/* roulang page: index */
:root{
      --bg:#121014;
      --bg-soft:#1b171d;
      --panel:#211c23;
      --panel-2:#282129;
      --text:#f5eef2;
      --muted:#b8aeb6;
      --dim:#817781;
      --line:rgba(255,255,255,.11);
      --primary:#c75b75;
      --primary-dark:#9e3e59;
      --accent:#d7a579;
      --cream:#fff4ed;
      --ink:#261c20;
      --radius:9px;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border .2s ease,transform .2s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 48px),var(--max));margin:0 auto}
    .topline{height:3px;background:linear-gradient(90deg,var(--primary-dark),var(--accent),var(--primary))}
    .site-header{height:76px;background:rgba(18,16,20,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:10px;white-space:nowrap;font-weight:800;letter-spacing:0;font-size:18px}
    .brand-mark{width:27px;height:27px;border:1px solid var(--accent);border-radius:7px;display:grid;place-items:center;color:var(--accent);font-size:13px}
    .nav-links{display:flex;align-items:center;gap:5px;margin-right:auto}
    .nav-links a{padding:9px 13px;border-radius:6px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(199,91,117,.14)}
    .nav-links a.active{box-shadow:inset 0 -2px var(--primary)}
    .nav-right{display:flex;align-items:center;gap:10px}
    .search{display:flex;align-items:center;border:1px solid var(--line);border-radius:6px;background:var(--bg-soft);height:38px;width:190px}
    .search span{padding-left:12px;color:var(--dim)}
    .search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);padding:0 10px;font-size:13px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:6px;border:1px solid transparent;font-weight:700;font-size:14px;transition:all .2s ease}
    .btn:focus,.search:focus-within,input:focus{outline:2px solid rgba(215,165,121,.65);outline-offset:2px}
    .btn-primary{background:var(--primary);color:#fff}
    .btn-primary:hover{background:#d66a83;transform:translateY(-2px);box-shadow:0 8px 20px rgba(199,91,117,.24)}
    .btn-ghost{border-color:var(--line);color:var(--muted);background:transparent}
    .btn-ghost:hover{border-color:var(--accent);color:var(--cream);background:rgba(215,165,121,.08)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:6px;padding:6px 10px}
    .hero{background:var(--cream);color:var(--ink);border-bottom:1px solid #e1cdc1}
    .hero-band{min-height:390px;display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;padding:58px 0 48px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:1.5px;color:var(--primary-dark);font-weight:800;text-transform:uppercase}
    .hero h1{font-size:clamp(35px,5vw,64px);line-height:1.14;margin:14px 0 18px;letter-spacing:0;font-weight:850}
    .hero-copy{max-width:680px;color:#5f5054;font-size:17px;line-height:1.9;margin:0 0 24px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:25px}
    .hero .btn-primary{background:var(--primary-dark)}
    .hero-meta{display:flex;gap:24px;flex-wrap:wrap;color:#77676a;font-size:13px}
    .hero-meta strong{display:block;color:var(--ink);font-size:19px;line-height:1.2}
    .index-board{background:#1b171b;color:var(--text);border-radius:10px;padding:21px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.12)}
    .board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:3px}
    .board-head strong{font-size:15px}
    .status{color:var(--accent);font-size:12px}
    .board-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0}
    .num{color:var(--accent);font-weight:800;width:22px}
    .board-row p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
    .board-row b{display:block;color:var(--text);font-size:14px;font-weight:700}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .section h2{font-size:clamp(25px,3vw,38px);line-height:1.25;margin:7px 0 0;letter-spacing:0}
    .section-intro{max-width:520px;color:var(--muted);margin:0}
    .dark-alt{background:var(--bg-soft)}
    .issue-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px;align-items:start}
    .issue-note{border-left:3px solid var(--primary);padding:4px 0 4px 20px;color:#d5c8cf;font-size:18px;line-height:1.8}
    .issue-list{border-top:1px solid var(--line)}
    .issue-item{display:grid;grid-template-columns:58px 1fr auto;gap:15px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .issue-item .index{color:var(--accent);font-size:20px;font-weight:800}
    .issue-item h3{font-size:16px;margin:0 0 3px}
    .issue-item p{margin:0;color:var(--muted);font-size:13px}
    .tag{display:inline-flex;align-items:center;padding:3px 9px;border:1px solid rgba(215,165,121,.35);border-radius:20px;color:var(--accent);font-size:11px;white-space:nowrap}
    .solution-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
    .solution-card{padding:25px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);min-height:215px;transition:transform .2s,border .2s,background .2s}
    .solution-card:hover{transform:translateY(-4px);border-color:rgba(215,165,121,.5);background:var(--panel-2)}
    .card-no{color:var(--primary);font-weight:800;font-size:13px}
