/* roulang page: index */
:root {
      --bg: #08070b;
      --bg-soft: #0e0b13;
      --panel: rgba(18, 15, 25, .92);
      --panel-2: rgba(26, 23, 34, .86);
      --gold: #d6b46a;
      --gold-bright: #f0d58a;
      --purple: #7c3aed;
      --rose: #b8325e;
      --text: #f7f1e8;
      --muted: #cfc7ba;
      --weak: #8c8492;
      --line: rgba(240, 213, 138, .18);
      --line-purple: rgba(124, 58, 237, .24);
      --radius: 24px;
      --radius-lg: 34px;
      --shadow: 0 28px 80px rgba(0, 0, 0, .48);
      --glow: 0 0 0 1px rgba(240, 213, 138, .18), 0 20px 70px rgba(214, 180, 106, .10);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(124, 58, 237, .28), transparent 34%),
        radial-gradient(circle at 82% 18%, rgba(184, 50, 94, .22), transparent 31%),
        radial-gradient(circle at 52% 86%, rgba(214, 180, 106, .12), transparent 28%),
        var(--bg);
      line-height: 1.75;
      overflow-x: hidden;
      padding-bottom: env(safe-area-inset-bottom);
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image:
        linear-gradient(rgba(240, 213, 138, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240, 213, 138, .035) 1px, transparent 1px),
        linear-gradient(135deg, transparent 0, transparent 48%, rgba(255,255,255,.025) 50%, transparent 52%, transparent 100%);
      background-size: 56px 56px, 56px 56px, 18px 18px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), rgba(0,0,0,.22));
      z-index: -1;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select { font: inherit; }
    button { cursor: pointer; }
    img, svg { display: block; max-width: 100%; }
    .site-container { width: min(100% - 40px, 1280px); margin-inline: auto; }
    .gold-text {
      background: linear-gradient(92deg, #fff2bf 0%, #d6b46a 45%, #ffdf86 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .glass-panel {
      background: linear-gradient(145deg, rgba(18,15,25,.96), rgba(12,10,16,.92));
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .fine-card {
      background: linear-gradient(150deg, rgba(26,23,34,.92), rgba(13,11,18,.92));
      border: 1px solid rgba(240, 213, 138, .14);
      border-radius: var(--radius);
      box-shadow: 0 18px 55px rgba(0,0,0,.34);
      transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease;
    }
    .fine-card:hover {
      transform: translateY(-5px);
      border-color: rgba(240, 213, 138, .36);
      box-shadow: var(--glow);
      background: linear-gradient(150deg, rgba(31,27,40,.96), rgba(15,12,20,.94));
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      min-height: 48px;
      padding: .85rem 1.15rem;
      border-radius: 999px;
      font-weight: 800;
      letter-spacing: .01em;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      color: #15100a;
      background: linear-gradient(135deg, #f4dda0, #d6b46a 52%, #fff0b8);
      box-shadow: 0 16px 45px rgba(214,180,106,.24), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 58px rgba(214,180,106,.36); filter: brightness(1.04); }
    .btn-secondary {
      color: var(--gold-bright);
      background: rgba(14, 11, 19, .72);
      border-color: rgba(240, 213, 138, .30);
    }
    .btn-secondary:hover { transform: translateY(-2px); background: rgba(240,213,138,.10); border-color: rgba(240,213,138,.55); }
    .btn:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
      outline: 3px solid rgba(240, 213, 138, .62);
      outline-offset: 4px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      border: 1px solid rgba(240,213,138,.22);
      background: rgba(240,213,138,.08);
      color: #f6df9b;
      border-radius: 999px;
      padding: .38rem .75rem;
      font-size: .84rem;
      font-weight: 700;
    }
    .badge-purple {
      border-color: rgba(124,58,237,.35);
      background: rgba(124,58,237,.14);
      color: #d8c8ff;
    }
    .section {
      padding: 86px 0;
      position: relative;
    }
    .section-title {
      font-size: clamp(1.75rem, 3.4vw, 3rem);
      line-height: 1.16;
      font-weight: 900;
      letter-spacing: -.04em;
      margin: 0;
    }
    .section-desc {
      color: var(--muted);
      max-width: 760px;
      margin-top: 1rem;
      font-size: 1.03rem;
    }
    .topbar {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(16px);
      background: rgba(8,7,11,.78);
      border-bottom: 1px solid rgba(240,213,138,.14);
    }
    .nav-link {
      color: var(--muted);
      font-weight: 700;
      padding: .72rem .9rem;
      border-radius: 999px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--gold-bright);
      background: rgba(240,213,138,.08);
