/* roulang page: index */
:root{
      --bg:#06111f;--bg2:#0a1630;--panel:rgba(12,28,55,.74);--panel2:#102344;
      --primary:#2f80ff;--cyan:#22e6c3;--violet:#8b5cf6;--amber:#f5b84b;
      --text:#f3f7ff;--muted:#aabbd3;--ink:#14243d;--line:rgba(117,174,255,.2);
      --light:#f7faff;--shadow:0 20px 60px rgba(0,80,180,.22);--radius:18px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input,select,textarea{font:inherit}
    .container{max-width:1220px}
    .site-nav{background:#f8fbff;border-bottom:1px solid #e5edf7;box-shadow:0 4px 20px rgba(20,47,83,.08);position:sticky;top:0;z-index:1000}
    .navbar{min-height:76px}
    .navbar-brand{display:flex;align-items:center;gap:11px;color:var(--ink)!important;font-weight:800;font-size:18px;white-space:normal}
    .brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--cyan));display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px rgba(47,128,255,.3)}
    .brand-mark span{display:grid;grid-template-columns:repeat(3,5px);gap:3px}
    .brand-mark i{width:5px;height:5px;border-radius:1px;background:#fff}
    .navbar-nav{gap:5px}
    .nav-link{color:#56677e!important;border-radius:10px;padding:10px 13px!important;font-size:14px;font-weight:600}
    .nav-link:hover,.nav-link.active{color:var(--primary)!important;background:#eaf3ff}
    .nav-search{display:flex;align-items:center;background:#edf3f9;border:1px solid #e0e9f3;border-radius:999px;padding:4px 12px;max-width:205px}
    .nav-search i{color:#6c86a4}
    .nav-search input{width:155px;border:0;outline:0;background:transparent;padding:5px 7px;color:var(--ink);font-size:13px}
    .btn{border-radius:12px;font-weight:700;padding:11px 18px;border:1px solid transparent;transition:.25s ease}
    .btn-primary{background:linear-gradient(100deg,#2f80ff,#18a0fb);border-color:#4ca9ff;color:#fff;box-shadow:0 8px 22px rgba(47,128,255,.25)}
    .btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,128,255,.42)}
    .btn-glass{border-color:rgba(118,185,255,.38);color:#dcecff;background:rgba(255,255,255,.05)}
    .btn-glass:hover{color:#fff;border-color:var(--cyan);background:rgba(34,230,195,.1)}
    .hero{position:relative;overflow:hidden;padding:92px 0 72px;background:linear-gradient(120deg,#06111f 0%,#0a1731 60%,#071a2c 100%);border-bottom:1px solid rgba(88,167,255,.16)}
    .hero:before{content:"";position:absolute;inset:0;opacity:.3;background-image:linear-gradient(rgba(104,166,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(104,166,255,.09) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,#000,transparent)}
    .hero:after{content:"";position:absolute;left:9%;right:9%;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--primary),transparent);box-shadow:0 0 20px var(--primary)}
    .hero .container{position:relative;z-index:1}
    .eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:1px;font-weight:800;text-transform:uppercase}
    h1,h2,h3{margin:0;font-weight:800;line-height:1.25;letter-spacing:0}
    h1{font-size:clamp(32px,4.5vw,56px);max-width:780px}
    h2{font-size:clamp(26px,3vw,36px)}
    h3{font-size:20px}
    .hero-copy{max-width:760px;color:#b8c9df;font-size:17px;margin:20px 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;margin-top:52px}
    .hero-panel,.metric-card,.glass-card,.faq .accordion-item,.form-shell{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
    .hero-panel{border-radius:var(--radius);padding:24px}
    .panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:16px}
    .panel-title{font-size:14px;font-weight:800}
    .status{display:inline-flex;align-items:center;gap:6px;color:#b9d3ee;font-size:12px}
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
    .zone-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .zone-link{min-height:118px;padding:16px;border:1px solid rgba(96,163,247,.22);border-radius:14px;background:rgba(19,47,86,.56);display:flex;flex-direction:column;justify-content:space-between}
    .zone-link:hover{border-color:var(--cyan);transform:translateY(-2px);background:rgba(23,64,104,.7)}
    .zone-no{font-family:monospace;color:var(--cyan);font-size:13px}
    .zone-link strong{font-size:18px}
    .zone-link small{color:var(--muted);font-size:12px}
    .signal-list{display:grid;gap:13px}
    .signal{display:flex;gap:12px;align-items:flex-start;padding-bottom:13px;border-bottom:1px solid var(--line)}
    .signal:last-child{border-bottom:0;padding-bottom:0}
    .signal i{color:var(--cyan);font-size:18px}
    .signal b{display:block;font-size:14px}
    .signal span{display:block;color:var(--muted);font-size:13px}
    .section{padding:86px 0}