    .solution-card h3{font-size:19px;margin:25px 0 9px}
    .solution-card p{color:var(--muted);font-size:14px;margin:0}
    .filter-strip{display:flex;gap:8px;flex-wrap:wrap;padding:16px 0 24px;border-bottom:1px solid var(--line)}
    .filter-strip a{padding:7px 13px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:13px}
    .filter-strip a:hover,.filter-strip a.selected{border-color:var(--primary);color:var(--text);background:rgba(199,91,117,.13)}
    .result-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:20px}
    .result-item{display:flex;justify-content:space-between;gap:20px;padding:19px;background:#171318;border:1px solid var(--line);border-radius:8px}
    .result-item h3{font-size:16px;margin:0 0 5px}
    .result-item p{font-size:13px;color:var(--muted);margin:0}
    .result-mark{color:var(--accent);font-weight:800;white-space:nowrap}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px}
    .quote{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:24px}
    .quote p{font-size:15px;color:#ddd1d8;margin:0 0 19px;line-height:1.8}
    .quote cite{font-style:normal;color:var(--accent);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:35px}
    .news-list{border-top:1px solid var(--line)}
    .news-link{display:flex;justify-content:space-between;gap:18px;padding:17px 0;border-bottom:1px solid var(--line);color:#e5dce1}
    .news-link:hover{color:var(--accent);padding-left:5px}
    .news-link small{color:var(--dim);white-space:nowrap}
    .notice-box{background:var(--cream);color:var(--ink);border-radius:8px;padding:25px}
    .notice-box h3{margin:0 0 10px;font-size:19px}
    .notice-box p{margin:0;color:#66575a;font-size:14px}
    .faq{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{cursor:pointer;font-weight:700;color:#eee1e7;list-style:none;display:flex;justify-content:space-between}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--accent);font-size:20px;line-height:1}
    details[open] summary:after{content:"－"}
    details p{color:var(--muted);margin:12px 30px 0 0;font-size:14px}
    .cta{background:#291c25;border-top:1px solid rgba(215,165,121,.18);border-bottom:1px solid rgba(215,165,121,.18)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:55px 0}
    .cta h2{margin:0 0 8px;font-size:30px}
    .cta p{color:var(--muted);margin:0;max-width:680px}
    .site-footer{background:#0d0b0f;padding:48px 0 25px;color:var(--muted)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:35px}
    .footer-brand{color:var(--text);font-size:19px;font-weight:800;margin-bottom:12px}
    .footer-grid h3{font-size:13px;color:var(--text);margin:0 0 13px}
    .footer-grid a{display:block;color:var(--dim);font-size:13px;margin:7px 0}
    .footer-grid a:hover{color:var(--accent)}
    .footer-grid p{font-size:13px;line-height:1.8;margin:0;color:var(--dim)}
    .copyright{border-top:1px solid var(--line);padding-top:20px;font-size:12px;color:var(--dim);display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .age-mask{position:fixed;inset:0;background:rgba(8,6,9,.78);z-index:50;display:grid;place-items:center;padding:20px}
    .age-dialog{background:var(--cream);color:var(--ink);max-width:450px;border-radius:10px;padding:32px;box-shadow:0 25px 80px rgba(0,0,0,.55)}
    .age-dialog h2{margin:0 0 12px;font-size:25px}
    .age-dialog p{color:#625357;font-size:14px;margin:0 0 22px}
    .age-actions{display:flex;gap:10px}
    .age-dialog .btn-ghost{border-color:#cbb7b0;color:#604f53}
    .is-hidden{display:none!important}
    @media(max-width:1024px){
      .container{width:min(calc(100% - 34px),var(--max))}
      .nav-wrap{gap:15px}.search{width:150px}
      .hero-band{gap:28px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:768px){
      .site-header{height:auto;min-height:68px}.nav-wrap{min-height:68px;flex-wrap:wrap;padding:10px 0}
      .menu-toggle{display:block;margin-left:auto}.nav-right{order:3;width:100%;display:none;padding-bottom:5px}
      .nav-right.open{display:flex}.nav-links{display:none;width:100%;order:4;overflow:auto;padding-bottom:6px}
      .nav-links.open{display:flex}.nav-links a{white-space:nowrap}
      .search{flex:1;width:auto}.hero-band{grid-template-columns:1fr;padding:42px 0 35px;min-height:0}
      .hero h1{font-size:40px}.hero-copy{font-size:15px}
      .section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}
      .issue-layout,.news-layout{grid-template-columns:1fr;gap:25px}
      .solution-grid,.quote-grid{grid-template-columns:1fr 1fr}.result-grid{grid-template-columns:1fr}
      .cta-inner{display:block}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}.brand{font-size:15px}.brand-mark{width:24px;height:24px}
      .hero h1{font-size:34px}.hero-actions .btn{width:100%}.hero-meta{gap:15px}
      .solution-grid,.quote-grid{grid-template-columns:1fr}.issue-item{grid-template-columns:38px 1fr;gap:10px}.issue-item .tag{grid-column:2;width:max-content}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}
      .age-actions{flex-direction:column}.age-actions .btn{width:100%}
    }

