/* roulang page: index */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --accent:#14b8a6;
      --success:#22c55e;
      --warning:#f97316;
      --bg:#f6f8fc;
      --bg-soft:#f8faff;
      --text:#111827;
      --muted:#64748b;
      --border:#e2e8f0;
      --card:#ffffff;
      --radius:18px;
      --shadow:0 18px 45px rgba(15,23,42,.08);
      --shadow-sm:0 10px 24px rgba(15,23,42,.06);
    }
    *{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(--text);
      background:
        radial-gradient(circle at 10% 0%,rgba(37,99,235,.09),transparent 28%),
        radial-gradient(circle at 90% 12%,rgba(20,184,166,.1),transparent 26%),
        var(--bg);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(37,99,235,.18)}
    .container{width:min(1240px,100% - 48px);margin-inline:auto}
    .shadow-soft{box-shadow:var(--shadow)}
    .shadow-card{box-shadow:var(--shadow-sm)}
    .bg-grid{
      background-image:linear-gradient(rgba(37,99,235,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.08) 1px,transparent 1px);
      background-size:28px 28px;
    }
    .hide-scroll::-webkit-scrollbar{display:none}
    .hide-scroll{scrollbar-width:none}
    .nav-link,.tab-link,.btn,.card,.metric-card,.news-link,.tag-pill{transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease,color .22s ease}
    .nav-link:hover,.tab-link:hover,.news-link:hover{color:var(--primary)}
    .tab-link.active{background:var(--primary);color:#fff;box-shadow:0 10px 20px rgba(37,99,235,.22)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 32px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary);border:1px solid rgba(37,99,235,.22)}
    .btn-secondary:hover{background:#eff6ff;transform:translateY(-2px)}
    .card:hover,.metric-card:hover{transform:translateY(-3px);border-color:rgba(37,99,235,.35);box-shadow:var(--shadow)}
    .live-dot{width:8px;height:8px;border-radius:99px;background:#ef4444;display:inline-block;box-shadow:0 0 0 rgba(239,68,68,.4);animation:pulse 1.6s infinite}
    @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(239,68,68,.45)}70%{box-shadow:0 0 0 8px rgba(239,68,68,0)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}}
    .focusable:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(37,99,235,.32);outline-offset:3px}
    .section-title{font-size:clamp(1.65rem,2.7vw,2.25rem);line-height:1.25;font-weight:800;letter-spacing:-.02em}
    .section-sub{color:var(--muted);font-size:1rem;max-width:760px}
    .rank-no{font-variant-numeric:tabular-nums}
    .progress{height:8px;border-radius:99px;background:#eaf0fb;overflow:hidden}
    .progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    details summary::-webkit-details-marker{display:none}
    details[open] summary .faq-plus{transform:rotate(45deg)}
    .faq-plus{transition:.2s ease}
    .footer-link:hover{color:#bfdbfe}
    @media (max-width:1024px){.container{width:min(100% - 36px,1240px)}}
    @media (max-width:768px){
      .container{width:min(100% - 28px,1240px)}
      .hero-grid{grid-template-columns:1fr!important}
      .top-search{order:3;width:100%}
      .desktop-tight{display:none}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,1240px)}
      .btn{width:100%;justify-content:center}
      .mobile-two{grid-template-columns:repeat(2,minmax(0,1fr))!important}
      .mobile-stack{grid-template-columns:1fr!important}
      .hero-title{font-size:2rem!important}
    }

/* roulang page: category1 */
:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent: #14b8a6;
      --warning: #f97316;
      --bg: #f6f8fc;
      --surface: #ffffff;
      --surface-soft: #f8faff;
      --text: #111827;
      --muted: #64748b;
      --border: #e2e8f0;
      --radius: 18px;
      --shadow-soft: 0 18px 48px rgba(15, 23, 42, .08);
      --shadow-card: 0 10px 28px rgba(37, 99, 235, .08);
    }
    * { 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(--text);
      background:
        radial-gradient(circle at 8% 10%, rgba(37, 99, 235, .08), transparent 28%),
        linear-gradient(180deg, #f8faff 0%, #f6f8fc 42%, #ffffff 100%);
      line-height: 1.75;
    }
    a, button, input, select, textarea, summary { transition: all .2s ease; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
    .hide-scroll { scrollbar-width: none; }
    .hide-scroll::-webkit-scrollbar { display: none; }
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible {
      outline: 3px solid rgba(37, 99, 235, .28);
      outline-offset: 3px;
      border-radius: 14px;
    }
