/* roulang page: index */
:root {
      --bg: #f7f3ec;
      --bg-soft: #fffaf2;
      --surface: #ffffff;
      --surface-strong: #161817;
      --text: #1c211f;
      --muted: #68706c;
      --light: #f2eadf;
      --line: rgba(28, 33, 31, .12);
      --primary: #b13f54;
      --primary-dark: #842c3d;
      --secondary: #176b73;
      --secondary-dark: #0e4e55;
      --accent: #d99a3f;
      --success: #3f7f5b;
      --radius-sm: 10px;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow: 0 18px 50px rgba(34, 27, 19, .12);
      --shadow-soft: 0 10px 30px rgba(34, 27, 19, .08);
      --container: 1180px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, transform .2s ease, border-color .2s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    :focus-visible {
      outline: 3px solid rgba(23, 107, 115, .28);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 250, 242, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(28, 33, 31, .08);
    }

    .nav-wrap {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: max-content;
      font-weight: 800;
      letter-spacing: 0;
      color: var(--text);
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 10px 26px rgba(177, 63, 84, .24);
      font-size: 18px;
    }

    .brand-text {
      font-size: 20px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      flex: 1;
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: #38413d;
      font-weight: 650;
      font-size: 15px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      background: #efe2d2;
      color: var(--primary-dark);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      background: var(--surface-strong);
      color: #fff;
      font-weight: 750;
      box-shadow: var(--shadow-soft);
    }

    .nav-action:hover {
      transform: translateY(-2px);
      background: #2b2f2d;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: #efe2d2;
      color: var(--text);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: currentColor;
      border-radius: 3px;
    }

    .hero {
      position: relative;
      min-height: 680px;
      padding: 96px 0 84px;
      color: #fff;
      isolation: isolate;
      background:
        linear-gradient(90deg, rgba(15, 18, 17, .86) 0%, rgba(15, 18, 17, .63) 48%, rgba(15, 18, 17, .28) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 160px;
      background: linear-gradient(180deg, rgba(247, 243, 236, 0), var(--bg));
      z-index: -1;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .65fr);
      gap: 54px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .22);
      color: rgba(255, 255, 255, .92);
      font-weight: 700;
      font-size: 14px;
      backdrop-filter: blur(10px);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 99px;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(217, 154, 63, .18);
    }

    h1 {
      margin: 28px 0 22px;
      font-size: clamp(42px, 7vw, 82px);
      line-height: 1.05;
      letter-spacing: 0;
      max-width: 850px;
    }

    .hero-lead {
      max-width: 740px;
      margin: 0;
      font-size: 20px;
      color: rgba(255, 255, 255, .86);
    }

    .hero-actions,
    .section-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 16px 34px rgba(177, 63, 84, .32);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .12);
      color: #fff;
      border-color: rgba(255, 255, 255, .28);
      backdrop-filter: blur(10px);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, .2);
      transform: translateY(-2px);
    }

    .btn-light {
      background: var(--surface);
      color: var(--text);
      border-color: var(--line);
      box-shadow: var(--shadow-soft);
    }

    .btn-light:hover {
      transform: translateY(-2px);
      border-color: rgba(177, 63, 84, .28);
      color: var(--primary-dark);
    }

    .hero-panel {
      background: rgba(255, 250, 242, .92);
      color: var(--text);
      border: 1px solid rgba(255, 255, 255, .4);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
    }

    .panel-title {
      margin: 0 0 18px;
      font-size: 22px;
      line-height: 1.35;
    }

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

    .check-list li {
      display: flex;
      gap: 10px;
      color: #3d4642;
      align-items: flex-start;
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: rgba(63, 127, 91, .13);
      color: var(--success);
      font-weight: 900;
      line-height: 1;
      margin-top: 2px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .metric {
      padding: 14px 12px;
      border-radius: 16px;
      background: #f4ece1;
      border: 1px solid rgba(28, 33, 31, .08);
    }

    .metric strong {
      display: block;
      font-size: 22px;
      line-height: 1.1;
      color: var(--primary-dark);
    }

    .metric span {
      display: block;
      margin-top: 4px;
      font-size: 13px;
      color: var(--muted);
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: 86px 0;
    }

    .section.tight {
      padding-top: 52px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--primary);
      font-weight: 850;
      font-size: 14px;
    }

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

    .section-desc {
      max-width: 560px;
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .category-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .category-card {
      position: relative;
      overflow: hidden;
      min-height: 380px;
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(28, 33, 31, .08);
    }

    .category-card img {
      width: 100%;
      height: 210px;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .category-card:hover img {
      transform: scale(1.05);
    }

    .category-body {
      padding: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 0 11px;
      border-radius: 999px;
      background: #f0e5d8;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .category-body h3,
    .feature-card h3,
    .update-card h3,
    .privacy-copy h3 {
      margin: 16px 0 10px;
      font-size: 22px;
      line-height: 1.3;
    }

    .category-body p,
    .feature-card p,
    .update-card p,
    .privacy-copy p {
      margin: 0;
      color: var(--muted);
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      margin-top: 18px;
      font-weight: 850;
      color: var(--secondary-dark);
    }

    .card-link:hover {
      color: var(--primary-dark);
      transform: translateX(3px);
    }

    .feature-band {
      background: var(--surface);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

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

    .feature-card {
      min-height: 250px;
      padding: 26px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, #fff, #fbf3e8);
      border: 1px solid rgba(28, 33, 31, .08);
      box-shadow: 0 8px 24px rgba(34, 27, 19, .06);
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-soft);
    }

    .icon-box {
      width: 48px;
      height: 48px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: var(--secondary);
      font-size: 22px;
      font-weight: 900;
    }

    .split {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 46px;
      align-items: center;
    }

    .visual-frame {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      border: 1px solid rgba(28, 33, 31, .1);
      background: var(--surface);
    }

    .visual-frame img {
      width: 100%;
      min-height: 430px;
      object-fit: cover;
    }

    .floating-note {
      position: absolute;
      left: 24px;
      bottom: 24px;
      right: 24px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(255, 250, 242, .9);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, .56);
      box-shadow: var(--shadow-soft);
    }

    .floating-note strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text);
    }

    .floating-note span {
      color: var(--muted);
      font-size: 14px;
    }

    .steps {
      display: grid;
      gap: 14px;
      margin-top: 26px;
    }

    .step {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 15px;
      padding: 18px;
      border-radius: 18px;
      background: var(--surface);
      border: 1px solid rgba(28, 33, 31, .08);
      box-shadow: 0 8px 24px rgba(34, 27, 19, .05);
    }

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: #efe2d2;
      color: var(--primary-dark);
      font-weight: 900;
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 18px;
    }

    .step p {
      margin: 0;
      color: var(--muted);
    }

    .updates {
      background:
        linear-gradient(180deg, rgba(255, 250, 242, .94), rgba(255, 250, 242, .94)),
        url('/assets/images/backpic/back-2.webp') center/cover fixed;
    }

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

    .update-card {
      display: grid;
      grid-template-columns: 160px 1fr auto;
      gap: 22px;
      align-items: center;
      padding: 18px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .9);
      border: 1px solid rgba(28, 33, 31, .08);
      box-shadow: 0 10px 28px rgba(34, 27, 19, .07);
      backdrop-filter: blur(12px);
    }

    .update-thumb {
      height: 104px;
      border-radius: 16px;
      overflow: hidden;
      background: #eee;
    }

    .update-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .update-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 8px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 700;
    }

    .empty-state {
      padding: 28px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px dashed rgba(28, 33, 31, .22);
      color: var(--muted);
      text-align: center;
    }

    .privacy-zone {
      background: var(--surface-strong);
      color: #fff;
    }

