/* roulang page: index */
:root {
      --bg: #070d1b;
      --bg-soft: #0c1427;
      --panel: rgba(16, 29, 53, .76);
      --panel-strong: rgba(19, 35, 65, .94);
      --line: rgba(129, 180, 255, .18);
      --line-bright: rgba(113, 190, 255, .46);
      --text: #eff6ff;
      --muted: #9eafd0;
      --dim: #7183a5;
      --blue: #5cb8ff;
      --cyan: #79e4ef;
      --rose: #d9829e;
      --violet: #9c91ff;
      --radius: 20px;
      --shadow: 0 22px 70px rgba(0, 0, 0, .34);
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background:
        radial-gradient(circle at 80% 4%, rgba(56, 119, 208, .16), transparent 30%),
        radial-gradient(circle at 10% 38%, rgba(121, 72, 133, .11), transparent 28%),
        var(--bg);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.8;
      letter-spacing: 0;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .16;
      background-image: linear-gradient(rgba(125, 177, 235, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(125, 177, 235, .08) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, #000, transparent 70%);
    }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    img { max-width: 100%; display: block; }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(7, 13, 27, .83);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
    }
    .brand-row {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
      font-weight: 800;
      font-size: 17px;
      letter-spacing: .02em;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      color: #07101f;
      background: linear-gradient(135deg, var(--cyan), var(--blue));
      border-radius: 11px;
      box-shadow: 0 0 25px rgba(92, 184, 255, .34);
      font-weight: 900;
    }
    .main-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
    .nav-link {
      color: var(--muted);
      padding: 9px 13px;
      border-radius: 10px;
      font-size: 14px;
      transition: .22s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--text);
      background: rgba(92, 184, 255, .1);
      box-shadow: inset 0 -2px 0 var(--blue);
    }
    .nav-search {
      width: 222px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      border: 1px solid var(--line);
      border-radius: 12px;
      background: rgba(10, 20, 39, .76);
      color: var(--dim);
    }
    .nav-search input {
      width: 100%;
      min-width: 0;
      border: 0;
      outline: 0;
      color: var(--text);
      background: transparent;
      font-size: 13px;
    }
    .nav-search:focus-within { border-color: var(--line-bright); box-shadow: 0 0 0 3px rgba(92,184,255,.1); }
    .menu-button, .search-button { display: none; }
    .trend-bar {
      border-top: 1px solid rgba(129,180,255,.1);
      overflow: hidden;
    }
    .trend-inner {
      min-height: 40px;
      display: flex;
      align-items: center;
      gap: 9px;
      overflow-x: auto;
      white-space: nowrap;
      scrollbar-width: none;
    }
    .trend-inner::-webkit-scrollbar { display: none; }
    .trend-label { color: var(--dim); font-size: 12px; margin-right: 4px; }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 25px;
      padding: 2px 9px;
      border: 1px solid var(--line);
      border-radius: 99px;
      color: #b8c9e7;
      background: rgba(51, 92, 148, .15);
      font-size: 12px;
    }
    .tag.rose { border-color: rgba(217,130,158,.35); color: #e8afc0; background: rgba(133,55,81,.16); }
    .tag.violet { border-color: rgba(156,145,255,.35); color: #c2bcff; background: rgba(82,66,170,.15); }
    .hero { padding: 86px 0 72px; position: relative; }
    .hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 52px; align-items: center; }
    .eyebrow { color: var(--cyan); font-size: 13px; letter-spacing: .14em; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 700px; margin: 15px 0 22px; font-size: clamp(34px, 5vw, 58px); line-height: 1.2; letter-spacing: 0; }
    .hero-copy { max-width: 650px; color: var(--muted); font-size: 17px; line-height: 1.9; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .button {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 18px;
      border-radius: 12px;
      border: 1px solid var(--line-bright);
      color: #061221;
      background: linear-gradient(135deg, #83e5ec, #55aef8);
      font-weight: 700;
      font-size: 14px;
      transition: .22s ease;
      box-shadow: 0 9px 28px rgba(49, 149, 230, .2);
    }
    .button:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(49,149,230,.34); }
    .button:active { transform: translateY(0); }
    .button.secondary { color: var(--text); background: rgba(35, 70, 116, .26); box-shadow: none; }
    .button.secondary:hover { background: rgba(62, 113, 176, .34); }
    :focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
    .hero-note { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 25px; color: var(--dim); font-size: 12px; }
    .hero-note span::before { content: "•"; color: var(--cyan); margin-right: 7px; }
    .glass {
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(21, 42, 74, .76), rgba(10, 19, 38, .76));
      box-shadow: var(--shadow);
      backdrop-filter: blur(18px);
      border-radius: var(--radius);
    }
    .index-stage { padding: 25px; position: relative; overflow: hidden; }
    .index-stage::after {
      content: "";
      position: absolute;
      width: 170px;
      height: 170px;
      right: -50px;
      top: -70px;
      border: 1px solid rgba(121,228,239,.22);
      border-radius: 50%;
      box-shadow: 0 0 0 20px rgba(121,228,239,.025), 0 0 0 42px rgba(121,228,239,.02);
    }
    .stage-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
    .stage-title { font-size: 16px; font-weight: 700; }
    .live-dot { color: #8ce4bf; font-size: 12px; }
    .live-dot::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: #72dfad; box-shadow: 0 0 12px #72dfad; }
    .metric-list { display: grid; gap: 13px; }
    .metric-row { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 14px 0; border-bottom: 1px solid rgba(129,180,255,.1); }
    .metric-row:last-child { border-bottom: 0; }
    .metric-name { color: var(--muted); font-size: 13px; }
    .metric-value { color: var(--text); font-size: 21px; font-weight: 800; }
    .meter { height: 5px; margin-top: 9px; overflow: hidden; border-radius: 9px; background: rgba(136,176,225,.12); }
    .meter i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
    .section { padding: 72px 0; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-kicker { color: var(--blue); font-size: 12px; letter-spacing: .12em; }
    h2 { margin: 8px 0 0; font-size: clamp(26px, 3vw, 38px); line-height: 1.3; }
    .section-intro { max-width: 590px; color: var(--muted); font-size: 14px; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .stat-card { padding: 22px; min-height: 142px; }
    .stat-card:hover, .entry-card:hover, .faq-item:hover { border-color: var(--line-bright); transform: translateY(-3px); }
