/* roulang page: index */
:root {
      --blue: #2563eb;
      --blue-dark: #1749b5;
      --blue-soft: #eaf2ff;
      --cyan: #0e9fba;
      --orange: #ed8b38;
      --ink: #17233d;
      --muted: #66738d;
      --line: #dce6f3;
      --paper: #ffffff;
      --canvas: #f5f8fc;
      --radius: 16px;
      --shadow: 0 14px 38px rgba(37, 75, 135, .09);
      --shadow-hover: 0 20px 46px rgba(37, 75, 135, .16);
      --ease: all .25s ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--canvas);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
    }
    a { color: var(--blue); text-decoration: none; transition: var(--ease); }
    a:hover { color: var(--blue-dark); }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    button, .button { cursor: pointer; }
    :focus-visible { outline: 3px solid rgba(37, 99, 235, .28); outline-offset: 3px; }
    .grid-container { max-width: 1220px; padding-left: 22px; padding-right: 22px; }
    .section { padding: 94px 0; position: relative; }
    .section-head { max-width: 690px; margin-bottom: 36px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: .08em;
      margin-bottom: 12px;
    }
    .eyebrow::before {
      content: "";
      width: 26px;
      height: 3px;
      border-radius: 3px;
      background: var(--orange);
    }
    h1, h2, h3, p { margin-top: 0; }
    h1 {
      font-size: clamp(38px, 5.2vw, 66px);
      line-height: 1.16;
      letter-spacing: -.045em;
      margin-bottom: 24px;
      font-weight: 800;
    }
    h2 {
      font-size: clamp(30px, 3vw, 42px);
      line-height: 1.25;
      letter-spacing: -.03em;
      margin-bottom: 14px;
    }
    h3 { font-size: 21px; line-height: 1.35; margin-bottom: 10px; }
    .section-lead { color: var(--muted); margin-bottom: 0; max-width: 680px; }
    .site-header {
      background: rgba(255,255,255,.94);
      border-bottom: 1px solid var(--line);
      position: sticky;
      z-index: 20;
      top: 0;
      backdrop-filter: blur(12px);
    }
    .nav-wrap {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-weight: 800;
      font-size: 16px;
      line-height: 1.25;
      min-width: 230px;
    }
    .brand:hover { color: var(--blue); }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--blue);
      box-shadow: 0 8px 18px rgba(37,99,235,.22);
      font-size: 17px;
    }
    .main-nav { display: flex; align-items: center; gap: 5px; flex: 1; }
    .main-nav a, .mobile-nav a {
      color: var(--muted);
      padding: 9px 14px;
      border-radius: 9px;
      font-size: 14px;
      font-weight: 650;
      position: relative;
    }
    .main-nav a:hover, .main-nav a.active, .mobile-nav a:hover, .mobile-nav a.active {
      color: var(--blue);
      background: var(--blue-soft);
    }
    .main-nav a.active::after {
      content: "";
      position: absolute;
      height: 3px;
      width: 20px;
      left: 50%;
      bottom: -13px;
      transform: translateX(-50%);
      border-radius: 3px;
      background: var(--blue);
    }
    .command-search {
      width: 180px;
      height: 40px;
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 0 11px;
      border: 1px solid var(--line);
      border-radius: 9px;
      background: #fbfdff;
      color: var(--muted);
    }
    .command-search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--ink);
      font-size: 13px;
      min-width: 0;
    }
    .shortcut { font-size: 11px; color: #9aa8bc; white-space: nowrap; }
    .button {
      border-radius: 9px;
      margin: 0;
      padding: 12px 18px;
      font-weight: 700;
      line-height: 1.2;
      transition: var(--ease);
    }
    .button.primary { background: var(--blue); color: #fff; }
    .button.primary:hover { background: var(--blue-dark); box-shadow: 0 8px 18px rgba(37,99,235,.2); transform: translateY(-2px); }
    .button.secondary {
      color: var(--blue);
      background: #fff;
      border: 1px solid #bcd0ed;
    }
    .button.secondary:hover { border-color: var(--blue); background: var(--blue-soft); transform: translateY(-2px); }
    .button:active { transform: translateY(1px); box-shadow: none; }
    .button.disabled, .button[disabled] { opacity: .48; cursor: not-allowed; }

    .hero {
      padding: 76px 0 50px;
      background:
        linear-gradient(rgba(37,99,235,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.035) 1px, transparent 1px),
        #f7faff;
      background-size: 34px 34px;
      border-bottom: 1px solid var(--line);
    }
    .hero-copy { padding: 24px 22px 24px 0; }
