/* roulang page: index */
:root{
      --bg-dark:#101010;
      --bg-graphite:#181716;
      --bg-panel:#22201d;
      --bg-paper:#f7f2e8;
      --bg-cream:#fffaf0;
      --text:#24211d;
      --muted:#6f675d;
      --line:rgba(36,33,29,.12);
      --line-dark:rgba(255,255,255,.13);
      --orange:#ff8a2a;
      --orange-deep:#ff7216;
      --mint:#35d0a7;
      --violet:#8b5cf6;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 24px 70px rgba(24,23,22,.14);
      --shadow-card:0 16px 45px rgba(36,33,29,.10);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(255,138,42,.18), transparent 28rem),
        linear-gradient(180deg,#101010 0,#181716 540px,#f7f2e8 541px,#fffaf0 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(255,138,42,.28)}
    .site-container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .skip-link{
      position:absolute;left:16px;top:-60px;background:var(--orange);color:#17120d;
      padding:10px 16px;border-radius:999px;z-index:1000;transition:.25s ease;
    }
    .skip-link:focus{top:16px;outline:3px solid rgba(255,255,255,.65)}
    .dock-wrap{position:fixed;z-index:80;top:18px;left:0;right:0;pointer-events:none}
    .dock{
      pointer-events:auto;
      width:min(980px,calc(100% - 32px));
      margin:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:10px 12px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(24,23,22,.78);
      backdrop-filter:blur(20px);
      -webkit-backdrop-filter:blur(20px);
      border-radius:999px;
      box-shadow:0 16px 55px rgba(0,0,0,.28);
    }
    .brand{
      display:flex;align-items:center;gap:10px;font-weight:900;color:#fff;letter-spacing:-.02em;
      min-width:0;
    }
    .brand-mark{
      width:34px;height:34px;border-radius:50%;
      background:conic-gradient(from 140deg,var(--orange),var(--mint),var(--violet),var(--orange));
      display:grid;place-items:center;box-shadow:0 0 0 5px rgba(255,255,255,.06);
      flex:0 0 auto;
    }
    .brand-mark span{width:13px;height:13px;border-radius:4px;background:#101010;transform:rotate(45deg)}
    .brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px}
    .nav-links{display:flex;align-items:center;gap:5px;padding:4px;background:rgba(255,255,255,.06);border-radius:999px}
    .nav-links a{
      color:rgba(255,255,255,.78);font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;
      transition:.22s ease;position:relative;
    }
    .nav-links a:hover,.nav-links a.active{color:#18120d;background:var(--orange)}
    .nav-links a:focus-visible,.btn:focus-visible,.icon-btn:focus-visible,.link-arrow:focus-visible,input:focus-visible{
      outline:3px solid rgba(255,138,42,.42);outline-offset:3px;
    }
    .dock-actions{display:flex;align-items:center;gap:8px}
    .dock-search{
      width:190px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:13px;
    }
    .dock-search::placeholder{color:rgba(255,255,255,.52)}
    .mobile-toggle{display:none}
    .mobile-panel{
      display:none;width:min(420px,calc(100% - 32px));margin:10px auto 0;padding:14px;
      background:rgba(24,23,22,.94);border:1px solid rgba(255,255,255,.14);border-radius:24px;
      box-shadow:0 18px 60px rgba(0,0,0,.30);pointer-events:auto;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:11px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:800;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
      cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:var(--orange);color:#17120d;box-shadow:0 12px 30px rgba(255,138,42,.30)}
    .btn-primary:hover{transform:translateY(-2px);background:#ff9a45;box-shadow:0 16px 38px rgba(255,138,42,.38)}
    .btn-secondary{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:#fff}
    .btn-secondary:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--text);box-shadow:var(--shadow-card)}
    .btn-light:hover{background:#fff4e5;border-color:rgba(255,138,42,.5);transform:translateY(-2px)}
    .icon-btn{
      width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;
    }
    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:88px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;padding:6px 11px;border-radius:999px;
      background:rgba(255,138,42,.12);color:#9b4e12;font-weight:900;font-size:13px;margin-bottom:12px;
    }
    .section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .section-title{font-size:clamp(28px,4vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.04em}
    .section-desc{max-width:650px;color:var(--muted);font-size:16px}
    .hero{padding:118px 0 56px;color:#fff}
    .hero-stage{
      position:relative;border:1px solid rgba(255,255,255,.12);border-radius:34px;
      background:
        linear-gradient(135deg,rgba(255,138,42,.12),transparent 34%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      box-shadow:0 30px 100px rgba(0,0,0,.30);