    .privacy-zone .section-kicker {
      color: #f4bd71;
    }

    .privacy-zone .section-desc,
    .privacy-zone p {
      color: rgba(255, 255, 255, .74);
    }

    .privacy-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 30px;
    }

    .privacy-copy {
      padding: 26px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .07);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .privacy-copy h3 {
      color: #fff;
    }

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

    .proof-card {
      padding: 24px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid rgba(28, 33, 31, .08);
      box-shadow: var(--shadow-soft);
    }

    .proof-card strong {
      display: block;
      color: var(--secondary-dark);
      font-size: 30px;
      line-height: 1.1;
      margin-bottom: 8px;
    }

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

    .faq-wrap {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 38px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid rgba(28, 33, 31, .08);
      box-shadow: 0 8px 24px rgba(34, 27, 19, .05);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 20px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 850;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #efe2d2;
      color: var(--primary-dark);
      flex: 0 0 auto;
      transition: transform .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: var(--muted);
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .cta {
      padding: 0 0 88px;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      padding: 58px;
      color: #fff;
      background:
        linear-gradient(90deg, rgba(132, 44, 61, .96), rgba(14, 78, 85, .9)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .cta-box h2 {
      margin: 0;
      max-width: 780px;
      font-size: clamp(30px, 4vw, 50px);
      line-height: 1.18;
    }

    .cta-box p {
      max-width: 700px;
      margin: 18px 0 0;
      color: rgba(255, 255, 255, .82);
      font-size: 18px;
    }

    .site-footer {
      background: #111412;
      color: rgba(255, 255, 255, .76);
      padding: 54px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr repeat(3, .7fr);
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      font-size: 20px;
      margin-bottom: 14px;
    }

    .footer-col h3 {
      margin: 0 0 14px;
      color: #fff;
      font-size: 16px;
    }

    .footer-col a {
      display: block;
      margin: 9px 0;
      color: rgba(255, 255, 255, .68);
    }

    .footer-col a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .footer-note {
      margin: 0;
      max-width: 500px;
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
      padding-top: 24px;
      color: rgba(255, 255, 255, .56);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .split,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 78px;
      }

      .hero-panel {
        max-width: 680px;
      }

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

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

      .update-card {
        grid-template-columns: 132px 1fr;
      }

      .update-card .card-link {
        grid-column: 2;
      }

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

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .nav-wrap {
        height: 68px;
      }

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

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

      .nav-links {
        position: fixed;
        left: 14px;
        right: 14px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        background: rgba(255, 250, 242, .98);
        border: 1px solid rgba(28, 33, 31, .1);
        border-radius: 22px;
        box-shadow: var(--shadow);
      }

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

      .nav-links a,
      .nav-action {
        width: 100%;
        justify-content: center;
        text-align: center;
      }

      .hero {
        min-height: auto;
        padding: 68px 0 70px;
      }

      h1 {
        font-size: clamp(38px, 13vw, 58px);
      }

      .hero-lead {
        font-size: 18px;
      }

      .hero-metrics,
      .category-grid,
      .feature-grid,
      .privacy-grid,
      .proof-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 64px 0;
      }

      .section-head {
        display: block;
      }

      .section-desc {
        margin-top: 12px;
      }

      .visual-frame img {
        min-height: 320px;
      }

      .update-card {
        grid-template-columns: 1fr;
      }

      .update-card .card-link {
        grid-column: auto;
      }

      .update-thumb {
        height: 180px;
      }

      .cta-box {
        padding: 34px 24px;
        border-radius: 24px;
      }

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

    @media (max-width: 520px) {
      .brand-mark {
        width: 36px;
        height: 36px;
        border-radius: 12px;
      }

      .hero-actions,
      .section-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .hero-panel {
        padding: 22px;
      }

      .category-card {
        min-height: auto;
      }

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

      .floating-note {
        position: static;
        margin: -74px 14px 14px;
      }

      .copyright {
        display: block;
      }

      .copyright span {
        display: block;
        margin-top: 8px;
      }
    }

/* roulang page: article */
:root{
      --ink:#17212b;
      --muted:#63717d;
      --paper:#f7f8f6;
      --surface:#ffffff;
      --line:#dce3e5;
      --mint:#168372;
      --mint-dark:#0d5d52;
      --coral:#ec6c5c;
      --sand:#f0e6d5;
      --night:#122d31;
      --radius:12px;
      --radius-lg:18px;
      --shadow:0 14px 38px rgba(19,43,45,.10);
      --shadow-soft:0 6px 20px rgba(19,43,45,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    :focus-visible{outline:3px solid rgba(236,108,92,.6);outline-offset:3px}
    .container{width:min(1160px,calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(247,248,246,.94);border-bottom:1px solid rgba(220,227,229,.9);backdrop-filter:blur(14px)}
    .header-inner{min-height:74px;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:0;color:var(--ink);white-space:nowrap}
    .brand-mark{width:35px;height:35px;display:grid;place-items:center;border-radius:10px;background:var(--mint);color:#fff;font-size:12px;letter-spacing:.06em}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:4px}
    .nav-links a{padding:8px 11px;border-radius:8px;color:#45545c;font-size:14px;font-weight:650;transition:background .2s,color .2s,transform .2s}
    .nav-links a:hover,.nav-links a.active{background:#e1f0ec;color:var(--mint-dark)}
    .nav-links .nav-action{margin-left:7px;background:var(--mint);color:#fff;padding-inline:15px}
    .nav-links .nav-action:hover{background:var(--mint-dark);color:#fff;transform:translateY(-1px)}
    .menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-size:20px}
    .article-hero{position:relative;overflow:hidden;padding:78px 0 70px;background:linear-gradient(100deg,rgba(12,39,41,.91),rgba(18,61,58,.75)),url("/assets/images/backpic/back-2.webp") center/cover}
    .article-hero:after{content:"";position:absolute;right:7%;bottom:-90px;width:300px;height:300px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .crumbs,.article-meta{position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:10px;color:rgba(255,255,255,.7);font-size:14px}
    .crumbs a:hover{color:#fff}
    .crumbs span{opacity:.65}
    .article-hero h1{position:relative;z-index:1;max-width:890px;margin:16px 0 18px;color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.22;letter-spacing:0;font-weight:800}
    .article-intro{position:relative;z-index:1;max-width:760px;margin:0;color:rgba(255,255,255,.84);font-size:17px}
    .article-meta{margin-top:26px}
    .meta-tag{display:inline-flex;padding:3px 11px;border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#fff;background:rgba(255,255,255,.09)}
    main{padding:58px 0 0}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
    .article-content{padding:clamp(24px,4vw,48px);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-soft)}
    .article-content>*:first-child{margin-top:0}
    .article-content h2{margin:42px 0 16px;color:var(--night);font-size:27px;line-height:1.35}
    .article-content h3{margin:30px 0 12px;font-size:21px;line-height:1.4}
    .article-content p{margin:0 0 20px;color:#34434d}
    .article-content a{color:var(--mint-dark);font-weight:700;border-bottom:1px solid rgba(22,131,114,.35)}
    .article-content ul,.article-content ol{padding-left:25px;margin:0 0 24px;color:#34434d}
    .article-content li{margin:8px 0;padding-left:4px}
    .article-content img{margin:30px 0;border-radius:10px;box-shadow:var(--shadow-soft)}
    .article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--coral);border-radius:0 10px 10px 0;background:#fff5f2;color:#465159}
    .empty-state{text-align:center;padding:38px 10px}
    .empty-state h2{margin:0 0 8px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:9px;background:var(--mint);color:#fff;font-weight:750;line-height:1.25;transition:transform .2s,background .2s,box-shadow .2s}
    .button:hover{background:var(--mint-dark);transform:translateY(-2px);box-shadow:0 8px 17px rgba(13,93,82,.22)}
    .article-aside{position:sticky;top:100px}
    .aside-card{margin-bottom:18px;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
    .aside-card h2{margin:0 0 14px;font-size:18px;line-height:1.35}
    .aside-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .category-link{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;padding:11px 0;border-bottom:1px solid #e8eded;color:#33434a;font-size:14px;font-weight:700;transition:color .2s,padding .2s}
    .category-link:last-child{border-bottom:0}
    .category-link:hover{color:var(--mint-dark);padding-left:5px}
    .notice{background:var(--sand);border-color:#e7d8c3}
    .notice strong{display:block;margin-bottom:6px;color:#5b4632;font-size:15px}
    .related-section{padding:72px 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}
    .section-heading h2{margin:0;font-size:30px;line-height:1.25}
    .section-heading p{max-width:510px;margin:0;color:var(--muted)}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .related-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft);transition:transform .22s,box-shadow .22s}
    .related-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .related-card img{width:100%;height:175px;object-fit:cover}
    .related-card-body{padding:20px}
    .badge{display:inline-flex;padding:3px 9px;border-radius:999px;background:#e1f0ec;color:var(--mint-dark);font-size:12px;font-weight:800}
    .related-card h3{margin:11px 0 8px;font-size:19px;line-height:1.4}
    .related-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .read-link{display:inline-block;margin-top:15px;color:var(--mint-dark);font-size:14px;font-weight:800}
    .faq-section{padding:70px 0;background:#eaf2ef}
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .faq-item{padding:20px 22px;border:1px solid rgba(22,131,114,.16);border-radius:var(--radius);background:#fff}
    .faq-item h3{margin:0 0 8px;font-size:17px;line-height:1.45}
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .cta{padding:64px 0;background:var(--night);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta h2{margin:0 0 8px;font-size:31px;line-height:1.25}
    .cta p{max-width:660px;margin:0;color:rgba(255,255,255,.72)}
    .cta .button{flex:0 0 auto;background:var(--coral)}
    .cta .button:hover{background:#d75345}
    .site-footer{padding:56px 0 20px;background:#0d2024;color:#d8e2e1}
    .footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:35px}
    .footer-brand{color:#fff}
    .footer-brand .brand-mark{background:var(--coral)}
    .footer-note{max-width:410px;margin:15px 0 0;color:#aebfbe;font-size:14px;line-height:1.8}
    .footer-col h3{margin:0 0 13px;color:#fff;font-size:15px}
    .footer-col a{display:block;margin:8px 0;color:#aec0bf;font-size:14px;transition:color .2s}
    .footer-col a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:42px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);color:#91a5a4;font-size:13px}
    @media(max-width:1024px){
      .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:26px}
      .footer-grid{grid-template-columns:1.6fr repeat(3,1fr);gap:22px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,1160px)}
      .header-inner{min-height:65px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:65px;left:0;right:0;padding:12px 16px 16px;border-bottom:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow-soft);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px}
      .nav-links .nav-action{margin:4px 0 0;text-align:center}
      .article-hero{padding:54px 0}
      .article-layout{grid-template-columns:1fr}
      .article-aside{position:static;display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
      .aside-card{margin:0}
      .related-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .brand{font-size:16px}
      .article-hero h1{font-size:30px}
      main{padding-top:34px}
      .article-content{padding:22px 18px}
      .article-content h2{font-size:24px;margin-top:32px}
      .article-aside,.related-grid,.faq-grid{grid-template-columns:1fr}
      .related-section,.faq-section{padding:48px 0}
      .section-heading{display:block}
      .section-heading h2{font-size:26px;margin-bottom:10px}
      .cta{padding:48px 0}
      .cta h2{font-size:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .copyright{flex-direction:column;gap:5px}
    }

