/* roulang page: index */
:root{
      --color-primary:#6D2E7C;
      --color-primary-2:#8A3FFC;
      --color-rose:#FF6B9A;
      --color-orange:#FFB15C;
      --color-dark:#1D1724;
      --color-text:#2A2130;
      --color-muted:#6F6478;
      --color-bg:#FFF8F2;
      --color-lavender:#F6F0FF;
      --color-pink:#FFF1F5;
      --color-white:#FFFFFF;
      --color-border:rgba(109,46,124,.14);
      --shadow-soft:0 18px 50px rgba(63,31,74,.10);
      --shadow-hover:0 24px 68px rgba(63,31,74,.16);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:14px;
      --radius-pill:999px;
      --container:1200px;
      --section:96px;
      --ease:.25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-text);
      line-height:1.75;
      background:
        radial-gradient(circle at 85% 8%, rgba(255,107,154,.22), transparent 34%),
        radial-gradient(circle at 6% 24%, rgba(255,177,92,.20), transparent 30%),
        linear-gradient(180deg,var(--color-bg) 0%,#fff 46%,var(--color-lavender) 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:
        linear-gradient(rgba(109,46,124,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(109,46,124,.06) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000, transparent 72%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(255,107,154,.22);color:var(--color-dark)}
    .site-wrap{position:relative;min-height:100vh}
    .grid-container{max-width:var(--container)}
    .section{padding:var(--section) 0}
    .section-tight{padding:72px 0}
    .section-head{max-width:760px;margin:0 auto 42px;text-align:center}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.72);
      color:var(--color-primary);
      font-size:13px;
      font-weight:700;
      line-height:1.2;
      box-shadow:0 8px 24px rgba(63,31,74,.06);
    }
    .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary-2),var(--color-rose))}
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      font-size:clamp(38px,5.1vw,64px);
      line-height:1.1;
      letter-spacing:-.045em;
      font-weight:850;
      color:var(--color-dark);
      margin-bottom:22px;
    }
    h2{
      font-size:clamp(29px,3.2vw,42px);
      line-height:1.18;
      letter-spacing:-.032em;
      font-weight:820;
      color:var(--color-dark);
      margin-bottom:15px;
    }
    h3{
      font-size:22px;
      line-height:1.28;
      font-weight:780;
      color:var(--color-dark);
      margin-bottom:10px;
    }
    .lead{font-size:18px;color:var(--color-muted);max-width:720px}
    .muted{color:var(--color-muted)}
    .gradient-text{
      background:linear-gradient(100deg,var(--color-primary),var(--color-rose) 56%,#C87022);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:16px;
      z-index:50;
      padding:0 16px;
    }
    .command-nav{
      max-width:var(--container);
      margin:0 auto;
      min-height:74px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:12px 14px 12px 18px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-pill);
      background:rgba(255,248,242,.9);
      backdrop-filter:blur(16px);
      box-shadow:0 16px 44px rgba(63,31,74,.11);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--color-primary-2),var(--color-rose) 58%,var(--color-orange));
      box-shadow:0 12px 30px rgba(138,63,252,.24);
      position:relative;
      flex:0 0 42px;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:9px solid transparent;
      border-bottom:9px solid transparent;
      border-left:13px solid rgba(255,255,255,.96);
    }
    .brand-text{
      font-size:15px;
      line-height:1.2;
      font-weight:850;
      color:var(--color-primary);
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-sub{display:block;font-size:11px;color:var(--color-muted);font-weight:650;margin-top:2px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:8px;
      flex:0 0 auto;
    }
    .nav-links a{
      padding:10px 13px;
      border-radius:var(--radius-pill);
      color:#46384F;
      font-size:14px;
      font-weight:750;
    }
    .nav-links a:hover,.nav-links a:focus,.nav-links a.active{
      color:var(--color-primary);
      background:rgba(246,240,255,.95);
      outline:none;
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      margin-left:auto;
      min-width:0;
    }
    .command-search{
      width:286px;
      min-height:44px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:0 12px;
      border:1px solid var(--color-border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.78);
      color:var(--color-muted);
      font-size:13px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.72);
    }
    .search-icon{color:var(--color-primary);font-weight:900}
    .keycap{
      margin-left:auto;
      padding:3px 8px;
      border-radius:9px;
      background:var(--color-lavender);
      color:var(--color-primary);
      font-size:12px;
      font-weight:800;
      border:1px solid rgba(109,46,124,.10);
    }
    .menu-toggle{
      display:none;
      border:0;
      width:44px;
      height:44px;
      border-radius:15px;
      background:var(--color-lavender);
      color:var(--color-primary);
      font-size:22px;
      line-height:1;
      align-items:center;
      justify-content:center;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:50px;
      padding:0 22px;
      border-radius:var(--radius-pill);
      border:1px solid transparent;
      font-weight:800;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(115deg,var(--color-primary),var(--color-rose) 62%,var(--color-orange));
      box-shadow:0 14px 32px rgba(255,107,154,.24);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(255,107,154,.31);
      outline:3px solid rgba(255,241,245,.95);
    }
    .btn-secondary{
      color:var(--color-primary);
      background:rgba(255,255,255,.78);
      border-color:var(--color-border);
      box-shadow:0 10px 24px rgba(63,31,74,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      color:var(--color-primary);
      background:var(--color-lavender);
      border-color:rgba(255,177,92,.62);
      transform:translateY(-2px);
      outline:3px solid rgba(255,241,245,.95);
    }

