
    width:9px;height:9px;border-radius:50%;
    background:linear-gradient(135deg,var(--main),var(--accent));
    display:inline-block;
  }
  .nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
  .nav-links a{
    font-size:.9rem;font-weight:500;
    padding:7px 13px;border-radius:2px;
    color:var(--muted);
    transition:color .2s ease,border-color .2s ease;
    border:1px solid transparent;
  }
  .nav-links a:hover{color:var(--text);border-color:var(--line);}
  .nav-links a.active{color:var(--text);border-color:var(--main);}
  .nav-toggle{
    display:none;background:none;border:1px solid var(--line);
    color:var(--text);padding:6px 11px;border-radius:2px;font-size:1rem;
  }
  @media(max-width:900px){
    .nav-toggle{display:block;}
    .nav-links{
      display:none;width:100%;
      flex-direction:column;align-items:stretch;
      padding:10px 0 4px;
      border-top:1px solid var(--line);margin-top:12px;
    }
    .nav-links.open{display:flex;}
    .nav-links a{padding:11px 6px;border:none;border-bottom:1px solid var(--line);border-radius:0;}
  }

  /* ---------- Hero 轮播 ---------- */
  .hero{
    position:relative;
    min-height:92vh;
    display:flex;align-items:center;
    padding:120px 0 60px;
    overflow:hidden;
    border-bottom:1px solid var(--line);
  }
  .hero-glow{
    position:absolute;inset:0;
    background:
      radial-gradient(900px 520px at 78% 18%,rgba(220,38,38,.34),transparent 62%),
      radial-gradient(700px 460px at 12% 82%,rgba(251,146,60,.20),transparent 60%);
    pointer-events:none;
  }
  .float-el{
    position:absolute;border-radius:50%;
    border:1px solid var(--line);
    pointer-events:none;
    animation:floaty 9s ease-in-out infinite;
  }
  .float-el.f1{width:180px;height:180px;top:16%;right:8%;border-color:rgba(220,38,38,.42);}
  .float-el.f2{width:96px;height:96px;bottom:20%;right:24%;border-color:rgba(251,146,60,.42);animation-delay:-3s;}
  .float-el.f3{width:56px;height:56px;top:26%;left:6%;border-color:rgba(254,242,242,.24);animation-delay:-5s;}
  @keyframes floaty{0%,100%{transform:translateY(0) rotate(0);}50%{transform:translateY(-22px) rotate(8deg);}}

  .hero-inner{position:relative;z-index:2;max-width:1280px;margin:0 auto;padding:0 22px;width:100%;}
  .hero-kicker{
    font-size:.76rem;letter-spacing:.32em;text-transform:uppercase;
    color:var(--accent);font-weight:600;margin-bottom:22px;
  }
  .hero-title{
    font-size:clamp(2.6rem,7vw,4.4rem);
    font-weight:900;line-height:1.02;letter-spacing:-.035em;
    margin:0 0 22px;max-width:16ch;
  }
  .grad-text{
    background:linear-gradient(100deg,var(--main) 0%,var(--accent) 62%,var(--text) 100%);
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }
  .hero-sub{
    max-width:56ch;color:var(--muted);font-size:1.03rem;margin-bottom:36px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:46px;}
  .btn-main{
    display:inline-flex;align-items:center;gap:9px;
    background:var(--main);color:#fff;
    padding:13px 28px;border-radius:2px;
    font-weight:700;font-size:.94rem;
    border:1px solid var(--main);
    transition:transform .25s ease,background .25s ease;
  }
  .btn-main:hover{transform:translateY(-2px);background:#b91c1c;}
  .btn-ghost{
    display:inline-flex;align-items:center;gap:9px;
    border:1px solid var(--line);color:var(--text);
    padding:13px 28px;border-radius:2px;
    font-weight:600;font-size:.94rem;
    transition:border-color .25s ease,transform .25s ease;
  }
  .btn-ghost:hover{border-color:var(--accent);transform:translateY(-2px);}

  .hero-stats{
    display:flex;flex-wrap:wrap;gap:0;
    border-top:1px solid var(--line);
    max-width:760px;
  }
  .stat{
    flex:1 1 150px;
    padding:22px 22px 4px 0;
  }
  .stat:not(:last-child){border-right:1px solid var(--line);padding-right:26px;margin-right:26px;}
  .stat-num{
    font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
    font-size:2.1rem;font-weight:700;line-height:1;
    color:var(--text);
  }
  .stat-num span{color:var(--accent);}
  .stat-label{font-size:.78rem;color:var(--muted);letter-spacing:.14em;margin-top:9px;text-transform:uppercase;}

