/* roulang page: index */
:root {
      --berry: #b83262;
      --berry-deep: #842344;
      --berry-soft: #f7e8ee;
      --teal: #2f7775;
      --teal-soft: #e5f1ef;
      --ink: #29272b;
      --muted: #706b72;
      --paper: #fbf9f7;
      --warm: #f2edea;
      --line: #e6dedf;
      --white: #ffffff;
      --radius: 8px;
      --shadow: 0 8px 24px rgba(55, 35, 43, .08);
      --shadow-hover: 0 14px 30px rgba(55, 35, 43, .13);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      font-size: 16px;
      line-height: 1.8;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 3px solid rgba(184, 50, 98, .28);
      outline-offset: 3px;
    }
    .container { max-width: 1220px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(251, 249, 247, .98);
      border-bottom: 1px solid var(--line);
    }
    .topbar {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      font-size: 20px;
      line-height: 1.2;
      white-space: nowrap;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      color: var(--white);
      background: var(--berry);
      border-radius: 8px;
      font-size: 14px;
      font-weight: 900;
    }
    .header-action { flex-shrink: 0; }
    .tabs-row {
      border-top: 1px solid #eee7e6;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .tabs-row::-webkit-scrollbar { display: none; }
    .nav-tabs-custom {
      display: flex;
      gap: 8px;
      min-width: max-content;
      padding: 10px 0;
    }
    .nav-link-custom {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 7px 15px;
      color: var(--muted);
      border: 1px solid transparent;
      border-radius: 6px;
      font-size: 14px;
      transition: .2s ease;
    }
    .nav-link-custom:hover { color: var(--berry); background: var(--berry-soft); }
    .nav-link-custom.active {
      color: var(--white);
      background: var(--berry);
      border-color: var(--berry);
    }
    .btn-main, .btn-outline-main, .btn-soft {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 9px 19px;
      border-radius: 6px;
      font-weight: 700;
      transition: .2s ease;
    }
    .btn-main { color: var(--white); background: var(--berry); border: 1px solid var(--berry); }
    .btn-main:hover { color: var(--white); background: var(--berry-deep); border-color: var(--berry-deep); transform: translateY(-2px); }
    .btn-outline-main { color: var(--berry); background: transparent; border: 1px solid var(--berry); }
    .btn-outline-main:hover { color: var(--white); background: var(--berry); transform: translateY(-2px); }
    .btn-soft { color: var(--teal); background: var(--teal-soft); border: 1px solid var(--teal-soft); }
    .btn-soft:hover { color: var(--white); background: var(--teal); transform: translateY(-2px); }

    .hero {
      padding: 76px 0 42px;
      background: var(--warm);
      border-bottom: 1px solid var(--line);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.25fr) minmax(310px, .75fr);
      gap: 58px;
      align-items: end;
    }
    .eyebrow, .section-kicker {
      color: var(--berry);
      font-weight: 800;
      font-size: 13px;
      letter-spacing: 0;
    }
    .eyebrow::before { content: "◎"; margin-right: 7px; }
    h1, h2, h3 { margin: 0; line-height: 1.25; font-weight: 800; letter-spacing: 0; }
    h1 { max-width: 760px; margin: 17px 0 20px; font-size: clamp(38px, 5vw, 68px); }
    .hero-copy { max-width: 720px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
    .hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 25px; }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 3px 10px;
      color: var(--berry-deep);
      background: var(--berry-soft);
      border: 1px solid #efd2dd;
      border-radius: 5px;
      font-size: 12px;
      font-weight: 700;
    }
    .hero-panel {
      padding: 22px;
      color: var(--white);
      background: var(--ink);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .panel-label { color: #d8b4c2; font-size: 12px; font-weight: 700; }