    }
    .logo-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #1a1206;
      font-weight: 900;
      background: linear-gradient(135deg, #f5e1a6, #c89d45);
      box-shadow: 0 10px 35px rgba(214,180,106,.22);
    }
    .hero {
      padding: 118px 0 56px;
    }
    .hero-stage {
      position: relative;
      min-height: 620px;
      border-radius: 42px;
      overflow: hidden;
      border: 1px solid rgba(240,213,138,.22);
      background:
        linear-gradient(115deg, rgba(8,7,11,.92) 0%, rgba(20,14,25,.84) 50%, rgba(58,22,45,.72) 100%),
        radial-gradient(circle at 72% 44%, rgba(240,213,138,.26), transparent 34%);
      box-shadow: 0 45px 120px rgba(0,0,0,.55);
    }
    .hero-stage::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity: .38;
      mask-image: radial-gradient(circle at 60% 45%, rgba(0,0,0,.9), transparent 70%);
    }
    .hero-stage::after {
      content: "限时权益校准";
      position: absolute;
      right: clamp(18px, 4vw, 58px);
      top: clamp(18px, 4vw, 46px);
      transform: rotate(8deg);
      padding: .75rem 1rem;
      border-radius: 18px;
      font-weight: 900;
      color: #170d06;
      background: linear-gradient(135deg, #ffd98b, #d6b46a);
      box-shadow: 0 18px 45px rgba(214,180,106,.25);
      border: 1px solid rgba(255,255,255,.34);
    }
    .pass-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 14px;
    }
    .pass-tile {
      min-height: 132px;
      border-radius: 22px;
      padding: 18px;
      border: 1px solid rgba(240,213,138,.16);
      background: rgba(8,7,11,.52);
      position: relative;
      overflow: hidden;
    }
    .pass-tile::after {
      content: "";
      position: absolute;
      width: 86px;
      height: 86px;
      border-radius: 50%;
      right: -28px;
      bottom: -34px;
      background: radial-gradient(circle, rgba(214,180,106,.23), transparent 68%);
    }
    .comparison-wrap {
      overflow-x: auto;
      padding-bottom: 10px;
      scrollbar-color: rgba(214,180,106,.5) rgba(255,255,255,.06);
    }
    .comparison-table {
      min-width: 860px;
      border-collapse: separate;
      border-spacing: 0;
      width: 100%;
      overflow: hidden;
      border-radius: 26px;
      border: 1px solid rgba(240,213,138,.18);
      background: rgba(18,15,25,.84);
    }
    .comparison-table th, .comparison-table td {
      padding: 20px;
      text-align: left;
      border-bottom: 1px solid rgba(255,255,255,.07);
      border-right: 1px solid rgba(255,255,255,.06);
    }
    .comparison-table th {
      color: #fff0b8;
      background: rgba(240,213,138,.07);
      font-weight: 900;
    }
    .comparison-table tr:hover td { background: rgba(240,213,138,.045); }
    .comparison-table td { color: var(--muted); }
    .check { color: var(--gold-bright); font-weight: 900; }
    .dash { color: #736d7b; }
    .level-card.recommended {
      border-color: rgba(240,213,138,.52);
      box-shadow: 0 0 0 1px rgba(240,213,138,.18), 0 28px 90px rgba(214,180,106,.16);
    }
    .progress-bar {
      height: 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }
    .progress-bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, #b8325e, #d6b46a, #f0d58a);
      box-shadow: 0 0 28px rgba(214,180,106,.34);
    }
    .preview-card.large { grid-row: span 2; }
    .news-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
      color: var(--muted);
      transition: color .2s ease, transform .2s ease;
    }
    .news-list a:hover { color: var(--gold-bright); transform: translateX(4px); }
    details.faq-item {
      border-radius: 22px;
      border: 1px solid rgba(240,213,138,.14);
      background: rgba(18,15,25,.82);
      overflow: hidden;
      transition: border-color .25s ease, background .25s ease;
    }
    details.faq-item[open] {
      border-color: rgba(240,213,138,.42);
      background: rgba(24,20,31,.94);
    }
    .faq-item summary {
      list-style: none;
      padding: 22px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      font-weight: 850;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: "+";
      color: var(--gold-bright);
      font-size: 1.35rem;
      line-height: 1;
    }
    .faq-item[open] summary::after { content: "−"; }
    .faq-answer {
      padding: 0 24px 24px 24px;
      color: var(--muted);
      border-left: 3px solid rgba(240,213,138,.58);
      margin-left: 24px;
      margin-bottom: 22px;
    }
    .bottom-tab {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 60;
      background: rgba(14,11,19,.94);
      backdrop-filter: blur(18px);