  /* ---------- 通用区块 ---------- */
  .section{max-width:1280px;margin:0 auto;padding:86px 22px;border-bottom:1px solid var(--line);}
  .sec-head{margin-bottom:44px;}
  .sec-idx{
    font-family:ui-monospace,Menlo,monospace;
    font-size:.78rem;color:var(--accent);letter-spacing:.2em;margin-bottom:14px;display:block;
  }
  .sec-title{
    font-size:clamp(1.9rem,4vw,2.7rem);
    font-weight:900;letter-spacing:-.03em;line-height:1.1;margin:0 0 14px;
  }
  .sec-desc{color:var(--muted);max-width:64ch;font-size:.96rem;margin:0;}

  /* ---------- 分类入口 ---------- */
  .cat-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);
  }
  .cat-card{
    border-right:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:30px 24px;display:block;
    transition:background .25s ease;
    position:relative;
  }
  .cat-card:hover{background:var(--panel);}
  .cat-card i{font-size:1.35rem;color:var(--main);margin-bottom:16px;display:block;}
  .cat-name{font-size:1.06rem;font-weight:800;letter-spacing:-.01em;margin-bottom:6px;}
  .cat-meta{font-size:.79rem;color:var(--muted);font-family:ui-monospace,Menlo,monospace;}

  /* ---------- 海报墙 ---------- */
  .poster-wall{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(178px,1fr));
    gap:26px 20px;
  }
  .pcard{cursor:pointer;}
  .pthumb{
    position:relative;width:100%;aspect-ratio:2/3;
    background:linear-gradient(150deg,rgba(220,38,38,.16),rgba(251,146,60,.08));
    border:1px solid var(--line);
    overflow:hidden;
    transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
  }
  .pthumb img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s ease;
  }
  .pcard:hover .pthumb{
    transform:translateY(-8px);
    box-shadow:0 22px 44px -18px rgba(220,38,38,.62);
    border-color:rgba(220,38,38,.55);
  }
  .pcard:hover .pthumb img{transform:scale(1.06);}
  .badge-q{
    position:absolute;top:9px;left:9px;
    font-family:ui-monospace,Menlo,monospace;
    font-size:.66rem;font-weight:700;letter-spacing:.1em;
    padding:3px 7px;border-radius:1px;
    background:rgba(20,16,19,.82);
    border:1px solid var(--accent);
    color:var(--accent);
  }
  .badge-q.hd{border-color:var(--line);color:var(--text);}
  .p-rate{
    position:absolute;right:9px;bottom:9px;
    font-family:ui-monospace,Menlo,monospace;
    font-size:.75rem;font-weight:700;
    padding:3px 7px;background:var(--main);color:#fff;border-radius:1px;
  }
  .pname{font-size:.92rem;font-weight:700;margin:13px 0 3px;line-height:1.35;}
  .pmeta{font-size:.76rem;color:var(--muted);font-family:ui-monospace,Menlo,monospace;}

  /* ---------- 排行榜 ---------- */
  .rank-list{border-top:1px solid var(--line);}
  .rank-row{
    display:flex;align-items:center;gap:20px;
    padding:19px 6px;border-bottom:1px solid var(--line);
    transition:background .22s ease,padding-left .22s ease;
    cursor:pointer;
  }
  .rank-row:hover{background:var(--panel);padding-left:18px;}
  .rank-no{
    font-family:ui-monospace,Menlo,monospace;
    font-size:1.18rem;font-weight:700;width:44px;flex:0 0 44px;
    color:var(--muted);
  }
  .rank-row:nth-child(1) .rank-no,
  .rank-row:nth-child(2) .rank-no,
  .rank-row:nth-child(3) .rank-no{color:var(--main);}
  .rank-body{flex:1;min-width:0;}
  .rank-name{font-weight:700;font-size:1rem;margin-bottom:2px;}
  .rank-sub{font-size:.78rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .rank-score{
    font-family:ui-monospace,Menlo,monospace;
    font-size:1.02rem;font-weight:700;color:var(--accent);flex:0 0 auto;
  }
  .rank-tag{
    font-size:.72rem;padding:2px 8px;border:1px solid var(--line);border-radius:1px;
    color:var(--muted);flex:0 0 auto;
  }
  @media(max-width:640px){
    .rank-tag{display:none;}
    .rank-row{gap:12px;}
  }

