/* roulang page: index */
:root {
      --bg: #0f1115;
      --bg-soft: #171a21;
      --surface: #ffffff;
      --surface-soft: #f6f1ea;
      --surface-tint: #fff8ef;
      --text: #17120f;
      --text-light: #fdfaf6;
      --muted: #736a61;
      --muted-dark: #b9b0a8;
      --line: rgba(36, 27, 20, .12);
      --line-dark: rgba(255, 255, 255, .16);
      --primary: #c2392f;
      --primary-strong: #9e241d;
      --secondary: #f2b84b;
      --accent: #2f8f83;
      --ink: #241812;
      --radius-sm: 8px;
      --radius: 16px;
      --radius-lg: 28px;
      --shadow: 0 18px 50px rgba(33, 24, 18, .12);
      --shadow-strong: 0 28px 80px rgba(0, 0, 0, .32);
      --container: 1180px;
      --section: 92px;
      --ease: 180ms ease;
    }

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

    html {
      scroll-behavior: smooth;
      text-size-adjust: 100%;
    }

    body {
      min-width: 320px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background: var(--surface-soft);
      line-height: 1.72;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: transparent;
    }

    :focus-visible {
      outline: 3px solid rgba(242, 184, 75, .55);
      outline-offset: 4px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(15, 17, 21, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line-dark);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text-light);
      font-weight: 900;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #1b120d;
      background: linear-gradient(135deg, var(--secondary), #fff1c7);
      box-shadow: 0 10px 24px rgba(242, 184, 75, .22);
      font-size: 20px;
    }

    .brand-text {
      font-size: 18px;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 6px;
      color: rgba(255, 255, 255, .82);
    }

    .nav a {
      padding: 10px 13px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav a:hover,
    .nav a.active {
      color: #21140f;
      background: var(--secondary);
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line-dark);
      color: var(--text-light);
      align-items: center;
      justify-content: center;
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      width: 20px;
      height: 2px;
      border-radius: 2px;
      background: currentColor;
      display: block;
      position: relative;
      content: "";
      transition: transform var(--ease), opacity var(--ease);
    }

    .nav-toggle span::before {
      position: absolute;
      top: -7px;
    }

    .nav-toggle span::after {
      position: absolute;
      top: 7px;
    }

    .nav-toggle.is-open span {
      background: transparent;
    }

    .nav-toggle.is-open span::before {
      transform: translateY(7px) rotate(45deg);
      background: var(--text-light);
    }

    .nav-toggle.is-open span::after {
      transform: translateY(-7px) rotate(-45deg);
      background: var(--text-light);
    }

    .hero {
      position: relative;
      min-height: calc(100vh - 76px);
      max-height: 860px;
      display: flex;
      align-items: flex-end;
      color: var(--text-light);
      background:
        linear-gradient(180deg, rgba(15, 17, 21, .18) 0%, rgba(15, 17, 21, .7) 48%, rgba(15, 17, 21, .96) 100%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 140px;
      background: linear-gradient(180deg, transparent, var(--surface-soft));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      width: 100%;
      padding: 96px 0 112px;
    }

    .hero-content {
      max-width: 880px;
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: 999px;
      background: rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .92);
      font-size: 14px;
      font-weight: 800;
      backdrop-filter: blur(12px);
      margin-bottom: 24px;
    }

    .kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 0 6px rgba(242, 184, 75, .18);
    }

    h1 {
      max-width: 760px;
      font-size: clamp(42px, 7vw, 82px);
      line-height: 1.06;
      letter-spacing: 0;
      font-weight: 950;
      margin-bottom: 24px;
    }

    .hero-lead {
      max-width: 720px;
      color: rgba(255, 255, 255, .82);
      font-size: 19px;
      line-height: 1.9;
      margin-bottom: 34px;
    }

    .hero-actions,
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 900;
      border: 1px solid transparent;
      user-select: none;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 14px 30px rgba(194, 57, 47, .28);
    }

    .btn-primary:hover {
      background: var(--primary-strong);
      transform: translateY(-2px);
      box-shadow: 0 18px 38px rgba(194, 57, 47, .34);
    }

    .btn-secondary {
      color: var(--text-light);
      border-color: rgba(255, 255, 255, .28);
      background: rgba(255, 255, 255, .08);
    }

    .btn-secondary:hover {
      color: #241812;
      background: var(--secondary);
      border-color: var(--secondary);
      transform: translateY(-2px);
    }

    .hero-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      margin-top: 54px;
      max-width: 920px;
      border: 1px solid rgba(255, 255, 255, .16);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(255, 255, 255, .14);
      backdrop-filter: blur(16px);
    }

    .hero-stat {
      padding: 20px;
      background: rgba(15, 17, 21, .38);
    }

    .hero-stat strong {
      display: block;
      font-size: 24px;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 4px;
    }

    .hero-stat span {
      color: rgba(255, 255, 255, .72);
      font-size: 13px;
    }

    main {
      background: var(--surface-soft);
    }

    .section {
      padding: var(--section) 0;
      position: relative;
    }

    .section.tight {
      padding-top: 66px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-label {
      display: inline-flex;
      margin-bottom: 12px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 900;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.18;
      letter-spacing: 0;
      font-weight: 950;
      color: var(--ink);
      margin-bottom: 14px;
    }

    .section-desc {
      color: var(--muted);
      font-size: 17px;
      max-width: 740px;
    }

    .grid {
      display: grid;
      gap: 22px;
    }

    .grid-3 {
      grid-template-columns: repeat(3, 1fr);
    }

    .grid-4 {
      grid-template-columns: repeat(4, 1fr);
    }

    .card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 10px 28px rgba(33, 24, 18, .06);
      overflow: hidden;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(194, 57, 47, .22);
    }

    .feature-card {
      padding: 28px;
      min-height: 240px;
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #2a1711;
      background: var(--secondary);
      font-weight: 950;
      margin-bottom: 22px;
    }

    .feature-card h3,
    .category-card h3,
    .post-card h3,
    .proof-card h3 {
      font-size: 21px;
      line-height: 1.35;
      margin-bottom: 10px;
      color: var(--ink);
    }

    .feature-card p,
    .category-card p,
    .post-card p,
    .proof-card p {
      color: var(--muted);
      font-size: 15px;
    }

    .split {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 48px;
      align-items: center;
    }

    .media-panel {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: var(--ink);
      min-height: 420px;
    }

    .media-panel img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
      opacity: .9;
    }

    .media-caption {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(15, 17, 21, .74);
      color: rgba(255, 255, 255, .88);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, .16);
    }

    .media-caption strong {
      display: block;
      color: #fff;
      font-size: 18px;
      margin-bottom: 4px;
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin-top: 28px;
    }

    .check-item {
      display: flex;
      gap: 13px;
      align-items: flex-start;
      color: var(--muted);
      background: rgba(255, 255, 255, .68);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 14px 16px;
    }

    .check-item::before {
      content: "✓";
      flex: 0 0 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--accent);
      color: #fff;
      font-size: 14px;
      font-weight: 900;
      margin-top: 2px;
    }

    .category-card {
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    .category-card img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .category-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: auto;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--surface-tint);
      color: var(--primary-strong);
      border: 1px solid rgba(194, 57, 47, .12);
      font-size: 12px;
      font-weight: 900;
    }

    .dark-band {
      color: var(--text-light);
      background:
        linear-gradient(180deg, rgba(15, 17, 21, .82), rgba(15, 17, 21, .92)),
        url("/assets/images/backpic/back-2.webp") center/cover fixed no-repeat;
    }

    .dark-band .section-title,
    .dark-band .feature-card h3,
    .dark-band .section-label {
      color: #fff;
    }

    .dark-band .section-desc {
      color: rgba(255, 255, 255, .72);
    }

    .dark-band .feature-card {
      background: rgba(255, 255, 255, .08);
      border-color: rgba(255, 255, 255, .15);
      box-shadow: none;
      backdrop-filter: blur(12px);
    }

    .dark-band .feature-card p {
      color: rgba(255, 255, 255, .72);
    }

    .post-list {
      display: grid;
      gap: 14px;
    }

    .post-card {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 20px 22px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .post-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow);
      border-color: rgba(194, 57, 47, .2);
    }

    .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 13px;
    }

    .post-arrow {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--primary);
      font-weight: 950;
    }

    .empty-state {
      padding: 28px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px dashed rgba(194, 57, 47, .28);
      color: var(--muted);
      text-align: center;
      font-weight: 700;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
    }

    .proof-card {
      padding: 28px;
    }

    .proof-card.large {
      background: var(--ink);
      color: var(--text-light);
      min-height: 320px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      background:
        linear-gradient(180deg, rgba(36, 24, 18, .2), rgba(36, 24, 18, .9)),
        url("/assets/images/coverpic/cover-6.webp") center/cover no-repeat;
    }

    .proof-card.large h3 {
      color: #fff;
      font-size: 30px;
    }

    .proof-card.large p {
      color: rgba(255, 255, 255, .78);
    }

    .metric-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 22px;
    }

    .metric {
      padding: 18px;
      border-radius: 14px;
      background: rgba(255, 248, 239, .9);
      border: 1px solid var(--line);
    }

    .metric strong {
      display: block;
      font-size: 24px;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

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

    .faq {
      display: grid;
      gap: 14px;
      max-width: 920px;
    }

    .faq-item {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px 24px;
      box-shadow: 0 8px 22px rgba(33, 24, 18, .05);
    }

    .faq-item h3 {
      font-size: 18px;
      margin-bottom: 8px;
      color: var(--ink);
    }