    .hero h1 span { color: var(--blue); display: block; }
    .hero-text { color: var(--muted); font-size: 18px; max-width: 650px; margin-bottom: 28px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-note { margin-top: 19px; color: #8190a8; font-size: 13px; }
    .bento { display: grid; grid-template-columns: 1.08fr .92fr; gap: 14px; }
    .bento-card {
      background: var(--paper);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow);
    }
    .bento-card.large { grid-row: span 2; min-height: 290px; display: flex; flex-direction: column; justify-content: space-between; }
    .bento-card h3 { margin-bottom: 6px; }
    .bento-card p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
    .status-line { display: flex; align-items: center; justify-content: space-between; margin-bottom: 25px; }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 9px;
      border-radius: 6px;
      background: var(--blue-soft);
      color: var(--blue);
      font-size: 12px;
      font-weight: 700;
    }
    .badge.cyan { background: #e6f8fb; color: #087d91; }
    .badge.orange { background: #fff2e4; color: #b9651f; }
    .signal { display: flex; gap: 5px; align-items: end; height: 55px; }
    .signal i { width: 9px; background: #a9c6fb; border-radius: 3px 3px 0 0; }
    .signal i:nth-child(1) { height: 28%; }.signal i:nth-child(2) { height: 52%; }.signal i:nth-child(3) { height: 38%; }
    .signal i:nth-child(4) { height: 78%; background: var(--blue); }.signal i:nth-child(5) { height: 62%; background: #6f9ef1; }
    .mini-number { font-size: 35px; font-weight: 800; color: var(--blue); line-height: 1; margin: 17px 0 8px; }
    .data-band { padding: 20px 0; background: #fff; border-bottom: 1px solid var(--line); }
    .metric { padding: 8px 25px; border-right: 1px solid var(--line); }
    .metric:last-child { border-right: 0; }
    .metric-label { color: var(--muted); font-size: 13px; }
    .metric-value { font-size: 25px; font-weight: 800; color: var(--blue); line-height: 1.25; }
    .metric small { color: #8a98aa; font-size: 12px; }

    .matrix-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 16px; }
    .matrix-card { min-height: 205px; }
    .matrix-card.wide { grid-column: 1 / -1; min-height: 145px; }
    .matrix-card:hover, .entry-card:hover, .info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: #b5cdf2; }
    .card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; }
    .index { color: #9aabc2; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
    .text-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; font-size: 14px; }
    .text-link::after { content: "→"; transition: var(--ease); }
    .text-link:hover::after { transform: translateX(4px); }
    .entry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .entry-card { padding: 21px; min-height: 178px; transition: var(--ease); }
    .entry-card h3 { font-size: 18px; margin-top: 18px; }
    .entry-card p { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
    .rule-panel { background: #eef5ff; border: 1px solid #d7e6fa; border-radius: var(--radius); padding: 30px; }
    .rule-list { list-style: none; margin: 0; padding: 0; }
    .rule-list li { display: flex; gap: 15px; padding: 16px 0; border-bottom: 1px solid #d4e2f5; }
    .rule-list li:last-child { border-bottom: 0; padding-bottom: 0; }
    .rule-no { flex: 0 0 31px; height: 31px; border-radius: 8px; color: var(--blue); background: #fff; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
    .rule-list strong { display: block; margin-bottom: 2px; }
    .rule-list span { color: var(--muted); font-size: 14px; }
    .compare { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 28px; align-items: stretch; }
    .compare-divider { background: var(--line); }
    .compare-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 27px; box-shadow: var(--shadow); }
    .compare-box.recommended { border-top: 4px solid var(--blue); }
    .compare-list { list-style: none; padding: 0; margin: 20px 0 0; }
    .compare-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); color: var(--muted); font-size: 14px; }
    .compare-list li::before { content: "✓"; color: var(--cyan); font-weight: 800; margin-right: 9px; }
    .updates { display: grid; grid-template-columns: 1.35fr .65fr; gap: 28px; }
    .news-list { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
    .news-item { display: flex; gap: 18px; align-items: center; padding: 17px 22px; border-bottom: 1px solid var(--line); }