      border-top: 1px solid rgba(240,213,138,.18);
      padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
      display: none;
    }
    .tab-link {
      min-height: 48px;
      border-radius: 16px;
      color: var(--weak);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 2px;
      font-size: .76rem;
      font-weight: 800;
      transition: color .2s ease, background .2s ease;
    }
    .tab-link.active, .tab-link:hover {
      color: var(--gold-bright);
      background: rgba(240,213,138,.08);
    }
    .footer-link {
      color: var(--muted);
      transition: color .2s ease;
    }
    .footer-link:hover { color: var(--gold-bright); }

    @media (max-width: 1024px) {
      .hero-stage { min-height: auto; }
      .hero { padding-top: 98px; }
      .section { padding: 72px 0; }
    }
    @media (max-width: 768px) {
      .site-container { width: min(100% - 32px, 1280px); }
      .desktop-nav { display: none !important; }
      .bottom-tab { display: block; }
      body { padding-bottom: 78px; }
      .hero { padding: 92px 0 42px; }
      .hero-stage { border-radius: 30px; }
      .hero-stage::after { font-size: .82rem; right: 16px; top: 14px; }
      .pass-grid { grid-template-columns: 1fr; }
      .preview-card.large { grid-row: auto; }
      .section { padding: 58px 0; }
      .btn { width: 100%; }
      .mobile-inline-btn { width: auto; }
    }
    @media (max-width: 520px) {
      .site-container { width: min(100% - 24px, 1280px); }
      .hero-stage { border-radius: 24px; }
      .section-title { letter-spacing: -.03em; }
      .comparison-table { min-width: 760px; }
      .faq-item summary { padding: 18px; }
      .faq-answer { margin-left: 18px; padding-right: 18px; }
    }

/* roulang page: category2 */
:root{
      --bg:#08070b;
      --bg-2:#0e0b13;
      --panel:#121019;
      --panel-2:#1a1722;
      --gold:#f0d58a;
      --gold-2:#d6b46a;
      --purple:#7c3aed;
      --rose:#b8325e;
      --text:#f7f1e8;
      --muted:#cfc7ba;
      --weak:#8c8492;
      --line:rgba(240,213,138,.16);
      --line-2:rgba(124,58,237,.22);
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 80px rgba(0,0,0,.46);
      --glow:0 0 40px rgba(240,213,138,.14);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 5%, rgba(124,58,237,.23), transparent 28%),
        radial-gradient(circle at 88% 16%, rgba(184,50,94,.17), transparent 30%),
        radial-gradient(circle at 48% 76%, rgba(214,180,106,.10), transparent 34%),
        linear-gradient(180deg,#08070b 0%,#0e0b13 48%,#08070b 100%);
      line-height:1.75;
      padding-bottom:0;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(240,213,138,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(240,213,138,.03) 1px, transparent 1px),
        linear-gradient(115deg, transparent 0 47%, rgba(255,255,255,.035) 48%, transparent 49% 100%);
      background-size:42px 42px,42px 42px,120px 120px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.18));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img,svg{max-width:100%;display:block}
    .site-container{
      width:min(100% - 32px,1280px);
      margin-inline:auto;
    }
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,7,11,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
      box-shadow:0 14px 45px rgba(0,0,0,.28);
    }
    .logo-mark{
      width:42px;
      height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      border-radius:16px;
      color:#121019;
      font-weight:950;
      background:linear-gradient(135deg,#fff3b0 0%,#d6b46a 45%,#9b6d2a 100%);
      box-shadow:0 0 0 1px rgba(255,255,255,.18) inset,0 14px 32px rgba(214,180,106,.22);
    }
    .desktop-nav{display:flex}
    .nav-link{
      min-height:42px;
      display:inline-flex;
      align-items:center;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      letter-spacing:-.02em;
      transition:.22s ease;
      border:1px solid transparent;
    }
    .nav-link:hover{
      color:var(--gold);
      border-color:rgba(240,213,138,.18);
      background:rgba(240,213,138,.07);
    }
    .nav-link.active{
      color:#16110a;
      background:linear-gradient(135deg,#f0d58a,#d6b46a);
      box-shadow:0 10px 30px rgba(214,180,106,.18);
    }
    .btn{
      min-height:50px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      border-radius:999px;
      padding:0 22px;
      font-weight:900;
      letter-spacing:-.02em;
      border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0)}
    .btn:focus-visible,.nav-link:focus-visible,.footer-link:focus-visible,.tab-link:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
