/* roulang page: index */
:root{
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --ink:#171016;
      --muted:#6d6570;
      --soft:#f7f1ea;
      --paper:#fffaf3;
      --line:rgba(56,36,48,.12);
      --deep:#170b16;
      --deep-2:#261021;
      --plum:#4b1738;
      --plum-2:#782653;
      --amber:#e7b45b;
      --champagne:#ffd98a;
      --magenta:#bc5a96;
      --mist:#f7f2ee;
      --white:#fffaf3;
      --radius-sm:14px;
      --radius-md:22px;
      --radius-lg:30px;
      --radius-xl:38px;
      --shadow-soft:0 18px 55px rgba(40,20,28,.12);
      --shadow-deep:0 28px 80px rgba(0,0,0,.32);
      --container:1200px;
      --nav-h:78px;
      --transition:220ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(231,180,91,.16), transparent 32rem),
        linear-gradient(180deg,#fffaf3 0%,#f5eee8 42%,#fffaf3 100%);
      line-height:1.75;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition)}
    img,svg{max-width:100%;display:block}
    button,input{font:inherit}
    input,button,a{outline-offset:4px}
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:3px solid rgba(231,180,91,.75);
      outline-offset:4px;
    }
    .site-container{
      width:min(calc(100% - 36px), var(--container));
      margin-inline:auto;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:74px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      color:var(--plum);
      background:rgba(231,180,91,.18);
      border:1px solid rgba(231,180,91,.36);
      font-size:13px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .eyebrow.dark{
      color:var(--champagne);
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.13);
    }
    .section-title{
      margin:18px 0 14px;
      font-size:clamp(28px,4vw,48px);
      line-height:1.12;
      letter-spacing:-.04em;
      color:var(--ink);
      font-weight:900;
    }
    .section-lead{
      max-width:720px;
      color:var(--muted);
      font-size:17px;
      margin:0;
    }
    .dark-section{
      background:
        radial-gradient(circle at 85% 20%, rgba(188,90,150,.24), transparent 28rem),
        linear-gradient(145deg,var(--deep),#24111f 56%,#10080f);
      color:var(--white);
      overflow:hidden;
    }
    .dark-section .section-title{color:var(--white)}
    .dark-section .section-lead{color:rgba(255,250,243,.72)}

    .site-header{
      position:fixed;
      z-index:1000;
      inset:0 0 auto 0;
      height:var(--nav-h);
      display:flex;
      align-items:center;
      background:rgba(23,11,22,.78);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.08);
      transition:background var(--transition), box-shadow var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(17,8,16,.94);
      box-shadow:0 12px 40px rgba(0,0,0,.22);
    }
    .topbar-inner{
      width:min(calc(100% - 36px), var(--container));
      margin:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        linear-gradient(135deg,var(--amber),var(--magenta)),
        var(--plum);
      position:relative;
      box-shadow:0 12px 28px rgba(231,180,91,.22);
      flex:0 0 auto;
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      background:rgba(23,11,22,.66);
      border-radius:5px;
    }
    .brand-mark:before{width:20px;height:7px;left:11px;top:12px}
    .brand-mark:after{width:26px;height:7px;left:8px;top:23px}
    .brand-text{
      color:var(--white);
      font-weight:900;
      letter-spacing:-.03em;
      font-size:18px;
      white-space:nowrap;
      max-width:360px;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .desktop-nav a{
      color:rgba(255,250,243,.72);
      padding:10px 14px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
    }
    .desktop-nav a:hover,
    .desktop-nav a.active{
      color:var(--champagne);
      background:rgba(255,255,255,.08);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 18px;
      border-radius:999px;
      background:var(--amber);
      color:#24110b;
      font-weight:900;
      box-shadow:0 12px 28px rgba(231,180,91,.24);
      white-space:nowrap;
    }
    .nav-cta:hover{transform:translateY(-2px);background:var(--champagne);color:#1b0c13}
    .menu-button{
      display:none;
      color:var(--white);
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.07);
      border-radius:14px;
      padding:9px 12px;
      font-weight:800;
    }

    .mobile-drawer{
      display:none;
      position:fixed;
      z-index:999;
      top:var(--nav-h);
      left:18px;
      right:18px;
      background:rgba(23,11,22,.96);
      border:1px solid rgba(255,255,255,.1);
      border-radius:0 0 24px 24px;
      padding:14px;
      box-shadow:var(--shadow-deep);
    }
    .mobile-drawer.is-open{display:block}
    .mobile-drawer a{
      display:flex;
      padding:13px 14px;
      border-radius:15px;
      color:rgba(255,250,243,.78);
      font-weight:800;
    }
    .mobile-drawer a.active,.mobile-drawer a:hover{
      color:var(--champagne);
      background:rgba(255,255,255,.08);
    }

    .hero{
      min-height:92vh;
      padding:calc(var(--nav-h) + 74px) 0 92px;
      color:var(--white);
      background:
        radial-gradient(circle at 82% 16%, rgba(188,90,150,.42), transparent 24rem),
        radial-gradient(circle at 14% 26%, rgba(231,180,91,.22), transparent 20rem),
        linear-gradient(135deg,#210b1e 0%,#421833 48%,#0d090e 100%);
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.15;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 82%);
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);
      gap:54px;
      align-items:center;
    }
    h1{
      font-size:clamp(36px,6vw,70px);
      line-height:1.08;
      letter-spacing:-.055em;
      margin:20px 0 22px;
      font-weight:950;
      max-width:820px;
    }
    .hero-lead{
      max-width:690px;
      color:rgba(255,250,243,.78);
      font-size:19px;
      margin:0 0 28px;
    }
    .hero-actions,.cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:999px;
      font-weight:900;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--champagne),var(--amber));
      color:#21100b;
      box-shadow:0 18px 34px rgba(231,180,91,.26);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 22px 42px rgba(231,180,91,.34);color:#150a08}
    .btn-secondary{
      background:rgba(255,255,255,.06);
      color:var(--white);
      border-color:rgba(255,255,255,.18);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,217,138,.4);transform:translateY(-3px);color:var(--champagne)}
    .btn-dark{
      background:var(--plum);
      color:var(--white);
    }
    .btn-dark:hover{background:#321226;transform:translateY(-2px);color:var(--champagne)}
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:30px;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
    }
    .tag{
      color:rgba(255,250,243,.78);
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
    }
    .badge{
      color:var(--plum);
      background:rgba(231,180,91,.18);
      border:1px solid rgba(231,180,91,.36);
    }
    .visual-panel{
      border-radius:36px;
      padding:18px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-deep);
      transform:rotate(-1.5deg);
    }
    .mock-window{
      border-radius:28px;
      overflow:hidden;
      background:#130b12;
      border:1px solid rgba(255,255,255,.1);
    }
    .mock-top{
      height:54px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 18px;
      background:rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.2)}
    .dot:nth-child(1){background:#ffcf72}.dot:nth-child(2){background:#bc5a96}.dot:nth-child(3){background:#7e5df0}
    .mock-search{
      margin-left:auto;
      width:44%;
      height:28px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
    }
    .mosaic{
      display:grid;
      grid-template-columns:repeat(6,1fr);
      gap:10px;
      padding:18px;
    }
    .tile{
      min-height:78px;
      border-radius:18px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg,rgba(231,180,91,.36),rgba(188,90,150,.2)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.06) 0 8px,rgba(255,255,255,.02) 8px 16px);
      filter:saturate(.86);
    }
    .tile:after{
      content:"";
      position:absolute;
      inset:0;
      backdrop-filter:blur(5px);
      background:rgba(12,6,11,.16);
    }
    .tile.large{grid-column:span 3;min-height:168px}
    .tile.wide{grid-column:span 4}
    .tile.mid{grid-column:span 2}
    .floating-status{
      position:absolute;
      right:10px;
      bottom:22px;
      display:grid;
      gap:8px;
      width:180px;
      padding:14px;
      border-radius:22px;
      background:rgba(255,250,243,.92);
      color:var(--ink);
      box-shadow:0 20px 46px rgba(0,0,0,.28);
      transform:rotate(2deg);
    }
    .status-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:900;color:#4b3c44}
    .status-bar{height:7px;border-radius:999px;background:#eadfd7;overflow:hidden}
    .status-bar span{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--amber),var(--magenta));border-radius:999px}

