/* roulang page: index */
:root {
      --bg: #12070d;
      --bg-2: #1a0b14;
      --bg-3: #24101d;
      --card: rgba(255, 255, 255, .065);
      --card-strong: rgba(255, 255, 255, .095);
      --line: rgba(255, 255, 255, .12);
      --line-hot: rgba(255, 45, 111, .58);
      --text: #fff7fa;
      --muted: #c8aeb8;
      --weak: #8b727d;
      --hot: #ff2d6f;
      --hot-2: #ff5a8f;
      --orange: #ff9a3d;
      --violet: #7c3aed;
      --cyan: #38bdf8;
      --radius-xl: 30px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 12px;
      --shadow: 0 28px 80px rgba(0, 0, 0, .38);
      --shadow-hot: 0 24px 70px rgba(255, 45, 111, .18);
      --container: 1200px;
      --nav-h: 72px;
      --font: PingFang SC, Microsoft YaHei, Noto Sans SC, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg);
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(255, 45, 111, .22), transparent 31%),
        radial-gradient(circle at 86% 20%, rgba(255, 154, 61, .16), transparent 27%),
        radial-gradient(circle at 70% 82%, rgba(124, 58, 237, .16), transparent 35%),
        linear-gradient(180deg, #12070d 0%, #1a0b14 48%, #10060b 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .22;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: radial-gradient(circle at center, black 0%, transparent 82%);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input, textarea {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(255,45,111,.45);
      color: #fff;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 50;
      pointer-events: none;
    }

    .nav-shell {
      pointer-events: auto;
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
      min-height: var(--nav-h);
      border: 1px solid var(--line);
      border-radius: 999px;
      background: rgba(20, 8, 15, .76);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      box-shadow: 0 18px 60px rgba(0,0,0,.38);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 10px 12px 10px 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      font-weight: 850;
      letter-spacing: -.02em;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 14px;
      background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,.8), transparent 18%),
        linear-gradient(135deg, var(--hot), var(--orange));
      box-shadow: 0 10px 28px rgba(255,45,111,.35);
      position: relative;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      left: 8px;
      right: 8px;
      top: 18px;
      border-top: 2px dashed rgba(255,255,255,.72);
    }

    .brand-text {
      max-width: 310px;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      font-size: 15px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 5px;
      border-radius: 999px;
      background: rgba(255,255,255,.045);
      border: 1px solid rgba(255,255,255,.06);
    }

    .nav-links a {
      padding: 9px 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 750;
      transition: .22s ease;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: #fff;
      background: rgba(255,255,255,.08);
      outline: none;
    }

    .nav-links a.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255,45,111,.85), rgba(255,154,61,.72));
      box-shadow: 0 10px 26px rgba(255,45,111,.24);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--hot), var(--orange));
      color: #fff;
      font-size: 14px;
      font-weight: 850;
      box-shadow: 0 14px 36px rgba(255,45,111,.32), inset 0 1px 0 rgba(255,255,255,.34);
      transition: .22s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      filter: brightness(1.06);
      box-shadow: 0 18px 44px rgba(255,45,111,.42);
    }

    .nav-cta:active,
    .btn:active {
      transform: scale(.98);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 999px;
      color: #fff;
      background: rgba(255,255,255,.08);
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 10px;
      background: #fff;
      transition: .22s ease;
      content: "";
      position: relative;
    }

    .menu-toggle span::before {
      position: absolute;
      top: -6px;
    }

    .menu-toggle span::after {
      position: absolute;
      top: 6px;
    }

    .mobile-panel {
      display: none;
      width: min(var(--container), calc(100% - 32px));
      margin: 10px auto 0;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: rgba(20, 8, 15, .94);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
      padding: 12px;
      pointer-events: auto;
    }

    .mobile-panel a {
      display: block;
      padding: 13px 14px;
      border-radius: 16px;
      color: var(--muted);
      font-weight: 760;
    }

    .mobile-panel a:hover,
    .mobile-panel a.active {
      color: #fff;
      background: rgba(255,45,111,.18);
    }

    .mobile-panel .nav-cta {
      width: 100%;
      margin-top: 8px;
    }

    main {
      position: relative;
    }

    section {
      padding: 86px 0;
    }

    .hero {
      min-height: 820px;
      padding: 148px 0 78px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      left: 50%;
      top: 116px;
      width: min(1180px, calc(100% - 34px));
      height: 520px;
      transform: translateX(-50%);
      border-radius: 42px;
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px) 0 0 / 80px 100%,
        radial-gradient(circle at 20% 20%, rgba(255,45,111,.34), transparent 34%),
        radial-gradient(circle at 80% 45%, rgba(255,154,61,.25), transparent 34%),
        linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: var(--shadow);
      opacity: .72;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 180px;
      background: linear-gradient(180deg, transparent, var(--bg-2));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      gap: 36px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 50px 0 0 18px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255,45,111,.35);
      background: rgba(255,45,111,.11);
      color: #ffd7e2;
      font-size: 13px;
      font-weight: 850;
      margin-bottom: 20px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--orange);
      box-shadow: 0 0 16px rgba(255,154,61,.85);
    }

    h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -.055em;
      font-weight: 900;
      max-width: 760px;
    }

    .gradient-text {
      background: linear-gradient(90deg, #fff 0%, #ffd5e1 40%, #ff9a3d 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-sub {
      max-width: 690px;
      margin-top: 22px;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 14px;
      transition: .22s ease;
      outline: none;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--hot), var(--orange));
      box-shadow: var(--shadow-hot), inset 0 1px 0 rgba(255,255,255,.28);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-2px);
      filter: brightness(1.06);
      box-shadow: 0 28px 74px rgba(255,45,111,.32);
    }

    .btn-secondary {
      color: #fff0f5;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.07);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-2px);
      border-color: rgba(255,45,111,.55);
      background: rgba(255,45,111,.12);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
      color: #f7dbe4;
      font-size: 13px;
      font-weight: 760;
    }

    .tag.hot {
      border-color: rgba(255,45,111,.42);
      background: rgba(255,45,111,.14);
      color: #ffd9e4;
    }

    .tag.orange {
      border-color: rgba(255,154,61,.42);
      background: rgba(255,154,61,.12);
      color: #ffe1c7;
    }

    .hero-stage {
      position: relative;
      min-height: 560px;
      display: grid;
      grid-template-columns: 1fr .74fr;
      gap: 18px;
      align-items: end;
      padding: 14px;
    }

    .vertical-card {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      border: 1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(circle at 40% 20%, rgba(255,45,111,.48), transparent 32%),
        radial-gradient(circle at 80% 70%, rgba(255,154,61,.22), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.045));
      box-shadow: var(--shadow-hot);
      min-height: 520px;
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transform: rotate(-1.5deg);
    }

    .vertical-card::before,
    .ticket-card::before,
    .cta-panel::before {
      content: "";
      position: absolute;
      left: -12px;
      top: 44%;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg);
      box-shadow: calc(100vw + 24px) 0 0 var(--bg);
      opacity: .9;
    }

    .vertical-card::after {
      content: "";
      position: absolute;
      inset: 18px;
      border-radius: 24px;
      border: 1px dashed rgba(255,255,255,.22);
      pointer-events: none;
    }