/* roulang page: category1 */
:root {
      --bg: #0b0f19;
      --bg-soft: #111827;
      --surface: rgba(255, 255, 255, .08);
      --surface-strong: rgba(255, 255, 255, .13);
      --card: #ffffff;
      --card-soft: #f7f5ff;
      --text: #101522;
      --text-inverse: #f9fbff;
      --muted: #6b7280;
      --muted-inverse: rgba(255, 255, 255, .72);
      --primary: #7c3aed;
      --primary-dark: #5b21b6;
      --primary-soft: #ede9fe;
      --accent: #f97316;
      --accent-soft: #fff3e8;
      --cyan: #06b6d4;
      --border: rgba(17, 24, 39, .12);
      --border-light: rgba(255, 255, 255, .16);
      --shadow-sm: 0 10px 30px rgba(15, 23, 42, .10);
      --shadow-md: 0 20px 55px rgba(15, 23, 42, .16);
      --shadow-glow: 0 24px 80px rgba(124, 58, 237, .28);
      --radius-sm: 12px;
      --radius-md: 20px;
      --radius-lg: 30px;
      --radius-xl: 42px;
      --container: 1180px;
      --header-h: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    }

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

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

    body {
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(124, 58, 237, .15), transparent 32%),
        radial-gradient(circle at 88% 18%, rgba(6, 182, 212, .12), transparent 28%),
        linear-gradient(180deg, #fff 0%, #f7f7fb 52%, #ffffff 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(249, 115, 22, .45);
      outline-offset: 4px;
      border-radius: 10px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--header-h);
      background: rgba(11, 15, 25, .82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-light);
    }

    .header-inner {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text-inverse);
      font-weight: 900;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 15px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      font-size: 15px;
      box-shadow: 0 12px 34px rgba(124, 58, 237, .36);
    }

    .brand span:last-child {
      font-size: 18px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      color: var(--muted-inverse);
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 14px;
      transition: background .25s ease, color .25s ease, transform .25s ease;
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, .10);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #fff;
      background: rgba(124, 58, 237, .38);
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
    }

    .nav-links .nav-action {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 12px 30px rgba(124, 58, 237, .30);
      margin-left: 4px;
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: #fff;
      background: rgba(255, 255, 255, .10);
      border: 1px solid var(--border-light);
      align-items: center;
      justify-content: center;
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      width: 20px;
      height: 2px;
      display: block;
      background: #fff;
      border-radius: 99px;
      transition: transform .25s ease, opacity .25s ease;
    }

    .nav-toggle span::before {
      transform: translateY(-7px);
    }

    .nav-toggle span::after {
      transform: translateY(5px);
    }

    .nav-open .nav-toggle span {
      transform: rotate(45deg);
    }

    .nav-open .nav-toggle span::before {
      transform: translateY(0) rotate(90deg);
    }

    .nav-open .nav-toggle span::after {
      opacity: 0;
    }

    .hero-category {
      position: relative;
      color: var(--text-inverse);
      background:
        linear-gradient(110deg, rgba(11, 15, 25, .92), rgba(42, 24, 78, .78) 52%, rgba(11, 15, 25, .86)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      padding: 92px 0 76px;
      overflow: hidden;
    }

    .hero-category::after {
      content: "";
      position: absolute;
      inset: auto -10% -35% 35%;
      height: 320px;
      background: radial-gradient(circle, rgba(249, 115, 22, .30), transparent 65%);
      pointer-events: none;
    }

    .hero-wrap {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(330px, .72fr);
      gap: 44px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 8px 13px;
      border: 1px solid var(--border-light);
      border-radius: 999px;
      background: rgba(255, 255, 255, .09);
      color: rgba(255, 255, 255, .86);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 6px rgba(249, 115, 22, .15);
    }

    h1 {
      max-width: 860px;
      font-size: clamp(36px, 6vw, 68px);
      line-height: 1.06;
      letter-spacing: -.055em;
      margin-bottom: 22px;
    }