    .stat-card, .entry-card, .faq-item { transition: .22s ease; }
    .stat-number { display: block; margin: 14px 0 4px; color: var(--text); font-size: 30px; font-weight: 800; }
    .stat-label { color: var(--muted); font-size: 13px; }
    .stat-trend { color: #8fe4c3; font-size: 12px; }
    .matrix { display: grid; grid-template-columns: 1.25fr .75fr .75fr; grid-template-rows: 1fr 1fr; gap: 16px; }
    .entry-card { padding: 25px; min-height: 178px; position: relative; overflow: hidden; }
    .entry-card.featured { grid-row: span 2; min-height: 372px; display: flex; flex-direction: column; justify-content: end; background: linear-gradient(155deg, rgba(35,77,128,.8), rgba(15,28,54,.95)); }
    .entry-card.featured::before { content: "18+"; position: absolute; right: 22px; top: 22px; color: rgba(145,221,255,.4); font-size: 42px; font-weight: 900; }
    .entry-icon { color: var(--cyan); font-size: 24px; }
    .entry-card h3 { margin: 14px 0 7px; font-size: 19px; }
    .entry-card p { margin-bottom: 18px; color: var(--muted); font-size: 13px; line-height: 1.7; }
    .entry-link { color: var(--cyan); font-size: 13px; font-weight: 700; }
    .comparison { display: grid; grid-template-columns: 1fr 72px 1fr; align-items: stretch; gap: 16px; }
    .compare-card { padding: 26px; }
    .compare-card h3 { margin-bottom: 20px; font-size: 19px; }
    .compare-card.primary { border-color: rgba(121,228,239,.4); background: linear-gradient(145deg, rgba(23,66,102,.74), rgba(10,23,45,.85)); }
    .compare-list { display: grid; gap: 14px; }
    .compare-line { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 12px; border-bottom: 1px solid rgba(129,180,255,.1); color: var(--muted); font-size: 13px; }
    .compare-line strong { color: var(--text); font-weight: 700; text-align: right; }
    .versus { display: grid; place-items: center; color: var(--rose); font-weight: 800; letter-spacing: .12em; }
    .faq-list { max-width: 850px; display: grid; gap: 10px; }
    .faq-item { overflow: hidden; }
    .faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; color: var(--text); background: transparent; border: 0; text-align: left; font-weight: 700; }
    .faq-question span:last-child { color: var(--cyan); font-size: 22px; transition: .2s ease; }
    .faq-answer { display: none; padding: 0 22px 21px; color: var(--muted); font-size: 14px; line-height: 1.8; }
    .faq-item.open { border-color: rgba(121,228,239,.5); box-shadow: 0 0 25px rgba(63,164,216,.09); }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-question span:last-child { transform: rotate(45deg); }
    .cta-panel { display: grid; grid-template-columns: 1fr .9fr; gap: 38px; align-items: center; padding: 38px; background: linear-gradient(130deg, rgba(25,70,112,.76), rgba(31,38,83,.68)); }
    .cta-panel p { color: var(--muted); font-size: 14px; }
    .preference-form { display: grid; gap: 13px; }
    .field { width: 100%; min-height: 46px; padding: 0 14px; color: var(--text); background: rgba(4, 13, 28, .62); border: 1px solid var(--line); border-radius: 11px; outline: 0; }
    .field::placeholder { color: #7184a6; }
    .field:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(121,228,239,.1); }
    .checkline { display: flex; align-items: flex-start; gap: 9px; color: var(--dim); font-size: 12px; line-height: 1.6; }
    .checkline input { margin-top: 5px; accent-color: var(--cyan); }
    .form-status { min-height: 20px; color: #92e6c2; font-size: 12px; }
    .site-footer { margin-top: 50px; padding: 50px 0 25px; border-top: 1px solid var(--line); background: rgba(4, 9, 19, .5); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
    .footer-title { margin-bottom: 13px; color: var(--text); font-size: 14px; font-weight: 700; }
    .footer-links { display: grid; gap: 8px; color: var(--dim); font-size: 13px; }
    .footer-links a:hover { color: var(--cyan); }
    .footer-brand p { max-width: 290px; color: var(--dim); font-size: 13px; }
    .copyright { display: flex; justify-content: space-between; gap: 15px; margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(129,180,255,.1); color: #637594; font-size: 12px; }
    .age-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(3, 7, 17, .78); backdrop-filter: blur(13px); }
    .age-box { width: min(470px, 100%); padding: 32px; text-align: center; }
    .age-box h2 { margin: 15px 0 10px; font-size: 27px; }
    .age-box p { color: var(--muted); font-size: 14px; }
    .age-actions { display: grid; gap: 10px; margin-top: 23px; }
    .exit-link { color: var(--dim); font-size: 12px; }
    .hide { display: none; }
    @media (max-width: 900px) {
      .hero-grid, .cta-panel { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
      .entry-card.featured { grid-row: auto; grid-column: span 2; min-height: 260px; }
      .comparison { grid-template-columns: 1fr; }
      .versus { min-height: 20px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(100% - 32px, 580px); }
      .brand-row { min-height: 64px; gap: 10px; }
      .brand { font-size: 14px; }
      .main-nav { display: none; position: absolute; left: 16px; right: 16px; top: 60px; padding: 10px; flex-direction: column; align-items: stretch; background: var(--panel-strong); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
      .main-nav.show { display: flex; }
      .nav-link { padding: 12px; }
      .nav-search { width: auto; flex: 1; }
      .menu-button, .search-button { width: 42px; height: 42px; display: grid; place-items: center; color: var(--text); border: 1px solid var(--line); border-radius: 11px; background: rgba(35,70,116,.24); }
      .search-button { display: none; }
      .hero { padding: 55px 0 44px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .button { width: 100%; }
      .section { padding: 52px 0; }
      .section-head { display: block; }
      .section-intro { margin-top: 14px; }
      .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
      .stat-card { padding: 17px; min-height: 126px; }
      .stat-number { font-size: 25px; }
      .matrix { display: flex; flex-direction: column; }
      .entry-card, .entry-card.featured { min-height: 190px; }
      .cta-panel { padding: 24px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 18px; }
      .footer-brand { grid-column: span 2; }
      .copyright { display: block; line-height: 1.8; }
      .copyright span { display: block; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
    }

/* roulang page: category2 */
:root{
      --bg0:#050816;
      --bg1:#081122;
      --bg2:#0b1730;
      --panel:rgba(10,18,38,.72);
      --panel-strong:rgba(9,16,34,.9);
      --line:rgba(125,166,255,.22);
      --line-strong:rgba(136,186,255,.34);
      --text:#eef4ff;
      --muted:#9eb2d6;
      --muted-2:#7990b8;
      --brand:#3172ff;
      --brand-2:#8468ff;
      --rose:#d24e78;
      --shadow:0 18px 50px rgba(1,5,18,.48);
      --r-xl:28px;