/* roulang page: category2 */
:root {
      --bg: #100d12;
      --bg-2: #171219;
      --panel: #211923;
      --panel-2: #2a202c;
      --ink: #f7f1f4;
      --muted: #b9adb6;
      --soft: #887985;
      --line: rgba(255, 255, 255, .11);
      --line-strong: rgba(255, 255, 255, .19);
      --primary: #d85b7d;
      --primary-2: #ff8aa5;
      --accent: #c6a46c;
      --ok: #66c7a1;
      --warn: #e3b35e;
      --danger: #ef6f6c;
      --radius: 8px;
      --radius-lg: 10px;
      --shadow: 0 18px 42px rgba(0, 0, 0, .34);
      --shadow-soft: 0 12px 26px rgba(0, 0, 0, .22);
      --container: 1240px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        linear-gradient(180deg, rgba(216, 91, 125, .08), transparent 340px),
        linear-gradient(180deg, var(--bg), #0c0a0d 72%);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.72;
      letter-spacing: 0;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(216, 91, 125, .45);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(16, 13, 18, .94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: saturate(130%) blur(10px);
    }

    .nav-wrap {
      min-height: 74px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      white-space: nowrap;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      color: #201016;
      background: linear-gradient(135deg, var(--primary-2), var(--accent));
      box-shadow: 0 8px 20px rgba(216, 91, 125, .25);
      font-weight: 900;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .nav-links a {
      color: var(--muted);
      padding: 9px 13px;
      border-radius: 999px;
      font-size: 14px;
      border: 1px solid transparent;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--ink);
      background: rgba(216, 91, 125, .14);
      border-color: rgba(216, 91, 125, .34);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 360px;
      justify-content: flex-end;
    }

    .search-mini {
      position: relative;
      width: 210px;
    }

    .search-mini input {
      width: 100%;
      height: 40px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .05);
      color: var(--ink);
      padding: 0 14px 0 38px;
    }

    .search-mini span {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--soft);
      font-size: 14px;
    }

    .search-mini input::placeholder,
    textarea::placeholder {
      color: #8d818a;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: 999px;
      border: 1px solid var(--line-strong);
      color: var(--ink);
      background: rgba(255, 255, 255, .06);
      font-weight: 700;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
      border-color: rgba(255, 255, 255, .28);
      box-shadow: var(--shadow-soft);
      color: var(--ink);
    }

    .btn.primary {
      background: linear-gradient(135deg, var(--primary), #b94167);
      border-color: rgba(255, 255, 255, .1);
      color: #fff;
    }

    .btn.primary:hover {
      background: linear-gradient(135deg, var(--primary-2), var(--primary));
    }

    .btn.ghost {
      background: transparent;
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .05);
      color: var(--ink);
    }

    .crumbs {
      padding: 22px 0 0;
      color: var(--soft);
      font-size: 14px;
    }

    .crumbs a {
      color: var(--muted);
    }

    .crumbs a:hover {
      color: var(--primary-2);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 72px 0;
    }

    .section.compact {
      padding: 50px 0;
    }

    .hero-category {
      padding: 38px 0 62px;
      border-bottom: 1px solid var(--line);
    }

    .hero-band {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 34px 0 18px;
    }

    .kicker {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      color: var(--primary-2);
      font-size: 14px;
      font-weight: 800;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(216, 91, 125, .12);
      border: 1px solid rgba(216, 91, 125, .28);
      margin-bottom: 16px;
    }

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

    h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: 0;
      margin-bottom: 18px;
    }

    h2 {
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.22;
      margin-bottom: 12px;
      letter-spacing: 0;
    }

    h3 {
      font-size: 19px;
      line-height: 1.35;
      margin-bottom: 9px;
      letter-spacing: 0;
    }

    .lead {
      color: var(--muted);
      font-size: 17px;
      max-width: 760px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .hero-panel {
      background: linear-gradient(180deg, rgba(255, 255, 255, .065), rgba(255, 255, 255, .028));
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 18px;
      overflow: hidden;
    }

    .visual-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .visual-title {
      font-weight: 800;
      color: var(--ink);
    }

    .status-pill,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 9px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 800;
      color: var(--ink);
      background: rgba(255, 255, 255, .07);
      border: 1px solid var(--line);
      white-space: nowrap;
    }

    .status-pill.ok {
      color: #dff8ef;
      background: rgba(102, 199, 161, .14);
      border-color: rgba(102, 199, 161, .28);
    }

    .demo-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .demo-tile {
      min-height: 134px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(216, 91, 125, .18), rgba(198, 164, 108, .09)),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 12px);
      padding: 14px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .demo-tile:hover {
      transform: scale(1.025);
      border-color: rgba(216, 91, 125, .45);
      background:
        linear-gradient(135deg, rgba(216, 91, 125, .24), rgba(198, 164, 108, .13)),
        repeating-linear-gradient(135deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 12px);
    }