    .section-dark{background:#08172a}
    .section-light{background:var(--light);color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head p{max-width:570px;color:var(--muted);margin:10px 0 0}
    .section-light .section-head p{color:#60728a}
    .metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
    .metric-card{padding:22px 18px;border-radius:15px;min-height:150px}
    .metric-card:nth-child(2){border-color:rgba(34,230,195,.28)}.metric-card:nth-child(3){border-color:rgba(139,92,246,.32)}.metric-card:nth-child(4){border-color:rgba(245,184,75,.3)}
    .metric-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}
    .metric-value{font-family:monospace;font-size:30px;font-weight:800;margin:14px 0 5px;color:#fff}
    .metric-note{font-size:12px;color:#8fa6c2}
    .matrix{display:grid;grid-template-columns:1.12fr .88fr;gap:18px}
    .matrix-left{display:grid;gap:18px}.matrix-right{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .glass-card{padding:24px;border-radius:var(--radius);height:100%}
    .matrix-feature{min-height:210px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-feature .matrix-icon{font-size:30px;color:var(--cyan)}
    .matrix-small{min-height:160px;padding:20px}
    .matrix-small h3{font-size:17px;margin:12px 0 5px}
    .card-copy{color:var(--muted);font-size:14px;margin:8px 0 18px}
    .tag{display:inline-block;border-radius:999px;padding:4px 9px;font-size:11px;font-weight:700;margin:2px 3px 2px 0;background:rgba(47,128,255,.16);color:#8fc1ff;border:1px solid rgba(47,128,255,.25)}
    .tag-cyan{background:rgba(34,230,195,.1);color:var(--cyan);border-color:rgba(34,230,195,.25)}
    .tag-violet{background:rgba(139,92,246,.12);color:#c0a9ff;border-color:rgba(139,92,246,.3)}
    .tag-amber{background:rgba(245,184,75,.1);color:var(--amber);border-color:rgba(245,184,75,.25)}
    .arrow-link{font-size:13px;color:#8fc1ff;font-weight:700}.arrow-link:hover{color:var(--cyan)}
    .compare-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(10,27,51,.7)}
    .compare-table{margin:0;color:#d9e8fb;vertical-align:middle}
    .compare-table>:not(caption)>*>*{background:transparent;border-color:var(--line);padding:17px 20px}
    .compare-table thead th{background:#11294a;color:#fff;font-size:13px}
    .compare-table tbody tr:hover{background:rgba(47,128,255,.08)}
    .compare-table td{color:#aabbd3;font-size:14px}
    .check{color:var(--cyan);font-size:18px}.muted-check{color:#647c9a;font-size:18px}
    .faq .accordion{display:grid;gap:10px}
    .faq .accordion-item{border-radius:13px!important;overflow:hidden}
    .faq .accordion-button{background:transparent;color:#eef6ff;box-shadow:none;font-weight:700;padding:19px 21px}
    .faq .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(34,230,195,.06)}
    .faq .accordion-button:after{filter:invert(1);opacity:.75}
    .faq .accordion-body{color:var(--muted);font-size:14px;padding:0 21px 20px}
    .form-shell{border-radius:22px;padding:34px}
    .form-control,.form-select{background:rgba(4,15,30,.75);border:1px solid rgba(109,163,226,.26);color:#eaf4ff;border-radius:11px;padding:12px 14px}
    .form-control::placeholder{color:#7188a4}.form-control:focus,.form-select:focus{color:#fff;background:#081a33;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,128,255,.16)}
    .form-label{font-size:13px;color:#c2d3e8;font-weight:600;margin-bottom:7px}
    .form-select option{background:#0a1630;color:#fff}
    .form-check-input{background-color:#07182e;border-color:#6284aa}.form-check-input:checked{background-color:var(--primary);border-color:var(--primary)}
    .form-check-label{color:#9fb5cf;font-size:13px}
    .trust-strip{display:flex;gap:20px;flex-wrap:wrap;margin-top:23px;color:#91a9c3;font-size:12px}
    .trust-strip span{display:inline-flex;align-items:center;gap:6px}.trust-strip i{color:var(--cyan)}
    .footer{background:#040c17;border-top:1px solid rgba(90,160,255,.14);padding:52px 0 24px;color:#9eb1c8}
    .footer-brand{color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}.footer p{font-size:13px;max-width:380px}
    .footer h4{font-size:14px;color:#eaf3ff;margin-bottom:14px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:var(--cyan)}
    .footer-bottom{border-top:1px solid rgba(125,169,220,.14);margin-top:35px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .age-notice{background:rgba(245,184,75,.08);border:1px solid rgba(245,184,75,.28);color:#e7c987;border-radius:10px;padding:12px 15px;font-size:13px}
    .modal-content{background:#0a1a32;color:#edf5ff;border:1px solid rgba(91,165,255,.3);border-radius:18px;box-shadow:0 20px 70px rgba(0,0,0,.45)}