  /* ---------- 表格 ---------- */
  .cmp-table{width:100%;border-collapse:collapse;font-size:.93rem;}
  .cmp-table th,.cmp-table td{
    border:1px solid var(--line);padding:16px 18px;text-align:left;vertical-align:top;
  }
  .cmp-table thead th{
    font-weight:800;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;
    color:var(--accent);background:var(--panel);
  }
  .cmp-table td:first-child{font-weight:700;white-space:nowrap;}
  .cmp-table tbody tr:hover{background:var(--panel);}

  /* ---------- 编号清单 ---------- */
  .steps{list-style:none;counter-reset:st;padding:0;margin:0;border-top:1px solid var(--line);}
  .steps li{
    counter-increment:st;
    position:relative;padding:22px 0 22px 66px;
    border-bottom:1px solid var(--line);
  }
  .steps li::before{
    content:counter(st,decimal-leading-zero);
    position:absolute;left:0;top:22px;
    font-family:ui-monospace,Menlo,monospace;
    font-size:1rem;font-weight:700;color:var(--main);
  }
  .steps h4{font-size:1rem;font-weight:800;margin:0 0 6px;}
  .steps p{margin:0;color:var(--muted);font-size:.9rem;}

  /* ---------- 专题 ---------- */
  .topic-box{
    border:1px solid var(--line);
    padding:0;
  }
  .topic-head{
    padding:34px 32px;border-bottom:1px solid var(--line);
    background:linear-gradient(115deg,rgba(220,38,38,.16),rgba(251,146,60,.06));
  }
  .topic-head h3{font-size:clamp(1.4rem,3vw,1.95rem);font-weight:900;letter-spacing:-.02em;margin:0 0 12px;}
  .topic-head p{margin:0;color:var(--muted);max-width:70ch;font-size:.95rem;}
  .topic-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
  .topic-col{padding:28px 32px;border-right:1px solid var(--line);}
  .topic-col:last-child{border-right:none;}
  .topic-col h4{font-size:.95rem;font-weight:800;margin:0 0 10px;color:var(--accent);}
  .topic-col p{margin:0;font-size:.9rem;color:var(--muted);}
  @media(max-width:760px){.topic-col{border-right:none;border-bottom:1px solid var(--line);}}

  /* ---------- 相关推荐 ---------- */
  .rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);}
  .rel-item{
    border-right:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:26px 24px;transition:background .25s ease;
  }
  .rel-item:hover{background:var(--panel);}
  .rel-item h4{font-size:1rem;font-weight:800;margin:0 0 8px;}
  .rel-item p{margin:0 0 14px;font-size:.87rem;color:var(--muted);}
  .rel-item span{font-size:.79rem;color:var(--main);font-weight:700;font-family:ui-monospace,Menlo,monospace;}

  /* ---------- 友链 ---------- */
  .friend{
    max-width:1280px;margin:0 auto;padding:56px 22px;
    border-bottom:1px solid var(--line);
  }
  .friend h3{font-size:.82rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:700;margin:0 0 20px;}
  .friend-inner{font-size:.9rem;color:var(--muted);line-height:2.1;}

  /* ---------- 页脚 ---------- */
  footer{padding:64px 22px 40px;}
  .foot-inner{max-width:1280px;margin:0 auto;}
  .foot-top{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;
    padding-bottom:40px;border-bottom:1px solid var(--line);
  }
  .foot-brand{font-size:1.2rem;font-weight:900;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
  .foot-brand .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--accent));}
  .foot-about{color:var(--muted);font-size:.88rem;max-width:40ch;}
  .foot-col h4{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 16px;font-weight:700;}
  .foot-col a{display:block;font-size:.89rem;color:var(--text);opacity:.8;padding:5px 0;transition:opacity .2s ease,color .2s;}
  .foot-col a:hover{opacity:1;color:var(--accent);}
  .foot-bottom{
    padding-top:26px;display:flex;flex-wrap:wrap;gap:12px;
    justify-content:space-between;font-size:.82rem;color:var(--muted);
  }
  @media(max-width:820px){
    .foot-top{grid-template-columns:1fr 1fr;}
  }
  @media(max-width:520px){
    .foot-top{grid-template-columns:1fr;}
    .stat:not(:last-child){border-right:none;margin-right:0;padding-right:0;}
    .stat{border-bottom:1px solid var(--line);padding-bottom:18px;}
  }

