/* roulang page: index */
:root{
      --bg:#fff9ef;
      --bg-soft:#fbf1e2;
      --ink:#241713;
      --muted:#746157;
      --copper:#945225;
      --copper-dark:#3f2117;
      --copper-deep:#291713;
      --copper-light:#e7c497;
      --line:rgba(118,59,28,.18);
      --ring:rgba(185,118,61,.34);
      --shadow:0 22px 70px rgba(92,48,24,.16);
      --radius:28px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(214,155,97,.24), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(92,123,104,.12), transparent 26%),
        linear-gradient(180deg,#fffaf1 0%,#f8eddd 100%);
      line-height:1.75;
      padding-bottom:112px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:#e7c497;color:#291713}
    .site-container{width:min(1240px,100%);margin:0 auto;padding:0 28px}
    .skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip-link:focus{left:20px;top:20px;width:auto;height:auto;z-index:100;background:#fff;padding:10px 14px;border-radius:999px;box-shadow:var(--shadow)}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,249,239,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      transition:box-shadow .25s ease,background .25s ease;
    }
    .nav-wrap{min-height:82px;display:flex;align-items:center;gap:18px}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:900;letter-spacing:-.02em}
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:linear-gradient(135deg,#3f2117,#945225 52%,#e7c497);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.32),0 12px 28px rgba(92,48,24,.18);
      position:relative;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:10px;border-radius:10px;
      border:1px solid rgba(255,249,239,.5);
      background:linear-gradient(135deg,transparent,rgba(255,255,255,.18));
    }
    .brand-text{font-size:17px;max-width:210px;line-height:1.18}
    .nav-search{
      flex:1;max-width:520px;margin:0 auto;
      display:flex;align-items:center;gap:10px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.62);
      border-radius:999px;
      padding:8px 10px 8px 16px;
      box-shadow:0 10px 28px rgba(92,48,24,.07);
    }
    .nav-search:focus-within{border-color:#b9763d;box-shadow:0 0 0 4px var(--ring)}
    .nav-search svg{width:18px;color:#945225;flex:0 0 auto}
    .nav-search input{
      width:100%;border:0;outline:0;background:transparent;color:var(--ink);
      font-size:14px;
    }
    .nav-search input::placeholder{color:#9a8275}
    .search-kbd{font-size:12px;color:#8b7468;background:#f4e2c8;border:1px solid rgba(118,59,28,.12);border-radius:999px;padding:3px 8px;white-space:nowrap}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-link{
      padding:10px 13px;border-radius:999px;color:#5f4d44;font-size:14px;font-weight:700;
      transition:background .22s ease,color .22s ease,transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:#f4e2c8;color:#592c18;transform:translateY(-1px)}
    .nav-link.active{background:#3f2117;color:#fff9ef;box-shadow:0 10px 24px rgba(63,33,23,.18)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      border:1px solid transparent;font-weight:800;line-height:1;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
      cursor:pointer;
    }
    .btn:focus-visible,.nav-link:focus-visible,.faq-item summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:0;box-shadow:0 0 0 4px var(--ring)}
    .btn-primary{background:linear-gradient(135deg,#3f2117,#945225 56%,#b9763d);color:#fff9ef;box-shadow:0 14px 34px rgba(92,48,24,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 46px rgba(92,48,24,.28);filter:saturate(1.05)}
    .btn-secondary{background:#fff7eb;color:#592c18;border-color:rgba(118,59,28,.22)}
    .btn-secondary:hover{background:#f4e2c8;transform:translateY(-2px)}
    .mobile-toggle{display:none}
    .mobile-row{display:none}
    main{overflow:hidden}
    .section{padding:104px 0}
    .section-tight{padding:76px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:#763b1c;background:rgba(244,226,200,.72);
      border:1px solid rgba(118,59,28,.16);
      border-radius:999px;padding:7px 12px;font-size:13px;font-weight:800;
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:999px;background:#b9763d;box-shadow:0 0 0 5px rgba(185,118,61,.15)}
    .hero{padding:84px 0 86px;position:relative}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);gap:44px;align-items:center}
    .hero h1{
      font-size:clamp(2.25rem,5vw,4rem);
      line-height:1.08;letter-spacing:-.055em;font-weight:950;margin:20px 0 22px;
    }
    .hero h1 span{color:#763b1c}
    .lead{font-size:18px;color:#6f5a50;max-width:680px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
    .hero-search{
      margin-top:24px;max-width:660px;display:flex;gap:10px;align-items:center;
      background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:24px;
      padding:10px;box-shadow:var(--shadow);
    }
    .hero-search input{flex:1;border:0;outline:0;background:transparent;padding:0 12px;min-height:46px;color:var(--ink)}
    .hero-search:focus-within{box-shadow:var(--shadow),0 0 0 4px var(--ring);border-color:#b9763d}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .data-badge{
      display:inline-flex;align-items:baseline;gap:6px;
      padding:9px 13px;border-radius:999px;background:linear-gradient(180deg,#fffaf1,#f1dcc0);
      border:1px solid rgba(118,59,28,.16);box-shadow:0 8px 20px rgba(92,48,24,.08);
    }
    .data-badge strong{font-size:18px;color:#592c18}
    .data-badge span{font-size:13px;color:#746157}
    .visual-card{
      min-height:540px;border-radius:36px;padding:26px;position:relative;overflow:hidden;
      background:
        radial-gradient(circle at 80% 12%,rgba(231,196,151,.48),transparent 28%),
        linear-gradient(145deg,#291713 0%,#592c18 48%,#9b5a2d 100%);
      box-shadow:0 34px 90px rgba(63,33,23,.28);
      color:#fff9ef;
    }
    .visual-card:before{
      content:"";position:absolute;inset:0;opacity:.22;
      background-image:linear-gradient(rgba(255,249,239,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,249,239,.12) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg,#000,transparent 92%);
    }
    .visual-inner{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:space-between;gap:22px}
    .metal-plate{
      border:1px solid rgba(255,249,239,.22);border-radius:28px;padding:22px;
      background:rgba(255,249,239,.09);backdrop-filter:blur(8px);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
    }
    .plate-title{font-size:22px;font-weight:900;margin-bottom:14px}
    .meter{height:12px;border-radius:999px;background:rgba(255,249,239,.16);overflow:hidden;margin:14px 0}
    .meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#e7c497,#b9763d)}
    .stack{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-card{border-radius:22px;padding:16px;background:rgba(255,249,239,.12);border:1px solid rgba(255,249,239,.18)}
    .mini-card strong{font-size:24px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-head h2{font-size:clamp(1.9rem,3.5vw,2.75rem);line-height:1.16;letter-spacing:-.035em;font-weight:950}
    .section-head p{max-width:560px;color:#746157;font-size:16px}
    .feature-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}
    .card{
      background:rgba(255,255,255,.58);border:1px solid var(--line);
      border-radius:var(--radius);box-shadow:0 14px 36px rgba(92,48,24,.09);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 24px 58px rgba(92,48,24,.15);border-color:rgba(185,118,61,.45)}
    .feature-main{padding:36px;min-height:360px;background:linear-gradient(135deg,rgba(255,255,255,.68),rgba(244,226,200,.72))}
    .feature-side{display:grid;gap:22px}
    .feature-small{padding:28px}
    .num{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:16px;background:#3f2117;color:#fff9ef;font-weight:900;margin-bottom:18px}
    .card h3{font-size:22px;font-weight:900;margin-bottom:10px;color:#351d16}
    .card p{color:#746157}
    .category-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .category-card{padding:30px;position:relative;overflow:hidden}
    .category-card:after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:999px;background:rgba(214,155,97,.16)}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
    .tag{display:inline-flex;border-radius:999px;background:#f4e2c8;color:#763b1c;border:1px solid rgba(118,59,28,.14);padding:6px 10px;font-size:13px;font-weight:800}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:#763b1c;font-weight:900;margin-top:12px}
    .text-link span{transition:transform .2s ease}
    .text-link:hover span{transform:translateX(4px)}
    .process-panel{
      border-radius:34px;padding:34px;
      background:linear-gradient(135deg,#3f2117,#592c18 58%,#291713);
      color:#fff9ef;box-shadow:var(--shadow);
    }
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
    .step{padding:22px;border-radius:24px;background:rgba(255,249,239,.09);border:1px solid rgba(255,249,239,.16);position:relative}
    .step:not(:last-child):after{content:"";position:absolute;right:-12px;top:50%;width:18px;height:2px;background:#e7c497}
    .step b{color:#e7c497;font-size:13px}
    .step h3{font-size:18px;font-weight:900;margin:10px 0 6px}
    .step p{color:#ead8c4;font-size:14px}
    .contrast{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .contrast-card{padding:30px}
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-list li{display:flex;gap:10px;color:#665247}
    .check-list li:before{content:"";width:18px;height:18px;margin-top:5px;border-radius:999px;background:linear-gradient(135deg,#945225,#e7c497);flex:0 0 auto}
    .proof-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:stretch}
    .proof-card{padding:30px}
    .client-tags{display:flex;flex-wrap:wrap;gap:10px}
    .client-tags span{padding:10px 14px;border-radius:999px;background:#fff7eb;border:1px solid var(--line);font-weight:800;color:#592c18}
    .case-list{display:grid;gap:14px}
    .case-item{padding:18px;border-radius:22px;background:#fff7eb;border:1px solid var(--line)}
    .case-item strong{display:block;margin-bottom:4px;color:#351d16}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border-radius:22px;background:rgba(255,255,255,.62);border:1px solid var(--line);overflow:hidden}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:900;color:#351d16;display:flex;justify-content:space-between;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:#945225;font-weight:900}
    .faq-item[open]{background:#fff7eb;border-color:rgba(185,118,61,.42)}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{padding:0 20px 20px;color:#746157;font-size:15px}
    .cta-block{
      border-radius:38px;padding:44px;
      background:
        radial-gradient(circle at 12% 18%,rgba(231,196,151,.28),transparent 32%),
        linear-gradient(135deg,#291713,#592c18);
      color:#fff9ef;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;
      box-shadow:0 28px 80px rgba(63,33,23,.24);
    }
    .cta-block h2{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:950;line-height:1.18;letter-spacing:-.03em}
    .cta-block p{color:#ead8c4;margin-top:10px}
    .site-footer{background:#291713;color:#f8eddd;padding:54px 0 34px;border-top:1px solid rgba(231,196,151,.14)}
    .footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:28px}
    .footer-logo{display:flex;align-items:center;gap:10px;font-weight:950;margin-bottom:12px}
    .footer-logo .brand-mark{width:36px;height:36px;border-radius:14px}
    .footer-text{color:#d9c2ab;max-width:420px;font-size:14px}
    .footer-col h3{font-size:15px;font-weight:900;margin-bottom:12px;color:#fff9ef}
    .footer-col a{display:block;color:#d9c2ab;margin:8px 0;font-size:14px;transition:color .2s ease}
    .footer-col a:hover{color:#e7c497}
    .copyright{margin-top:32px;padding-top:22px;border-top:1px solid rgba(231,196,151,.14);color:#bda891;font-size:13px}
    .fixed-cta{
      position:fixed;left:50%;bottom:20px;transform:translateX(-50%);z-index:60;
      width:min(980px,calc(100% - 32px));
      background:rgba(41,23,19,.94);color:#fff9ef;
      border:1px solid rgba(231,196,151,.2);border-radius:999px;
      box-shadow:0 22px 60px rgba(41,23,19,.28);backdrop-filter:blur(12px);
      padding:10px 12px 10px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;
    }
    .fixed-cta strong{font-size:15px}
    .fixed-cta .mini-badges{display:flex;gap:8px;flex-wrap:wrap}
    .fixed-cta .mini-badges span{font-size:12px;color:#ead8c4;border:1px solid rgba(231,196,151,.2);border-radius:999px;padding:5px 9px}
    .fixed-actions{display:flex;gap:8px}
    .fixed-actions .btn{min-height:40px;padding:10px 15px;font-size:14px}
    @media (max-width:1024px){
      .site-container{padding:0 22px}
      .nav-wrap{flex-wrap:wrap;padding:14px 0;gap:12px}
      .nav-search{order:3;max-width:none;flex-basis:100%}
      .nav-links{margin-left:auto}
      .hero-grid,.feature-layout,.proof-grid,.faq-grid{grid-template-columns:1fr}
      .visual-card{min-height:420px}
      .process-grid{grid-template-columns:repeat(2,1fr)}
      .step:not(:last-child):after{display:none}
      .section{padding:82px 0}
    }
    @media (max-width:768px){
      body{padding-bottom:96px}
      .site-container{padding:0 18px}
      .nav-links{width:100%;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
      .nav-links::-webkit-scrollbar{display:none}
      .nav-link{flex:0 0 auto}
      .brand-text{max-width:170px;font-size:15px}
      .search-kbd{display:none}
      .hero{padding:54px 0 66px}
      .hero h1{letter-spacing:-.04em}
      .lead{font-size:16px}
      .hero-search{flex-direction:column;align-items:stretch;border-radius:24px}
      .hero-search input{width:100%}
      .hero-actions .btn,.hero-search .btn{width:100%}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .category-grid,.contrast{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .cta-block{grid-template-columns:1fr;padding:30px;border-radius:30px}
      .footer-grid{grid-template-columns:1fr}
      .fixed-cta{bottom:12px;border-radius:24px;padding:10px;width:calc(100% - 24px);display:grid;grid-template-columns:1fr}
      .fixed-cta strong,.fixed-cta .mini-badges{display:none}
      .fixed-actions{display:grid;grid-template-columns:1fr 1fr}
      .fixed-actions .btn{width:100%}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px}
      .nav-wrap{min-height:auto}
      .visual-card{min-height:360px;padding:20px;border-radius:28px}
      .stack{grid-template-columns:1fr}
      .feature-main,.feature-small,.category-card,.proof-card,.contrast-card{padding:24px}
      .section{padding:64px 0}
      .section-tight{padding:56px 0}
    }

