/* roulang page: index */
:root{
      --bg:#11100f;
      --bg-2:#171514;
      --panel:#201c1a;
      --panel-2:#29231f;
      --paper:#fff8ee;
      --paper-2:#f4eadb;
      --text:#fff8ee;
      --text-dark:#241c18;
      --muted:#c9bdae;
      --muted-dark:#6e6258;
      --accent:#ff7a3d;
      --accent-2:#ffd36a;
      --line:rgba(255,248,238,.14);
      --line-dark:rgba(36,28,24,.12);
      --shadow:0 24px 70px rgba(0,0,0,.32);
      --shadow-soft:0 16px 44px rgba(32,28,26,.12);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%,rgba(255,122,61,.26),transparent 32%),
        radial-gradient(circle at 86% 10%,rgba(255,211,106,.14),transparent 28%),
        linear-gradient(180deg,#11100f 0%,#171514 42%,#fff8ee 42%,#fff8ee 100%);
      line-height:1.7;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.38;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 70%);
    }
    a{color:inherit;text-decoration:none}
    a,button,input{transition:all .24s var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    :focus-visible{outline:3px solid rgba(255,122,61,.55);outline-offset:4px}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .section{position:relative;padding:92px 0}
    .section.light{color:var(--text-dark);background:var(--paper)}
    .section-title{font-size:clamp(2rem,4vw,3.25rem);line-height:1.12;letter-spacing:-.04em;font-weight:900}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent-2);
      background:rgba(255,255,255,.05);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .light .section-kicker{border-color:var(--line-dark);color:#9b4a20;background:rgba(255,122,61,.08)}
    .section-lead{max-width:720px;color:var(--muted);font-size:17px;margin-top:18px}
    .light .section-lead{color:var(--muted-dark)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      background:rgba(17,16,15,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,248,238,.12);
    }
    .nav-shell{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
    }
    .nav-group{display:flex;align-items:center;gap:10px}
    .nav-group.left{justify-content:flex-start}
    .nav-group.right{justify-content:flex-end}
    .nav-link{
      color:rgba(255,248,238,.78);
      font-weight:800;
      font-size:14px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .nav-link:hover{color:#fff8ee;background:rgba(255,255,255,.07);transform:translateY(-1px)}
    .nav-link.active{color:#241c18;background:var(--accent-2);box-shadow:0 10px 26px rgba(255,211,106,.22)}
    .brand{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      min-width:230px;
      padding:9px 16px;
      border-radius:999px;
      color:#fff8ee;
      background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
      border:1px solid rgba(255,248,238,.16);
      box-shadow:0 12px 35px rgba(0,0,0,.22);
    }
    .brand-mark{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      color:#201c1a;
      font-weight:950;
      background:conic-gradient(from 130deg,var(--accent),var(--accent-2),var(--accent));
      box-shadow:0 0 0 5px rgba(255,122,61,.12);
    }
    .brand-name{font-weight:950;letter-spacing:-.03em}
    .mobile-toggle{display:none;color:#fff8ee;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .mobile-panel{
      display:none;
      position:absolute;
      left:20px;right:20px;top:calc(var(--nav-h) - 6px);
      padding:14px;
      border-radius:22px;
      background:rgba(32,28,26,.98);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .mobile-panel.open{display:grid;gap:8px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:-.01em;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{color:#241c18;background:linear-gradient(135deg,var(--accent-2),var(--accent));box-shadow:0 18px 42px rgba(255,122,61,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 54px rgba(255,122,61,.34)}
    .btn-secondary{color:#fff8ee;background:rgba(255,255,255,.06);border-color:rgba(255,248,238,.18)}
    .btn-secondary:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
    .btn-dark{color:#fff8ee;background:#221b17;border-color:rgba(36,28,24,.16)}
    .btn-dark:hover{background:#2f241d;transform:translateY(-2px);box-shadow:0 16px 36px rgba(36,28,24,.2)}
    .btn:active{transform:translateY(0) scale(.98)}
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      font-size:12px;font-weight:900;
      color:#5f321c;background:rgba(255,122,61,.12);
      border:1px solid rgba(255,122,61,.18);
    }
    .hero{padding:54px 0 72px}
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:calc(var(--radius-xl) + 10px);
      background:
        radial-gradient(circle at 22% 18%,rgba(255,122,61,.28),transparent 36%),
        linear-gradient(135deg,#181412 0%,#27201d 56%,#120f0e 100%);
      border:1px solid rgba(255,248,238,.16);
      box-shadow:var(--shadow);
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -8% -35% 42%;
      height:380px;
      background:repeating-linear-gradient(90deg,rgba(255,211,106,.1) 0 6px,transparent 6px 18px);
      transform:rotate(-7deg);
      filter:blur(.2px);
      opacity:.75;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.75fr);
      gap:34px;
      padding:48px;
      align-items:stretch;
    }
    .hero h1{
      font-size:clamp(2.6rem,6vw,5.8rem);
      line-height:.98;
      letter-spacing:-.075em;
      font-weight:950;
      max-width:780px;
    }
    .hero-copy{font-size:18px;color:rgba(255,248,238,.76);max-width:700px;margin-top:22px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:36px;
      max-width:760px;
    }
    .metric{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,248,238,.12);
    }
    .metric strong{display:block;font-size:24px;line-height:1;color:var(--accent-2)}
    .metric span{display:block;margin-top:8px;color:rgba(255,248,238,.68);font-size:13px}
    .rank-board{
      align-self:stretch;
      border-radius:30px;
      padding:22px;
      background:rgba(255,248,238,.08);
      border:1px solid rgba(255,248,238,.15);
      backdrop-filter:blur(10px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .board-title{font-weight:950;font-size:18px}