      overflow:hidden;
    }
    .hero-stage::before{
      content:"";position:absolute;inset:0;
      background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:18px 18px;opacity:.12;pointer-events:none;
    }
    .hero-top{position:relative;padding:44px 44px 28px;display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:center}
    .hero h1{font-size:clamp(34px,5.2vw,62px);line-height:1.08;font-weight:950;letter-spacing:-.055em;margin:16px 0}
    .hero p{color:rgba(255,255,255,.76);font-size:18px;max-width:760px}
    .hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .trust-badge{
      display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);padding:8px 12px;border-radius:999px;color:rgba(255,255,255,.78);
      font-size:13px;font-weight:800;
    }
    .trust-badge i{width:8px;height:8px;border-radius:50%;background:var(--mint)}
    .tool-panel{
      border-radius:30px;border:1px solid rgba(255,255,255,.13);background:rgba(16,16,16,.48);
      padding:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .search-demo{
      height:48px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);
      display:flex;align-items:center;justify-content:space-between;padding:0 14px 0 18px;color:rgba(255,255,255,.62);font-size:14px;
    }
    .demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
    .demo-card{
      min-height:104px;border-radius:22px;padding:15px;background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.11);position:relative;overflow:hidden;
    }
    .demo-card.wide{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .demo-label{color:rgba(255,255,255,.55);font-size:12px;font-weight:800}
    .demo-value{font-size:26px;font-weight:950;line-height:1.1;margin-top:8px}
    .status-line{height:8px;background:rgba(255,255,255,.10);border-radius:999px;overflow:hidden;margin-top:13px}
    .status-line span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--orange),var(--mint))}
    .hero-strip{
      position:relative;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.05);
    }
    .strip-item{padding:18px 22px;border-right:1px solid rgba(255,255,255,.10)}
    .strip-item:last-child{border-right:0}
    .strip-num{font-size:20px;font-weight:950;color:#fff}
    .strip-text{color:rgba(255,255,255,.62);font-size:13px;margin-top:2px}
    .card{
      border:1px solid var(--line);background:rgba(255,250,240,.78);border-radius:var(--radius-xl);
      box-shadow:var(--shadow-card);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
    }
    .card:hover{transform:translateY(-5px);border-color:rgba(255,138,42,.46);box-shadow:0 22px 60px rgba(36,33,29,.14)}
    .badge{
      display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;
      background:rgba(255,138,42,.12);color:#9b4e12;font-size:12px;font-weight:900;
    }
    .badge.mint{background:rgba(53,208,167,.13);color:#08785f}
    .badge.dark{background:rgba(36,33,29,.08);color:#4f463c}
    .benefit-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;grid-auto-rows:minmax(190px,auto);gap:18px}
    .benefit-card{padding:24px;position:relative;overflow:hidden}
    .benefit-card.large{grid-row:span 2;background:#fff}
    .benefit-card.dark-card{background:#181716;color:#fff;border-color:rgba(255,255,255,.12)}
    .benefit-card.dark-card p{color:rgba(255,255,255,.66)}
    .icon-tile{
      width:44px;height:44px;border-radius:16px;display:grid;place-items:center;
      background:rgba(255,138,42,.16);color:#b65c18;font-weight:950;margin-bottom:16px;
    }
    .benefit-card h3,.scenario-card h3,.case-card h3,.price-card h3{font-size:21px;line-height:1.25;font-weight:950;margin:10px 0}
    .benefit-card p,.scenario-card p,.case-card p,.price-card p{color:var(--muted);font-size:15px}
    .corner-dot{position:absolute;right:20px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 7px rgba(53,208,167,.12)}
    .scenario-wrap{background:rgba(255,255,255,.42);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .scenario-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:24px;align-items:stretch}
    .steps{padding:22px;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--line);box-shadow:var(--shadow-card)}
    .step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(36,33,29,.14)}
    .step:last-child{border-bottom:0}
    .step-no{width:34px;height:34px;border-radius:50%;background:var(--orange);display:grid;place-items:center;font-weight:950;color:#21160e}
    .step strong{font-size:17px}
    .step p{margin-top:2px;color:var(--muted);font-size:14px}
    .scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scenario-card{padding:22px;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--line);box-shadow:var(--shadow-card)}
    .link-arrow{