    .news-item:last-child { border-bottom: 0; }
    .news-item:hover { background: #f8fbff; }
    .news-date { color: #91a0b6; font-size: 12px; min-width: 74px; }
    .news-title { color: var(--ink); font-weight: 650; font-size: 14px; }
    .info-card { transition: var(--ease); }
    .info-card p { color: var(--muted); font-size: 14px; }
    .faq-list { border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-item summary { list-style: none; cursor: pointer; padding: 21px 4px; font-size: 17px; font-weight: 700; display: flex; justify-content: space-between; gap: 20px; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; color: var(--blue); font-size: 24px; font-weight: 400; line-height: 1; }
    .faq-item[open] summary { color: var(--blue); }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer { color: var(--muted); padding: 0 42px 22px 4px; max-width: 850px; font-size: 15px; }
    .cta-panel { background: var(--blue); color: #fff; border-radius: 20px; padding: 45px 48px; position: relative; overflow: hidden; }
    .cta-panel::after { content: ""; position: absolute; width: 260px; height: 260px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; right: -55px; top: -110px; box-shadow: 0 0 0 30px rgba(255,255,255,.04), 0 0 0 60px rgba(255,255,255,.03); }
    .cta-panel h2 { margin-bottom: 10px; position: relative; z-index: 1; }
    .cta-panel p { color: #dce9ff; max-width: 650px; position: relative; z-index: 1; }
    .cta-panel .button { position: relative; z-index: 1; background: #fff; color: var(--blue); margin-top: 10px; }
    .site-footer { background: #edf3fa; padding: 48px 0 24px; border-top: 1px solid var(--line); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 35px; padding-bottom: 32px; }
    .footer-brand { font-weight: 800; color: var(--ink); font-size: 17px; }
    .footer-desc { color: var(--muted); font-size: 14px; max-width: 350px; margin-top: 12px; }
    .footer-title { font-weight: 800; margin-bottom: 12px; }
    .footer-links { list-style: none; margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 7px; font-size: 14px; }
    .footer-links a { color: var(--muted); }
    .footer-links a:hover { color: var(--blue); padding-left: 3px; }
    .copyright { border-top: 1px solid var(--line); padding-top: 20px; color: #8492a7; font-size: 12px; display: flex; justify-content: space-between; gap: 20px; }
    .mobile-toggle { display: none; }
    .toast { display: none; margin-top: 14px; padding: 10px 14px; border-radius: 8px; background: #e7f7ed; color: #267542; font-size: 13px; }

    @media (max-width: 1024px) {
      .main-nav { gap: 0; }
      .main-nav a { padding-left: 9px; padding-right: 9px; }
      .command-search { width: 145px; }
      .brand { min-width: 205px; }
      .entry-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 767px) {
      .grid-container { padding-left: 16px; padding-right: 16px; }
      .section { padding: 63px 0; }
      .nav-wrap { min-height: 68px; gap: 10px; }
      .brand { min-width: 0; flex: 1; font-size: 13px; }
      .brand-mark { width: 34px; height: 34px; flex: 0 0 34px; }
      .main-nav, .command-search { display: none; }
      .mobile-toggle { display: inline-flex; border: 1px solid var(--line); color: var(--blue); background: #fff; border-radius: 8px; padding: 9px 12px; font-weight: 700; }
      .hero { padding: 48px 0 34px; }
      .hero-copy { padding: 0 0 25px; }
      .hero-text { font-size: 16px; }
      .bento { grid-template-columns: 1fr 1fr; }
      .bento-card { padding: 18px; }
      .bento-card.large { grid-column: 1 / -1; grid-row: auto; min-height: 220px; }
      .metric { border-right: 0; border-bottom: 1px solid var(--line); padding: 15px 10px; }
      .metric:nth-child(odd) { border-right: 1px solid var(--line); }
      .metric:nth-last-child(-n+2) { border-bottom: 0; }
      .matrix-grid, .updates { grid-template-columns: 1fr; }
      .matrix-card.wide { grid-column: auto; }
      .entry-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
      .entry-card { padding: 17px; min-height: 165px; }
      .compare { grid-template-columns: 1fr; gap: 14px; }
      .compare-divider { display: none; }
      .cta-panel { padding: 32px 24px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
      .footer-grid > div:first-child { grid-column: 1 / -1; }
      .copyright { display: block; }
      .copyright span { display: block; margin-top: 6px; }
    }
    @media (max-width: 480px) {
      h1 { font-size: 38px; }