    .panel-title { margin: 9px 0 18px; font-size: 25px; }
    .panel-row {
      display: flex;
      justify-content: space-between;
      gap: 15px;
      padding: 12px 0;
      border-top: 1px solid rgba(255,255,255,.16);
      color: #e7dfe2;
      font-size: 14px;
    }
    .panel-row strong { color: #fff; }
    .section { padding: 82px 0; }
    .section-header { max-width: 700px; margin-bottom: 32px; }
    .section-header h2 { margin: 8px 0 12px; font-size: clamp(28px, 4vw, 42px); }
    .section-header p { margin: 0; color: var(--muted); }
    .metrics {
      margin-top: -1px;
      padding: 0;
      background: var(--white);
      border-bottom: 1px solid var(--line);
    }
    .metric-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr 1fr 1fr;
    }
    .metric {
      min-height: 144px;
      padding: 26px 25px;
      border-right: 1px solid var(--line);
    }
    .metric:last-child { border-right: 0; }
    .metric-label { color: var(--muted); font-size: 13px; }
    .metric-value { margin: 7px 0 2px; color: var(--berry-deep); font-size: 35px; font-weight: 900; line-height: 1.2; }
    .metric-note { color: var(--muted); font-size: 12px; }
    .matrix {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .matrix-item {
      position: relative;
      min-height: 180px;
      padding: 24px;
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      transition: .2s ease;
    }
    .matrix-item:hover { border-color: #d79aae; box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .matrix-item.large { grid-row: span 2; min-height: 376px; color: var(--white); background: var(--berry-deep); border-color: var(--berry-deep); }
    .matrix-number { color: var(--berry); font-weight: 900; font-size: 13px; }
    .large .matrix-number { color: #f2b8ca; }
    .matrix-item h3 { margin: 18px 0 10px; font-size: 23px; }
    .matrix-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .large p { color: #f5dfe7; }
    .matrix-link { position: absolute; right: 23px; bottom: 19px; color: var(--berry); font-size: 13px; font-weight: 800; }
    .large .matrix-link { color: #fff; }
    .rank-list {
      border-top: 2px solid var(--ink);
      border-bottom: 1px solid var(--line);
      background: var(--white);
    }
    .rank-item {
      display: grid;
      grid-template-columns: 52px 1fr 110px 90px;
      gap: 15px;
      align-items: center;
      padding: 17px 20px;
      border-bottom: 1px solid var(--line);
    }
    .rank-item:last-child { border-bottom: 0; }
    .rank-no { color: var(--berry); font-size: 20px; font-weight: 900; }
    .rank-title { font-weight: 700; }
    .rank-desc { color: var(--muted); font-size: 13px; }
    .rank-stat { color: var(--muted); font-size: 13px; text-align: right; }
    .status { color: var(--teal); background: var(--teal-soft); border-radius: 4px; padding: 3px 8px; font-size: 12px; font-weight: 700; }
    .compare {
      display: grid;
      grid-template-columns: 1fr 1fr;
      border: 1px solid var(--line);
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
    }
    .compare-col { padding: 28px; }
    .compare-col:first-child { background: var(--berry-soft); border-right: 1px solid #efd2dd; }
    .compare-col h3 { margin-bottom: 18px; font-size: 21px; }
    .compare-list { list-style: none; padding: 0; margin: 0; }
    .compare-list li { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-top: 1px solid rgba(120, 80, 90, .16); font-size: 14px; }
    .compare-list strong { color: var(--berry-deep); }
    .timeline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 28px;
    }
    .timeline-item { padding: 19px; border-left: 3px solid var(--teal); background: var(--teal-soft); }
    .timeline-item b { display: block; margin-bottom: 5px; }
    .timeline-item span { color: var(--muted); font-size: 13px; }
    .accordion { --bs-accordion-border-color: var(--line); --bs-accordion-btn-focus-box-shadow: none; }