    .pulse-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 8px rgba(255,122,61,.15)}
    .rank-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:13px 0;
      border-top:1px solid rgba(255,248,238,.1);
    }
    .rank-no{
      width:30px;height:30px;border-radius:11px;
      display:grid;place-items:center;
      color:#241c18;background:var(--accent-2);
      font-weight:950;
    }
    .rank-item p{margin:0;font-weight:850;line-height:1.35}
    .rank-item small{color:rgba(255,248,238,.58)}
    .rank-trend{font-size:12px;color:#ffd36a;font-weight:900}
    .wave-strip{
      height:78px;
      margin-top:20px;
      border-radius:20px;
      overflow:hidden;
      border:1px solid rgba(255,248,238,.1);
      background:
        linear-gradient(90deg,transparent,rgba(255,211,106,.16),transparent),
        repeating-linear-gradient(90deg,rgba(255,248,238,.16) 0 4px,transparent 4px 13px);
      mask-image:linear-gradient(180deg,transparent 0%,#000 25%,#000 75%,transparent 100%);
    }
    .pain-wrap{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:28px;
      align-items:start;
    }
    .pain-card{
      padding:30px;
      border-radius:var(--radius-xl);
      background:#201c1a;
      border:1px solid rgba(255,248,238,.13);
      box-shadow:var(--shadow-soft);
      color:var(--text);
    }
    .pain-line{
      display:flex;
      gap:14px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,248,238,.1);
      margin-top:14px;
    }
    .pain-icon{
      width:42px;height:42px;flex:none;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(255,122,61,.14);
      color:var(--accent-2);
      font-weight:950;
    }
    .demo-stage{
      position:relative;
      min-height:440px;
      padding:28px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,248,238,.92),rgba(244,234,219,.82)),
        radial-gradient(circle at 82% 15%,rgba(255,122,61,.28),transparent 28%);
      color:var(--text-dark);
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .demo-row{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.56);
      border:1px solid rgba(36,28,24,.1);
      margin-bottom:12px;
    }
    .progress{height:9px;border-radius:999px;background:rgba(36,28,24,.1);overflow:hidden;margin-top:10px}
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
    .feature-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      margin-top:34px;
    }
    .feature-main,.feature-side,.scenario-card,.case-card,.price-card,.guarantee-card,.topic-card,.faq-item,.news-card{
      border-radius:var(--radius-xl);
      border:1px solid var(--line-dark);
      background:rgba(255,255,255,.62);
      box-shadow:var(--shadow-soft);
    }
    .feature-main{padding:34px;min-height:360px;background:#fff3df;position:relative;overflow:hidden}
    .feature-main:after{
      content:"";
      position:absolute;
      right:-80px;bottom:-80px;
      width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,122,61,.28),transparent 66%);
    }
    .feature-list{display:grid;gap:14px;margin-top:24px;position:relative}
    .feature-list li{
      display:flex;gap:12px;align-items:flex-start;
      padding:15px;border-radius:18px;
      background:rgba(255,255,255,.62);
      border:1px solid rgba(36,28,24,.08);
    }
    .check{width:22px;height:22px;border-radius:8px;display:grid;place-items:center;background:#221b17;color:var(--accent-2);font-size:13px;flex:none;margin-top:2px}
    .feature-side{padding:22px;display:grid;gap:14px;background:#fbefe0}
    .mini-card{padding:20px;border-radius:22px;background:rgba(36,28,24,.055);border:1px solid rgba(36,28,24,.08)}
    .mini-card h3,.scenario-card h3,.case-card h3,.price-card h3,.topic-card h3{font-weight:950;font-size:20px;letter-spacing:-.02em}
    .steps{
      display:grid;
      grid-template-columns:1fr 1.1fr 1fr;
      gap:18px;
      margin-top:34px;
      align-items:stretch;
    }
    .step-card{
      position:relative;
      padding:26px;
      border-radius:28px;
      color:#fff8ee;
      background:linear-gradient(145deg,#221b17,#161210);
      border:1px solid rgba(255,248,238,.13);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .step-card:nth-child(2){transform:translateY(22px);background:linear-gradient(145deg,#33251d,#1a1512)}
    .step-num{font-size:58px;line-height:1;font-weight:950;color:rgba(255,211,106,.34);letter-spacing:-.07em}
    .step-card h3{font-size:23px;font-weight:950;margin-top:10px}
    .step-card p{color:rgba(255,248,238,.7);margin-top:8px}
    .news-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:24px;
      margin-top:34px;
    }
    .news-list{display:grid;gap:14px}
    .news-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:18px;
      padding:22px;
      background:rgba(255,255,255,.66);
    }
    .news-card:hover{transform:translateY(-3px);box-shadow:0 22px 52px rgba(36,28,24,.14);border-color:rgba(255,122,61,.28)}
    .news-card h3{font-size:20px;font-weight:950;line-height:1.35}
    .news-card p{color:var(--muted-dark);margin-top:8px}
    .news-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .news-link{align-self:center;color:#8b3f1b;font-weight:950}
    .news-side{
      padding:24px;border-radius:var(--radius-xl);
      background:#211b17;color:#fff8ee;border:1px solid rgba(255,248,238,.12);
      box-shadow:var(--shadow-soft);
    }
    .kpi{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-top:1px solid rgba(255,248,238,.1)}
    .kpi strong{color:var(--accent-2);font-size:22px}
    .empty-state{
      padding:28px;
      border-radius:var(--radius-xl);
      color:#6e6258;
      background:rgba(255,255,255,.6);
      border:1px dashed rgba(36,28,24,.18);
    }
    .scenario-track{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:34px;
    }
    .scenario-card{padding:24px;background:#fff4e3}
    .scenario-card:hover,.case-card:hover,.price-card:hover,.topic-card:hover,.guarantee-card:hover{transform:translateY(-4px);box-shadow:0 24px 56px rgba(36,28,24,.15)}
