/* roulang page: index */
:root{
      --bg:#fbf4ea;
      --bg-2:#fffaf3;
      --ink:#241b1c;
      --muted:#75686a;
      --weak:#9a8d8f;
      --primary:#7b1f3a;
      --primary-dark:#5e1730;
      --primary-soft:#f6dfe7;
      --accent:#f0a26b;
      --accent-soft:#fff0df;
      --line:rgba(123,31,58,.16);
      --line-2:rgba(92,55,66,.10);
      --card:#fffaf3;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 18px 60px rgba(79,32,45,.12);
      --shadow-card:0 12px 36px rgba(88,57,47,.10);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(240,162,107,.20), transparent 28%),
        radial-gradient(circle at 86% 10%, rgba(123,31,58,.13), transparent 30%),
        linear-gradient(180deg,var(--bg),#fffaf3 42%,#fbf4ea);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:var(--primary);color:#fff}
    .site-container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .skip-link{
      position:absolute;left:16px;top:-60px;background:var(--primary);color:#fff;
      padding:10px 14px;border-radius:999px;z-index:1000;transition:.2s ease;
    }
    .skip-link:focus{top:16px;outline:3px solid rgba(240,162,107,.55)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(251,244,234,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(123,31,58,.12);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.scrolled{box-shadow:0 10px 30px rgba(63,35,42,.08);background:rgba(255,250,243,.92)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;color:var(--primary);
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;color:#fff;
      background:linear-gradient(135deg,var(--primary),#a4435f 58%,var(--accent));
      box-shadow:0 12px 28px rgba(123,31,58,.24);
      font-size:15px;font-weight:900;
    }
    .brand-text{font-size:20px}
    .desktop-nav{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid rgba(123,31,58,.12);border-radius:999px;background:rgba(255,250,243,.62)}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:#584b4e;font-size:14px;font-weight:700;
      transition:background .2s ease,color .2s ease,transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{background:var(--primary-soft);color:var(--primary)}
    .nav-link:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 18px;border-radius:999px;font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      outline:none;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 32px rgba(123,31,58,.24)}
    .btn-primary:hover{background:var(--primary-dark);box-shadow:0 18px 40px rgba(123,31,58,.30);transform:translateY(-2px)}
    .btn-secondary{background:rgba(255,250,243,.78);color:var(--primary);border:1px solid var(--line)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:rgba(123,31,58,.28);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary);border:1px solid rgba(255,255,255,.55)}
    .btn-light:hover{background:#fff3e4;transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.faq-trigger:focus-visible{
      outline:3px solid rgba(240,162,107,.55);outline-offset:3px;
    }
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:16px;background:var(--primary-soft);color:var(--primary);
      align-items:center;justify-content:center;font-size:22px;font-weight:900;
    }
    .mobile-panel{
      display:none;border-top:1px solid rgba(123,31,58,.10);padding:12px 0 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{display:flex;padding:14px 16px;border-radius:16px;font-weight:800;color:#514447}
    .mobile-panel a:hover{background:var(--primary-soft);color:var(--primary)}
    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:86px 0}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(123,31,58,.08);
      color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.02em;
      border:1px solid rgba(123,31,58,.12);
    }
    .section-title{font-size:clamp(28px,4vw,40px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:14px 0 12px}
    .section-desc{max-width:760px;color:var(--muted);font-size:16px;line-height:1.85}
    .hero{
      padding:44px 0 76px;
    }
    .hero-stage{
      min-height:590px;border-radius:36px;overflow:hidden;position:relative;
      background:
        linear-gradient(120deg,rgba(36,27,28,.92),rgba(91,28,47,.88) 45%,rgba(166,72,89,.76)),
        radial-gradient(circle at 70% 20%, rgba(240,162,107,.55), transparent 34%);