      display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-weight:900;color:#9b4e12;
      border-bottom:1px solid rgba(255,138,42,.35);transition:.2s ease;
    }
    .link-arrow:hover{gap:12px;color:#6f3308}
    .case-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}
    .case-card{padding:28px;background:#fff;border-radius:var(--radius-xl);border:1px solid var(--line);box-shadow:var(--shadow-card)}
    .case-main{min-height:330px;display:flex;flex-direction:column;justify-content:space-between}
    .metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .metric{padding:20px;border-radius:24px;background:#181716;color:#fff;border:1px solid rgba(255,255,255,.12)}
    .metric:nth-child(2),.metric:nth-child(3){background:#fff;color:var(--text);border-color:var(--line)}
    .metric b{font-size:30px;line-height:1;font-weight:950}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .metric:first-child span,.metric:last-child span{color:rgba(255,255,255,.62)}
    .price-wrap{background:#181716;color:#fff}
    .price-wrap .section-desc{color:rgba(255,255,255,.64)}
    .pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
    .price-card{
      position:relative;padding:26px;border-radius:30px;background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 55px rgba(0,0,0,.18);
      transition:.24s ease;
    }
    .price-card:hover{transform:translateY(-5px);border-color:rgba(255,138,42,.48)}
    .price-card.featured{background:#fffaf0;color:var(--text);border:2px solid var(--orange);transform:translateY(-10px)}
    .price-card.featured:hover{transform:translateY(-14px)}
    .price-card p{color:rgba(255,255,255,.62)}
    .price-card.featured p{color:var(--muted)}
    .price{font-size:36px;font-weight:950;margin:18px 0 8px}
    .price small{font-size:14px;color:inherit;opacity:.62}
    .feature-list{display:grid;gap:11px;margin:20px 0 24px}
    .feature-list li{display:flex;gap:10px;align-items:flex-start;color:inherit;font-size:14px}
    .feature-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);margin-top:9px;flex:0 0 auto}
    .guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .guard{padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-card)}
    .guard strong{display:block;font-size:17px;margin:10px 0 4px}
    .guard p{font-size:13px;color:var(--muted)}
    .timeline{margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .node{position:relative;padding:18px;border-radius:24px;background:rgba(255,138,42,.09);border:1px solid rgba(255,138,42,.18)}
    .node b{display:block;color:#9b4e12;margin-bottom:6px}
    .updates-layout{display:grid;grid-template-columns:1fr .42fr;gap:18px;align-items:start}
    .updates-list{display:grid;gap:12px}
    .post-item{
      display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:18px;
      background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);
      transition:.22s ease;
    }
    .post-item:hover{transform:translateY(-3px);border-color:rgba(255,138,42,.45)}
    .date-block{border-radius:18px;background:#181716;color:#fff;text-align:center;padding:10px 8px}
    .date-block span{display:block;font-size:12px;color:rgba(255,255,255,.62)}
    .post-title{font-size:18px;font-weight:950;line-height:1.35}
    .post-excerpt{font-size:14px;color:var(--muted);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .post-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
    .arrow-circle{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(255,138,42,.12);color:#9b4e12;font-weight:950}
    .recommend-box{position:sticky;top:100px;padding:22px;background:#181716;color:#fff;border-radius:28px;border:1px solid rgba(255,255,255,.12)}
    .recommend-box p{color:rgba(255,255,255,.65);font-size:14px}
    .empty-state{padding:28px;border-radius:28px;background:#fff;border:1px dashed rgba(36,33,29,.25);text-align:center;color:var(--muted);font-weight:800}
    .open-panel{
      display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:center;padding:34px;
      border-radius:34px;background:
      radial-gradient(circle at 88% 12%,rgba(53,208,167,.18),transparent 22rem),
      linear-gradient(135deg,#181716,#25211c);
      color:#fff;border:1px solid rgba(255,255,255,.12);box-shadow:0 28px 80px rgba(0,0,0,.22);
      overflow:hidden;
    }
    .open-panel p{color:rgba(255,255,255,.67)}
    .form-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:28px;padding:20px}
    .form-row{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px}
    .form-row input{height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.08);color:#fff;padding:0 16px}
    .form-row input::placeholder{color:rgba(255,255,255,.48)}
    .faq-list{display:grid;gap:12px;max-width:920px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-card);overflow:hidden}