    .scenario-icon{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;background:#221b17;color:var(--accent-2);font-weight:950;margin-bottom:18px}
    .case-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
      margin-top:34px;
    }
    .case-card{padding:28px;background:#fff8ee}
    .quote{font-size:24px;line-height:1.45;font-weight:900;letter-spacing:-.03em}
    .result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
    .result{
      padding:18px;border-radius:22px;
      background:rgba(255,122,61,.1);
      border:1px solid rgba(255,122,61,.16);
    }
    .result strong{font-size:28px;color:#a2471d}
    .price-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:34px;
    }
    .price-card{padding:28px;background:#fff8ee;position:relative}
    .price-card.recommend{background:#231c17;color:#fff8ee;border-color:rgba(255,211,106,.35);transform:translateY(-10px)}
    .price{font-size:42px;font-weight:950;letter-spacing:-.05em;margin:16px 0}
    .price small{font-size:15px;color:inherit;opacity:.68}
    .price-card ul{display:grid;gap:11px;margin:22px 0;color:inherit}
    .price-card li{display:flex;gap:10px;align-items:flex-start}
    .topics-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      margin-top:34px;
    }
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .topic-tag{
      padding:11px 14px;border-radius:999px;
      background:rgba(255,122,61,.1);
      border:1px solid rgba(255,122,61,.18);
      color:#7b391c;
      font-weight:900;
    }
    .topic-card{padding:26px;background:#fff2df}
    .guarantee-strip{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:34px;
    }
    .guarantee-card{padding:22px;background:rgba(255,255,255,.62)}
    .guarantee-card strong{display:block;font-size:18px;font-weight:950}
    .guarantee-card span{display:block;color:var(--muted-dark);margin-top:6px}
    .faq-list{display:grid;gap:12px;margin-top:34px}
    .faq-item{overflow:hidden;background:#fff8ee}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 24px;
      color:var(--text-dark);
      font-weight:950;
      text-align:left;
    }
    .faq-question:hover{background:rgba(255,122,61,.07)}
    .faq-answer{display:none;padding:0 24px 22px;color:var(--muted-dark)}
    .faq-item.open .faq-answer{display:block}
    .faq-mark{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#221b17;color:var(--accent-2);flex:none}
    .faq-item.open .faq-mark{transform:rotate(45deg)}
    .cta{
      padding:86px 0 104px;
      color:#fff8ee;
      background:
        radial-gradient(circle at 12% 10%,rgba(255,122,61,.24),transparent 30%),
        linear-gradient(180deg,#fff8ee 0%,#fff8ee 8%,#151210 8%,#151210 100%);
    }
    .cta-panel{
      border-radius:40px;
      padding:42px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.11),rgba(255,255,255,.04)),
        #211b17;
      border:1px solid rgba(255,248,238,.14);
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:1fr 420px;
      gap:28px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-panel:after{
      content:"";
      position:absolute;
      right:-90px;top:-90px;
      width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,211,106,.2),transparent 68%);
    }
    .lead-form{
      position:relative;
      padding:18px;
      border-radius:28px;
      background:rgba(255,248,238,.08);
      border:1px solid rgba(255,248,238,.14);
    }
    .input{
      width:100%;
      min-height:52px;
      border-radius:16px;
      border:1px solid rgba(255,248,238,.16);
      color:#fff8ee;
      background:rgba(0,0,0,.18);
      padding:0 16px;
      outline:none;
      margin-bottom:12px;
    }
    .input::placeholder{color:rgba(255,248,238,.52)}
    .input:focus{border-color:rgba(255,211,106,.7);box-shadow:0 0 0 4px rgba(255,211,106,.12)}
    .site-footer{
      color:#d9cdbf;
      background:#11100f;
      border-top:1px solid rgba(255,248,238,.1);
      padding:42px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-title{font-size:22px;font-weight:950;color:#fff8ee}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
    .footer-links a{
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:rgba(255,248,238,.76);
      font-weight:800;
      font-size:14px;
    }
    .footer-links a:hover{background:rgba(255,122,61,.16);color:#fff8ee}
    .copyright{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,248,238,.1);color:rgba(255,248,238,.48);font-size:14px}
    .reveal{animation:rise .7s var(--ease) both}
    @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
    @media (max-width:1024px){
      .hero-grid,.pain-wrap,.feature-grid,.news-layout,.case-layout,.topics-wrap,.cta-panel{grid-template-columns:1fr}
      .rank-board{max-width:680px}
      .scenario-track,.guarantee-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
      .price-grid{grid-template-columns:1fr}
      .price-card.recommend{transform:none}
      .steps{grid-template-columns:1fr}
      .step-card:nth-child(2){transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--nav-h:68px}
      body{background:linear-gradient(180deg,#11100f 0%,#171514 38%,#fff8ee 38%,#fff8ee 100%)}
      .site-container,.nav-shell{width:min(100% - 28px,var(--container))}
      .nav-shell{display:flex;justify-content:space-between}
      .nav-group{display:none}
      .brand{min-width:0;padding:8px 12px}
      .brand-name{font-size:14px}
      .mobile-toggle{display:inline-flex}
      .hero{padding-top:28px}
      .hero-grid{padding:26px;gap:24px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:66px 0}
      .section-title{font-size:2.05rem}
      .pain-card,.demo-stage,.feature-main,.cta-panel{padding:24px}
      .news-card{grid-template-columns:1fr}
      .news-link{justify-self:start}
      .scenario-track,.result-grid,.guarantee-strip{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .hero-actions .btn,.lead-form .btn{width:100%}
      .cta{padding-bottom:78px}
    }
    @media (max-width:520px){
      .hero h1{font-size:2.55rem}
      .rank-item{grid-template-columns:auto 1fr}
      .rank-trend{grid-column:2}
      .price{font-size:34px}
      .topics-wrap{gap:16px}
    }