    .live-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--accent);
      display: inline-block;
      box-shadow: 0 0 0 0 rgba(20, 184, 166, .45);
      animation: pulseLive 1.7s infinite;
    }
    @keyframes pulseLive {
      0% { box-shadow: 0 0 0 0 rgba(20, 184, 166, .42); }
      70% { box-shadow: 0 0 0 9px rgba(20, 184, 166, 0); }
      100% { box-shadow: 0 0 0 0 rgba(20, 184, 166, 0); }
    }
    .btn { border: 1px solid transparent; box-shadow: 0 10px 22px rgba(37, 99, 235, .12); }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(37, 99, 235, .2); }
    .btn-secondary { background: #fff; color: var(--primary); border-color: #bfdbfe; box-shadow: none; }
    .btn-secondary:hover { background: #eff6ff; border-color: #93c5fd; transform: translateY(-1px); }
    .tab-link { color: #475569; background: #fff; border: 1px solid var(--border); }
    .tab-link:hover { color: var(--primary); border-color: #bfdbfe; background: #eff6ff; }
    .tab-link.active { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 8px 20px rgba(37, 99, 235, .22); }
    .shadow-soft { box-shadow: var(--shadow-soft); }
    .shadow-card { box-shadow: var(--shadow-card); }
    .card {
      background: rgba(255,255,255,.94);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-card);
    }
    .card-hover:hover {
      transform: translateY(-3px);
      border-color: #bfdbfe;
      box-shadow: 0 20px 46px rgba(15, 23, 42, .1);
    }
    .bg-grid {
      background-image:
        linear-gradient(rgba(37, 99, 235, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, .06) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .hero-bg {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(90deg, rgba(248,250,255,.96), rgba(248,250,255,.9)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 6px 11px; font-size: 12px; font-weight: 700; }
    .badge-live { color: #047857; background: #d1fae5; }
    .badge-finished { color: #475569; background: #f1f5f9; }
    .badge-upcoming { color: #b45309; background: #fef3c7; }
    .metric-card { border-radius: 16px; border: 1px solid var(--border); background: #fff; padding: 16px; }
    .metric-card:hover { border-color: #93c5fd; box-shadow: var(--shadow-card); transform: translateY(-2px); }
    .report-row { border: 1px solid var(--border); background: #fff; border-radius: 16px; padding: 18px; }
    .report-row:hover { border-color: #93c5fd; box-shadow: var(--shadow-card); transform: translateY(-2px); }
    .timeline-dot { width: 10px; height: 10px; border-radius: 999px; background: var(--primary); box-shadow: 0 0 0 5px #dbeafe; }
    .rank-number { width: 32px; height: 32px; border-radius: 12px; display: grid; place-items: center; font-weight: 900; background: #eff6ff; color: var(--primary); }
    .rank-hot .rank-number { background: #fff7ed; color: var(--warning); }
    .progress { height: 8px; border-radius: 999px; background: #e2e8f0; overflow: hidden; }
    .progress > span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
    .form-control {
      width: 100%;
      border: 1px solid var(--border);
      background: #f8fafc;
      border-radius: 14px;
      padding: 12px 14px;
      outline: none;
    }
    .form-control:focus {
      background: #fff;
      border-color: #60a5fa;
      box-shadow: 0 0 0 4px rgba(37, 99, 235, .1);
    }
    details {
      border: 1px solid var(--border);
      border-radius: 16px;
      background: #fff;
      padding: 18px 20px;
      box-shadow: 0 8px 22px rgba(15, 23, 42, .04);
    }
    details[open] { border-color: #bfdbfe; box-shadow: var(--shadow-card); }
    summary { cursor: pointer; font-weight: 800; color: #0f172a; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; float: right; color: var(--primary); font-size: 22px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    .footer-link { color: #cbd5e1; }
    .footer-link:hover { color: #fff; transform: translateX(3px); }
    @media (max-width: 1024px) {
      .container { width: min(100% - 28px, 960px); }
      .top-search { order: 3; flex-basis: 100%; }
    }
    @media (max-width: 768px) {
      .hero-title { font-size: 32px !important; line-height: 1.22 !important; }
      .section-title { font-size: 26px !important; }
      .container { width: min(100% - 24px, 720px); }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 20px, 480px); }
      .btn-mobile { width: 100%; justify-content: center; }
      .report-row { padding: 15px; }
      .hero-title { font-size: 29px !important; }
    }

/* roulang page: category2 */
:root{
      --wk-primary:#2563eb;