/* roulang page: category2 */
:root{
      --bg:#fff8ef;
      --bg-soft:#fbefe2;
      --panel:#fffdf8;
      --panel-strong:#f7e4cf;
      --text:#261812;
      --muted:#745d50;
      --muted-2:#9a7b68;
      --copper:#8f4b27;
      --copper-dark:#3f2118;
      --copper-deep:#2b1712;
      --copper-light:#d69b60;
      --copper-pale:#f4e2cc;
      --green:#4f7a62;
      --line:rgba(143,75,39,.18);
      --line-strong:rgba(143,75,39,.34);
      --shadow:0 20px 60px rgba(92,48,24,.14);
      --shadow-soft:0 12px 32px rgba(92,48,24,.10);
      --radius:28px;
      --radius-sm:20px;
      --nav-h:82px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(214,155,96,.22), transparent 32%),
        radial-gradient(circle at 88% 10%, rgba(143,75,39,.14), transparent 34%),
        linear-gradient(180deg,#fff8ef 0%,#fbf0e3 52%,#fff8ef 100%);
      line-height:1.75;
      min-height:100vh;
      padding-bottom:118px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(214,155,96,.35)}
    :focus-visible{
      outline:3px solid rgba(214,155,96,.72);
      outline-offset:3px;
      border-radius:14px;
    }
    .site-container{
      width:min(1220px, calc(100% - 48px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,248,239,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(143,75,39,.14);
      box-shadow:0 8px 24px rgba(92,48,24,.06);
    }
    .nav-wrap{
      min-height:var(--nav-h);
      display:flex;
      align-items:center;
      gap:22px;
    }
    .brand{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      transition:transform .22s ease, opacity .22s ease;
    }
    .brand:hover{transform:translateY(-1px)}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.2), transparent 36%),
        radial-gradient(circle at 32% 28%, #e6c094 0 18%, transparent 19%),
        linear-gradient(135deg,#3f2118 0%,#8f4b27 52%,#d69b60 100%);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.28), 0 10px 22px rgba(92,48,24,.22);
      position:relative;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:1px solid rgba(255,248,239,.42);
      border-radius:10px;
    }
    .brand-text{
      max-width:178px;
      font-weight:800;
      letter-spacing:-.03em;
      line-height:1.12;
      font-size:17px;
      color:var(--copper-dark);
    }
    .nav-search{
      flex:1 1 460px;
      max-width:520px;
      min-width:260px;
      height:48px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,253,248,.9);
      display:flex;
      align-items:center;
      gap:12px;
      padding:0 10px 0 18px;
      box-shadow:0 8px 22px rgba(92,48,24,.06);
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .nav-search:focus-within{
      border-color:rgba(143,75,39,.48);
      box-shadow:0 0 0 5px rgba(214,155,96,.16),0 12px 26px rgba(92,48,24,.09);
      background:#fffdf8;
    }
    .nav-search svg{
      width:21px;
      height:21px;
      color:var(--copper);
      flex:0 0 auto;
    }
    .nav-search input{
      border:0;
      outline:0;
      background:transparent;
      width:100%;
      min-width:0;
      color:var(--text);
      font-size:14px;
    }
    .nav-search input::placeholder{color:#9c8170}
    .search-kbd{
      flex:0 0 auto;
      font-size:12px;
      color:var(--muted);
      background:#f4e2cc;
      border:1px solid rgba(143,75,39,.13);
      border-radius:999px;
      padding:4px 10px;
      white-space:nowrap;
    }
    .nav-links{
      flex:0 0 auto;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:0 14px;
      color:#5f4638;
      font-weight:700;
      font-size:14px;
      transition:background .22s ease, color .22s ease, transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--copper-dark);
      background:rgba(244,226,204,.72);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff8ef;
      background:linear-gradient(135deg,#572b1c,#8f4b27);
      box-shadow:0 10px 24px rgba(92,48,24,.16);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      border-radius:999px;
      padding:0 20px;
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      transition:transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn-primary{
      color:#fff8ef;
      background:linear-gradient(135deg,#3f2118 0%,#8f4b27 58%,#b8743c 100%);
      box-shadow:0 14px 30px rgba(92,48,24,.22);
    }
    .btn-primary:hover{
      box-shadow:0 18px 42px rgba(92,48,24,.28);
      background:linear-gradient(135deg,#572b1c 0%,#a55b31 62%,#d69b60 100%);
    }
    .btn-secondary{
      color:var(--copper-dark);
      background:rgba(244,226,204,.78);
      border-color:rgba(143,75,39,.18);
    }
    .btn-secondary:hover{
      background:#f4e2cc;
      border-color:rgba(143,75,39,.34);
      box-shadow:0 12px 26px rgba(92,48,24,.10);
    }
    .section{padding:94px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:rgba(244,226,204,.76);
      border:1px solid rgba(143,75,39,.16);
      color:var(--copper);
      font-size:14px;
      font-weight:800;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg,#8f4b27,#d69b60);
      box-shadow:0 0 0 4px rgba(214,155,96,.16);
    }
    .section-title{
      margin:16px 0 0;
      font-size:clamp(30px,4vw,44px);
      line-height:1.15;
      letter-spacing:-.04em;
      color:var(--copper-deep);
      font-weight:900;
    }
    .section-desc{
      margin:16px 0 0;
      color:var(--muted);
      font-size:17px;
      max-width:720px;
    }
    .hero{
      position:relative;
      padding:70px 0 82px;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(143,75,39,.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(143,75,39,.06) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 82%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0, 1.02fr) minmax(360px,.82fr);
      gap:42px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:20px;
      flex-wrap:wrap;
    }
    .breadcrumb a{font-weight:700;color:var(--copper)}
    .breadcrumb span:last-child{color:#5f4638}
    h1{
      margin:18px 0 0;
      font-size:clamp(36px,5.5vw,60px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:950;
      color:var(--copper-deep);
    }
    .hero-lead{
      margin:22px 0 0;
      max-width:680px;
      color:#654b3d;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .scene-pills{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:36px;
      padding:0 13px;
      border-radius:999px;
      background:rgba(255,253,248,.78);
      border:1px solid var(--line);
      color:#5f4638;
      font-size:14px;
      font-weight:750;
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .pill:hover{
      transform:translateY(-2px);
      border-color:rgba(143,75,39,.35);
      background:#fffdf8;
    }
    .pill i{
      width:8px;
      height:8px;
      border-radius:999px;
      background:#d69b60;
      display:inline-block;
    }
    .hero-panel{
      border-radius:34px;
      overflow:hidden;
      background:
        radial-gradient(circle at 18% 18%, rgba(230,192,148,.36), transparent 24%),
        radial-gradient(circle at 88% 25%, rgba(214,155,96,.20), transparent 32%),
        linear-gradient(145deg,#2b1712 0%,#572b1c 45%,#8f4b27 100%);
      padding:26px;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,248,239,.18);
      color:#fff8ef;
      min-height:450px;
      position:relative;
    }
    .hero-panel:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,248,239,.08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,248,239,.06) 1px, transparent 1px);
      background-size:30px 30px;
      opacity:.35;
      pointer-events:none;
    }
    .panel-inner{position:relative;z-index:1}
    .panel-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
      margin-bottom:28px;
    }
    .metal-tag{
      border:1px solid rgba(255,248,239,.24);
      background:rgba(255,248,239,.1);
      border-radius:999px;
      padding:8px 12px;
      color:#f8dfbd;
      font-size:13px;
      font-weight:800;
    }
    .panel-title{
      margin:0;
      max-width:280px;
      font-size:26px;
      line-height:1.22;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .metric-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:18px;
    }
    .metric{
      border:1px solid rgba(255,248,239,.18);
      background:rgba(255,248,239,.10);
      border-radius:22px;