    .faq-item p {
      color: var(--muted);
      font-size: 15px;
    }

    .cta {
      padding: 70px 0;
      color: var(--text-light);
      background:
        linear-gradient(135deg, rgba(194, 57, 47, .94), rgba(47, 143, 131, .88)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.18;
      margin-bottom: 12px;
      letter-spacing: 0;
    }

    .cta p {
      max-width: 760px;
      color: rgba(255, 255, 255, .84);
      font-size: 17px;
    }

    .cta .btn-secondary {
      background: #fff;
      color: var(--primary-strong);
      border-color: #fff;
    }

    .site-footer {
      color: rgba(255, 255, 255, .76);
      background: #111216;
      border-top: 1px solid rgba(255, 255, 255, .08);
      padding: 54px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 42px;
      align-items: start;
      margin-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      font-size: 19px;
      margin-bottom: 14px;
    }

    .footer-text {
      max-width: 620px;
      color: rgba(255, 255, 255, .66);
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      justify-content: flex-end;
    }

    .footer-links a {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--secondary);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .48);
      font-size: 13px;
    }

    .notice {
      margin-top: 12px;
      color: rgba(255, 255, 255, .48);
      font-size: 12px;
    }

    @media (max-width: 1024px) {
      :root {
        --section: 76px;
      }

      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }

      .split,
      .proof-grid {
        gap: 30px;
      }

      .hero {
        min-height: 720px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

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

      .nav {
        display: none;
        position: absolute;
        top: calc(100% + 1px);
        left: 16px;
        right: 16px;
        padding: 12px;
        flex-direction: column;
        align-items: stretch;
        background: rgba(17, 18, 22, .98);
        border: 1px solid var(--line-dark);
        border-radius: 16px;
        box-shadow: var(--shadow-strong);
      }

      .nav.is-open {
        display: flex;
      }

      .nav a {
        width: 100%;
        padding: 12px 14px;
        border-radius: 10px;
      }

      .brand-text {
        font-size: 16px;
      }

      .hero-inner {
        padding: 70px 0 92px;
      }

      .hero-strip {
        grid-template-columns: repeat(2, 1fr);
        margin-top: 38px;
      }

      .split,
      .proof-grid,
      .cta-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .media-panel,
      .media-panel img {
        min-height: 340px;
      }

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

      .cta-panel {
        align-items: flex-start;
      }

      .cta-actions {
        margin-top: 4px;
      }
    }

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

      :root {
        --section: 62px;
      }

      .site-header .container {
        width: min(100% - 24px, var(--container));
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 17px;
      }

      .brand-text {
        font-size: 14px;
      }

      h1 {
        font-size: clamp(36px, 12vw, 58px);
      }

      .hero-lead {
        font-size: 16px;
        line-height: 1.75;
      }

      .hero-actions,
      .cta-actions {
        align-items: stretch;
        flex-direction: column;
      }

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

      .hero-strip {
        grid-template-columns: 1fr 1fr;
      }

      .hero-stat {
        padding: 15px 12px;
      }

      .hero-stat strong {
        font-size: 19px;
      }

      .hero-stat span {
        font-size: 12px;
      }

      .grid-3,
      .grid-4 {
        grid-template-columns: 1fr;
      }

      .feature-card,
      .proof-card {
        padding: 22px;
      }

      .post-card {
        grid-template-columns: 1fr;
        padding: 18px;
      }

      .post-arrow {
        display: none;
      }

      .metric-row {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

/* roulang page: article */
:root{
      --bg:#090b11;
      --bg-soft:#10141e;
      --surface:#151a26;
      --surface-2:#1b2231;
      --surface-light:#252e42;
      --text:#f6f7fb;
      --muted:#a6afc1;
      --dim:#798397;
      --primary:#f05a6c;
      --primary-strong:#ff7182;
      --accent:#7c6cff;
      --line:rgba(255,255,255,.11);
      --line-soft:rgba(255,255,255,.07);
      --success:#70d9b1;
      --shadow:0 20px 60px rgba(0,0,0,.28);
      --radius:18px;
      --radius-sm:12px;
      --container:1160px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      background:var(--bg);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(240,90,108,.38);color:#fff}
    .container{width:min(calc(100% - 48px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,11,17,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line-soft);
    }
    .nav-wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{
      display:inline-grid;
      place-items:center;
      width:34px;
      height:34px;
      border-radius:11px;
      color:#fff;
      font-size:16px;
      line-height:1;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 7px 18px rgba(240,90,108,.25);
    }
    .brand-text{color:#fff}
    .nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}
    .nav a{
      position:relative;
      padding:9px 11px;
      border-radius:9px;
      color:var(--muted);
      font-size:14px;
      transition:color .22s ease,background .22s ease;
    }
    .nav a:hover,.nav a:focus-visible,.nav a.active{color:#fff;background:rgba(255,255,255,.08);outline:none}
    .nav a.active:after{
      content:"";
      position:absolute;
      right:11px;
      bottom:3px;
      left:11px;
      height:2px;
      border-radius:4px;
      background:var(--primary);
    }
    .nav-toggle{
      display:none;
      width:42px;
      height:40px;
      border:1px solid var(--line);
      border-radius:10px;
      background:var(--surface);
      color:#fff;
    }
    .nav-toggle span,.nav-toggle:before,.nav-toggle:after{
      content:"";
      display:block;
      width:18px;
      height:2px;
      margin:4px auto;
      border-radius:3px;
      background:currentColor;
    }

    .article-hero{
      position:relative;
      overflow:hidden;
      padding:72px 0 58px;
      border-bottom:1px solid var(--line-soft);
      background:
        linear-gradient(90deg,rgba(9,11,17,.95) 0%,rgba(9,11,17,.78) 56%,rgba(9,11,17,.87) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      width:430px;
      height:430px;
      right:-110px;
      bottom:-260px;
      border-radius:50%;
      background:rgba(124,108,255,.18);
      filter:blur(5px);
    }
    .breadcrumb{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:22px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb a{transition:color .2s ease}
    .breadcrumb a:hover{color:var(--primary-strong)}
    .breadcrumb i{font-style:normal;color:var(--dim)}
    .article-category{
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 11px;
      border:1px solid rgba(240,90,108,.32);
      border-radius:999px;
      background:rgba(240,90,108,.12);
      color:#ffb4be;
      font-size:13px;
      font-weight:700;
    }
    .article-category:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
    .article-hero h1{
      position:relative;
      z-index:1;
      max-width:920px;
      margin:17px 0 18px;
      font-size:clamp(30px,4.4vw,54px);
      line-height:1.22;
      letter-spacing:-.035em;
      color:#fff;
    }
    .article-summary{
      position:relative;
      z-index:1;
      max-width:820px;
      margin:0;
      color:#d2d7e2;
      font-size:17px;
      line-height:1.85;
    }
    .article-meta{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:12px 22px;
      align-items:center;
      margin-top:25px;
      color:var(--muted);
      font-size:14px;
    }
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .article-meta strong{color:#dfe4ee;font-weight:600}
    .dot{width:4px;height:4px;border-radius:50%;background:var(--primary)}