/* roulang page: article */
:root{
      --bg:#11100f;
      --bg-2:#171514;
      --panel:#201c1a;
      --panel-2:#29231f;
      --paper:#fff8ee;
      --paper-2:#f4eadb;
      --text:#fff8ee;
      --text-dark:#241c18;
      --muted:#c9bdae;
      --muted-dark:#6e6258;
      --accent:#ff7a3d;
      --accent-2:#ffd36a;
      --line:rgba(255,248,238,.14);
      --line-dark:rgba(36,28,24,.12);
      --shadow:0 24px 70px rgba(0,0,0,.32);
      --shadow-soft:0 16px 44px rgba(32,28,26,.12);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:68px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 5%,rgba(255,122,61,.26),transparent 32%),
        radial-gradient(circle at 86% 10%,rgba(255,211,106,.14),transparent 28%),
        linear-gradient(180deg,#11100f 0%,#171514 42%,#fff8ee 42%,#fff8ee 100%);
      line-height:1.7;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.38;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 70%);
    }
    ::selection{background:rgba(255,122,61,.34);color:#fff8ee}
    a{color:inherit;text-decoration:none}
    a,button,input,summary{
      transition:all .24s var(--ease);
    }
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0;background:none;padding:0}
    :focus-visible{
      outline:3px solid rgba(255,211,106,.78);
      outline-offset:3px;
    }
    section{position:relative;padding:92px 0;scroll-margin-top:calc(var(--nav-h) + 20px)}
    section:not(.light){
      background:linear-gradient(180deg,#151210 0%,#181412 100%);
      color:var(--text);
    }
    section.light{
      background:var(--paper);
      color:var(--text-dark);
    }