    .demo-tile strong {
      font-size: 17px;
    }

    .demo-tile span {
      color: var(--muted);
      font-size: 13px;
    }

    .wide-note {
      margin-top: 12px;
      padding: 13px 14px;
      border-radius: var(--radius);
      background: rgba(0, 0, 0, .18);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .78fr) minmax(260px, .22fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-head p {
      color: var(--muted);
      margin-bottom: 0;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      justify-content: flex-end;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .tag.active {
      color: var(--ink);
      border-color: rgba(216, 91, 125, .38);
      background: rgba(216, 91, 125, .13);
    }

    .topic-nav {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }

    .topic-card {
      min-height: 122px;
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      position: relative;
      overflow: hidden;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .topic-card:hover {
      transform: translateY(-3px) scale(1.01);
      border-color: rgba(216, 91, 125, .42);
      box-shadow: var(--shadow-soft);
    }

    .topic-card small {
      color: var(--primary-2);
      font-weight: 800;
    }

    .topic-card p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 0;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(310px, .55fr);
      gap: 22px;
      align-items: start;
    }

    .compare-table {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: rgba(255, 255, 255, .035);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 170px 1fr 1fr;
      min-height: 74px;
      border-bottom: 1px solid var(--line);
    }

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

    .compare-cell {
      padding: 15px;
      color: var(--muted);
      border-right: 1px solid var(--line);
    }

    .compare-cell:last-child {
      border-right: 0;
    }

    .compare-head .compare-cell {
      color: var(--ink);
      font-weight: 900;
      background: rgba(216, 91, 125, .12);
    }

    .side-panel {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: var(--panel);
      padding: 18px;
    }

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

    .check-list li {
      display: grid;
      grid-template-columns: 24px 1fr;
      gap: 10px;
      color: var(--muted);
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }

    .check-list li:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .check-list b {
      color: var(--ink);
    }

    .dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(216, 91, 125, .16);
      border: 1px solid rgba(216, 91, 125, .4);
      display: inline-grid;
      place-items: center;
      color: var(--primary-2);
      font-size: 12px;
      margin-top: 2px;
    }

    .track {
      display: flex;
      gap: 14px;
      overflow-x: auto;
      padding: 4px 2px 16px;
      scrollbar-width: none;
      scroll-snap-type: x proximity;
    }

    .track::-webkit-scrollbar {
      display: none;
    }

    .rail-card {
      flex: 0 0 286px;
      scroll-snap-align: start;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--line);
      background: var(--panel);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .rail-card:hover {
      transform: translateY(-4px) scale(1.018);
      border-color: rgba(216, 91, 125, .45);
      box-shadow: var(--shadow-soft);
    }

    .rail-media {
      aspect-ratio: 16 / 9;
      background:
        linear-gradient(140deg, rgba(216, 91, 125, .28), rgba(198, 164, 108, .15)),
        radial-gradient(circle at 25% 30%, rgba(255, 255, 255, .14), transparent 28%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .04) 0 2px, transparent 2px 16px);
      position: relative;
      overflow: hidden;
    }

    .rail-media::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 55%;
      background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .58));
    }

    .rail-body {
      padding: 15px;
    }

    .rail-body p {
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 12px;
    }

    .rail-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--soft);
      font-size: 13px;
      gap: 12px;
    }

    .group-grid {
      display: grid;
      grid-template-columns: minmax(260px, .78fr) minmax(0, 1.22fr);
      gap: 22px;
      align-items: start;
    }

    .group-tabs {
      display: grid;
      gap: 10px;
      position: sticky;
      top: 98px;
    }

    .group-tab {
      padding: 14px 15px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
      color: var(--muted);
    }

    .group-tab strong {
      display: block;
      color: var(--ink);
      margin-bottom: 2px;
    }

    .group-tab.active {
      border-color: rgba(216, 91, 125, .42);
      background: rgba(216, 91, 125, .12);
    }

    .entry-list {
      display: grid;
      gap: 12px;
    }

    .entry {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 15px;
      align-items: center;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      padding: 12px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .entry:hover {
      transform: translateX(3px);
      border-color: rgba(216, 91, 125, .4);
      background: var(--panel-2);
    }

    .entry-thumb {
      width: 112px;
      aspect-ratio: 4 / 3;
      border-radius: 6px;
      background:
        linear-gradient(135deg, rgba(216, 91, 125, .22), rgba(255, 255, 255, .05)),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 10px);
      border: 1px solid var(--line);
    }

    .entry p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .entry-action {
      white-space: nowrap;
      color: var(--primary-2);
      font-weight: 800;
      padding: 8px 10px;
      border-radius: 999px;
      border: 1px solid rgba(216, 91, 125, .25);
    }

    .entry-action:hover {
      background: rgba(216, 91, 125, .14);
      color: #fff;
    }

    .form-band {
      display: grid;
      grid-template-columns: minmax(0, .85fr) minmax(320px, .65fr);
      gap: 24px;
      align-items: start;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(255, 255, 255, .025);
      padding: 34px;
      border-radius: var(--radius-lg);
    }