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.22);
    }
    .hero-stage:before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(255,250,243,.08) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,250,243,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(90deg,#000,transparent 82%);
      opacity:.45;
    }
    .hero-stage:after{
      content:"";position:absolute;right:-110px;bottom:-140px;width:440px;height:440px;border-radius:999px;
      background:rgba(240,162,107,.25);filter:blur(12px);
    }
    .hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;padding:42px}
    .live-cover{
      min-height:500px;border-radius:30px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;
      background:
        linear-gradient(135deg,rgba(255,250,243,.14),rgba(255,255,255,.05)),
        radial-gradient(circle at 25% 20%, rgba(240,162,107,.25), transparent 30%);
      border:1px solid rgba(255,255,255,.22);
      color:#fff;
    }
    .age-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .badge{
      display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;
      font-size:13px;font-weight:900;line-height:1;border:1px solid transparent;white-space:nowrap;
    }
    .badge-hot{background:rgba(240,162,107,.18);color:#ffe5c9;border-color:rgba(240,162,107,.38)}
    .badge-safe{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}
    .badge-soft{background:var(--primary-soft);color:var(--primary);border-color:rgba(123,31,58,.13)}
    .badge-peach{background:var(--accent-soft);color:#9b5428;border-color:rgba(240,162,107,.25)}
    .live-dot{width:8px;height:8px;border-radius:50%;background:#ffc47c;box-shadow:0 0 0 6px rgba(240,162,107,.18)}
    .hero h1{
      max-width:790px;font-size:clamp(32px,5.2vw,58px);line-height:1.08;letter-spacing:-.055em;font-weight:950;margin:26px 0 18px;
    }
    .hero-lead{max-width:730px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.9}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .countdown{
      display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:24px;
    }
    .time-box{
      border-radius:18px;background:rgba(255,250,243,.10);border:1px solid rgba(255,255,255,.16);
      padding:13px;text-align:center;
    }
    .time-box strong{display:block;font-size:25px;line-height:1;font-weight:950;color:#fff}
    .time-box span{display:block;margin-top:7px;font-size:12px;color:rgba(255,255,255,.68)}
    .hero-side{display:grid;gap:16px}
    .panel{
      border-radius:28px;background:rgba(255,250,243,.92);border:1px solid rgba(255,255,255,.50);
      box-shadow:0 20px 45px rgba(36,27,28,.16);padding:22px;
    }
    .panel-dark{
      background:rgba(36,27,28,.58);border-color:rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(12px);
    }
    .panel-title{font-size:18px;font-weight:950;letter-spacing:-.02em}
    .panel-note{margin-top:6px;color:var(--muted);font-size:14px;line-height:1.7}
    .panel-dark .panel-note{color:rgba(255,255,255,.70)}
    .metric-line{display:grid;gap:11px;margin-top:18px}
    .metric-line-item{display:grid;gap:7px}
    .metric-line-head{display:flex;justify-content:space-between;color:#fff;font-size:13px;font-weight:800}
    .bar{height:9px;border-radius:999px;background:rgba(255,255,255,.16);overflow:hidden}
    .bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),#ffd6a5)}
    .mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
    .mini-stat{border-radius:20px;background:#fff;border:1px solid var(--line-2);padding:16px}
    .mini-stat strong{display:block;color:var(--primary);font-size:26px;font-weight:950;line-height:1}
    .mini-stat span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .card{
      background:rgba(255,250,243,.88);border:1px solid var(--line-2);border-radius:var(--radius-xl);
      box-shadow:var(--shadow-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(123,31,58,.24);background:#fffdf8}
    .dashboard-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;margin-top:34px;align-items:stretch;
    }
    .goal-card{padding:28px;min-height:360px;display:flex;flex-direction:column;justify-content:space-between}
    .goal-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
    .score{font-size:64px;line-height:1;font-weight:950;color:var(--primary);letter-spacing:-.06em}