    .faq-item summary{cursor:pointer;list-style:none;padding:20px 22px;font-weight:950;display:flex;justify-content:space-between;gap:18px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(255,138,42,.12);color:#9b4e12;flex:0 0 auto}
    .faq-item[open]{border-color:rgba(255,138,42,.42)}
    .faq-item[open] summary::after{content:"−";background:var(--orange);color:#20150c}
    .faq-answer{padding:0 22px 22px;color:var(--muted);font-size:15px;border-left:4px solid var(--orange);margin-left:22px;margin-bottom:20px}
    .final-cta{padding:76px 0}
    .cta-banner{
      padding:34px;border-radius:34px;background:
      radial-gradient(circle at 18% 20%,rgba(255,138,42,.32),transparent 18rem),
      linear-gradient(135deg,#101010,#211f1c);
      color:#fff;display:flex;align-items:center;justify-content:space-between;gap:22px;border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 85px rgba(0,0,0,.25);
    }
    .cta-banner p{color:rgba(255,255,255,.68);max-width:660px}
    .site-footer{background:#101010;color:#fff;padding:44px 0 28px;border-top:1px solid rgba(255,255,255,.10)}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:28px;align-items:start}
    .footer-title{font-weight:950;font-size:18px;margin-bottom:12px}
    .footer-desc,.footer-links a,.copyright{color:rgba(255,255,255,.62);font-size:14px}
    .footer-links{display:grid;gap:9px}
    .footer-links a:hover{color:var(--orange)}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10)}
    @media (max-width:1024px){
      .dock-search{display:none}
      .hero-top,.scenario-layout,.case-layout,.updates-layout,.open-panel{grid-template-columns:1fr}
      .benefit-grid{grid-template-columns:1fr 1fr}
      .benefit-card.large{grid-row:auto;grid-column:1/-1}
      .pricing-grid,.guard-grid{grid-template-columns:1fr 1fr}
      .price-card.featured{transform:none}
      .recommend-box{position:relative;top:auto}
    }
    @media (max-width:768px){
      body{background:linear-gradient(180deg,#101010 0,#181716 600px,#f7f2e8 601px,#fffaf0 100%)}
      .site-container{width:min(100% - 28px,var(--max))}
      .dock{border-radius:26px;padding:9px 10px}
      .nav-links,.dock-actions .btn{display:none}
      .mobile-toggle{display:grid}
      .mobile-panel.open{display:block}
      .mobile-panel a{display:flex;padding:12px 14px;border-radius:16px;color:#fff;font-weight:800}
      .mobile-panel a:hover{background:rgba(255,255,255,.08)}
      .hero{padding-top:104px}
      .hero-top{padding:28px 20px 22px}
      .hero p{font-size:16px}
      .hero-strip{grid-template-columns:1fr 1fr}
      .strip-item{border-bottom:1px solid rgba(255,255,255,.10)}
      .section-pad{padding:62px 0}
      .section-head{display:block}
      .benefit-grid,.scenario-grid,.pricing-grid,.guard-grid,.timeline,.footer-grid{grid-template-columns:1fr}
      .post-item{grid-template-columns:1fr;gap:12px}
      .date-block{text-align:left;display:inline-flex;gap:8px;width:max-content;padding:8px 12px}
      .arrow-circle{display:none}
      .form-row{grid-template-columns:1fr}
      .cta-banner{display:block}
      .cta-banner .hero-ctas{margin-top:20px}
    }
    @media (max-width:520px){
      .brand-text{max-width:176px}
      .hero h1{font-size:34px}
      .hero-ctas .btn,.cta-banner .btn{width:100%}
      .demo-grid{grid-template-columns:1fr}
      .demo-card.wide{grid-column:auto;display:block}
      .hero-strip{grid-template-columns:1fr}
      .strip-item{border-right:0}
      .open-panel,.cta-banner{padding:24px}
    }

/* roulang page: article */
:root{
      --bg-dark:#101010;
      --bg-graphite:#181716;
      --bg-panel:#22201d;
      --bg-paper:#f7f2e8;
      --bg-cream:#fffaf0;
      --text:#24211d;
      --muted:#6f675d;
      --line:rgba(36,33,29,.12);
      --line-dark:rgba(255,255,255,.13);
      --orange:#ff8a2a;
      --orange-deep:#ff7216;
      --mint:#35d0a7;
      --violet:#8b5cf6;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 24px 70px rgba(24,23,22,.14);
      --shadow-card:0 16px 45px rgba(36,33,29,.10);
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:'PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% -4%, rgba(255,138,42,.22), transparent 30rem),
        radial-gradient(circle at 88% 10%, rgba(53,208,167,.12), transparent 25rem),
        linear-gradient(180deg,#101010 0,#181716 430px,#f7f2e8 431px,#fffaf0 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(255,138,42,.35)}
    .site-container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .dock-wrap{
      position:fixed;
      top:18px;
      left:0;
      right:0;
      z-index:60;
      pointer-events:none;
    }
    .dock{
      width:min(1000px,calc(100% - 32px));
      margin-inline:auto;
      min-height:66px;