    .cover-abstract {
      height: 250px;
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(255,255,255,.20), transparent 24%),
        radial-gradient(circle at 26% 28%, rgba(255,255,255,.38), transparent 11%),
        radial-gradient(circle at 72% 60%, rgba(255,45,111,.55), transparent 18%),
        linear-gradient(145deg, rgba(255,45,111,.36), rgba(124,58,237,.28), rgba(255,154,61,.22));
      filter: saturate(1.18);
      position: relative;
      overflow: hidden;
    }

    .cover-abstract::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent 0 36%, rgba(255,255,255,.12) 36% 38%, transparent 38% 100%);
      transform: skewX(-18deg);
    }

    .stage-title {
      position: relative;
      z-index: 2;
    }

    .stage-title b {
      display: block;
      font-size: 28px;
      line-height: 1.18;
      letter-spacing: -.04em;
      margin: 18px 0 8px;
    }

    .stage-title p {
      color: var(--muted);
      font-size: 14px;
    }

    .stage-side {
      display: grid;
      gap: 16px;
      padding-bottom: 22px;
    }

    .mini-ticket {
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(18,7,13,.72);
      backdrop-filter: blur(12px);
      padding: 18px;
      box-shadow: 0 16px 44px rgba(0,0,0,.28);
      transition: .22s ease;
    }

    .mini-ticket:hover {
      transform: translateY(-4px);
      border-color: rgba(255,45,111,.42);
      background: rgba(255,255,255,.08);
    }

    .mini-ticket strong {
      display: block;
      font-size: 16px;
      margin-bottom: 4px;
    }

    .mini-ticket span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(280px, .45fr);
      gap: 24px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: #ffd0dc;
      font-size: 13px;
      font-weight: 850;
      letter-spacing: .08em;
      margin-bottom: 8px;
    }

    h2 {
      font-size: clamp(26px, 3.4vw, 38px);
      line-height: 1.16;
      letter-spacing: -.04em;
      font-weight: 900;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.9;
    }

    .comparison {
      padding-top: 96px;
      background: linear-gradient(180deg, rgba(26,11,20,.24), transparent);
    }

    .plans {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .ticket-card {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.085), rgba(255,255,255,.045));
      padding: 22px;
      box-shadow: 0 18px 52px rgba(0,0,0,.26);
      transition: .24s ease;
    }

    .ticket-card::after {
      content: "";
      position: absolute;
      left: 22px;
      right: 22px;
      top: 78px;
      border-top: 1px dashed rgba(255,255,255,.18);
    }

    .ticket-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,45,111,.45);
      box-shadow: var(--shadow-hot);
    }

    .ticket-card.featured {
      border-color: rgba(255,45,111,.68);
      background:
        radial-gradient(circle at 70% 0%, rgba(255,45,111,.22), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
    }

    .plan-top {
      min-height: 82px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 12px;
      position: relative;
      z-index: 2;
    }

    .plan-name {
      font-size: 22px;
      font-weight: 900;
      letter-spacing: -.03em;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 6px 10px;
      border-radius: 999px;
      color: #fff;
      font-size: 12px;
      font-weight: 850;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.14);
      white-space: nowrap;
    }

    .badge.hot-badge {
      background: linear-gradient(135deg, var(--hot), var(--orange));
      border-color: transparent;
      box-shadow: 0 8px 24px rgba(255,45,111,.25);
    }

    .plan-list {
      list-style: none;
      display: grid;
      gap: 12px;
      margin: 18px 0 22px;
    }

    .plan-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .plan-list li::before {
      content: "●";
      color: var(--hot);
      font-size: 12px;
      transform: translateY(1px);
    }

    .ticket-card .btn {
      width: 100%;
    }

    .kpi-strip {
      padding: 50px 0;
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 14px;
      border-radius: 30px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(90deg, rgba(255,45,111,.12), transparent 34%),
        rgba(255,255,255,.055);
      padding: 16px;
    }

    .kpi {
      padding: 18px;
      border-radius: 22px;
      background: rgba(0,0,0,.14);
      border: 1px solid rgba(255,255,255,.08);
    }

    .kpi b {
      display: block;
      font-size: 30px;
      line-height: 1;
      color: #fff;
      margin-bottom: 8px;
    }

    .kpi span {
      color: var(--muted);
      font-size: 13px;
    }

    .levels-wrap {
      display: grid;
      grid-template-columns: .8fr 1.15fr;
      gap: 24px;
      align-items: center;
    }

    .levels-note {
      border-radius: 30px;
      padding: 28px;
      border: 1px solid rgba(255,154,61,.26);
      background:
        radial-gradient(circle at 12% 0%, rgba(255,154,61,.2), transparent 34%),
        rgba(255,255,255,.055);
      box-shadow: 0 20px 70px rgba(255,154,61,.08);
    }

    .levels-note p {
      color: var(--muted);
      margin-top: 14px;
    }

    .level-cards {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      align-items: center;
    }

    .level-card {
      min-height: 360px;
      border-radius: 30px;
      border: 1px solid var(--line);
      background: var(--card);
      padding: 20px;
      position: relative;
      overflow: hidden;
      transition: .24s ease;
    }

    .level-card:nth-child(2) {
      min-height: 410px;
      border-color: rgba(255,45,111,.52);
      background:
        radial-gradient(circle at 50% 0%, rgba(255,45,111,.22), transparent 36%),
        rgba(255,255,255,.075);
    }

    .level-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,154,61,.45);
      box-shadow: 0 22px 60px rgba(255,45,111,.16);
    }

    .level-no {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--hot), var(--orange));
      margin-bottom: 18px;
    }

    .level-card h3 {
      font-size: 21px;
      margin-bottom: 10px;
    }

    .level-card p {
      color: var(--muted);
      font-size: 14px;
      min-height: 75px;
    }

    .check-list {
      list-style: none;
      display: grid;
      gap: 10px;
      margin-top: 18px;
      padding-top: 18px;
      border-top: 1px dashed rgba(255,255,255,.16);
    }

    .check-list li {
      color: #ead4dc;
      font-size: 13px;
      display: flex;
      gap: 8px;
    }

    .check-list li::before {
      content: "✓";
      color: var(--orange);
      font-weight: 900;
    }

    .updates {
      background: linear-gradient(180deg, transparent, rgba(255,255,255,.025), transparent);
    }

    .update-grid {
      display: grid;
      grid-template-columns: minmax(0, .92fr) 360px;
      gap: 20px;
      align-items: start;
    }

    .update-list {
      border-radius: 30px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.055);
      overflow: hidden;
    }

    .update-item {
      display: grid;
      grid-template-columns: 130px minmax(0,1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 18px 20px;
      border-bottom: 1px dashed rgba(255,255,255,.12);
      transition: .22s ease;
    }

    .update-item:last-child {
      border-bottom: 0;
    }

    .update-item:hover {
      background: rgba(255,45,111,.08);
    }

    .update-date {
      color: var(--orange);
      font-size: 13px;
      font-weight: 850;
    }

    .update-item a {
      font-size: 17px;
      font-weight: 850;
      color: #fff;
    }

    .update-item p {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
      margin-top: 2px;
    }

    .update-state {
      color: #ffd9e4;
      font-size: 12px;
      font-weight: 850;
      border: 1px solid rgba(255,45,111,.34);
      background: rgba(255,45,111,.11);
      padding: 5px 9px;
      border-radius: 999px;
      white-space: nowrap;
    }