      --r-lg:22px;
      --r-md:16px;
      --r-sm:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(49,114,255,.14), transparent 28%),
        radial-gradient(circle at 90% 20%, rgba(132,104,255,.12), transparent 22%),
        radial-gradient(circle at 50% 110%, rgba(210,78,120,.09), transparent 30%),
        linear-gradient(180deg, #040812 0%, #07101d 40%, #060a15 100%);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.8;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(125,166,255,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(125,166,255,.04) 1px, transparent 1px);
      background-size:72px 72px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), rgba(0,0,0,.25) 40%, rgba(0,0,0,.08));
      opacity:.35;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(49,114,255,.35);color:#fff}
    :focus-visible{outline:2px solid rgba(145,186,255,.95);outline-offset:2px}
    .container{
      width:min(1280px, calc(100% - 32px));
      margin:0 auto;
    }
    @media (min-width:768px){
      .container{width:min(1280px, calc(100% - 40px));}
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      backdrop-filter:blur(18px);
      background:rgba(4,8,18,.72);
      border-bottom:1px solid rgba(126,167,255,.12);
      box-shadow:0 8px 24px rgba(0,0,0,.16);
    }
    .brand-row{
      display:flex;
      align-items:center;
      gap:16px;
      padding:14px 0 12px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      letter-spacing:.02em;
      font-size:1.05rem;
      white-space:nowrap;
    }
    .brand-mark{
      width:34px;height:34px;
      display:grid;place-items:center;
      border-radius:12px;
      background:linear-gradient(135deg, rgba(49,114,255,.95), rgba(132,104,255,.9));
      box-shadow:0 8px 24px rgba(49,114,255,.25);
      font-size:.95rem;
      color:white;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
      padding:6px;
      border:1px solid rgba(125,166,255,.15);
      border-radius:999px;
      background:rgba(7,14,29,.45);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      transition:all .22s ease;
      font-size:.92rem;
      white-space:nowrap;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      background:rgba(49,114,255,.14);
      box-shadow:0 0 0 1px rgba(49,114,255,.22) inset;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(49,114,255,.95), rgba(132,104,255,.75));
      box-shadow:0 14px 26px rgba(49,114,255,.22);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:240px;
      padding:0 14px;
      min-height:42px;
      border-radius:14px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(10,18,38,.82);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
      color:var(--muted);
    }
    .nav-search input{
      width:100%;
      border:0;
      background:transparent;
      color:#f3f7ff;
      outline:none;
      min-width:0;
    }
    .nav-search input::placeholder{color:#87a0ca}
    .menu-button{
      display:none;
      margin-left:auto;
      width:44px;height:44px;
      border-radius:14px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(8,16,33,.8);
      color:#fff;
      box-shadow:var(--shadow);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .menu-button:hover{transform:translateY(-1px);border-color:rgba(145,186,255,.35);background:rgba(11,23,48,.95)}
    .trend-bar{
      border-top:1px solid rgba(125,166,255,.08);
      background:linear-gradient(180deg, rgba(10,16,32,.55), rgba(7,12,25,.85));
    }
    .trend-inner{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 0;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .trend-inner::-webkit-scrollbar{display:none}
    .trend-label{
      flex:0 0 auto;
      color:#c7d8fb;
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.04em;
      opacity:.9;
    }
    .tag{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(11,23,48,.55);
      color:#dbe8ff;
      font-size:.88rem;
      transition:all .2s ease;
    }
    .tag:hover,.tag:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(145,186,255,.34);
      box-shadow:0 0 0 1px rgba(49,114,255,.12) inset, 0 10px 24px rgba(0,0,0,.18);
    }
    .tag.rose{background:rgba(210,78,120,.13);border-color:rgba(210,78,120,.22)}
    .tag.violet{background:rgba(132,104,255,.12);border-color:rgba(132,104,255,.22)}
    .page-breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:.92rem;
      margin-top:24px;
    }
    .page-breadcrumb a{color:#d8e7ff}
    .page-breadcrumb span.sep{opacity:.5}
    .hero-shell{
      margin-top:18px;
      border:1px solid rgba(125,166,255,.18);
      border-radius:32px;
      background:
        linear-gradient(180deg, rgba(12,19,38,.9), rgba(9,16,32,.8)),
        radial-gradient(circle at 90% 10%, rgba(49,114,255,.16), transparent 18%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.35fr) minmax(320px,.95fr);
      gap:24px;
      padding:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(125,166,255,.2);
      background:rgba(9,17,33,.68);
      color:#d7e7ff;
      font-size:.84rem;
      letter-spacing:.03em;
    }
    h1{
      margin:14px 0 12px;
      font-size:clamp(2rem, 4vw, 3.65rem);
      line-height:1.1;
      letter-spacing:-.02em;
      font-weight:800;
    }
    .hero-copy{
      max-width:56ch;
      color:var(--muted);
      font-size:1rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:22px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, opacity .2s ease;
      font-weight:700;
    }
    .btn-primary{
      background:linear-gradient(135deg, #2d6fff, #7c67ff);
      color:#fff;
      box-shadow:0 16px 28px rgba(49,114,255,.24);
    }
    .btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-1px);box-shadow:0 18px 34px rgba(49,114,255,.33)}
    .btn-soft{
      background:rgba(11,23,48,.55);
      color:#e9f1ff;
      border-color:rgba(125,166,255,.16);
    }
    .btn-soft:hover,.btn-soft:focus-visible{transform:translateY(-1px);border-color:rgba(145,186,255,.38);background:rgba(16,31,60,.72)}
    .age-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(210,78,120,.25);
      background:rgba(210,78,120,.09);
      color:#ffd9e4;
      font-size:.88rem;
    }
    .hero-aside{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .glass-card{
      border:1px solid rgba(125,166,255,.16);
      border-radius:24px;
      background:linear-gradient(180deg, rgba(11,20,40,.84), rgba(8,15,31,.72));
      box-shadow:0 18px 42px rgba(1,7,20,.32);
      backdrop-filter:blur(14px);
    }
    .hero-stats{
      padding:18px;
    }
    .hero-stats-grid{
      display:grid;
      grid-template-columns:repeat(2, minmax(0,1fr));
      gap:12px;
    }
    .metric{
      padding:14px;
      border-radius:18px;
      border:1px solid rgba(125,166,255,.12);
      background:rgba(7,14,29,.56);
    }
    .metric-label{
      color:var(--muted);
      font-size:.86rem;
    }
    .metric-value{
      margin-top:4px;
      font-size:1.55rem;