    .feedback-form {
      display: grid;
      gap: 12px;
    }

    .feedback-form label {
      color: var(--muted);
      font-weight: 700;
      font-size: 14px;
    }

    .feedback-form input,
    .feedback-form textarea,
    .feedback-form select {
      width: 100%;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .06);
      color: var(--ink);
      padding: 12px 13px;
      min-height: 46px;
      box-shadow: none;
      margin: 0;
    }

    .feedback-form textarea {
      min-height: 118px;
      resize: vertical;
    }

    .feedback-form input:focus,
    .feedback-form textarea:focus,
    .feedback-form select:focus {
      border-color: rgba(216, 91, 125, .62);
      background: rgba(255, 255, 255, .08);
      box-shadow: 0 0 0 3px rgba(216, 91, 125, .13);
    }

    .hint {
      color: var(--soft);
      font-size: 13px;
      margin-bottom: 0;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: minmax(260px, .42fr) minmax(0, .58fr);
      gap: 24px;
    }

    .accordion {
      background: transparent;
      border: 0;
    }

    .accordion-item {
      background: transparent;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      margin-bottom: 10px;
      overflow: hidden;
    }

    .accordion-title {
      color: var(--ink);
      background: rgba(255, 255, 255, .045);
      border: 0;
      padding: 17px 18px;
      font-weight: 800;
      font-size: 16px;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(216, 91, 125, .12);
      color: var(--ink);
    }

    .accordion-title::before {
      color: var(--primary-2);
    }

    .accordion-content {
      background: var(--panel);
      color: var(--muted);
      border: 0;
      padding: 17px 18px;
    }

    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .cta-band {
      background:
        linear-gradient(135deg, rgba(216, 91, 125, .18), rgba(198, 164, 108, .09)),
        var(--panel);
      border: 1px solid var(--line-strong);
      border-radius: var(--radius-lg);
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-band p {
      color: var(--muted);
      margin-bottom: 0;
      max-width: 760px;
    }

    .site-footer {
      background: #0a080b;
      border-top: 1px solid var(--line);
      padding: 52px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr .75fr .75fr;
      gap: 28px;
      margin-bottom: 28px;
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 10px;
      color: var(--ink);
    }

    .site-footer p,
    .site-footer a {
      color: var(--muted);
      font-size: 14px;
    }

    .site-footer h3 {
      font-size: 15px;
      margin-bottom: 10px;
      color: var(--ink);
    }

    .site-footer a {
      display: block;
      margin: 7px 0;
    }

    .site-footer a:hover {
      color: var(--primary-2);
    }

    .copyright {
      border-top: 1px solid var(--line);
      padding-top: 18px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--soft);
      font-size: 13px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .nav-wrap {
        grid-template-columns: auto auto;
      }

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

      .nav-links {
        grid-column: 1 / -1;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 12px;
        display: none;
      }

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

      .nav-actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
        min-width: 0;
        display: none;
        padding-bottom: 14px;
      }

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

      .hero-band,
      .compare-wrap,
      .form-band,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .topic-nav {
        grid-template-columns: 1fr 1fr;
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .tag-row {
        justify-content: flex-start;
      }

      .group-tabs {
        position: static;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 54px 0;
      }

      .hero-category {
        padding: 24px 0 44px;
      }

      .hero-copy {
        padding-top: 16px;
      }

      .demo-grid,
      .topic-nav,
      .group-grid {
        grid-template-columns: 1fr;
      }

      .compare-row {
        grid-template-columns: 1fr;
      }

      .compare-cell {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .compare-cell:last-child {
        border-bottom: 0;
      }

      .entry {
        grid-template-columns: 86px 1fr;
      }

      .entry-thumb {
        width: 86px;
      }

      .entry-action {
        grid-column: 1 / -1;
        text-align: center;
      }

      .cta-band {
        grid-template-columns: 1fr;
        padding: 24px;
      }

      .form-band {
        padding: 22px;
      }

      .search-mini {
        width: min(100%, 260px);
      }
    }

    @media (max-width: 520px) {
      .brand {
        max-width: calc(100vw - 96px);
        white-space: normal;
        line-height: 1.25;
      }

      .nav-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .search-mini {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .hero-actions {
        flex-direction: column;
      }