    .feature-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:stretch;
      margin-top:42px;
    }
    .feature-main,.card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,250,243,.78);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .feature-main:hover,.card:hover{transform:translateY(-5px);border-color:rgba(231,180,91,.55);box-shadow:0 22px 70px rgba(59,24,43,.16)}
    .feature-main{
      padding:34px;
      min-height:460px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 80% 18%,rgba(188,90,150,.16),transparent 16rem),
        linear-gradient(155deg,#fffaf3,#f4e8dc);
    }
    .feature-main h3,.card h3{font-size:25px;line-height:1.25;margin:18px 0 10px;color:#25131f;font-weight:950}
    .feature-main p,.card p{color:var(--muted);margin:0}
    .feature-map{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
    }
    .map-cell{
      min-height:64px;
      border-radius:18px;
      background:linear-gradient(135deg,rgba(75,23,56,.1),rgba(231,180,91,.14));
      border:1px solid rgba(75,23,56,.1);
    }
    .feature-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .mini-card{
      padding:26px;
      border-radius:var(--radius-md);
      background:#fffaf3;
      border:1px solid var(--line);
      box-shadow:0 10px 34px rgba(44,20,32,.08);
      transition:transform var(--transition), border-color var(--transition);
    }
    .mini-card:hover{transform:translateY(-4px);border-color:rgba(188,90,150,.3)}
    .icon-line{
      width:46px;height:46px;border-radius:16px;
      display:grid;place-items:center;
      color:var(--plum);
      background:rgba(231,180,91,.18);
      border:1px solid rgba(231,180,91,.38);
      font-weight:950;
    }
    .mini-card h3{margin:16px 0 8px;font-size:20px;line-height:1.25;font-weight:950}
    .mini-card p{margin:0;color:var(--muted);font-size:15px}

    .demo-shell{
      margin-top:44px;
      display:grid;
      grid-template-columns:300px 1fr;
      gap:20px;
      padding:20px;
      border-radius:36px;
      background:rgba(255,250,243,.08);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-deep);
    }
    .demo-sidebar{
      border-radius:26px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.1);
      padding:18px;
    }
    .demo-label{
      display:flex;align-items:center;justify-content:space-between;
      padding:13px 14px;
      border-radius:16px;
      color:rgba(255,250,243,.72);
      font-weight:800;
      margin-bottom:8px;
    }
    .demo-label.active{background:rgba(231,180,91,.17);color:var(--champagne);border:1px solid rgba(231,180,91,.24)}
    .demo-content{
      border-radius:26px;
      background:#120a11;
      border:1px solid rgba(255,255,255,.1);
      padding:18px;
    }
    .demo-toolbar{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:18px;
    }
    .demo-input{
      flex:1;
      height:46px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      color:var(--white);
      padding:0 18px;
    }
    .demo-input::placeholder{color:rgba(255,250,243,.45)}
    .demo-input:focus{border-color:var(--amber);box-shadow:0 0 0 4px rgba(231,180,91,.14)}
    .demo-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .demo-card{
      border-radius:20px;
      min-height:124px;
      padding:12px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.035)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 10px,transparent 10px 20px);
      border:1px solid rgba(255,255,255,.1);
    }
    .demo-card span{font-size:12px;color:rgba(255,250,243,.62);font-weight:800}
    .demo-card strong{color:var(--champagne);font-size:13px}

    .proof-grid{
      margin-top:42px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:stretch;
    }
    .steps{
      display:grid;
      gap:14px;
    }
    .step{
      display:grid;
      grid-template-columns:58px 1fr;
      gap:16px;
      padding:22px;
      border-radius:24px;
      background:#fffaf3;
      border:1px solid var(--line);
      box-shadow:0 10px 30px rgba(44,20,32,.06);
    }
    .step-num{
      width:48px;height:48px;border-radius:17px;
      background:var(--plum);
      color:var(--champagne);
      display:grid;place-items:center;
      font-weight:950;
    }
    .step h3{font-size:19px;margin:0 0 4px;font-weight:950}
    .step p{margin:0;color:var(--muted);font-size:15px}
    .proof-card{
      padding:34px;
      border-radius:32px;
      color:var(--white);
      background:
        radial-gradient(circle at 88% 15%,rgba(231,180,91,.28),transparent 16rem),
        linear-gradient(145deg,var(--plum),#1b0d18);
      box-shadow:var(--shadow-deep);
      position:relative;
      overflow:hidden;
    }
    .proof-card:after{
      content:"";
      position:absolute;
      inset:auto -40px -70px auto;
      width:220px;height:220px;
      border-radius:50%;
      border:34px solid rgba(255,255,255,.06);
    }
    .metric-list{
      margin-top:26px;
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .metric{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:14px 0;
      border-bottom:1px solid rgba(255,255,255,.12);
      color:rgba(255,250,243,.76);
    }
    .metric strong{color:var(--champagne)}

    .plan-wrap{
      margin-top:46px;
      display:grid;
      grid-template-columns:.92fr 1.16fr .92fr;
      gap:22px;
      align-items:center;
    }
    .plan-card{
      padding:30px;
      border-radius:30px;
      border:1px solid var(--line);
      background:#fffaf3;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .plan-card.featured{
      background:
        radial-gradient(circle at 85% 10%,rgba(231,180,91,.24),transparent 15rem),
        linear-gradient(145deg,#fffaf3,#f4e5d5);
      transform:scale(1.04);
      border-color:rgba(231,180,91,.48);
    }
    .plan-card:hover{transform:translateY(-6px);border-color:rgba(188,90,150,.36);box-shadow:0 24px 72px rgba(54,22,40,.16)}
    .plan-card.featured:hover{transform:scale(1.04) translateY(-6px)}
    .plan-name{font-weight:950;color:var(--plum);font-size:20px}
    .plan-price{font-size:34px;font-weight:950;line-height:1.1;margin:15px 0;color:var(--ink)}
    .plan-price small{font-size:14px;color:var(--muted);font-weight:800}
    .check-list{
      list-style:none;
      padding:0;
      margin:22px 0;
      display:grid;
      gap:11px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:#594d55;
      font-weight:700;
      font-size:15px;
    }
    .check-list li:before{
      content:"";
      width:18px;height:18px;border-radius:50%;
      margin-top:5px;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--amber),var(--magenta));
      box-shadow:inset 0 0 0 5px rgba(255,250,243,.55);
    }

    .category-entries{
      margin-top:42px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      min-height:260px;
      padding:30px;
      border-radius:32px;
      color:var(--white);
      background:linear-gradient(145deg,#321126,#160b15);
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow-deep);
    }
    .entry-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 80% 20%,rgba(231,180,91,.22),transparent 14rem),
        repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 12px,transparent 12px 24px);
      opacity:.9;
    }
    .entry-card > *{position:relative;z-index:1}
    .entry-card h3{font-size:28px;line-height:1.18;margin:18px 0 10px;font-weight:950}
    .entry-card p{color:rgba(255,250,243,.72);margin:0 0 22px}

    .faq-wrap{
      margin-top:40px;
      max-width:920px;
    }
    .accordion{
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:22px;
      overflow:hidden;
      background:#fffaf3;
      box-shadow:0 10px 28px rgba(44,20,32,.05);
    }
    .accordion-title{
      border:0;
      color:var(--ink);
      font-size:17px;
      font-weight:950;
      padding:20px 58px 20px 22px;
      background:#fffaf3;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fbefe2;
      color:var(--plum);
    }
    .accordion-title:before{
      right:22px;
      font-size:24px;
      color:var(--plum);
      transition:transform var(--transition);
    }
    .is-active>.accordion-title:before{transform:rotate(45deg)}
    .accordion-content{
      border:0;
      padding:0 22px 22px;
      color:var(--muted);
      background:#fffaf3;
    }