      font-weight:800;
      line-height:1.1;
    }
    .metric-note{
      margin-top:5px;
      color:#98abd0;
      font-size:.82rem;
    }
    .micro-track{
      margin-top:14px;
      display:grid;
      gap:10px;
    }
    .micro-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 0 0;
      border-top:1px dashed rgba(125,166,255,.12);
      color:#dce7ff;
      font-size:.9rem;
    }
    .bar{
      margin-top:8px;
      height:8px;
      border-radius:999px;
      background:rgba(125,166,255,.12);
      overflow:hidden;
    }
    .bar > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(49,114,255,.95), rgba(132,104,255,.88));
      box-shadow:0 0 18px rgba(49,114,255,.35);
    }
    .hero-tags{
      padding:16px 18px 18px;
    }
    .hero-tags h2{
      font-size:1rem;
      margin:0 0 12px;
      color:#eaf1ff;
    }
    .tag-grid{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(9,16,33,.72);
      color:#d7e6ff;
      font-size:.86rem;
    }
    .section{
      margin-top:28px;
    }
    .section-title{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:16px;
    }
    .section-title h2{
      margin:0;
      font-size:clamp(1.3rem, 2.2vw, 2rem);
      line-height:1.2;
      letter-spacing:-.01em;
      font-weight:800;
    }
    .section-title p{
      margin:0;
      color:var(--muted);
      max-width:58ch;
      font-size:.95rem;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4, minmax(0,1fr));
      gap:14px;
    }
    .stats-card{
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .stats-card::after{
      content:"";
      position:absolute;
      inset:auto -20% -42% auto;
      width:140px;
      height:140px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(49,114,255,.18), transparent 70%);
      pointer-events:none;
    }
    .stats-kicker{
      color:#bcd0f4;
      font-size:.86rem;
    }
    .stats-number{
      margin-top:8px;
      font-size:1.9rem;
      font-weight:800;
      line-height:1;
    }
    .stats-desc{
      margin-top:8px;
      color:var(--muted);
      font-size:.9rem;
    }
    .service-grid{
      display:grid;
      grid-template-columns:1.45fr .9fr .9fr;
      gap:14px;
    }
    .service-main{
      min-height:100%;
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:20px;
      background:
        linear-gradient(135deg, rgba(49,114,255,.12), rgba(132,104,255,.08)),
        linear-gradient(180deg, rgba(11,20,40,.88), rgba(8,15,31,.76));
    }
    .service-main-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:16px;
    }
    .service-main h3{
      margin:0 0 8px;
      font-size:1.35rem;
      line-height:1.25;
      font-weight:800;
    }
    .service-main p{
      margin:0;
      color:var(--muted);
      max-width:46ch;
    }
    .service-badge{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(210,78,120,.24);
      background:rgba(210,78,120,.1);
      color:#ffd7e2;
      font-size:.8rem;
      white-space:nowrap;
    }
    .service-list{
      display:grid;
      gap:14px;
    }
    .service-card{
      padding:18px;
      min-height:182px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:10px;
    }
    .service-card h3{
      margin:0;
      font-size:1.03rem;
      line-height:1.3;
    }
    .service-card p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .service-link{
      color:#dbe8ff;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      gap:6px;
      width:max-content;
    }
    .service-link:hover{color:#fff}
    .label-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .label{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      font-size:.78rem;
      color:#eff5ff;
      border:1px solid rgba(125,166,255,.15);
      background:rgba(255,255,255,.03);
    }
    .label.rose{border-color:rgba(210,78,120,.24);background:rgba(210,78,120,.1)}
    .label.violet{border-color:rgba(132,104,255,.22);background:rgba(132,104,255,.1)}
    .compare-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .compare-card{
      padding:22px;
    }
    .compare-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .compare-head h3{
      margin:0;
      font-size:1.08rem;
      font-weight:800;
    }
    .compare-head span{
      color:#bfd1f4;
      font-size:.84rem;
    }
    .compare-list{
      display:grid;
      gap:12px;
    }
    .compare-item{
      padding:14px;
      border-radius:18px;
      background:rgba(7,14,29,.54);
      border:1px solid rgba(125,166,255,.12);
    }
    .compare-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      font-size:.92rem;
    }
    .compare-top strong{font-size:.98rem}
    .compare-sub{
      margin-top:8px;
      color:var(--muted);
      font-size:.88rem;
    }
    .compare-meter{
      margin-top:10px;
      height:8px;
      border-radius:999px;
      background:rgba(125,166,255,.11);
      overflow:hidden;
    }
    .compare-meter > i{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(210,78,120,.86), rgba(132,104,255,.8));
    }
    .faq-wrap{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border:1px solid rgba(125,166,255,.14);
      border-radius:18px;
      background:rgba(10,18,38,.72);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(145,186,255,.36);
      box-shadow:0 0 0 1px rgba(49,114,255,.16) inset, 0 18px 40px rgba(49,114,255,.08);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:700;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary::after{
      content:"+";
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:10px;
      background:rgba(49,114,255,.12);
      color:#dbebff;
      flex:0 0 auto;
    }
    details.faq-item[open] summary::after{content:"–"}
    .faq-item .answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:.95rem;
    }
    .cta-shell{
      padding:24px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:start;
      background:
        linear-gradient(135deg, rgba(49,114,255,.14), rgba(132,104,255,.08)),
        linear-gradient(180deg, rgba(10,18,38,.88), rgba(8,15,31,.78));
      border-radius:28px;
      border:1px solid rgba(125,166,255,.18);
      box-shadow:var(--shadow);
    }
    .cta-shell h2{margin:0 0 10px;font-size:clamp(1.4rem, 2.4vw, 2.2rem);line-height:1.2;font-weight:800}
    .cta-shell p{margin:0;color:var(--muted);max-width:56ch}
    .form-grid{
      display:grid;
      gap:12px;
    }
    .field{
      display:grid;
      gap:8px;
    }
    .field label{
      font-size:.9rem;
      color:#dbe8ff;
      font-weight:600;
    }
    .input, .select{
      width:100%;
      min-height:46px;
      padding:0 14px;
      border-radius:14px;
      border:1px solid rgba(125,166,255,.16);
      background:rgba(7,14,29,.72);
      color:#fff;
      outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .input::placeholder{color:#7f95bd}
    .input:focus,.select:focus{
      border-color:rgba(145,186,255,.42);
      box-shadow:0 0 0 4px rgba(49,114,255,.12);