    .modal-header,.modal-footer{border-color:var(--line)}.btn-close{filter:invert(1)}
    @media(max-width:1199px){.metrics{grid-template-columns:repeat(3,1fr)}.navbar-nav{gap:0}.nav-search{max-width:170px}}
    @media(max-width:991px){.hero{padding-top:68px}.hero-grid{grid-template-columns:1fr}.navbar-collapse{padding:15px 0}.nav-search{max-width:none;margin:10px 0}.nav-search input{width:100%}.matrix{grid-template-columns:1fr}.section{padding:68px 0}}
    @media(max-width:767px){.navbar{min-height:68px}.navbar-brand{font-size:15px;max-width:250px}.brand-mark{width:34px;height:34px}.hero{padding:55px 0 48px}h1{font-size:34px}.hero-copy{font-size:15px}.hero-grid{margin-top:35px}.zone-grid{grid-template-columns:1fr}.zone-link{min-height:96px}.metrics{grid-template-columns:1fr 1fr}.section{padding:55px 0}.section-head{display:block;margin-bottom:22px}.matrix-right{grid-template-columns:1fr}.compare-wrap{overflow-x:auto}.compare-table{min-width:650px}.form-shell{padding:23px 17px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}}
    @media(max-width:520px){.metrics{grid-template-columns:1fr}.hero-actions .btn{width:100%}.hero-panel{padding:18px}.section-head h2{font-size:27px}}

/* roulang page: category2 */
:root {
      --bg: #06111f;
      --bg-soft: #0a1630;
      --panel: rgba(12, 31, 58, .72);
      --panel-strong: #0d2343;
      --primary: #2f80ff;
      --cyan: #22e6c3;
      --violet: #8b5cf6;
      --amber: #f5b84b;
      --text: #eef5ff;
      --muted: #9bb0ca;
      --ink: #14243a;
      --nav-bg: #f8fbff;
      --border: rgba(89, 164, 255, .24);
      --shadow: 0 20px 60px rgba(0, 53, 132, .24);
      --radius: 18px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--bg);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: all .25s ease; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; display: block; }
    :focus-visible { outline: 3px solid rgba(34, 230, 195, .7); outline-offset: 3px; }
    .container { max-width: 1220px; }
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--nav-bg);
      border-bottom: 1px solid #dce8f5;
      box-shadow: 0 8px 24px rgba(15, 49, 92, .08);
    }
    .site-nav .navbar { min-height: 78px; padding: 12px 0; }
    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-size: 19px;
      font-weight: 800;
      white-space: nowrap;
    }
    .navbar-brand:hover { color: var(--primary); }
    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border: 2px solid var(--primary);
      border-radius: 9px;
      transform: rotate(45deg);
      box-shadow: 0 0 16px rgba(47, 128, 255, .25);
    }
    .brand-mark > span { display: grid; grid-template-columns: repeat(3, 5px); gap: 3px; transform: rotate(-45deg); }
    .brand-mark i { width: 5px; height: 5px; display: block; background: var(--primary); border-radius: 1px; }
    .brand-mark i:nth-child(2n) { background: var(--cyan); }
    .navbar-nav { gap: 5px; }
    .nav-link {
      color: #5e718a !important;
      font-size: 14px;
      font-weight: 700;
      padding: 9px 13px !important;
      border-radius: 10px;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary) !important;
      background: #eaf3ff;
    }
    .nav-search {
      width: 220px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      background: #edf3f9;
      border: 1px solid #dbe6f1;
      border-radius: 999px;
      color: #7990aa;
    }
    .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(47,128,255,.11); }
    .nav-search input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
    .nav-search input::placeholder { color: #8ca0b6; }
    .btn {
      border-radius: 999px;
      padding: 11px 19px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      color: #fff;
      background: linear-gradient(100deg, #2677f5, #20bce0);
      box-shadow: 0 8px 22px rgba(47, 128, 255, .3);
    }
    .btn-primary:hover { color: #fff; box-shadow: 0 12px 30px rgba(34, 184, 236, .4); }
    .btn-ghost {
      color: var(--text);
      background: rgba(255,255,255,.05);
      border-color: var(--border);
    }
    .btn-ghost:hover { color: #fff; border-color: var(--cyan); background: rgba(34,230,195,.1); }
    .btn-small { padding: 7px 13px; font-size: 13px; }
    .hero-inner {
      position: relative;
      padding: 72px 0 50px;
      background:
        linear-gradient(rgba(47,128,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,128,255,.06) 1px, transparent 1px),
        linear-gradient(135deg, #06111f, #0b1b35 55%, #07111f);
      background-size: 38px 38px, 38px 38px, auto;
      border-bottom: 1px solid rgba(76, 150, 245, .18);
      overflow: hidden;