    .accordion-item { margin-bottom: 10px; border: 1px solid var(--line) !important; border-radius: var(--radius) !important; overflow: hidden; background: var(--white); }
    .accordion-button { min-height: 60px; color: var(--ink); background: var(--white); font-weight: 700; }
    .accordion-button:not(.collapsed) { color: var(--berry-deep); background: var(--berry-soft); box-shadow: none; }
    .accordion-body { color: var(--muted); padding: 20px 22px 24px; }
    .contact-band { background: var(--ink); color: var(--white); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
    .contact-band .section-kicker { color: #efb4c8; }
    .contact-band h2 { margin: 9px 0 15px; font-size: 38px; }
    .contact-band p { color: #d9d1d4; }
    .contact-points { margin-top: 28px; padding: 0; list-style: none; }
    .contact-points li { padding: 10px 0; color: #eee5e8; border-top: 1px solid rgba(255,255,255,.15); }
    .contact-points li::before { content: "✓"; margin-right: 10px; color: #e899b3; }
    .form-panel { padding: 30px; background: var(--white); color: var(--ink); border-radius: var(--radius); }
    .form-label { margin-bottom: 6px; font-size: 13px; font-weight: 700; }
    .form-control, .form-select { min-height: 48px; border: 1px solid var(--line); border-radius: 5px; }
    .form-control:focus, .form-select:focus { border-color: var(--berry); box-shadow: 0 0 0 3px rgba(184,50,98,.12); }
    .form-status { display: none; margin-top: 14px; padding: 11px 14px; color: #24635f; background: var(--teal-soft); border-radius: 5px; font-size: 14px; }
    .site-footer { padding: 45px 0 22px; color: #e8dde1; background: #201e21; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 35px; padding-bottom: 35px; }
    .footer-brand { color: #fff; font-size: 20px; font-weight: 800; }
    .footer-copy { max-width: 410px; margin: 12px 0 0; color: #aaa1a5; font-size: 14px; }
    .footer-title { color: #fff; font-size: 14px; font-weight: 800; }
    .footer-links { display: flex; flex-direction: column; gap: 7px; margin-top: 10px; color: #bdb3b7; font-size: 14px; }
    .footer-links a:hover { color: #f0a9c0; }
    .copyright { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); color: #978e92; font-size: 12px; }
    @media (max-width: 991px) {
      .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
      .hero { padding-top: 56px; }
      .matrix { grid-template-columns: 1fr 1fr; }
      .matrix-item.large { grid-row: auto; min-height: 250px; grid-column: span 2; }
      .metric-grid { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(2) { border-right: 0; }
      .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    }
    @media (max-width: 767px) {
      .topbar { min-height: 64px; gap: 12px; }
      .brand { font-size: 16px; }
      .brand-mark { width: 30px; height: 30px; }
      .header-action { padding: 7px 12px; min-height: 40px; font-size: 13px; }
      .hero { padding: 45px 0 30px; }
      h1 { font-size: 39px; }
      .hero-copy { font-size: 16px; }
      .section { padding: 58px 0; }
      .matrix { grid-template-columns: 1fr; }
      .matrix-item.large { grid-column: auto; min-height: 230px; }
      .rank-item { grid-template-columns: 38px 1fr auto; gap: 10px; padding: 14px 12px; }
      .rank-stat { display: none; }
      .compare { grid-template-columns: 1fr; }
      .compare-col:first-child { border-right: 0; border-bottom: 1px solid #efd2dd; }
      .timeline { grid-template-columns: 1fr; }
      .contact-grid { gap: 25px; }
      .contact-band h2 { font-size: 31px; }
      .form-panel { padding: 21px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid > div:first-child { grid-column: span 2; }
    }
    @media (max-width: 520px) {
      .metric { min-height: 130px; padding: 19px 14px; }
      .metric-value { font-size: 28px; }
      .hero-actions .btn-main, .hero-actions .btn-outline-main { flex: 1 1 100%; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > div:first-child { grid-column: auto; }