      background:rgba(10,18,38,.88);
    }
    .checks{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      color:#dbe8ff;
      font-size:.9rem;
    }
    .check{
      display:flex;
      align-items:center;
      gap:8px;
      padding:10px 12px;
      border-radius:14px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(7,14,29,.54);
    }
    .check input{accent-color:#4e83ff}
    .form-note{
      color:var(--muted);
      font-size:.86rem;
    }
    .site-footer{
      margin-top:34px;
      padding:30px 0 28px;
      border-top:1px solid rgba(125,166,255,.12);
      background:linear-gradient(180deg, rgba(5,9,18,.2), rgba(5,9,18,.72));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .85fr .85fr .9fr;
      gap:20px;
    }
    .footer-brand p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:.94rem;
      max-width:36ch;
    }
    .footer-title{
      font-weight:800;
      margin-bottom:12px;
      font-size:.98rem;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:var(--muted);
      font-size:.92rem;
    }
    .footer-links a,.footer-links span{
      width:max-content;
      max-width:100%;
    }
    .footer-links a:hover{color:#fff}
    .copyright{
      margin-top:22px;
      padding-top:18px;
      border-top:1px solid rgba(125,166,255,.1);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:8px;
      color:#92a6cb;
      font-size:.86rem;
    }
    .content-divider{
      margin:28px 0;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(125,166,255,.22), transparent);
    }
    .mobile-nav-panel{
      display:none;
      padding:0 0 14px;
    }
    .mobile-nav-panel .panel{
      border-radius:20px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(8,14,28,.92);
      padding:14px;
      box-shadow:var(--shadow);
    }
    .mobile-nav-panel .panel .nav-link{
      width:100%;
      justify-content:flex-start;
      border-radius:14px;
    }
    .overlay{
      position:fixed;
      inset:0;
      z-index:100;
      display:none;
      align-items:center;
      justify-content:center;
      padding:18px;
      background:rgba(2,5,12,.72);
      backdrop-filter:blur(10px);
    }
    .overlay.show{display:flex}
    .age-modal{
      width:min(560px, 100%);
      padding:22px;
      border-radius:28px;
      border:1px solid rgba(125,166,255,.2);
      background:linear-gradient(180deg, rgba(10,18,38,.98), rgba(7,14,28,.96));
      box-shadow:0 22px 60px rgba(0,0,0,.42);
    }
    .age-modal h2{
      margin:10px 0 10px;
      font-size:1.5rem;
      line-height:1.2;
      font-weight:800;
    }
    .age-modal p{
      margin:0;
      color:var(--muted);
    }
    .age-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .age-actions .btn{min-width:150px}
    .small-muted{color:var(--muted-2)}
    .update-feed{
      display:grid;
      gap:12px;
    }
    .feed-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(8,15,31,.58);
    }
    .feed-time{
      width:86px;
      display:grid;
      place-items:center;
      border-radius:16px;
      border:1px solid rgba(125,166,255,.15);
      background:rgba(49,114,255,.11);
      color:#dbe8ff;
      font-weight:800;
      line-height:1.1;
      text-align:center;
      padding:10px 8px;
      min-height:86px;
    }
    .feed-body h3{
      margin:0 0 8px;
      font-size:1.02rem;
      font-weight:800;
    }
    .feed-body p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .feed-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:10px;
    }
    .feed-meta .label{font-size:.76rem}
    .toolbar{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      padding:16px;
      border-radius:22px;
      border:1px solid rgba(125,166,255,.14);
      background:rgba(10,18,38,.74);
      box-shadow:var(--shadow);
    }
    .toolbar .field{
      min-width:240px;
      flex:1 1 260px;
    }
    .toolbar .quick-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .toolbar .quick-tags .tag{
      min-height:38px;
      font-size:.84rem;
    }
    .top-note{
      color:#9eb2d6;
      font-size:.88rem;
    }
    .back-top{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#d8e7ff;
    }
    @media (max-width:1100px){
      .hero-grid,.service-grid,.footer-grid,.cta-shell{grid-template-columns:1fr}
      .stats-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .compare-grid{grid-template-columns:1fr}
      .nav-search{min-width:200px}
    }
    @media (max-width:840px){
      .brand-row{gap:12px}
      .main-nav{display:none}
      .nav-search{display:none}
      .menu-button{display:inline-grid;place-items:center}
      .mobile-nav-panel{display:block}
      .hero-grid{padding:22px}
      .section-title{flex-direction:column;align-items:start}
      .feed-item{grid-template-columns:1fr}
      .feed-time{width:auto;min-height:auto}
      .stats-grid{grid-template-columns:1fr 1fr}
      .hero-stats-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:560px){
      .container{width:min(100% - 24px, 1280px)}
      .brand{font-size:.98rem}
      .brand-mark{width:30px;height:30px;border-radius:10px}
      h1{font-size:clamp(1.75rem, 8vw, 2.5rem)}
      .hero-shell{border-radius:24px}
      .hero-grid,.cta-shell{padding:18px}
      .stats-grid,.hero-stats-grid{grid-template-columns:1fr}
      .toolbar .field{min-width:100%}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{flex-direction:column}
      .age-actions .btn{width:100%;min-width:0}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important;}
    }

/* roulang page: category1 */
:root{
      --bg:#07101e;
      --bg2:#0a1428;
      --panel:rgba(13,20,39,.72);
      --panel-strong:rgba(18,29,55,.84);
      --line:rgba(160,187,255,.18);
      --text:#e8eefc;
      --muted:#9cb0d4;
      --brand:#6ca7ff;
      --brand2:#8d79ff;
      --accent:#d57193;
      --good:#5ee0b0;
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --shadow:0 22px 70px rgba(2,8,23,.5);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(108,167,255,.16), transparent 28%),
        radial-gradient(circle at top right, rgba(141,121,255,.16), transparent 24%),
        radial-gradient(circle at 20% 80%, rgba(213,113,147,.12), transparent 30%),
        linear-gradient(180deg, #050b16 0%, #091224 38%, #07101e 100%);
      min-height:100vh;
      line-height:1.8;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.7), rgba(0,0,0,.12));
      opacity:.28;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(108,167,255,.35);color:#fff}
    .container{
      width:min(1240px, calc(100% - 32px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:70;
      backdrop-filter: blur(18px);
      background: rgba(7,16,30,.72);
      border-bottom:1px solid rgba(160,187,255,.08);
      box-shadow: 0 10px 40px rgba(2,8,23,.18);
    }
    .site-header.is-scrolled{
      border-bottom-color:rgba(102,166,255,.22);
      box-shadow:0 12px 34px rgba(7,16,30,.42), 0 0 0 1px rgba(102,166,255,.12);