    }
    .hero-inner::after {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      bottom: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--cyan), transparent);
      opacity: .7;
    }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 12px;
      letter-spacing: 0;
      font-weight: 800;
      text-transform: uppercase;
    }
    .eyebrow::before, .section-kicker::before {
      content: "";
      width: 8px; height: 8px;
      background: var(--cyan);
      box-shadow: 0 0 12px var(--cyan);
      transform: rotate(45deg);
    }
    h1, h2, h3, h4 { margin-top: 0; font-weight: 800; line-height: 1.25; }
    h1 { max-width: 760px; margin: 18px 0 16px; font-size: clamp(2rem, 4.2vw, 3.4rem); color: #fff; }
    h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); }
    .hero-copy { max-width: 700px; color: #adc1da; font-size: 17px; margin-bottom: 26px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .promo-stamp {
      position: absolute;
      right: 10%;
      top: 54px;
      width: 116px;
      height: 116px;
      display: grid;
      place-items: center;
      text-align: center;
      color: #101a2a;
      background: var(--amber);
      clip-path: polygon(50% 0%, 61% 12%, 78% 7%, 83% 24%, 100% 31%, 88% 47%, 98% 63%, 81% 72%, 79% 91%, 61% 86%, 49% 100%, 38% 87%, 20% 93%, 17% 74%, 0% 65%, 11% 49%, 1% 32%, 19% 24%, 23% 7%, 40% 13%);
      font-size: 14px;
      font-weight: 900;
      transform: rotate(-8deg);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 12px;
      margin-top: 46px;
    }
    .zone-strip {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 17px 18px;
      min-height: 88px;
      background: rgba(9, 27, 52, .75);
      border: 1px solid var(--border);
      border-left: 3px solid var(--primary);
      border-radius: 13px;
      box-shadow: var(--shadow);
    }
    .zone-strip:nth-child(2) { border-left-color: var(--violet); }
    .zone-strip:nth-child(3) { border-left-color: var(--cyan); }
    .zone-number { font: 800 26px/1 monospace; color: var(--primary); }
    .zone-strip:nth-child(2) .zone-number { color: var(--violet); }
    .zone-strip:nth-child(3) .zone-number { color: var(--cyan); }
    .zone-strip strong { display: block; color: #fff; font-size: 15px; }
    .zone-strip small { color: var(--muted); font-size: 12px; }
    .section { padding: 82px 0; }
    .section-dark { background: #071321; }
    .section-heading { margin-bottom: 30px; }
    .section-heading h2 { margin: 10px 0 9px; color: #fff; }
    .section-heading p { max-width: 640px; color: var(--muted); margin: 0; }
    .filter-bar {
      padding: 18px;
      background: rgba(9, 28, 54, .78);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .form-label { color: #c4d5e8; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
    .form-control, .form-select {
      color: #eaf3ff;
      background-color: rgba(3, 15, 31, .72);
      border: 1px solid rgba(120, 174, 232, .25);
      border-radius: 10px;
      min-height: 44px;
      padding: 9px 13px;
    }
    .form-control::placeholder { color: #7890aa; }
    .form-control:focus, .form-select:focus {
      color: #fff;
      background-color: rgba(3, 15, 31, .9);
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(47,128,255,.13);
    }
    .form-select option { color: #14243a; }
    .filter-note {
      display: flex;
      align-items: center;
      gap: 7px;
      height: 100%;
      color: #a8c1dc;
      font-size: 13px;
      padding-top: 23px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 7px;
      font-size: 11px;
      font-weight: 800;
      border: 1px solid transparent;
    }
    .badge-blue { color: #91bdff; background: rgba(47,128,255,.13); border-color: rgba(47,128,255,.3); }
    .badge-cyan { color: #6ff5db; background: rgba(34,230,195,.1); border-color: rgba(34,230,195,.28); }
    .badge-violet { color: #c3a9ff; background: rgba(139,92,246,.13); border-color: rgba(139,92,246,.3); }
    .badge-amber { color: #ffd781; background: rgba(245,184,75,.12); border-color: rgba(245,184,75,.3); }
    .compare-panel, .timeline-item, .side-panel, .cta-panel {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .compare-panel { overflow: hidden; }
    .compare-table { margin: 0; color: var(--muted); vertical-align: middle; }
    .compare-table > :not(caption) > * > * { padding: 17px 18px; border-color: rgba(104, 164, 225, .16); background: transparent; }
    .compare-table thead th { color: #fff; background: rgba(47,128,255,.12); font-size: 13px; white-space: nowrap; }
    .compare-table tbody th { color: #d8e7fa; font-size: 14px; font-weight: 700; }