      .hero-actions .button { width: 100%; text-align: center; }
      .bento { grid-template-columns: 1fr; }
      .bento-card.large { grid-column: auto; }
      .entry-grid { grid-template-columns: 1fr; }
      .news-item { gap: 9px; padding: 15px; align-items: flex-start; }
      .news-date { min-width: 61px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-grid > div:first-child { grid-column: auto; }
    }
    @media print {
      .site-header { position: static; }
      .hero { background: #fff; }
      .button, .mobile-toggle { display: none; }
      .section { padding: 35px 0; }
    }

/* roulang page: category1 */
:root{
      --blue:#2563eb;--blue-dark:#1749b5;--blue-soft:#eaf2ff;--cyan:#0e9fba;
      --orange:#ed8b38;--ink:#17233d;--muted:#66738d;--line:#dce6f3;
      --paper:#fff;--canvas:#f5f8fc;--radius:16px;
      --shadow:0 14px 38px rgba(37,75,135,.09);--shadow-hover:0 20px 46px rgba(37,75,135,.16);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--canvas);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    a{color:var(--blue);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .grid-container{max-width:1220px;padding-left:22px;padding-right:22px}
    .section{padding:82px 0;position:relative}
    .section-head{max-width:700px;margin-bottom:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.08em;margin-bottom:12px}
    .eyebrow:before{content:"";width:26px;height:3px;border-radius:3px;background:var(--orange)}
    h1,h2,h3{color:var(--ink);line-height:1.25;margin-top:0}
    h1{font-size:clamp(38px,5vw,60px);letter-spacing:-.045em;margin-bottom:22px}
    h2{font-size:clamp(28px,3.5vw,40px);letter-spacing:-.025em;margin-bottom:12px}
    h3{font-size:20px;margin-bottom:8px}
    .section-lead,.muted{color:var(--muted)}
    .site-header{background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;z-index:20;top:0;backdrop-filter:blur(12px)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:26px}
    .brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-weight:800;font-size:16px;line-height:1.25;min-width:230px}
    .brand:hover{color:var(--blue)}
    .brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;background:var(--blue);box-shadow:0 8px 18px rgba(37,99,235,.22);font-size:17px}
    .main-nav{display:flex;align-items:center;gap:5px;flex:1}
    .main-nav a,.mobile-nav a{color:var(--muted);padding:9px 14px;border-radius:9px;font-size:14px;font-weight:650;position:relative}
    .main-nav a:hover,.main-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{color:var(--blue);background:var(--blue-soft)}
    .main-nav a.active:after{content:"";position:absolute;height:3px;width:20px;left:50%;bottom:-13px;transform:translateX(-50%);border-radius:3px;background:var(--blue)}
    .command-search{width:180px;height:40px;display:flex;align-items:center;gap:7px;padding:0 11px;border:1px solid var(--line);border-radius:9px;background:#fbfdff;color:var(--muted)}
    .command-search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:13px;min-width:0}
    .button{border:0;border-radius:9px;margin:0;padding:12px 18px;font-weight:700;line-height:1.2;transition:var(--ease)}
    .button.primary{background:var(--blue);color:#fff}
    .button.primary:hover{background:var(--blue-dark);box-shadow:0 8px 18px rgba(37,99,235,.2);transform:translateY(-2px)}
    .button.secondary{color:var(--blue);background:#fff;border:1px solid #bcd0ed}
    .button.secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .button:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(37,99,235,.2);outline-offset:2px}
    .button:active{transform:translateY(1px);box-shadow:none}
    .button[disabled]{opacity:.48;cursor:not-allowed}
    .mobile-toggle{display:none;background:var(--blue-soft);color:var(--blue);border:0;border-radius:8px;padding:9px 12px}
    .page-hero{padding:58px 0 46px;background:linear-gradient(135deg,#f7faff,#edf5ff);border-bottom:1px solid var(--line)}
    .crumbs{font-size:13px;color:#8090aa;margin-bottom:25px}
    .crumbs a{color:var(--blue)}
    .hero-row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px}
    .hero-copy{max-width:720px}
    .hero-copy h1 span{display:block;color:var(--blue)}
    .hero-copy p{color:var(--muted);font-size:18px;max-width:680px;margin:0}
    .hero-status{width:300px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}
    .status-line{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:13px;color:var(--muted)}