  /* ---------- 侧滑详情弹窗 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(10,8,9,.72);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s;
    z-index:2000;backdrop-filter:blur(3px);
  }
  .drawer-mask.open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:min(460px,100%);
    background:#191416;
    border-left:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .38s cubic-bezier(.22,.8,.3,1);
    z-index:2001;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-close{
    position:absolute;top:14px;right:14px;
    width:38px;height:38px;border-radius:50%;
    border:1px solid var(--line);background:rgba(20,16,19,.7);
    color:var(--text);font-size:1rem;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:border-color .2s ease,color .2s;
    z-index:3;
  }
  .drawer-close:hover{border-color:var(--main);color:var(--accent);}
  .drawer-poster{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line);}
  .drawer-poster img{width:100%;height:100%;object-fit:cover;}
  .drawer-body{padding:26px 26px 44px;}
  .drawer-title{font-size:1.5rem;font-weight:900;letter-spacing:-.02em;margin:0 0 10px;line-height:1.2;}
  .drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
  .drawer-tags span{
    font-size:.74rem;padding:3px 10px;border:1px solid var(--line);border-radius:1px;color:var(--muted);
    font-family:ui-monospace,Menlo,monospace;
  }
  .drow{
    display:flex;gap:16px;padding:13px 0;border-bottom:1px solid var(--line);font-size:.9rem;
  }
  .drow .k{flex:0 0 62px;color:var(--muted);font-size:.83rem;letter-spacing:.06em;}
  .drow .v{flex:1;color:var(--text);}
  .drow .v.score{color:var(--accent);font-weight:800;font-family:ui-monospace,Menlo,monospace;font-size:1.05rem;}
  .drawer-plot{margin-top:24px;}
  .drawer-plot h5{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;}
  .drawer-plot p{margin:0;font-size:.92rem;color:rgba(254,242,242,.86);line-height:1.85;}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
  .reveal.in{opacity:1;transform:none;}

/* --- 子页面追加 --- */
.about-hero {padding:72px 0 40px;position:relative;overflow:hidden;}
.about-hero::before {content:"";position:absolute;top:-160px;right:-120px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(220,38,38,.28),transparent 68%);pointer-events:none;}
.about-hero h1 {font-size:clamp(28px,4.6vw,46px);font-weight:900;letter-spacing:-.5px;line-height:1.22;margin:14px 0 16px;}
.about-hero p.lead-txt {color:var(--muted);font-size:16px;line-height:1.9;max-width:720px;}
.value-grid {display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:26px;}
.value-card {background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 22px;transition:.25s;}
.value-card:hover {border-color:rgba(220,38,38,.5);transform:translateY(-3px);}
.value-card i {font-size:22px;color:var(--accent);margin-bottom:12px;display:block;}
.value-card h3 {font-size:16.5px;font-weight:700;margin:0 0 8px;}
.value-card p {color:var(--muted);font-size:14px;line-height:1.85;margin:0;}
.about-block {margin-top:56px;}
.about-block h2 {font-size:clamp(20px,2.6vw,27px);font-weight:800;margin:0 0 18px;}
.about-block h2 .dot-mark {color:var(--main);}
.about-block p {color:var(--muted);font-size:15px;line-height:1.95;margin-bottom:14px;}
.about-block p strong {color:var(--text);font-weight:600;}
.split {display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start;}
.split {grid-template-columns:1fr;gap:22px;}
.fact-list {list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel);}
.fact-list li {display:flex;justify-content:space-between;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line);font-size:14px;}
.fact-list li:last-child {border-bottom:none;}
.fact-list li span:first-child {color:var(--muted);}
.fact-list li span:last-child {color:var(--text);font-weight:600;text-align:right;}
.steps li::after {content:"";position:absolute;left:17px;top:40px;bottom:6px;width:2px;background:var(--line);}
.steps li:last-child {padding-bottom:0;}
.steps li:last-child::after {display:none;}
.qa {border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:14px;background:var(--panel);}
.qa h4 {font-size:15.5px;font-weight:700;margin:0 0 10px;color:var(--text);}
.qa h4 i {color:var(--main);margin-right:8px;}
.qa p {color:var(--muted);font-size:14px;line-height:1.9;margin:0;}
.cta-strip {margin-top:56px;border:1px solid var(--line);border-radius:18px;padding:32px 28px;background:linear-gradient(135deg,rgba(220,38,38,.16),rgba(251,146,60,.08));display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;}
.cta-strip h3 {font-size:18px;font-weight:800;margin:0 0 6px;}
.cta-strip p {color:var(--muted);font-size:14px;margin:0;}