      padding:18px;
      backdrop-filter:blur(10px);
    }
    .metric strong{
      display:block;
      font-size:28px;
      line-height:1;
      color:#ffe5c3;
      letter-spacing:-.03em;
    }
    .metric span{
      display:block;
      margin-top:8px;
      color:#e8c9a5;
      font-size:13px;
    }
    .layer-card{
      margin-top:22px;
      border-radius:26px;
      background:#fff8ef;
      color:var(--text);
      padding:20px;
      box-shadow:0 20px 44px rgba(43,23,18,.22);
    }
    .layer-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(143,75,39,.12);
    }
    .layer-row:last-child{border-bottom:0}
    .layer-row b{color:var(--copper-dark)}
    .layer-row span{
      color:var(--muted);
      font-size:13px;
      white-space:nowrap;
    }
    .scenario-nav{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
      margin-top:34px;
    }
    .scenario-tab{
      border:1px solid var(--line);
      background:rgba(255,253,248,.74);
      border-radius:22px;
      padding:18px;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .scenario-tab:hover{
      transform:translateY(-3px);
      border-color:rgba(143,75,39,.32);
      box-shadow:var(--shadow-soft);
    }
    .scenario-tab strong{
      display:block;
      color:var(--copper-dark);
      font-size:17px;
    }
    .scenario-tab span{
      display:block;
      margin-top:5px;
      color:var(--muted);
      font-size:14px;
    }
    .feature-wrap{
      background:linear-gradient(180deg,rgba(255,253,248,.62),rgba(244,226,204,.36));
      border-top:1px solid rgba(143,75,39,.10);
      border-bottom:1px solid rgba(143,75,39,.10);
    }
    .scene-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:22px;
      margin-top:34px;
      align-items:stretch;
    }
    .scene-card{
      position:relative;
      overflow:hidden;
      border-radius:32px;
      border:1px solid var(--line);
      background:#fffdf8;
      padding:30px;
      box-shadow:var(--shadow-soft);
      transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }
    .scene-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(143,75,39,.34);
    }
    .scene-card.primary{
      min-height:420px;
      background:
        radial-gradient(circle at 80% 20%, rgba(214,155,96,.22), transparent 30%),
        linear-gradient(145deg,#fffdf8 0%,#f7e4cf 100%);
    }
    .scene-card.dark{
      color:#fff8ef;
      background:
        radial-gradient(circle at 20% 15%, rgba(230,192,148,.20), transparent 28%),
        linear-gradient(145deg,#2b1712 0%,#572b1c 58%,#71371f 100%);
      border-color:rgba(255,248,239,.16);
    }
    .card-number{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:46px;
      height:46px;
      border-radius:16px;
      background:linear-gradient(135deg,#572b1c,#b8743c);
      color:#fff8ef;
      font-weight:950;
      box-shadow:0 10px 22px rgba(92,48,24,.20);
    }
    .scene-card.dark .card-number{
      background:rgba(255,248,239,.12);
      border:1px solid rgba(255,248,239,.22);
      color:#ffe5c3;
    }
    .scene-card h3{
      margin:22px 0 0;
      font-size:clamp(22px,3vw,32px);
      line-height:1.2;
      color:var(--copper-deep);
      font-weight:900;
      letter-spacing:-.035em;
    }
    .scene-card.dark h3{color:#fff8ef}
    .scene-card p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .scene-card.dark p{color:#e6c9aa}
    .sub-list{
      display:grid;
      gap:12px;
      margin-top:26px;
    }
    .sub-item{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:15px;
      border-radius:18px;
      background:rgba(255,253,248,.76);
      border:1px solid rgba(143,75,39,.12);
    }
    .scene-card.dark .sub-item{
      background:rgba(255,248,239,.10);
      border-color:rgba(255,248,239,.16);
    }
    .sub-dot{
      width:10px;
      height:10px;
      margin-top:8px;
      border-radius:999px;
      background:linear-gradient(135deg,#8f4b27,#d69b60);
      flex:0 0 auto;
    }
    .sub-item b{display:block;color:var(--copper-dark)}
    .scene-card.dark .sub-item b{color:#ffe5c3}
    .sub-item small{display:block;margin-top:2px;color:var(--muted);font-size:13px;line-height:1.6}
    .scene-card.dark .sub-item small{color:#e8c9a5}
    .stack-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
      margin-top:34px;
    }
    .need-card{
      border:1px solid var(--line);
      background:rgba(255,253,248,.86);
      border-radius:26px;
      padding:24px;
      box-shadow:0 10px 26px rgba(92,48,24,.07);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .need-card:hover{
      transform:translateY(-3px);
      border-color:rgba(143,75,39,.32);
      box-shadow:var(--shadow-soft);
    }
    .need-card h3{
      margin:0;
      color:var(--copper-deep);
      font-size:21px;
      font-weight:900;
    }
    .need-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .tag-row{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-top:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      background:#f4e2cc;
      color:#6f3c24;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(143,75,39,.10);
    }
    .process-section{
      background:
        radial-gradient(circle at 88% 8%, rgba(214,155,96,.18), transparent 28%),
        linear-gradient(145deg,#2b1712 0%,#3f2118 46%,#572b1c 100%);
      color:#fff8ef;
      border-radius:42px;
      margin:18px auto;
      width:min(1220px, calc(100% - 48px));
      padding:70px 0;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .process-section:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,248,239,.06) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,248,239,.05) 1px, transparent 1px);
      background-size:38px 38px;
      opacity:.45;
    }
    .process-section .site-container{position:relative;z-index:1}
    .process-section .section-title{color:#fff8ef}
    .process-section .section-desc{color:#e7c7a7}
    .timeline{
      margin-top:44px;
      display:grid;
      grid-template-columns:1fr;
      gap:18px;
      position:relative;
      max-width:880px;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:25px;
      top:16px;
      bottom:16px;
      width:2px;
      background:linear-gradient(180deg,#d69b60,rgba(214,155,96,.18));
    }
    .step{
      position:relative;
      display:grid;
      grid-template-columns:54px minmax(0,1fr);
      gap:18px;
      align-items:start;
    }
    .step-index{
      width:54px;
      height:54px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:18px;
      background:linear-gradient(135deg,#fff8ef,#e6c094);
      color:#572b1c;
      font-weight:950;
      box-shadow:0 14px 30px rgba(0,0,0,.18);
      z-index:1;
    }
    .step-box{
      border:1px solid rgba(255,248,239,.18);
      background:rgba(255,248,239,.10);
      border-radius:24px;
      padding:22px 24px;
      transition:transform .22s ease, background .22s ease, border-color .22s ease;
    }
    .step-box:hover{
      transform:translateX(4px);
      background:rgba(255,248,239,.14);
      border-color:rgba(230,192,148,.36);
    }
    .step-box h3{
      margin:0;
      font-size:21px;
      color:#ffe5c3;
      font-weight:900;
    }
    .step-box p{
      margin:8px 0 0;
      color:#e6c9aa;
      font-size:15px;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      margin-top:34px;
      align-items:stretch;
    }
    .proof-panel{
      border-radius:30px;
      border:1px solid var(--line);
      background:#fffdf8;
      padding:28px;
      box-shadow:var(--shadow-soft);
    }
    .proof-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:24px;
    }
    .stat-badge{
      border-radius:22px;
      background:linear-gradient(145deg,#f4e2cc,#fff8ef);
      border:1px solid rgba(143,75,39,.12);
      padding:18px;
    }
    .stat-badge strong{
      display:block;
      font-size:30px;
      line-height:1;
      color:var(--copper);
      letter-spacing:-.03em;
      font-weight:950;
    }
    .stat-badge span{
      display:block;
      color:var(--muted);
      margin-top:8px;
      font-size:13px;
    }
    .summary-list{
      display:grid;
      gap:14px;
    }
    .summary{
      border:1px solid var(--line);
      border-radius:24px;
      padding:20px;
      background:rgba(255,253,248,.84);