    .score small{font-size:18px;color:var(--weak)}
    .progress-wrap{margin:28px 0}
    .progress-head{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);font-weight:800;margin-bottom:10px}
    .progress-track{height:18px;border-radius:999px;background:#f0e3d9;overflow:hidden;box-shadow:inset 0 2px 4px rgba(36,27,28,.06)}
    .progress-fill{height:100%;width:72%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#b44b67 68%,var(--accent))}
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-list li{display:flex;gap:10px;color:#4b3f42;font-weight:700}
    .check-list b{width:22px;height:22px;border-radius:999px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:13px;flex:0 0 auto}
    .metric-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .metric-card{padding:22px;position:relative;overflow:hidden}
    .metric-card:before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .metric-card .num{font-size:32px;line-height:1;font-weight:950;color:var(--primary);margin:18px 0 8px}
    .metric-card p{color:var(--muted);font-size:14px;line-height:1.7}
    .matrix-grid{display:grid;grid-template-columns:.95fr 1.35fr;gap:22px;margin-top:34px}
    .feature-main{
      padding:30px;color:#fff;overflow:hidden;position:relative;
      background:linear-gradient(140deg,var(--primary-dark),var(--primary) 55%,#b25d60);
    }
    .feature-main:after{content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:999px;background:rgba(240,162,107,.24)}
    .feature-main>*{position:relative;z-index:1}
    .feature-main h3{font-size:28px;font-weight:950;line-height:1.22;margin:18px 0 12px}
    .feature-main p{color:rgba(255,255,255,.78);line-height:1.85}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-card{padding:22px}
    .icon-pill{
      width:42px;height:42px;border-radius:16px;display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary);font-weight:950;margin-bottom:14px;
    }
    .feature-card h3{font-size:19px;font-weight:950;margin-bottom:8px;letter-spacing:-.02em}
    .feature-card p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;color:var(--primary);font-weight:900}
    .card-link span{transition:transform .2s ease}
    .card:hover .card-link span{transform:translateX(4px)}
    .compare-wrap{margin-top:34px;border-radius:30px;background:#fffaf3;border:1px solid var(--line-2);box-shadow:var(--shadow-card);overflow:hidden}
    .compare-row{
      display:grid;grid-template-columns:1fr 1.2fr 1.2fr;gap:0;border-bottom:1px solid var(--line-2);
    }
    .compare-row:last-child{border-bottom:0}
    .compare-cell{padding:20px 22px;display:flex;align-items:center;gap:10px;min-height:76px}
    .compare-head{background:linear-gradient(90deg,rgba(123,31,58,.10),rgba(240,162,107,.12));font-weight:950;color:var(--primary)}
    .compare-label{font-weight:950}
    .compare-cell p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .chosen{background:rgba(246,223,231,.42)}
    .support-wall{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;margin-top:34px;
    }
    .quote-card{padding:26px}
    .quote-card blockquote{font-size:20px;line-height:1.75;font-weight:850;letter-spacing:-.02em;margin:0}
    .quote-card cite{display:block;margin-top:18px;color:var(--muted);font-style:normal;font-weight:800}
    .bubble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .bubble{padding:20px;border-radius:24px;background:#fffaf3;border:1px solid var(--line-2);box-shadow:var(--shadow-card)}
    .bubble strong{display:block;color:var(--primary);font-size:18px;margin-bottom:6px}
    .bubble span{color:var(--muted);font-size:14px}
    .updates-layout{display:grid;grid-template-columns:1.55fr .65fr;gap:22px;margin-top:34px}
    .post-list{display:grid;gap:14px}
    .post-card{
      display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;padding:20px 22px;
      background:#fffaf3;border:1px solid var(--line-2);border-radius:24px;box-shadow:var(--shadow-card);
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(123,31,58,.24)}
    .post-card h3{font-size:18px;font-weight:950;margin:0 0 8px;letter-spacing:-.02em}
    .post-card:hover h3{color:var(--primary)}
    .post-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .post-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;color:var(--weak);font-size:13px;font-weight:800}