      --wk-primary-dark:#1d4ed8;
      --wk-accent:#14b8a6;
      --wk-hot:#f97316;
      --wk-bg:#f6f8fc;
      --wk-soft:#f8faff;
      --wk-text:#111827;
      --wk-muted:#64748b;
      --wk-border:#e2e8f0;
      --wk-radius:20px;
      --wk-shadow:0 18px 50px rgba(15,23,42,.08);
      --wk-shadow-sm:0 10px 28px rgba(37,99,235,.08);
    }
    *{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(--wk-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at 88% 20%, rgba(20,184,166,.08), transparent 24%),
        linear-gradient(180deg,#f8faff 0%,#ffffff 46%,#f6f8fc 100%);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{width:min(1240px,100%);margin:0 auto;padding-left:24px;padding-right:24px}
    .bg-grid{
      background-image:
        linear-gradient(rgba(37,99,235,.08) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.08) 1px,transparent 1px);
      background-size:28px 28px;
    }
    .hide-scroll::-webkit-scrollbar{display:none}
    .hide-scroll{scrollbar-width:none}
    .live-dot{
      width:9px;height:9px;border-radius:999px;background:var(--wk-accent);
      display:inline-block;box-shadow:0 0 0 0 rgba(20,184,166,.55);animation:pulseLive 1.8s infinite;
    }
    @keyframes pulseLive{
      0%{box-shadow:0 0 0 0 rgba(20,184,166,.55)}
      70%{box-shadow:0 0 0 10px rgba(20,184,166,0)}
      100%{box-shadow:0 0 0 0 rgba(20,184,166,0)}
    }
    .btn{transition:all .22s ease;border:1px solid transparent}
    .btn-primary{background:var(--wk-primary);color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.18)}
    .btn-primary:hover{background:var(--wk-primary-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(37,99,235,.24)}
    .btn-secondary{background:#fff;color:var(--wk-primary);border-color:#bfdbfe}
    .btn-secondary:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-2px)}
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(37,99,235,.28);
      outline-offset:3px;
      border-radius:14px;
    }
    .tab-link{transition:all .2s ease}
    .tab-link:hover{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}
    .tab-link.active{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 12px 22px rgba(37,99,235,.18)}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--wk-border);
      border-radius:var(--wk-radius);
      box-shadow:var(--wk-shadow-sm);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-3px);border-color:#bfdbfe;box-shadow:var(--wk-shadow)}
    .section{padding:76px 0}
    .section-tight{padding:48px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:#1d4ed8;background:#eff6ff;border:1px solid #dbeafe;
      padding:8px 13px;border-radius:999px;font-weight:800;font-size:13px;
    }
    .badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}
    .badge-blue{background:#eff6ff;color:#1d4ed8}
    .badge-green{background:#ecfdf5;color:#047857}
    .badge-orange{background:#fff7ed;color:#c2410c}
    .metric-number{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
    .mini-bar{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}
    .mini-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563eb,#14b8a6)}
    .chart-line{
      position:relative;height:190px;border-radius:18px;background:
        linear-gradient(180deg,rgba(37,99,235,.08),rgba(20,184,166,.06)),
        repeating-linear-gradient(0deg,transparent 0 37px,rgba(148,163,184,.18) 38px),
        repeating-linear-gradient(90deg,transparent 0 49px,rgba(148,163,184,.14) 50px);
      overflow:hidden;
    }
    .chart-line:after{
      content:"";position:absolute;left:7%;right:7%;top:55%;
      height:4px;border-radius:999px;background:linear-gradient(90deg,#2563eb 0%,#14b8a6 35%,#f97316 62%,#2563eb 100%);
      transform:skewY(-8deg);box-shadow:0 12px 30px rgba(37,99,235,.22);
    }
    .footer-link{color:#cbd5e1;transition:color .2s ease,transform .2s ease}
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    details summary{cursor:pointer;list-style:none}
    details summary::-webkit-details-marker{display:none}
    details[open]{border-color:#bfdbfe;background:#f8fbff}
    @media (max-width:1024px){
      .container{padding-left:20px;padding-right:20px}
      .section{padding:60px 0}
    }
    @media (max-width:768px){
      .container{padding-left:16px;padding-right:16px}
      .top-search{order:3;flex-basis:100%;min-width:100%}
      .section{padding:52px 0}
      .hero-title{font-size:32px!important;line-height:1.18!important}
    }
    @media (max-width:520px){
      .hero-title{font-size:29px!important}
      .mobile-stack{grid-template-columns:1fr!important}