      outline:2px solid var(--gold);
      outline-offset:3px;
    }
    .btn-primary{
      color:#120e09;
      background:linear-gradient(135deg,#fff0aa 0%,#f0d58a 45%,#d6b46a 100%);
      box-shadow:0 18px 42px rgba(214,180,106,.22), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover{box-shadow:0 22px 58px rgba(214,180,106,.32), inset 0 1px 0 rgba(255,255,255,.55)}
    .btn-secondary{
      color:var(--gold);
      background:rgba(18,16,25,.72);
      border-color:rgba(240,213,138,.24);
    }
    .btn-secondary:hover{background:rgba(240,213,138,.10);border-color:rgba(240,213,138,.44)}
    .section{
      padding:72px 0;
      position:relative;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      border:1px solid rgba(240,213,138,.22);
      color:var(--gold);
      background:rgba(240,213,138,.07);
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:900;
    }
    .gold-text{
      background:linear-gradient(135deg,#fff2ad,#f0d58a 42%,#d6b46a 78%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-inner{
      min-height:620px;
      display:grid;
      align-items:center;
      padding:74px 0 40px;
    }
    .hero-stage{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(240,213,138,.19);
      background:
        linear-gradient(180deg,rgba(8,7,11,.18),rgba(8,7,11,.88)),
        radial-gradient(circle at 76% 28%, rgba(240,213,138,.20), transparent 24%),
        radial-gradient(circle at 22% 18%, rgba(124,58,237,.24), transparent 36%),
        linear-gradient(135deg,rgba(26,23,34,.95),rgba(12,10,17,.95));
      box-shadow:var(--shadow),var(--glow);
    }
    .hero-stage:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.06), transparent 18% 82%, rgba(240,213,138,.08)),
        repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 8px);
      opacity:.58;
    }
    .hero-stage:after{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-120px;
      top:-90px;
      border-radius:999px;
      background:rgba(184,50,94,.24);
      filter:blur(34px);
    }
    .hero-content{
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      padding:46px;
      align-items:center;
    }
    .hero-title{
      font-size:clamp(2.35rem,6vw,4.65rem);
      line-height:1.06;
      font-weight:950;
      letter-spacing:-.065em;
    }
    .hero-copy{
      margin-top:22px;
      color:var(--muted);
      font-size:17px;
      max-width:680px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .rule-list{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:30px;
    }
    .rule-pill{
      border:1px solid rgba(255,255,255,.10);
      background:rgba(8,7,11,.48);
      border-radius:18px;
      padding:13px 14px;
      color:var(--muted);
      font-size:14px;
    }
    .visual-panel{
      position:relative;
      border-radius:30px;
      border:1px solid rgba(240,213,138,.20);
      background:rgba(10,9,14,.72);
      padding:18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .preview-screen{
      min-height:350px;
      border-radius:24px;
      overflow:hidden;
      position:relative;
      border:1px solid rgba(124,58,237,.22);
      background:
        linear-gradient(150deg,rgba(240,213,138,.09),transparent 30%),
        radial-gradient(circle at 50% 42%, rgba(240,213,138,.18), transparent 18%),
        linear-gradient(135deg,#17131e,#08070b);
    }
    .preview-screen:before{
      content:"";
      position:absolute;
      inset:-40%;
      background:conic-gradient(from 180deg, transparent, rgba(240,213,138,.16), transparent, rgba(124,58,237,.16), transparent);
      animation:spin 12s linear infinite;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    .screen-mask{
      position:absolute;
      inset:1px;
      border-radius:23px;
      background:
        linear-gradient(180deg,transparent,rgba(8,7,11,.72)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 18px);
    }
    .play-btn{
      position:absolute;
      left:50%;
      top:50%;
      transform:translate(-50%,-50%);
      width:86px;
      height:86px;
      border-radius:999px;
      border:1px solid rgba(240,213,138,.42);
      background:rgba(8,7,11,.72);
      display:flex;
      align-items:center;
      justify-content:center;
      box-shadow:0 0 42px rgba(240,213,138,.26);
      color:var(--gold);
      font-weight:950;
    }
    .play-btn span{
      width:0;height:0;
      border-top:14px solid transparent;
      border-bottom:14px solid transparent;
      border-left:20px solid var(--gold);
      margin-left:5px;
    }
    .floating-card{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      border:1px solid rgba(240,213,138,.16);