    .post-arrow{width:44px;height:44px;border-radius:16px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:950;transition:.2s ease}
    .post-card:hover .post-arrow{background:var(--primary);color:#fff;transform:translateX(3px)}
    .empty-state{padding:28px;border-radius:24px;background:#fffaf3;border:1px dashed rgba(123,31,58,.24);color:var(--muted);font-weight:800}
    .side-kpi{padding:24px;position:sticky;top:96px}
    .kpi-row{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--line-2)}
    .kpi-row:last-child{border-bottom:0}
    .kpi-row span{color:var(--muted)}
    .kpi-row b{color:var(--primary)}
    .faq-wrap{margin-top:34px;display:grid;gap:14px}
    .faq-item{border-radius:24px;background:#fffaf3;border:1px solid var(--line-2);box-shadow:var(--shadow-card);overflow:hidden}
    .faq-trigger{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:20px 24px;background:transparent;color:var(--ink);font-weight:950;text-align:left;
    }
    .faq-trigger .sign{width:32px;height:32px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;transition:transform .22s ease}
    .faq-panel{max-height:0;overflow:hidden;transition:max-height .26s ease, background .26s ease}
    .faq-panel p{margin:0;padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}
    .faq-item.open{background:linear-gradient(180deg,#fffaf3,var(--primary-soft))}
    .faq-item.open .sign{transform:rotate(45deg);background:var(--primary);color:#fff}
    .cta-section{padding:86px 0 96px}
    .cta-wrap{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:stretch;
      border-radius:34px;padding:28px;background:linear-gradient(135deg,rgba(123,31,58,.94),rgba(93,23,48,.92));
      box-shadow:var(--shadow);color:#fff;position:relative;overflow:hidden;
    }
    .cta-wrap:before{content:"";position:absolute;right:-120px;top:-120px;width:330px;height:330px;border-radius:999px;background:rgba(240,162,107,.22)}
    .cta-copy,.form-card{position:relative;z-index:1}
    .cta-copy{padding:18px}
    .cta-copy h2{font-size:clamp(28px,4vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:16px 0 14px}
    .cta-copy p{color:rgba(255,255,255,.76);line-height:1.9}
    .trust-list{display:grid;gap:12px;margin-top:24px}
    .trust-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14)}
    .trust-item b{color:#ffd7a8}
    .form-card{background:#fffaf3;color:var(--ink);border-radius:28px;padding:24px;box-shadow:0 16px 44px rgba(36,27,28,.20)}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    .field label{font-size:14px;font-weight:900;color:#514447}
    .field input,.field textarea,.field select{
      width:100%;border:1px solid var(--line-2);border-radius:16px;background:#fff;min-height:48px;
      padding:12px 14px;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(123,31,58,.45);box-shadow:0 0 0 4px rgba(123,31,58,.10);background:#fffdf9;
    }
    .form-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:12px}
    .site-footer{background:#241b1c;color:#f7eee7;padding:56px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:950;font-size:20px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-desc{margin-top:16px;color:rgba(247,238,231,.68);max-width:520px;line-height:1.85}
    .footer-col h3{font-size:15px;font-weight:950;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(247,238,231,.68);transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:#ffd7a8;transform:translateX(3px)}
    .copyright{border-top:1px solid rgba(255,255,255,.10);margin-top:34px;padding-top:20px;color:rgba(247,238,231,.56);font-size:13px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1024px){
      .desktop-nav{display:none}
      .menu-toggle{display:flex}
      .hero-content,.dashboard-grid,.matrix-grid,.support-wall,.updates-layout,.cta-wrap{grid-template-columns:1fr}
      .hero-stage{min-height:auto}
      .live-cover{min-height:430px}
      .side-kpi{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{height:68px}
      .brand-text{font-size:17px}
      .nav-actions .btn-secondary{display:none}
      .hero{padding:26px 0 54px}
      .hero-content{padding:20px;gap:18px}
      .hero-stage{border-radius:26px}
      .live-cover,.panel{border-radius:22px}