    .side-ticket {
      position: sticky;
      top: 112px;
      border-radius: 30px;
      padding: 22px;
      border: 1px solid rgba(255,154,61,.28);
      background:
        radial-gradient(circle at 80% 0%, rgba(255,154,61,.22), transparent 35%),
        rgba(255,255,255,.06);
      box-shadow: 0 22px 70px rgba(0,0,0,.22);
    }

    .side-ticket h3 {
      font-size: 20px;
      margin: 12px 0 8px;
    }

    .side-ticket p {
      color: var(--muted);
      font-size: 14px;
    }

    .preview-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 380px;
      gap: 22px;
      align-items: start;
    }

    .preview-flow {
      columns: 2 270px;
      column-gap: 18px;
    }

    .preview-card {
      break-inside: avoid;
      margin-bottom: 18px;
      border-radius: 28px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.06);
      overflow: hidden;
      transition: .24s ease;
    }

    .preview-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,45,111,.45);
      box-shadow: 0 20px 55px rgba(255,45,111,.14);
    }

    .preview-cover {
      height: 170px;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.22), transparent 14%),
        radial-gradient(circle at 75% 55%, rgba(255,45,111,.42), transparent 28%),
        linear-gradient(135deg, rgba(255,154,61,.2), rgba(124,58,237,.25), rgba(255,45,111,.18));
      transition: .24s ease;
    }

    .preview-card:hover .preview-cover {
      transform: scale(1.025);
      filter: saturate(1.2);
    }

    .preview-body {
      padding: 18px;
    }

    .preview-body h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .preview-body p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .steps-card {
      position: sticky;
      top: 112px;
      border-radius: 30px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.065);
      padding: 22px;
    }

    .step-list {
      list-style: none;
      display: grid;
      gap: 14px;
      margin-top: 18px;
    }

    .step-list li {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 20px;
      background: rgba(0,0,0,.15);
      border: 1px solid rgba(255,255,255,.08);
    }

    .step-list b {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: rgba(255,154,61,.15);
      color: var(--orange);
      font-weight: 900;
    }

    .step-list strong {
      display: block;
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .step-list span {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .triple-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0,1fr));
      gap: 18px;
    }

    .selling-card {
      border-radius: 30px;
      border: 1px solid var(--line);
      background:
        radial-gradient(circle at 88% 10%, rgba(255,45,111,.16), transparent 30%),
        rgba(255,255,255,.055);
      padding: 24px;
      transition: .24s ease;
      min-height: 230px;
    }

    .selling-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,154,61,.42);
      box-shadow: 0 20px 60px rgba(0,0,0,.24);
    }

    .icon-pill {
      width: 52px;
      height: 52px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      font-size: 24px;
      margin-bottom: 18px;
      background: linear-gradient(135deg, rgba(255,45,111,.24), rgba(255,154,61,.18));
      border: 1px solid rgba(255,255,255,.12);
    }

    .selling-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .selling-card p {
      color: var(--muted);
      font-size: 14px;
    }

    .lead-panel {
      display: grid;
      grid-template-columns: minmax(0, .86fr) minmax(320px, .58fr);
      gap: 22px;
      border-radius: 34px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at 16% 14%, rgba(255,45,111,.18), transparent 32%),
        rgba(255,255,255,.055);
      padding: 28px;
      box-shadow: var(--shadow);
    }

    .lead-panel p {
      color: var(--muted);
      margin-top: 14px;
    }

    .lead-form {
      display: grid;
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 7px;
    }

    .field label {
      color: #f7dce5;
      font-size: 13px;
      font-weight: 800;
    }

    .field input,
    .field textarea {
      width: 100%;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(0,0,0,.2);
      color: #fff;
      border-radius: 16px;
      min-height: 48px;
      padding: 12px 14px;
      outline: none;
      transition: .2s ease;
      resize: vertical;
    }

    .field input::placeholder,
    .field textarea::placeholder {
      color: rgba(200,174,184,.55);
    }

    .field input:focus,
    .field textarea:focus {
      border-color: rgba(255,45,111,.72);
      box-shadow: 0 0 0 4px rgba(255,45,111,.18);
    }

    .form-hint {
      color: var(--orange);
      font-size: 12px;
      line-height: 1.6;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .72fr 1fr;
      gap: 24px;
      align-items: start;
    }

    .faq-aside {
      border-radius: 30px;
      border: 1px solid rgba(255,45,111,.28);
      background:
        radial-gradient(circle at 20% 0%, rgba(255,45,111,.2), transparent 38%),
        rgba(255,255,255,.055);
      padding: 24px;
      position: sticky;
      top: 112px;
    }

    .faq-aside p {
      color: var(--muted);
      margin-top: 12px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    details {
      border-radius: 22px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
      overflow: hidden;
      transition: .22s ease;
    }

    details[open] {
      border-color: rgba(255,45,111,.5);
      background: rgba(255,45,111,.075);
      box-shadow: 0 16px 44px rgba(255,45,111,.1);
    }

    summary {
      min-height: 56px;
      padding: 17px 54px 17px 18px;
      cursor: pointer;
      list-style: none;
      font-weight: 850;
      position: relative;
      color: #fff;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::after {
      content: "⌄";
      position: absolute;
      right: 18px;
      top: 15px;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(255,255,255,.08);
      color: var(--orange);
      transition: .22s ease;
    }

    details[open] summary::after {
      transform: rotate(180deg);
      background: rgba(255,45,111,.18);
      color: #fff;
    }

    details p {
      color: var(--muted);
      padding: 0 18px 18px;
      font-size: 14px;
      line-height: 1.8;
    }

    .final-cta {
      padding-bottom: 96px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      border: 1px solid rgba(255,255,255,.18);
      background:
        radial-gradient(circle at 88% 16%, rgba(255,255,255,.25), transparent 18%),
        linear-gradient(135deg, rgba(255,45,111,.88), rgba(255,154,61,.72) 52%, rgba(124,58,237,.65));
      padding: 40px;
      box-shadow: 0 30px 90px rgba(255,45,111,.25);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px dashed rgba(255,255,255,.3);
      border-radius: 28px;
      pointer-events: none;
    }

    .cta-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
    }

    .cta-content h2 {
      max-width: 760px;
    }

    .cta-content p {
      max-width: 760px;
      color: rgba(255,255,255,.86);
      margin-top: 12px;
    }

    .age-check {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-top: 18px;
      padding: 10px 13px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.28);
      background: rgba(0,0,0,.18);
      color: #fff;
      font-size: 13px;
      font-weight: 780;
    }

    .age-check i {
      width: 18px;
      height: 18px;
      display: grid;
      place-items: center;
      border-radius: 6px;
      background: rgba(255,255,255,.22);
      font-style: normal;
    }

    .cta-actions {
      display: grid;
      gap: 12px;
      min-width: 190px;
    }

    .cta-actions .btn-secondary {
      background: rgba(0,0,0,.18);
    }

    .site-footer {
      border-top: 1px dashed rgba(255,255,255,.16);
      background: rgba(8,3,6,.72);
      padding: 46px 0 34px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: start;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-text {
      color: var(--muted);
      max-width: 640px;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      padding: 8px 11px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.09);
      background: rgba(255,255,255,.035);
      font-size: 13px;
      font-weight: 760;
      transition: .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      border-color: rgba(255,45,111,.4);
      background: rgba(255,45,111,.1);
    }

    .copyright {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: space-between;
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .nav-links,
      .nav-shell > .nav-cta {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .mobile-panel.open {
        display: block;
      }