    .compare-table tbody tr:hover > * { background: rgba(47,128,255,.07); color: #fff; }
    .status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 7px; background: var(--cyan); box-shadow: 0 0 11px var(--cyan); }
    .status-dot.violet { background: var(--violet); box-shadow: 0 0 11px var(--violet); }
    .status-dot.amber { background: var(--amber); box-shadow: 0 0 11px var(--amber); }
    .timeline { position: relative; padding-left: 25px; }
    .timeline::before { content: ""; position: absolute; left: 7px; top: 10px; bottom: 10px; width: 1px; background: linear-gradient(var(--cyan), rgba(47,128,255,.15)); }
    .timeline-item { position: relative; padding: 21px 23px; margin-bottom: 16px; }
    .timeline-item::before { content: ""; position: absolute; left: -24px; top: 28px; width: 12px; height: 12px; border: 3px solid var(--bg); border-radius: 50%; background: var(--cyan); box-shadow: 0 0 13px var(--cyan); }
    .timeline-item h3 { color: #fff; font-size: 18px; margin: 10px 0 7px; }
    .timeline-item p { color: var(--muted); font-size: 14px; margin: 0 0 12px; }
    .item-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; color: #7791ae; font-size: 12px; }
    .side-panel { padding: 23px; height: 100%; }
    .side-panel h3 { color: #fff; font-size: 18px; margin-bottom: 17px; }
    .side-list { list-style: none; padding: 0; margin: 0; }
    .side-list li { display: flex; justify-content: space-between; gap: 10px; padding: 13px 0; border-bottom: 1px solid rgba(120,174,232,.14); color: #b7cbe1; font-size: 13px; }
    .side-list li:last-child { border-bottom: 0; }
    .side-list a:hover { color: var(--cyan); }
    .notice-box { margin-top: 22px; padding: 14px; border-radius: 11px; color: #c9d7e8; background: rgba(245,184,75,.08); border: 1px solid rgba(245,184,75,.23); font-size: 13px; }
    .pagination { gap: 7px; margin-top: 28px; }
    .page-link {
      color: #a9c1dc;
      background: rgba(12,31,58,.8);
      border: 1px solid var(--border);
      border-radius: 9px !important;
      min-width: 38px;
      text-align: center;
    }
    .page-link:hover { color: #fff; background: rgba(47,128,255,.22); border-color: var(--primary); }
    .page-item.active .page-link { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 0 17px rgba(47,128,255,.38); }
    .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: transparent; }
    .accordion-item { margin-bottom: 10px; background: var(--panel); border: 1px solid var(--border) !important; border-radius: 13px !important; overflow: hidden; }
    .accordion-button { color: #eaf3ff; background: transparent; box-shadow: none !important; font-weight: 700; padding: 18px 20px; }
    .accordion-button:not(.collapsed) { color: var(--cyan); background: rgba(34,230,195,.06); }
    .accordion-button::after { filter: invert(1); }
    .accordion-body { color: var(--muted); padding: 0 20px 19px; font-size: 14px; }
    .cta-panel { position: relative; padding: 40px; overflow: hidden; }
    .cta-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(47,128,255,.14), transparent 62%); pointer-events: none; }
    .cta-panel > * { position: relative; }
    .cta-panel h2 { color: #fff; margin-bottom: 10px; }
    .cta-panel p { color: var(--muted); margin-bottom: 20px; max-width: 660px; }
    .footer { padding: 58px 0 24px; background: #040b15; border-top: 1px solid rgba(80,160,255,.16); }
    .footer-brand { color: #fff; font-size: 21px; font-weight: 800; margin-bottom: 12px; }
    .footer p { color: #8298b0; max-width: 570px; font-size: 14px; margin-bottom: 16px; }
    .footer h4 { color: #dcecff; font-size: 14px; margin-bottom: 15px; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: #8298b0; font-size: 13px; }
    .footer-links a:hover { color: var(--cyan); }
    .age-notice { display: inline-flex; align-items: center; color: #ffd681; background: rgba(245,184,75,.08); border: 1px solid rgba(245,184,75,.23); border-radius: 8px; padding: 7px 11px; font-size: 12px; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 15px; flex-wrap: wrap; margin-top: 42px; padding-top: 19px; border-top: 1px solid rgba(120,174,232,.13); color: #647b95; font-size: 12px; }
    @media (max-width: 1199px) {
      .nav-search { width: 180px; }
      .nav-link { padding-left: 9px !important; padding-right: 9px !important; }
      .promo-stamp { right: 4%; }
    }
    @media (max-width: 991px) {
      .site-nav .navbar { min-height: 70px; }
      .navbar-collapse { padding-top: 14px; }
      .navbar-nav { gap: 3px; }
      .nav-search { width: 100%; margin-top: 8px; }
      .hero-inner { padding-top: 56px; }