      padding:10px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      background:rgba(16,16,16,.76);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 20px 70px rgba(0,0,0,.30);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      pointer-events:auto;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      color:#fff;
      letter-spacing:-.02em;
      min-width:0;
      padding-left:4px;
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:50%;
      background:conic-gradient(from 140deg,var(--orange),var(--mint),var(--violet),var(--orange));
      display:grid;
      place-items:center;
      box-shadow:0 0 0 5px rgba(255,255,255,.06);
      flex:0 0 auto;
    }
    .brand-mark span{width:13px;height:13px;border-radius:4px;background:#101010;transform:rotate(45deg)}
    .brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:15px}
    .nav-links{display:flex;align-items:center;gap:5px;padding:4px;background:rgba(255,255,255,.06);border-radius:999px}
    .nav-links a{
      color:rgba(255,255,255,.78);
      font-size:14px;
      font-weight:700;
      padding:9px 16px;
      border-radius:999px;
      transition:.22s ease;
      position:relative;
    }
    .nav-links a:hover,.nav-links a.active{color:#18120d;background:var(--orange)}
    .nav-links a:focus-visible,.btn:focus-visible,.icon-btn:focus-visible,.link-arrow:focus-visible,input:focus-visible,.article-content a:focus-visible{
      outline:3px solid rgba(255,138,42,.42);
      outline-offset:3px;
    }
    .dock-actions{display:flex;align-items:center;gap:8px}
    .dock-search{
      width:190px;
      height:40px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      padding:0 14px;
      font-size:13px;
      transition:.22s ease;
    }
    .dock-search::placeholder{color:rgba(255,255,255,.52)}
    .dock-search:focus{background:rgba(255,255,255,.12);border-color:rgba(255,138,42,.55)}
    .mobile-toggle{display:none}
    .mobile-panel{
      display:none;
      width:min(420px,calc(100% - 32px));
      margin:10px auto 0;
      padding:14px;
      background:rgba(24,23,22,.94);
      border:1px solid rgba(255,255,255,.14);
      border-radius:24px;
      box-shadow:0 18px 60px rgba(0,0,0,.30);
      pointer-events:auto;
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .mobile-panel.open{display:grid;gap:8px}
    .mobile-panel a{
      color:rgba(255,255,255,.86);
      padding:12px 14px;
      border-radius:16px;
      font-weight:800;
      background:rgba(255,255,255,.06);
    }
    .mobile-panel a:hover{background:rgba(255,138,42,.18);color:#fff}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{background:var(--orange);color:#17120d;box-shadow:0 12px 30px rgba(255,138,42,.30)}
    .btn-primary:hover{transform:translateY(-2px);background:#ff9a45;box-shadow:0 16px 38px rgba(255,138,42,.38)}
    .btn-secondary{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.16);color:#fff}
    .btn-secondary:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:var(--line);color:var(--text);box-shadow:var(--shadow-card)}
    .btn-light:hover{background:#fff4e5;border-color:rgba(255,138,42,.5);transform:translateY(-2px)}
    .icon-btn{
      width:42px;
      height:42px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      display:grid;
      place-items:center;
      transition:.22s ease;
    }
    .icon-btn:hover{background:rgba(255,255,255,.16)}
    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 11px;
      border-radius:999px;
      background:rgba(255,138,42,.12);
      color:#9b4e12;
      font-weight:900;
      font-size:13px;
      margin-bottom:12px;
    }
    .section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .section-title{font-size:clamp(28px,4vw,42px);line-height:1.18;font-weight:950;letter-spacing:-.04em}
    .section-desc{max-width:650px;color:var(--muted);font-size:16px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      background:#fff3e5;
      color:#9b4e12;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(255,138,42,.22);
    }
    .badge.dark{
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.82);
      border-color:rgba(255,255,255,.13);
    }
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(53,208,167,.13)}
    .article-hero{
      padding:118px 0 34px;
      color:#fff;
    }
    .article-shell{
      border:1px solid rgba(255,255,255,.13);
      border-radius:34px;
      background:
        radial-gradient(circle at 14% 12%, rgba(255,138,42,.20), transparent 22rem),
        radial-gradient(circle at 90% 18%, rgba(139,92,246,.16), transparent 20rem),
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
      box-shadow:0 30px 100px rgba(0,0,0,.30);
      overflow:hidden;
      position:relative;
    }
    .article-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:46px 46px;
      opacity:.18;