    .article-area{padding:58px 0 76px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:42px;align-items:start}
    .article-paper{
      overflow:hidden;
      padding:clamp(24px,4vw,46px);
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
      box-shadow:var(--shadow);
    }
    .article-content{color:#cdd3df;font-size:17px;word-break:break-word}
    .article-content>*:first-child{margin-top:0}
    .article-content h2,.article-content h3,.article-content h4{color:#fff;line-height:1.38;letter-spacing:-.018em}
    .article-content h2{margin:2.2em 0 .8em;padding-bottom:.48em;border-bottom:1px solid var(--line);font-size:28px}
    .article-content h3{margin:1.8em 0 .7em;font-size:22px}
    .article-content h4{margin:1.5em 0 .6em;font-size:18px}
    .article-content p{margin:0 0 1.2em}
    .article-content a{color:#ff9ba7;border-bottom:1px solid rgba(255,155,167,.45);transition:color .2s ease,border-color .2s ease}
    .article-content a:hover{color:#fff;border-color:#fff}
    .article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.45em}
    .article-content li{margin:.45em 0;padding:0 .2em}
    .article-content blockquote{
      margin:1.6em 0;
      padding:16px 20px;
      border-left:3px solid var(--primary);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      background:rgba(240,90,108,.08);
      color:#e6e8ef;
    }
    .article-content img{
      width:100%;
      margin:1.7em 0;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
    }
    .article-content table{
      width:100%;
      margin:1.5em 0;
      border-collapse:collapse;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
    }
    .article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
    .article-content th{background:var(--surface-light);color:#fff}
    .article-content code{
      padding:2px 6px;
      border-radius:6px;
      background:#0c1018;
      color:#ffb4be;
      font-size:.9em;
    }
    .empty-state{text-align:center;padding:54px 20px}
    .empty-icon{
      display:grid;
      place-items:center;
      width:62px;
      height:62px;
      margin:0 auto 18px;
      border-radius:18px;
      background:rgba(240,90,108,.12);
      color:#ff9ba7;
      font-size:26px;
    }
    .empty-state h2{margin:0 0 10px;color:#fff;font-size:26px}
    .empty-state p{margin:0 0 24px;color:var(--muted)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:44px;
      padding:10px 18px;
      border:1px solid transparent;
      border-radius:10px;
      font-size:14px;
      font-weight:700;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible{outline:3px solid rgba(240,90,108,.35);outline-offset:3px}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(240,90,108,.22)}
    .btn-primary:hover{background:var(--primary-strong);box-shadow:0 14px 30px rgba(240,90,108,.3)}
    .btn-outline{border-color:var(--line);background:rgba(255,255,255,.04);color:#e8ebf2}
    .btn-outline:hover{border-color:rgba(240,90,108,.55);background:rgba(240,90,108,.1)}
    .article-side{position:sticky;top:101px}
    .side-card{
      margin-bottom:16px;
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
    }
    .side-card h2{margin:0 0 15px;color:#fff;font-size:17px}
    .side-cover{
      width:100%;
      aspect-ratio:1.45;
      margin:-22px -22px 18px;
      width:calc(100% + 44px);
      object-fit:cover;
      border-radius:var(--radius) var(--radius) 0 0;
      opacity:.9;
    }
    .side-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
    .side-list li{display:flex;gap:9px;align-items:flex-start;color:var(--muted);font-size:14px}
    .side-list li:before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--primary)}
    .side-list a{transition:color .2s ease}
    .side-list a:hover{color:#fff}
    .side-note{margin:0;color:var(--dim);font-size:13px;line-height:1.7}
    .share-row{display:flex;gap:8px;flex-wrap:wrap}
    .share-btn{
      min-height:36px;
      padding:6px 11px;
      border:1px solid var(--line);
      border-radius:8px;
      background:transparent;
      color:var(--muted);
      font-size:13px;
      transition:all .2s ease;
    }
    .share-btn:hover{border-color:var(--primary);color:#fff;background:rgba(240,90,108,.1)}
    .related-section{padding:0 0 76px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
    .eyebrow{margin:0 0 7px;color:var(--primary-strong);font-size:13px;font-weight:800;letter-spacing:.12em}
    .section-head h2{margin:0;color:#fff;font-size:28px;line-height:1.3}
    .section-head p{max-width:560px;margin:0;color:var(--muted);font-size:14px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .related-card{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
    }
    .related-card:hover{transform:translateY(-5px);border-color:rgba(240,90,108,.48);box-shadow:0 16px 35px rgba(0,0,0,.22)}
    .related-card img{width:100%;aspect-ratio:1.7;object-fit:cover}
    .related-card-body{padding:17px 18px 19px}
    .related-card h3{margin:0 0 7px;color:#fff;font-size:17px;line-height:1.45}
    .related-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .notice-bar{
      margin-top:28px;
      padding:14px 18px;
      border:1px solid rgba(112,217,177,.2);
      border-radius:var(--radius-sm);
      background:rgba(112,217,177,.06);
      color:#a9dbc9;
      font-size:13px;
    }
    .site-footer{
      padding:52px 0 22px;
      border-top:1px solid var(--line-soft);
      background:#07090e;
    }
    .footer-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;padding-bottom:38px}
    .footer-brand{color:#fff}
    .footer-text{max-width:590px;margin:17px 0 10px;color:var(--muted);font-size:14px;line-height:1.8}
    .notice{margin:0;color:#d28b94;font-size:13px}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);align-content:start;gap:12px 24px;padding-top:5px}
    .footer-links a{color:var(--muted);font-size:14px;transition:color .2s ease}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:19px;border-top:1px solid var(--line-soft);color:var(--dim);font-size:12px}
    @media (max-width:1024px){
      .article-layout{grid-template-columns:minmax(0,1fr) 245px;gap:24px}
      .nav{gap:0}
      .nav a{padding-right:8px;padding-left:8px;font-size:13px}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 36px),var(--container))}
      .nav-wrap{min-height:68px}
      .nav-toggle{display:block}
      .nav{
        position:absolute;
        top:68px;
        right:18px;
        left:18px;
        display:none;
        padding:10px;
        border:1px solid var(--line);
        border-radius:14px;
        background:rgba(21,26,38,.98);
        box-shadow:var(--shadow);
      }
      .nav.is-open{display:grid}
      .nav a{padding:11px 13px;font-size:14px}
      .nav a.active:after{right:13px;left:auto;width:24px;bottom:50%;transform:translateY(50%)}
      .article-hero{padding:48px 0 42px}
      .article-layout{display:block}
      .article-side{position:static;margin-top:24px}
      .side-card{margin-bottom:14px}
      .related-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr;gap:25px}
    }
    @media (max-width:520px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .brand{font-size:16px}
      .brand-mark{width:31px;height:31px;border-radius:9px}
      .article-hero h1{font-size:31px}
      .article-summary{font-size:15px}
      .article-area{padding:30px 0 48px}
      .article-paper{padding:22px 18px;border-radius:14px}
      .article-content{font-size:16px}
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .related-section{padding-bottom:48px}
      .related-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head h2{font-size:25px}
      .section-head p{margin-top:8px}
      .footer-links{grid-template-columns:repeat(2,1fr)}
      .footer-bottom{display:grid;gap:5px}
    }

/* roulang page: category3 */
:root{
      --ink:#241b2d;
      --muted:#766d7f;
      --soft:#f8f4f8;
      --paper:#fff;
      --line:#eadfea;
      --primary:#9c4774;
      --primary-dark:#713354;
      --accent:#e4a45d;
      --accent-soft:#fff1df;
      --shadow:0 22px 60px rgba(67,31,61,.12);
      --shadow-sm:0 10px 28px rgba(67,31,61,.08);
      --radius:24px;
      --radius-sm:14px;
      --container:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--soft);
      font-family:"Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:20;
      background:rgba(255,255,255,.9);
      border-bottom:1px solid rgba(234,223,234,.8);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand,.footer-brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.02em}
    .brand{font-size:18px}
    .brand-mark{
      width:38px;height:38px;border-radius:12px;
      display:grid;place-items:center;
      color:#fff;background:var(--primary);
      box-shadow:0 8px 18px rgba(156,71,116,.25);
      font-weight:900;
    }
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{
      padding:10px 15px;border-radius:12px;color:var(--muted);
      font-size:14px;font-weight:650;transition:.25s ease;
    }
    .nav a:hover,.nav a:focus-visible{color:var(--primary);background:#f8eaf2;outline:none}
    .nav a.active{color:#fff;background:var(--primary)}
    .nav-toggle{display:none;border:0;background:none;padding:8px}
    .nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
      display:block;width:24px;height:2px;background:var(--ink);content:"";position:relative
    }
    .nav-toggle span::before{position:absolute;top:-7px}
    .nav-toggle span::after{position:absolute;top:7px}
    .hero{
      min-height:510px;display:flex;align-items:center;
      background:
        linear-gradient(90deg,rgba(35,19,38,.88),rgba(57,25,57,.54)),
        url("/assets/images/backpic/back-2.webp") center/cover;
      color:#fff;position:relative;overflow:hidden;
    }
    .hero::after{
      content:"";position:absolute;inset:auto -5% -95px;height:180px;
      background:var(--soft);border-radius:50% 50% 0 0/100% 100% 0 0;
    }
    .hero-content{position:relative;z-index:1;max-width:720px;padding:80px 0 110px}
    .eyebrow,.badge{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow::before{content:"";width:26px;height:2px;background:var(--accent)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(40px,6vw,72px);line-height:1.12;letter-spacing:-.05em;margin:18px 0 22px}
    .hero p{max-width:650px;color:rgba(255,255,255,.78);font-size:17px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:0 21px;border-radius:13px;border:1px solid transparent;
      font-weight:750;font-size:14px;transition:.25s ease;
    }
    .btn-primary{background:var(--accent);color:#351e28}
    .btn-primary:hover,.btn-primary:focus-visible{background:#f0bb7c;transform:translateY(-2px);outline:none}
    .btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
    .btn-light:hover,.btn-light:focus-visible{background:#fff;color:var(--primary);outline:none}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
    .section-kicker{color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.12em}
    h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.035em;margin:10px 0 0}
    .section-intro{max-width:560px;color:var(--muted);margin:0}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-card,.info-panel,.content-card,.faq-item,.cta-box{
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--shadow-sm)
    }
    .feature-card{overflow:hidden;position:relative;min-height:350px}
    .feature-card img{width:100%;height:100%;min-height:350px;object-fit:cover}
    .feature-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(36,27,45,.8),transparent 62%)}
    .feature-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:25px;color:#fff}
    .feature-caption h3{font-size:25px;margin:8px 0}
    .feature-caption p{margin:0;color:rgba(255,255,255,.76);font-size:14px}
    .info-panel{padding:32px}
    .info-panel h3{font-size:24px;margin-bottom:14px}
    .info-panel p{color:var(--muted);font-size:15px}
    .check-list{list-style:none;padding:0;margin:22px 0 0}
    .check-list li{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:14px}
    .check-list li::before{content:"✓";color:var(--primary);font-weight:900}
    .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .content-card{overflow:hidden;transition:.25s ease}
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .content-card img{width:100%;height:190px;object-fit:cover}
    .card-body{padding:22px}
    .badge{padding:5px 10px;border-radius:99px;background:var(--accent-soft);font-size:11px;letter-spacing:.04em;text-transform:none}
    .card-body h3{font-size:19px;line-height:1.4;margin:15px 0 8px}
    .card-body p{color:var(--muted);font-size:14px;margin:0}
    .number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .number-item{background:#fff;padding:28px 22px}
    .number{font-size:34px;font-weight:850;color:var(--primary);line-height:1}
    .number-item p{color:var(--muted);font-size:13px;margin:13px 0 0}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .faq-item{padding:24px 26px}
    .faq-item h3{font-size:17px;margin-bottom:8px}
    .faq-item p{color:var(--muted);font-size:14px;margin:0}
    .cta-box{
      padding:42px 48px;display:flex;justify-content:space-between;align-items:center;gap:28px;
      background:linear-gradient(110deg,#fff,#fff4e7)
    }
    .cta-box h2{font-size:32px}
    .cta-box p{color:var(--muted);margin:12px 0 0;max-width:650px}
    .site-footer{background:#2c2134;color:#fff;padding:56px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:60px;padding-bottom:38px}
    .footer-brand{font-size:18px;margin-bottom:18px}
    .footer-text{max-width:560px;color:rgba(255,255,255,.66);font-size:14px;margin:0 0 14px}
    .notice{display:inline-block;color:#f3c687;background:rgba(243,198,135,.1);padding:8px 12px;border-radius:9px;font-size:12px;margin:0}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;align-content:start}
    .footer-links a{color:rgba(255,255,255,.68);font-size:14px;transition:.2s}
    .footer-links a:hover,.footer-links a:focus-visible{color:#fff;outline:none}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.5);font-size:12px}
    @media(max-width:900px){
      .nav{gap:0}.nav a{padding:9px 10px;font-size:13px}
      .feature-grid{grid-template-columns:1fr}.feature-card{min-height:300px}.feature-card img{min-height:300px}
      .cards{grid-template-columns:repeat(2,1fr)}.number-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:700px){
      .container{width:min(var(--container),calc(100% - 28px))}
      .nav-toggle{display:block}.nav{display:none;position:absolute;left:14px;right:14px;top:70px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px 14px}
      .hero{min-height:560px}.hero-content{padding:72px 0 120px}
      .section{padding:60px 0}.section-head{display:block}.section-intro{margin-top:14px}
      .cards,.faq-grid{grid-template-columns:1fr}.cta-box{display:block;padding:30px 24px}.cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}
    }
    @media(max-width:430px){
      h1{font-size:39px}.hero p{font-size:15px}.hero-actions .btn{width:100%}
      .number-item{padding:22px 16px}.number{font-size:29px}
    }