    .site-container{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }

    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--accent-2);
      background:rgba(255,255,255,.05);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      white-space:nowrap;
    }
    .light .section-kicker{
      border-color:var(--line-dark);
      color:#9b4a20;
      background:rgba(255,122,61,.08);
    }

    .section-title{
      margin:14px 0 0;
      font-size:clamp(2rem,4vw,3.35rem);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
      color:inherit;
    }
    .section-lead{
      margin:18px 0 0;
      max-width:760px;
      font-size:17px;
      color:var(--muted);
    }
    .light .section-lead{color:var(--muted-dark)}
    .light .section-title{color:var(--text-dark)}

    .surface-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      border:1px solid var(--line);
      background:linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);
      box-shadow:var(--shadow-soft);
      transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
    }
    .surface-card:hover{
      transform:translateY(-3px);
      box-shadow:0 22px 52px rgba(0,0,0,.2);
      border-color:rgba(255,211,106,.22);
    }
    .light .surface-card{
      background:linear-gradient(180deg,#fffdfa 0%,#fff7ed 100%);
      border-color:var(--line-dark);
      box-shadow:var(--shadow-soft);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      background:rgba(17,16,15,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,248,238,.12);
    }
    .nav-shell{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
      position:relative;
    }
    .nav-group{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-group.left{justify-content:flex-start}
    .nav-group.right{justify-content:flex-end}
    .nav-link{
      color:rgba(255,248,238,.78);
      font-weight:800;
      font-size:14px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid transparent;
      white-space:nowrap;
      letter-spacing:-.01em;
    }
    .nav-link:hover{
      color:#fff8ee;
      background:rgba(255,255,255,.07);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#241c18;
      background:var(--accent-2);
      box-shadow:0 10px 26px rgba(255,211,106,.22);
    }

    .brand{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      min-width:230px;
      padding:9px 16px;
      border-radius:999px;
      color:#fff8ee;
      background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
      border:1px solid rgba(255,248,238,.16);
      box-shadow:0 12px 35px rgba(0,0,0,.22);
      justify-self:center;
    }
    .brand:hover{
      transform:translateY(-1px);
      border-color:rgba(255,211,106,.28);
      box-shadow:0 16px 44px rgba(0,0,0,.28);
    }
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#201c1a;
      font-weight:950;
      background:conic-gradient(from 130deg,var(--accent),var(--accent-2),var(--accent));
      box-shadow:0 0 0 5px rgba(255,122,61,.12);
      flex:0 0 auto;
    }
    .brand-name{
      font-weight:950;
      letter-spacing:-.03em;
      font-size:15px;
    }

    .mobile-toggle{
      display:none;
      color:#fff8ee;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
      border-radius:14px;
      padding:10px 12px;
      min-height:42px;
      justify-self:end;
    }
    .mobile-toggle:hover{
      background:rgba(255,255,255,.12);
      transform:translateY(-1px);
    }
    .mobile-panel{
      display:none;
      position:absolute;
      left:0;
      right:0;
      top:calc(var(--nav-h) - 6px);
      padding:14px;
      border-radius:22px;
      background:rgba(32,28,26,.98);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .mobile-panel.open{display:grid;gap:8px}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:-.01em;
      border:1px solid transparent;
      white-space:nowrap;
      text-align:center;
      transition:transform .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease),color .26s var(--ease);
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{
      color:#241c18;
      background:linear-gradient(135deg,var(--accent-2),var(--accent));
      box-shadow:0 18px 42px rgba(255,122,61,.25);
    }
    .btn-primary:hover{box-shadow:0 24px 54px rgba(255,122,61,.34)}
    .btn-secondary{
      color:#fff8ee;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,248,238,.18);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.1)}
    .btn-dark{
      color:#fff8ee;
      background:#221b17;
      border-color:rgba(36,28,24,.16);
    }
    .btn-dark:hover{
      background:#2f241d;
      box-shadow:0 16px 36px rgba(36,28,24,.2);
    }
    .light .btn-dark{
      color:#fff8ee;
      background:#231915;
      border-color:rgba(36,28,24,.16);
    }

    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      color:#5f321c;
      background:rgba(255,122,61,.12);
      border:1px solid rgba(255,122,61,.18);
      white-space:nowrap;
    }
    .badge.alt{
      color:#4d3f1e;
      background:rgba(255,211,106,.16);
      border-color:rgba(255,211,106,.22);
    }