      transition:transform .22s ease, box-shadow .22s ease;
    }
    .summary:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
    }
    .summary h3{
      margin:0;
      font-size:19px;
      font-weight:900;
      color:var(--copper-deep);
    }
    .summary p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:28px;
      margin-top:34px;
      align-items:start;
    }
    .faq-note{
      border-radius:30px;
      padding:28px;
      background:linear-gradient(145deg,#f4e2cc,#fffdf8);
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      position:sticky;
      top:110px;
    }
    .faq-note h2{
      margin:0;
      font-size:30px;
      line-height:1.2;
      color:var(--copper-deep);
      font-weight:900;
      letter-spacing:-.035em;
    }
    .faq-note p{color:var(--muted);margin:12px 0 0}
    .faq-list{display:grid;gap:12px}
    details.faq-item{
      border:1px solid var(--line);
      background:rgba(255,253,248,.9);
      border-radius:22px;
      padding:0;
      overflow:hidden;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    details.faq-item:hover{
      border-color:rgba(143,75,39,.32);
      box-shadow:0 10px 24px rgba(92,48,24,.08);
    }
    details.faq-item[open]{
      background:#fff8ef;
      border-color:rgba(143,75,39,.40);
      box-shadow:var(--shadow-soft);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      font-weight:900;
      color:var(--copper-deep);
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:center;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;
      height:28px;
      border-radius:999px;
      background:#f4e2cc;
      color:var(--copper);
      display:flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      font-weight:900;
    }
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .consult{
      padding:84px 0 96px;
    }
    .consult-box{
      border-radius:36px;
      background:
        radial-gradient(circle at 10% 15%, rgba(230,192,148,.25), transparent 30%),
        linear-gradient(145deg,#fffdf8 0%,#f4e2cc 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      padding:34px;
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:start;
    }
    .consult-copy h2{
      margin:0;
      font-size:clamp(30px,4vw,42px);
      line-height:1.16;
      color:var(--copper-deep);
      font-weight:950;
      letter-spacing:-.045em;
    }
    .consult-copy p{
      margin:16px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .contact-chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .contact-chip{
      border-radius:999px;
      padding:8px 12px;
      border:1px solid rgba(143,75,39,.14);
      background:#fffdf8;
      color:#6f3c24;
      font-size:13px;
      font-weight:800;
    }
    .form-card{
      background:#fffdf8;
      border:1px solid rgba(143,75,39,.16);
      border-radius:28px;
      padding:24px;
      box-shadow:0 16px 36px rgba(92,48,24,.10);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{
      color:var(--copper-dark);
      font-weight:850;
      font-size:14px;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(143,75,39,.20);
      background:#fff8ef;
      border-radius:18px;
      padding:13px 14px;
      outline:none;
      color:var(--text);
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .field textarea{min-height:118px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(143,75,39,.55);
      box-shadow:0 0 0 5px rgba(214,155,96,.16);
      background:#fffdf8;
    }
    .form-tip{
      margin:12px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .site-footer{
      background:
        radial-gradient(circle at 12% 0%, rgba(214,155,96,.18), transparent 34%),
        linear-gradient(145deg,#24130f 0%,#2b1712 55%,#3f2118 100%);
      color:#fff8ef;
      padding:58px 0 34px;
      border-top:1px solid rgba(255,248,239,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .55fr .55fr;
      gap:36px;
      align-items:start;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      font-size:18px;
      line-height:1.2;
    }
    .footer-text{
      margin:16px 0 0;
      color:#d8b998;
      max-width:430px;
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#ffe5c3;
      font-size:16px;
      font-weight:900;
    }
    .footer-col a{
      display:block;
      color:#d8b998;
      font-size:14px;
      padding:5px 0;
      transition:color .2s ease, transform .2s ease;
    }
    .footer-col a:hover{
      color:#ffe5c3;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,248,239,.12);
      color:#bfa084;
      font-size:13px;
    }
    .fixed-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:60;
      width:min(1050px, calc(100% - 32px));
      border-radius:999px;
      background:rgba(43,23,18,.94);
      border:1px solid rgba(230,192,148,.26);
      box-shadow:0 18px 54px rgba(43,23,18,.30);
      backdrop-filter:blur(14px);
      color:#fff8ef;
      padding:10px;
    }
    .fixed-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .fixed-copy{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      padding-left:12px;
      font-weight:850;
    }
    .fixed-copy span{
      color:#e8c9a5;
      font-size:13px;
      font-weight:700;
    }
    .fixed-badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      padding:8px 12px;
      background:rgba(255,248,239,.12);
      border:1px solid rgba(255,248,239,.16);
      color:#ffe5c3;
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .fixed-actions{
      display:flex;
      align-items:center;
      gap:8px;
      flex:0 0 auto;
    }
    .fixed-actions .btn{
      min-height:42px;
      padding:0 18px;
    }
    .fixed-actions .btn-secondary{
      color:#ffe5c3;
      background:rgba(255,248,239,.10);
      border-color:rgba(255,248,239,.18);
    }
    .fixed-actions .btn-secondary:hover{background:rgba(255,248,239,.16)}
    @media (max-width:1120px){
      .nav-wrap{flex-wrap:wrap;padding:14px 0;gap:14px}
      .brand{order:1}
      .nav-links{order:2;margin-left:auto}
      .nav-search{order:3;flex-basis:100%;max-width:none}
      :root{--nav-h:116px}
      .hero-grid{grid-template-columns:1fr;gap:30px}
      .hero-panel{min-height:auto}
      .scenario-nav{grid-template-columns:repeat(2,1fr)}
      .scene-grid,.proof-grid,.faq-grid,.consult-box{grid-template-columns:1fr}
      .faq-note{position:relative;top:auto}
    }
    @media (max-width:820px){
      body{padding-bottom:104px}
      .site-container{width:min(100% - 36px, 1220px)}
      .nav-links{
        width:100%;
        order:4;
        overflow-x:auto;
        padding-bottom:3px;
        scrollbar-width:none;
      }
      .nav-links::-webkit-scrollbar{display:none}
      .nav-link,.nav-links .btn{flex:0 0 auto}
      .brand-text{max-width:210px}
      .section,.section-tight{padding:66px 0}
      .hero{padding:48px 0 64px}
      .metric-grid,.stack-grid,.proof-stats{grid-template-columns:1fr}
      .process-section{
        width:min(100% - 28px, 1220px);
        border-radius:32px;
        padding:54px 0;
      }
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .form-grid{grid-template-columns:1fr}
      .fixed-cta{
        width:calc(100% - 22px);
        bottom:10px;
        border-radius:24px;
      }
      .fixed-inner{align-items:stretch}
      .fixed-copy{display:none}
      .fixed-badge{display:none}
      .fixed-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
      .fixed-actions .btn{width:100%;padding:0 12px}
    }
    @media (max-width:560px){
      .site-container{width:min(100% - 28px, 1220px)}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .brand-text{font-size:15px;max-width:176px}
      .nav-search{height:46px;padding-left:14px}
      .search-kbd{display:none}
      h1{font-size:36px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .scene-pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .pill{flex:0 0 auto}
      .scenario-nav{display:flex;overflow-x:auto;padding-bottom:8px}
      .scenario-tab{min-width:210px}
      .hero-panel{border-radius:28px;padding:20px}
      .panel-top{display:grid}
      .layer-row{align-items:flex-start;flex-direction:column;gap:3px}
      .scene-card{border-radius:26px;padding:22px}
      .consult-box{border-radius:28px;padding:22px}
      .site-footer{padding-bottom:28px}
    }