    .final-cta{
      padding:48px;
      border-radius:38px;
      background:
        radial-gradient(circle at 85% 20%,rgba(231,180,91,.26),transparent 18rem),
        linear-gradient(135deg,#421833,#170b16);
      color:var(--white);
      box-shadow:var(--shadow-deep);
      overflow:hidden;
      position:relative;
    }
    .final-cta h2{font-size:clamp(28px,4vw,46px);line-height:1.14;margin:12px 0;font-weight:950;letter-spacing:-.04em}
    .final-cta p{max-width:720px;color:rgba(255,250,243,.74);margin:0}

    .floating-cta{
      position:fixed;
      z-index:900;
      right:22px;
      bottom:100px;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      display:flex;align-items:center;justify-content:center;
      min-width:112px;
      height:46px;
      padding:0 18px;
      border-radius:999px;
      color:#21100b;
      background:var(--amber);
      box-shadow:0 18px 38px rgba(0,0,0,.22);
      font-weight:950;
      border:0;
      cursor:pointer;
    }
    .float-btn.alt{background:rgba(23,11,22,.86);color:var(--champagne);border:1px solid rgba(255,255,255,.12)}
    .float-btn:hover{transform:translateY(-3px);background:var(--champagne)}

    .site-footer{
      background:#10080f;
      color:rgba(255,250,243,.72);
      padding:58px 0 34px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .75fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      color:var(--white);
      font-weight:950;
      font-size:18px;
      margin-bottom:12px;
    }
    .footer-text{max-width:560px;margin:0;color:rgba(255,250,243,.62)}
    .footer-col h3{
      color:var(--champagne);
      font-size:15px;
      margin:0 0 14px;
      font-weight:950;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a:hover{color:var(--champagne)}
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:13px;
      color:rgba(255,250,243,.54);
    }

    .mobile-tabs{
      display:none;
      position:fixed;
      z-index:1100;
      left:0;right:0;bottom:0;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(16,8,15,.96);
      border-top:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(14px);
    }
    .mobile-tabs-inner{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:6px;
    }
    .tab-item{
      min-height:52px;
      border-radius:18px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      color:rgba(255,250,243,.62);
      font-size:12px;
      font-weight:900;
      gap:3px;
    }
    .tab-icon{
      width:20px;height:20px;border:2px solid currentColor;border-radius:7px;
      position:relative;
    }
    .tab-icon:after{
      content:"";
      position:absolute;
      width:6px;height:6px;border-radius:50%;
      background:currentColor;
      right:3px;top:3px;
    }
    .tab-item.active,.tab-item:hover{
      color:var(--champagne);
      background:rgba(255,255,255,.08);
    }

    @media (max-width:1024px){
      :root{--nav-h:72px}
      .desktop-nav,.nav-cta{display:none}
      .menu-button{display:inline-flex}
      .brand-text{max-width:64vw;font-size:16px}
      .hero-grid,.feature-layout,.proof-grid,.demo-shell{grid-template-columns:1fr}
      .hero{min-height:auto;padding-top:calc(var(--nav-h) + 54px)}
      .visual-panel{transform:none;max-width:640px;margin:auto}
      .plan-wrap{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .plan-card.featured:hover{transform:translateY(-6px)}
      .demo-grid{grid-template-columns:repeat(3,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:640px){
      body{padding-bottom:78px}
      .site-container,.topbar-inner{width:min(calc(100% - 28px), var(--container))}
      .section{padding:66px 0}
      .section-tight{padding:56px 0}
      .hero{padding-bottom:66px}
      h1{font-size:38px;letter-spacing:-.045em}
      .hero-lead{font-size:16px}
      .hero-actions,.cta-actions{align-items:stretch}
      .btn{width:100%;min-height:48px}
      .hero-tags{gap:8px}
      .mosaic{grid-template-columns:repeat(3,1fr)}
      .tile.large,.tile.wide,.tile.mid{grid-column:span 1;min-height:84px}
      .floating-status{position:relative;right:auto;bottom:auto;margin:12px 18px 18px;width:auto;transform:none}
      .feature-main{min-height:auto;padding:24px}
      .feature-map{grid-template-columns:repeat(2,1fr)}
      .feature-list,.category-entries{grid-template-columns:1fr}
      .mini-card,.plan-card,.entry-card{padding:22px}
      .demo-shell{padding:12px;border-radius:28px}
      .demo-grid{grid-template-columns:repeat(2,1fr)}
      .demo-card{min-height:104px}
      .demo-toolbar{flex-direction:column;align-items:stretch}
      .proof-card,.final-cta{padding:26px;border-radius:28px}
      .step{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .mobile-tabs{display:block}
      .floating-cta{right:16px;bottom:92px}
      .float-btn.alt{display:none}
      .float-btn{min-width:86px;height:42px}
    }