/* roulang page: category4 */
:root{
      --ink:#211b31;
      --muted:#756d82;
      --soft:#f8f5fb;
      --paper:#fff;
      --line:#ebe4f1;
      --violet:#7656d6;
      --violet-dark:#5540a9;
      --rose:#e47798;
      --gold:#e9b966;
      --shadow:0 18px 50px rgba(58,39,91,.10);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--soft);line-height:1.7}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button{font:inherit;border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(228,119,152,.55);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(235,228,241,.9)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand,.footer-brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.03em}
    .brand{font-size:19px}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--violet),var(--rose));box-shadow:0 8px 18px rgba(118,86,214,.25);font-size:17px}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{padding:10px 14px;border-radius:12px;color:#6e657b;font-size:14px;font-weight:650}
    .nav a:hover,.nav a.active{color:var(--violet-dark);background:#f0ebfb}
    .nav-toggle{display:none;background:none;width:40px;height:40px;border-radius:10px}
    .nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{display:block;width:21px;height:2px;background:var(--ink);position:relative;margin:auto;content:""}
    .nav-toggle span:before{position:absolute;top:-7px}.nav-toggle span:after{position:absolute;top:7px}
    .hero{min-height:500px;display:flex;align-items:center;background:linear-gradient(90deg,rgba(28,19,52,.88),rgba(67,41,100,.55)),url("/assets/images/backpic/back-2.webp") center/cover;padding:76px 0;color:#fff}
    .hero-copy{max-width:710px}
    .eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;color:#f5d9e3;font-size:13px;font-weight:750;letter-spacing:.08em}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--rose)}
    h1{font-size:clamp(38px,6vw,70px);line-height:1.14;letter-spacing:-.06em;margin:18px 0 22px}
    .hero p{max-width:650px;color:rgba(255,255,255,.82);font-size:18px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 21px;border-radius:14px;font-weight:750;font-size:14px}
    .btn-primary{background:#fff;color:var(--violet-dark);box-shadow:0 10px 25px rgba(0,0,0,.12)}
    .btn-primary:hover{transform:translateY(-2px);background:#fff4f7}
    .btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{background:rgba(255,255,255,.16)}
    .section{padding:86px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}
    .section-head h2{font-size:clamp(27px,4vw,42px);line-height:1.2;letter-spacing:-.045em}
    .section-head p{max-width:520px;color:var(--muted)}
    .kicker{color:var(--violet);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;margin-bottom:9px}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .feature-card,.info-card,.faq-item,.cta{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .feature-card{overflow:hidden;position:relative;min-height:390px}
    .feature-card img{height:100%;min-height:390px}
    .feature-overlay{position:absolute;inset:0;display:flex;align-items:end;padding:30px;background:linear-gradient(0deg,rgba(29,18,46,.85),transparent 65%);color:#fff}
    .feature-overlay h3{font-size:27px;line-height:1.25;margin-bottom:8px}
    .feature-overlay p{color:rgba(255,255,255,.76);font-size:14px}
    .info-stack{display:grid;gap:24px}
    .info-card{padding:28px}
    .info-card .number{font-size:38px;font-weight:850;color:var(--violet);line-height:1;margin-bottom:18px}
    .info-card h3{font-size:21px;margin-bottom:8px}
    .info-card p{color:var(--muted);font-size:14px}
    .selection-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .selection-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s;box-shadow:0 9px 25px rgba(58,39,91,.05)}
    .selection-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .selection-card img{height:185px}
    .selection-body{padding:20px}
    .tag{display:inline-block;padding:5px 9px;border-radius:8px;background:#f2edfc;color:var(--violet-dark);font-size:12px;font-weight:800;margin-bottom:12px}
    .selection-body h3{font-size:19px;margin-bottom:7px}
    .selection-body p{color:var(--muted);font-size:14px}
    .process{background:#211b31;color:#fff}
    .process .kicker{color:#f0b6c9}.process .section-head p{color:#bbb2c6}
    .process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .process-item{padding:25px;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:rgba(255,255,255,.06)}
    .process-item strong{display:block;color:#e7c48a;font-size:14px;margin-bottom:15px}
    .process-item h3{font-size:19px;margin-bottom:7px}.process-item p{color:#c1b8c8;font-size:14px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{padding:21px 24px}.faq-item summary{cursor:pointer;font-weight:750;list-style:none;padding-right:25px;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--violet)}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);font-size:14px;padding-top:12px}
    .cta{padding:44px 52px;display:flex;align-items:center;justify-content:space-between;gap:25px;background:linear-gradient(135deg,#f1ebfc,#fff5f7)}
    .cta h2{font-size:31px;line-height:1.25;margin-bottom:8px}.cta p{color:var(--muted);max-width:650px}
    .cta .btn{background:var(--violet);color:#fff}.cta .btn:hover{background:var(--violet-dark);transform:translateY(-2px)}
    .site-footer{padding:55px 0 22px;background:#171321;color:#d8cfdf}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px;padding-bottom:38px}
    .footer-brand{color:#fff;font-size:18px}.footer-text{max-width:550px;color:#a9a0af;font-size:14px;margin:18px 0 12px}.notice{color:#e4b6c6;font-size:13px}
    .footer-links{display:grid;grid-template-columns:1fr 1fr;align-content:start;gap:13px 28px}.footer-links a{color:#aaa0b2;font-size:14px}.footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;color:#887e90;font-size:12px}
    @media(max-width:900px){.nav{gap:0}.nav a{padding:9px 9px}.feature-grid{grid-template-columns:1fr}.selection-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:700px){.container{width:min(var(--container),calc(100% - 28px))}.nav-toggle{display:block}.nav{display:none;position:absolute;left:14px;right:14px;top:70px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.hero{min-height:540px;padding:60px 0}.hero p{font-size:16px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:13px}.selection-grid,.process-grid,.faq-list,.footer-grid{grid-template-columns:1fr}.cta{display:block;padding:32px 25px}.cta .btn{margin-top:22px;width:100%}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:420px){h1{font-size:40px}.hero-actions .btn{width:100%}.feature-overlay{padding:22px}.feature-overlay h3{font-size:23px}}