      border-radius:22px;
      background:rgba(14,11,19,.86);
      backdrop-filter:blur(10px);
      padding:16px;
    }
    .status-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 18px rgba(240,213,138,.8);
    }
    .metric-strip{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:1px;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(240,213,138,.14);
      background:rgba(240,213,138,.08);
      margin-top:18px;
    }
    .metric{
      background:rgba(12,10,17,.88);
      padding:18px;
    }
    .metric strong{font-size:24px;color:var(--gold);line-height:1}
    .metric p{margin-top:6px;color:var(--weak);font-size:13px}
    .panel,.card{
      border:1px solid var(--line);
      background:rgba(18,15,25,.86);
      border-radius:var(--radius);
      box-shadow:0 18px 60px rgba(0,0,0,.30);
    }
    .section-head{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:28px;
      align-items:end;
      margin-bottom:26px;
    }
    .section-title{
      margin-top:14px;
      font-size:clamp(1.75rem,4vw,3rem);
      line-height:1.14;
      letter-spacing:-.05em;
      font-weight:950;
    }
    .section-desc{
      color:var(--muted);
      max-width:720px;
    }
    .filter-row{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:4px 0 16px;
      scrollbar-width:none;
    }
    .filter-row::-webkit-scrollbar{display:none}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(240,213,138,.16);
      background:rgba(240,213,138,.06);
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .tag.is-gold{color:#17110b;background:linear-gradient(135deg,#f0d58a,#d6b46a)}
    .bento{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:18px;
      align-items:stretch;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .entry-card{
      position:relative;
      overflow:hidden;
      padding:24px;
      min-height:220px;
      transition:.24s ease;
    }
    .entry-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,213,138,.36);
      box-shadow:0 24px 70px rgba(0,0,0,.44),0 0 34px rgba(214,180,106,.10);
    }
    .entry-card.large{
      min-height:458px;
      background:
        radial-gradient(circle at 80% 16%, rgba(240,213,138,.16), transparent 28%),
        linear-gradient(145deg,rgba(26,23,34,.96),rgba(12,10,17,.96));
    }
    .entry-card:before{
      content:"";
      position:absolute;
      inset:auto -30px -30px auto;
      width:140px;height:140px;
      border-radius:999px;
      background:rgba(124,58,237,.12);
      filter:blur(18px);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      font-weight:950;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(8,7,11,.52);
      color:var(--gold);
    }
    .badge.purple{color:#ded0ff;border-color:rgba(124,58,237,.28);background:rgba(124,58,237,.12)}
    .badge.rose{color:#ffd7e2;border-color:rgba(184,50,94,.30);background:rgba(184,50,94,.13)}
    .badge.muted{color:var(--weak)}
    .entry-title{
      margin-top:18px;
      font-size:24px;
      line-height:1.22;
      letter-spacing:-.035em;
      font-weight:950;
    }
    .entry-copy{margin-top:12px;color:var(--muted);font-size:15px}
    .entry-meta{
      margin-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:var(--weak);
      font-size:13px;
    }
    .summary-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:18px;
    }
    .summary-box{padding:24px}
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:var(--muted);
      padding:12px;
      border-radius:16px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
    }
    .check-icon{
      width:22px;height:22px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      flex:0 0 auto;
      color:#16110a;background:var(--gold);
      font-size:13px;font-weight:950;
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .step{
      padding:20px;
      border-radius:22px;
      border:1px solid rgba(240,213,138,.14);
      background:linear-gradient(180deg,rgba(18,15,25,.88),rgba(12,10,17,.88));
      transition:.22s ease;
    }
    .step:hover{transform:translateY(-3px);border-color:rgba(240,213,138,.32)}
    .step-num{
      width:36px;height:36px;border-radius:14px;
      display:flex;align-items:center;justify-content:center;
      color:#15100a;background:linear-gradient(135deg,#f0d58a,#d6b46a);
      font-weight:950;
      margin-bottom:16px;
    }
    .faq-list{display:grid;gap:12px}
    details.faq-item{
      border:1px solid rgba(240,213,138,.14);
      border-radius:20px;
      background:rgba(18,15,25,.84);
      overflow:hidden;