      .rail-card {
        flex-basis: 248px;
      }

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

      .copyright {
        display: grid;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #111013;
      --bg-soft: #18151b;
      --panel: #211b23;
      --panel-2: #2a222a;
      --ink: #f7f1f3;
      --muted: #c4b8bd;
      --weak: #8f838a;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(255,255,255,.2);
      --primary: #c94865;
      --primary-2: #e26b7f;
      --accent: #b7a06a;
      --good: #65c99b;
      --warn: #e1b25e;
      --danger: #e26b6b;
      --shadow: 0 18px 46px rgba(0,0,0,.32);
      --shadow-soft: 0 10px 28px rgba(0,0,0,.22);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1240px;
      --focus: 0 0 0 3px rgba(201,72,101,.32);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--ink);
      background:
        linear-gradient(180deg, rgba(201,72,101,.08), transparent 360px),
        radial-gradient(circle at 20% 0%, rgba(183,160,106,.08), transparent 320px),
        var(--bg);
      line-height: 1.75;
      letter-spacing: 0;
    }
    a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
    img { display: block; max-width: 100%; height: auto; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    :focus-visible { outline: none; box-shadow: var(--focus); }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(17,16,19,.94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: saturate(130%) blur(10px);
    }
    .nav-shell {
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 22px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 800;
      color: var(--ink);
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), #7f2e48);
      color: #fff;
      box-shadow: 0 10px 24px rgba(201,72,101,.28);
    }
    .brand-text { font-size: 17px; line-height: 1.2; }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      margin-left: auto;
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius-sm);
      color: var(--ink);
    }
    .nav-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      margin: 4px auto;
      background: currentColor;
      border-radius: 2px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      min-width: 0;
    }
    .nav-links a {
      padding: 10px 13px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--ink);
      background: rgba(255,255,255,.06);
    }
    .nav-links a.active {
      color: #fff;
      background: rgba(201,72,101,.18);
      border: 1px solid rgba(201,72,101,.34);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 360px;
      justify-content: flex-end;
    }
    .nav-search {
      position: relative;
      flex: 1;
      max-width: 250px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      border: 1px solid var(--line);
      background: #151317;
      color: var(--ink);
      border-radius: var(--radius-sm);
      padding: 0 12px 0 34px;
      font-size: 14px;
    }
    .nav-search input::placeholder { color: var(--weak); }
    .nav-search:before {
      content: "⌕";
      position: absolute;
      left: 12px;
      top: 6px;
      color: var(--weak);
      font-size: 20px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 42px;
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 700;
      line-height: 1.2;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 12px 28px rgba(201,72,101,.26);
    }
    .btn-primary:hover {
      background: var(--primary-2);
      color: #fff;
      box-shadow: 0 16px 34px rgba(201,72,101,.32);
    }
    .btn-ghost {
      border-color: var(--line);
      color: var(--ink);
      background: rgba(255,255,255,.04);
    }
    .btn-ghost:hover {
      border-color: rgba(255,255,255,.28);
      background: rgba(255,255,255,.08);
      color: #fff;
    }
    .btn-small {
      min-height: 36px;
      padding: 8px 12px;
      font-size: 13px;
    }

    main { overflow: hidden; }
    .section { padding: 70px 0; }
    .section-tight { padding: 52px 0; }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent);
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 12px;
    }
    .section-title {
      margin: 0 0 14px;
      font-size: clamp(26px, 3vw, 40px);
      line-height: 1.25;
      color: var(--ink);
      letter-spacing: 0;
    }
    .section-desc {
      max-width: 760px;
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .hero {
      padding: 34px 0 44px;
      background:
        linear-gradient(90deg, rgba(33,27,35,.94), rgba(24,21,27,.78)),
        linear-gradient(135deg, rgba(201,72,101,.12), rgba(183,160,106,.08));
      border-bottom: 1px solid var(--line);
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      color: var(--weak);
      font-size: 13px;
      margin: 0 0 24px;
    }
    .breadcrumb a:hover { color: var(--ink); }
    .breadcrumb .current { color: var(--accent); }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, .72fr);
      gap: 34px;
      align-items: stretch;
    }
    .hero h1 {
      margin: 0 0 16px;
      font-size: clamp(34px, 4.6vw, 60px);
      line-height: 1.12;
      letter-spacing: 0;
      color: #fff;
    }
    .hero-lead {
      max-width: 760px;
      margin: 0 0 22px;
      color: var(--muted);
      font-size: 18px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 24px 0 26px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }
    .tag, .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.05);
      color: var(--muted);
      padding: 6px 10px;
      font-size: 13px;
      line-height: 1.3;
      white-space: nowrap;
    }
    .badge.good { color: #bdf0d8; border-color: rgba(101,201,155,.35); background: rgba(101,201,155,.12); }
    .badge.warn { color: #f3d49a; border-color: rgba(225,178,94,.35); background: rgba(225,178,94,.12); }
    .badge.danger { color: #ffb6b6; border-color: rgba(226,107,107,.38); background: rgba(226,107,107,.12); }

    .booking-panel {
      background: linear-gradient(180deg, rgba(42,34,42,.96), rgba(30,25,32,.96));
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .booking-head {
      padding: 18px 18px 12px;
      border-bottom: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }
    .booking-head strong { font-size: 17px; }
    .booking-body { padding: 18px; }
    .time-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin: 14px 0 18px;
    }
    .time-slot {
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
      border-radius: var(--radius-sm);
      padding: 12px;
      min-height: 78px;
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }
    .time-slot:hover {
      transform: translateY(-2px);
      border-color: rgba(201,72,101,.48);
      background: rgba(201,72,101,.11);
    }
    .time-slot span {
      display: block;
      color: var(--weak);
      font-size: 12px;
      margin-top: 4px;
    }
    .check-list {
      display: grid;
      gap: 9px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 14px;
    }
    .check-list li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }
    .check-list li:before {
      content: "✓";
      color: var(--good);
      font-weight: 900;
      line-height: 1.6;
    }