    .hero{
      padding:84px 0 54px;
      min-height:680px;
      display:flex;
      align-items:center;
      position:relative;
    }
    .hero-copy{padding-top:28px}
    .hero .lead{margin-bottom:28px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 24px}
    .hero-search{
      display:flex;
      align-items:center;
      gap:12px;
      max-width:650px;
      padding:12px;
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
      margin:18px 0 22px;
    }
    .hero-search input{
      flex:1;
      min-width:0;
      border:0;
      box-shadow:none;
      background:transparent;
      height:42px;
      margin:0;
      color:var(--color-text);
      padding:0 4px;
    }
    .hero-search input:focus{box-shadow:none;background:transparent}
    .hero-search .btn{min-height:42px;padding:0 16px}
    .badge-row{display:flex;gap:10px;flex-wrap:wrap}
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.7);
      border:1px solid var(--color-border);
      color:#4B3D54;
      font-size:13px;
      font-weight:750;
    }
    .mini-badge strong{color:var(--color-primary)}
    .product-panel{
      position:relative;
      padding:16px;
      border-radius:34px;
      background:linear-gradient(145deg,rgba(255,255,255,.86),rgba(255,241,245,.72));
      border:1px solid rgba(109,46,124,.16);
      box-shadow:0 30px 80px rgba(63,31,74,.16);
    }
    .browser-dots{display:flex;gap:7px;padding:8px 10px 14px}
    .browser-dots span{width:10px;height:10px;border-radius:50%;background:#FFB15C}
    .browser-dots span:nth-child(2){background:#FF6B9A}
    .browser-dots span:nth-child(3){background:#8A3FFC}
    .player-box{
      min-height:285px;
      border-radius:28px;
      overflow:hidden;
      background:
        radial-gradient(circle at 78% 24%,rgba(255,177,92,.62),transparent 28%),
        radial-gradient(circle at 22% 20%,rgba(138,63,252,.54),transparent 34%),
        linear-gradient(135deg,#372044,#8A3FFC 44%,#FF6B9A);
      position:relative;
    }
    .player-box:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.32);
      background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.04));
    }
    .play-circle{
      position:absolute;
      left:50%;
      top:46%;
      transform:translate(-50%,-50%);
      width:78px;
      height:78px;
      border-radius:50%;
      background:rgba(255,255,255,.92);
      box-shadow:0 20px 48px rgba(29,23,36,.25);
    }
    .play-circle:after{
      content:"";
      position:absolute;
      left:32px;
      top:24px;
      width:0;
      height:0;
      border-top:15px solid transparent;
      border-bottom:15px solid transparent;
      border-left:22px solid var(--color-primary);
    }
    .panel-list{
      display:grid;
      gap:11px;
      padding:16px 4px 0;
    }
    .panel-row{
      display:grid;
      grid-template-columns:42px 1fr auto;
      gap:12px;
      align-items:center;
      padding:12px;
      border-radius:18px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(109,46,124,.10);
    }
    .thumb{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(135deg,var(--color-lavender),var(--color-pink));
      position:relative;
    }
    .thumb:after{
      content:"";
      position:absolute;
      left:16px;
      top:12px;
      width:0;
      height:0;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      border-left:12px solid var(--color-primary);
      opacity:.75;
    }
    .panel-row b{display:block;color:var(--color-dark);font-size:14px;line-height:1.25}
    .panel-row small{color:var(--color-muted);font-weight:650}
    .status-pill{
      padding:6px 10px;
      border-radius:var(--radius-pill);
      background:rgba(255,177,92,.18);
      color:#8A4C09;
      font-size:12px;
      font-weight:800;
    }
    .float-note{
      position:absolute;
      right:-12px;
      top:96px;
      width:158px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.92);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }
    .float-note strong{display:block;color:var(--color-primary);font-size:14px;margin-bottom:2px}
    .float-note span{font-size:12px;color:var(--color-muted);line-height:1.45;display:block}