      .promo-stamp { top: 35px; right: 6%; transform: scale(.78) rotate(-8deg); transform-origin: top right; }
      .hero-copy { padding-right: 100px; }
      .hero-grid { grid-template-columns: 1fr 1fr; }
      .hero-grid .zone-strip:last-child { grid-column: span 2; }
      .section { padding: 64px 0; }
    }
    @media (max-width: 767px) {
      h1 { font-size: 2rem; }
      .hero-inner { padding: 48px 0 38px; }
      .hero-copy { padding-right: 0; font-size: 15px; }
      .promo-stamp { position: relative; top: auto; right: auto; margin: 26px 0 0 auto; }
      .hero-grid { grid-template-columns: 1fr; margin-top: 28px; }
      .hero-grid .zone-strip:last-child { grid-column: auto; }
      .section { padding: 52px 0; }
      .filter-note { padding-top: 8px; height: auto; }
      .compare-panel { overflow-x: auto; }
      .compare-table { min-width: 620px; }
      .cta-panel { padding: 28px 22px; }
      .footer-bottom { display: grid; gap: 8px; }
    }
    @media (max-width: 520px) {
      .navbar-brand { font-size: 15px; }
      .brand-mark { width: 30px; height: 30px; }
      .hero-actions .btn { width: 100%; }
      .zone-strip { min-height: 76px; }
      .timeline { padding-left: 19px; }
      .timeline-item { padding: 18px; }
      .timeline-item::before { left: -19px; }
    }

/* roulang page: category1 */
:root {
      --bg: #06111f;
      --bg-deep: #040b16;
      --panel: rgba(10, 24, 48, .72);
      --panel-soft: rgba(16, 34, 64, .62);
      --primary: #2f80ff;
      --cyan: #22e6c3;
      --violet: #8b5cf6;
      --amber: #f5b84b;
      --text: #f4f8ff;
      --muted: #9eafc7;
      --line: rgba(111, 171, 255, .22);
      --shadow: 0 20px 60px rgba(0, 80, 180, .22);
      --radius: 18px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--bg);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: .25s ease; }
    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(34, 230, 195, .45);
      outline-offset: 3px;
    }
    .container { max-width: 1240px; }
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #f8fafc;
      border-bottom: 1px solid #e6edf6;
      box-shadow: 0 6px 22px rgba(5, 20, 45, .08);
    }
    .navbar { min-height: 78px; }
    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #10213d;
      font-weight: 800;
      white-space: nowrap;
    }
    .navbar-brand:hover { color: var(--primary); }
    .brand-mark {
      display: grid;
      place-items: center;
      width: 34px;
      height: 34px;
      border: 1px solid var(--primary);
      border-radius: 9px;
      background: #eaf3ff;
      box-shadow: inset 0 0 14px rgba(47, 128, 255, .18);
    }
    .brand-mark span {
      display: grid;
      grid-template-columns: repeat(3, 5px);
      gap: 3px;
    }
    .brand-mark i {
      display: block;
      width: 5px;
      height: 5px;
      border-radius: 1px;
      background: var(--primary);
    }
    .brand-mark i:nth-child(2n) { background: var(--cyan); }
    .nav-link {
      position: relative;
      margin: 0 3px;
      padding: 9px 13px !important;
      color: #5a6b83 !important;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 700;
    }
    .nav-link:hover, .nav-link.active {
      color: #1266d7 !important;
      background: #eaf3ff;
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      right: 13px;
      bottom: 3px;
      left: 13px;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 10px rgba(47,128,255,.7);
    }
    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 210px;
      padding: 7px 12px;
      color: #73839a;
      background: #f0f4f9;
      border: 1px solid #e1e9f2;
      border-radius: 999px;
    }
    .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,128,255,.12); }
    .nav-search input {
      width: 100%;
      border: 0;
      outline: 0;
      color: #1c2d46;
      background: transparent;
      font-size: 13px;
    }
    .nav-search input::placeholder { color: #8b9aaf; }
    .btn {
      border-radius: 999px;
      padding: 10px 18px;
      font-weight: 700;
      border: 1px solid transparent;
      transition: .25s ease;
    }
    .btn-primary {
      color: #fff;
      background: linear-gradient(100deg, #2f80ff, #18a0fb);
      border-color: transparent;
      box-shadow: 0 8px 22px rgba(47,128,255,.28);
    }
    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(47,128,255,.45);
    }
    .btn-outline-light {
      color: var(--text);
      border-color: var(--line);
      background: rgba(255,255,255,.04);
    }
    .btn-outline-light:hover { color: #fff; border-color: var(--cyan); background: rgba(34,230,195,.1); }
    .page-main {