/* roulang page: category5 */
:root{
      --bg:#090b12;
      --surface:#111521;
      --surface-2:#171c2a;
      --surface-3:#20273a;
      --text:#f6f7fb;
      --muted:#abb3c5;
      --soft:#7d879e;
      --line:rgba(255,255,255,.11);
      --brand:#ff5b79;
      --brand-2:#ff8b69;
      --violet:#9178ff;
      --success:#64d5ac;
      --warning:#ffc96b;
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --shadow:0 18px 50px rgba(0,0,0,.26);
      --container:1160px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--bg);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.7;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      width:600px;
      height:600px;
      border-radius:50%;
      top:-320px;
      right:-260px;
      background:rgba(145,120,255,.11);
      filter:blur(30px);
      pointer-events:none;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{color:#fff;background:var(--brand)}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(9,11,18,.86);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:none;
      font-size:18px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:34px;
      height:34px;
      display:grid;
      place-items:center;
      border-radius:11px;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 8px 22px rgba(255,91,121,.3);
      font-size:16px;
      font-weight:900;
      line-height:1;
    }
    .brand-text{white-space:nowrap}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{
      position:relative;
      padding:10px 12px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
      border-radius:10px;
      transition:color .2s ease,background .2s ease;
    }
    .nav a:hover,.nav a:focus-visible{color:#fff;background:rgba(255,255,255,.07)}
    .nav a.active{color:#fff}
    .nav a.active:after{
      content:"";
      position:absolute;
      left:12px;
      right:12px;
      bottom:3px;
      height:2px;
      border-radius:3px;
      background:var(--brand);
    }
    .nav-toggle{
      display:none;
      width:42px;
      height:42px;
      padding:0;
      color:#fff;
      border:1px solid var(--line);
      border-radius:12px;
      background:var(--surface);
    }
    .nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{
      content:"";
      display:block;
      width:18px;
      height:2px;
      margin:auto;
      border-radius:2px;
      background:currentColor;
      transition:transform .2s ease;
    }
    .nav-toggle span:before{transform:translateY(-6px)}
    .nav-toggle span:after{transform:translateY(4px)}
    .hero{
      position:relative;
      isolation:isolate;
      min-height:500px;
      display:flex;
      align-items:center;
      padding:92px 0 82px;
      overflow:hidden;
      background-image:linear-gradient(90deg,rgba(8,10,17,.94) 0%,rgba(8,10,17,.78) 48%,rgba(8,10,17,.46) 100%),url('/assets/images/backpic/back-3.webp');
      background-position:center;
      background-size:cover;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      z-index:-1;
      height:145px;
      background:linear-gradient(transparent,var(--bg));
    }
    .hero-content{max-width:760px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 18px;
      padding:7px 12px;
      color:#ffd9e0;
      border:1px solid rgba(255,139,105,.28);
      border-radius:999px;
      background:rgba(255,91,121,.12);
      font-size:13px;
      font-weight:700;
      letter-spacing:.05em;
    }
    .eyebrow i{
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--brand-2);
      box-shadow:0 0 0 4px rgba(255,139,105,.15);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:720px;
      margin-bottom:18px;
      font-size:clamp(38px,6vw,68px);
      line-height:1.12;
      letter-spacing:-.05em;
    }
    .hero p{
      max-width:650px;
      margin-bottom:28px;
      color:#d3d8e5;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .button{
      display:inline-flex;
      min-height:48px;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 19px;
      color:#fff;
      border:1px solid transparent;
      border-radius:14px;
      background:var(--brand);
      box-shadow:0 10px 24px rgba(255,91,121,.22);
      font-size:15px;
      font-weight:800;
      transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
    }
    .button:hover{transform:translateY(-2px);background:#ff4266;box-shadow:0 15px 30px rgba(255,91,121,.32)}
    .button:active{transform:translateY(0)}
    .button.secondary{background:rgba(255,255,255,.07);border-color:var(--line);box-shadow:none}
    .button.secondary:hover{background:rgba(255,255,255,.12)}
    .button:focus-visible,.nav a:focus-visible,.footer-links a:focus-visible,.faq-question:focus-visible{outline:3px solid rgba(145,120,255,.72);outline-offset:3px}
    main{padding-bottom:0}
    .section{padding:92px 0}
    .section-head{max-width:700px;margin-bottom:38px}
    .kicker{
      display:block;
      margin-bottom:10px;
      color:var(--brand-2);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    h2{
      margin-bottom:13px;
      font-size:clamp(28px,4vw,42px);
      line-height:1.22;
      letter-spacing:-.035em;
    }
    .section-head p{margin-bottom:0;color:var(--muted);font-size:16px}
    .quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quick-card{
      min-height:204px;
      padding:27px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(31,37,55,.92),rgba(16,20,31,.92));
      box-shadow:var(--shadow);
      transition:transform .25s ease,border-color .25s ease,background .25s ease;
    }
    .quick-card:hover{transform:translateY(-5px);border-color:rgba(255,139,105,.42);background:linear-gradient(145deg,rgba(38,44,66,.95),rgba(18,23,36,.95))}
    .card-icon{
      width:45px;
      height:45px;
      display:grid;
      place-items:center;
      margin-bottom:20px;
      border-radius:14px;
      color:#ffd9df;
      background:rgba(255,91,121,.14);
      font-size:21px;
      font-weight:800;
    }
    .quick-card:nth-child(2) .card-icon{color:#dcd5ff;background:rgba(145,120,255,.16)}
    .quick-card:nth-child(3) .card-icon{color:#c7f8e6;background:rgba(100,213,172,.14)}
    .quick-card h3{margin-bottom:8px;font-size:19px;line-height:1.35}
    .quick-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .split{
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
      align-items:center;
      gap:64px;
    }
    .image-panel{
      position:relative;
      min-height:410px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:var(--surface);
      box-shadow:var(--shadow);
    }
    .image-panel img{height:100%;object-fit:cover}
    .image-panel:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(8,10,17,.72));
    }
    .image-caption{
      position:absolute;
      z-index:1;
      bottom:24px;
      left:24px;
      right:24px;
      display:flex;
      align-items:center;
      gap:11px;
      color:#fff;
      font-weight:700;
    }
    .caption-dot{width:10px;height:10px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(100,213,172,.16)}
    .content-copy h2{margin-bottom:18px}
    .content-copy>p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:12px;margin:28px 0 0;padding:0;list-style:none}
    .check-list li{
      position:relative;
      padding:14px 16px 14px 45px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:13px;
      color:#dce1ec;
      background:rgba(255,255,255,.035);
      font-size:15px;
    }
    .check-list li:before{
      content:"✓";
      position:absolute;
      top:13px;
      left:16px;
      width:20px;
      height:20px;
      display:grid;
      place-items:center;
      color:#07130f;
      border-radius:50%;
      background:var(--success);
      font-size:12px;
      font-weight:900;
    }
    .process-wrap{background:#0d1019;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
    .step{
      position:relative;
      min-height:230px;
      padding:28px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--surface);
      box-shadow:0 12px 32px rgba(0,0,0,.16);
    }
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:flex;
      width:42px;
      height:42px;
      align-items:center;
      justify-content:center;
      margin-bottom:24px;
      color:#fff;
      border-radius:13px;
      background:linear-gradient(135deg,var(--violet),#6354d9);
      font-size:14px;
      font-weight:900;
    }
    .step h3{margin-bottom:9px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .notice-band{
      display:flex;
      align-items:flex-start;
      gap:15px;
      padding:20px 22px;
      border:1px solid rgba(255,201,107,.25);
      border-radius:16px;
      background:rgba(255,201,107,.08);
      color:#e9dfc9;
    }
    .notice-band strong{display:block;margin-bottom:3px;color:var(--warning)}
    .notice-band p{margin:0;font-size:14px}
    .faq-list{display:grid;gap:12px;max-width:860px}
    .faq-item{
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:16px;
      background:var(--surface);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:20px 22px;
      color:var(--text);
      border:0;
      background:transparent;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      color:var(--brand-2);
      font-size:23px;
      line-height:1;
      transition:transform .2s ease;
    }
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      position:relative;
      overflow:hidden;
      padding:54px;
      border:1px solid rgba(255,139,105,.3);
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 84% 12%,rgba(145,120,255,.3),transparent 33%),
        linear-gradient(120deg,#241827,#171b31);
    }
    .cta:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-100px;
      bottom:-150px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
      box-shadow:0 0 0 35px rgba(255,255,255,.025),0 0 0 70px rgba(255,255,255,.018);
    }
    .cta-content{position:relative;z-index:1;max-width:720px}
    .cta h2{margin-bottom:14px}
    .cta p{margin-bottom:24px;color:#d2d7e4}
    .site-footer{
      padding:64px 0 24px;
      border-top:1px solid var(--line);
      background:#07090e;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px}
    .footer-brand{margin-bottom:18px}
    .footer-text{max-width:590px;margin:0 0 13px;color:var(--muted);font-size:14px}
    .notice{margin:0;color:#d6a5af;font-size:13px}
    .footer-links{display:grid;grid-template-columns:repeat(2,1fr);align-content:start;gap:12px 25px}
    .footer-links a{color:var(--muted);font-size:14px;transition:color .2s ease}
    .footer-links a:hover{color:#fff}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      margin-top:48px;
      padding-top:20px;
      color:var(--soft);
      border-top:1px solid var(--line);
      font-size:13px;
    }
    @media (max-width:1024px){
      .nav{gap:0}
      .nav a{padding-left:9px;padding-right:9px;font-size:13px}
      .split{gap:40px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 36px))}
      .nav-toggle{display:block}
      .nav{
        position:absolute;
        top:calc(100% + 1px);
        left:18px;
        right:18px;
        display:none;
        padding:10px;
        border:1px solid var(--line);
        border-radius:16px;
        background:rgba(17,21,33,.98);
        box-shadow:var(--shadow);
      }
      .nav.open{display:grid}
      .nav a{padding:13px 14px}
      .nav a.active:after{left:14px;right:auto;width:28px;bottom:7px}
      .hero{min-height:520px;padding:76px 0 70px;background-position:62% center}
      .hero p{font-size:16px}
      .section{padding:68px 0}
      .quick-grid,.steps{grid-template-columns:1fr}
      .quick-card{min-height:auto}
      .split{grid-template-columns:1fr;gap:32px}
      .image-panel{min-height:340px}
      .footer-grid{grid-template-columns:1fr;gap:34px}
      .cta{padding:36px 26px}
    }
    @media (max-width:520px){
      h1{font-size:39px}
      h2{font-size:30px}
      .hero-actions{display:grid}
      .hero-actions .button{width:100%}
      .notice-band{padding:17px}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-bottom{display:grid;gap:6px;margin-top:34px}
      .image-panel{min-height:280px}
    }

/* roulang page: category1 */
:root {
      --bg: #0b1118;
      --bg-soft: #101923;
      --panel: #152130;
      --panel-2: #18283a;
      --line: rgba(255, 255, 255, 0.09);
      --line-strong: rgba(255, 255, 255, 0.16);
      --text: #eef3f9;
      --muted: #9eacbf;
      --muted-2: #7f8ca1;
      --accent: #ff6f4c;
      --accent-2: #28d7bf;
      --accent-3: #f3b54d;
      --danger: #ff5d7a;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
      --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.24);
      --radius: 8px;
      --radius-sm: 6px;
      --container: 1200px;
      --space: clamp(18px, 2vw, 28px);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background:
        linear-gradient(180deg, rgba(11, 17, 24, 0.9), rgba(11, 17, 24, 0.98)),
        url('/assets/images/backpic/back-3.webp') center top / cover fixed;
      color: var(--text);
      line-height: 1.65;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      min-height: 100vh;
    }