    .value-strip{
      margin-top:22px;
      padding:18px;
      border-radius:30px;
      background:rgba(255,255,255,.72);
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
    }
    .metric{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px;
      border-radius:20px;
      background:linear-gradient(180deg,rgba(255,255,255,.74),rgba(246,240,255,.48));
    }
    .metric-icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--color-primary),var(--color-rose));
      color:#fff;
      font-weight:900;
      flex:0 0 auto;
    }
    .metric strong{display:block;color:var(--color-dark);line-height:1.2}
    .metric span{display:block;color:var(--color-muted);font-size:13px;font-weight:650}

    .feature-wrap{
      display:grid;
      grid-template-columns:minmax(0,5fr) minmax(0,7fr);
      gap:28px;
      align-items:stretch;
    }
    .main-feature,.card{
      border:1px solid var(--color-border);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.74);
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .main-feature:hover,.card:hover,.plan:hover,.feedback-card:hover,.category-preview:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(255,107,154,.35);
    }
    .main-feature{
      padding:34px;
      background:
        radial-gradient(circle at 88% 12%,rgba(255,107,154,.18),transparent 35%),
        linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,241,245,.68));
      position:relative;
      overflow:hidden;
    }
    .main-feature-visual{
      height:220px;
      margin:26px 0 22px;
      border-radius:26px;
      background:
        linear-gradient(135deg,rgba(138,63,252,.12),rgba(255,107,154,.18)),
        var(--color-white);
      border:1px solid rgba(109,46,124,.12);
      padding:18px;
      display:grid;
      gap:12px;
      align-content:center;
    }
    .visual-line{
      height:18px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--color-primary-2),rgba(255,107,154,.65),rgba(255,177,92,.55));
    }
    .visual-line:nth-child(2){width:72%;opacity:.68}
    .visual-line:nth-child(3){width:88%;opacity:.42}
    .feature-list{display:grid;gap:16px}
    .feature-row{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:22px;
      border-radius:24px;
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.78);
      box-shadow:0 10px 28px rgba(63,31,74,.06);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .feature-row:hover{transform:translateY(-3px);border-color:rgba(255,177,92,.55);box-shadow:var(--shadow-soft)}
    .feature-icon{
      width:54px;
      height:54px;
      border-radius:18px;
      background:linear-gradient(135deg,var(--color-lavender),var(--color-pink));
      color:var(--color-primary);
      display:grid;
      place-items:center;
      font-size:22px;
      font-weight:900;
    }
    .tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 10px;
      border-radius:var(--radius-pill);
      background:rgba(246,240,255,.92);
      border:1px solid rgba(109,46,124,.10);
      color:var(--color-primary);
      font-size:12px;
      font-weight:780;
    }

    .scenario-section{
      background:
        radial-gradient(circle at 16% 20%,rgba(138,63,252,.12),transparent 30%),
        linear-gradient(180deg,rgba(246,240,255,.88),rgba(255,248,242,.72));
      border-top:1px solid rgba(109,46,124,.08);
      border-bottom:1px solid rgba(109,46,124,.08);
    }
    .timeline{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
    }
    .timeline-card{
      padding:24px;
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.78);
      border:1px solid var(--color-border);
      box-shadow:0 12px 34px rgba(63,31,74,.07);
    }
    .step-num{
      width:38px;
      height:38px;
      display:grid;
      place-items:center;
      border-radius:14px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),var(--color-rose));
      margin-bottom:16px;
    }

    .category-layout{
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
      gap:26px;
      align-items:stretch;
    }
    .category-preview{
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(150deg,rgba(255,255,255,.8),rgba(255,241,245,.7));
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .category-art{
      min-height:230px;
      border-radius:26px;
      margin-bottom:24px;
      background:
        radial-gradient(circle at 74% 24%,rgba(255,177,92,.66),transparent 28%),
        radial-gradient(circle at 30% 36%,rgba(255,107,154,.45),transparent 32%),
        linear-gradient(135deg,#6D2E7C,#8A3FFC);
      position:relative;
      overflow:hidden;
    }
    .category-art:after{
      content:"";
      position:absolute;
      inset:22px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.30);
      background:repeating-linear-gradient(0deg,rgba(255,255,255,.18) 0 10px,transparent 10px 24px);
      opacity:.45;
    }
    .tag-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .matrix-item{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.76);
      border:1px solid var(--color-border);
    }
    .matrix-item strong{display:block;color:var(--color-dark);margin-bottom:3px}
    .matrix-item span{font-size:13px;color:var(--color-muted)}