      .countdown{grid-template-columns:repeat(2,1fr)}
      .metric-cards,.feature-grid,.bubble-grid,.mini-grid{grid-template-columns:1fr}
      .compare-wrap{display:grid;gap:14px;background:transparent;border:0;box-shadow:none;overflow:visible}
      .compare-row{grid-template-columns:1fr;border:1px solid var(--line-2);border-radius:22px;overflow:hidden;background:#fffaf3;box-shadow:var(--shadow-card)}
      .compare-row.compare-head{display:none}
      .compare-cell{min-height:auto;padding:16px 18px}
      .compare-label{background:rgba(123,31,58,.07)}
      .post-card{grid-template-columns:1fr}
      .post-arrow{width:100%;height:42px}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .section-pad{padding:62px 0}
      .cta-section{padding:64px 0 72px}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .btn{width:100%;min-height:48px}
      .nav-actions{gap:8px}
      .nav-actions .btn-primary{width:auto;padding:11px 14px;font-size:14px}
      .hero-cta .btn{width:100%}
      .hero h1{font-size:32px}
      .hero-lead{font-size:15px}
      .score{font-size:48px}
      .cta-wrap{padding:18px;border-radius:26px}
      .form-card{padding:18px}
    }

/* roulang page: article */
:root{
      --bg:#fbf4ea;
      --bg-2:#fffaf3;
      --ink:#241b1c;
      --muted:#75686a;
      --weak:#9a8d8f;
      --primary:#7b1f3a;
      --primary-dark:#5e1730;
      --primary-soft:#f6dfe7;
      --accent:#f0a26b;
      --accent-soft:#fff0df;
      --line:rgba(123,31,58,.16);
      --line-2:rgba(92,55,66,.10);
      --card:#fffaf3;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow:0 18px 60px rgba(79,32,45,.12);
      --shadow-card:0 12px 36px rgba(88,57,47,.10);
      --container:1200px;
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(240,162,107,.20), transparent 28%),
        radial-gradient(circle at 86% 10%, rgba(123,31,58,.13), transparent 30%),
        linear-gradient(180deg,var(--bg),#fffaf3 42%,#fbf4ea);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    .site-container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(251,244,234,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(123,31,58,.12);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.scrolled{box-shadow:0 10px 30px rgba(63,35,42,.08);background:rgba(255,250,243,.92)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;color:var(--primary);
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;color:#fff;
      background:linear-gradient(135deg,var(--primary),#a4435f 58%,var(--accent));
      box-shadow:0 12px 28px rgba(123,31,58,.24);
      font-size:15px;font-weight:900;
    }
    .brand-text{font-size:20px}
    .desktop-nav{display:flex;align-items:center;gap:8px;padding:6px;border:1px solid rgba(123,31,58,.12);border-radius:999px;background:rgba(255,250,243,.62)}
    .nav-link{
      padding:10px 14px;border-radius:999px;color:#584b4e;font-size:14px;font-weight:700;
      transition:background .2s ease,color .2s ease,transform .2s ease;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link.active{background:var(--primary-soft);color:var(--primary)}
    .nav-link:active{transform:translateY(1px)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 18px;border-radius:999px;font-weight:800;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
      outline:none;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 32px rgba(123,31,58,.24)}
    .btn-primary:hover{background:var(--primary-dark);box-shadow:0 18px 40px rgba(123,31,58,.30);transform:translateY(-2px)}
    .btn-secondary{background:rgba(255,250,243,.78);color:var(--primary);border:1px solid var(--line)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:rgba(123,31,58,.28);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--primary);border:1px solid rgba(255,255,255,.55)}
    .btn-light:hover{background:#fff3e4;transform:translateY(-2px)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,.toc-link:focus-visible{
      outline:3px solid rgba(240,162,107,.55);outline-offset:3px;
    }
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:16px;background:var(--primary-soft);color:var(--primary);
      align-items:center;justify-content:center;font-size:22px;font-weight:900;
    }
    .mobile-panel{