      transition:.22s ease;
    }
    details.faq-item[open]{border-color:rgba(240,213,138,.34);box-shadow:0 18px 48px rgba(0,0,0,.24)}
    .faq-item summary{
      list-style:none;
      padding:19px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:950;
      cursor:pointer;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      width:28px;height:28px;border-radius:50%;
      display:flex;align-items:center;justify-content:center;
      color:var(--gold);
      border:1px solid rgba(240,213,138,.18);
      transition:.2s ease;
      flex:0 0 auto;
    }
    .faq-item[open] summary:after{content:"−";background:rgba(240,213,138,.10)}
    .faq-answer{
      padding:0 22px 20px;
      color:var(--muted);
      border-left:3px solid rgba(240,213,138,.55);
      margin-left:22px;
      margin-bottom:18px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(240,213,138,.25);
      background:
        radial-gradient(circle at 83% 18%,rgba(240,213,138,.22),transparent 28%),
        radial-gradient(circle at 18% 95%,rgba(124,58,237,.20),transparent 28%),
        linear-gradient(135deg,rgba(26,23,34,.96),rgba(8,7,11,.96));
      box-shadow:var(--shadow),0 0 60px rgba(240,213,138,.10);
      padding:34px;
    }
    .cta-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 12px);
      opacity:.45;
    }
    .cta-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
    .footer-link{color:var(--muted);transition:.2s ease}
    .footer-link:hover{color:var(--gold);transform:translateX(2px)}
    .mobile-tabs{
      display:none;
      position:fixed;
      left:0;right:0;bottom:0;
      z-index:60;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(14,11,19,.92);
      backdrop-filter:blur(18px);
      border-top:1px solid rgba(240,213,138,.18);
      box-shadow:0 -18px 45px rgba(0,0,0,.42);
    }
    .tab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
    .tab-link{
      min-height:48px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:2px;
      border-radius:16px;
      color:var(--weak);
      font-size:12px;
      font-weight:900;
      transition:.2s ease;
      position:relative;
    }
    .tab-link svg{width:19px;height:19px}
    .tab-link.active{color:var(--gold);background:rgba(240,213,138,.08)}
    .tab-link.active:after{
      content:"";
      position:absolute;
      top:5px;
      width:5px;height:5px;border-radius:999px;
      background:var(--gold);
      box-shadow:0 0 10px rgba(240,213,138,.9);
    }
    @media (max-width:1024px){
      .hero-content,.section-head,.summary-layout,.cta-content{grid-template-columns:1fr}
      .hero-content{padding:32px}
      .bento{grid-template-columns:1fr}
      .process{grid-template-columns:repeat(2,minmax(0,1fr))}
      .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:768px){
      body{padding-bottom:78px}
      .desktop-nav{display:none!important}
      .mobile-tabs{display:block}
      .site-container{width:min(100% - 28px,1280px)}
      .topbar .site-container{height:66px}
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .section{padding:52px 0}
      .hero-inner{min-height:auto;padding:40px 0 24px}
      .hero-stage{border-radius:26px}
      .hero-content{padding:24px;gap:24px}
      .hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}
      .rule-list{grid-template-columns:1fr}
      .preview-screen{min-height:300px}
      .entry-grid{grid-template-columns:1fr}
      .entry-card.large{min-height:300px}
      .process{grid-template-columns:1fr}
      .cta-panel{padding:24px}
      .cta-content .btn{width:100%}
    }
    @media (max-width:520px){
      .hero-title{font-size:2.3rem}
      .section-title{font-size:1.8rem}
      .metric{padding:15px}
      .entry-card{padding:20px}
      .faq-item summary{padding:17px 18px}
      .faq-answer{margin-left:18px;padding-right:18px}
    }

/* roulang page: category1 */
:root{
      --bg:#08070b;
      --bg-2:#0e0b13;
      --panel:#121019;
      --panel-2:#1a1722;
      --gold:#f0d58a;
      --gold-2:#d6b46a;
      --purple:#7c3aed;
      --rose:#b8325e;
      --text:#f7f1e8;
      --muted:#cfc7ba;
      --subtle:#8c8492;
      --line:rgba(240,213,138,.16);
      --line-2:rgba(124,58,237,.22);
      --radius:24px;
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --glow:0 0 0 1px rgba(240,213,138,.12),0 18px 60px rgba(214,180,106,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(circle at 12% 8%, rgba(124,58,237,.24), transparent 34%),
        radial-gradient(circle at 82% 20%, rgba(184,50,94,.18), transparent 32%),
        radial-gradient(circle at 52% 78%, rgba(214,180,106,.12), transparent 36%),