    .proof-wall{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:start;
    }
    .data-wall{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .data-badge{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.78);
      box-shadow:0 12px 34px rgba(63,31,74,.07);
    }
    .data-badge b{display:block;font-size:30px;line-height:1.1;color:var(--color-primary);margin-bottom:6px}
    .data-badge span{font-size:14px;color:var(--color-muted);font-weight:650}
    .feedbacks{display:grid;gap:14px}
    .feedback-card{
      padding:22px;
      border-radius:24px;
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.78);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .feedback-card p{font-size:16px;margin-bottom:12px;color:#43354B}
    .feedback-card small{color:var(--color-primary);font-weight:800}

    .plans{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
    }
    .plan{
      position:relative;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid var(--color-border);
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
      overflow:hidden;
    }
    .plan.featured{border-color:rgba(255,107,154,.34);background:linear-gradient(180deg,rgba(255,241,245,.82),rgba(255,255,255,.82))}
    .plan.featured:before{
      content:"推荐体验";
      position:absolute;
      top:18px;
      right:18px;
      padding:6px 10px;
      border-radius:var(--radius-pill);
      background:linear-gradient(135deg,var(--color-primary),var(--color-rose));
      color:#fff;
      font-size:12px;
      font-weight:850;
    }
    .plan-name{color:var(--color-primary);font-weight:850;margin-bottom:8px}
    .plan-price{font-size:28px;font-weight:880;color:var(--color-dark);margin-bottom:12px}
    .check-list{list-style:none;margin:18px 0 24px;padding:0;display:grid;gap:10px}
    .check-list li{position:relative;padding-left:26px;color:#4B3D54}
    .check-list li:before{
      content:"✓";
      position:absolute;
      left:0;
      top:0;
      color:var(--color-primary);
      font-weight:900;
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .faq-item{
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid var(--color-border);
      box-shadow:0 12px 34px rgba(63,31,74,.07);
    }
    .faq-item h3{font-size:18px}
    .faq-item p{color:var(--color-muted);margin-bottom:0}
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:48px;
      border-radius:34px;
      color:#fff;
      background:
        radial-gradient(circle at 84% 24%,rgba(255,177,92,.72),transparent 32%),
        linear-gradient(120deg,var(--color-primary),var(--color-primary-2) 48%,var(--color-rose));
      box-shadow:0 30px 80px rgba(109,46,124,.25);
    }
    .cta-card:before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.22);
      pointer-events:none;
    }
    .cta-card h2,.cta-card p{color:#fff;position:relative}
    .cta-card p{max-width:690px;color:rgba(255,255,255,.82)}
    .cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .cta-card .btn-secondary{background:rgba(255,255,255,.92)}

    .site-footer{
      background:var(--color-dark);
      color:rgba(255,255,255,.72);
      padding:70px 0 28px;
      margin-top:30px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:15px}
    .footer-brand .brand-text{color:#fff}
    .footer-brand .brand-sub{color:rgba(255,255,255,.58)}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:13px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.72)}
    .footer-links a:hover,.footer-links a:focus{color:var(--color-orange);outline:none}
    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding-top:22px;
      font-size:13px;
      color:rgba(255,255,255,.56);
    }

    @media (max-width:1024px){
      :root{--section:78px}
      .command-nav{border-radius:28px;align-items:flex-start;flex-wrap:wrap}
      .nav-links{order:3;width:100%;justify-content:center;margin-left:0}
      .command-search{width:230px}
      .hero{padding-top:62px}
      .float-note{right:10px}
      .feature-wrap,.category-layout,.proof-wall{grid-template-columns:1fr}
      .timeline{grid-template-columns:repeat(2,1fr)}
      .plans{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-header{top:10px;padding:0 10px}
      .command-nav{min-height:66px;padding:10px 12px;border-radius:24px}
      .brand-text{font-size:13px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .menu-toggle{display:flex;margin-left:auto}
      .nav-actions{display:none}
      .nav-links{
        display:none;
        order:5;
        flex-direction:column;
        align-items:stretch;
        width:100%;
        padding-top:10px;
      }
      .command-nav.is-open .nav-links{display:flex}
      .command-nav.is-open .nav-actions{
        display:flex;
        order:4;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        margin-left:0;
        padding-top:10px;
      }
      .command-search{width:100%}
      .nav-actions .btn{width:100%}
      .hero{min-height:auto;padding:44px 0 44px}
      .hero-copy{padding-top:10px}
      .hero-search{flex-direction:column;align-items:stretch;border-radius:22px}
      .hero-search input{width:100%}
      .hero-search .btn{width:100%}
      .product-panel{margin-top:20px;border-radius:26px}
      .float-note{position:static;width:auto;margin-top:14px}
      .value-strip{border-radius:24px}
      .metric{margin-bottom:10px}
      .main-feature{padding:24px}
      .timeline,.data-wall,.plans,.faq-grid,.tag-matrix{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column;align-items:flex-start}
      .cta-card{padding:34px 24px;border-radius:28px}
    }
    @media (max-width:480px){
      :root{--section:62px}
      body{line-height:1.68}
      h1{font-size:36px}
      h2{font-size:28px}
      h3{font-size:20px}
      .lead{font-size:16px}
      .brand-mark{width:38px;height:38px;border-radius:14px;flex-basis:38px}
      .brand-mark:after{left:15px;top:11px}
      .btn{width:100%;min-height:48px;padding:0 18px}
      .hero-actions,.cta-actions{width:100%}
      .mini-badge{width:100%;justify-content:center}
      .panel-row{grid-template-columns:38px 1fr;align-items:start}
      .panel-row .status-pill{grid-column:2;margin-top:3px;justify-self:start}
      .feature-row{grid-template-columns:1fr;padding:20px}
      .feature-icon{width:50px;height:50px}
      .category-preview,.plan,.faq-item,.timeline-card{padding:20px}
      .footer-brand{align-items:flex-start}
    }