      .hero {
        min-height: auto;
        padding-top: 122px;
      }

      .hero-inner,
      .levels-wrap,
      .update-grid,
      .preview-layout,
      .lead-panel,
      .faq-grid,
      .cta-content {
        grid-template-columns: 1fr;
      }

      .hero-copy {
        padding: 18px 0 0;
      }

      .hero-stage {
        min-height: auto;
        grid-template-columns: 1fr 1fr;
      }

      .vertical-card {
        min-height: 450px;
      }

      .section-head {
        grid-template-columns: 1fr;
      }

      .plans,
      .triple-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }

      .kpi-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
      }

      .level-cards {
        grid-template-columns: 1fr;
      }

      .level-card,
      .level-card:nth-child(2) {
        min-height: auto;
      }

      .side-ticket,
      .steps-card,
      .faq-aside {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 720px) {
      section {
        padding: 64px 0;
      }

      .site-header {
        top: 10px;
      }

      .nav-shell {
        width: calc(100% - 20px);
        border-radius: 24px;
        padding-left: 12px;
      }

      .brand-text {
        max-width: 190px;
        font-size: 13px;
      }

      .hero {
        padding-top: 104px;
      }

      .hero::before {
        top: 92px;
        height: 640px;
        border-radius: 30px;
      }

      .hero-stage {
        grid-template-columns: 1fr;
        padding: 0;
      }

      .vertical-card {
        transform: none;
        min-height: 430px;
      }

      .stage-side {
        grid-template-columns: 1fr;
      }

      .hero-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }

      .plans {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 10px;
      }

      .ticket-card {
        min-width: 82%;
        scroll-snap-align: start;
      }

      .kpi-grid,
      .triple-grid {
        grid-template-columns: 1fr;
      }

      .update-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .preview-flow {
        columns: 1;
      }

      .cta-panel {
        padding: 28px 20px;
        border-radius: 30px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-links {
        justify-content: flex-start;
      }

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .container {
        width: calc(100% - 24px);
      }