      pointer-events:none;
    }
    .article-head{
      position:relative;
      padding:38px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:32px;
      align-items:end;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
    }
    .breadcrumb a,.breadcrumb span{
      display:inline-flex;
      align-items:center;
      min-height:32px;
      padding:6px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.78);
    }
    .breadcrumb a:hover{background:rgba(255,138,42,.18);color:#fff;border-color:rgba(255,138,42,.35)}
    .article-title{
      font-size:clamp(34px,5.2vw,58px);
      line-height:1.08;
      font-weight:950;
      letter-spacing:-.055em;
      margin:14px 0 18px;
      max-width:900px;
    }
    .article-summary{
      color:rgba(255,255,255,.76);
      font-size:17px;
      max-width:820px;
      line-height:1.8;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
    }
    .apply-panel{
      border-radius:28px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(16,16,16,.35);
      padding:22px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .apply-panel h2{
      font-size:21px;
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.03em;
      margin:14px 0 8px;
    }
    .apply-panel p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.75}
    .benefit-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
    .mini-stat{
      display:grid;
      grid-template-columns:36px 1fr;
      gap:10px;
      align-items:center;
      padding:12px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.11);
      margin-top:12px;
    }
    .mini-stat i{
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(255,138,42,.18);
      color:var(--orange);
      font-style:normal;
      font-weight:950;
    }
    .mini-stat strong{display:block;color:#fff;font-size:14px;line-height:1.25}
    .mini-stat small{display:block;color:rgba(255,255,255,.55);font-size:12px;margin-top:2px}
    .hero-strip{
      position:relative;
      padding:20px 38px 34px;
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:12px;
    }
    .strip-card{
      min-height:86px;
      border-radius:22px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      padding:16px;
      color:rgba(255,255,255,.78);
      transition:.22s ease;
    }
    .strip-card:hover{transform:translateY(-3px);border-color:rgba(255,138,42,.38);background:rgba(255,255,255,.095)}
    .strip-card strong{display:block;color:#fff;font-weight:950;margin-bottom:4px}
    .article-main{padding:56px 0 0}
    .reader-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 320px;
      gap:36px;
      align-items:start;
    }
    .content-card{
      background:rgba(255,250,240,.94);
      border:1px solid var(--line);
      border-radius:30px;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .feature-image{
      min-height:260px;
      position:relative;
      background:
        radial-gradient(circle at 24% 30%, rgba(255,138,42,.45), transparent 15rem),
        radial-gradient(circle at 76% 40%, rgba(53,208,167,.20), transparent 13rem),
        linear-gradient(135deg,#22201d,#101010);
      border-bottom:1px solid rgba(255,255,255,.1);
      display:grid;
      place-items:center;
      color:#fff;
    }
    .feature-image::before{
      content:"";
      position:absolute;
      inset:22px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(90deg,rgba(255,255,255,.08) 8px,transparent 8px) 0 0/34px 100%,
        rgba(255,255,255,.035);
    }
    .feature-inner{
      position:relative;
      width:min(560px,calc(100% - 48px));
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
      -webkit-backdrop-filter:blur(12px);
    }
    .feature-row{
      display:grid;
      grid-template-columns:72px 1fr auto;
      gap:14px;
      align-items:center;
      padding:12px;
      border-radius:18px;
      background:rgba(16,16,16,.30);
      border:1px solid rgba(255,255,255,.09);
    }
    .feature-thumb{
      height:48px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--orange),var(--violet));
      position:relative;
      overflow:hidden;
    }
    .feature-thumb::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:8px;
      border:1px solid rgba(255,255,255,.35);
    }
    .feature-line{height:9px;border-radius:999px;background:rgba(255,255,255,.22);margin:7px 0}
    .feature-line.short{width:62%}
    .pull-quote{
      margin:0;
      padding:30px 34px;
      background:#fff3e5;
      border-bottom:1px solid rgba(255,138,42,.18);
      color:#7a3d10;
      font-size:20px;
      line-height:1.65;
      font-weight:850;
      letter-spacing:-.02em;
      position:relative;
    }
    .pull-quote::before{
      content:"";
      width:7px;
      position:absolute;
      left:0;
      top:28px;
      bottom:28px;
      border-radius:999px;