/* roulang page: category1 */
:root {
      --color-primary: #6D2E7C;
      --color-primary-2: #8A3FFC;
      --color-pink: #FF6B9A;
      --color-orange: #FFB15C;
      --color-ink: #1D1724;
      --color-muted: #6F6478;
      --color-bg: #FFF8F2;
      --color-lavender: #F6F0FF;
      --color-rose: #FFF1F5;
      --color-white: #FFFFFF;
      --color-border: rgba(109, 46, 124, 0.14);
      --color-border-strong: rgba(255, 107, 154, 0.36);
      --shadow-card: 0 18px 50px rgba(63, 31, 74, 0.10);
      --shadow-soft: 0 12px 34px rgba(63, 31, 74, 0.08);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-pill: 999px;
      --container: 1200px;
      --transition: 0.25s ease;
      --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      color: var(--color-ink);
      line-height: 1.75;
      background:
        radial-gradient(circle at 85% 4%, rgba(255, 107, 154, 0.22), transparent 34%),
        radial-gradient(circle at 8% 18%, rgba(255, 177, 92, 0.20), transparent 32%),
        linear-gradient(180deg, var(--color-bg) 0%, #FFFFFF 46%, var(--color-lavender) 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.32;
      background-image:
        linear-gradient(rgba(109, 46, 124, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(109, 46, 124, 0.045) 1px, transparent 1px);
      background-size: 34px 34px;
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button,
    input,
    select,
    textarea {
      font-family: inherit;
    }

    button,
    a {
      -webkit-tap-highlight-color: transparent;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(255, 107, 154, 0.35);
      outline-offset: 3px;
    }

    .grid-container {
      max-width: var(--container);
    }

    .site-header {
      position: sticky;
      top: 16px;
      z-index: 50;
      padding: 0 18px;
    }

    .command-nav {
      max-width: var(--container);
      min-height: 74px;
      margin: 0 auto;
      padding: 10px 12px 10px 16px;
      display: flex;
      align-items: center;
      gap: 16px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-pill);
      background: rgba(255, 248, 242, 0.91);
      box-shadow: 0 16px 42px rgba(63, 31, 74, 0.10);
      backdrop-filter: blur(16px);
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      min-width: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: inline-flex;
      position: relative;
      flex: 0 0 auto;
      background: linear-gradient(135deg, var(--color-primary-2), var(--color-pink) 58%, var(--color-orange));
      box-shadow: 0 12px 26px rgba(138, 63, 252, 0.24);
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 16px;
      top: 12px;
      border-left: 13px solid #fff;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      filter: drop-shadow(0 2px 4px rgba(63, 31, 74, 0.14));
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      max-width: 238px;
      font-size: 15px;
      line-height: 1.18;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: -0.02em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .brand-sub {
      margin-top: 3px;
      color: var(--color-muted);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      margin-left: auto;
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: var(--radius-pill);
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--color-primary);
      background: rgba(138, 63, 252, 0.08);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .command-search {
      min-width: 246px;
      height: 44px;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 0 10px 0 14px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 600;
      border: 1px solid rgba(109, 46, 124, 0.12);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.74);
    }

    .search-icon {
      font-size: 18px;
      color: var(--color-primary);
      line-height: 1;
    }