    ::selection {
      background: rgba(255, 111, 76, 0.3);
      color: #fff;
    }

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

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

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button {
      border: 0;
      background: none;
      color: inherit;
      padding: 0;
      cursor: pointer;
    }

    .container {
      width: min(var(--container), calc(100% - 2 * var(--space)));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      backdrop-filter: blur(18px);
      background: rgba(9, 14, 20, 0.78);
      border-bottom: 1px solid var(--line);
    }

    .nav-wrap {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
      min-width: 0;
      font-weight: 700;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(255, 111, 76, 0.95), rgba(243, 181, 77, 0.9));
      color: #0a121b;
      box-shadow: 0 10px 24px rgba(255, 111, 76, 0.22);
      flex: 0 0 auto;
    }

    .brand-text {
      font-size: 1.02rem;
      letter-spacing: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-toggle {
      margin-left: auto;
      width: 46px;
      height: 46px;
      border-radius: 10px;
      border: 1px solid var(--line);
      display: none;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.02);
      transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    }

    .nav-toggle:hover {
      transform: translateY(-1px);
      background: rgba(255, 255, 255, 0.05);
      border-color: var(--line-strong);
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: var(--text);
      position: relative;
      transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
    }

    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .nav-toggle span::before {
      top: -6px;
    }

    .nav-toggle span::after {
      top: 6px;
    }

    .nav {
      margin-left: auto;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .nav a {
      color: var(--muted);
      padding: 10px 14px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
      white-space: nowrap;
    }

    .nav a:hover,
    .nav a:focus-visible {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border-color: var(--line);
      transform: translateY(-1px);
      outline: none;
    }

    .nav a.active {
      color: #fff;
      background: linear-gradient(135deg, rgba(255, 111, 76, 0.18), rgba(40, 215, 191, 0.16));
      border-color: rgba(255, 255, 255, 0.12);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
    }

    .hero {
      position: relative;
      overflow: clip;
      padding: 30px 0 24px;
    }

    .hero-shell {
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(8, 14, 20, 0.94), rgba(8, 14, 20, 0.52)),
        url('/assets/images/backpic/back-1.webp') center / cover;
      box-shadow: var(--shadow);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
      gap: clamp(24px, 4vw, 48px);
      align-items: center;
      padding: clamp(32px, 5vw, 74px) 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: var(--accent-2);
      font-size: 0.9rem;
      margin-bottom: 18px;
    }

    .hero h1,
    .section-title {
      margin: 0;
      line-height: 1.08;
      text-wrap: balance;
    }

    .hero h1 {
      font-size: clamp(2.15rem, 4vw, 4.5rem);
      letter-spacing: 0;
      max-width: 12ch;
    }

    .hero-lead {
      max-width: 62ch;
      margin: 18px 0 0;
      color: #d6deea;
      font-size: 1.06rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 0 18px;
      border-radius: 10px;
      border: 1px solid transparent;
      transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
      font-weight: 600;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .btn svg {
      width: 16px;
      height: 16px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
      flex: 0 0 auto;
    }

    .btn-primary {
      color: #08111a;
      background: linear-gradient(135deg, var(--accent), #ff9460);
      box-shadow: 0 14px 28px rgba(255, 111, 76, 0.26);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 18px 34px rgba(255, 111, 76, 0.34);
      outline: none;
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.04);
      border-color: var(--line);
    }

    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      transform: translateY(-1px);
      border-color: var(--line-strong);
      background: rgba(255, 255, 255, 0.06);
      outline: none;
    }

    .hero-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: #dde5f0;
      font-size: 0.92rem;
    }

    .hero-media {
      position: relative;
      min-width: 0;
    }

    .hero-figure {
      margin: 0;
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: var(--shadow);
      aspect-ratio: 4 / 5;
      background: var(--panel);
    }

    .hero-figure img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-figure::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(9, 14, 20, 0.02), rgba(9, 14, 20, 0.52));
      pointer-events: none;
    }

    .hero-badge {
      position: absolute;
      left: 18px;
      top: 18px;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(9, 14, 20, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: #fff;
      backdrop-filter: blur(8px);
      font-size: 0.92rem;
    }

    .hero-corner {
      position: absolute;
      right: 18px;
      bottom: 18px;
      z-index: 2;
      display: grid;
      gap: 8px;
      padding: 14px 16px;
      border-radius: 12px;
      background: rgba(12, 18, 26, 0.82);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(10px);
      min-width: 180px;
    }

    .hero-corner span {
      color: var(--muted);
      font-size: 0.88rem;
    }

    .hero-corner strong {
      font-size: 1rem;
      color: #fff;
    }

    .signal-strip {
      margin-top: -1px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(13, 20, 28, 0.88);
    }

    .signal-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      background: var(--line);
    }

    .signal {
      padding: 18px 18px 16px;
      background: rgba(15, 24, 34, 0.95);
      min-height: 92px;
    }

    .signal strong {
      display: block;
      font-size: 1.02rem;
      margin-bottom: 6px;
    }

    .signal span {
      color: var(--muted);
      font-size: 0.93rem;
      display: block;
    }

    .section {
      padding: clamp(54px, 7vw, 88px) 0;
    }

    .section.alt {
      background: linear-gradient(180deg, rgba(11, 17, 24, 0.86), rgba(11, 17, 24, 0.98));
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 18px;
      margin-bottom: 24px;
    }

    .section-title {
      font-size: clamp(1.55rem, 2.6vw, 2.5rem);
      max-width: 15ch;
    }

    .section-lead {
      margin: 0;
      color: var(--muted);
      max-width: 58ch;
    }

    .eyebrow-inline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: var(--accent-3);
      font-size: 0.92rem;
      font-weight: 600;
    }

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

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .info-card,
    .topic-card,
    .panel,
    .faq-item {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0.018));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }

    .info-card,
    .panel {
      padding: 22px;
    }

    .info-card {
      min-height: 100%;
      transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    }

    .info-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.16);
      background: rgba(255, 255, 255, 0.04);
    }

    .card-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      background: linear-gradient(135deg, rgba(255, 111, 76, 0.2), rgba(40, 215, 191, 0.18));
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .card-icon svg {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
    }

    .info-card h3,
    .topic-card h3,
    .panel h3,
    .faq-item summary {
      margin: 0;
      font-size: 1.05rem;
      line-height: 1.3;
      text-wrap: balance;
    }

    .info-card p,
    .topic-card p,
    .panel p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .topic-card {
      overflow: hidden;
      transition: transform 0.18s ease, border-color 0.18s ease;
    }

    .topic-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, 0.16);
    }

    .topic-media {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: var(--panel-2);
    }

    .topic-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .topic-card:hover .topic-media img {
      transform: scale(1.03);
    }

    .topic-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(9, 14, 20, 0.02), rgba(9, 14, 20, 0.44));
    }

    .topic-body {
      padding: 18px 18px 20px;
    }

    .topic-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 12px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: #dfe7f2;
      font-size: 0.84rem;
    }

    .topic-title {
      font-size: 1.08rem;
    .topic-title {
      font-size: 1.08rem;
      line-height: 1.38;
      margin: 0;
      text-wrap: balance;
    }

    .topic-desc {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 0.96rem;
    }

    .topic-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 16px;
      color: #cfd9e6;
      font-size: 0.9rem;
    }

    .topic-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-2);
      font-weight: 600;
    }

    .topic-link svg,
    .inline-arrow svg {
      width: 15px;
      height: 15px;
      stroke: currentColor;
      stroke-width: 2;
      fill: none;
    }

    .topic-link:hover,
    .topic-link:focus-visible {
      color: #7ff0e0;
      outline: none;
    }

    .split {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(320px, 0.94fr);
      gap: 18px;
      align-items: stretch;
    }

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

    .feature-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: #dde5f0;
    }

    .feature-list .bullet {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      margin-top: 4px;
      flex: 0 0 auto;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.03);
    }

    .feature-list span {
      color: var(--muted);
      display: block;
      margin-top: 3px;
    }

    .metrics {
      display: grid;
      gap: 14px;
    }

    .metric {
      padding: 18px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
      border: 1px solid var(--line);
    }

    .metric strong {
      display: block;
      font-size: 1.45rem;
      line-height: 1.15;
      margin-bottom: 6px;
    }

    .metric span {
      color: var(--muted);
      font-size: 0.92rem;
    }

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

    .faq-item {
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      transition: background 0.18s ease;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--line);
      flex: 0 0 auto;
      transition: transform 0.18s ease, background 0.18s ease;
    }

    .faq-item[open] summary::after {
      content: "–";
      transform: rotate(180deg);
    }

    .faq-item summary:hover {
      background: rgba(255, 255, 255, 0.03);
    }

    .faq-content {
      padding: 0 20px 20px;
      color: var(--muted);
    }

    .cta {
      position: relative;
      overflow: hidden;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(10, 16, 23, 0.96), rgba(13, 22, 31, 0.88)),
        url('/assets/images/backpic/back-2.webp') center / cover;
    }

    .cta-box {
      padding: clamp(28px, 4vw, 44px);
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(9, 14, 20, 0.5);
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow);
    }

    .cta-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
      gap: 22px;
      align-items: center;
    }

    .cta h2 {
      margin: 0;
      font-size: clamp(1.55rem, 3vw, 2.45rem);
      line-height: 1.12;
      text-wrap: balance;
    }