        linear-gradient(180deg,#08070b 0%,#0e0b13 48%,#08070b 100%);
      color:var(--text);
      line-height:1.75;
      min-height:100vh;
      padding-bottom:0;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    img,svg{display:block;max-width:100%}
    ::selection{background:rgba(240,213,138,.28);color:#fff}
    .site-container{width:min(100% - 32px, 1240px);margin-inline:auto}
    .topbar{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,7,11,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(240,213,138,.14);
      box-shadow:0 14px 40px rgba(0,0,0,.28);
    }
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#100b05;
      font-weight:900;
      background:linear-gradient(135deg,#fff2b2 0%,#d6b46a 48%,#9f6b2f 100%);
      box-shadow:0 10px 28px rgba(214,180,106,.2), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .desktop-nav{display:flex}
    .nav-link{
      position:relative;
      min-height:44px;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:15px;
      font-weight:700;
      transition:.22s ease;
      outline:none;
    }
    .nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
    .nav-link.active{
      color:var(--gold);
      background:rgba(240,213,138,.1);
      box-shadow:inset 0 0 0 1px rgba(240,213,138,.18);
    }
    .nav-link:focus-visible,.btn:focus-visible,.bottom-tab a:focus-visible,.filter-chip:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
      outline:2px solid rgba(240,213,138,.78);
      outline-offset:3px;
    }
    .btn{
      min-height:48px;
      border-radius:999px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 20px;
      font-weight:900;
      letter-spacing:-.02em;
      transition:.24s ease;
      border:1px solid transparent;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#140f08;
      background:linear-gradient(135deg,#fff0a8 0%,#f0d58a 38%,#c89343 100%);
      box-shadow:0 12px 36px rgba(214,180,106,.22), inset 0 1px 0 rgba(255,255,255,.5);
    }
    .btn-primary:hover{transform:translateY(-2px);filter:saturate(1.08) brightness(1.05);box-shadow:0 18px 48px rgba(214,180,106,.28)}
    .btn-secondary{
      color:var(--gold);
      background:rgba(18,15,25,.72);
      border-color:rgba(240,213,138,.25);
    }
    .btn-secondary:hover{background:rgba(240,213,138,.12);transform:translateY(-2px);border-color:rgba(240,213,138,.42)}
    .badge,.filter-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:7px 12px;
      font-size:13px;
      font-weight:800;
      color:var(--gold);
      background:rgba(240,213,138,.09);
      border:1px solid rgba(240,213,138,.18);
    }
    .filter-chip{
      color:var(--muted);
      background:rgba(18,15,25,.75);
      border-color:rgba(255,255,255,.09);
      transition:.2s ease;
      white-space:nowrap;
    }
    .filter-chip:hover,.filter-chip.active{color:var(--gold);border-color:rgba(240,213,138,.32);background:rgba(240,213,138,.1)}
    .hero{
      position:relative;
      overflow:hidden;
      padding:54px 0 36px;
      border-bottom:1px solid rgba(240,213,138,.1);
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(115deg, transparent 0 45%, rgba(240,213,138,.06) 45.2%, transparent 45.8% 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 76px);
      mask-image:linear-gradient(180deg,#000,transparent 90%);
    }
    .gold-text{
      background:linear-gradient(135deg,#fff3b6 0%,#f0d58a 42%,#b9833a 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .panel{
      background:linear-gradient(180deg,rgba(26,23,34,.9),rgba(14,11,19,.86));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .metric-card,.content-card,.rule-card,.step-card,.faq-item{
      background:rgba(18,15,25,.84);
      border:1px solid rgba(240,213,138,.14);
      border-radius:22px;
      box-shadow:0 18px 54px rgba(0,0,0,.25);
      transition:.24s ease;
    }
    .content-card:hover,.rule-card:hover,.step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,213,138,.36);
      box-shadow:var(--glow);
    }
    .section{padding:72px 0}
    .section-tight{padding:52px 0}
    .section-title{font-size:clamp(28px,4vw,46px);line-height:1.12;font-weight:900;letter-spacing:-.055em}
    .section-lead{color:var(--muted);font-size:16px;max-width:760px}
    .divider{height:1px;background:linear-gradient(90deg,transparent,rgba(240,213,138,.28),rgba(124,58,237,.2),transparent)}
    .rule-number{
      width:38px;
      height:38px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#130e08;
      font-weight:900;
      background:linear-gradient(135deg,#f0d58a,#b9873d);