      .btn-mobile{width:100%;justify-content:center}
    }

/* roulang page: category3 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --accent:#14B8A6;
      --hot:#F97316;
      --bg:#F6F8FC;
      --soft:#F8FAFF;
      --text:#111827;
      --muted:#64748B;
      --border:#E2E8F0;
      --card:#FFFFFF;
      --radius:18px;
      --shadow:0 18px 50px rgba(15,23,42,.08);
      --shadow-sm:0 10px 30px rgba(15,23,42,.06);
    }
    *{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(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(37,99,235,.09), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(20,184,166,.08), transparent 26%),
        var(--bg);
      line-height:1.75;
    }
    a,button,input,select,textarea{transition:all .22s ease}
    a{text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(1240px, calc(100% - 48px));margin-inline:auto}
    .hide-scroll{scrollbar-width:none}
    .hide-scroll::-webkit-scrollbar{display:none}
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(37,99,235,.28);
      outline-offset:3px;
      border-radius:14px;
    }
    .live-dot{
      width:9px;height:9px;border-radius:50%;
      background:#ef4444;display:inline-block;
      box-shadow:0 0 0 0 rgba(239,68,68,.55);
      animation:pulseLive 1.8s infinite;
    }
    @keyframes pulseLive{
      0%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}
      70%{box-shadow:0 0 0 9px rgba(239,68,68,0)}
      100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}
    }
    .btn{border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 32px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#BFDBFE}
    .btn-secondary:hover{background:#EFF6FF;border-color:#93C5FD;transform:translateY(-1px)}
    .tab-link{color:#475569}
    .tab-link:hover{color:#1D4ED8;background:#EFF6FF;border-color:#BFDBFE}
    .tab-link.active{background:#2563EB;color:#fff;border-color:#2563EB;box-shadow:0 10px 24px rgba(37,99,235,.22)}
    .shadow-soft{box-shadow:var(--shadow)}
    .card{
      background:rgba(255,255,255,.94);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
    }
    .card-hover:hover{transform:translateY(-3px);border-color:#BFDBFE;box-shadow:var(--shadow)}
    .badge{
      display:inline-flex;align-items:center;gap:.35rem;
      border-radius:999px;padding:.34rem .72rem;
      font-size:.78rem;font-weight:800;
      border:1px solid #DBEAFE;background:#EFF6FF;color:#1D4ED8;
      white-space:nowrap;
    }
    .badge-hot{border-color:#FED7AA;background:#FFF7ED;color:#C2410C}
    .badge-live{border-color:#99F6E4;background:#F0FDFA;color:#0F766E}
    .section{padding:72px 0}
    .section-tight{padding:46px 0}
    .bg-grid{
      background-image:
        linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
      background-size:24px 24px;
    }
    .news-line{border-bottom:1px solid #E2E8F0}
    .news-line:last-child{border-bottom:0}
    .rank-num{
      width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;
      background:#F1F5F9;color:#334155;font-weight:900;
      font-variant-numeric:tabular-nums;
    }
    .rank-num.hot{background:#FFF7ED;color:#EA580C}
    .tag-pill{
      display:inline-flex;align-items:center;border-radius:999px;
      padding:.5rem .85rem;background:#fff;border:1px solid #E2E8F0;
      color:#475569;font-weight:700;font-size:.9rem;
    }
    .tag-pill:hover{border-color:#93C5FD;background:#EFF6FF;color:#1D4ED8;transform:translateY(-1px)}
    .mini-bar{height:7px;border-radius:999px;background:#E2E8F0;overflow:hidden}
    .mini-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#14B8A6)}
    details{border:1px solid #E2E8F0;border-radius:18px;background:#fff;box-shadow:0 8px 24px rgba(15,23,42,.04)}
    summary{cursor:pointer;list-style:none}
    summary::-webkit-details-marker{display:none}
    details[open]{border-color:#BFDBFE;box-shadow:var(--shadow-sm)}
    .footer-link{color:#CBD5E1}
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    @media (max-width:1024px){
      .container{width:min(100% - 36px, 1240px)}
      .section{padding:58px 0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, 1240px)}
      .top-search{order:5;flex-basis:100%;min-width:100%}
      .section{padding:48px 0}
      .hero-title{font-size:2.2rem!important}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px, 1240px)}
      .hero-title{font-size:1.9rem!important}
      .btn{width:100%}
    }

/* roulang page: category4 */
:root{
      --primary:#2563EB;
      --primary-dark:#1D4ED8;
      --accent:#14B8A6;