    }
    .brand-row{
      display:flex;
      align-items:center;
      gap:16px;
      padding:14px 0 12px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      letter-spacing:.02em;
      color:#fff;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:13px;
      display:grid;place-items:center;
      background: linear-gradient(135deg, rgba(108,167,255,.95), rgba(141,121,255,.92));
      color:#fff;
      box-shadow: var(--shadow);
      font-size:18px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(160,187,255,.14);
      background: rgba(16,26,51,.54);
      border-radius:999px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
      flex-wrap:wrap;
    }
    .nav-link{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      transition:all .22s ease;
      font-size:14px;
      line-height:1;
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:#fff;
      background:rgba(108,167,255,.12);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg, rgba(108,167,255,.22), rgba(141,121,255,.2));
      box-shadow:0 0 0 1px rgba(108,167,255,.24) inset;
    }
    .nav-search{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:10px;
      min-width:min(320px, 100%);
      padding:11px 14px;
      border-radius:999px;
      border:1px solid rgba(160,187,255,.14);
      background:rgba(16,26,51,.64);
      color:var(--muted);
    }
    .nav-search input{
      width:100%;
      border:none;
      outline:none;
      background:transparent;
      color:#eff4ff;
    }
    .nav-search input::placeholder{color:#8fa2c7}
    .menu-button{
      display:none;
      align-items:center;
      justify-content:center;
      width:42px;height:42px;
      border-radius:14px;
      border:1px solid rgba(160,187,255,.16);
      background:rgba(16,26,51,.64);
      color:#f4f7ff;
      transition:all .2s ease;
    }
    .menu-button:hover,.menu-button:focus-visible{
      outline:none;
      box-shadow:0 0 0 3px rgba(108,167,255,.12);
      border-color:rgba(108,167,255,.35);
      transform:translateY(-1px);
    }
    .trend-bar{
      border-top:1px solid rgba(160,187,255,.08);
      background:linear-gradient(90deg, rgba(15,24,46,.88), rgba(10,18,36,.82));
    }
    .trend-inner{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 0;
      overflow:auto;
      scrollbar-width:none;
    }
    .trend-inner::-webkit-scrollbar{display:none}
    .trend-label{
      color:#cbd8f5;
      font-size:12px;
      letter-spacing:.12em;
      text-transform:uppercase;
      flex:0 0 auto;
      opacity:.82;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(160,187,255,.14);
      background:rgba(18,29,55,.72);
      color:#dfe7fb;
      transition:all .2s ease;
      font-size:13px;
      white-space:nowrap;
      flex:0 0 auto;
    }
    .tag:hover,.tag:focus-visible{
      outline:none;
      border-color:rgba(108,167,255,.45);
      box-shadow:0 0 0 3px rgba(108,167,255,.1);
      transform:translateY(-1px);
    }
    .tag.rose{background:rgba(77,24,42,.42)}
    .tag.violet{background:rgba(40,29,78,.45)}
    .hero{
      padding:34px 0 10px;
    }
    .panel{
      position:relative;
      border:1px solid rgba(160,187,255,.16);
      background:linear-gradient(180deg, rgba(18,29,55,.86), rgba(11,17,33,.78));
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .panel::after{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius:inherit;
      pointer-events:none;
      background:linear-gradient(120deg, rgba(108,167,255,.15), transparent 24%, transparent 76%, rgba(141,121,255,.12));
      mask:linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
      -webkit-mask-composite:xor;
      mask-composite:exclude;
      padding:1px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.15fr .85fr;
      gap:24px;
      padding:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 10px;
      border-radius:999px;
      color:#dce7ff;
      background:rgba(108,167,255,.13);
      border:1px solid rgba(108,167,255,.2);
      font-size:12px;
      letter-spacing:.08em;
    }
    .hero h1{
      margin:16px 0 12px;
      font-size:clamp(34px, 5vw, 54px);
      line-height:1.12;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .hero p{
      margin:0;
      color:var(--muted);
      font-size:16px;
      max-width:60ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .btn-primary,.btn-secondary,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:all .22s ease;
      cursor:pointer;
      font-weight:700;
      letter-spacing:.01em;
    }
    .btn-primary{
      background:linear-gradient(135deg, rgba(108,167,255,.96), rgba(141,121,255,.88));
      color:#fff;
      box-shadow:0 16px 34px rgba(83,123,255,.22);
    }
    .btn-secondary{
      background:rgba(18,29,55,.78);
      color:#eef4ff;
      border-color:rgba(160,187,255,.16);
    }
    .btn-ghost{
      background:transparent;
      color:#c8d5f1;
      border-color:rgba(160,187,255,.15);
    }
    .btn-primary:hover,.btn-secondary:hover,.btn-ghost:hover,
    .btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-ghost:focus-visible{
      outline:none;
      transform:translateY(-1px);
      box-shadow:0 0 0 3px rgba(108,167,255,.12), 0 18px 36px rgba(5,12,24,.22);
      border-color:rgba(108,167,255,.4);
    }
    .btn-primary:active,.btn-secondary:active,.btn-ghost:active{
      transform:translateY(0);
      box-shadow:none;
    }
    .hero-note{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin-top:18px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(13,20,39,.6);
      border:1px solid rgba(160,187,255,.12);
      color:#cad8f6;
      font-size:13px;
    }
    .hero-note strong{color:#fff}
    .coupon-wall{
      display:grid;
      gap:14px;
      align-content:start;
    }
    .coupon-main,.coupon-small{
      border-radius:22px;
      border:1px solid rgba(160,187,255,.18);
      background:
        linear-gradient(135deg, rgba(108,167,255,.18), rgba(141,121,255,.16)),
        linear-gradient(180deg, rgba(20,33,62,.95), rgba(11,18,35,.88));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .coupon-main{
      padding:18px;
      min-height:214px;
      position:relative;
    }
    .coupon-main::before{
      content:"";
      position:absolute;
      inset:auto -40px -80px auto;
      width:180px;height:180px;
      background:radial-gradient(circle, rgba(108,167,255,.42), transparent 68%);
      filter:blur(8px);
    }
    .coupon-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .coupon-title span{
      font-size:12px;
      color:#d9e4fb;
      letter-spacing:.1em;
      text-transform:uppercase;
    }
    .coupon-flag{
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      font-size:12px;
      color:#f2f6ff;
      white-space:nowrap;
    }
    .coupon-big{
      font-size:26px;
      line-height:1.2;
      font-weight:800;
      margin:6px 0 10px;
    }
    .coupon-desc{color:#c3d2ef;font-size:14px;max-width:30ch}