    .cta p {
      margin: 14px 0 0;
      color: #d7e1ed;
      max-width: 58ch;
    }

    .cta-card {
      display: grid;
      gap: 12px;
      padding: 22px;
      border-radius: 14px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.025));
      border: 1px solid var(--line);
    }

    .cta-card strong {
      font-size: 1.08rem;
    }

    .cta-card span {
      color: var(--muted);
    }

    .footer {
      padding: 34px 0 26px;
      background: rgba(9, 14, 20, 0.96);
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
      gap: 24px;
      padding-bottom: 22px;
      border-bottom: 1px solid var(--line);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-text,
    .notice {
      margin: 0;
      color: var(--muted);
      max-width: 64ch;
    }

    .notice {
      margin-top: 10px;
      color: #d8c9a8;
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px 18px;
      align-content: start;
      justify-content: start;
    }

    .footer-links a {
      color: var(--muted);
      transition: color 0.18s ease, transform 0.18s ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #fff;
      transform: translateX(2px);
      outline: none;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      justify-content: space-between;
      padding-top: 18px;
      color: var(--muted-2);
      font-size: 0.92rem;
    }

    .inline-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    .divider {
      height: 1px;
      background: var(--line);
      margin: 0;
      border: 0;
    }

    .media-row {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 18px;
      margin-top: 18px;
    }

    .media-card {
      position: relative;
      overflow: hidden;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: var(--panel);
      min-height: 100%;
      box-shadow: var(--shadow-soft);
    }

    .media-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 16 / 11;
    }

    .media-caption {
      position: absolute;
      inset: auto 16px 16px 16px;
      padding: 12px 14px;
      border-radius: 12px;
      background: rgba(9, 14, 20, 0.76);
      border: 1px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      color: #fff;
    }

    .panel-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .panel-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--muted);
    }

    .panel-list strong {
      color: #fff;
    }

    .panel-list .dot {
      margin-top: 9px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-2);
      flex: 0 0 auto;
    }

    .mini-bar {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 16px;
    }

    .mini-bar .tag {
      background: rgba(255, 255, 255, 0.035);
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .split,
      .cta-grid,
      .media-row,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .signal-grid,
      .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .nav-wrap {
        flex-wrap: wrap;
        min-height: auto;
        padding: 14px 0;
      }

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

      .nav {
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        margin-left: 0;
        padding-bottom: 8px;
      }

      .nav.is-open {
        display: flex;
      }

      .nav a {
        width: 100%;
        padding: 12px 14px;
        border-radius: 12px;
      }

      .hero {
        padding-top: 18px;
      }

      .hero h1 {
        max-width: 14ch;
      }

      .section-head {
        flex-direction: column;
        align-items: start;
      }

      .grid-3,
      .grid-4,
      .signal-grid {
        grid-template-columns: 1fr;
      }

      .hero-corner {
        min-width: 0;
        left: 18px;
        right: 18px;
      }

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

      .topic-meta,
      .hero-actions,
      .hero-chips {
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      :root {
        --space: 14px;
      }

      .container {
        width: min(var(--container), calc(100% - 2 * var(--space)));
      }

      .hero-lead,
      .section-lead,
      .footer-text {
        font-size: 0.98rem;
      }

      .btn {
        width: 100%;
      }

      .hero-actions {
        display: grid;
      }

      .cta-box,
      .info-card,
      .panel,
      .topic-body,
      .metric {
        padding: 18px;
      }

      .faq-item summary {
        padding: 16px 16px;
      }

      .faq-content {
        padding: 0 16px 16px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#090c16;
      --bg-deep:#060810;
      --panel:#121827;
      --panel-soft:#171f32;
      --panel-light:#202a40;
      --line:rgba(203,218,255,.14);
      --line-strong:rgba(203,218,255,.24);
      --text:#f6f8ff;
      --muted:#aab4cc;
      --muted-2:#7e8aa7;
      --primary:#ff5c89;
      --primary-light:#ff9ab6;
      --accent:#8e7dff;
      --success:#65d8af;
      --warning:#f6c55a;
      --shadow:0 20px 60px rgba(0,0,0,.3);
      --shadow-soft:0 10px 30px rgba(0,0,0,.2);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:30px;
      --container:1180px;
      --ease:all .25s cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:var(--bg);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.72;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{color:#fff;background:var(--primary)}
    :focus-visible{outline:3px solid rgba(255,154,182,.9);outline-offset:3px}

    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(9,12,22,.82);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex-shrink:0;
      font-weight:800;
      letter-spacing:.02em;
    }
    .brand{font-size:19px}
    .brand-mark{
      width:34px;
      height:34px;
      display:inline-grid;
      place-items:center;
      border-radius:11px;
      color:#fff;
      font-size:17px;
      line-height:1;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 7px 18px rgba(255,92,137,.28);
    }
    .brand-text{white-space:nowrap}
    .nav{display:flex;align-items:center;gap:5px}
    .nav a{
      position:relative;
      padding:9px 13px;
      color:var(--muted);
      border-radius:10px;
      white-space:nowrap;
      font-size:14px;
      font-weight:650;
      transition:var(--ease);
    }
    .nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
    .nav a.active{color:#fff;background:rgba(255,92,137,.16)}
    .nav a.active:after{
      position:absolute;
      content:"";
      left:18px;
      right:18px;
      bottom:2px;
      height:2px;
      border-radius:4px;
      background:var(--primary);
    }
    .nav-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:12px;
      background:var(--panel-soft);
      color:#fff;
    }
    .nav-toggle span,.nav-toggle:before,.nav-toggle:after{
      content:"";
      display:block;
      width:19px;
      height:2px;
      margin:4px auto;
      border-radius:2px;
      background:#fff;
      transition:var(--ease);
    }

    .hero{
      position:relative;
      isolation:isolate;
      min-height:515px;
      display:flex;
      align-items:flex-end;
      overflow:hidden;
      background-color:#111829;
      background-image:
        linear-gradient(90deg,rgba(6,8,16,.94) 4%,rgba(6,8,16,.7) 45%,rgba(6,8,16,.32) 100%),
        linear-gradient(0deg,rgba(9,12,22,1) 0%,rgba(9,12,22,0) 44%),
        url('/assets/images/backpic/back-2.webp');
      background-position:center;
      background-size:cover;
    }
    .hero:before{
      position:absolute;
      z-index:-1;
      content:"";
      width:550px;
      height:550px;
      right:-180px;
      top:-235px;
      border-radius:50%;
      background:rgba(142,125,255,.19);
      filter:blur(16px);
    }
    .hero:after{
      position:absolute;
      z-index:-1;
      content:"";
      left:9%;
      bottom:64px;
      width:160px;
      height:160px;
      border:1px solid rgba(255,255,255,.1);
      border-radius:50%;
    }
    .hero-inner{width:100%;padding:94px 0 72px}
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
      color:#ccd3e7;
      font-size:14px;
    }
    .crumbs a{transition:var(--ease)}
    .crumbs a:hover{color:var(--primary-light)}
    .crumbs i{width:4px;height:4px;border-radius:50%;background:var(--primary);font-style:normal}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:6px 12px;
      margin-bottom:16px;
      border:1px solid rgba(255,167,191,.28);
      border-radius:99px;
      color:#ffd1dd;
      background:rgba(255,92,137,.12);
      font-size:13px;
      font-weight:700;
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(255,92,137,.17)}
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:790px;
      margin-bottom:18px;
      font-size:clamp(38px,5vw,65px);
      line-height:1.14;
      letter-spacing:-.045em;
    }
    .hero-lead{
      max-width:650px;
      margin-bottom:29px;
      color:#d4daea;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:11px 19px;
      border:1px solid transparent;
      border-radius:14px;
      font-weight:750;
      transition:var(--ease);
    }
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 11px 26px rgba(255,92,137,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:#ff739c;box-shadow:0 14px 30px rgba(255,92,137,.36)}
    .btn-secondary{color:#f2f4ff;border-color:rgba(255,255,255,.21);background:rgba(13,18,32,.35)}
    .btn-secondary:hover{border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.1)}
    .arrow{font-size:20px;line-height:1}

    main{position:relative}
    .section{padding:98px 0}
    .section-dark{background:var(--bg-deep)}
    .section-soft{
      border-top:1px solid rgba(255,255,255,.04);
      border-bottom:1px solid rgba(255,255,255,.04);
      background:#0d1220;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:38px;
    }
    .section-kicker{
      margin-bottom:8px;
      color:var(--primary-light);
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    h2{
      margin-bottom:0;
      font-size:clamp(28px,3.5vw,43px);
      line-height:1.22;
      letter-spacing:-.035em;
    }
    .section-intro{
      max-width:470px;
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .scene-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .scene-card{
      position:relative;
      grid-column:span 4;
      min-height:330px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--panel);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .scene-card.wide{grid-column:span 5}
    .scene-card.narrow{grid-column:span 3}
    .scene-card:hover{border-color:rgba(255,153,184,.42);transform:translateY(-6px);box-shadow:var(--shadow)}
    .scene-card img{
      width:100%;
      height:100%;
      position:absolute;
      inset:0;
      object-fit:cover;
      opacity:.72;
      transition:transform .6s ease,opacity .35s ease;
    }
    .scene-card:hover img{transform:scale(1.06);opacity:.88}
    .scene-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(7,10,19,.02) 20%,rgba(7,10,19,.95) 100%);
    }
    .scene-content{
      position:absolute;
      z-index:1;
      left:0;
      right:0;
      bottom:0;
      padding:24px;
    }
    .card-num{
      display:inline-flex;
      padding:4px 9px;
      margin-bottom:11px;
      border-radius:8px;
      color:#ffe1eb;
      background:rgba(255,92,137,.21);
      font-size:12px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .scene-card h3{margin-bottom:7px;font-size:22px;line-height:1.3}
    .scene-card p{margin:0;color:#d5dbea;font-size:14px;line-height:1.68}
    .scene-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:14px;
      color:#fff;
      font-size:14px;
      font-weight:750;
    }
    .scene-link span{color:var(--primary-light);transition:var(--ease)}
    .scene-card:hover .scene-link span{transform:translateX(4px)}