/* roulang page: category1 */
:root{
      --bg: #f7f0e8;
      --bg-2: #efe4d7;
      --surface: rgba(255,255,255,.78);
      --surface-2: rgba(255,251,247,.92);
      --text: #2d1f17;
      --muted: #71574a;
      --line: rgba(122, 73, 47, .16);
      --line-strong: rgba(122, 73, 47, .28);
      --copper: #a05b34;
      --copper-dark: #6f3f24;
      --copper-deep: #45261a;
      --copper-soft: #e9d2be;
      --shadow: 0 16px 48px rgba(92, 48, 24, .12);
      --shadow-strong: 0 24px 70px rgba(92, 48, 24, .18);
      --radius-lg: 1.5rem;
      --radius-xl: 1.9rem;
      --radius-pill: 999px;
      --container: 1240px;
    }

    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.7;
      background:
        radial-gradient(circle at 15% 10%, rgba(196, 141, 91, .12), transparent 34%),
        radial-gradient(circle at 85% 0%, rgba(122, 73, 47, .10), transparent 28%),
        linear-gradient(180deg, #fbf7f2 0%, #f7f0e8 35%, #f3e8dc 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }
    body::before{
      content:"";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .25;
      background-image:
        linear-gradient(rgba(122,73,47,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(122,73,47,.03) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: radial-gradient(circle at center, black, transparent 90%);
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    :focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(160, 91, 52, .18);
    }