/* roulang page: category1 */
:root{
      --ink:#171015;
      --ink-2:#2a1b25;
      --plum:#2b1028;
      --plum-2:#451638;
      --cherry:#6d1f46;
      --violet:#9d4edd;
      --amber:#f2c46d;
      --amber-2:#ffe0a0;
      --rose:#d84e7f;
      --mist:#f7f2ec;
      --paper:#fffaf3;
      --soft:#efe4d8;
      --text:#201820;
      --muted:#776a72;
      --muted-light:#c9bec6;
      --line:rgba(43,16,40,.12);
      --line-dark:rgba(255,255,255,.12);
      --shadow:0 22px 70px rgba(43,16,40,.14);
      --shadow-soft:0 14px 38px rgba(43,16,40,.09);
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 10% 5%, rgba(242,196,109,.18), transparent 28rem),
        linear-gradient(180deg,#fffaf3 0%,#f6efe8 42%,#fffaf3 100%);
      line-height:1.75;
      overflow-x:hidden;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(242,196,109,.85);outline-offset:3px}
    .site-container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(32,16,30,.88);
      border-bottom:1px solid rgba(255,255,255,.1);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .topbar-inner{
      width:min(calc(100% - 40px),var(--container));
      min-height:78px;
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:#fff;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .brand:hover{color:var(--amber-2)}
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      position:relative;
      flex:0 0 auto;
      background:
        linear-gradient(135deg, rgba(242,196,109,.98), rgba(216,78,127,.86)),
        radial-gradient(circle at 70% 25%, #fff, transparent 32%);
      box-shadow:0 0 0 6px rgba(242,196,109,.08),0 16px 34px rgba(0,0,0,.28);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border-radius:4px;
      background:rgba(43,16,40,.72);
    }
    .brand-mark:before{width:18px;height:5px;left:10px;top:11px}
    .brand-mark:after{width:13px;height:13px;right:8px;bottom:8px;border-radius:50%;background:rgba(255,250,243,.78)}
    .brand-text{
      max-width:310px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      font-size:17px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:4px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      border-radius:999px;
    }
    .desktop-nav a{
      color:rgba(255,255,255,.78);
      padding:10px 16px;
      border-radius:999px;
      font-size:14px;
      font-weight:700;
    }
    .desktop-nav a:hover,
    .desktop-nav a.active{
      color:#211018;
      background:var(--amber);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 20px;
      border-radius:999px;
      color:#201018;
      background:linear-gradient(135deg,var(--amber),var(--amber-2));
      font-weight:800;
      box-shadow:0 12px 30px rgba(242,196,109,.23);
    }
    .nav-cta:hover{transform:translateY(-2px);filter:brightness(1.05);color:#201018}
    .menu-button{
      display:none;
      border:1px solid rgba(255,255,255,.16);
      color:#fff;
      background:rgba(255,255,255,.06);
      border-radius:999px;
      padding:10px 15px;
      font-weight:800;
    }
    .mobile-drawer{
      display:none;
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto 14px;
      padding:12px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:20px;
      background:rgba(255,255,255,.06);
    }
    .mobile-drawer.open{display:grid;gap:8px}
    .mobile-drawer a{
      color:#fff;
      padding:12px 14px;
      border-radius:14px;
      font-weight:750;
    }
    .mobile-drawer a.active,
    .mobile-drawer a:hover{background:rgba(242,196,109,.16);color:var(--amber-2)}
    .mobile-tabs{
      display:none;
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:90;
      padding:8px 10px calc(8px + env(safe-area-inset-bottom));
      background:rgba(24,13,22,.96);
      border-top:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(14px);
    }
    .mobile-tabs-inner{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      max-width:560px;
      margin:0 auto;
    }
    .tab-item{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:54px;
      border-radius:16px;
      color:rgba(255,255,255,.66);
      font-size:12px;
      font-weight:800;
    }
    .tab-icon{
      width:19px;height:19px;position:relative;display:block;
      border:2px solid currentColor;border-radius:6px;opacity:.95;
    }
    .tab-icon:after{content:"";position:absolute;width:6px;height:6px;right:-4px;top:-4px;border-radius:50%;background:currentColor}
    .tab-item.active,.tab-item:hover{color:var(--amber);background:rgba(242,196,109,.1)}
    .section{padding:94px 0}
    .section-tight{padding:66px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 14px;
      color:var(--cherry);
      font-weight:900;
      font-size:13px;
      letter-spacing:.08em;
    }
    .eyebrow:before{
      content:"";
      width:9px;height:9px;border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 6px rgba(242,196,109,.16);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(36px,6.4vw,66px);
      line-height:1.08;
      letter-spacing:-.055em;
      color:#fff;
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(28px,4.2vw,46px);
      line-height:1.14;
      letter-spacing:-.04em;
      color:var(--ink);
      margin-bottom:12px;
    }
    h3{font-size:22px;line-height:1.28;letter-spacing:-.025em;color:var(--ink)}
    .lead{font-size:18px;color:rgba(255,255,255,.78);max-width:660px}
    .muted{color:var(--muted)}
    .hero{
      position:relative;
      overflow:hidden;
      padding:88px 0 74px;
      background:
        radial-gradient(circle at 8% 20%, rgba(216,78,127,.28), transparent 24rem),
        radial-gradient(circle at 82% 18%, rgba(242,196,109,.22), transparent 28rem),
        linear-gradient(135deg,#24101f 0%,#421335 52%,#160f15 100%);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .hero:before{
      content:"";
      position:absolute;inset:0;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(180deg,#000,transparent 85%);
    }
    .hero .site-container{position:relative;z-index:1}
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .96fr;
      align-items:center;
      gap:48px;
    }
    .hero-tags,.filter-strip,.tag-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge,.filter-chip,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:7px 13px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      border:1px solid var(--line);
      background:rgba(255,255,255,.68);
      color:var(--ink-2);
    }
    .hero .badge{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.14);
      color:rgba(255,255,255,.82);
    }
    .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      line-height:1;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease;
    }
    .btn-primary{background:linear-gradient(135deg,var(--amber),var(--amber-2));color:#211018;box-shadow:0 18px 40px rgba(242,196,109,.24)}
    .btn-primary:hover{transform:translateY(-3px);color:#211018;filter:brightness(1.04)}
    .btn-secondary{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);color:#fff}
    .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(242,196,109,.45);color:var(--amber-2);transform:translateY(-3px)}
    .light-btn{background:#fff;color:var(--ink);border-color:rgba(43,16,40,.1);box-shadow:var(--shadow-soft)}
    .light-btn:hover{transform:translateY(-3px);border-color:rgba(242,196,109,.7);color:var(--ink)}
    .visual-panel{
      border-radius:34px;
      padding:20px;
      border:1px solid rgba(255,255,255,.13);
      background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
      box-shadow:0 30px 90px rgba(0,0,0,.24);
    }
    .mock-window{
      border-radius:26px;
      overflow:hidden;
      background:#201018;
      border:1px solid rgba(255,255,255,.12);
    }
    .mock-bar{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:15px;
      background:rgba(255,255,255,.055);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .dots{display:flex;gap:6px}
    .dots span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3)}
    .dots span:nth-child(1){background:var(--rose)}
    .dots span:nth-child(2){background:var(--amber)}
    .search-pill{
      flex:1;
      min-height:34px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.58);
      display:flex;
      align-items:center;
      padding:0 14px;
      font-size:13px;
    }
    .mosaic{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:10px;
      padding:18px;
    }
    .tile{
      min-height:104px;
      border-radius:18px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(135deg,rgba(242,196,109,.75),rgba(157,78,221,.36)),
        repeating-linear-gradient(45deg,rgba(255,255,255,.12) 0 8px,transparent 8px 16px);
      filter:saturate(.92);
    }
    .tile:nth-child(2n){background:linear-gradient(135deg,rgba(109,31,70,.9),rgba(242,196,109,.34)),repeating-linear-gradient(90deg,rgba(255,255,255,.1) 0 7px,transparent 7px 13px)}
    .tile:nth-child(3){grid-row:span 2;min-height:218px}
    .tile:after{
      content:"分区";
      position:absolute;
      left:10px;bottom:10px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(20,12,18,.62);
      color:#fff;
      font-size:12px;
      font-weight:900;
      backdrop-filter:blur(8px);
    }
    .filter-panel{
      padding:26px;
      margin-top:-34px;
      position:relative;
      z-index:2;
      border-radius:28px;
      background:rgba(255,250,243,.9);
      border:1px solid rgba(43,16,40,.1);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
    }
    .filter-panel h2{font-size:25px;margin-bottom:14px}
    .filter-chip{
      cursor:pointer;
      background:#fffaf3;
      border-color:rgba(43,16,40,.12);
    }
    .filter-chip.active,.filter-chip:hover{
      background:var(--plum);
      color:#fff;
      border-color:var(--plum);
      transform:translateY(-2px);
    }
    .content-layout{
      display:grid;
      grid-template-columns:290px 1fr;
      gap:28px;
      align-items:start;
    }
    .rail{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .rail-card,.content-card,.notice-card,.faq-card,.process-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,250,243,.86);
      box-shadow:var(--shadow-soft);
    }
    .rail-card{padding:24px}
    .rail-card h3{font-size:20px;margin-bottom:16px}
    .rail-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .rail-list a,.rule-item{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(43,16,40,.08);
      color:var(--ink-2);
      font-weight:800;
      font-size:14px;
    }
    .rail-list a:hover{border-color:rgba(242,196,109,.85);transform:translateX(3px)}
    .rule-item{align-items:flex-start;justify-content:flex-start;color:var(--muted);font-weight:650;line-height:1.55}
    .rule-dot{
      width:9px;height:9px;border-radius:50%;
      background:var(--amber);
      flex:0 0 auto;
      margin-top:7px;
    }
    .card-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:22px;
    }
    .content-card{
      overflow:hidden;
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .content-card:hover{
      transform:translateY(-5px);
      border-color:rgba(242,196,109,.75);
      box-shadow:0 24px 54px rgba(43,16,40,.13);
    }
    .thumb{
      min-height:170px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 72% 28%, rgba(255,224,160,.72), transparent 5rem),
        linear-gradient(135deg, rgba(69,22,56,.95), rgba(216,78,127,.58)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.1) 0 10px, transparent 10px 20px);
    }
    .thumb:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(90deg,rgba(255,255,255,.16),transparent 36%),
        repeating-linear-gradient(45deg,rgba(255,255,255,.13) 0 9px,transparent 9px 18px);
      filter:blur(.2px);
    }
    .thumb .status{
      position:absolute;left:18px;top:18px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(32,16,24,.7);
      color:#fff;
      font-size:12px;
      font-weight:900;
      backdrop-filter:blur(8px);
    }
    .card-body{padding:24px}
    .card-body h3{margin-bottom:10px}
    .meta{
      display:flex;flex-wrap:wrap;gap:8px;
      margin:15px 0 18px;
      color:var(--muted);
      font-size:13px;
      font-weight:750;
    }
    .meta span{
      padding:5px 9px;
      border-radius:999px;
      background:#f3ebe2;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cherry);
      font-weight:900;
    }
    .mini-link:hover{color:var(--plum);transform:translateX(4px)}
    .notice{
      margin-top:24px;
      padding:20px 22px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(43,16,40,.96),rgba(69,22,56,.92));
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 20px 54px rgba(43,16,40,.18);
    }
    .notice strong{display:block;font-size:18px;margin-bottom:4px}
    .notice p{margin:0;color:rgba(255,255,255,.72)}
    .notice-badge{
      flex:0 0 auto;
      border-radius:999px;
      padding:9px 13px;
      color:#201018;
      background:var(--amber);
      font-weight:900;
      font-size:13px;
    }
    .proof-section{
      background:
        radial-gradient(circle at 90% 15%, rgba(242,196,109,.2), transparent 26rem),
        linear-gradient(180deg,#fffaf3,#f0e6dc);
    }
    .process-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
    }
    .process-card{padding:28px}
    .timeline{display:grid;gap:16px;margin:0;padding:0;list-style:none}
    .timeline li{
      display:grid;
      grid-template-columns:44px 1fr;
      gap:14px;
      align-items:start;
    }
    .step-no{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--plum);
      color:var(--amber);
      font-weight:950;
    }
    .timeline h3{font-size:19px;margin-bottom:4px}
    .stat-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .stat{
      min-height:128px;
      padding:20px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(43,16,40,.08);
    }
    .stat b{display:block;font-size:28px;color:var(--cherry);line-height:1.1;margin-bottom:8px}
    .stat span{color:var(--muted);font-weight:700;font-size:14px}
    .plans{
      background:
        linear-gradient(135deg,rgba(43,16,40,.98),rgba(18,12,17,.98));
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .plans:before{
      content:"";
      position:absolute;right:-120px;top:-120px;
      width:360px;height:360px;border-radius:50%;
      background:rgba(242,196,109,.16);
      filter:blur(4px);
    }
    .plans .site-container{position:relative;z-index:1}
    .plans h2{color:#fff}
    .plans .muted{color:rgba(255,255,255,.68)}
    .plan-grid{
      display:grid;
      grid-template-columns:.92fr 1.16fr .92fr;
      gap:20px;
      align-items:center;
    }
    .plan-card{
      padding:28px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.055);
      transition:transform .22s ease,border-color .22s ease,background .22s ease;
    }
    .plan-card.featured{
      padding:34px;
      background:linear-gradient(180deg,rgba(242,196,109,.16),rgba(255,255,255,.06));
      border-color:rgba(242,196,109,.45);
      box-shadow:0 28px 80px rgba(0,0,0,.26);
    }
    .plan-card:hover{transform:translateY(-5px);border-color:rgba(242,196,109,.65)}
    .plan-card h3{color:#fff}
    .plan-state{font-size:30px;line-height:1.1;color:var(--amber);font-weight:950;margin:8px 0 18px}
    .check-list{margin:0 0 22px;padding:0;list-style:none;display:grid;gap:10px}
    .check-list li{color:rgba(255,255,255,.76);display:flex;gap:10px;align-items:flex-start}
    .check-list li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--amber);flex:0 0 auto;margin-top:9px}
    .faq-wrap{
      max-width:960px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(43,16,40,.1);
      border-radius:20px;
      overflow:hidden;
      background:#fffaf3;
      box-shadow:var(--shadow-soft);
    }
    .accordion-title{
      border:0!important;
      color:var(--ink)!important;
      padding:20px 58px 20px 22px;
      font-weight:900;
      font-size:17px;
      background:#fffaf3;
      line-height:1.45;
    }
    .accordion-title:before{
      right:22px;
      margin-top:-10px;
      color:var(--cherry);
      font-size:24px;
      transition:transform .22s ease;
    }
    .is-active>.accordion-title{background:#fff3df;color:var(--plum)!important}
    .is-active>.accordion-title:before{transform:rotate(45deg)}
    .accordion-content{
      border:0!important;
      background:#fffaf3;
      color:var(--muted);
      padding:0 22px 22px;
      line-height:1.8;
    }
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:42px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 84% 20%, rgba(242,196,109,.32), transparent 16rem),
        linear-gradient(135deg,#2b1028,#541842);
      color:#fff;
      box-shadow:0 30px 80px rgba(43,16,40,.2);
    }
    .cta-band h2{color:#fff;margin-bottom:8px}
    .cta-band p{margin:0;color:rgba(255,255,255,.72);max-width:680px}
    .site-footer{
      background:#160f15;
      color:#fff;
      padding:66px 0 34px;
      border-top:1px solid rgba(255,255,255,.1);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr .7fr;
      gap:34px;
      margin-bottom:38px;
    }
    .footer-brand{
      font-size:19px;
      font-weight:950;
      letter-spacing:-.02em;
      margin-bottom:12px;
    }
    .footer-text{color:rgba(255,255,255,.66);max-width:560px;margin:0}
    .footer-col h3{color:#fff;font-size:16px;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.62);font-weight:700}
    .footer-links a:hover{color:var(--amber);transform:translateX(3px)}
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.52);
      font-size:13px;
    }
    .float-cta{
      position:fixed;
      right:22px;
      bottom:28px;
      z-index:70;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-cta a,.float-cta button{
      min-width:48px;
      min-height:48px;
      border-radius:999px;
      border:1px solid rgba(43,16,40,.1);
      background:var(--amber);
      color:#211018;
      box-shadow:0 16px 42px rgba(43,16,40,.2);
      display:grid;
      place-items:center;
      font-weight:950;
      padding:0 16px;
    }
    .float-cta button:hover,.float-cta a:hover{transform:translateY(-3px);filter:brightness(1.04)}
    @media (max-width:1024px){
      .topbar-inner{min-height:70px}
      .desktop-nav,.nav-cta{display:none}
      .menu-button{display:inline-flex}
      .brand-text{max-width:55vw}
      .hero-grid,.content-layout,.process-grid,.cta-band{grid-template-columns:1fr}
      .rail{position:static}
      .rail-card:first-child .rail-list{grid-template-columns:repeat(2,minmax(0,1fr))}
      .plan-grid{grid-template-columns:1fr}
      .plan-card.featured{padding:30px}
    }
    @media (max-width:640px){
      body{padding-bottom:82px}
      .site-container,.topbar-inner,.mobile-drawer{width:min(calc(100% - 26px),var(--container))}
      .mobile-tabs{display:block}
      .hero{padding:58px 0 54px}
      h1{font-size:38px}
      h2{font-size:29px}
      .lead{font-size:16px}
      .section{padding:66px 0}
      .section-tight{padding:48px 0}
      .section-head{display:block}
      .filter-panel{margin-top:0;padding:20px;border-radius:22px}
      .hero-grid{gap:26px}
      .visual-panel{padding:12px;border-radius:24px}
      .mosaic{gap:8px;padding:12px}
      .tile{min-height:82px;border-radius:14px}
      .tile:nth-child(3){min-height:172px}
      .card-grid,.stat-grid,.rail-card:first-child .rail-list{grid-template-columns:1fr}
      .content-card,.rail-card,.process-card{border-radius:22px}
      .card-body{padding:20px}
      .notice{display:block;padding:20px}
      .notice-badge{display:inline-flex;margin-top:14px}
      .cta-band{padding:28px;border-radius:24px}
      .footer-grid{grid-template-columns:1fr;gap:24px}
      .copyright{display:grid}
      .float-cta{right:14px;bottom:92px}
      .float-cta a{display:none}
      .brand-mark{width:34px;height:34px}
      .brand-text{font-size:15px}
    }