    .coupon-mini-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .coupon-small{
      padding:14px 14px 15px;
      min-height:106px;
    }
    .coupon-small .mini-k{
      color:#d9e4fb;
      font-size:12px;
      margin-bottom:6px;
    }
    .coupon-small .mini-v{
      font-size:18px;
      font-weight:800;
      margin-bottom:8px;
    }
    .coupon-small .mini-d{
      color:#aebedd;
      font-size:12px;
      line-height:1.5;
    }
    .stats{
      padding:18px 0 8px;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.15;
      font-weight:800;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:54ch;
      font-size:14px;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .stat-card{
      padding:18px;
      border-radius:20px;
      background:rgba(16,26,51,.74);
      border:1px solid rgba(160,187,255,.14);
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .stat-card::after{
      content:"";
      position:absolute;
      inset:auto -24px -26px auto;
      width:100px;height:100px;
      background:radial-gradient(circle, rgba(108,167,255,.22), transparent 70%);
      pointer-events:none;
    }
    .stat-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:#dce7ff;
      font-size:13px;
      margin-bottom:14px;
    }
    .stat-num{
      font-size:32px;
      line-height:1;
      font-weight:800;
      letter-spacing:-.03em;
      margin-bottom:10px;
    }
    .stat-desc{
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .bar{
      height:7px;
      border-radius:999px;
      background:rgba(160,187,255,.12);
      overflow:hidden;
      margin-top:14px;
    }
    .bar > span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg, rgba(108,167,255,.9), rgba(141,121,255,.92));
      box-shadow:0 0 14px rgba(108,167,255,.5);
    }
    .matrix{
      padding:34px 0 10px;
    }
    .matrix-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-card{
      border-radius:24px;
      background:linear-gradient(180deg, rgba(18,29,55,.86), rgba(10,16,31,.86));
      border:1px solid rgba(160,187,255,.14);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .feature-card.large{
      min-height:100%;
      padding:22px;
    }
    .feature-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:14px;
    }
    .feature-title h3{
      margin:0;
      font-size:22px;
      font-weight:800;
    }
    .feature-title .badge{
      padding:7px 10px;
      border-radius:999px;
      background:rgba(108,167,255,.11);
      color:#dce7ff;
      border:1px solid rgba(108,167,255,.18);
      font-size:12px;
    }
    .feature-hero{
      display:grid;
      grid-template-columns: 1.1fr .9fr;
      gap:16px;
      margin-top:10px;
    }
    .art{
      border-radius:22px;
      min-height:250px;
      border:1px solid rgba(160,187,255,.14);
      background:
        linear-gradient(135deg, rgba(108,167,255,.22), rgba(141,121,255,.16)),
        radial-gradient(circle at 25% 20%, rgba(255,255,255,.18), transparent 18%),
        linear-gradient(160deg, #18294d 0%, #0f1831 100%);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      position:relative;
      overflow:hidden;
    }
    .art::after{
      content:"欧美丰满熟妇人妻";
      position:absolute;
      left:18px;
      bottom:18px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(7,16,30,.5);
      border:1px solid rgba(255,255,255,.1);
      color:#fff;
      font-size:12px;
      letter-spacing:.08em;
    }
    .entry-list{
      display:grid;
      gap:12px;
    }
    .entry{
      padding:14px 15px;
      border-radius:18px;
      background:rgba(16,26,51,.68);
      border:1px solid rgba(160,187,255,.12);
      transition:all .2s ease;
    }
    .entry:hover{
      transform:translateY(-1px);
      border-color:rgba(108,167,255,.3);
      box-shadow:0 0 0 3px rgba(108,167,255,.08);
    }
    .entry-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:8px;
    }
    .entry-top strong{font-size:15px}
    .entry-top span{
      color:#a7b8d8;
      font-size:12px;
    }
    .entry p{
      margin:0;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .chips{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(160,187,255,.14);
      background:rgba(13,20,39,.55);
      color:#dce7ff;
      font-size:13px;
      transition:all .2s ease;
    }
    .chip:hover,.chip:focus-visible{
      outline:none;
      transform:translateY(-1px);
      border-color:rgba(108,167,255,.36);
      box-shadow:0 0 0 3px rgba(108,167,255,.1);
    }
    .chip.active{
      background:linear-gradient(135deg, rgba(108,167,255,.2), rgba(141,121,255,.16));
      border-color:rgba(108,167,255,.42);
    }
    .feature-side{
      display:grid;
      gap:14px;
    }
    .mini-card{
      padding:18px;
      border-radius:22px;
      background:rgba(16,26,51,.72);
      border:1px solid rgba(160,187,255,.14);
      box-shadow:var(--shadow);
    }
    .mini-card h4{margin:0 0 8px;font-size:17px;font-weight:800}
    .mini-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .mini-card .link{
      display:inline-flex;
      margin-top:14px;
      color:#fff;
      font-weight:700;
      font-size:13px;
    }
    .compare{
      padding:34px 0 8px;
    }
    .compare-grid{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:16px;
    }
    .compare-card{
      padding:22px;
      border-radius:24px;
      background:rgba(16,26,51,.76);
      border:1px solid rgba(160,187,255,.14);
      box-shadow:var(--shadow);
    }
    .compare-card h3{
      margin:0 0 12px;
      font-size:22px;
      font-weight:800;
    }
    .compare-head{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:14px;
      color:#dce7ff;
      font-size:13px;
    }
    .compare-list{
      display:grid;
      gap:10px;
    }
    .compare-row{
      display:grid;
      grid-template-columns: 120px 1fr;
      gap:12px;
      align-items:start;
      padding:12px 0;
      border-top:1px solid rgba(160,187,255,.08);
    }
    .compare-row:first-child{border-top:none;padding-top:0}
    .compare-row .k{
      color:#bbcae8;
      font-size:13px;
      letter-spacing:.02em;
    }
    .compare-row .v{
      color:#eef4ff;
      font-size:14px;
      line-height:1.7;
    }
    .compare-strip{
      margin-top:16px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .flag{
      padding:8px 12px;
      border-radius:999px;
      background:rgba(108,167,255,.09);
      border:1px solid rgba(108,167,255,.16);
      color:#e7efff;
      font-size:12px;
    }
    .faq{
      padding:34px 0 10px;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details.faq-item{
      border-radius:20px;
      border:1px solid rgba(160,187,255,.14);
      background:rgba(16,26,51,.72);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    details.faq-item[open]{
      border-color:rgba(108,167,255,.38);
      box-shadow:0 0 0 1px rgba(108,167,255,.16), 0 18px 48px rgba(4,10,20,.34);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      font-weight:700;