    .hero-lead {
      max-width: 780px;
      color: var(--muted-inverse);
      font-size: 18px;
      line-height: 1.9;
      margin-bottom: 30px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 13px 20px;
      border-radius: 999px;
      font-weight: 800;
      transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 16px 36px rgba(124, 58, 237, .32);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 22px 46px rgba(124, 58, 237, .42);
    }

    .btn-ghost {
      color: #fff;
      background: rgba(255, 255, 255, .10);
      border: 1px solid var(--border-light);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      background: rgba(255, 255, 255, .16);
    }

    .hero-panel {
      border-radius: var(--radius-xl);
      padding: 18px;
      background: rgba(255, 255, 255, .10);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-glow);
      backdrop-filter: blur(14px);
    }

    .hero-image {
      position: relative;
      overflow: hidden;
      border-radius: 32px;
      min-height: 390px;
      background: #151827;
    }

    .hero-image img {
      width: 100%;
      height: 390px;
      object-fit: cover;
      filter: saturate(1.04) contrast(1.02);
    }

    .hero-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 35%, rgba(11, 15, 25, .78));
    }

    .quality-strip {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      z-index: 2;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }

    .quality-item {
      padding: 14px 12px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .18);
      color: #fff;
      backdrop-filter: blur(10px);
    }

    .quality-item strong {
      display: block;
      font-size: 18px;
      line-height: 1.1;
    }

    .quality-item span {
      display: block;
      margin-top: 5px;
      color: rgba(255, 255, 255, .72);
      font-size: 12px;
    }

    main {
      position: relative;
    }

    .section {
      padding: 84px 0;
    }

    .section-tight {
      padding: 64px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--primary);
      font-weight: 900;
      font-size: 14px;
      letter-spacing: .06em;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -.04em;
      margin-bottom: 10px;
    }

    .section-desc {
      max-width: 720px;
      color: var(--muted);
      font-size: 16px;
    }

    .pill-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 13px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 13px;
    }

    .pill.orange {
      background: var(--accent-soft);
      color: #9a3412;
    }

    .pill.dark {
      background: #111827;
      color: #fff;
    }

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

    .feature-card {
      position: relative;
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--card);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      width: 120px;
      height: 120px;
      right: -46px;
      top: -46px;
      background: radial-gradient(circle, rgba(124, 58, 237, .18), transparent 68%);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(124, 58, 237, .24);
    }

    .icon-box {
      width: 50px;
      height: 50px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      background: linear-gradient(135deg, var(--primary-soft), #fff);
      color: var(--primary-dark);
      font-weight: 900;
      margin-bottom: 20px;
      box-shadow: inset 0 0 0 1px rgba(124, 58, 237, .12);
    }

    .feature-card h3 {
      font-size: 21px;
      letter-spacing: -.02em;
      margin-bottom: 10px;
    }

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

    .visual-band {
      background: #0b0f19;
      color: var(--text-inverse);
      overflow: hidden;
    }

    .split {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 44px;
      align-items: center;
    }

    .image-card {
      position: relative;
      border-radius: var(--radius-xl);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: 0 26px 70px rgba(0, 0, 0, .34);
    }

    .image-card img {
      width: 100%;
      height: 500px;
      object-fit: cover;
    }

    .image-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 15, 25, .05), rgba(11, 15, 25, .64));
    }

    .floating-note {
      position: absolute;
      z-index: 2;
      left: 22px;
      right: 22px;
      bottom: 22px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(14px);
    }

    .floating-note strong {
      display: block;
      margin-bottom: 5px;
    }

    .floating-note span {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .check-item {
      display: grid;
      grid-template-columns: 32px 1fr;
      gap: 12px;
      align-items: start;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .check-icon {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(249, 115, 22, .18);
      color: #fed7aa;
      font-weight: 900;
    }

    .check-item h3 {
      font-size: 17px;
      margin-bottom: 3px;
    }

    .check-item p {
      color: var(--muted-inverse);
      font-size: 14px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scenario-card {
      min-height: 210px;
      padding: 24px;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, .98)),
        var(--card);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .scenario-card .num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 14px;
      color: #fff;
      background: #111827;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .scenario-card h3 {
      font-size: 19px;
      margin-bottom: 9px;
    }

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

    .process-wrap {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .process-card {
      position: relative;
      padding: 26px;
      border-radius: var(--radius-lg);
      background: var(--card-soft);
      border: 1px solid rgba(124, 58, 237, .14);
    }

    .process-card::after {
      content: "";
      position: absolute;
      top: 44px;
      right: -18px;
      width: 18px;
      height: 2px;
      background: rgba(124, 58, 237, .22);
    }

    .process-card:last-child::after {
      display: none;
    }

    .process-step {
      color: var(--primary);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 12px;
    }

    .process-card h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

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

    .latest-panel {
      display: grid;
      grid-template-columns: 1fr .85fr;
      gap: 22px;
      align-items: stretch;
    }

    .update-card {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: #111827;
      color: #fff;
      box-shadow: var(--shadow-md);
      overflow: hidden;
      position: relative;
    }

    .update-card::before {
      content: "";
      position: absolute;
      inset: -40% -30% auto auto;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(124, 58, 237, .32);
      filter: blur(10px);
    }

    .update-card > * {
      position: relative;
      z-index: 2;
    }

    .update-card h3 {
      font-size: 28px;
      line-height: 1.25;
      margin-bottom: 14px;
    }

    .update-card p {
      color: var(--muted-inverse);
      margin-bottom: 22px;
    }

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

    .mini-list li {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 0;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .86);
    }

    .mini-list span {
      color: rgba(255, 255, 255, .58);
      font-size: 13px;
      white-space: nowrap;
    }

    .notice-card {
      padding: 30px;
      border-radius: var(--radius-xl);
      background: var(--card);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .notice-card img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      border-radius: 24px;
      margin-bottom: 20px;
    }

    .notice-card h3 {
      font-size: 23px;
      margin-bottom: 10px;
    }

    .notice-card p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .notice-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .notice-tags span {
      padding: 7px 10px;
      border-radius: 999px;
      background: #f3f4f6;
      color: #4b5563;
      font-size: 12px;
      font-weight: 800;
    }

    .faq-section {
      background:
        radial-gradient(circle at 12% 20%, rgba(124, 58, 237, .12), transparent 30%),
        #f7f7fb;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 34px;
      align-items: start;
    }

    .faq-aside {
      position: sticky;
      top: 100px;
      padding: 28px;
      border-radius: var(--radius-xl);
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .faq-aside h2 {
      font-size: 32px;
      line-height: 1.18;
      letter-spacing: -.035em;
      margin-bottom: 14px;
    }

    .faq-aside p {
      color: var(--muted);
      margin-bottom: 18px;
    }

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

    .faq-item {
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--border);
      box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 900;
    }

    .faq-question::after {
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      color: var(--primary);
      background: var(--primary-soft);
      transition: transform .25s ease;
    }

    .faq-item.active .faq-question::after {
      content: "−";
      transform: rotate(180deg);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .cta {
      padding: 76px 0;
      background: #fff;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 44px;
      border-radius: var(--radius-xl);
      color: #fff;
      background:
        linear-gradient(135deg, rgba(124, 58, 237, .94), rgba(17, 24, 39, .96) 58%, rgba(249, 115, 22, .88)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      box-shadow: var(--shadow-glow);
    }

    .cta-box::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -80px;
      bottom: -120px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .16);
    }

    .cta-box h2 {
      position: relative;
      z-index: 2;
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.18;
      letter-spacing: -.04em;
      margin-bottom: 10px;
    }

    .cta-box p,
    .cta-actions {
      position: relative;
      z-index: 2;
    }

    .cta-box p {
      color: rgba(255, 255, 255, .78);
      max-width: 710px;
    }