/* roulang page: category2 */
:root{
      --ink:#151016;
      --ink-2:#241725;
      --plum:#2a0f25;
      --plum-2:#431436;
      --cherry:#5a173d;
      --violet:#9f4c96;
      --amber:#eac16a;
      --amber-2:#ffd98a;
      --cream:#f5efe4;
      --mist:#faf7f0;
      --warm:#eee3d2;
      --text:#221b20;
      --muted:#756b72;
      --soft:#f1e8db;
      --line:rgba(42,15,37,.14);
      --line-dark:rgba(255,255,255,.12);
      --white:#fffaf2;
      --danger:#c76a86;
      --ok:#7db98f;
      --radius-sm:14px;
      --radius-md:20px;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow-sm:0 12px 30px rgba(36,23,37,.08);
      --shadow-md:0 22px 60px rgba(36,23,37,.14);
      --shadow-dark:0 24px 80px rgba(0,0,0,.32);
      --container:1220px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      --ease:180ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at top right, rgba(234,193,106,.13), transparent 32rem),
        linear-gradient(180deg, #fffaf2 0%, #f7f0e6 48%, #fffaf2 100%);
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease)}
    a:hover,a:focus{color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{
      outline:3px solid rgba(234,193,106,.75);
      outline-offset:3px;
      border-radius:12px;
    }
    ::selection{background:var(--amber);color:var(--ink)}