    .status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#27b98a;margin-right:6px}
    .progress{height:7px;background:#e8eef8;border-radius:9px;overflow:hidden;margin-bottom:13px}
    .progress i{display:block;width:82%;height:100%;background:var(--cyan);border-radius:9px}
    .badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:6px;background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:700}
    .badge.cyan{background:#e6f8fb;color:#087d91}.badge.orange{background:#fff2e4;color:#b9651f}
    .toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:20px}
    .filter-list{display:flex;gap:8px;flex-wrap:wrap}
    .filter{border:1px solid var(--line);background:#fff;color:var(--muted);padding:8px 13px;border-radius:8px;font-size:13px;cursor:pointer}
    .filter.active,.filter:hover{background:var(--blue-soft);border-color:#b8cff1;color:var(--blue)}
    .sort-select{border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--muted);padding:8px 12px;font-size:13px}
    .entry-list{display:grid;gap:13px}
    .entry-item{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px 24px;box-shadow:var(--shadow);transition:var(--ease)}
    .entry-item:hover{transform:translateY(-4px);border-color:#b5cdf2;box-shadow:var(--shadow-hover)}
    .entry-num{width:42px;height:42px;border-radius:11px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;flex:none}
    .entry-main{flex:1;min-width:0}.entry-main h3{margin-bottom:4px}.entry-main p{margin:0;color:var(--muted);font-size:14px}
    .entry-meta{display:flex;align-items:center;gap:10px;color:#8794aa;font-size:12px;white-space:nowrap}
    .entry-action{white-space:nowrap}
    .note-panel{margin-top:20px;background:#eef8fb;border-left:4px solid var(--cyan);padding:19px 22px;border-radius:0 12px 12px 0;color:#426678}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
    .faq-question{width:100%;text-align:left;border:0;background:#fff;color:var(--ink);padding:18px 22px;font-weight:750;display:flex;justify-content:space-between;align-items:center}
    .faq-question:after{content:"+";font-size:22px;color:var(--blue);font-weight:400}
    .faq-item.open{border-color:#b5cdf2}.faq-item.open .faq-question{color:var(--blue);background:#fbfdff}.faq-item.open .faq-question:after{content:"−"}
    .faq-answer{display:none;padding:0 22px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}
    .cta-panel{background:var(--ink);color:#fff;border-radius:18px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-panel h2{color:#fff;margin-bottom:8px}.cta-panel p{color:#b9c7dc;margin:0}
    .site-footer{background:#eef3f9;border-top:1px solid var(--line);padding:52px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
    .footer-brand{color:var(--ink);font-size:18px;font-weight:800}.footer-desc{color:var(--muted);font-size:14px;max-width:330px}
    .footer-title{font-size:14px;font-weight:800;margin-bottom:12px}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:5px 0}.footer-links a{font-size:14px;color:var(--muted)}.footer-links a:hover{color:var(--blue);padding-left:3px}
    .copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#8491a6;font-size:12px}
    @media(max-width:1020px){.nav-wrap{gap:12px}.brand{min-width:205px}.command-search{width:145px}.main-nav a{padding:9px 8px}.hero-row{align-items:stretch}}
    @media(max-width:767px){
      .grid-container{padding-left:16px;padding-right:16px}.section{padding:60px 0}
      .nav-wrap{min-height:68px}.brand{min-width:0;flex:1;font-size:14px}.brand-mark{width:34px;height:34px}
      .main-nav,.command-search{display:none}.mobile-toggle{display:block}
      .mobile-nav{display:none;padding:8px 0 14px;border-top:1px solid var(--line)}.mobile-nav.show{display:grid}.mobile-nav a{display:block}
      .page-hero{padding:38px 0}.hero-row{display:block}.hero-copy h1{font-size:40px}.hero-copy p{font-size:16px}.hero-status{width:100%;margin-top:28px}
      .toolbar{display:block}.filter-list{margin-bottom:12px}.sort-select{width:100%}
      .entry-item{align-items:flex-start;gap:13px;padding:18px}.entry-meta{display:block;white-space:normal;margin-top:7px}.entry-meta .badge{margin-right:6px}.entry-action{align-self:center}
      .cta-panel{display:block;padding:30px 24px}.cta-panel .button{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}
    }
    @media print{.site-header,.mobile-toggle,.command-search,.button{display:none!important}.section{padding:25px 0}.entry-item{box-shadow:none}}

/* roulang page: category2 */
:root{
      --blue:#2563eb;