    .hero-section{
      padding:46px 0 30px;
    }
    .detail-hero{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(0,1.22fr) minmax(300px,.78fr);
      gap:24px;
      padding:28px;
      border-radius:calc(var(--radius-xl) + 10px);
      border:1px solid rgba(255,248,238,.14);
      background:
        radial-gradient(circle at 12% 14%,rgba(255,122,61,.24),transparent 32%),
        radial-gradient(circle at 92% 12%,rgba(255,211,106,.14),transparent 28%),
        linear-gradient(135deg,#1a1715 0%,#23201d 100%);
      box-shadow:var(--shadow);
    }
    .detail-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg,transparent 0%,rgba(255,255,255,.04) 38%,transparent 62%),
        radial-gradient(circle at 60% 25%,rgba(255,255,255,.06),transparent 24%);
      pointer-events:none;
    }
    .detail-hero-copy,
    .detail-hero-card{
      position:relative;
      z-index:1;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:14px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:rgba(255,248,238,.62);
      font-size:13px;
      margin-bottom:14px;
    }
    .breadcrumb a{
      color:rgba(255,248,238,.82);
      text-decoration:none;
    }
    .breadcrumb a:hover{color:#fff8ee;text-decoration:underline;text-underline-offset:3px}
    .hero-title{
      margin:0;
      font-size:clamp(2.2rem,5vw,4.55rem);
      line-height:1.04;
      letter-spacing:-.05em;
      font-weight:980;
      color:#fff8ee;
      max-width:12ch;
    }
    .hero-summary{
      margin:18px 0 0;
      max-width:64ch;
      color:rgba(255,248,238,.76);
      font-size:17px;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(255,248,238,.14);
      background:rgba(255,255,255,.05);
      color:rgba(255,248,238,.82);
      font-size:13px;
      font-weight:700;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }

    .detail-hero-card{
      padding:22px;
      border-radius:28px;
      border:1px solid rgba(255,211,106,.2);
      background:
        linear-gradient(180deg,rgba(255,248,238,.08) 0%,rgba(255,248,238,.04) 100%),
        linear-gradient(180deg,#2a241f 0%,#1d1916 100%);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03),0 20px 52px rgba(0,0,0,.26);
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .detail-hero-card .card-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#fff8ee;
      font-weight:950;
      font-size:18px;
    }
    .detail-hero-card .coupon-board{
      display:grid;
      gap:12px;
    }
    .coupon-main{
      border-radius:24px;
      border:1px dashed rgba(255,211,106,.32);
      background:linear-gradient(180deg,rgba(255,122,61,.14),rgba(255,211,106,.08));
      padding:20px;
      position:relative;
      overflow:hidden;
    }
    .coupon-main::after{
      content:"";
      position:absolute;
      inset:auto -24px -28px auto;
      width:120px;
      height:120px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(255,211,106,.3),transparent 68%);
      pointer-events:none;
    }
    .coupon-main small{
      display:block;
      color:rgba(255,248,238,.68);
      letter-spacing:.08em;
      font-weight:800;
      margin-bottom:8px;
    }
    .coupon-main strong{
      display:block;
      font-size:22px;
      line-height:1.2;
      color:#fff8ee;
      letter-spacing:-.04em;
      margin-bottom:10px;
    }
    .coupon-main p{
      margin:0;
      color:rgba(255,248,238,.74);
      font-size:14px;
    }
    .coupon-strip{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .coupon-strip span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,248,238,.12);
      color:rgba(255,248,238,.82);
      font-size:12px;
      font-weight:700;
    }
    .hero-card-actions{
      display:grid;
      gap:10px;
    }

    .content-section{
      padding-top:18px;
    }
    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,1.16fr) minmax(280px,.84fr);
      gap:24px;
      align-items:start;
    }
    .article-card{
      padding:28px;
      border-radius:32px;
      background:linear-gradient(180deg,#fffdf8 0%,#fff7ed 100%);
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .article-card-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      margin-bottom:18px;
    }
    .article-mini{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted-dark);
      font-size:13px;
      align-items:center;
    }
    .article-mini span{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(36,28,24,.08);
    }
    .article-content{
      color:#2d241f;
      font-size:16px;
      line-height:1.95;
      overflow-wrap:anywhere;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content p{margin:0 0 1.05em}
    .article-content h2{
      margin:1.8em 0 .78em;
      font-size:1.58rem;
      line-height:1.24;
      letter-spacing:-.03em;
      color:#231a16;
    }
    .article-content h3{
      margin:1.45em 0 .66em;
      font-size:1.18rem;
      line-height:1.35;
      color:#231a16;
    }
    .article-content h4{
      margin:1.2em 0 .56em;
      font-size:1.03rem;
      color:#231a16;
    }
    .article-content ul,
    .article-content ol{
      margin:0 0 1.1em;
      padding-left:1.25em;
    }
    .article-content li{margin:.38em 0}
    .article-content a{
      color:#d95f24;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .article-content a:hover{color:#b94817}
    .article-content blockquote{
      margin:1.25em 0;
      padding:16px 18px;
      border-left:4px solid var(--accent);
      background:rgba(255,122,61,.08);
      border-radius:16px;
      color:#4a3f37;
    }
    .article-content figure{
      margin:1.2em 0;
    }
    .article-content figcaption{
      margin-top:8px;
      font-size:13px;
      color:var(--muted-dark);
    }
    .article-content img{
      border-radius:20px;
      margin:1.1em 0;
      box-shadow:var(--shadow-soft);
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      display:block;
      overflow-x:auto;
      border:1px solid rgba(36,28,24,.12);
      border-radius:16px;
      margin:1.2em 0;
      background:#fff;
    }
    .article-content th,
    .article-content td{
      padding:12px 14px;
      border-bottom:1px solid rgba(36,28,24,.08);
      text-align:left;
      white-space:nowrap;
    }
    .article-content th{background:rgba(255,122,61,.09)}
    .article-content pre{
      overflow:auto;
      padding:16px 18px;
      border-radius:18px;
      background:#181412;
      color:#f8f1e7;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
    }
    .article-content code{
      padding:.18em .42em;
      border-radius:8px;
      background:rgba(36,28,24,.08);
    }
    .article-content hr{
      border:0;
      border-top:1px solid rgba(36,28,24,.12);
      margin:1.5em 0;
    }