      display:none;border-top:1px solid rgba(123,31,58,.10);padding:12px 0 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{display:flex;padding:14px 16px;border-radius:16px;font-weight:800;color:#514447}
    .mobile-panel a:hover{background:var(--primary-soft);color:var(--primary)}
    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:78px 0}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:rgba(123,31,58,.08);
      color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.02em;
      border:1px solid rgba(123,31,58,.12);
    }
    .section-title{font-size:clamp(28px,4vw,40px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:14px 0 12px}
    .section-desc{max-width:760px;color:var(--muted);font-size:16px;line-height:1.85}
    .badge{
      display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;
      font-size:13px;font-weight:900;line-height:1;border:1px solid transparent;white-space:nowrap;
    }
    .badge-hot{background:rgba(240,162,107,.18);color:#7b3f19;border-color:rgba(240,162,107,.38)}
    .badge-safe{background:rgba(123,31,58,.08);color:var(--primary);border-color:rgba(123,31,58,.14)}
    .badge-muted{background:rgba(117,104,106,.08);color:#625456;border-color:rgba(117,104,106,.13)}
    .article-hero{padding:42px 0 34px}
    .article-shell{
      border-radius:36px;
      overflow:hidden;
      background:
        linear-gradient(120deg,rgba(36,27,28,.94),rgba(91,28,47,.90) 52%,rgba(166,72,89,.78)),
        radial-gradient(circle at 78% 24%, rgba(240,162,107,.52), transparent 34%);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:var(--shadow);
      position:relative;
    }
    .article-shell:before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(255,250,243,.08) 1px,transparent 1px),
        linear-gradient(0deg,rgba(255,250,243,.08) 1px,transparent 1px);
      background-size:42px 42px;
      opacity:.36;
      mask-image:linear-gradient(90deg,#000,transparent 88%);
    }
    .article-head{
      position:relative;z-index:2;
      display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;
      padding:42px;
      color:#fffaf3;
    }
    .breadcrumbs{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
      color:rgba(255,250,243,.78);font-size:14px;font-weight:750;margin-bottom:18px;
    }
    .breadcrumbs a{transition:color .2s ease}
    .breadcrumbs a:hover{color:#fff}
    .breadcrumb-current{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff}
    .article-title{
      font-size:clamp(30px,5vw,52px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.045em;
      margin:16px 0 16px;
      max-width:850px;
    }
    .article-summary{
      color:rgba(255,250,243,.82);
      font-size:17px;
      line-height:1.9;
      max-width:780px;
      margin:0;
    }
    .meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .article-cover-card{
      align-self:stretch;
      border-radius:30px;
      background:rgba(255,250,243,.12);
      border:1px solid rgba(255,255,255,.20);
      box-shadow:0 20px 56px rgba(22,10,15,.22);
      padding:18px;
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      backdrop-filter:blur(12px);
    }
    .vertical-cover{
      border-radius:24px;
      min-height:246px;
      background:
        radial-gradient(circle at 26% 18%, rgba(240,162,107,.80), transparent 24%),
        radial-gradient(circle at 80% 60%, rgba(255,250,243,.28), transparent 30%),
        linear-gradient(160deg,#311920,#7b1f3a 58%,#c56f62);
      position:relative;
      overflow:hidden;
    }
    .vertical-cover:before{
      content:"";
      position:absolute;inset:16px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.28);
      background:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.02));
    }
    .vertical-cover:after{
      content:"安全封面";
      position:absolute;left:18px;bottom:18px;
      padding:8px 12px;border-radius:999px;
      background:rgba(36,27,28,.45);
      color:#fff;
      font-weight:900;
      font-size:13px;
      border:1px solid rgba(255,255,255,.22);
    }
    .cover-note{
      margin-top:16px;
      display:grid;
      gap:10px;
      color:rgba(255,250,243,.82);
      font-size:14px;
      line-height:1.65;
    }
    .cover-note strong{color:#fff}
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:34px;
      align-items:start;
      padding:34px 0 86px;