    .toolbar {
      display: grid;
      grid-template-columns: minmax(260px, 1fr) auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      margin-top: 28px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
    }
    .filter-form {
      display: grid;
      grid-template-columns: minmax(160px, 1fr) 150px 150px auto;
      gap: 10px;
    }
    .filter-form input,
    .filter-form select {
      height: 42px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: #151317;
      color: var(--ink);
      padding: 0 12px;
      margin: 0;
    }
    .filter-form input::placeholder { color: var(--weak); }
    .toolbar-note {
      color: var(--weak);
      font-size: 13px;
      text-align: right;
    }

    .index-layout {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 26px;
      align-items: start;
      margin-top: 32px;
    }
    .toc {
      position: sticky;
      top: 96px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 16px;
    }
    .toc h2 {
      margin: 0 0 12px;
      font-size: 17px;
    }
    .toc a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 14px;
    }
    .toc a:last-child { border-bottom: 0; }
    .toc a:hover { color: var(--ink); }
    .toc small { color: var(--weak); }

    .entry-list {
      display: grid;
      gap: 14px;
    }
    .entry-card {
      display: grid;
      grid-template-columns: 176px minmax(0, 1fr) 132px;
      gap: 16px;
      align-items: stretch;
      min-height: 150px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .entry-card:hover {
      transform: translateY(-3px);
      border-color: rgba(201,72,101,.42);
      box-shadow: var(--shadow-soft);
    }
    .entry-visual {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(201,72,101,.22), rgba(183,160,106,.12)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.06) 0 1px, transparent 1px 12px);
      min-height: 150px;
    }
    .entry-visual:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(0,0,0,.26));
      transform: scale(1);
      transition: transform .25s ease;
    }
    .entry-card:hover .entry-visual:after { transform: scale(1.05); }
    .entry-content {
      padding: 16px 0;
      min-width: 0;
    }
    .entry-content h3 {
      margin: 10px 0 8px;
      font-size: 20px;
      line-height: 1.35;
      color: #fff;
    }
    .entry-content p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }
    .entry-meta {
      padding: 16px 16px 16px 0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: flex-end;
      color: var(--weak);
      font-size: 13px;
    }

    .rail-wrap {
      margin-top: 30px;
      overflow: hidden;
    }
    .rail {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 318px);
      gap: 14px;
      overflow-x: auto;
      padding: 4px 2px 14px;
      scrollbar-width: none;
      scroll-snap-type: x proximity;
    }
    .rail::-webkit-scrollbar { display: none; }
    .rail-card {
      scroll-snap-align: start;
      min-height: 210px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--panel);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .rail-card:hover {
      transform: translateY(-4px) scale(1.015);
      border-color: rgba(183,160,106,.45);
      box-shadow: var(--shadow-soft);
    }
    .rail-image {
      height: 104px;
      background:
        linear-gradient(135deg, rgba(201,72,101,.2), rgba(101,201,155,.1)),
        linear-gradient(90deg, rgba(255,255,255,.08) 20%, transparent 20% 40%, rgba(255,255,255,.05) 40% 60%, transparent 60%);
      border-bottom: 1px solid var(--line);
    }
    .rail-body { padding: 14px; }
    .rail-body h3 {
      margin: 10px 0 8px;
      font-size: 18px;
      line-height: 1.35;
    }
    .rail-body p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
    }

    .split-band {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .solution-grid {
      display: grid;
      grid-template-columns: 1fr 1.35fr;
      gap: 28px;
      align-items: start;
      margin-top: 28px;
    }
    .phase-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .phase-list li {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      padding: 15px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
    }
    .phase-num {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-sm);
      display: grid;
      place-items: center;
      background: rgba(201,72,101,.16);
      color: #fff;
      font-weight: 900;
      border: 1px solid rgba(201,72,101,.3);
    }
    .phase-list h3 {
      margin: 0 0 4px;
      font-size: 17px;
    }
    .phase-list p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .matrix {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }
    .matrix-item {
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(42,34,42,.88), rgba(33,27,35,.88));
    }
    .matrix-item strong {
      display: block;
      margin-bottom: 8px;
      color: #fff;
    }
    .matrix-item span {
      color: var(--muted);
      font-size: 14px;
    }

    .stat-strip {
      display: grid;
      grid-template-columns: 1.3fr repeat(3, 1fr);
      gap: 12px;
      margin-top: 30px;
    }
    .stat-box {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      min-height: 122px;
    }
    .stat-box strong {
      display: block;
      font-size: 28px;
      line-height: 1.1;
      color: #fff;
      margin-bottom: 8px;
    }
    .stat-box span {
      color: var(--muted);
      font-size: 14px;
    }
    .stat-box.feature {
      background:
        linear-gradient(135deg, rgba(201,72,101,.18), rgba(183,160,106,.09)),
        var(--panel);
    }