    .side-rail{
      position:sticky;
      top:calc(var(--nav-h) + 18px);
      display:grid;
      gap:16px;
    }
    .side-card{
      padding:20px;
      border-radius:28px;
      background:linear-gradient(180deg,#fffdfa 0%,#fff7ed 100%);
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .side-card h3{
      margin:0;
      font-size:18px;
      line-height:1.3;
      letter-spacing:-.03em;
      color:#231a16;
    }
    .side-card p{
      margin:12px 0 0;
      color:var(--muted-dark);
      font-size:14px;
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .side-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#382d27;
      font-size:14px;
    }
    .side-list li::before{
      content:"•";
      color:var(--accent);
      font-weight:900;
      line-height:1.4;
    }
    .side-actions{
      display:grid;
      gap:10px;
      margin-top:16px;
    }

    .feature-grid,
    .news-grid,
    .pricing-grid{
      display:grid;
      gap:18px;
      margin-top:26px;
    }
    .feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
    .feature-card,
    .news-card,
    .pricing-card{
      padding:22px;
      min-height:100%;
    }
    .feature-card .index{
      display:inline-flex;
      width:42px;
      height:42px;
      border-radius:14px;
      align-items:center;
      justify-content:center;
      background:rgba(255,122,61,.12);
      color:var(--accent-2);
      border:1px solid rgba(255,122,61,.18);
      font-weight:950;
      margin-bottom:14px;
    }
    .feature-card h3,
    .news-card h3,
    .pricing-card h3{
      margin:0;
      font-size:1.15rem;
      line-height:1.35;
      letter-spacing:-.03em;
      color:inherit;
    }
    .feature-card p,
    .news-card p,
    .pricing-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .light .feature-card p,
    .light .news-card p,
    .light .pricing-card p{
      color:var(--muted-dark);
    }
    .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-top:18px;
      padding-top:16px;
      border-top:1px solid rgba(255,248,238,.12);
      font-size:13px;
      color:rgba(255,248,238,.7);
    }
    .light .card-foot{
      border-top-color:var(--line-dark);
      color:var(--muted-dark);
    }
    .card-link{
      color:var(--accent-2);
      font-weight:800;
      white-space:nowrap;
    }
    .light .card-link{color:#d85e22}
    .card-link:hover{text-decoration:underline;text-underline-offset:3px}

    .pricing-card{
      position:relative;
    }
    .pricing-card.recommended{
      border-color:rgba(255,211,106,.3);
      background:
        linear-gradient(180deg,rgba(255,211,106,.12) 0%,rgba(255,122,61,.06) 100%),
        linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);
      transform:translateY(-4px);
      box-shadow:0 26px 58px rgba(0,0,0,.22);
    }
    .light .pricing-card.recommended{
      background:
        linear-gradient(180deg,rgba(255,211,106,.18) 0%,rgba(255,122,61,.06) 100%),
        linear-gradient(180deg,#fffdfa 0%,#fff7ed 100%);
    }
    .price-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:14px 0 0;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,248,238,.12);
      color:rgba(255,248,238,.78);
      font-size:12px;
      font-weight:800;
    }
    .light .price-tag{
      background:rgba(255,122,61,.08);
      border-color:rgba(255,122,61,.12);
      color:#9b4a20;
    }
    .pricing-card ul{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .pricing-card li{
      position:relative;
      padding-left:18px;
      color:var(--muted);
      font-size:14px;
    }
    .light .pricing-card li{color:var(--muted-dark)}
    .pricing-card li::before{
      content:"";
      position:absolute;
      left:0;
      top:.7em;
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 3px rgba(255,122,61,.12);
    }
    .pricing-card .card-foot{
      margin-top:20px;
    }