    .site-footer {
      padding: 58px 0 26px;
      background: #0b0f19;
      color: #fff;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.45fr repeat(3, 1fr);
      gap: 32px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .footer-note {
      max-width: 430px;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    .footer-col h3 {
      font-size: 15px;
      margin-bottom: 14px;
      color: rgba(255, 255, 255, .88);
    }

    .footer-col a {
      display: block;
      width: fit-content;
      color: rgba(255, 255, 255, .58);
      font-size: 14px;
      margin: 9px 0;
      transition: color .25s ease, transform .25s ease;
    }

    .footer-col a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      color: rgba(255, 255, 255, .48);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-wrap,
      .split,
      .latest-panel,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 680px;
      }

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

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

      .process-card::after {
        display: none;
      }

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

      .faq-aside {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        min-height: 68px;
      }

      .header-inner {
        min-height: 68px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 24px;
        background: rgba(11, 15, 25, .96);
        border: 1px solid var(--border-light);
        box-shadow: 0 28px 70px rgba(0, 0, 0, .30);
      }

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

      .nav-links a {
        padding: 13px 15px;
      }

      .nav-links .nav-action {
        margin-left: 0;
        text-align: center;
      }

      .hero-category {
        padding: 68px 0 54px;
      }

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

      .section,
      .section-tight {
        padding: 58px 0;
      }

      .section-head {
        display: block;
      }

      .pill-row {
        margin-top: 18px;
      }

      .feature-grid,
      .scenario-grid,
      .process-wrap {
        grid-template-columns: 1fr;
      }

      .image-card img {
        height: 360px;
      }

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

      .hero-image,
      .hero-image img {
        min-height: 420px;
        height: 420px;
      }

      .cta-box {
        grid-template-columns: 1fr;
        padding: 32px 24px;
      }

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

    @media (max-width: 520px) {
      .brand span:last-child {
        font-size: 16px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

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

      .btn {
        width: 100%;
      }

      .feature-card,
      .notice-card,
      .update-card,
      .faq-aside {
        padding: 22px;
        border-radius: 24px;
      }

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

      .hero-image,
      .hero-image img {
        min-height: 460px;
        height: 460px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #f7f4ef;
      --bg-soft: #fffaf2;
      --surface: #ffffff;
      --surface-strong: #141414;
      --text: #1c1b19;
      --muted: #6c6760;
      --light: #f1ece4;
      --line: rgba(28, 27, 25, 0.12);
      --primary: #b23a48;
      --primary-dark: #842736;
      --primary-soft: #fde7e8;
      --accent: #227c70;
      --accent-soft: #e2f3ef;
      --gold: #c18a2d;
      --radius-sm: 10px;
      --radius: 18px;
      --radius-lg: 28px;
      --shadow: 0 18px 50px rgba(42, 32, 22, 0.12);
      --shadow-soft: 0 10px 28px rgba(42, 32, 22, 0.08);
      --container: 1180px;
      --header-h: 76px;
      --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      min-height: 100vh;
      font-family: var(--font);
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 8% 0%, rgba(178, 58, 72, 0.12), transparent 30%),
        linear-gradient(180deg, #fbf6ee 0%, var(--bg) 42%, #f4efe7 100%);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    :focus-visible {
      outline: 3px solid rgba(34, 124, 112, .35);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      min-height: var(--header-h);
      border-bottom: 1px solid rgba(28, 27, 25, .08);
      background: rgba(255, 250, 242, .88);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      color: #fff;
      font-size: 14px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      box-shadow: 0 10px 22px rgba(178, 58, 72, .22);
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px;
      border: 1px solid rgba(28, 27, 25, .08);
      border-radius: 999px;
      background: rgba(255, 255, 255, .72);
      box-shadow: 0 8px 24px rgba(42, 32, 22, .06);
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 0 15px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #fff;
      background: var(--surface-strong);
    }

    .nav-links .nav-action {
      color: #fff;
      background: var(--primary);
    }

    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      color: var(--text);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      margin: auto;
      border-radius: 99px;
      background: currentColor;
      content: "";
      transition: transform .2s ease, opacity .2s ease;
    }

    .nav-toggle span::before {
      transform: translateY(-7px);
    }

    .nav-toggle span::after {
      transform: translateY(5px);
    }

    .page-hero {
      position: relative;
      padding: 88px 0 72px;
      isolation: isolate;
    }

    .page-hero::before {
      position: absolute;
      inset: 0;
      z-index: -2;
      content: "";
      background:
        linear-gradient(90deg, rgba(20, 20, 20, .78), rgba(20, 20, 20, .46), rgba(20, 20, 20, .2)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
    }

    .page-hero::after {
      position: absolute;
      inset: auto 0 0;
      height: 120px;
      z-index: -1;
      content: "";
      background: linear-gradient(180deg, transparent, var(--bg));
    }

    .hero-panel {
      width: min(760px, 100%);
      color: #fff;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      margin-bottom: 18px;
      padding: 8px 13px;
      border-radius: 999px;
      color: #ffe9e8;
      font-size: 13px;
      font-weight: 800;
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(10px);
    }

    .eyebrow::before {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      content: "";
      background: #68d7c8;
      box-shadow: 0 0 0 6px rgba(104, 215, 200, .16);
    }

    h1 {
      max-width: 720px;
      font-size: clamp(36px, 6vw, 68px);
      line-height: 1.05;
      letter-spacing: 0;
      font-weight: 900;
    }

    .hero-lead {
      max-width: 680px;
      margin-top: 24px;
      color: rgba(255, 255, 255, .86);
      font-size: 18px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 32px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      border: 1px solid transparent;
      box-shadow: 0 10px 24px rgba(24, 20, 18, .12);
    }

    .btn-primary {
      color: #fff;
      background: var(--primary);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    .btn-light {
      color: #fff;
      border-color: rgba(255, 255, 255, .36);
      background: rgba(255, 255, 255, .14);
      backdrop-filter: blur(12px);
    }

    .btn-light:hover {
      background: rgba(255, 255, 255, .24);
      transform: translateY(-2px);
    }

    .hero-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 44px;
      max-width: 780px;
    }

    .strip-item {
      padding: 18px;
      border-radius: var(--radius);
      color: #fff;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .18);
      backdrop-filter: blur(14px);
    }

    .strip-item strong {
      display: block;
      font-size: 22px;
      line-height: 1.2;
    }

    .strip-item span {
      display: block;
      margin-top: 6px;
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
    }

    main {
      display: block;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .section-head {
      max-width: 780px;
      margin-bottom: 32px;
    }

    .section-kicker {
      display: inline-flex;
      margin-bottom: 12px;
      padding: 6px 12px;
      border-radius: 999px;
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 900;
      background: var(--primary-soft);
    }

    .section-title {
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: 0;
      font-weight: 900;
    }

    .section-desc {
      margin-top: 14px;
      color: var(--muted);
      font-size: 16px;
    }

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

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

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

    .card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .88);
      border: 1px solid rgba(28, 27, 25, .09);
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(178, 58, 72, .22);
      box-shadow: var(--shadow);
    }

    .feature-card {
      padding: 28px;
    }

    .icon-badge {
      width: 48px;
      height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      border-radius: 16px;
      color: var(--primary-dark);
      font-size: 22px;
      font-weight: 900;
      background: var(--primary-soft);
    }

    .feature-card:nth-child(2) .icon-badge {
      color: #0f6158;
      background: var(--accent-soft);
    }

    .feature-card:nth-child(3) .icon-badge {
      color: #8b5d14;
      background: #fff1d2;
    }

    .card h3 {
      font-size: 20px;
      line-height: 1.35;
      font-weight: 900;
    }