    }

/* roulang page: category1 */
:root {
      --berry:#b83262;
      --berry-deep:#842344;
      --berry-soft:#f7e8ee;
      --teal:#2f7775;
      --teal-soft:#e5f1ef;
      --ink:#29272b;
      --muted:#706b72;
      --paper:#fbf9f7;
      --warm:#f2edea;
      --line:#e6dedf;
      --white:#fff;
      --radius:8px;
      --shadow:0 8px 24px rgba(55,35,43,.08);
      --shadow-hover:0 14px 30px rgba(55,35,43,.13);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(184,50,98,.28);outline-offset:3px}
    .container{max-width:1220px}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(251,249,247,.98);border-bottom:1px solid var(--line)}
    .topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:20px;line-height:1.2;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--berry);border-radius:8px;font-size:14px;font-weight:900}
    .tabs-row{border-top:1px solid #eee7e6;overflow-x:auto;scrollbar-width:none}
    .tabs-row::-webkit-scrollbar{display:none}
    .nav-tabs-custom{display:flex;gap:8px;min-width:max-content;padding:10px 0}
    .nav-link-custom{min-height:40px;display:inline-flex;align-items:center;padding:7px 15px;color:var(--muted);border:1px solid transparent;border-radius:6px;font-size:14px;transition:.2s ease}
    .nav-link-custom:hover{color:var(--berry);background:var(--berry-soft)}
    .nav-link-custom.active{color:#fff;background:var(--berry);border-color:var(--berry)}
    .btn-main,.btn-outline-main,.btn-soft{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:9px 19px;border-radius:6px;font-weight:700;transition:.2s ease}
    .btn-main{color:#fff;background:var(--berry);border:1px solid var(--berry)}
    .btn-main:hover{color:#fff;background:var(--berry-deep);border-color:var(--berry-deep);transform:translateY(-2px)}
    .btn-outline-main{color:var(--berry);background:transparent;border:1px solid var(--berry)}
    .btn-outline-main:hover{color:#fff;background:var(--berry);transform:translateY(-2px)}
    .btn-soft{color:var(--teal);background:var(--teal-soft);border:1px solid var(--teal-soft)}
    .btn-soft:hover{color:#fff;background:var(--teal);transform:translateY(-2px)}
    .page-hero{padding:76px 0 56px;background:var(--warm);border-bottom:1px solid var(--line)}
    .hero-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:64px;align-items:end}
    .eyebrow,.section-kicker{color:var(--berry);font-size:13px;font-weight:800}
    .eyebrow:before{content:"◎";margin-right:7px}
    h1{margin:12px 0 18px;font-size:clamp(36px,5vw,64px);line-height:1.18;font-weight:900;letter-spacing:0}
    .hero-copy{max-width:720px;color:var(--muted);font-size:17px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
    .tag{display:inline-flex;align-items:center;min-height:30px;padding:3px 10px;color:var(--berry-deep);background:var(--berry-soft);border:1px solid #efd2dd;border-radius:5px;font-size:12px;font-weight:700}
    .status-panel{padding:25px;color:#fff;background:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow)}
    .status-panel small{color:#c9bec2}
    .status-number{display:block;margin:8px 0 14px;color:#fff;font-size:48px;font-weight:900;line-height:1}
    .status-row{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-top:1px solid rgba(255,255,255,.16);color:#e7dfe2;font-size:14px}
    .section{padding:76px 0}
    .section-header{max-width:720px;margin-bottom:30px}
    .section-header h2{margin:8px 0 12px;font-size:clamp(28px,4vw,42px);line-height:1.3}
    .section-header p{margin:0;color:var(--muted)}
    .filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .filter-label{font-weight:800;margin-right:4px}
    .filter-chip{padding:7px 13px;border:1px solid var(--line);border-radius:5px;color:var(--muted);background:var(--paper);transition:.2s}
    .filter-chip:hover,.filter-chip.active{color:var(--berry);border-color:#d79aae;background:var(--berry-soft)}
    .content-list{margin-top:28px;border-top:2px solid var(--ink);background:#fff}