      background:var(--orange);
    }
    .article-content{
      padding:38px;
      font-size:17px;
      line-height:1.85;
      color:#2d2924;
      word-break:break-word;
    }
    .article-content h2{
      font-size:clamp(24px,3vw,32px);
      line-height:1.25;
      font-weight:950;
      letter-spacing:-.035em;
      margin:46px 0 18px;
      padding-left:18px;
      position:relative;
    }
    .article-content h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.2em;
      width:6px;
      height:1.1em;
      border-radius:999px;
      background:var(--orange);
    }
    .article-content h3{
      font-size:22px;
      line-height:1.35;
      font-weight:900;
      margin:32px 0 14px;
      letter-spacing:-.02em;
    }
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:1.35em;margin:18px 0 24px}
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:30px 0;
      padding:22px 24px;
      border-left:5px solid var(--orange);
      border-radius:20px;
      background:#f7ead8;
      color:#5d5146;
      font-weight:700;
    }
    .article-content a{
      color:#b85c16;
      font-weight:850;
      text-decoration:underline;
      text-decoration-thickness:2px;
      text-underline-offset:4px;
      transition:.2s ease;
    }
    .article-content a:hover{color:var(--orange-deep)}
    .article-content img{border-radius:22px;margin:26px auto;border:1px solid var(--line);box-shadow:var(--shadow-card)}
    .article-content figure{margin:30px 0}
    .article-content figcaption{margin-top:10px;color:var(--muted);font-size:14px;text-align:center}
    .article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
    .article-content code{
      padding:.16em .42em;
      border-radius:8px;
      background:#f3e7d7;
      color:#8b4210;
      font-size:.92em;
    }
    .article-content pre{
      overflow:auto;
      padding:20px;
      border-radius:20px;
      background:#181716;
      color:#fff5e8;
      border:1px solid rgba(255,255,255,.10);
      line-height:1.7;
      margin:26px 0;
    }
    .article-content pre code{background:transparent;color:inherit;padding:0}
    .article-content table{
      display:block;
      width:100%;
      overflow-x:auto;
      border-collapse:collapse;
      margin:28px 0;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--line);
      min-width:140px;
      text-align:left;
    }
    .article-content th{background:#fff3e5;font-weight:900;color:#5d3518}
    .empty-state{
      padding:56px 28px;
      text-align:center;
    }
    .empty-icon{
      width:70px;
      height:70px;
      border-radius:26px;
      margin:0 auto 18px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(255,138,42,.24),rgba(53,208,167,.18));
      border:1px solid rgba(255,138,42,.24);
      font-size:30px;
    }
    .empty-state h2{font-size:28px;font-weight:950;letter-spacing:-.03em;margin:0 0 10px}
    .empty-state p{color:var(--muted);margin:0 auto 22px;max-width:520px}
    .side-stack{position:sticky;top:108px;display:grid;gap:16px}
    .side-card{
      border-radius:26px;
      background:rgba(255,250,240,.92);
      border:1px solid var(--line);
      box-shadow:var(--shadow-card);
      padding:22px;
    }
    .side-card.dark{
      background:linear-gradient(155deg,#22201d,#101010);
      color:#fff;
      border-color:rgba(255,255,255,.12);
      overflow:hidden;
      position:relative;
    }
    .side-card.dark::after{
      content:"";
      position:absolute;
      width:150px;
      height:150px;
      right:-60px;
      top:-60px;
      border-radius:50%;
      background:rgba(255,138,42,.26);
      filter:blur(5px);
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.025em;
      margin-bottom:14px;
    }
    .toc-list{display:grid;gap:8px}
    .toc-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:11px 12px;
      border-radius:16px;
      background:#fff7ea;
      border:1px solid rgba(255,138,42,.12);
      color:#5f554b;
      font-weight:800;
      font-size:14px;
      transition:.22s ease;
    }
    .toc-list a:hover{transform:translateX(3px);border-color:rgba(255,138,42,.42);color:#9b4e12}
    .related-list{display:grid;gap:10px}
    .related-item{
      padding:14px;
      border-radius:18px;
      background:#fff;
      border:1px solid var(--line);
      transition:.22s ease;
    }
    .related-item:hover{transform:translateY(-2px);border-color:rgba(255,138,42,.45);box-shadow:0 12px 28px rgba(36,33,29,.08)}
    .related-item strong{
      display:block;
      font-size:15px;
      line-height:1.45;
      font-weight:900;
      margin-bottom:6px;
    }
    .related-item small{color:var(--muted);font-size:12px}
    .guide-list{display:grid;gap:12px;margin-top:14px}
    .guide-line{
      display:grid;
      grid-template-columns:30px 1fr;