    .site-container{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
    }
    .section{
      position:relative;
      padding:92px 0;
    }
    .section-tight{padding:64px 0}
    .section-dark{
      color:var(--white);
      background:
        radial-gradient(circle at 16% 12%, rgba(159,76,150,.26), transparent 26rem),
        radial-gradient(circle at 85% 22%, rgba(234,193,106,.15), transparent 28rem),
        linear-gradient(135deg, var(--plum) 0%, #160f17 68%, #110c11 100%);
      overflow:hidden;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:32px;
      padding:6px 12px;
      border:1px solid rgba(90,23,61,.14);
      border-radius:999px;
      color:var(--cherry);
      background:rgba(255,250,242,.78);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:0 8px 22px rgba(42,15,37,.06);
    }
    .section-dark .section-kicker{
      color:var(--amber-2);
      border-color:rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      box-shadow:none;
    }
    .section-title{
      margin:16px 0 14px;
      font-size:clamp(30px,4.3vw,48px);
      line-height:1.14;
      letter-spacing:-.04em;
      color:var(--ink);
    }
    .section-dark .section-title{color:var(--white)}
    .section-lead{
      margin:0;
      max-width:760px;
      color:var(--muted);
      font-size:17px;
    }
    .section-dark .section-lead{color:rgba(255,250,242,.74)}

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(24,15,25,.88);
      backdrop-filter:blur(18px);
      box-shadow:0 12px 34px rgba(0,0,0,.18);
    }
    .topbar-inner{
      width:min(calc(100% - 40px), var(--container));
      min-height:78px;
      margin-inline:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--white);
      font-weight:800;
    }
    .brand:hover{color:var(--amber-2)}
    .brand-mark{
      width:38px;
      height:38px;
      flex:0 0 auto;
      border-radius:14px;
      background:
        linear-gradient(135deg, rgba(234,193,106,.95), rgba(159,76,150,.84)),
        radial-gradient(circle at 70% 30%, #fff, transparent 28%);
      box-shadow:0 0 0 1px rgba(255,255,255,.18), 0 12px 28px rgba(234,193,106,.16);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::before,.brand-mark::after{
      content:"";
      position:absolute;
      background:rgba(42,15,37,.62);
      border-radius:999px;
    }
    .brand-mark::before{width:22px;height:4px;left:8px;top:12px}
    .brand-mark::after{width:14px;height:4px;left:8px;top:22px}
    .brand-text{
      max-width:330px;
      overflow:hidden;
      white-space:nowrap;
      text-overflow:ellipsis;
      font-size:16px;
      letter-spacing:-.02em;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.09);
      border-radius:999px;
      background:rgba(255,255,255,.05);
    }
    .desktop-nav a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:rgba(255,250,242,.72);
      font-size:14px;
      font-weight:700;
    }
    .desktop-nav a:hover{
      color:var(--white);
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .desktop-nav a.active{
      color:#241725;
      background:linear-gradient(135deg, var(--amber), var(--amber-2));
      box-shadow:0 10px 24px rgba(234,193,106,.18);
    }
    .nav-cta,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 20px;
      border:0;
      border-radius:999px;
      color:#21151f;
      background:linear-gradient(135deg, var(--amber), var(--amber-2));
      font-weight:800;
      box-shadow:0 12px 26px rgba(234,193,106,.2);
    }
    .nav-cta:hover,.btn-primary:hover{
      color:#160f17;
      filter:brightness(1.04);
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(234,193,106,.28);
    }
    .menu-button{
      display:none;
      min-height:42px;
      padding:0 15px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:999px;
      color:var(--white);
      background:rgba(255,255,255,.06);
      font-weight:800;
    }
    .mobile-panel{
      display:none;
      width:min(calc(100% - 40px), var(--container));
      margin:0 auto 14px;
      padding:12px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:20px;
      background:rgba(255,255,255,.06);
    }
    .mobile-panel.is-open{display:grid;gap:8px}
    .mobile-panel a{
      padding:12px 14px;
      border-radius:14px;
      color:rgba(255,250,242,.82);
      font-weight:800;
    }
    .mobile-panel a.active{
      color:#241725;
      background:var(--amber);
    }

    .mobile-tab{
      display:none;
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:999;
      padding:8px 14px calc(8px + env(safe-area-inset-bottom));
      border-top:1px solid rgba(255,255,255,.1);
      background:rgba(18,12,18,.96);
      backdrop-filter:blur(18px);
      box-shadow:0 -12px 34px rgba(0,0,0,.28);
    }
    .mobile-tab-inner{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:8px;
      max-width:560px;
      margin:auto;
    }
    .mobile-tab a{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:3px;
      min-height:52px;
      border-radius:16px;
      color:rgba(255,250,242,.66);
      font-size:12px;
      font-weight:800;
    }
    .mobile-tab i{
      width:19px;
      height:19px;
      border:2px solid currentColor;
      border-radius:7px;
      position:relative;
    }
    .mobile-tab i::after{
      content:"";
      position:absolute;
      width:7px;height:2px;
      left:4px;top:7px;
      background:currentColor;
      border-radius:99px;
    }
    .mobile-tab a.active{
      color:var(--amber-2);
      background:rgba(234,193,106,.12);
    }

    .hero{
      padding:72px 0 80px;
      color:var(--white);
      background:
        linear-gradient(90deg, rgba(10,8,10,.36) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.04) 1px, transparent 1px),
        radial-gradient(circle at 18% 22%, rgba(159,76,150,.38), transparent 34rem),
        radial-gradient(circle at 80% 16%, rgba(234,193,106,.17), transparent 28rem),
        linear-gradient(135deg, #2a0f25 0%, #180f18 58%, #0f0b10 100%);
      background-size:auto, 46px 46px, auto, auto, auto;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.88fr);
      gap:46px;
      align-items:center;
    }
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:999px;
      background:rgba(255,255,255,.07);
      color:rgba(255,250,242,.82);
      font-size:13px;
      font-weight:800;
    }
    .hero-badge::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 6px rgba(234,193,106,.12);
    }
    h1{
      margin:18px 0 18px;
      max-width:850px;
      font-size:clamp(36px,6vw,66px);
      line-height:1.08;
      letter-spacing:-.055em;
      color:var(--white);
    }
    .hero-sub{
      max-width:760px;
      margin:0 0 28px;
      color:rgba(255,250,242,.74);
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:12px;
      margin-bottom:26px;
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:0 20px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      color:var(--white);
      background:rgba(255,255,255,.06);
      font-weight:800;
    }
    .btn-secondary:hover{
      color:var(--amber-2);
      border-color:rgba(234,193,106,.45);
      background:rgba(234,193,106,.08);
      transform:translateY(-2px);
    }
    .trust-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:5px 11px;
      border:1px solid rgba(90,23,61,.14);
      border-radius:999px;
      color:var(--cherry);
      background:rgba(255,250,242,.76);
      font-size:13px;
      font-weight:800;
    }
    .hero .tag{
      color:rgba(255,250,242,.82);
      border-color:rgba(255,255,255,.13);
      background:rgba(255,255,255,.07);
    }
    .tag.active,.badge.hot{
      color:#241725;
      background:linear-gradient(135deg,var(--amber),var(--amber-2));
      border-color:transparent;
    }