    .content-item{display:grid;grid-template-columns:92px minmax(0,1fr) 150px 100px;gap:22px;align-items:center;padding:23px 24px;border-bottom:1px solid var(--line);transition:.2s}
    .content-item:last-child{border-bottom:0}
    .content-item:hover{background:#fffafb}
    .item-index{color:var(--berry);font-size:27px;font-weight:900}
    .item-title{margin:0 0 5px;font-size:20px;font-weight:800}
    .item-summary{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .item-meta{color:var(--muted);font-size:13px}
    .item-link{color:var(--berry);font-weight:800;font-size:14px;text-align:right}
    .item-link:hover{color:var(--berry-deep)}
    .highlight{margin-top:42px;padding:30px;background:var(--berry-deep);color:#fff;border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:28px}
    .highlight h2{margin:0 0 8px;font-size:27px}
    .highlight p{margin:0;color:#f2dfe6}
    .highlight .btn-outline-main{color:#fff;border-color:#fff;white-space:nowrap}
    .highlight .btn-outline-main:hover{background:#fff;color:var(--berry-deep)}
    .faq-section{background:var(--teal-soft)}
    .accordion-item{border:1px solid var(--line)!important;margin-bottom:10px;border-radius:6px!important;overflow:hidden;background:#fff}
    .accordion-button{min-height:58px;color:var(--ink);font-weight:800;background:#fff;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--berry-deep);background:var(--berry-soft)}
    .accordion-button:after{background-size:14px}
    .accordion-body{color:var(--muted);padding:4px 20px 20px}
    .cta{padding:72px 0;background:var(--warm);border-top:1px solid var(--line)}
    .cta-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:58px;align-items:start}
    .cta h2{margin:8px 0 12px;font-size:36px;line-height:1.3}
    .cta-copy{color:var(--muted)}
    .form-shell{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .form-label{font-weight:700;font-size:14px}
    .form-control,.form-select{min-height:48px;border-color:var(--line);border-radius:6px;background:#fff}
    .form-control:focus,.form-select:focus{border-color:var(--berry);box-shadow:0 0 0 .2rem rgba(184,50,98,.12)}
    textarea.form-control{min-height:110px}
    .form-note{margin:14px 0 0;color:var(--muted);font-size:12px}
    .site-footer{padding:48px 0 22px;color:#eadfe3;background:var(--ink)}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:50px}
    .footer-brand{display:inline-block;color:#fff;font-size:21px;font-weight:900;margin-bottom:12px}
    .footer-copy{max-width:460px;margin:0;color:#bdb1b6;font-size:14px}
    .footer-title{margin-bottom:12px;color:#fff;font-weight:800}
    .footer-links{display:grid;gap:7px;color:#c9bec2;font-size:14px}
    .footer-links a:hover{color:#fff}
    .copyright{margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);color:#a99ca2;font-size:13px}
    @media(max-width:991px){
      .hero-layout,.cta-layout{grid-template-columns:1fr;gap:30px}
      .content-item{grid-template-columns:65px minmax(0,1fr) 110px}
      .item-link{grid-column:2;text-align:left}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:767px){
      .topbar{min-height:68px}
      .brand{font-size:16px}
      .brand-mark{width:30px;height:30px;font-size:12px}
      .header-action{padding:8px 12px;min-height:42px;font-size:13px}
      .page-hero{padding:52px 0 40px}
      h1{font-size:38px}
      .section{padding:56px 0}
      .content-item{grid-template-columns:44px minmax(0,1fr);gap:8px 15px;padding:20px 16px}
      .item-title{font-size:18px}
      .item-meta{grid-column:2}
      .highlight{display:block;padding:24px}
      .highlight .btn-outline-main{margin-top:20px}
      .cta{padding:55px 0}
      .cta h2{font-size:30px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
    }
    @media(max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .filter-bar{align-items:flex-start}
      .filter-label{width:100%}
      .status-number{font-size:42px}
      .form-shell{padding:20px}
    }