      --blue-dark:#1749b5;
      --blue-soft:#eaf2ff;
      --cyan:#0e9fba;
      --cyan-soft:#e6f8fb;
      --orange:#ed8b38;
      --orange-soft:#fff2e4;
      --ink:#17233d;
      --muted:#66738d;
      --light:#8190a8;
      --line:#dce6f3;
      --paper:#fff;
      --canvas:#f5f8fc;
      --radius:16px;
      --shadow:0 14px 38px rgba(37,75,135,.09);
      --shadow-hover:0 20px 46px rgba(37,75,135,.16);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--canvas);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.75;
      overflow-x:hidden;
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3,h4{color:var(--ink);font-weight:800;line-height:1.25}
    h1{font-size:clamp(36px,5vw,58px);letter-spacing:-.04em;margin-bottom:20px}
    h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.025em;margin-bottom:14px}
    h3{font-size:20px;margin-bottom:8px}
    p{margin-bottom:16px}
    a{color:var(--blue);text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--blue-dark)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button,.button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:3px}
    .grid-container{max-width:1220px;padding-left:22px;padding-right:22px}
    .section{padding:88px 0;position:relative}
    .section-head{max-width:700px;margin-bottom:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--blue);font-size:13px;font-weight:800;
      letter-spacing:.08em;margin-bottom:13px
    }
    .eyebrow:before{content:"";width:26px;height:3px;border-radius:3px;background:var(--orange)}
    .section-lead{color:var(--muted);max-width:680px;margin-bottom:0}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:rgba(255,255,255,.95);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(12px)
    }
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:26px}
    .brand{
      display:flex;align-items:center;gap:11px;min-width:230px;
      color:var(--ink);font-size:16px;font-weight:800;line-height:1.25
    }
    .brand:hover{color:var(--blue)}
    .brand-mark{
      width:38px;height:38px;display:grid;place-items:center;
      border-radius:11px;color:#fff;background:var(--blue);
      box-shadow:0 8px 18px rgba(37,99,235,.22);font-size:17px
    }
    .main-nav{display:flex;align-items:center;gap:5px;flex:1}
    .main-nav a,.mobile-nav a{
      position:relative;padding:9px 14px;border-radius:9px;
      color:var(--muted);font-size:14px;font-weight:700
    }
    .main-nav a:hover,.main-nav a.active,.mobile-nav a:hover,.mobile-nav a.active{
      color:var(--blue);background:var(--blue-soft)
    }
    .main-nav a.active:after{
      content:"";position:absolute;left:50%;bottom:-13px;
      width:20px;height:3px;border-radius:3px;background:var(--blue);
      transform:translateX(-50%)
    }
    .command-search{
      width:180px;height:40px;display:flex;align-items:center;gap:7px;
      padding:0 11px;border:1px solid var(--line);border-radius:9px;
      background:#fbfdff;color:var(--muted)
    }
    .command-search input{
      width:100%;min-width:0;border:0;outline:0;background:transparent;
      color:var(--ink);font-size:13px
    }
    .search-icon{font-size:17px;color:var(--blue)}
    .button{
      margin:0;border-radius:9px;padding:12px 18px;
      font-weight:800;line-height:1.2;transition:var(--ease)
    }
    .button.primary{color:#fff;background:var(--blue)}
    .button.primary:hover{color:#fff;background:var(--blue-dark);box-shadow:0 8px 18px rgba(37,99,235,.2);transform:translateY(-2px)}
    .button.secondary{color:var(--blue);background:#fff;border:1px solid #bcd0ed}
    .button.secondary:hover{color:var(--blue-dark);background:var(--blue-soft);border-color:var(--blue);transform:translateY(-2px)}
    .button:active{transform:translateY(1px);box-shadow:none}
    .button[disabled]{opacity:.48;cursor:not-allowed}
    .mobile-toggle{display:none;color:var(--ink);font-size:24px;border:0;background:transparent;padding:8px}
    .mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line)}
    .mobile-nav a{display:block;margin:3px 0}
    .page-hero{
      padding:54px 0 66px;
      background:
        linear-gradient(rgba(37,99,235,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(37,99,235,.035) 1px,transparent 1px),
        #f7faff;
      background-size:34px 34px;border-bottom:1px solid var(--line)
    }
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--light);font-size:13px;margin-bottom:28px}
    .breadcrumb a{font-weight:700}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