    .faq-list{
      margin-top:26px;
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:0;
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      cursor:pointer;
      padding:20px 22px;
      color:inherit;
      font-weight:900;
      font-size:16px;
      letter-spacing:-.02em;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      flex:0 0 auto;
      color:var(--accent);
      font-size:22px;
      line-height:1;
      transform:translateY(-1px);
      transition:transform .24s var(--ease),color .24s var(--ease);
    }
    .faq-item[open] summary{
      border-bottom:1px solid rgba(255,248,238,.12);
    }
    .faq-item[open] summary::after{
      content:"−";
      color:var(--accent-2);
    }
    .light .faq-item[open] summary{
      border-bottom:1px solid var(--line-dark);
    }
    .faq-answer{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:14px;
    }
    .light .faq-answer{color:var(--muted-dark)}

    .cta-panel{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      padding:28px;
      border-radius:calc(var(--radius-xl) + 4px);
      border:1px solid rgba(255,122,61,.18);
      background:
        radial-gradient(circle at 16% 18%,rgba(255,122,61,.14),transparent 28%),
        radial-gradient(circle at 88% 20%,rgba(255,211,106,.1),transparent 28%),
        linear-gradient(135deg,#fffdfa 0%,#fff5e7 100%);
      box-shadow:var(--shadow-soft);
    }
    .cta-title{
      margin:10px 0 0;
      font-size:clamp(1.8rem,3vw,2.7rem);
      line-height:1.12;
      letter-spacing:-.04em;
      color:#241c18;
      font-weight:950;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:12px;
    }

    .not-found-card{
      max-width:760px;
      margin:0 auto;
      padding:34px;
      text-align:left;
      border-radius:34px;
      background:linear-gradient(180deg,#fffdf8 0%,#fff7ed 100%);
      border:1px solid var(--line-dark);
      box-shadow:var(--shadow-soft);
    }
    .not-found-card h1{
      margin:16px 0 0;
      font-size:clamp(2rem,4vw,3rem);
      line-height:1.14;
      color:#231a16;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .not-found-card p{
      margin:14px 0 0;
      color:var(--muted-dark);
      font-size:16px;
      max-width:58ch;
    }
    .not-found-card .btn{
      margin-top:24px;
    }

    .site-footer{
      padding:60px 0 24px;
      background:linear-gradient(180deg,#1a1715 0%,#131110 100%);
      border-top:1px solid rgba(255,248,238,.12);
      color:#fff8ee;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.15fr .9fr .9fr;
      gap:28px;
      padding-bottom:28px;
    }
    .footer-title{
      font-size:1.4rem;
      font-weight:950;
      letter-spacing:-.03em;
      color:#fff8ee;
    }
    .footer-links{
      display:grid;
      gap:10px;
      margin-top:14px;
    }
    .footer-links a{
      color:rgba(255,248,238,.72);
      width:max-content;
    }
    .footer-links a:hover{
      color:#fff8ee;
      transform:translateX(2px);
    }
    .copyright{
      padding-top:18px;
      border-top:1px solid rgba(255,248,238,.12);
      color:rgba(255,248,238,.54);
      font-size:13px;
    }

    @media (max-width: 1100px){
      .detail-hero,
      .content-grid,
      .cta-panel{
        grid-template-columns:1fr;
      }
      .side-rail{
        position:static;
      }
      .feature-grid,
      .news-grid,
      .pricing-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }

    @media (max-width: 920px){
      .nav-group{display:none}
      .brand{
        min-width:0;
        justify-self:center;
      }
      .mobile-toggle{
        display:inline-flex;
        align-items:center;
        justify-content:center;
      }
      .nav-shell{
        grid-template-columns:1fr auto 1fr;
        gap:12px;
      }
    }

    @media (max-width: 720px){
      section{padding:72px 0}
      .hero-section{padding:32px 0 20px}
      .site-container{width:min(var(--container),calc(100% - 28px))}
      .detail-hero,
      .article-card,
      .side-card,
      .cta-panel,
      .not-found-card{
        padding:20px;
        border-radius:24px;
      }
      .hero-title{
        max-width:unset;
        font-size:clamp(2rem,10vw,3.2rem);
      }
      .hero-summary{font-size:15px}
      .hero-actions,
      .cta-actions{
        flex-direction:column;
      }
      .btn{
        width:100%;
      }
      .feature-grid,
      .news-grid,
      .pricing-grid,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .article-card-head{
        flex-direction:column;
      }
      .faq-item summary{
        padding:18px 18px;
        font-size:15px;
      }
      .faq-answer{
        padding:0 18px 18px;
      }
      .brand{
        padding:8px 12px;
      }
      .brand-name{
        font-size:14px;
      }
      .mobile-panel{
        left:0;
        right:0;
      }
    }