      gap:10px;
      align-items:start;
      color:rgba(255,255,255,.74);
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .guide-line i{
      width:30px;
      height:30px;
      border-radius:12px;
      display:grid;
      place-items:center;
      background:rgba(255,138,42,.18);
      color:var(--orange);
      font-style:normal;
      font-weight:950;
    }
    .article-cta{
      margin:56px 0 86px;
      border-radius:34px;
      overflow:hidden;
      background:
        radial-gradient(circle at 18% 20%, rgba(255,138,42,.36), transparent 18rem),
        radial-gradient(circle at 84% 42%, rgba(53,208,167,.18), transparent 18rem),
        linear-gradient(135deg,#22201d,#101010);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 26px 80px rgba(16,16,16,.22);
      position:relative;
    }
    .article-cta::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:18px 18px;
      opacity:.10;
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      padding:38px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
    }
    .cta-inner h2{
      font-size:clamp(26px,4vw,40px);
      line-height:1.18;
      font-weight:950;
      letter-spacing:-.045em;
      margin:0 0 10px;
    }
    .cta-inner p{color:rgba(255,255,255,.72);max-width:650px;margin:0}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
    .mini-faq{
      background:#f4efe6;
      border-top:1px solid var(--line);
      padding:70px 0;
    }
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-card{
      border-radius:24px;
      background:#fffaf0;
      border:1px solid var(--line);
      box-shadow:var(--shadow-card);
      padding:22px;
      transition:.22s ease;
    }
    .faq-card:hover{transform:translateY(-3px);border-color:rgba(255,138,42,.42)}
    .faq-card h3{font-size:18px;font-weight:950;letter-spacing:-.025em;margin:0 0 8px}
    .faq-card p{color:var(--muted);margin:0;font-size:15px}
    .site-footer{
      background:#101010;
      color:#fff;
      padding:62px 0 28px;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:42px;
      align-items:start;
    }
    .footer-desc{color:rgba(255,255,255,.62);max-width:430px}
    .footer-title{font-weight:950;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(255,255,255,.62);
      font-weight:700;
      transition:.2s ease;
    }
    .footer-links a:hover{color:var(--orange);transform:translateX(3px)}
    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,255,255,.48);
      font-size:13px;
    }
    .copyright{margin:0}
    @media (max-width:1060px){
      .dock{width:min(900px,calc(100% - 26px))}
      .dock-search{display:none}
      .article-head{grid-template-columns:1fr}
      .apply-panel{max-width:560px}
      .reader-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:780px){
      body{
        background:
          radial-gradient(circle at 12% -4%, rgba(255,138,42,.20), transparent 22rem),
          linear-gradient(180deg,#101010 0,#181716 380px,#f7f2e8 381px,#fffaf0 100%);
      }
      .site-container{width:min(100% - 28px,var(--max))}
      .dock{border-radius:28px;min-height:62px}
      .nav-links,.dock-actions .btn{display:none}
      .mobile-toggle{display:grid}
      .brand-text{max-width:180px}
      .article-hero{padding:104px 0 24px}
      .article-head{padding:26px;gap:22px}
      .article-title{font-size:clamp(32px,10vw,42px)}
      .article-summary{font-size:16px}
      .hero-strip{grid-template-columns:1fr;padding:0 26px 26px}
      .feature-image{min-height:220px}
      .pull-quote{font-size:18px;padding:24px 26px}
      .article-content{padding:28px;font-size:16px}
      .side-stack{grid-template-columns:1fr}
      .section-head{display:block}
      .faq-grid{grid-template-columns:1fr}
      .cta-inner{display:block;padding:30px}
      .cta-actions{justify-content:flex-start;margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .dock{padding:8px;width:calc(100% - 18px)}
      .brand-mark{width:32px;height:32px}
      .brand-text{font-size:14px;max-width:150px}
      .article-shell{border-radius:26px}
      .article-head{padding:22px}
      .breadcrumb a,.breadcrumb span{font-size:12px;padding:5px 10px}
      .article-meta span{width:100%;justify-content:center}
      .apply-panel{padding:18px;border-radius:22px}
      .hero-strip{padding:0 22px 22px}
      .content-card{border-radius:24px}
      .feature-inner{width:calc(100% - 32px);padding:16px}
      .feature-row{grid-template-columns:56px 1fr}
      .feature-row .badge{grid-column:1/-1;justify-content:center}
      .pull-quote{font-size:17px}
      .article-content{padding:22px}
      .article-content h2{margin-top:36px}
      .article-cta{border-radius:26px;margin-bottom:64px}
      .btn{width:100%}
      .cta-actions{width:100%}
    }