    .page-hero h1 span{display:block;color:var(--blue)}
    .hero-text{max-width:650px;color:var(--muted);font-size:18px;margin-bottom:25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{margin-top:17px;color:var(--light);font-size:13px}
    .summary-panel{
      position:relative;padding:26px;background:var(--paper);
      border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
      overflow:hidden
    }
    .summary-panel:before{
      content:"";position:absolute;right:-50px;top:-60px;width:170px;height:170px;
      border:1px solid #cfe0fa;border-radius:50%
    }
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}
    .panel-label{font-size:13px;color:var(--muted);font-weight:800;letter-spacing:.04em}
    .badge{
      display:inline-flex;align-items:center;padding:4px 9px;border-radius:6px;
      background:var(--blue-soft);color:var(--blue);font-size:12px;font-weight:800
    }
    .badge.cyan{background:var(--cyan-soft);color:#087d91}
    .badge.orange{background:var(--orange-soft);color:#b9651f}
    .summary-number{font-size:48px;font-weight:850;line-height:1;color:var(--blue);margin-bottom:8px}
    .summary-panel p{color:var(--muted);font-size:14px}
    .signal-list{display:grid;gap:13px;margin-top:23px}
    .signal-item{display:grid;grid-template-columns:90px 1fr 50px;gap:12px;align-items:center;font-size:13px}
    .signal-item span:first-child{color:var(--muted)}
    .signal-bar{height:7px;background:#edf2f8;border-radius:8px;overflow:hidden}
    .signal-bar i{display:block;height:100%;border-radius:8px;background:var(--blue)}
    .signal-item strong{text-align:right;color:var(--ink);font-size:12px}
    .filter-wrap{padding:22px 0;background:#fff;border-bottom:1px solid var(--line)}
    .filter-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .filter-label{font-size:13px;color:var(--muted);font-weight:800;margin-right:5px}
    .filter-button{
      border:1px solid var(--line);border-radius:8px;background:#fff;
      color:var(--muted);padding:8px 13px;font-size:13px;font-weight:700;
      transition:var(--ease)
    }
    .filter-button:hover,.filter-button.active{color:var(--blue);border-color:#aac5ee;background:var(--blue-soft)}
    .filter-search{margin-left:auto;display:flex;align-items:center;gap:8px;width:230px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:9px;background:#fbfdff}
    .filter-search input{width:100%;border:0;outline:0;background:transparent;font-size:13px}
    .entry-section{padding:70px 0 88px}
    .entry-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,.5fr);gap:28px;align-items:start}
    .entry-list{display:grid;gap:13px}
    .entry-card{
      display:grid;grid-template-columns:48px 1fr auto;gap:18px;align-items:center;
      padding:22px 24px;background:#fff;border:1px solid var(--line);
      border-radius:14px;box-shadow:0 8px 24px rgba(37,75,135,.05);
      transition:var(--ease)
    }
    .entry-index{
      width:44px;height:44px;display:grid;place-items:center;border-radius:12px;
      color:var(--blue);background:var(--blue-soft);font-weight:850
    }
    .entry-main h3{font-size:18px;margin-bottom:5px}
    .entry-main p{color:var(--muted);font-size:14px;margin:0 0 8px}
    .entry-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--light);font-size:12px}
    .entry-card .button{white-space:nowrap;font-size:13px;padding:10px 14px}
    .side-card{
      padding:24px;background:#fff;border:1px solid var(--line);
      border-radius:16px;box-shadow:var(--shadow)
    }
    .side-card + .side-card{margin-top:16px}
    .side-card h3{font-size:18px;margin-bottom:12px}
    .side-card p{color:var(--muted);font-size:14px}
    .check-list{list-style:none;margin:0;padding:0}
    .check-list li{position:relative;padding:10px 0 10px 24px;border-bottom:1px solid #edf2f8;color:var(--muted);font-size:14px}
    .check-list li:last-child{border-bottom:0}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:900}
    .comparison-section{padding:86px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-card{padding:27px;border:1px solid var(--line);border-radius:16px;background:var(--canvas)}
    .compare-card.recommended{background:#f4f8ff;border-color:#b9d0f5;box-shadow:var(--shadow)}
    .compare-card h3{display:flex;justify-content:space-between;align-items:center;font-size:21px}
    .compare-card p{color:var(--muted);font-size:14px}
    .compare-list{list-style:none;margin:18px 0 0;padding:0}