      min-height: 100vh;
      background:
        linear-gradient(rgba(34, 94, 160, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 94, 160, .055) 1px, transparent 1px),
        linear-gradient(180deg, #07162b 0%, var(--bg) 55%, var(--bg-deep) 100%);
      background-size: 42px 42px, 42px 42px, auto;
    }
    .inner-hero {
      position: relative;
      padding: 72px 0 58px;
      border-bottom: 1px solid rgba(85, 151, 238, .14);
      overflow: hidden;
    }
    .inner-hero::after {
      content: "";
      position: absolute;
      top: 26px;
      right: 6%;
      width: 340px;
      height: 1px;
      background: var(--cyan);
      opacity: .65;
      box-shadow: 0 0 22px var(--cyan);
      transform: rotate(-18deg);
    }
    .eyebrow, .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0;
      text-transform: uppercase;
    }
    .eyebrow::before, .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      background: currentColor;
      box-shadow: 0 0 10px currentColor;
    }
    h1, h2, h3, h4 { margin-top: 0; line-height: 1.25; }
    h1 {
      max-width: 760px;
      margin: 18px 0 16px;
      font-size: clamp(32px, 4.2vw, 52px);
      font-weight: 850;
      letter-spacing: 0;
    }
    .hero-copy { max-width: 680px; margin: 0; color: var(--muted); }
    .breadcrumb {
      margin: 0 0 22px;
      --bs-breadcrumb-divider-color: #6983a7;
      --bs-breadcrumb-item-active-color: #98abc5;
      font-size: 13px;
    }
    .breadcrumb a { color: var(--cyan); }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 25px;
    }
    .badge {
      padding: 7px 11px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      border: 1px solid transparent;
    }
    .badge-blue { color: #9fc7ff; background: rgba(47,128,255,.13); border-color: rgba(47,128,255,.35); }
    .badge-cyan { color: #80f8df; background: rgba(34,230,195,.1); border-color: rgba(34,230,195,.35); }
    .badge-violet { color: #c7b4ff; background: rgba(139,92,246,.13); border-color: rgba(139,92,246,.35); }
    .badge-amber { color: #ffd98b; background: rgba(245,184,75,.1); border-color: rgba(245,184,75,.35); }
    .content-section { padding: 70px 0; }
    .section-heading { margin-bottom: 28px; }
    .section-heading h2 { margin: 10px 0 8px; font-size: 30px; font-weight: 800; }
    .section-heading p { max-width: 650px; margin: 0; color: var(--muted); }
    .filter-bar, .glass-card, .side-panel, .cta-panel {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      backdrop-filter: blur(14px);
    }
    .filter-bar {
      margin-top: 34px;
      padding: 18px;
    }
    .form-label { margin-bottom: 6px; color: #b9c8dc; font-size: 12px; font-weight: 700; }
    .form-control, .form-select {
      min-height: 44px;
      color: var(--text);
      background-color: rgba(4, 14, 29, .72);
      border: 1px solid rgba(111,171,255,.25);
      border-radius: 10px;
    }
    .form-control::placeholder { color: #7588a3; }
    .form-control:focus, .form-select:focus {
      color: var(--text);
      background-color: rgba(4,14,29,.9);
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(47,128,255,.16);
    }
    .form-select option { color: #15243c; }
    .filter-search { position: relative; }
    .filter-search i { position: absolute; top: 11px; left: 13px; color: var(--cyan); }
    .filter-search input { padding-left: 38px; }
    .list-stack { display: grid; gap: 15px; }
    .glass-card {
      padding: 23px 24px;
      transition: .25s ease;
    }
    .glass-card:hover, .side-panel:hover {
      border-color: rgba(80, 170, 255, .58);
      box-shadow: 0 18px 50px rgba(0,100,220,.3);
    }
    .entry-card {
      display: grid;
      grid-template-columns: 56px 1fr auto;
      gap: 18px;
      align-items: center;
    }
    .entry-no {
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      color: var(--cyan);
      border: 1px solid rgba(34,230,195,.4);
      border-radius: 13px;
      background: rgba(34,230,195,.08);
      font: 700 18px/1 "SFMono-Regular", Consolas, monospace;
    }
    .entry-card h3 { margin: 0 0 7px; font-size: 19px; }
    .entry-card p { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
    .entry-info { display: flex; flex-wrap: wrap; gap: 8px; color: #8195b2; font-size: 12px; }
    .entry-action { text-align: right; }
    .entry-action small { display: block; margin-top: 8px; color: #7e92ae; font-size: 11px; }
    .side-panel { padding: 24px; }
    .side-panel + .side-panel { margin-top: 18px; }
    .side-panel h3 { margin-bottom: 17px; font-size: 18px; }
    .quick-link {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      color: #b9c8dc;