    }
    .article-card,.side-card,.recommend-card,.notice-card{
      background:rgba(255,250,243,.84);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-card);
    }
    .article-card{
      padding:42px;
      overflow:hidden;
    }
    .article-content{
      color:#34292b;
      font-size:17px;
      line-height:1.9;
      word-break:break-word;
    }
    .article-content h2{
      font-size:clamp(24px,3vw,32px);
      line-height:1.28;
      font-weight:950;
      letter-spacing:-.035em;
      margin:2.1em 0 .75em;
      padding-left:16px;
      border-left:5px solid var(--primary);
    }
    .article-content h3{
      font-size:22px;
      line-height:1.35;
      font-weight:900;
      margin:1.8em 0 .65em;
      color:#271c1e;
    }
    .article-content h4{
      font-size:18px;
      line-height:1.45;
      font-weight:900;
      margin:1.55em 0 .55em;
    }
    .article-content p{margin:0 0 1.2em}
    .article-content ul,.article-content ol{padding-left:1.45em;margin:0 0 1.35em}
    .article-content li{margin:.42em 0}
    .article-content a{color:var(--primary);font-weight:850;border-bottom:1px solid rgba(123,31,58,.25)}
    .article-content a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
    .article-content blockquote{
      margin:1.55em 0;
      padding:18px 20px;
      border-left:5px solid var(--accent);
      border-radius:0 20px 20px 0;
      background:var(--accent-soft);
      color:#5c4440;
      font-weight:750;
    }
    .article-content img{
      border-radius:24px;
      border:1px solid rgba(123,31,58,.12);
      box-shadow:0 14px 34px rgba(88,57,47,.10);
      margin:1.6em auto;
      background:linear-gradient(135deg,var(--primary-soft),var(--accent-soft));
    }
    .article-content hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line),transparent);
      margin:2.2em 0;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border-radius:20px;
      border:1px solid var(--line);
      margin:1.5em 0;
      font-size:15px;
    }
    .article-content th,.article-content td{
      padding:13px 14px;
      border-bottom:1px solid rgba(123,31,58,.10);
      text-align:left;
      vertical-align:top;
    }
    .article-content th{background:rgba(123,31,58,.08);color:var(--primary);font-weight:950}
    .article-content tr:last-child td{border-bottom:0}
    .article-content .tip,.article-content .notice{
      border-radius:22px;
      padding:18px 20px;
      background:rgba(123,31,58,.07);
      border:1px solid rgba(123,31,58,.14);
      color:#4d3d40;
      margin:1.5em 0;
    }
    .not-found{
      min-height:360px;
      display:grid;
      place-items:center;
      text-align:center;
      padding:36px 16px;
    }
    .not-found h2{font-size:32px;font-weight:950;letter-spacing:-.035em;margin:0 0 10px}
    .not-found p{color:var(--muted);max-width:560px;margin:0 auto 22px}
    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .side-card{padding:22px}
    .side-card h2,.side-card h3{
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
      margin:0 0 14px;
    }
    .toc-list{display:grid;gap:10px}
    .toc-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 13px;
      border-radius:16px;
      background:rgba(123,31,58,.06);
      color:#4f4245;
      font-size:14px;
      font-weight:850;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .toc-link:hover{background:var(--primary-soft);color:var(--primary);transform:translateX(2px)}
    .status-list{display:grid;gap:12px}
    .status-item{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:12px;border-radius:18px;background:rgba(255,255,255,.46);
      border:1px solid rgba(123,31,58,.10);
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .status-item strong{color:var(--ink)}
    .dot{
      width:10px;height:10px;border-radius:50%;background:var(--accent);
      box-shadow:0 0 0 6px rgba(240,162,107,.16);
      flex:0 0 auto;
    }
    .notice-card{
      padding:22px;
      background:
        radial-gradient(circle at 85% 15%, rgba(240,162,107,.22), transparent 30%),
        rgba(255,250,243,.88);
    }
    .notice-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .recommend-wrap{
      padding:0 0 92px;
    }
    .recommend-head{
      display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px;