    .compare-list li{display:flex;justify-content:space-between;gap:18px;padding:13px 0;border-top:1px solid var(--line);font-size:14px}
    .compare-list span{color:var(--muted)}
    .compare-list strong{color:var(--ink);text-align:right}
    .path-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:24px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
    .path-step{position:relative;padding:18px 21px;border-right:1px solid var(--line)}
    .path-step:last-child{border-right:0}
    .path-step b{display:block;color:var(--blue);font-size:12px;margin-bottom:4px}
    .path-step span{font-size:14px;font-weight:700}
    .faq-section{padding:88px 0}
    .faq-list{max-width:880px;margin:0 auto}
    .accordion{background:transparent}
    .accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:#fff}
    .accordion-title{border:0!important;color:var(--ink);font-size:16px;font-weight:800;padding:20px 24px}
    .accordion-title:hover{color:var(--blue);background:var(--blue-soft)}
    .accordion-content{border:0!important;background:#fbfdff;color:var(--muted);font-size:14px;padding:0 24px 20px}
    .cta-section{padding:72px 0}
    .cta-box{
      display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
      padding:35px 40px;border-radius:18px;background:var(--blue);
      box-shadow:0 18px 40px rgba(37,99,235,.2);position:relative;overflow:hidden
    }
    .cta-box:after{content:"";position:absolute;width:230px;height:230px;right:12%;top:-160px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .cta-box h2,.cta-box p{position:relative;z-index:1;color:#fff}
    .cta-box h2{margin-bottom:8px}
    .cta-box p{color:#dce8ff;max-width:650px;margin:0}
    .cta-box .button{position:relative;z-index:1;background:#fff;color:var(--blue);white-space:nowrap}
    .site-footer{padding:52px 0 24px;background:#edf3fa;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:34px}
    .footer-brand{display:inline-block;color:var(--ink);font-size:18px;font-weight:850;margin-bottom:12px}
    .footer-brand:hover{color:var(--blue)}
    .footer-desc{max-width:360px;color:var(--muted);font-size:14px;margin:0}
    .footer-title{margin-bottom:12px;color:var(--ink);font-weight:800;font-size:14px}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin:7px 0}
    .footer-links a{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--blue);padding-left:3px}
    .copyright{display:flex;justify-content:space-between;gap:20px;padding-top:21px;border-top:1px solid var(--line);color:var(--light);font-size:12px}
    @media(max-width:1050px){
      .nav-wrap{gap:15px}.brand{min-width:205px}.main-nav a{padding-left:9px;padding-right:9px}
      .command-search{width:145px}.hero-layout{gap:30px}
    }
    @media(max-width:800px){
      .main-nav,.nav-wrap>.command-search,.nav-wrap>.button{display:none}
      .mobile-toggle{display:block;margin-left:auto}
      .mobile-nav.is-open{display:block}
      .hero-layout,.entry-layout{grid-template-columns:1fr}
      .page-hero{padding-top:38px}.summary-panel{max-width:600px}
      .entry-layout{gap:22px}.side-column{display:grid;grid-template-columns:1fr 1fr;gap:15px}.side-card+.side-card{margin-top:0}
      .filter-search{margin-left:0;width:100%}
      .cta-box{grid-template-columns:1fr;padding:30px}
    }
    @media(max-width:600px){
      .grid-container{padding-left:16px;padding-right:16px}
      .section,.faq-section,.entry-section{padding:62px 0}
      .brand{min-width:0;font-size:14px}.brand-mark{width:34px;height:34px}
      .breadcrumb{margin-bottom:20px}
      h1{font-size:36px}.hero-text{font-size:16px}
      .hero-actions .button{flex:1;text-align:center}
      .filter-row{display:grid;grid-template-columns:repeat(2,1fr)}
      .filter-label{grid-column:1/-1}.filter-search{grid-column:1/-1}
      .filter-button{text-align:center}
      .entry-card{grid-template-columns:40px 1fr;gap:13px;padding:18px}
      .entry-index{width:38px;height:38px}.entry-card>.button{grid-column:2;justify-self:start}
      .side-column{grid-template-columns:1fr}
      .compare-grid{grid-template-columns:1fr}.path-strip{grid-template-columns:1fr}
      .path-step{border-right:0;border-bottom:1px solid var(--line)}.path-step:last-child{border-bottom:0}
      .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:7px}
    }
    @media print{
      .site-header,.filter-wrap,.cta-section{display:none}
      body{background:#fff}.section,.faq-section,.entry-section{padding:25px 0}
      .entry-card,.side-card,.compare-card{box-shadow:none}
    }