    .card p {
      margin-top: 10px;
      color: var(--muted);
      font-size: 15px;
    }

    .media-block {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 34px;
      align-items: center;
      padding: 28px;
      border-radius: var(--radius-lg);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .media-frame {
      position: relative;
      overflow: hidden;
      min-height: 420px;
      border-radius: 24px;
      background: #151515;
    }

    .media-frame img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
      opacity: .92;
    }

    .media-label {
      position: absolute;
      left: 18px;
      bottom: 18px;
      right: 18px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      color: #fff;
      background: rgba(20, 20, 20, .64);
      border: 1px solid rgba(255, 255, 255, .14);
      backdrop-filter: blur(12px);
    }

    .content-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .list-item {
      display: grid;
      grid-template-columns: 34px 1fr;
      gap: 14px;
      padding: 17px;
      border-radius: 16px;
      background: var(--bg-soft);
      border: 1px solid rgba(28, 27, 25, .08);
    }

    .list-num {
      width: 34px;
      height: 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      font-size: 13px;
      font-weight: 900;
      background: var(--accent);
    }

    .list-item strong {
      display: block;
      margin-bottom: 3px;
      font-size: 16px;
    }

    .list-item span {
      color: var(--muted);
      font-size: 14px;
    }

    .privacy-band {
      background:
        linear-gradient(135deg, rgba(34, 124, 112, .95), rgba(20, 20, 20, .95)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color: #fff;
    }

    .privacy-band .section-desc,
    .privacy-band .card p {
      color: rgba(255, 255, 255, .76);
    }

    .privacy-band .section-kicker {
      color: #e9fff9;
      background: rgba(255, 255, 255, .14);
    }

    .privacy-card {
      padding: 26px;
      background: rgba(255, 255, 255, .1);
      border-color: rgba(255, 255, 255, .14);
      box-shadow: none;
    }

    .privacy-card:hover {
      border-color: rgba(255, 255, 255, .32);
      box-shadow: 0 22px 48px rgba(0, 0, 0, .18);
    }

    .privacy-card h3 {
      color: #fff;
    }

    .privacy-tag {
      display: inline-flex;
      margin-bottom: 14px;
      padding: 6px 11px;
      border-radius: 999px;
      color: #102a27;
      font-size: 12px;
      font-weight: 900;
      background: #a8eadf;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 16px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 18px;
      padding: 22px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .step::before {
      content: counter(step);
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      color: #fff;
      font-weight: 900;
      background: var(--primary);
    }

    .step h3 {
      font-size: 18px;
      line-height: 1.35;
    }

    .step p {
      margin-top: 6px;
      color: var(--muted);
      font-size: 15px;
    }

    .latest-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .highlight-card {
      min-height: 360px;
      display: flex;
      align-items: end;
      padding: 28px;
      color: #fff;
      background:
        linear-gradient(180deg, rgba(20, 20, 20, .08), rgba(20, 20, 20, .82)),
        url("/assets/images/coverpic/cover-6.webp") center/cover no-repeat;
    }

    .highlight-card h3 {
      max-width: 560px;
      font-size: clamp(24px, 3vw, 36px);
      line-height: 1.18;
    }

    .highlight-card p {
      max-width: 620px;
      color: rgba(255, 255, 255, .78);
    }

    .mini-stack {
      display: grid;
      gap: 18px;
    }

    .mini-card {
      display: grid;
      grid-template-columns: 132px 1fr;
      gap: 18px;
      padding: 14px;
      align-items: center;
    }

    .mini-card img {
      width: 132px;
      height: 108px;
      object-fit: cover;
      border-radius: 14px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      padding: 5px 10px;
      border-radius: 999px;
      color: var(--accent);
      font-size: 12px;
      font-weight: 900;
      background: var(--accent-soft);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 34px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 20px 22px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

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

    .faq-item summary::after {
      content: "+";
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: #fff;
      background: var(--surface-strong);
      transition: transform .2s ease, background .2s ease;
    }

    .faq-item[open] summary::after {
      content: "-";
      background: var(--primary);
    }

    .faq-item p {
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
    }

    .cta {
      padding: 54px;
      border-radius: var(--radius-lg);
      color: #fff;
      background:
        linear-gradient(135deg, rgba(178, 58, 72, .96), rgba(20, 20, 20, .96)),
        url("/assets/images/coverpic/cover-8.webp") center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .cta h2 {
      max-width: 660px;
      font-size: clamp(28px, 4vw, 44px);
      line-height: 1.15;
    }

    .cta p {
      max-width: 700px;
      margin-top: 14px;
      color: rgba(255, 255, 255, .78);
    }

    .site-footer {
      padding: 64px 0 30px;
      color: rgba(255, 255, 255, .82);
      background: #141414;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr .7fr .8fr .7fr;
      gap: 36px;
    }

    .footer-brand {
      color: #fff;
      font-size: 18px;
    }

    .footer-note {
      max-width: 430px;
      margin-top: 18px;
      color: rgba(255, 255, 255, .64);
      font-size: 14px;
    }

    .footer-col h3 {
      margin-bottom: 14px;
      color: #fff;
      font-size: 15px;
    }

    .footer-col a {
      display: block;
      width: fit-content;
      margin: 9px 0;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    .footer-col a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 42px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: rgba(255, 255, 255, .52);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(var(--header-h) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255, 250, 242, .98);
      }

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

      .nav-links a {
        justify-content: flex-start;
        min-height: 44px;
      }

      .grid-3,
      .grid-2,
      .media-block,
      .latest-grid,
      .faq-wrap,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

      .cta-inner {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .page-hero {
        padding: 66px 0 54px;
      }

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

      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

      .media-block {
        padding: 18px;
      }

      .mini-card {
        grid-template-columns: 108px 1fr;
      }

      .mini-card img {
        width: 108px;
        height: 96px;
      }

      .cta {
        padding: 34px 24px;
      }

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        max-width: 190px;
        white-space: normal;
        line-height: 1.2;
      }

      h1 {
        font-size: 34px;
      }

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

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

      .media-label {
        flex-direction: column;
      }

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

      .mini-card {
        grid-template-columns: 1fr;
      }

      .mini-card img {
        width: 100%;
        height: 180px;
      }
    }

/* roulang page: category3 */
:root {
      --bg: #0b0e17;
      --bg-soft: #111827;
      --surface: rgba(255,255,255,.08);
      --surface-strong: rgba(255,255,255,.12);
      --card: #ffffff;
      --text: #f8fafc;
      --text-dark: #111827;
      --muted: #94a3b8;
      --muted-dark: #64748b;
      --line: rgba(148,163,184,.22);
      --line-dark: #e2e8f0;
      --primary: #ff4d8d;
      --primary-2: #8b5cf6;
      --secondary: #22d3ee;
      --warning: #f59e0b;
      --success: #10b981;
      --radius-sm: 12px;
      --radius: 20px;
      --radius-lg: 32px;
      --shadow: 0 24px 70px rgba(15,23,42,.18);
      --shadow-soft: 0 18px 45px rgba(15,23,42,.12);
      --container: 1160px;
      --nav-h: 76px;
      --ease: cubic-bezier(.2,.8,.2,1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--text-dark);
      background:
        radial-gradient(circle at 12% 6%, rgba(255,77,141,.18), transparent 34%),
        radial-gradient(circle at 90% 18%, rgba(34,211,238,.12), transparent 30%),
        #f8fafc;
      line-height: 1.75;
      overflow-x: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

    ::selection {
      background: rgba(255,77,141,.25);
      color: #111827;
    }

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

    .skip-link {
      position: absolute;
      left: 16px;
      top: -80px;
      z-index: 999;
      padding: 10px 14px;
      border-radius: 999px;
      background: #fff;
      color: #111827;
      box-shadow: var(--shadow-soft);
      transition: top .2s var(--ease);
    }