    }
    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .recommend-card{
      padding:22px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .recommend-card:hover{
      transform:translateY(-4px);
      border-color:rgba(123,31,58,.28);
      box-shadow:0 18px 42px rgba(88,57,47,.14);
    }
    .recommend-card h3{
      font-size:19px;
      line-height:1.42;
      font-weight:950;
      letter-spacing:-.02em;
      margin:14px 0 10px;
    }
    .recommend-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
      margin:0 0 16px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .recommend-meta{
      margin-top:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--weak);
      font-size:13px;
      font-weight:850;
    }
    .arrow-link{color:var(--primary);font-weight:950;transition:transform .2s ease}
    .recommend-card:hover .arrow-link{transform:translateX(3px)}
    .reader-cta{
      margin-bottom:88px;
      border-radius:36px;
      background:
        radial-gradient(circle at 12% 20%, rgba(240,162,107,.30), transparent 30%),
        linear-gradient(120deg,var(--primary-dark),var(--primary));
      color:#fffaf3;
      padding:34px;
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .reader-cta:after{
      content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:999px;background:rgba(240,162,107,.18);
    }
    .reader-cta h2{font-size:clamp(25px,3vw,34px);font-weight:950;letter-spacing:-.04em;line-height:1.24;margin:0 0 8px;position:relative;z-index:1}
    .reader-cta p{margin:0;color:rgba(255,250,243,.80);position:relative;z-index:1}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
    .site-footer{
      background:#241b1c;
      color:#fffaf3;
      padding:58px 0 26px;
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";position:absolute;inset:auto -80px -180px auto;width:360px;height:360px;border-radius:999px;
      background:rgba(240,162,107,.16);filter:blur(4px);
    }
    .footer-grid{display:grid;grid-template-columns:1.25fr .7fr .7fr;gap:36px;position:relative;z-index:1}
    .footer-brand{display:inline-flex;align-items:center;gap:12px;font-size:20px;font-weight:950;color:#fff}
    .footer-desc{max-width:430px;margin:18px 0 0;color:rgba(255,250,243,.72);line-height:1.8}
    .footer-col h3{font-size:16px;font-weight:950;margin:0 0 14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(255,250,243,.72);font-weight:750;transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:rgba(255,250,243,.58);font-size:14px;position:relative;z-index:1;
    }
    @media (max-width:1024px){
      .desktop-nav{display:none}
      .menu-toggle{display:flex}
      .article-head{grid-template-columns:1fr}
      .article-cover-card{min-height:auto}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .recommend-grid{grid-template-columns:1fr 1fr}
      .reader-cta{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{height:auto;min-height:70px;gap:10px}
      .brand-text{font-size:17px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .nav-actions{gap:8px}
      .nav-actions .btn-secondary{display:none}
      .btn{min-height:44px;padding:11px 15px}
      .article-hero{padding:24px 0}
      .article-shell{border-radius:28px}
      .article-head{padding:26px}
      .article-title{font-size:31px}
      .article-summary{font-size:15px}
      .article-card{padding:26px 20px;border-radius:24px}
      .article-content{font-size:16px;line-height:1.85}
      .article-content h2{font-size:24px}
      .sidebar{grid-template-columns:1fr}
      .recommend-head{display:block}
      .recommend-grid{grid-template-columns:1fr}
      .reader-cta{padding:26px;border-radius:28px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .article-head{padding:22px}
      .breadcrumb-current{max-width:260px}
      .meta-row{gap:8px}
      .badge{font-size:12px}
      .article-cover-card{padding:14px;border-radius:24px}
      .vertical-cover{min-height:210px}
      .article-content table,.article-content thead,.article-content tbody,.article-content th,.article-content td,.article-content tr{display:block}
      .article-content tr{border-bottom:1px solid rgba(123,31,58,.10)}
      .article-content th{border-bottom:0}
      .article-content td{border-bottom:0}
    }