      h1 {
        font-size: 32px;
      }

      .hero-sub,
      .section-desc {
        font-size: 15px;
      }

      .ticket-card {
        min-width: 90%;
      }

      .lead-panel {
        padding: 20px;
        border-radius: 28px;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#12070D;
      --bg-2:#1A0B14;
      --panel:#21111A;
      --panel-2:rgba(255,255,255,.065);
      --text:#FFF7FA;
      --muted:#C8AEB8;
      --weak:#8B727D;
      --line:rgba(255,255,255,.12);
      --line-strong:rgba(255,255,255,.2);
      --hot:#FF2D6F;
      --orange:#FF9A3D;
      --violet:#7C3AED;
      --cyan:#38BDF8;
      --radius:24px;
      --radius-lg:34px;
      --shadow:0 24px 70px rgba(255,45,111,.16);
      --shadow-soft:0 16px 42px rgba(0,0,0,.32);
      --container:1200px;
      --nav-h:72px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 4%, rgba(255,45,111,.28), transparent 34%),
        radial-gradient(circle at 86% 22%, rgba(255,154,61,.16), transparent 30%),
        radial-gradient(circle at 55% 110%, rgba(124,58,237,.2), transparent 36%),
        linear-gradient(180deg,var(--bg),#180913 48%,#0E060B);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.18;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:radial-gradient(circle at top, #000 0%, transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img,svg{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    ::selection{background:rgba(255,45,111,.42);color:#fff}
    :focus-visible{outline:3px solid rgba(255,45,111,.55);outline-offset:3px}
    .container{
      width:min(calc(100% - 40px), var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:fixed;
      top:18px;
      left:0;
      right:0;
      z-index:50;
      padding-inline:18px;
    }
    .nav-shell{
      width:min(100%,1180px);
      min-height:var(--nav-h);
      margin:auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 18px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      background:rgba(20,8,15,.74);
      box-shadow:0 20px 60px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.06);
      backdrop-filter:blur(16px);
      -webkit-backdrop-filter:blur(16px);
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:850;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-text{font-size:16px}
    .brand-mark{
      width:32px;
      height:32px;
      border-radius:50%;
      position:relative;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--hot),var(--orange));
      box-shadow:0 0 28px rgba(255,45,111,.42);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      top:50%;
      transform:translateY(-50%);
      width:7px;
      height:7px;
      border-radius:50%;
      background:#170710;
      opacity:.72;
    }
    .brand-mark:before{left:5px}
    .brand-mark:after{right:5px}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:5px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.04);
    }
    .nav-links a,.mobile-panel a:not(.nav-cta){
      color:var(--muted);
      font-size:14px;
      font-weight:750;
      padding:10px 15px;
      border-radius:999px;
      transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
    }
    .nav-links a:hover,.mobile-panel a:not(.nav-cta):hover{
      color:var(--text);
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-links a.active,.mobile-panel a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,45,111,.92),rgba(255,154,61,.82));
      box-shadow:0 10px 24px rgba(255,45,111,.22);
    }
    .nav-cta,.btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 20px;
      border-radius:999px;
      color:#fff;
      font-weight:850;
      letter-spacing:.01em;
      background:linear-gradient(135deg,var(--hot),var(--orange));
      box-shadow:0 16px 38px rgba(255,45,111,.28), inset 0 1px 0 rgba(255,255,255,.26);
      transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
      white-space:nowrap;
    }
    .nav-cta:hover,.btn:hover{
      transform:translateY(-2px);
      filter:brightness(1.06);
      box-shadow:0 22px 54px rgba(255,45,111,.38);
    }
    .nav-cta:active,.btn:active,.btn-secondary:active{transform:scale(.98)}
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:12px 20px;
      border-radius:999px;
      color:var(--text);
      font-weight:800;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.055);
      transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      border-color:rgba(255,45,111,.62);
      background:rgba(255,45,111,.1);
    }
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";
      position:absolute;
      width:18px;
      height:2px;
      border-radius:999px;
      background:#fff;
      left:50%;
      transform:translateX(-50%);
      transition:.25s var(--ease);
    }
    .menu-toggle span{top:22px}
    .menu-toggle span:before{top:-6px}
    .menu-toggle span:after{top:6px}
    .menu-toggle[aria-expanded="true"] span{background:transparent}
    .menu-toggle[aria-expanded="true"] span:before{top:0;transform:translateX(-50%) rotate(45deg)}
    .menu-toggle[aria-expanded="true"] span:after{top:0;transform:translateX(-50%) rotate(-45deg)}
    .mobile-panel{
      width:min(calc(100% - 36px),560px);
      margin:10px auto 0;
      display:none;
      flex-direction:column;
      gap:8px;
      padding:14px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:26px;
      background:rgba(20,8,15,.92);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(16px);
    }
    .mobile-panel.open{display:flex}
    main{padding-top:112px}
    .hero{
      position:relative;
      padding:54px 0 42px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(340px,.72fr);
      gap:28px;
      align-items:stretch;
    }
    .eyebrow,.tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      width:max-content;
      max-width:100%;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      padding:7px 12px;
      background:rgba(255,255,255,.06);
      color:#FFE8F0;
      font-size:13px;
      font-weight:800;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--hot);
      box-shadow:0 0 16px rgba(255,45,111,.8);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin:18px 0 18px;
      max-width:850px;
      font-size:clamp(32px,5.2vw,58px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:900;
    }
    .lead{
      max-width:780px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:24px;
    }
    .hero-actions,.section-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      margin-top:22px;
    }
    .quick-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .tag{
      color:var(--muted);
      background:rgba(255,255,255,.055);
      transition:.25s var(--ease);
    }
    .tag:hover{
      color:#fff;
      border-color:rgba(255,45,111,.54);
      background:rgba(255,45,111,.11);
      transform:translateY(-2px);
    }
    .hero-panel,.card,.ticket-card,.side-card,.faq details,.cta-panel{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .hero-panel{
      padding:22px;
      min-height:420px;
    }
    .hero-panel:before,.ticket-card:before,.cta-panel:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:
        radial-gradient(circle at 0 28%, rgba(18,7,13,1) 0 14px, transparent 15px),
        radial-gradient(circle at 100% 70%, rgba(18,7,13,1) 0 14px, transparent 15px);
      opacity:.9;
    }
    .slot-title{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      color:#fff;
      font-weight:850;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:850;
      color:#1A070E;
      background:linear-gradient(135deg,#FFD1DE,#FF9A3D);
    }
    .time-choice{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .choice{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:12px;
      align-items:center;
      padding:14px;
      border:1px dashed rgba(255,255,255,.16);
      border-radius:20px;
      background:rgba(255,255,255,.045);
      transition:.25s var(--ease);
    }
    .choice:hover{
      transform:translateX(3px);
      border-color:rgba(255,45,111,.58);
      background:rgba(255,45,111,.08);
    }
    .choice-num{
      width:36px;
      height:36px;
      border-radius:50%;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--hot),var(--violet));
      box-shadow:0 0 22px rgba(255,45,111,.26);
    }
    .choice strong{display:block;font-size:15px}
    .choice span{display:block;color:var(--muted);font-size:13px;line-height:1.45}
    .choice small{color:#FFC1D2;font-weight:850}
    .age-note{
      margin-top:16px;
      padding:14px 16px;
      border-radius:20px;
      border:1px solid rgba(255,154,61,.34);
      background:rgba(255,154,61,.08);
      color:#FFD9B7;
      font-size:14px;
    }
    section{padding:58px 0}
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,.82fr) minmax(280px,.38fr);
      align-items:end;
      gap:24px;
      margin-bottom:26px;
    }
    .section-kicker{
      color:#FFB6CA;
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
      margin-bottom:8px;
    }
    h2{
      font-size:clamp(25px,3.2vw,38px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:900;
      margin-bottom:10px;
    }
    .section-desc{
      color:var(--muted);
      font-size:16px;
      margin:0;
    }
    .filter-panel{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:16px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:26px;
      background:rgba(255,255,255,.04);
    }
    .filter-panel .tag.active{
      color:#fff;
      border-color:rgba(255,45,111,.68);
      background:linear-gradient(135deg,rgba(255,45,111,.28),rgba(255,154,61,.12));
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,8fr) minmax(310px,4fr);
      gap:24px;
      align-items:start;
    }
    .content-stream{
      display:grid;
      gap:18px;
    }
    .card{