    .site-container {
      width: min(var(--container), calc(100% - 2rem));
      margin-inline: auto;
    }

    .site-header{
      position: sticky;
      top: 0;
      z-index: 60;
      backdrop-filter: blur(14px);
      background: rgba(247, 240, 232, .84);
      border-bottom: 1px solid rgba(122, 73, 47, .10);
      box-shadow: 0 8px 24px rgba(92, 48, 24, .05);
    }
    .nav-wrap{
      display: flex;
      align-items: center;
      gap: 1rem;
      min-height: 80px;
      padding: .9rem 0;
    }
    .brand{
      display: inline-flex;
      align-items: center;
      gap: .72rem;
      flex: 0 0 auto;
      font-weight: 700;
      letter-spacing: .02em;
      color: var(--copper-deep);
      white-space: nowrap;
    }
    .brand-mark,
    .footer-logo .brand-mark{
      width: 34px;
      height: 34px;
      border-radius: 999px;
      position: relative;
      background:
        linear-gradient(145deg, #d7a26c 0%, #a85f36 42%, #6f3f24 100%);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.32), 0 10px 24px rgba(122,73,47,.18);
      flex: 0 0 auto;
    }
    .brand-mark::after,
    .footer-logo .brand-mark::after{
      content:"";
      position: absolute;
      inset: 8px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.34);
      box-shadow: inset 0 0 0 1px rgba(48, 25, 13, .06);
    }