    .skip-link:focus {
      top: 16px;
      outline: 3px solid rgba(34,211,238,.45);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      min-height: var(--nav-h);
      background: rgba(11,14,23,.82);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255,255,255,.10);
    }

    .header-inner {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 900;
      letter-spacing: -.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      color: #fff;
      font-size: 15px;
      box-shadow: 0 14px 28px rgba(255,77,141,.28);
    }

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 8px 14px;
      border-radius: 999px;
      color: rgba(255,255,255,.78);
      font-size: 14px;
      font-weight: 700;
      transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255,255,255,.10);
      transform: translateY(-1px);
    }

    .nav-links a:focus-visible,
    .menu-toggle:focus-visible,
    .btn:focus-visible,
    .guide-search input:focus-visible {
      outline: 3px solid rgba(34,211,238,.5);
      outline-offset: 3px;
    }

    .nav-links a.active {
      color: #fff;
      background: rgba(255,255,255,.14);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    }

    .nav-links a.nav-action {
      margin-left: 4px;
      color: #0b0e17;
      background: #fff;
    }

    .nav-links a.nav-action:hover {
      background: linear-gradient(135deg, #fff, #ffe5ef);
      color: #111827;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(255,255,255,.10);
      color: #fff;
      align-items: center;
      justify-content: center;
      transition: background .2s var(--ease), transform .2s var(--ease);
    }

    .menu-toggle:hover {
      background: rgba(255,255,255,.16);
      transform: translateY(-1px);
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 99px;
      background: #fff;
      content: "";
      transition: transform .2s var(--ease), opacity .2s var(--ease);
    }

    .menu-toggle span::before {
      transform: translateY(-7px);
    }

    .menu-toggle span::after {
      transform: translateY(5px);
    }

    .menu-toggle.is-open span {
      transform: rotate(45deg);
    }

    .menu-toggle.is-open span::before {
      transform: translateY(0) rotate(90deg);
    }

    .menu-toggle.is-open span::after {
      opacity: 0;
    }

    .hero {
      position: relative;
      isolation: isolate;
      color: #fff;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(11,14,23,.90), rgba(17,24,39,.62)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto -12% -34% -12%;
      height: 220px;
      background: #f8fafc;
      border-radius: 50% 50% 0 0;
      z-index: -1;
    }

    .hero-inner {
      min-height: 560px;
      display: grid;
      grid-template-columns: 1.02fr .98fr;
      align-items: center;
      gap: 56px;
      padding: 78px 0 118px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 13px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      color: rgba(255,255,255,.88);
      font-size: 13px;
      font-weight: 800;
      backdrop-filter: blur(12px);
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 6px rgba(16,185,129,.16);
    }

    .hero h1 {
      margin-top: 22px;
      max-width: 780px;
      font-size: clamp(38px, 6vw, 72px);
      line-height: 1.05;
      letter-spacing: -.055em;
      font-weight: 950;
    }

    .hero-lead {
      margin-top: 22px;
      max-width: 700px;
      color: rgba(255,255,255,.78);
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 850;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      box-shadow: 0 18px 36px rgba(139,92,246,.26);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 24px 48px rgba(139,92,246,.34);
    }

    .btn-light {
      color: #111827;
      background: #fff;
      box-shadow: 0 18px 36px rgba(15,23,42,.12);
    }

    .btn-light:hover {
      transform: translateY(-2px);
      background: #f8fafc;
    }

    .btn-ghost {
      color: #fff;
      border: 1px solid rgba(255,255,255,.20);
      background: rgba(255,255,255,.08);
    }

    .btn-ghost:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,.14);
    }

    .hero-panel {
      position: relative;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.14);
      box-shadow: 0 30px 90px rgba(0,0,0,.32);
      backdrop-filter: blur(18px);
    }

    .hero-panel img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 24px;
      filter: saturate(1.05) contrast(1.02);
    }

    .panel-card {
      position: absolute;
      left: -28px;
      bottom: 34px;
      width: min(280px, 72%);
      padding: 18px;
      border-radius: 22px;
      background: rgba(255,255,255,.94);
      color: #111827;
      box-shadow: var(--shadow);
    }

    .panel-card strong {
      display: block;
      font-size: 18px;
      line-height: 1.35;
    }

    .panel-card span {
      display: block;
      margin-top: 8px;
      color: var(--muted-dark);
      font-size: 13px;
      line-height: 1.65;
    }

    .quick-strip {
      position: relative;
      z-index: 2;
      margin-top: -72px;
    }

    .strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      padding: 18px;
      border-radius: 28px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(226,232,240,.78);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(14px);
    }

    .strip-item {
      padding: 18px;
      border-radius: 20px;
      background: linear-gradient(180deg, #fff, #f8fafc);
      border: 1px solid var(--line-dark);
      transition: transform .2s var(--ease), box-shadow .2s var(--ease);
    }

    .strip-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 16px 36px rgba(15,23,42,.10);
    }

    .strip-item b {
      display: block;
      color: #111827;
      font-size: 22px;
      line-height: 1.2;
    }

    .strip-item span {
      display: block;
      margin-top: 8px;
      color: var(--muted-dark);
      font-size: 13px;
    }

    main {
      display: block;
    }

    .section {
      padding: 92px 0;
    }

    .section-tight {
      padding: 72px 0;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      color: var(--primary);
      font-weight: 900;
      font-size: 13px;
      letter-spacing: .08em;
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    .section-title {
      color: #111827;
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.16;
      letter-spacing: -.035em;
      font-weight: 950;
    }

    .section-desc {
      margin-top: 16px;
      color: var(--muted-dark);
      font-size: 16px;
      max-width: 760px;
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line-dark);
      color: #334155;
      font-size: 13px;
      font-weight: 800;
      box-shadow: 0 10px 24px rgba(15,23,42,.05);
    }

    .badge.hot {
      color: #9f1239;
      background: #fff1f2;
      border-color: #ffe4e6;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .card {
      position: relative;
      padding: 26px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: 0 18px 44px rgba(15,23,42,.07);
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
      overflow: hidden;
    }

    .card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--primary-2), var(--secondary));
      opacity: .75;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-soft);
      border-color: rgba(255,77,141,.22);
    }

    .icon {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      font-weight: 950;
      box-shadow: 0 16px 28px rgba(255,77,141,.20);
    }

    .card h3 {
      margin-top: 18px;
      font-size: 21px;
      line-height: 1.35;
      letter-spacing: -.02em;
    }

    .card p {
      margin-top: 10px;
      color: var(--muted-dark);
      font-size: 15px;
    }

    .media-block {
      align-items: center;
    }

    .image-card {
      position: relative;
      border-radius: 32px;
      overflow: hidden;
      min-height: 420px;
      background: #111827;
      box-shadow: var(--shadow);
    }

    .image-card img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
    }

    .image-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(11,14,23,.74));
    }

    .image-caption {
      position: absolute;
      left: 24px;
      right: 24px;
      bottom: 24px;
      z-index: 2;
      padding: 18px;
      border-radius: 20px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
      color: #fff;
      backdrop-filter: blur(12px);
    }

    .image-caption b {
      display: block;
      font-size: 20px;
      line-height: 1.35;
    }

    .image-caption span {
      display: block;
      margin-top: 6px;
      color: rgba(255,255,255,.76);
      font-size: 13px;
    }

    .check-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
      list-style: none;
    }

    .check-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px 16px;
      border: 1px solid var(--line-dark);
      border-radius: 18px;
      background: #fff;
      color: #334155;
      box-shadow: 0 12px 28px rgba(15,23,42,.05);
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 24px;
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(16,185,129,.12);
      color: var(--success);
      font-weight: 950;
      line-height: 1;
      margin-top: 2px;
    }