    .topic-preview{
      position:relative;
      padding:18px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:34px;
      background:rgba(255,255,255,.07);
      box-shadow:var(--shadow-dark);
      overflow:hidden;
    }
    .topic-preview::before{
      content:"";
      position:absolute;
      inset:-40% -20% auto auto;
      width:260px;height:260px;
      border-radius:50%;
      background:rgba(234,193,106,.18);
      filter:blur(28px);
    }
    .preview-bar{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:16px;
      padding:12px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:22px;
      background:rgba(18,12,18,.5);
    }
    .preview-dot{display:flex;gap:6px}
    .preview-dot span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.28)}
    .preview-dot span:first-child{background:var(--amber)}
    .preview-status{
      color:rgba(255,250,242,.66);
      font-size:12px;
      font-weight:800;
    }
    .mosaic{
      position:relative;
      display:grid;
      grid-template-columns:1.4fr 1fr;
      gap:14px;
    }
    .mosaic-main,.mosaic-small{
      position:relative;
      min-height:260px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.1);
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(234,193,106,.32), transparent 42%),
        radial-gradient(circle at 30% 20%, rgba(159,76,150,.56), transparent 28%),
        repeating-linear-gradient(45deg, rgba(255,255,255,.08) 0 12px, rgba(255,255,255,.02) 12px 24px),
        #2a1928;
    }
    .mosaic-small{
      min-height:123px;
      background:
        radial-gradient(circle at 76% 28%, rgba(234,193,106,.32), transparent 24%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 10px, rgba(255,255,255,.02) 10px 20px),
        #281923;
    }
    .mosaic-stack{display:grid;gap:14px}
    .mosaic-label{
      position:absolute;
      left:16px;
      bottom:16px;
      padding:9px 12px;
      border-radius:999px;
      color:var(--white);
      background:rgba(18,12,18,.58);
      backdrop-filter:blur(12px);
      font-size:13px;
      font-weight:900;
    }

    .search-panel{
      margin-top:-38px;
      position:relative;
      z-index:5;
    }
    .search-box{
      display:grid;
      grid-template-columns:1fr auto;
      gap:12px;
      align-items:center;
      padding:12px;
      border:1px solid rgba(90,23,61,.12);
      border-radius:26px;
      background:rgba(255,250,242,.92);
      box-shadow:var(--shadow-md);
    }
    .search-input-wrap{
      position:relative;
    }
    .search-input-wrap::before{
      content:"";
      position:absolute;
      left:18px;
      top:50%;
      width:16px;height:16px;
      transform:translateY(-50%);
      border:2px solid rgba(90,23,61,.46);
      border-radius:50%;
    }
    .search-input-wrap::after{
      content:"";
      position:absolute;
      left:31px;
      top:calc(50% + 8px);
      width:8px;height:2px;
      transform:rotate(45deg);
      background:rgba(90,23,61,.46);
      border-radius:99px;
    }
    .search-box input{
      width:100%;
      min-height:54px;
      padding:0 18px 0 48px;
      border:1px solid transparent;
      border-radius:18px;
      color:var(--text);
      background:#fff;
      box-shadow:inset 0 0 0 1px rgba(42,15,37,.05);
      transition:border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }
    .search-box input:focus{
      outline:0;
      border-color:var(--amber);
      box-shadow:0 0 0 5px rgba(234,193,106,.2);
      background:#fffdf8;
    }
    .search-hint{
      margin:12px 0 0;
      color:var(--muted);
      font-size:13px;
    }

    .matrix-grid{
      display:grid;
      grid-template-columns:minmax(0,1.45fr) minmax(310px,.75fr);
      gap:22px;
      align-items:stretch;
      margin-top:34px;
    }
    .feature-card,.side-card,.group-card,.rule-card,.plan-card,.faq-card{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,250,242,.78);
      box-shadow:var(--shadow-sm);
      transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
      overflow:hidden;
    }
    .feature-card:hover,.side-card:hover,.group-card:hover,.rule-card:hover,.plan-card:hover{
      transform:translateY(-5px);
      border-color:rgba(234,193,106,.75);
      box-shadow:var(--shadow-md);
      background:#fffaf2;
    }
    .feature-card{
      min-height:480px;
      display:grid;
      grid-template-rows:auto 1fr auto;
      padding:28px;
      color:var(--white);
      background:
        linear-gradient(135deg, rgba(42,15,37,.92), rgba(22,15,23,.96)),
        radial-gradient(circle at 80% 20%, rgba(234,193,106,.28), transparent 28rem);
      border-color:rgba(255,255,255,.12);
      box-shadow:var(--shadow-dark);
    }
    .feature-card:hover{background:linear-gradient(135deg, rgba(42,15,37,.96), rgba(22,15,23,1))}
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:18px;
    }
    .feature-card h2{
      max-width:620px;
      margin:0;
      font-size:clamp(28px,4vw,46px);
      line-height:1.14;
      letter-spacing:-.04em;
      color:var(--white);
    }
    .feature-card p{
      max-width:650px;
      margin:16px 0 0;
      color:rgba(255,250,242,.74);
      font-size:17px;
    }
    .abstract-lines{
      align-self:end;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:10px;
      min-height:156px;
      margin-top:28px;
    }
    .abstract-lines span{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(180deg, rgba(234,193,106,.28), rgba(159,76,150,.12)),
        repeating-linear-gradient(0deg, rgba(255,255,255,.1) 0 8px, transparent 8px 16px);
      filter:blur(.15px);
    }
    .abstract-lines span:nth-child(2){margin-top:28px}
    .abstract-lines span:nth-child(3){margin-top:8px}
    .abstract-lines span:nth-child(4){margin-top:44px}
    .abstract-lines span:nth-child(5){margin-top:18px}
    .feature-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
    }
    .feature-foot small{color:rgba(255,250,242,.62);font-weight:700}

    .side-stack{display:grid;gap:18px}
    .side-card{
      display:grid;
      grid-template-columns:92px 1fr;
      gap:16px;
      padding:18px;
      min-height:146px;
    }
    .thumb{
      min-height:92px;
      border-radius:22px;
      border:1px solid rgba(42,15,37,.08);
      background:
        radial-gradient(circle at 70% 24%, rgba(234,193,106,.42), transparent 26%),
        repeating-linear-gradient(45deg, rgba(90,23,61,.16) 0 9px, rgba(255,255,255,.1) 9px 18px),
        linear-gradient(135deg, #ead8bf, #cda3bf);
      overflow:hidden;
      position:relative;
    }
    .thumb::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.42);
      background:rgba(255,255,255,.14);
      backdrop-filter:blur(4px);
    }
    .side-card h3,.group-card h3,.rule-card h3,.plan-card h3{
      margin:0 0 7px;
      font-size:20px;
      line-height:1.3;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .side-card p,.group-card p,.rule-card p,.plan-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.68;
    }
    .mini-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin-top:12px;
    }
    .mini-meta span{
      padding:4px 9px;
      border-radius:999px;
      background:var(--soft);
      color:var(--cherry);
      font-size:12px;
      font-weight:800;
    }