    .feature-layout{
      display:grid;
      grid-template-columns:1fr 1.05fr;
      gap:64px;
      align-items:center;
    }
    .feature-image{
      position:relative;
      min-height:460px;
      overflow:hidden;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .feature-image img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
    .feature-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(142,125,255,.2),transparent 55%),linear-gradient(0deg,rgba(8,10,19,.6),transparent 55%);
    }
    .image-note{
      position:absolute;
      z-index:2;
      left:22px;
      bottom:22px;
      max-width:250px;
      padding:13px 15px;
      border:1px solid rgba(255,255,255,.2);
      border-radius:14px;
      color:#f6f8ff;
      background:rgba(10,13,24,.68);
      backdrop-filter:blur(10px);
      font-size:13px;
      line-height:1.65;
    }
    .feature-copy h2{margin-bottom:18px}
    .feature-copy>p{margin-bottom:25px;color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:13px;margin:0;padding:0;list-style:none}
    .check-list li{
      position:relative;
      padding:13px 15px 13px 47px;
      border:1px solid var(--line);
      border-radius:14px;
      color:#dce2f0;
      background:rgba(255,255,255,.025);
      font-size:14px;
    }
    .check-list li:before{
      content:"✓";
      position:absolute;
      left:15px;
      top:12px;
      display:grid;
      width:22px;
      height:22px;
      place-items:center;
      border-radius:50%;
      color:#12271f;
      background:var(--success);
      font-size:13px;
      font-weight:900;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step{
      position:relative;
      min-height:208px;
      padding:26px 22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--panel);
      overflow:hidden;
      transition:var(--ease);
    }
    .step:hover{transform:translateY(-5px);border-color:rgba(142,125,255,.48);background:var(--panel-soft)}
    .step:before{
      counter-increment:step;
      content:"0" counter(step);
      display:block;
      margin-bottom:25px;
      color:rgba(142,125,255,.5);
      font-size:42px;
      font-weight:850;
      line-height:1;
      letter-spacing:-.05em;
    }
    .step h3{margin-bottom:8px;font-size:18px}
    .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}

    .safety-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
    }
    .safety-panel{
      padding:35px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,rgba(255,92,137,.1),rgba(142,125,255,.07));
    }
    .safety-panel h2{margin-bottom:14px}
    .safety-panel>p{max-width:650px;margin-bottom:23px;color:#c9d1e3}
    .safety-items{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .safety-item{
      padding:15px;
      border-radius:14px;
      background:rgba(8,11,21,.38);
      border:1px solid rgba(255,255,255,.09);
    }
    .safety-item strong{display:block;margin-bottom:4px;color:#fff;font-size:14px}
    .safety-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .age-card{
      position:relative;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:100%;
      padding:35px;
      overflow:hidden;
      border:1px solid rgba(246,197,90,.24);
      border-radius:var(--radius-lg);
      background:#18151c;
    }
    .age-card:before{
      content:"18+";
      position:absolute;
      right:-11px;
      top:-30px;
      color:rgba(246,197,90,.1);
      font-size:115px;
      font-weight:900;
      line-height:1;
      letter-spacing:-.1em;
    }
    .age-icon{
      position:relative;
      z-index:1;
      display:grid;
      width:49px;
      height:49px;
      margin-bottom:18px;
      place-items:center;
      border-radius:15px;
      color:#2b2208;
      background:var(--warning);
      font-size:20px;
      font-weight:900;
    }
    .age-card h3{position:relative;z-index:1;margin-bottom:9px;font-size:23px}
    .age-card p{position:relative;z-index:1;margin:0;color:#c9c3cc;font-size:14px}

    .faq-layout{
      display:grid;
      grid-template-columns:.76fr 1.24fr;
      gap:68px;
      align-items:start;
    }
    .faq-side{
      position:sticky;
      top:105px;
    }
    .faq-side h2{margin-bottom:15px}
    .faq-side p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:15px;
      background:var(--panel);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:19px 21px;
      color:#f7f8ff;
      text-align:left;
      background:transparent;
      font-size:16px;
      font-weight:750;
    }
    .faq-question b{
      width:25px;
      height:25px;
      flex:0 0 25px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:var(--primary-light);
      background:rgba(255,92,137,.12);
      font-size:20px;
      font-weight:400;
      line-height:1;
      transition:var(--ease);
    }
    .faq-answer{
      display:grid;
      grid-template-rows:0fr;
      transition:grid-template-rows .3s ease;
    }
    .faq-answer>div{overflow:hidden}
    .faq-answer p{margin:0;padding:0 21px 0;color:var(--muted);font-size:14px}
    .faq-item.open{border-color:rgba(255,145,179,.32)}
    .faq-item.open .faq-answer{grid-template-rows:1fr}
    .faq-item.open .faq-answer p{padding-bottom:20px}
    .faq-item.open .faq-question b{color:#fff;background:var(--primary);transform:rotate(45deg)}

    .cta{
      position:relative;
      overflow:hidden;
      padding:58px;
      border:1px solid rgba(255,179,202,.25);
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 85% 10%,rgba(142,125,255,.35),transparent 29%),
        radial-gradient(circle at 3% 95%,rgba(255,92,137,.27),transparent 31%),
        #19152a;
      text-align:center;
    }
    .cta:before,.cta:after{
      position:absolute;
      content:"";
      width:220px;
      height:220px;
      border:1px solid rgba(255,255,255,.11);
      border-radius:50%;
    }
    .cta:before{top:-135px;left:-84px}
    .cta:after{right:-115px;bottom:-140px}
    .cta>*{position:relative;z-index:1}
    .cta h2{max-width:700px;margin:0 auto 15px}
    .cta p{max-width:660px;margin:0 auto 26px;color:#d4d1e5}
    .cta .hero-actions{justify-content:center}

    .site-footer{
      padding:65px 0 23px;
      border-top:1px solid rgba(255,255,255,.08);
      background:#060810;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:55px;
      padding-bottom:42px;
    }
    .footer-brand{margin-bottom:15px;font-size:18px}
    .footer-text{max-width:580px;margin-bottom:13px;color:var(--muted);font-size:14px}
    .notice{
      display:inline-block;
      margin:0;
      padding:6px 10px;
      border:1px solid rgba(246,197,90,.2);
      border-radius:8px;
      color:#e8c976;
      background:rgba(246,197,90,.06);
      font-size:12px;
    }
    .footer-links{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      align-content:start;
      gap:10px 18px;
    }
    .footer-links a{
      color:#b9c2d8;
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--primary-light);transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:21px;
      border-top:1px solid rgba(255,255,255,.08);
      color:var(--muted-2);
      font-size:13px;
    }

    @media (max-width:1024px){
      .nav{gap:0}
      .nav a{padding:9px 9px;font-size:13px}
      .scene-card{grid-column:span 6}
      .scene-card.wide,.scene-card.narrow{grid-column:span 6}
      .feature-layout,.faq-layout{gap:38px}
      .steps{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{width:min(100% - 36px,var(--container))}
      .nav-toggle{display:block;position:relative;z-index:52}
      .nav{
        position:fixed;
        z-index:51;
        top:76px;
        left:18px;
        right:18px;
        display:flex;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:12px;
        border:1px solid var(--line-strong);
        border-radius:18px;
        background:#121827;
        box-shadow:var(--shadow);
        opacity:0;
        visibility:hidden;
        transform:translateY(-12px);
        transition:var(--ease);
      }
      .nav.open{opacity:1;visibility:visible;transform:translateY(0)}
      .nav a{padding:12px 14px;font-size:15px}
      .nav a.active:after{display:none}
      .hero{min-height:480px;background-position:62% center}
      .hero-inner{padding:75px 0 55px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:27px}
      .section-intro{margin-top:13px}
      .feature-layout,.safety-grid,.faq-layout,.footer-grid{grid-template-columns:1fr}
      .feature-image{min-height:335px;order:2}
      .feature-copy{order:1}
      .faq-side{position:static}
      .safety-panel,.age-card,.cta{padding:28px}
      .footer-grid{gap:32px}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .nav-wrap{min-height:68px}
      .nav{top:68px;left:14px;right:14px}
      .brand{font-size:16px}
      .brand-mark{width:31px;height:31px;border-radius:10px;font-size:15px}
      h1{font-size:38px}
      .hero-lead{font-size:16px}
      .hero-actions{display:grid;grid-template-columns:1fr}
      .btn{width:100%}
      .section{padding:56px 0}
      .scene-grid{gap:13px}
      .scene-card,.scene-card.wide,.scene-card.narrow{grid-column:span 12;min-height:270px}
      .scene-content{padding:19px}
      .safety-items,.steps{grid-template-columns:1fr}
      .step{min-height:auto}
      .feature-image{min-height:275px}
      .safety-panel,.age-card,.cta{padding:22px}
      .faq-question{padding:17px 16px;font-size:15px}
      .faq-answer p{padding-left:16px;padding-right:16px}
      .footer-links{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block}
      .footer-bottom span+span{margin-top:5px}
    }