    .keycap {
      margin-left: auto;
      padding: 2px 8px;
      border-radius: 10px;
      color: var(--color-primary);
      background: var(--color-rose);
      border: 1px solid rgba(255, 107, 154, 0.18);
      font-size: 12px;
    }

    .menu-toggle {
      display: none;
      margin-left: auto;
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      color: var(--color-primary);
      background: #fff;
      font-size: 22px;
      cursor: pointer;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 20px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 800;
      line-height: 1;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-pink));
      box-shadow: 0 14px 26px rgba(109, 46, 124, 0.22);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 36px rgba(109, 46, 124, 0.30);
      background: linear-gradient(135deg, var(--color-primary-2), var(--color-pink) 70%);
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 255, 255, 0.86);
      border-color: var(--color-border);
    }

    .btn-secondary:hover {
      color: var(--color-primary);
      background: var(--color-lavender);
      border-color: rgba(255, 177, 92, 0.55);
      transform: translateY(-2px);
    }

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 64px 0;
    }

    .section-head {
      max-width: 760px;
      margin: 0 auto 34px;
      text-align: center;
    }

    .eyebrow,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      background: rgba(255, 241, 245, 0.86);
      border: 1px solid rgba(255, 107, 154, 0.18);
      font-size: 13px;
      font-weight: 800;
      line-height: 1.2;
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 22px;
      font-size: clamp(36px, 5.2vw, 62px);
      line-height: 1.08;
      letter-spacing: -0.045em;
      font-weight: 850;
      color: var(--color-ink);
    }

    h2 {
      margin-bottom: 14px;
      font-size: clamp(28px, 3.6vw, 42px);
      line-height: 1.16;
      letter-spacing: -0.035em;
      font-weight: 820;
    }

    h3 {
      margin-bottom: 10px;
      font-size: 22px;
      line-height: 1.28;
      font-weight: 760;
    }

    p {
      color: var(--color-muted);
      font-size: 16px;
    }

    .hero {
      padding: 92px 0 64px;
    }

    .hero-copy {
      padding: 34px 0;
    }

    .hero-copy .eyebrow {
      margin-bottom: 18px;
    }

    .hero-lead {
      max-width: 690px;
      margin-bottom: 26px;
      font-size: 18px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
    }

    .hero-badges,
    .filter-chips,
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .metric-badge {
      display: inline-flex;
      flex-direction: column;
      justify-content: center;
      min-width: 116px;
      padding: 12px 14px;
      border-radius: 18px;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.72);
      box-shadow: 0 10px 24px rgba(63, 31, 74, 0.06);
    }

    .metric-badge strong {
      color: var(--color-primary);
      font-size: 18px;
      line-height: 1.2;
    }

    .metric-badge span {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 650;
    }

    .hero-panel {
      position: relative;
      padding: 20px;
      border: 1px solid var(--color-border);
      border-radius: 34px;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,241,245,0.66)),
        radial-gradient(circle at 90% 8%, rgba(255, 177, 92, 0.28), transparent 34%);
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -70px;
      top: -80px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(138,63,252,0.24), rgba(255,107,154,0.18));
    }

    .panel-window {
      position: relative;
      border-radius: 26px;
      background: #fff;
      border: 1px solid rgba(109, 46, 124, 0.12);
      overflow: hidden;
    }

    .panel-top {
      height: 48px;
      padding: 0 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(109, 46, 124, 0.10);
      background: rgba(246, 240, 255, 0.72);
    }

    .dots {
      display: flex;
      gap: 7px;
    }

    .dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-pink);
    }

    .dots span:nth-child(2) { background: var(--color-orange); }
    .dots span:nth-child(3) { background: var(--color-primary-2); }

    .panel-status {
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(109, 46, 124, 0.10);
    }

    .visual-thumb {
      min-height: 234px;
      margin: 18px;
      border-radius: 24px;
      position: relative;
      overflow: hidden;
      background:
        radial-gradient(circle at 22% 26%, rgba(255,255,255,0.48), transparent 16%),
        linear-gradient(135deg, var(--color-primary-2), var(--color-pink) 55%, var(--color-orange));
    }

    .visual-thumb::after {
      content: "▶";
      position: absolute;
      left: 50%;
      top: 50%;
      width: 72px;
      height: 72px;
      transform: translate(-50%, -50%);
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 34px;
      border-radius: 50%;
      background: rgba(29, 23, 36, 0.24);
      border: 1px solid rgba(255,255,255,0.38);
    }

    .panel-content {
      padding: 0 18px 20px;
    }

    .panel-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 13px 0;
      border-bottom: 1px solid rgba(109, 46, 124, 0.08);
    }