      display:grid;
      grid-template-columns:148px 1fr;
      gap:18px;
      padding:16px;
      border-radius:28px;
      transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,45,111,.48);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,45,111,.045));
      box-shadow:var(--shadow);
    }
    .abstract-cover{
      min-height:170px;
      border-radius:22px;
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.1);
      background:
        linear-gradient(135deg,rgba(255,45,111,.82),rgba(124,58,237,.54) 52%,rgba(255,154,61,.7)),
        radial-gradient(circle at 20% 20%,rgba(255,255,255,.42),transparent 22%);
      transition:transform .3s var(--ease);
    }
    .card:hover .abstract-cover{transform:scale(1.025)}
    .abstract-cover:after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:18px;
      border:1px dashed rgba(255,255,255,.32);
      background:linear-gradient(180deg,rgba(18,7,13,.12),rgba(18,7,13,.48));
    }
    .cover-badge{
      position:absolute;
      left:14px;
      bottom:14px;
      z-index:1;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(18,7,13,.68);
      color:#fff;
      font-size:12px;
      font-weight:850;
      backdrop-filter:blur(10px);
    }
    .card-body h3{
      font-size:20px;
      line-height:1.3;
      margin:2px 0 8px;
    }
    .card-body p{
      color:var(--muted);
      font-size:15px;
      margin-bottom:12px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:14px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      color:#FFDCE6;
      font-size:12px;
      font-weight:800;
    }
    .card-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      border-top:1px dashed rgba(255,255,255,.13);
      padding-top:12px;
      color:var(--weak);
      font-size:13px;
    }
    .text-link{
      color:#FFB5C9;
      font-weight:850;
      transition:.25s var(--ease);
    }
    .text-link:hover{color:#fff;text-shadow:0 0 18px rgba(255,45,111,.58)}
    .side-stack{
      position:sticky;
      top:112px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:20px;
      border-radius:30px;
    }
    .side-card.highlight{
      border-color:rgba(255,45,111,.34);
      box-shadow:var(--shadow);
    }
    .side-card h3{
      margin-bottom:10px;
      font-size:20px;
    }
    .side-card p,.side-card li{
      color:var(--muted);
      font-size:14px;
    }
    .benefit-list{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .benefit-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .benefit-list li:before{
      content:"";
      width:9px;
      height:9px;
      margin-top:7px;
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 14px rgba(255,154,61,.6);
      flex:0 0 auto;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .ticket-card{
      padding:18px;
      min-height:170px;
      transition:.25s var(--ease);
    }
    .ticket-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,154,61,.4);
      box-shadow:0 18px 48px rgba(255,154,61,.12);
    }
    .ticket-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      margin-bottom:18px;
      color:#18060D;
      font-weight:950;
      background:linear-gradient(135deg,#FFD2A3,var(--orange));
    }
    .ticket-card h3{font-size:18px;margin-bottom:8px}
    .ticket-card p{color:var(--muted);font-size:14px;margin:0}
    .comparison{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .level-card{
      padding:22px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:30px;
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      transition:.25s var(--ease);
    }
    .level-card.featured{
      border-color:rgba(255,45,111,.46);
      box-shadow:var(--shadow);
      transform:translateY(-10px);
    }
    .level-card:hover{
      transform:translateY(-5px);
      border-color:rgba(255,45,111,.42);
    }
    .level-card.featured:hover{transform:translateY(-14px)}
    .level-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .level-head h3{font-size:21px;margin:0}
    .level-card ul{
      padding:0;
      margin:18px 0 20px;
      list-style:none;
      display:grid;
      gap:11px;
    }
    .level-card li{
      color:var(--muted);
      font-size:14px;
      padding-left:22px;
      position:relative;
    }
    .level-card li:before{
      content:"";
      position:absolute;
      left:0;
      top:.72em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--hot),var(--orange));
    }
    .faq{
      display:grid;
      gap:12px;
      max-width:920px;
    }
    .faq details{
      border-radius:22px;
      padding:0;
      transition:.25s var(--ease);
    }
    .faq details[open]{
      border-color:rgba(255,45,111,.48);
      background:linear-gradient(180deg,rgba(255,45,111,.1),rgba(255,255,255,.035));
    }
    .faq summary{
      list-style:none;
      min-height:58px;
      padding:17px 54px 17px 20px;
      font-weight:850;
      cursor:pointer;
      position:relative;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{
      content:"";
      position:absolute;
      right:22px;
      top:50%;
      width:10px;
      height:10px;
      border-right:2px solid #fff;
      border-bottom:2px solid #fff;
      transform:translateY(-65%) rotate(45deg);
      transition:.25s var(--ease);
    }
    .faq details[open] summary:after{transform:translateY(-35%) rotate(225deg)}
    .faq details p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .cta-panel{
      padding:34px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 18% 20%,rgba(255,255,255,.16),transparent 24%),
        linear-gradient(135deg,rgba(255,45,111,.9),rgba(255,154,61,.72) 52%,rgba(124,58,237,.72));
      box-shadow:0 28px 80px rgba(255,45,111,.28);
    }
    .cta-panel h2{margin-bottom:8px}
    .cta-panel p{color:#FFE5EE;margin:0;max-width:760px}
    .check-line{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:16px;
      color:#fff;
      font-weight:750;
      font-size:14px;
    }
    .check-box{
      width:20px;
      height:20px;
      border-radius:7px;
      display:grid;
      place-items:center;
      background:rgba(18,7,13,.45);
      border:1px solid rgba(255,255,255,.28);
    }
    .check-box:after{content:"✓";font-size:13px;color:#fff}
    .site-footer{
      margin-top:28px;
      padding:44px 0 26px;
      background:rgba(9,4,7,.72);
      border-top:1px dashed rgba(255,255,255,.16);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:30px;
      align-items:start;
    }
    .footer-brand{
      font-size:18px;
      margin-bottom:12px;
    }
    .footer-text{
      max-width:660px;
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:420px;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      font-size:14px;
      transition:.25s var(--ease);
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(255,45,111,.5);
      background:rgba(255,45,111,.1);
    }
    .copyright{
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav-links,.nav-shell>.nav-cta{display:none}
      .menu-toggle{display:block}
      main{padding-top:104px}
      .hero-grid,.section-head,.content-layout,.cta-panel{grid-template-columns:1fr}
      .side-stack{position:static}
      .steps{grid-template-columns:repeat(2,1fr)}
      .comparison{grid-template-columns:1fr;max-width:680px}
      .level-card.featured{transform:none}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:640px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .site-header{top:10px;padding-inline:10px}
      .nav-shell{min-height:62px;padding:8px 9px 8px 13px}
      .brand-text{font-size:14px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
      .brand-mark{width:29px;height:29px}
      .hero{padding-top:34px}
      .lead{font-size:15.5px}
      section{padding:42px 0}
      .hero-panel{min-height:auto;padding:16px;border-radius:28px}
      .choice{grid-template-columns:auto 1fr}
      .choice small{grid-column:2}
      .filter-panel{overflow-x:auto;flex-wrap:nowrap;padding:12px}
      .filter-panel .tag{white-space:nowrap}
      .card{grid-template-columns:1fr;padding:14px}
      .abstract-cover{min-height:190px}
      .steps{grid-template-columns:1fr}
      .cta-panel{padding:24px;border-radius:28px}
      .hero-actions,.section-actions{flex-direction:column;align-items:stretch}
      .btn,.btn-secondary,.nav-cta{width:100%}
      .copyright{flex-direction:column}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category2 */
:root{
      --bg-0:#12070D;
      --bg-1:#1A0B14;
      --bg-2:#24101D;
      --card:#21111A;
      --card-soft:rgba(255,255,255,.065);
      --card-strong:rgba(255,45,111,.12);
      --text:#FFF7FA;
      --muted:#C8AEB8;
      --weak:#8B727D;
      --line:rgba(255,255,255,.11);
      --line-strong:rgba(255,45,111,.38);
      --pink:#FF2D6F;
      --orange:#FF9A3D;
      --purple:#7C3AED;
      --cyan:#38BDF8;
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-pill:999px;
      --shadow-pink:0 24px 70px rgba(255,45,111,.18);
      --shadow-orange:0 18px 54px rgba(255,154,61,.14);
      --shadow-card:0 18px 50px rgba(0,0,0,.35);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 4%, rgba(255,45,111,.27), transparent 34%),
        radial-gradient(circle at 88% 14%, rgba(255,154,61,.18), transparent 30%),
        radial-gradient(circle at 58% 90%, rgba(124,58,237,.18), transparent 34%),
        linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,#10070c);
      min-height:100vh;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 82%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:radial-gradient(rgba(255,255,255,.7) .7px, transparent .8px);
      background-size:4px 4px;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(255,45,111,.48);outline-offset:3px}
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin-inline:auto;