    .nav-search{
      flex: 1 1 470px;
      max-width: 530px;
      min-width: 260px;
      display: flex;
      align-items: center;
      gap: .7rem;
      padding: .82rem 1rem;
      border-radius: var(--radius-pill);
      background: rgba(255, 252, 248, .92);
      border: 1px solid rgba(122,73,47,.14);
      box-shadow: 0 8px 20px rgba(92, 48, 24, .06);
    }
    .nav-search svg{
      width: 18px;
      height: 18px;
      color: var(--copper);
      flex: 0 0 auto;
    }
    .nav-search input{
      width: 100%;
      border: none;
      background: transparent;
      color: var(--text);
      padding: 0;
      min-width: 0;
      outline: none;
    }
    .nav-search input::placeholder{ color: #8a6f60; }
    .search-kbd{
      flex: 0 0 auto;
      font-size: .8rem;
      color: var(--copper-dark);
      background: linear-gradient(180deg, rgba(233, 210, 190, .86), rgba(255,255,255,.7));
      border: 1px solid rgba(122,73,47,.12);
      border-radius: 999px;
      padding: .3rem .66rem;
    }

    .nav-links{
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: .5rem;
      flex: 0 0 auto;
      white-space: nowrap;
    }
    .nav-link{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: .72rem .95rem;
      border-radius: 999px;
      color: #5f483c;
      border: 1px solid transparent;
      transition: all .22s ease;
    }
    .nav-link:hover{
      color: var(--copper-deep);
      background: rgba(233, 210, 190, .34);
      border-color: rgba(122,73,47,.10);
    }
    .nav-link.active{
      color: var(--copper-deep);
      background: linear-gradient(180deg, rgba(233, 210, 190, .96), rgba(255,255,255,.82));
      border-color: rgba(122,73,47,.18);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.4);
    }

    .btn{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .48rem;
      border-radius: 999px;
      padding: .85rem 1.15rem;
      font-weight: 600;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
      border: 1px solid transparent;
      white-space: nowrap;
      cursor: pointer;
    }
    .btn:hover{ transform: translateY(-1px); }
    .btn-primary{
      color: #fff;
      background: linear-gradient(135deg, #9f5c35 0%, #7b4325 52%, #5d341d 100%);
      box-shadow: 0 14px 30px rgba(92, 48, 24, .18);
    }
    .btn-primary:hover{
      box-shadow: 0 16px 36px rgba(92, 48, 24, .24);
    }
    .btn-secondary{
      color: var(--copper-deep);
      background: rgba(233, 210, 190, .32);
      border-color: rgba(122,73,47,.14);
    }
    .btn-secondary:hover{
      background: rgba(233, 210, 190, .54);
    }
    .btn-ghost{
      color: var(--copper-deep);
      background: transparent;
      border-color: rgba(122,73,47,.15);
    }

    .site-section{
      padding: 5rem 0;
    }
    .section-title{
      font-size: clamp(1.8rem, 2.4vw, 2.8rem);
      line-height: 1.18;
      letter-spacing: -.02em;
      color: var(--copper-deep);
    }
    .section-lead{
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.8;
      max-width: 64rem;
    }
    .eyebrow{
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      padding: .34rem .82rem;
      border-radius: 999px;
      font-size: .82rem;
      font-weight: 600;
      color: var(--copper-dark);
      background: linear-gradient(180deg, rgba(233,210,190,.88), rgba(255,255,255,.78));
      border: 1px solid rgba(122,73,47,.12);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.55);
    }
    .eyebrow-dot{
      width: .5rem;
      height: .5rem;
      border-radius: 999px;
      background: linear-gradient(135deg, #d2a06b, #9d5b34);
      box-shadow: 0 0 0 4px rgba(160, 91, 52, .12);
    }

    .copper-card,
    .glass-card,
    .panel-card{
      border-radius: var(--radius-xl);
      border: 1px solid var(--line);
      background: var(--surface);
      box-shadow: var(--shadow);
      backdrop-filter: blur(10px);
    }
    .copper-card:hover,
    .panel-card:hover{
      border-color: var(--line-strong);
      box-shadow: var(--shadow-strong);
    }

    .hero-card{
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 20% 18%, rgba(255, 228, 199, .36), transparent 28%),
        radial-gradient(circle at 82% 10%, rgba(255, 197, 140, .18), transparent 28%),
        linear-gradient(145deg, #7a492f 0%, #5e351e 48%, #3e251a 100%);
      color: #fff7f0;
      box-shadow: 0 28px 70px rgba(77, 42, 24, .32);
    }
    .hero-card::before{
      content:"";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, rgba(255,255,255,.12), transparent 32%),
        linear-gradient(180deg, rgba(255,255,255,.06), transparent 26%);
      pointer-events: none;
    }
    .hero-card .texture{
      position: absolute;
      inset: auto -12% 0 auto;
      width: 72%;
      height: 72%;
      background:
        radial-gradient(circle at 20% 25%, rgba(255,255,255,.16), transparent 18%),
        radial-gradient(circle at 64% 40%, rgba(255,255,255,.10), transparent 16%),
        radial-gradient(circle at 36% 74%, rgba(255,255,255,.08), transparent 18%),
        linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,0));
      filter: blur(.2px);
      opacity: .95;
      transform: rotate(8deg);
    }

    .metric{
      border-radius: 1rem;
      border: 1px solid rgba(255, 239, 224, .16);
      background: rgba(255,255,255,.08);
      padding: .85rem .95rem;
      backdrop-filter: blur(8px);
    }
    .metric .num{
      font-size: 1.35rem;
      line-height: 1;
      font-weight: 800;
      letter-spacing: -.03em;
    }
    .metric .txt{
      font-size: .8rem;
      color: rgba(255, 244, 235, .82);
      margin-top: .25rem;
    }

    .badge-chip{
      display: inline-flex;
      align-items: center;
      gap: .38rem;
      border-radius: 999px;
      padding: .46rem .76rem;
      font-size: .8rem;
      font-weight: 600;
      color: var(--copper-deep);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(233,210,190,.72));
      border: 1px solid rgba(122,73,47,.12);
    }
    .badge-chip strong{
      color: var(--copper-dark);
      font-weight: 800;
    }