    .panel-row:last-child {
      border-bottom: 0;
    }

    .row-dot {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: linear-gradient(135deg, rgba(138,63,252,0.18), rgba(255,107,154,0.16));
      flex: 0 0 auto;
    }

    .row-line {
      height: 10px;
      border-radius: var(--radius-pill);
      background: rgba(109, 46, 124, 0.12);
      flex: 1;
    }

    .row-line.short {
      max-width: 34%;
      background: rgba(255, 177, 92, 0.38);
    }

    .floating-note {
      position: absolute;
      right: 8px;
      bottom: 30px;
      width: 190px;
      padding: 14px;
      border-radius: 20px;
      background: rgba(29, 23, 36, 0.88);
      color: rgba(255,255,255,0.82);
      box-shadow: 0 18px 36px rgba(29, 23, 36, 0.18);
    }

    .floating-note strong {
      display: block;
      margin-bottom: 4px;
      color: #fff;
      font-size: 14px;
    }

    .floating-note span {
      font-size: 12px;
      line-height: 1.55;
    }

    .filter-bar {
      margin-top: -18px;
      padding: 18px;
      border-radius: 26px;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: var(--shadow-soft);
    }

    .filter-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 14px;
      align-items: center;
    }

    .filter-control {
      min-height: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 0 16px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(109, 46, 124, 0.12);
      background: #fff;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
    }

    .chip,
    .tag {
      display: inline-flex;
      align-items: center;
      padding: 7px 12px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      background: #fff;
      border: 1px solid var(--color-border);
      font-size: 13px;
      font-weight: 750;
    }

    .chip.active,
    .tag:hover {
      color: #fff;
      border-color: transparent;
      background: linear-gradient(135deg, var(--color-primary), var(--color-pink));
    }

    .layout-main {
      align-items: flex-start;
    }

    .card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, 0.86);
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card);
      border-color: var(--color-border-strong);
    }

    .featured-card {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 24px;
      padding: 22px;
      margin-bottom: 20px;
    }

    .abstract-cover {
      min-height: 214px;
      border-radius: 24px;
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(138,63,252,0.95), rgba(255,107,154,0.88) 58%, rgba(255,177,92,0.92)),
        repeating-linear-gradient(45deg, rgba(255,255,255,0.14) 0 6px, transparent 6px 12px);
    }

    .abstract-cover::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255,255,255,0.35);
      border-radius: 20px;
    }

    .abstract-cover::after {
      content: "精选";
      position: absolute;
      left: 18px;
      bottom: 18px;
      padding: 8px 13px;
      border-radius: var(--radius-pill);
      color: #fff;
      background: rgba(29, 23, 36, 0.26);
      border: 1px solid rgba(255,255,255,0.30);
      font-size: 13px;
      font-weight: 800;
    }

    .card-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin: 14px 0 16px;
    }

    .resource-list {
      display: grid;
      gap: 14px;
    }

    .resource-row {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255,255,255,0.78);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .resource-row:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-soft);
      border-color: var(--color-border-strong);
    }

    .mini-cover {
      width: 92px;
      height: 74px;
      border-radius: 18px;
      background:
        radial-gradient(circle at 74% 18%, rgba(255,255,255,0.45), transparent 24%),
        linear-gradient(135deg, rgba(109,46,124,0.92), rgba(255,107,154,0.78));
      position: relative;
      overflow: hidden;
    }

    .mini-cover::after {
      content: "";
      position: absolute;
      left: 36px;
      top: 25px;
      border-left: 17px solid rgba(255,255,255,0.9);
      border-top: 11px solid transparent;
      border-bottom: 11px solid transparent;
    }

    .resource-row h3 {
      margin-bottom: 4px;
      font-size: 18px;
    }

    .resource-row p {
      margin-bottom: 8px;
      font-size: 14px;
      line-height: 1.55;
    }

    .resource-action {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 10px;
    }

    .status {
      padding: 5px 10px;
      border-radius: var(--radius-pill);
      color: var(--color-primary);
      background: var(--color-rose);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 110px;
    }

    .side-card {
      padding: 22px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--color-border);
      background: rgba(255,255,255,0.82);
      box-shadow: var(--shadow-soft);
    }

    .side-card h3 {
      font-size: 20px;
    }

    .notice-list,
    .guide-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .notice-list li,
    .guide-list li {
      position: relative;
      padding-left: 24px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .notice-list li::before,
    .guide-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary-2), var(--color-pink));
    }

    .guide-section {
      background: linear-gradient(180deg, rgba(246,240,255,0.72), rgba(255,241,245,0.62));
    }