    }
    .site-header{
      position:fixed;
      top:18px;
      left:0;
      width:100%;
      z-index:50;
      padding:0 18px;
    }
    .nav-shell{
      width:min(100%,1180px);
      margin:0 auto;
      min-height:68px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      background:rgba(20,8,15,.76);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 60px rgba(0,0,0,.32);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:10px 12px 10px 18px;
    }
    .brand,.footer-brand{
      display:flex;
      align-items:center;
      gap:10px;
      font-weight:850;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:32px;
      height:32px;
      border-radius:50%;
      position:relative;
      flex:0 0 auto;
      background:linear-gradient(135deg,var(--pink),var(--orange));
      box-shadow:0 0 0 6px rgba(255,45,111,.12),0 0 28px rgba(255,45,111,.42);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border-radius:50%;
      border:2px solid rgba(255,255,255,.72);
    }
    .brand-text{font-size:16px;color:var(--text)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:5px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.06);
    }
    .nav-links a,.mobile-panel a:not(.nav-cta){
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      padding:9px 14px;
      border-radius:var(--radius-pill);
      transition:.25s ease;
    }
    .nav-links a:hover,.mobile-panel a:not(.nav-cta):hover{
      color:var(--text);
      background:rgba(255,255,255,.08);
    }
    .nav-links a.active,.mobile-panel a.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(255,45,111,.95),rgba(255,154,61,.8));
      box-shadow:0 10px 24px rgba(255,45,111,.22);
    }
    .nav-cta,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      color:#fff;
      font-size:14px;
      font-weight:850;
      border-radius:var(--radius-pill);
      padding:11px 18px;
      background:linear-gradient(135deg,var(--pink),var(--orange));
      box-shadow:0 16px 36px rgba(255,45,111,.28), inset 0 1px 0 rgba(255,255,255,.22);
      transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;
      white-space:nowrap;
    }
    .nav-cta:hover,.btn-primary:hover{
      transform:translateY(-2px);
      filter:brightness(1.06);
      box-shadow:0 22px 48px rgba(255,45,111,.36), inset 0 1px 0 rgba(255,255,255,.28);
    }
    .nav-cta:active,.btn-primary:active,.btn-secondary:active{transform:scale(.98)}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:50%;
      background:rgba(255,255,255,.06);
      position:relative;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      height:2px;
      border-radius:2px;
      background:#fff;
      transition:.25s ease;
    }
    .menu-toggle span{top:21px}
    .menu-toggle span:before{top:-7px;left:0;right:0}
    .menu-toggle span:after{top:7px;left:0;right:0}
    .menu-toggle[aria-expanded="true"] span{background:transparent}
    .menu-toggle[aria-expanded="true"] span:before{top:0;transform:rotate(45deg)}
    .menu-toggle[aria-expanded="true"] span:after{top:0;transform:rotate(-45deg)}
    .mobile-panel{
      display:none;
      width:min(calc(100% - 36px),560px);
      margin:10px auto 0;
      padding:12px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(20,8,15,.92);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow-card);
    }
    .mobile-panel.open{display:grid;gap:8px}
    main{padding-top:118px}
    .section{padding:74px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#ffd6e3;
      font-size:13px;
      font-weight:850;
      letter-spacing:.06em;
      padding:7px 12px;
      border:1px solid rgba(255,45,111,.32);
      border-radius:var(--radius-pill);
      background:rgba(255,45,111,.10);
      box-shadow:0 12px 30px rgba(255,45,111,.10);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--pink);
      box-shadow:0 0 16px var(--pink);
    }
    .hero{
      padding:38px 0 72px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.06fr) minmax(360px,.72fr);
      gap:30px;
      align-items:stretch;
    }
    .hero-copy{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(255,45,111,.14),transparent 42%),
        linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));
      box-shadow:var(--shadow-pink);
      padding:42px;
      overflow:hidden;
    }
    .hero-copy:after{
      content:"";
      position:absolute;
      top:0;
      bottom:0;
      right:34px;
      border-right:1px dashed rgba(255,255,255,.16);
    }
    .hero h1{
      margin:18px 0 18px;
      max-width:760px;
      font-size:clamp(32px,5.1vw,58px);
      line-height:1.08;
      font-weight:900;
      letter-spacing:-.055em;
    }
    .hero-lead{
      max-width:760px;
      color:var(--muted);
      font-size:17px;
      line-height:1.9;
      margin:0 0 24px;
    }
    .hero-actions,.cta-actions,.card-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      color:#fff7fa;
      font-size:14px;
      font-weight:800;
      padding:10px 17px;
      min-height:46px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.055);
      transition:.25s ease;
    }
    .btn-secondary:hover{
      border-color:rgba(255,45,111,.54);
      background:rgba(255,45,111,.10);
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(255,45,111,.16);
    }
    .hero-tags,.tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0 0;
    }
    .tag,.level-tab{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.06);
      color:#ffeaf1;
      padding:8px 12px;
      font-size:13px;
      font-weight:800;
      transition:.25s ease;
    }
    .tag.hot{border-color:rgba(255,45,111,.42);background:rgba(255,45,111,.12)}
    .tag.orange{border-color:rgba(255,154,61,.42);background:rgba(255,154,61,.10)}
    .tag.purple{border-color:rgba(124,58,237,.45);background:rgba(124,58,237,.12)}
    .ticket-panel{
      position:relative;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.12);
      background:
        radial-gradient(circle at top left,rgba(255,154,61,.20),transparent 34%),
        radial-gradient(circle at bottom right,rgba(255,45,111,.18),transparent 38%),
        rgba(33,17,26,.78);
      padding:24px;
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .ticket-panel:before,.ticket-panel:after,.cta-panel:before,.cta-panel:after{
      content:"";
      position:absolute;
      width:34px;
      height:34px;
      border-radius:50%;
      background:var(--bg-1);
      top:50%;
      transform:translateY(-50%);
      border:1px solid rgba(255,255,255,.08);
      z-index:1;
    }
    .ticket-panel:before,.cta-panel:before{left:-17px}
    .ticket-panel:after,.cta-panel:after{right:-17px}
    .panel-title{
      margin:0 0 16px;
      font-size:22px;
      line-height:1.35;
      font-weight:900;
    }
    .benefit-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .benefit-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border:1px solid rgba(255,255,255,.10);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      color:var(--muted);
      font-size:14px;
    }
    .dot{
      width:26px;
      height:26px;
      flex:0 0 auto;
      border-radius:50%;
      display:inline-grid;
      place-items:center;
      color:#fff;
      font-size:12px;
      font-weight:900;
      background:linear-gradient(135deg,var(--pink),var(--orange));
      box-shadow:0 10px 24px rgba(255,45,111,.24);
    }
    .notice-strip{
      margin-top:16px;
      padding:13px 14px;
      color:#ffd9b8;
      font-size:13px;
      border:1px solid rgba(255,154,61,.32);
      background:rgba(255,154,61,.09);
      border-radius:18px;
    }
    .section-head{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(280px,.45fr);
      gap:24px;
      align-items:end;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(26px,3vw,38px);
      line-height:1.18;
      font-weight:900;
      letter-spacing:-.035em;
    }
    .section-desc{
      color:var(--muted);
      margin:0;
      font-size:16px;
    }
    .level-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .level-tab{
      cursor:pointer;
      border-color:rgba(255,255,255,.13);
    }
    .level-tab:hover,.level-tab.active{
      color:#fff;
      border-color:rgba(255,45,111,.55);
      background:linear-gradient(135deg,rgba(255,45,111,.22),rgba(255,154,61,.12));
      box-shadow:0 12px 30px rgba(255,45,111,.13);
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:24px;
      align-items:start;
    }
    .preview-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .preview-card,.step-card,.info-card,.faq details{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
      box-shadow:var(--shadow-card);
      transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
    }
    .preview-card{
      position:relative;
      min-height:320px;
      padding:16px;
      overflow:hidden;
    }
    .preview-card:nth-child(2),.preview-card:nth-child(5){transform:translateY(18px)}
    .preview-card:hover,.step-card:hover,.info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(255,45,111,.48);
      background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,45,111,.045));
      box-shadow:0 26px 66px rgba(255,45,111,.15);
    }
    .preview-card:nth-child(2):hover,.preview-card:nth-child(5):hover{transform:translateY(12px)}
    .abstract-cover{
      height:150px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.10);
      background:
        radial-gradient(circle at 20% 24%,rgba(255,45,111,.75),transparent 24%),
        radial-gradient(circle at 80% 34%,rgba(255,154,61,.60),transparent 28%),
        radial-gradient(circle at 46% 78%,rgba(124,58,237,.48),transparent 30%),
        linear-gradient(135deg,#2b101d,#11070d);
      position:relative;
      overflow:hidden;
      transition:transform .35s ease;