      border-bottom: 1px solid rgba(111,171,255,.13);
      font-size: 14px;
    }
    .quick-link:last-child { border-bottom: 0; }
    .quick-link:hover { color: var(--cyan); padding-left: 4px; }
    .status-line { display: flex; align-items: center; gap: 9px; margin: 13px 0; color: var(--muted); font-size: 13px; }
    .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
    .status-dot.amber { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
    .compare-wrap { overflow-x: auto; }
    .compare-table {
      min-width: 650px;
      margin: 0;
      color: var(--muted);
      --bs-table-bg: transparent;
      --bs-table-color: var(--muted);
      --bs-border-color: rgba(111,171,255,.15);
    }
    .compare-table th { padding: 15px 18px; color: #dce9fb; background: rgba(47,128,255,.12); font-size: 13px; }
    .compare-table td { padding: 17px 18px; vertical-align: middle; font-size: 14px; }
    .compare-table tbody tr:hover { background: rgba(47,128,255,.07); }
    .compare-table .highlight { color: var(--cyan); font-weight: 700; }
    .pagination { gap: 7px; }
    .page-link {
      min-width: 38px;
      color: var(--muted);
      text-align: center;
      background: rgba(10,24,48,.72);
      border: 1px solid var(--line);
      border-radius: 9px !important;
    }
    .page-link:hover, .page-item.active .page-link { color: #fff; background: var(--primary); border-color: var(--primary); box-shadow: 0 0 16px rgba(47,128,255,.35); }
    .accordion-item { margin-bottom: 11px; overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: 13px !important; }
    .accordion-button { color: #e8f1ff; background: transparent; box-shadow: none !important; font-weight: 700; }
    .accordion-button:not(.collapsed) { color: var(--cyan); background: rgba(34,230,195,.06); }
    .accordion-button::after { filter: invert(1) brightness(1.7); }
    .accordion-body { color: var(--muted); padding-top: 0; font-size: 14px; }
    .cta-panel {
      padding: 36px;
      border-color: rgba(34,230,195,.38);
      background: linear-gradient(135deg, rgba(17,53,83,.76), rgba(9,25,49,.76));
    }
    .cta-panel h2 { margin-bottom: 10px; font-size: 28px; }
    .cta-panel p { margin-bottom: 0; color: var(--muted); }
    .form-check { color: var(--muted); font-size: 13px; }
    .form-check-input { background-color: rgba(4,14,29,.8); border-color: rgba(111,171,255,.4); }
    .form-check-input:checked { background-color: var(--cyan); border-color: var(--cyan); }
    .footer {
      padding: 62px 0 22px;
      color: var(--muted);
      background: #030914;
      border-top: 1px solid rgba(111,171,255,.14);
    }
    .footer-brand { margin-bottom: 10px; color: #eef6ff; font-size: 22px; font-weight: 800; }
    .footer p { max-width: 500px; margin-bottom: 16px; font-size: 13px; }
    .age-notice {
      display: inline-flex;
      align-items: center;
      padding: 8px 12px;
      color: #bdeee6;
      background: rgba(34,230,195,.08);
      border: 1px solid rgba(34,230,195,.25);
      border-radius: 9px;
      font-size: 12px;
    }
    .footer h4 { margin-bottom: 14px; color: #dce9fb; font-size: 14px; }
    .footer-links { display: grid; gap: 7px; font-size: 13px; }
    .footer-links a:hover { color: var(--cyan); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: 42px;
      padding-top: 18px;
      border-top: 1px solid rgba(111,171,255,.13);
      font-size: 12px;
    }
    @media (max-width: 1199px) {
      .nav-search { width: 175px; }
      .navbar-brand { font-size: 14px; }
      .nav-link { padding-right: 8px !important; padding-left: 8px !important; }
    }
    @media (max-width: 991px) {
      .navbar { min-height: 68px; }
      .navbar-collapse { padding: 12px 0 18px; }
      .nav-search { width: 100%; margin: 8px 0; }
      .nav-link { margin: 2px 0; }
      .inner-hero { padding: 55px 0 44px; }
      .content-section { padding: 55px 0; }
    }
    @media (max-width: 767px) {
      h1 { font-size: 34px; }
      .section-heading h2 { font-size: 26px; }
      .entry-card { grid-template-columns: 44px 1fr; gap: 13px; }
      .entry-no { width: 44px; height: 44px; font-size: 15px; }
      .entry-action { grid-column: 2; text-align: left; }
      .cta-panel { padding: 25px 20px; }
      .footer-bottom { display: grid; gap: 6px; }
    }
    @media (max-width: 520px) {
      .inner-hero { padding-top: 42px; }
      h1 { font-size: 31px; }
      .glass-card, .side-panel { padding: 18px; }
      .filter-bar { padding: 14px; }
      .hero-meta { gap: 7px; }
      .btn { width: 100%; }
      .entry-action .btn { width: auto; }
    }