      box-shadow:0 10px 28px rgba(214,180,106,.16);
      flex:0 0 auto;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--gold);
      box-shadow:0 0 18px rgba(240,213,138,.65);
    }
    .table-wrap{
      overflow-x:auto;
      border-radius:24px;
      border:1px solid rgba(240,213,138,.15);
      background:rgba(8,7,11,.55);
      box-shadow:var(--shadow);
    }
    .benefit-table{min-width:820px;width:100%;border-collapse:separate;border-spacing:0}
    .benefit-table th,.benefit-table td{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
    .benefit-table th{color:var(--gold);font-size:14px;background:rgba(240,213,138,.06)}
    .benefit-table td{color:var(--muted)}
    .benefit-table tr:hover td{background:rgba(240,213,138,.045)}
    .benefit-table tr:last-child td{border-bottom:0}
    .check{color:var(--gold);font-weight:900}
    .dash{color:var(--subtle)}
    .recommended{
      position:relative;
      background:linear-gradient(180deg,rgba(240,213,138,.1),rgba(18,15,25,.55)) !important;
      box-shadow:inset 1px 0 0 rgba(240,213,138,.16), inset -1px 0 0 rgba(240,213,138,.16);
    }
    details.faq-item{overflow:hidden}
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:22px 24px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:900;
      color:var(--text);
      border-radius:22px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .faq-body{padding:0 24px 22px;color:var(--muted);border-left:3px solid rgba(240,213,138,.55);margin-left:24px}
    .faq-icon{color:var(--gold);transition:.2s ease}
    details[open] .faq-icon{transform:rotate(45deg)}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:30px;
      border:1px solid rgba(240,213,138,.28);
      background:
        radial-gradient(circle at 18% 20%, rgba(240,213,138,.22), transparent 30%),
        radial-gradient(circle at 85% 60%, rgba(124,58,237,.22), transparent 34%),
        linear-gradient(135deg,rgba(26,23,34,.94),rgba(8,7,11,.92));
      box-shadow:0 30px 90px rgba(0,0,0,.42);
    }
    .cta-band:after{
      content:"";
      position:absolute;
      inset:0;
      background:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 1px,transparent 1px 14px);
      opacity:.4;
      pointer-events:none;
    }
    .footer-link{color:var(--muted);transition:.2s ease}
    .footer-link:hover{color:var(--gold);transform:translateX(2px)}
    .bottom-tab{
      position:fixed;
      left:0;
      right:0;
      bottom:0;
      z-index:60;
      display:none;
      padding:8px 12px calc(8px + env(safe-area-inset-bottom));
      background:rgba(14,11,19,.94);
      backdrop-filter:blur(16px);
      border-top:1px solid rgba(240,213,138,.16);
      box-shadow:0 -18px 42px rgba(0,0,0,.38);
    }
    .bottom-tab .tab-item{
      min-height:48px;
      border-radius:16px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:2px;
      color:var(--subtle);
      font-size:12px;
      font-weight:800;
      transition:.2s ease;
      position:relative;
    }
    .bottom-tab .tab-item:hover{background:rgba(255,255,255,.05);color:var(--muted)}
    .bottom-tab .tab-item.active{color:var(--gold);background:rgba(240,213,138,.08)}
    .bottom-tab .tab-item.active:before{
      content:"";
      position:absolute;
      top:5px;
      width:5px;
      height:5px;
      border-radius:999px;
      background:var(--gold);
      box-shadow:0 0 14px rgba(240,213,138,.8);
    }
    .bottom-tab svg{width:20px;height:20px}
    .form-field{
      width:100%;
      min-height:48px;
      border-radius:16px;
      background:rgba(8,7,11,.55);
      border:1px solid rgba(255,255,255,.1);
      color:var(--text);
      padding:12px 14px;
      outline:none;
      transition:.2s ease;
    }
    .form-field:focus{border-color:rgba(240,213,138,.55);box-shadow:0 0 0 4px rgba(240,213,138,.08)}
    @media (max-width:1024px){
      .section{padding:60px 0}
      .desktop-nav{display:none}
    }
    @media (max-width:768px){
      body{padding-bottom:76px}
      .bottom-tab{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
      .hero{padding:38px 0 26px}
      .site-container{width:min(100% - 28px, 1240px)}
      .panel,.cta-band{border-radius:24px}
      details.faq-item summary{padding:18px}
      .faq-body{padding:0 18px 18px;margin-left:18px}
    }
    @media (max-width:520px){
      .btn{width:100%;padding-inline:16px}
      .logo-mark{width:38px;height:38px;border-radius:14px}
      .section{padding:48px 0}
      .section-tight{padding:40px 0}
      .filter-scroll{overflow-x:auto;padding-bottom:8px}
      .filter-scroll::-webkit-scrollbar{display:none}
    }