    }
    .preview-card:hover .abstract-cover{transform:scale(1.025)}
    .abstract-cover:after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:18px;
      border:1px dashed rgba(255,255,255,.18);
      background:linear-gradient(90deg,transparent,rgba(255,255,255,.06),transparent);
    }
    .card-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin:14px 0 10px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:var(--radius-pill);
      padding:6px 10px;
      font-size:12px;
      font-weight:850;
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      white-space:nowrap;
    }
    .badge.pink{background:rgba(255,45,111,.16);border-color:rgba(255,45,111,.42)}
    .badge.orange{background:rgba(255,154,61,.13);border-color:rgba(255,154,61,.40)}
    .badge.purple{background:rgba(124,58,237,.16);border-color:rgba(124,58,237,.46)}
    .badge.cyan{background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.36)}
    .time{
      color:var(--weak);
      font-size:12px;
      white-space:nowrap;
    }
    .preview-card h3,.step-card h3,.info-card h3{
      margin:0 0 8px;
      font-size:20px;
      line-height:1.35;
      font-weight:900;
    }
    .preview-card p,.step-card p,.info-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      margin:0;
    }
    .mini-list{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .mini-list li{
      color:#efd8df;
      font-size:13px;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .mini-list li:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 12px rgba(255,154,61,.6);
      flex:0 0 auto;
    }
    .side-stack{
      position:sticky;
      top:110px;
      display:grid;
      gap:16px;
    }
    .info-card{
      padding:22px;
      overflow:hidden;
      position:relative;
    }
    .info-card.highlight{
      border-color:rgba(255,45,111,.35);
      background:
        radial-gradient(circle at 20% 10%,rgba(255,45,111,.18),transparent 34%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
    }
    .progress-lines{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .progress-line{
      height:9px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      overflow:hidden;
    }
    .progress-line span{
      display:block;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--pink),var(--orange));
      box-shadow:0 0 18px rgba(255,45,111,.28);
    }
    .steps-wrap{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:22px;
    }
    .step-card{
      position:relative;
      padding:22px;
      overflow:hidden;
      min-height:210px;
    }
    .step-card:before{
      content:"";
      position:absolute;
      top:0;
      left:24px;
      right:24px;
      border-top:1px dashed rgba(255,255,255,.18);
    }
    .step-no{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:50%;
      color:#fff;
      font-weight:950;
      margin-bottom:18px;
      background:linear-gradient(135deg,var(--orange),var(--pink));
      box-shadow:0 14px 34px rgba(255,154,61,.18);
    }
    .security-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .security-card{
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:28px;
      background:
        radial-gradient(circle at top right,rgba(56,189,248,.12),transparent 34%),
        rgba(255,255,255,.045);
      box-shadow:var(--shadow-card);
    }
    .security-list{
      list-style:none;
      margin:20px 0 0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .security-list li{
      display:grid;
      grid-template-columns:34px minmax(0,1fr);
      gap:12px;
      align-items:start;
      color:var(--muted);
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .security-list strong{display:block;color:#fff;margin-bottom:2px}
    .check-icon{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:rgba(255,45,111,.18);
      border:1px solid rgba(255,45,111,.38);
    }
    .age-box{
      border:1px solid rgba(255,154,61,.34);
      background:rgba(255,154,61,.08);
      border-radius:var(--radius-xl);
      padding:28px;
      box-shadow:var(--shadow-orange);
    }
    .age-box h3,.security-card h3{margin:0 0 10px;font-size:24px;font-weight:900;line-height:1.25}
    .age-box p,.security-card p{margin:0;color:var(--muted)}
    .mock-form{
      margin-top:18px;
      display:grid;
      gap:12px;
    }
    .field{
      width:100%;
      border:1px solid rgba(255,255,255,.12);
      border-radius:16px;
      background:rgba(0,0,0,.18);
      color:#fff;
      padding:13px 14px;
      transition:.25s ease;
    }
    .field::placeholder{color:var(--weak)}
    .field:focus{
      border-color:rgba(255,45,111,.65);
      box-shadow:0 0 0 4px rgba(255,45,111,.16);
      outline:0;
    }
    .form-hint{
      color:#ffc08a;
      font-size:13px;
      margin:0;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.42fr 1fr;
      gap:26px;
      align-items:start;
    }
    .faq{
      display:grid;
      gap:12px;
    }
    .faq details{
      padding:0;
      overflow:hidden;
    }
    .faq details[open]{
      border-color:rgba(255,45,111,.50);
      background:linear-gradient(180deg,rgba(255,45,111,.10),rgba(255,255,255,.04));
      box-shadow:0 18px 46px rgba(255,45,111,.13);
    }
    .faq summary{
      min-height:58px;
      padding:18px 22px;
      list-style:none;
      cursor:pointer;
      font-weight:850;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{
      content:"";
      width:12px;
      height:12px;
      border-right:2px solid var(--orange);
      border-bottom:2px solid var(--orange);
      transform:rotate(45deg);
      transition:.25s ease;
      flex:0 0 auto;
    }
    .faq details[open] summary:after{transform:rotate(225deg)}
    .faq details p{
      margin:0;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.16);
      background:
        radial-gradient(circle at 12% 20%,rgba(255,255,255,.20),transparent 20%),
        linear-gradient(135deg,rgba(255,45,111,.92),rgba(255,154,61,.82) 58%,rgba(124,58,237,.86));
      padding:40px;
      box-shadow:0 30px 90px rgba(255,45,111,.27);
    }
    .cta-panel:before,.cta-panel:after{background:#13070d}
    .cta-inner{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:28px;
      align-items:center;
      position:relative;
      z-index:2;
    }
    .cta-panel h2{
      margin:0 0 12px;
      font-size:clamp(28px,3.4vw,42px);
      line-height:1.15;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .cta-panel p{margin:0;color:rgba(255,255,255,.86)}
    .confirm-box{
      border:1px solid rgba(255,255,255,.22);
      background:rgba(18,7,13,.32);
      border-radius:24px;
      padding:20px;
    }
    .confirm-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#fff;
      font-weight:800;
      margin-bottom:16px;
    }
    .fake-check{
      width:24px;
      height:24px;
      border-radius:8px;
      display:grid;
      place-items:center;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.28);
      flex:0 0 auto;
    }
    .fake-check:after{content:"✓";font-weight:950}
    .site-footer{
      margin-top:40px;
      padding:44px 0 24px;
      background:rgba(9,4,7,.72);
      border-top:1px dashed rgba(255,255,255,.15);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:start;
    }
    .footer-brand{font-size:18px;margin-bottom:12px}
    .footer-text{
      max-width:680px;
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
      max-width:430px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      font-weight:750;
      padding:8px 12px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      transition:.25s ease;
    }
    .footer-links a:hover{
      color:#fff;
      border-color:rgba(255,45,111,.42);
      background:rgba(255,45,111,.10);
    }
    .copyright{
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:var(--weak);
      font-size:13px;
    }
    @media (prefers-reduced-motion: reduce){
      *,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
    }
    @media (max-width:1024px){
      .container{width:min(calc(100% - 32px),var(--container))}
      .hero-grid,.content-layout,.security-grid,.faq-wrap,.cta-inner{grid-template-columns:1fr}
      .side-stack{position:static}
      .section-head{grid-template-columns:1fr}
      .level-tabs{justify-content:flex-start}
      .steps-wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:820px){
      .site-header{top:10px;padding:0 10px}
      .nav-shell{min-height:62px;padding:8px 9px 8px 12px}
      .nav-links,.nav-shell .nav-cta{display:none}
      .menu-toggle{display:block}
      .brand-text{font-size:14px;max-width:210px;overflow:hidden;text-overflow:ellipsis}
      main{padding-top:92px}
      .hero{padding-top:20px}
      .hero-copy{padding:28px 22px}
      .hero-copy:after{display:none}
      .ticket-panel{padding:20px}
      .preview-grid{grid-template-columns:1fr}
      .preview-card:nth-child(2),.preview-card:nth-child(5){transform:none}
      .preview-card:nth-child(2):hover,.preview-card:nth-child(5):hover{transform:translateY(-4px)}
      .section{padding:54px 0}
      .section-tight{padding:34px 0}
      .copyright{flex-direction:column}
    }
    @media (max-width:560px){
      .container{width:min(calc(100% - 24px),var(--container))}
      .brand-mark{width:28px;height:28px}
      .brand-text{max-width:180px}
      .hero-actions,.cta-actions,.card-actions{align-items:stretch}
      .btn-primary,.btn-secondary,.nav-cta{width:100%}
      .steps-wrap{grid-template-columns:1fr}
      .security-card,.age-box,.cta-panel{padding:22px}
      .cta-panel{border-radius:28px}
      .footer-links{display:grid;grid-template-columns:1fr 1fr;width:100%}
      .footer-links a{text-align:center}
      .tag-row,.hero-tags{gap:8px}
      .tag{font-size:12px;padding:7px 10px}
    }