    }
    summary::-webkit-details-marker{display:none}
    summary span{
      color:#fff;
      font-size:15px;
    }
    summary em{
      font-style:normal;
      color:#a9b9d8;
      font-size:12px;
      white-space:nowrap;
    }
    .faq-body{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.78;
    }
    .cta{
      padding:34px 0 28px;
    }
    .cta-card{
      padding:24px;
      border-radius:28px;
      border:1px solid rgba(160,187,255,.16);
      background:
        linear-gradient(180deg, rgba(18,29,55,.88), rgba(9,15,29,.84));
      box-shadow:var(--shadow);
    }
    .cta-grid{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:18px;
      align-items:start;
    }
    .form-wrap{
      border-radius:24px;
      padding:20px;
      background:rgba(13,20,39,.62);
      border:1px solid rgba(160,187,255,.12);
    }
    .field{
      display:grid;
      gap:8px;
      margin-bottom:14px;
    }
    .field label{
      font-size:13px;
      color:#dce7ff;
    }
    .input,.select,.textarea{
      width:100%;
      min-height:46px;
      padding:12px 14px;
      border-radius:14px;
      border:1px solid rgba(160,187,255,.14);
      background:rgba(8,14,28,.66);
      color:#f2f6ff;
      outline:none;
      transition:all .2s ease;
    }
    .input::placeholder,.textarea::placeholder{color:#889abf}
    .input:focus,.select:focus,.textarea:focus{
      border-color:rgba(108,167,255,.45);
      box-shadow:0 0 0 3px rgba(108,167,255,.12);
    }
    .choice-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .choice{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(18,29,55,.7);
      border:1px solid rgba(160,187,255,.14);
      color:#dce7ff;
      font-size:13px;
      cursor:pointer;
      transition:all .2s ease;
      user-select:none;
    }
    .choice input{accent-color:#6ca7ff}
    .choice:hover{border-color:rgba(108,167,255,.32)}
    .fineprint{
      color:#9db0d4;
      font-size:12px;
      line-height:1.7;
      margin-top:12px;
    }
    .right-card{
      display:grid;
      gap:14px;
    }
    .update-box{
      padding:18px;
      border-radius:22px;
      background:rgba(16,26,51,.72);
      border:1px solid rgba(160,187,255,.14);
    }
    .update-box h3{margin:0 0 8px;font-size:18px;font-weight:800}
    .update-box ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .update-box li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#dbe6fb;
      font-size:13px;
      line-height:1.6;
    }
    .update-box i{
      flex:0 0 auto;
      width:20px;height:20px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(108,167,255,.14);
      color:#fff;
      font-style:normal;
      margin-top:2px;
    }
    .site-footer{
      margin-top:20px;
      padding:30px 0 26px;
      border-top:1px solid rgba(160,187,255,.08);
      background:linear-gradient(180deg, rgba(7,16,30,.2), rgba(4,9,18,.55));
    }
    .footer-grid{
      display:grid;
      grid-template-columns: 1.2fr .8fr .8fr .8fr;
      gap:18px;
      padding-bottom:18px;
    }
    .footer-brand p{
      color:var(--muted);
      font-size:14px;
      margin:12px 0 0;
      line-height:1.8;
    }
    .footer-title{
      font-size:14px;
      color:#fff;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      color:#c5d2ee;
      font-size:13px;
    }
    .footer-links a,.footer-links span{
      color:#c5d2ee;
    }
    .footer-links a:hover,.footer-links a:focus-visible{
      outline:none;
      color:#fff;
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .copyright{
      padding-top:16px;
      border-top:1px solid rgba(160,187,255,.08);
      display:flex;
      flex-wrap:wrap;
      gap:10px 18px;
      justify-content:space-between;
      color:#93a6c9;
      font-size:12px;
    }
    .mobile-panel{
      display:none;
      padding:0 0 16px;
    }
    .mobile-panel .nav-search{width:100%;min-width:0;margin:0 0 10px}
    .mobile-panel .main-nav{
      width:100%;
      border-radius:20px;
      justify-content:space-between;
    }
    .age-gate{
      position:fixed;
      inset:0;
      z-index:100;
      display:grid;
      place-items:center;
      background:rgba(4,8,16,.72);
      backdrop-filter: blur(16px);
      padding:18px;
    }
    .age-card{
      width:min(560px,100%);
      border-radius:28px;
      border:1px solid rgba(160,187,255,.16);
      background:linear-gradient(180deg, rgba(18,29,55,.96), rgba(10,15,28,.94));
      box-shadow:0 30px 90px rgba(0,0,0,.52);
      overflow:hidden;
    }
    .age-card .inner{
      padding:24px;
    }
    .age-kicker{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(213,113,147,.12);
      border:1px solid rgba(213,113,147,.2);
      color:#ffd9e4;
      font-size:12px;
      letter-spacing:.08em;
    }
    .age-card h2{
      margin:14px 0 10px;
      font-size:28px;
      line-height:1.2;
      font-weight:800;
    }
    .age-card p{
      margin:0;
      color:#c0d0f0;
      font-size:14px;
      line-height:1.75;
    }
    .age-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      padding:0 24px 24px;
    }
    .age-links{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      padding:0 24px 24px;
      color:#9db0d4;
      font-size:12px;
    }
    .hidden-panel{display:none}
    .fade-in{animation:fadeIn .34s ease both}
    @keyframes fadeIn{
      from{opacity:0;transform:translateY(8px)}
      to{opacity:1;transform:translateY(0)}
    }
    @media (max-width: 1024px){
      .hero-grid,.matrix-grid,.compare-grid,.cta-grid,.footer-grid{grid-template-columns:1fr}
      .feature-hero{grid-template-columns:1fr}
      .coupon-mini-grid{grid-template-columns:repeat(3,1fr)}
      .stats-grid{grid-template-columns:repeat(2,1fr)}
      .nav-search{min-width:240px}
    }
    @media (max-width: 768px){
      .brand-row{gap:10px}
      .main-nav,.nav-search{display:none}
      .menu-button{display:inline-flex;margin-left:auto}
      .mobile-panel{display:none}
      .mobile-panel.open{display:block}
      .hero{padding-top:22px}
      .hero-grid{padding:20px}
      .hero h1{font-size:clamp(30px, 9vw, 40px)}
      .stats-grid{grid-template-columns:1fr 1fr}
      .coupon-mini-grid{grid-template-columns:1fr}
      .compare-row{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .age-card h2{font-size:24px}
    }
    @media (max-width: 520px){
      .container{width:min(100% - 24px, 1240px)}
      .hero-grid,.cta-card,.compare-card,.feature-card.large{padding:18px}
      .coupon-main{min-height:auto}
      .stats-grid{grid-template-columns:1fr}
      .coupon-big{font-size:22px}
      .hero-actions,.chips,.choice-row{gap:8px}
      .btn-primary,.btn-secondary,.btn-ghost{width:100%}
      .copyright{flex-direction:column}
      summary{padding:16px}
      .faq-body{padding:0 16px 16px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important}
    }