/* --- 子页面追加 --- */
.guide-wrap {max-width:1080px;margin:0 auto;padding:0 20px}
.guide-panel {background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px 26px 22px;height:100%}
.guide-panel h3 {font-size:19px;font-weight:700;margin:0 0 12px;color:var(--text);display:flex;align-items:center;gap:10px}
.guide-panel h3 i {color:var(--accent);font-size:17px}
.guide-panel p {color:var(--muted);font-size:15px;line-height:1.85;margin:0 0 10px}
.step-list {counter-reset:st;list-style:none;padding:0;margin:0}
.step-list li {position:relative;padding:14px 0 14px 52px;border-bottom:1px dashed var(--line);color:var(--muted);font-size:15px;line-height:1.8}
.step-list li:last-child {border-bottom:none}
.step-list li::before {counter-increment:st;content:counter(st);position:absolute;left:0;top:14px;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center}
.step-list li strong {color:var(--text);display:block;margin-bottom:2px;font-size:15.5px}
.tag-row {display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.tag-chip {display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(220,38,38,.08);color:var(--text);font-size:13.5px}
.faq-item {border:1px solid var(--line);border-radius:14px;background:var(--panel);margin-bottom:14px;overflow:hidden}
.faq-q {padding:16px 20px;font-weight:600;color:var(--text);font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q i {color:var(--accent);transition:transform .25s}
.faq-a {padding:0 20px 16px;color:var(--muted);font-size:14.5px;line-height:1.85;display:none}
.faq-item.open .faq-a {display:block}
.faq-item.open .faq-q i {transform:rotate(180deg)}
.tip-box {border-left:3px solid var(--accent);background:rgba(251,146,60,.07);border-radius:0 12px 12px 0;padding:14px 18px;color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:16px}
.tip-box strong {color:var(--accent)}
.mini-nav {display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.mini-nav a {padding:8px 16px;border-radius:10px;border:1px solid var(--line);color:var(--muted);font-size:14px;text-decoration:none;transition:.2s}
.mini-nav a:hover {border-color:var(--main);color:var(--text);background:rgba(220,38,38,.1)}
.device-row {display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:8px}
.device-card {border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--panel)}
.device-card i {font-size:22px;color:var(--accent)}
.device-card h4 {font-size:15.5px;margin:10px 0 6px;color:var(--text);font-weight:700}
.device-card p {color:var(--muted);font-size:14px;line-height:1.8;margin:0}
.guide-panel {padding:20px 18px}
.step-list li {padding-left:44px}

/* --- 子页面追加 --- */
.doc-wrap {max-width:900px;margin:0 auto;}
.doc-block {background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 28px;margin-bottom:22px;}
.doc-block h2 {font-size:1.3rem;font-weight:800;margin-bottom:14px;letter-spacing:.2px;}
.doc-block h3 {font-size:1.02rem;font-weight:700;color:var(--accent);margin:18px 0 8px;}
.doc-block p,.doc-block li {color:var(--muted);line-height:1.85;font-size:.95rem;}
.doc-block ul {padding-left:20px;margin:10px 0;}
.doc-block li {margin-bottom:8px;}
.doc-block strong {color:var(--text);font-weight:600;}
.doc-num {display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:rgba(220,38,38,.16);color:var(--main);font-weight:800;font-size:.8rem;margin-right:10px;}
.doc-head {display:flex;align-items:center;}
.doc-meta {color:var(--muted);font-size:.85rem;margin-bottom:34px;}
.doc-tip {border-left:3px solid var(--main);background:rgba(220,38,38,.08);padding:14px 18px;border-radius:0 12px 12px 0;margin:16px 0;}
.doc-tip p {margin:0;color:var(--text);font-size:.92rem;}
.doc-block {padding:20px 18px;}