    .dark-section {
      position: relative;
      color: #fff;
      background:
        radial-gradient(circle at 18% 20%, rgba(255,77,141,.20), transparent 32%),
        radial-gradient(circle at 86% 10%, rgba(34,211,238,.16), transparent 30%),
        #0b0e17;
      overflow: hidden;
    }

    .dark-section .section-title {
      color: #fff;
    }

    .dark-section .section-desc {
      color: rgba(255,255,255,.68);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      align-items: stretch;
    }

    .scenario-main {
      padding: 34px;
      border-radius: 30px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: blur(12px);
    }

    .scenario-main h3 {
      font-size: 28px;
      line-height: 1.25;
      letter-spacing: -.025em;
    }

    .scenario-main p {
      margin-top: 14px;
      color: rgba(255,255,255,.70);
    }

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

    .scenario-list article {
      padding: 20px;
      border-radius: 22px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      transition: transform .2s var(--ease), background .2s var(--ease);
    }

    .scenario-list article:hover {
      transform: translateY(-3px);
      background: rgba(255,255,255,.12);
    }

    .scenario-list h4 {
      font-size: 17px;
    }

    .scenario-list p {
      margin-top: 6px;
      color: rgba(255,255,255,.66);
      font-size: 14px;
    }

    .guide-search {
      display: flex;
      gap: 12px;
      margin-top: 24px;
      padding: 8px;
      max-width: 560px;
      border-radius: 999px;
      background: rgba(255,255,255,.10);
      border: 1px solid rgba(255,255,255,.14);
    }

    .guide-search input {
      flex: 1;
      min-width: 0;
      border: 0;
      background: transparent;
      color: #fff;
      padding: 0 14px;
      outline: 0;
    }

    .guide-search input::placeholder {
      color: rgba(255,255,255,.48);
    }

    .guide-search button {
      flex: 0 0 auto;
    }

    .steps {
      counter-reset: step;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .step {
      counter-increment: step;
      position: relative;
      padding: 26px 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: 0 16px 34px rgba(15,23,42,.07);
    }

    .step::before {
      content: counter(step, decimal-leading-zero);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      margin-bottom: 18px;
      border-radius: 15px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      font-weight: 950;
      box-shadow: 0 14px 28px rgba(139,92,246,.20);
    }

    .step h3 {
      font-size: 18px;
      line-height: 1.35;
    }

    .step p {
      margin-top: 8px;
      color: var(--muted-dark);
      font-size: 14px;
    }

    .latest-panel {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 26px;
      padding: 26px;
      border-radius: 32px;
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }

    .latest-cover {
      border-radius: 24px;
      overflow: hidden;
      min-height: 340px;
      background: #111827;
    }

    .latest-cover img {
      width: 100%;
      height: 100%;
      min-height: 340px;
      object-fit: cover;
    }

    .latest-content {
      padding: 10px 6px;
      align-self: center;
    }

    .notice-list {
      display: grid;
      gap: 12px;
      margin-top: 22px;
      list-style: none;
    }

    .notice-list li {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      padding: 15px;
      border-radius: 18px;
      background: #f8fafc;
      border: 1px solid var(--line-dark);
    }

    .notice-list em {
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: rgba(255,77,141,.12);
      color: var(--primary);
      font-style: normal;
      font-weight: 950;
    }

    .notice-list strong {
      display: block;
      color: #111827;
      line-height: 1.4;
    }

    .notice-list span {
      display: block;
      margin-top: 4px;
      color: var(--muted-dark);
      font-size: 13px;
    }

    .faq-wrap {
      display: grid;
      gap: 14px;
      max-width: 900px;
    }

    .faq-item {
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line-dark);
      box-shadow: 0 14px 30px rgba(15,23,42,.06);
      overflow: hidden;
    }

    .faq-q {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 18px;
      padding: 20px 22px;
      background: #fff;
      color: #111827;
      text-align: left;
      font-weight: 900;
    }

    .faq-q:hover {
      background: #f8fafc;
    }

    .faq-q::after {
      content: "+";
      flex: 0 0 auto;
      width: 30px;
      height: 30px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-2));
      font-size: 20px;
      line-height: 1;
      transition: transform .2s var(--ease);
    }

    .faq-item.is-open .faq-q::after {
      transform: rotate(45deg);
    }

    .faq-a {
      display: none;
      padding: 0 22px 22px;
      color: var(--muted-dark);
    }

    .faq-item.is-open .faq-a {
      display: block;
    }

    .cta {
      padding: 88px 0;
    }

    .cta-box {
      position: relative;
      overflow: hidden;
      padding: 46px;
      border-radius: 36px;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(255,77,141,.92), rgba(139,92,246,.92)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      box-shadow: var(--shadow);
    }

    .cta-box::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(255,255,255,.14);
    }

    .cta-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }

    .cta h2 {
      font-size: clamp(28px, 4vw, 46px);
      line-height: 1.15;
      letter-spacing: -.035em;
    }

    .cta p {
      margin-top: 14px;
      max-width: 720px;
      color: rgba(255,255,255,.78);
    }

    .site-footer {
      padding: 58px 0 28px;
      background: #080b12;
      color: #fff;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr repeat(3, 1fr);
      gap: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 950;
      font-size: 18px;
    }

    .footer-note {
      margin-top: 16px;
      max-width: 420px;
      color: rgba(255,255,255,.62);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-col h3 {
      margin-bottom: 14px;
      color: #fff;
      font-size: 15px;
    }

    .footer-col a {
      display: table;
      margin: 9px 0;
      color: rgba(255,255,255,.62);
      font-size: 14px;
      transition: color .2s var(--ease), transform .2s var(--ease);
    }

    .footer-col a:hover {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255,255,255,.48);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .nav-links {
        gap: 4px;
      }

      .nav-links a {
        padding-inline: 10px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-top: 60px;
      }

      .hero-panel {
        max-width: 720px;
      }

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

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

      .scenario-grid,
      .latest-panel {
        grid-template-columns: 1fr;
      }

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

      .cta-content {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        min-height: 68px;
      }

      .header-inner {
        min-height: 68px;
      }

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

      .nav-links {
        position: absolute;
        left: 14px;
        right: 14px;
        top: calc(100% + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border-radius: 22px;
        background: rgba(11,14,23,.96);
        border: 1px solid rgba(255,255,255,.10);
        box-shadow: var(--shadow);
      }

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

      .nav-links a {
        justify-content: center;
        min-height: 44px;
      }

      .nav-links a.nav-action {
        margin-left: 0;
      }

      .hero-inner {
        min-height: auto;
        padding: 50px 0 112px;
      }

      .hero h1 {
        font-size: clamp(34px, 10vw, 52px);
      }

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

      .panel-card {
        position: relative;
        left: auto;
        bottom: auto;
        width: 100%;
        margin-top: 14px;
      }

      .quick-strip {
        margin-top: -62px;
      }

      .section {
        padding: 70px 0;
      }

      .section-tight {
        padding: 58px 0;
      }

      .grid-2,
      .grid-3 {
        grid-template-columns: 1fr;
      }

      .image-card,
      .image-card img {
        min-height: 320px;
      }

      .guide-search {
        border-radius: 22px;
        flex-direction: column;
        padding: 12px;
      }

      .guide-search input {
        min-height: 44px;
      }

      .guide-search .btn {
        width: 100%;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        font-size: 16px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

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

      .strip-item,
      .card,
      .scenario-main,
      .step,
      .latest-panel,
      .cta-box {
        padding: 20px;
      }

      .cta-box {
        border-radius: 28px;
      }

      .latest-cover,
      .latest-cover img {
        min-height: 260px;
      }
    }