    .guide-card {
      height: 100%;
      padding: 28px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.78);
      box-shadow: var(--shadow-soft);
    }

    .guide-num {
      width: 44px;
      height: 44px;
      margin-bottom: 18px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      font-weight: 850;
      background: linear-gradient(135deg, var(--color-primary), var(--color-pink));
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .faq-item {
      padding: 24px;
      border-radius: var(--radius-xl);
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, 0.82);
      box-shadow: var(--shadow-soft);
    }

    .faq-item h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .faq-item p {
      margin-bottom: 0;
      font-size: 15px;
    }

    .cta-box {
      padding: 44px;
      border-radius: 34px;
      color: #fff;
      overflow: hidden;
      position: relative;
      background:
        radial-gradient(circle at 80% 12%, rgba(255, 177, 92, 0.55), transparent 26%),
        linear-gradient(135deg, var(--color-primary), var(--color-primary-2) 45%, var(--color-pink));
      box-shadow: 0 24px 60px rgba(109, 46, 124, 0.20);
    }

    .cta-box::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -100px;
      bottom: -130px;
      border-radius: 50%;
      border: 38px solid rgba(255,255,255,0.12);
    }

    .cta-box h2,
    .cta-box p {
      color: #fff;
      position: relative;
      z-index: 1;
    }

    .cta-box p {
      max-width: 720px;
      color: rgba(255,255,255,0.82);
    }

    .cta-actions {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .cta-box .btn-secondary {
      background: rgba(255,255,255,0.92);
      border-color: rgba(255,255,255,0.34);
    }

    .site-footer {
      padding: 64px 0 28px;
      background: var(--color-ink);
      color: rgba(255,255,255,0.72);
    }

    .footer-top {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) 0.8fr 0.8fr;
      gap: 40px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }

    .site-footer .brand-text {
      color: #fff;
    }

    .site-footer .brand-sub {
      color: rgba(255,255,255,0.60);
    }

    .site-footer p {
      max-width: 520px;
      margin-top: 18px;
      color: rgba(255,255,255,0.70);
    }

    .footer-col h3 {
      margin-bottom: 14px;
      color: #fff;
      font-size: 16px;
    }

    .footer-links {
      margin: 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: rgba(255,255,255,0.70);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--color-orange);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 22px;
      color: rgba(255,255,255,0.58);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .command-nav {
        flex-wrap: wrap;
        border-radius: 28px;
      }

      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav-links,
      .nav-actions {
        display: none;
        width: 100%;
      }

      .command-nav.is-open .nav-links,
      .command-nav.is-open .nav-actions {
        display: flex;
      }

      .nav-links {
        order: 3;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
        padding-top: 8px;
      }

      .nav-actions {
        order: 4;
        flex-wrap: wrap;
        padding-bottom: 6px;
      }

      .command-search {
        flex: 1 1 100%;
        min-width: 0;
      }

      .hero {
        padding-top: 68px;
      }

      .featured-card {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        margin-top: 22px;
      }

      .filter-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        top: 10px;
        padding: 0 10px;
      }

      .command-nav {
        min-height: 66px;
        padding: 10px;
      }

      .brand-text {
        max-width: 190px;
        font-size: 14px;
      }

      .section {
        padding: 66px 0;
      }

      .section-tight {
        padding: 48px 0;
      }

      .hero-copy {
        padding: 12px 0 26px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .hero-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }

      .metric-badge {
        min-width: calc(50% - 5px);
      }

      .floating-note {
        position: relative;
        right: auto;
        bottom: auto;
        width: auto;
        margin: 14px 18px 18px;
      }

      .resource-row {
        grid-template-columns: 78px 1fr;
      }

      .mini-cover {
        width: 78px;
        height: 66px;
      }

      .resource-action {
        grid-column: 1 / -1;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }

      .faq-grid,
      .footer-top {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }

      .cta-box {
        padding: 30px 22px;
      }
    }

    @media (max-width: 480px) {
      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 28px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-mark::after {
        left: 15px;
        top: 11px;
        border-left-width: 12px;
        border-top-width: 7px;
        border-bottom-width: 7px;
      }

      .brand-text {
        max-width: 158px;
      }

      .brand-sub {
        display: none;
      }

      .hero-panel {
        padding: 12px;
        border-radius: 26px;
      }

      .visual-thumb {
        min-height: 190px;
        margin: 12px;
      }

      .filter-bar {
        padding: 14px;
      }

      .featured-card,
      .side-card,
      .guide-card,
      .faq-item {
        padding: 20px;
        border-radius: 22px;
      }

      .abstract-cover {
        min-height: 178px;
      }

      .chip,
      .tag {
        font-size: 12px;
      }
    }