    .filter-chip{
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .4rem;
      padding: .7rem .95rem;
      border-radius: 999px;
      border: 1px solid rgba(122,73,47,.14);
      background: rgba(255,255,255,.8);
      color: var(--copper-deep);
      transition: all .22s ease;
      white-space: nowrap;
    }
    .filter-chip:hover{
      background: rgba(233,210,190,.52);
      border-color: rgba(122,73,47,.22);
      transform: translateY(-1px);
    }
    .filter-chip.active{
      background: linear-gradient(135deg, rgba(160,91,52,.18), rgba(233,210,190,.86));
      border-color: rgba(122,73,47,.26);
      color: var(--copper-deep);
    }

    .list-card{
      position: relative;
      overflow: hidden;
      border-radius: 1.45rem;
      border: 1px solid rgba(122,73,47,.14);
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(250,244,237,.88));
      box-shadow: 0 10px 26px rgba(92, 48, 24, .08);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .list-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(92, 48, 24, .12);
      border-color: rgba(122,73,47,.24);
    }
    .list-card::before{
      content:"";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: .35rem;
      background: linear-gradient(90deg, #bf8a56, #8f532f, #5f3520);
    }

    .side-card{
      border-radius: 1.45rem;
      border: 1px solid rgba(122,73,47,.14);
      background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(244,235,225,.9));
      box-shadow: 0 12px 28px rgba(92, 48, 24, .08);
    }

    .timeline-line{
      position: absolute;
      left: 1.1rem;
      top: 1rem;
      bottom: 1rem;
      width: 2px;
      background: linear-gradient(180deg, rgba(160,91,52,.2), rgba(122,73,47,.45), rgba(160,91,52,.2));
    }

    details{
      border-radius: 1.2rem;
      border: 1px solid rgba(122,73,47,.14);
      background: rgba(255,255,255,.82);
      box-shadow: 0 10px 24px rgba(92, 48, 24, .06);
      transition: all .22s ease;
    }
    details[open]{
      background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(246,238,230,.94));
      border-color: rgba(122,73,47,.24);
    }
    summary{
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.1rem 1.15rem;
      font-weight: 700;
      color: var(--copper-deep);
    }
    summary::-webkit-details-marker{ display:none; }
    .faq-body{
      padding: 0 1.15rem 1.15rem;
      color: var(--muted);
      line-height: 1.8;
      font-size: .96rem;
    }

    .form-field{
      width: 100%;
      border-radius: 1rem;
      border: 1px solid rgba(122,73,47,.18);
      background: rgba(255,255,255,.92);
      color: var(--text);
      padding: .92rem 1rem;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .form-field:focus{
      border-color: rgba(160,91,52,.45);
      box-shadow: 0 0 0 4px rgba(160,91,52,.12);
      background: #fff;
    }
    .form-field::placeholder{ color: #9a8376; }

    .footer-grid{
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, .8fr));
      gap: 1.5rem;
      padding: 3rem 0 2rem;
    }
    .site-footer{
      background:
        radial-gradient(circle at 0 0, rgba(191, 138, 86, .12), transparent 28%),
        linear-gradient(180deg, #3d251b, #2b1b13);
      color: rgba(255, 244, 235, .9);
      border-top: 1px solid rgba(255,255,255,.06);
      margin-top: 2rem;
    }
    .footer-logo{
      display: inline-flex;
      align-items: center;
      gap: .8rem;
      font-weight: 700;
      color: #fff7f0;
      font-size: 1.02rem;
    }
    .footer-text{
      margin-top: 1rem;
      max-width: 34rem;
      color: rgba(255, 240, 229, .76);
      line-height: 1.8;
    }
    .footer-col h3{
      font-size: 1rem;
      margin-bottom: 1rem;
      color: #fff7f0;
    }
    .footer-col a{
      display: block;
      color: rgba(255, 240, 229, .76);
      padding: .34rem 0;
      transition: color .2s ease;
    }
    .footer-col a:hover{
      color: #ffd2ad;
    }
    .copyright{
      padding: 1rem 0 2rem;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255, 239, 224, .64);
      font-size: .9rem;
    }

    .fixed-cta{
      position: fixed;
      left: 50%;
      transform: translateX(-50%);
      bottom: 1rem;
      z-index: 55;
      width: min(var(--container), calc(100% - 1rem));
      border-radius: 1.5rem;
      border: 1px solid rgba(255,255,255,.14);
      background: linear-gradient(135deg, rgba(69,38,26,.96), rgba(99,56,34,.95));
      color: #fff7f0;
      box-shadow: 0 24px 60px rgba(41, 23, 15, .28);
      backdrop-filter: blur(12px);
    }
    .fixed-cta .tag{
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      padding: .42rem .72rem;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.14);
      color: #fff0e3;
      font-size: .82rem;
      white-space: nowrap;
    }
    .fixed-cta .mini-text{
      color: rgba(255, 240, 229, .78);
      font-size: .92rem;
    }

    .hero-shadow{
      box-shadow: 0 22px 60px rgba(92, 48, 24, .10);
    }

    .tight-list li{
      position: relative;
      padding-left: 1rem;
    }
    .tight-list li::before{
      content:"";
      position: absolute;
      left: 0;
      top: .72rem;
      width: .4rem;
      height: .4rem;
      border-radius: 999px;
      background: linear-gradient(135deg, #d1a16d, #9d5b34);
    }

    @media (max-width: 1024px){
      .nav-wrap{
        flex-wrap: wrap;
        align-items: flex-start;
        padding: .9rem 0 1rem;
      }
      .nav-search{
        order: 3;
        width: 100%;
        max-width: none;
        flex-basis: 100%;
      }
      .nav-links{
        order: 2;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
        scrollbar-width: none;
      }
      .nav-links::-webkit-scrollbar{ display: none; }
      .footer-grid{
        grid-template-columns: 1fr;
      }
      .site-section{
        padding: 4rem 0;
      }
    }
    @media (max-width: 640px){
      .site-container{
        width: min(var(--container), calc(100% - 1.1rem));
      }
      .nav-wrap{
        gap: .8rem;
      }
      .brand{
        font-size: .98rem;
      }
      .search-kbd{
        display: none;
      }
      .fixed-cta{
        bottom: .55rem;
        width: calc(100% - .7rem);
        border-radius: 1.2rem;
      }
      .fixed-cta .mini-text{
        font-size: .88rem;
      }
      .site-section{
        padding: 3.5rem 0;
      }
    }