    .topic-strip{
      display:flex;
      gap:10px;
      margin-top:28px;
      padding:12px;
      overflow-x:auto;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,250,242,.66);
      scrollbar-width:thin;
    }
    .topic-strip .tag{white-space:nowrap}
    .topic-strip .tag:hover{
      transform:translateY(-2px);
      border-color:rgba(234,193,106,.7);
      background:#fff;
    }

    .group-layout{
      display:grid;
      grid-template-columns:320px minmax(0,1fr);
      gap:26px;
      margin-top:38px;
      align-items:start;
    }
    .tag-cloud{
      position:sticky;
      top:104px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,250,242,.76);
      box-shadow:var(--shadow-sm);
    }
    .tag-cloud h2{
      margin:0 0 10px;
      font-size:24px;
      letter-spacing:-.03em;
    }
    .tag-cloud p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
    }
    .cloud-items{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .cloud-items .tag{
      cursor:pointer;
      background:#fff;
    }
    .cloud-items .tag:hover{
      color:#21151f;
      background:var(--amber);
      border-color:transparent;
    }
    .group-list{display:grid;gap:18px}
    .group-card{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      padding:22px;
    }
    .group-card h3{font-size:22px}
    .group-card .btn-secondary{
      color:var(--cherry);
      border-color:rgba(90,23,61,.16);
      background:#fff;
      white-space:nowrap;
    }
    .group-card .btn-secondary:hover{
      color:#21151f;
      background:var(--amber);
      border-color:transparent;
    }
    .group-info{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:13px;
    }
    .group-info span{
      color:var(--muted);
      background:#f4eadc;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:800;
    }

    .rules-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
    }
    .rule-card{
      padding:24px;
      background:#fffaf2;
    }
    .rule-icon{
      width:42px;height:42px;
      display:grid;
      place-items:center;
      margin-bottom:16px;
      border-radius:16px;
      color:#241725;
      background:linear-gradient(135deg,var(--amber),var(--amber-2));
      font-weight:900;
      box-shadow:0 12px 24px rgba(234,193,106,.18);
    }

    .plans-band{
      display:grid;
      grid-template-columns:minmax(0,1fr) 380px;
      gap:24px;
      align-items:center;
      padding:34px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-xl);
      background:
        radial-gradient(circle at 80% 20%, rgba(234,193,106,.18), transparent 24rem),
        linear-gradient(135deg, rgba(42,15,37,.92), rgba(21,16,22,.98));
      box-shadow:var(--shadow-dark);
      overflow:hidden;
    }
    .plans-band h2{
      margin:0 0 12px;
      color:var(--white);
      font-size:clamp(28px,4vw,44px);
      letter-spacing:-.04em;
      line-height:1.18;
    }
    .plans-band p{
      margin:0;
      max-width:700px;
      color:rgba(255,250,242,.72);
    }
    .plan-card{
      padding:22px;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
      box-shadow:none;
    }
    .plan-card h3{color:var(--white)}
    .plan-card p{color:rgba(255,250,242,.68)}
    .plan-card ul{
      margin:16px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .plan-card li{
      position:relative;
      padding-left:24px;
      color:rgba(255,250,242,.78);
      font-size:14px;
      font-weight:700;
    }
    .plan-card li::before{
      content:"";
      position:absolute;
      left:0;top:.62em;
      width:10px;height:10px;
      border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 4px rgba(234,193,106,.12);
    }

    .faq-wrap{
      max-width:920px;
      margin:36px auto 0;
    }
    .accordion{
      margin:0;
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(255,250,242,.8);
      overflow:hidden;
      box-shadow:0 10px 28px rgba(42,15,37,.05);
    }
    .accordion-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:20px 24px;
      border:0;
      color:var(--ink);
      font-size:17px;
      font-weight:900;
      line-height:1.45;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:var(--cherry);
      background:#fffaf2;
    }
    .accordion-title::before{
      right:22px;
      margin-top:-8px;
      color:var(--cherry);
      font-size:22px;
      transition:transform 220ms ease;
    }
    .is-active>.accordion-title{
      color:var(--cherry);
      background:#fffaf2;
    }
    .is-active>.accordion-title::before{
      transform:rotate(45deg);
    }
    .accordion-content{
      padding:0 24px 22px;
      border:0;
      color:var(--muted);
      background:#fffaf2;
      line-height:1.75;
    }

    .floating-cta{
      position:fixed;
      right:22px;
      top:58%;
      z-index:980;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      min-width:92px;
      padding:11px 16px;
      border:1px solid rgba(42,15,37,.12);
      border-radius:999px;
      color:#21151f;
      background:linear-gradient(135deg,var(--amber),var(--amber-2));
      font-size:13px;
      font-weight:900;
      box-shadow:0 14px 30px rgba(42,15,37,.18);
      text-align:center;
    }
    .float-btn.secondary{
      color:var(--white);
      border-color:rgba(255,255,255,.14);
      background:rgba(24,15,25,.84);
      backdrop-filter:blur(14px);
    }
    .float-btn:hover{transform:translateY(-3px)}

    .site-footer{
      padding:64px 0 34px;
      color:rgba(255,250,242,.72);
      background:
        radial-gradient(circle at 18% 12%, rgba(159,76,150,.18), transparent 22rem),
        linear-gradient(135deg,#1a101b,#0f0b10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) .7fr .7fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      color:var(--white);
      font-size:18px;
      font-weight:900;
      letter-spacing:-.02em;
      margin-bottom:12px;
    }
    .footer-text{
      max-width:560px;
      margin:0;
      color:rgba(255,250,242,.66);
      line-height:1.8;
    }
    .footer-col h3{
      margin:0 0 12px;
      color:var(--amber-2);
      font-size:15px;
      font-weight:900;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,250,242,.68);
      font-weight:700;
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--amber-2);
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,250,242,.5);
      font-size:13px;
    }

    @media (max-width:1024px){
      .desktop-nav,.nav-cta{display:none}
      .menu-button{display:inline-flex;align-items:center}
      .topbar-inner{min-height:68px}
      .hero-grid,.matrix-grid,.plans-band{
        grid-template-columns:1fr;
      }
      .topic-preview{max-width:720px}
      .group-layout{
        grid-template-columns:1fr;
      }
      .tag-cloud{
        position:relative;
        top:auto;
      }
      .rules-grid{
        grid-template-columns:repeat(2,1fr);
      }
      .footer-grid{
        grid-template-columns:1fr 1fr;
      }
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:640px){
      body{padding-bottom:82px}
      .site-container,.topbar-inner,.mobile-panel{width:min(calc(100% - 28px), var(--container))}
      .site-header{position:sticky}
      .brand-text{max-width:210px;font-size:14px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .mobile-tab{display:block}
      .section{padding:64px 0}
      .section-tight{padding:48px 0}
      .hero{padding:46px 0 70px}
      h1{font-size:38px}
      .hero-sub{font-size:16px}
      .hero-actions{align-items:stretch}
      .hero-actions a{width:100%}
      .mosaic{grid-template-columns:1fr}
      .mosaic-main{min-height:210px}
      .mosaic-small{min-height:96px}
      .search-panel{margin-top:-28px}
      .search-box{grid-template-columns:1fr;padding:10px;border-radius:22px}
      .search-box .btn-primary{width:100%}
      .feature-card{min-height:auto;padding:22px;border-radius:26px}
      .abstract-lines{min-height:112px;gap:7px}
      .feature-foot{align-items:flex-start;flex-direction:column}
      .side-card{grid-template-columns:76px 1fr;padding:16px}
      .thumb{min-height:76px;border-radius:18px}
      .group-card{
        grid-template-columns:1fr;
        padding:18px;
      }
      .group-card .btn-secondary{width:100%}
      .rules-grid{grid-template-columns:1fr}
      .plans-band{padding:24px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
      .floating-cta{
        right:16px;
        top:auto;
        bottom:96px;
      }
      .floating-cta .secondary{display:none}
    }