      --warning:#F97316;
      --bg:#F6F8FC;
      --surface:#FFFFFF;
      --text:#111827;
      --muted:#64748B;
      --border:#E2E8F0;
      --radius:18px;
      --shadow-soft:0 18px 45px rgba(15,23,42,.08);
      --shadow-card:0 12px 30px rgba(37,99,235,.08);
    }
    *{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(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(37,99,235,.10), transparent 32%),
        radial-gradient(circle at 88% 12%, rgba(20,184,166,.10), transparent 26%),
        var(--bg);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{width:min(1220px, calc(100% - 32px));margin-inline:auto}
    .hide-scroll{scrollbar-width:none}
    .hide-scroll::-webkit-scrollbar{display:none}
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(37,99,235,.28);
      outline-offset:3px;
      border-radius:14px;
    }
    .btn{transition:.22s ease;border:1px solid transparent}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(37,99,235,.22)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 18px 34px rgba(37,99,235,.28)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:#BFDBFE}
    .btn-secondary:hover{background:#EFF6FF;border-color:#93C5FD;transform:translateY(-1px)}
    .tab-link{transition:.22s ease}
    .tab-link:hover{background:#EFF6FF;color:#1D4ED8;border-color:#BFDBFE}
    .tab-link.active{background:#2563EB;color:#fff;border-color:#2563EB;box-shadow:0 10px 20px rgba(37,99,235,.18)}
    .live-dot{width:9px;height:9px;border-radius:999px;background:#14B8A6;display:inline-block;box-shadow:0 0 0 0 rgba(20,184,166,.55);animation:pulse 1.8s infinite}
    @keyframes pulse{70%{box-shadow:0 0 0 10px rgba(20,184,166,0)}100%{box-shadow:0 0 0 0 rgba(20,184,166,0)}}
    .bg-grid{
      background-image:
        linear-gradient(rgba(37,99,235,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.07) 1px, transparent 1px);
      background-size:24px 24px;
    }
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #BFDBFE;background:#EFF6FF;color:#1D4ED8;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:800}
    .card{background:rgba(255,255,255,.96);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);transition:.22s ease}
    .card:hover{transform:translateY(-2px);border-color:#BFDBFE;box-shadow:var(--shadow-soft)}
    .badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}
    .badge-blue{background:#EFF6FF;color:#1D4ED8}
    .badge-teal{background:#ECFDF5;color:#0F766E}
    .badge-orange{background:#FFF7ED;color:#C2410C}
    .bento-card{position:relative;overflow:hidden;min-height:240px}
    .bento-card img{height:100%;width:100%;object-fit:cover;transition:.35s ease}
    .bento-card:hover img{transform:scale(1.04)}
    .bento-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(15,23,42,.05), rgba(15,23,42,.74))}
    .bento-content{position:absolute;left:0;right:0;bottom:0;padding:24px;color:#fff}
    .metric-num{font-variant-numeric:tabular-nums}
    .footer-link{color:#CBD5E1}
    .footer-link:hover{color:#fff;transform:translateX(2px)}
    .top-search input::placeholder{color:#94A3B8}
    details summary{cursor:pointer;list-style:none}
    details summary::-webkit-details-marker{display:none}
    details[open] .faq-plus{transform:rotate(45deg);background:#2563EB;color:#fff}
    .timeline-line{position:absolute;left:18px;top:34px;bottom:0;width:2px;background:#DBEAFE}
    @media (max-width:1024px){
      .section{padding:62px 0}
      .hero-grid{grid-template-columns:1fr!important}
      .topic-aside{position:static!important}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, 1220px)}
      .section{padding:52px 0}
      .top-search{order:3;flex-basis:100%}
      h1{font-size:34px!important;line-height:1.18!important}
      .bento-card{min-height:220px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px, 1220px)}
      .section{padding:44px 0}
      .btn-row{display:grid!important;grid-template-columns:1fr;gap:10px}
      .mobile-compact{grid-template-columns:1fr!important}
      .bento-content{padding:18px}
    }

/* roulang page: category5 */
:root{
      --primary:#2563eb;
      --primary-dark:#1d4ed8;
      --accent:#14b8a6;
      --warning:#f97316;
      --bg:#f6f8fc;
      --panel:#ffffff;
      --text:#111827;
      --muted:#64748b;
      --border:#e2e8f0;
      --soft:#eef6ff;
      --radius:18px;
      --shadow:0 18px 50px rgba(15,23,42,.08);
      --shadow-sm:0 10px 25px rgba(15,23,42,.06);
    }
    *{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(--text);
      background:
        radial-gradient(circle at 8% 8%, rgba(37,99,235,.08), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(20,184,166,.08), transparent 30%),
        var(--bg);
      line-height:1.75;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{width:min(1200px, calc(100% - 48px));margin-inline:auto}
    .hide-scroll{scrollbar-width:none}
    .hide-scroll::-webkit-scrollbar{display:none}
    .bg-grid{
      background-image:
        linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px);
      background-size:28px 28px;
    }
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible,
    summary:focus-visible{
      outline:3px solid rgba(37,99,235,.28);
      outline-offset:3px;
      border-radius:14px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 25px rgba(37,99,235,.22);
    }
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(37,99,235,.28)}
    .btn-secondary{
      color:var(--primary);
      background:#fff;
      border-color:#bfdbfe;
    }
    .btn-secondary:hover{background:#eff6ff;border-color:#93c5fd;transform:translateY(-2px)}
    .tab-link{transition:.22s ease}
    .tab-link:hover{background:#dbeafe;color:#1d4ed8;border-color:#bfdbfe}
    .tab-link.active{background:#2563eb;color:#fff;border-color:#2563eb;box-shadow:0 10px 22px rgba(37,99,235,.18)}
    .live-dot{
      width:.62rem;height:.62rem;border-radius:999px;background:#14b8a6;display:inline-block;
      box-shadow:0 0 0 rgba(20,184,166,.5);animation:pulse 1.65s infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(20,184,166,.5)}
      70%{box-shadow:0 0 0 8px rgba(20,184,166,0)}
      100%{box-shadow:0 0 0 0 rgba(20,184,166,0)}
    }
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow-sm);
      transition:.25s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bfdbfe}
    .badge{
      display:inline-flex;align-items:center;gap:.35rem;
      border-radius:999px;padding:.35rem .75rem;
      font-size:.82rem;font-weight:700;
      background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe;
    }
    .badge-green{background:#ecfdf5;color:#047857;border-color:#a7f3d0}
    .badge-orange{background:#fff7ed;color:#c2410c;border-color:#fed7aa}
    .section{padding:72px 0}
    .section-tight{padding:54px 0}
    .section-title{font-size:clamp(1.65rem,3vw,2.35rem);line-height:1.25;font-weight:900;letter-spacing:-.02em}
    .section-desc{color:var(--muted);font-size:1.04rem;max-width:760px}
    .hero-panel{
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(239,246,255,.94)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      border-bottom:1px solid var(--border);
    }
    .mini-stat{
      border:1px solid #dbeafe;background:#fff;border-radius:16px;padding:16px;
      box-shadow:0 8px 22px rgba(15,23,42,.05);
    }
    .service-link:hover .arrow{transform:translateX(4px)}
    .arrow{display:inline-block;transition:.2s ease}
    .process-step{position:relative}
    .process-step:not(:last-child)::after{
      content:"";position:absolute;left:32px;top:66px;bottom:-30px;width:2px;
      background:linear-gradient(#bfdbfe,#ccfbf1);
    }
    details{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px 20px;box-shadow:0 8px 20px rgba(15,23,42,.04)}
    details[open]{border-color:#bfdbfe;box-shadow:var(--shadow-sm)}
    summary{cursor:pointer;font-weight:900;list-style:none;display:flex;justify-content:space-between;gap:16px}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";color:var(--primary);font-weight:900}
    details[open] summary::after{content:"－"}
    .footer-link{color:#cbd5e1}
    .footer-link:hover{color:#fff;transform:translateX(3px)}
    .form-control{
      width:100%;border:1px solid var(--border);background:#f8fafc;border-radius:14px;
      padding:12px 14px;outline:none;transition:.2s ease;
    }
    .form-control:focus{background:#fff;border-color:#60a5fa;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
    .comparison-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    @media (max-width:1024px){
      .container{width:min(100% - 36px, 1200px)}
      .section{padding:58px 0}
      .comparison-row{grid-template-columns:1fr}
      .process-step:not(:last-child)::after{display:none}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, 1200px)}
      .top-search{order:3;flex-basis:100%;min-width:0}
      .section{padding:48px 0}
      .section-tight{padding:38px 0}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px, 1200px)}
      .btn{width:100%}
      .hero-actions{flex-direction:column}
      .mini-stat{padding:14px}
    }