    .quote-track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(310px, 430px);
      gap: 14px;
      overflow-x: auto;
      padding: 4px 2px 12px;
      scrollbar-width: none;
      margin-top: 28px;
    }
    .quote-track::-webkit-scrollbar { display: none; }
    .quote-card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      padding: 18px;
    }
    .quote-card p {
      margin: 0 0 14px;
      color: var(--muted);
    }
    .quote-card strong {
      color: #fff;
      font-size: 14px;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 28px;
      margin-top: 28px;
      align-items: start;
    }
    .faq-note {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      color: var(--muted);
    }
    .accordion {
      background: transparent;
      border: 0;
      margin: 0;
    }
    .accordion-item {
      margin-bottom: 10px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--panel);
    }
    .accordion-title {
      border: 0;
      color: var(--ink);
      font-weight: 800;
      font-size: 16px;
      padding: 16px 46px 16px 16px;
      background: transparent;
    }
    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(255,255,255,.05);
      color: #fff;
    }
    .accordion-title::before { color: var(--accent); }
    .accordion-content {
      border: 0;
      border-top: 1px solid var(--line);
      background: rgba(0,0,0,.08);
      color: var(--muted);
      padding: 16px;
    }

    .cta-band {
      padding: 52px 0;
      background:
        linear-gradient(90deg, rgba(201,72,101,.22), rgba(183,160,106,.1)),
        #171418;
      border-top: 1px solid var(--line);
    }
    .cta-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }
    .cta-inner h2 {
      margin: 0 0 10px;
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.25;
    }
    .cta-inner p {
      margin: 0;
      color: var(--muted);
      max-width: 760px;
    }
    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .site-footer {
      background: #0c0b0d;
      border-top: 1px solid var(--line);
      padding: 48px 0 24px;
      color: var(--muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr repeat(3, 1fr);
      gap: 28px;
    }
    .footer-brand {
      color: #fff;
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 10px;
    }
    .site-footer h3 {
      color: #fff;
      font-size: 15px;
      margin: 0 0 12px;
    }
    .site-footer a {
      display: block;
      color: var(--muted);
      font-size: 14px;
      margin: 7px 0;
    }
    .site-footer a:hover { color: var(--primary-2); }
    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      border-top: 1px solid var(--line);
      margin-top: 30px;
      padding-top: 18px;
      color: var(--weak);
      font-size: 13px;
    }

    @media (max-width: 1120px) {
      .nav-shell { flex-wrap: wrap; padding: 14px 0; }
      .nav-actions { order: 3; width: 100%; min-width: 0; justify-content: stretch; }
      .nav-search { max-width: none; }
      .hero-grid,
      .index-layout,
      .solution-grid,
      .faq-layout {
        grid-template-columns: 1fr;
      }
      .toc { position: static; }
      .stat-strip { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .container { width: min(100% - 28px, var(--container)); }
      .site-header { position: sticky; }
      .nav-shell { min-height: 66px; gap: 12px; }
      .brand-text { font-size: 15px; }
      .nav-toggle { display: block; }
      .nav-links {
        display: none;
        order: 4;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding-top: 6px;
      }
      .nav-links.is-open { display: flex; }
      .nav-links a { width: 100%; }
      .nav-actions {
        display: grid;
        grid-template-columns: 1fr;
      }
      .nav-actions .btn { width: 100%; }
      .hero { padding: 24px 0 34px; }
      .hero-grid { gap: 22px; }
      .hero h1 { font-size: 34px; }
      .hero-lead { font-size: 16px; }
      .toolbar { grid-template-columns: 1fr; }
      .filter-form { grid-template-columns: 1fr; }
      .toolbar-note { text-align: left; }
      .entry-card {
        grid-template-columns: 118px minmax(0, 1fr);
      }
      .entry-meta {
        grid-column: 1 / -1;
        padding: 0 14px 14px;
        align-items: flex-start;
        gap: 10px;
      }
      .entry-content { padding: 14px 12px 14px 0; }
      .entry-content h3 { font-size: 17px; }
      .matrix,
      .stat-strip,
      .footer-grid,
      .cta-inner {
        grid-template-columns: 1fr;
      }
      .cta-actions { justify-content: flex-start; }
      .section { padding: 52px 0; }
      .section-tight { padding: 42px 0; }
    }

    @media (max-width: 520px) {
      .hero-actions,
      .cta-actions {
        flex-direction: column;
      }
      .btn { width: 100%; }
      .time-grid { grid-template-columns: 1fr; }
      .rail { grid-auto-columns: minmax(230px, 86vw); }
      .quote-track { grid-auto-columns: minmax(250px, 86vw); }
      .entry-card {
        grid-template-columns: 1fr;
      }
      .entry-visual { min-height: 126px; }
      .entry-content { padding: 14px; }
      .breadcrumb { font-size: 12px; }
    }