/* roulang page: index */
:root {
      --color-ink: #1f1b16;
      --color-text: #4b443c;
      --color-muted: #7a7168;
      --color-soft: #9b8d7e;
      --color-primary: #f59e0b;
      --color-primary-dark: #c47a16;
      --color-coral: #ef6a4a;
      --color-dark: #171717;
      --color-dark-2: #202020;
      --color-bg: #fff8ef;
      --color-bg-2: #faf7f2;
      --color-card: #fffdf8;
      --color-cream: #f3eee7;
      --color-amber-soft: #fff1d6;
      --border: 1px solid rgba(60, 45, 30, 0.12);
      --border-strong: 1px solid rgba(60, 45, 30, 0.18);
      --shadow-sm: 0 10px 26px rgba(90, 56, 22, 0.08);
      --shadow-md: 0 20px 55px rgba(90, 56, 22, 0.13);
      --shadow-lg: 0 30px 80px rgba(32, 20, 10, 0.18);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --ease: 180ms ease;
      --header-h: 78px;
    }

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

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

    body {
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(245, 158, 11, 0.12), transparent 28%),
        radial-gradient(circle at 88% 4%, rgba(239, 106, 74, 0.08), transparent 24%),
        linear-gradient(180deg, #fff8ef 0%, #faf7f2 54%, #fff8ef 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input,
    textarea {
      width: 100%;
      border: var(--border);
      border-radius: 16px;
      background: rgba(255, 253, 248, 0.92);
      color: var(--color-ink);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus,
    textarea:focus {
      border-color: rgba(245, 158, 11, 0.8);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.16);
      background: #fffdf8;
    }

    :focus-visible {
      outline: 3px solid rgba(245, 158, 11, 0.55);
      outline-offset: 4px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(18px);
      background: rgba(255, 248, 239, 0.86);
      border-bottom: 1px solid rgba(60, 45, 30, 0.1);
    }

    .nav-wrap {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--color-ink);
      font-weight: 800;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(239, 106, 74, 0.92)),
        #f59e0b;
      box-shadow: 0 12px 28px rgba(245, 158, 11, 0.28);
      position: relative;
      overflow: hidden;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 11px;
      border: 2px solid rgba(31, 27, 22, 0.72);
      border-left-width: 5px;
      border-right-width: 5px;
      border-radius: 6px;
    }

    .brand-mark::after {
      inset: 16px 13px auto;
      height: 3px;
      border: 0;
      background: rgba(31, 27, 22, 0.68);
      box-shadow: 0 7px 0 rgba(31, 27, 22, 0.58);
    }

    .brand-text {
      font-size: 20px;
      line-height: 1;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 8px 14px;
      border-radius: 999px;
      color: #5f554a;
      font-size: 15px;
      font-weight: 650;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-ink);
      background: rgba(245, 158, 11, 0.13);
    }

    .nav-link:active {
      transform: translateY(1px);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      border: var(--border);
      background: rgba(255, 253, 248, 0.88);
      color: var(--color-ink);
      align-items: center;
      justify-content: center;
      transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
    }

    .menu-toggle:hover {
      background: var(--color-amber-soft);
      box-shadow: var(--shadow-sm);
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: currentColor;
      position: relative;
      border-radius: 999px;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--ease), top var(--ease);
    }

    .menu-toggle span::before {
      top: -7px;
    }

    .menu-toggle span::after {
      top: 7px;
    }

    body.menu-open .menu-toggle span {
      background: transparent;
    }

    body.menu-open .menu-toggle span::before {
      top: 0;
      transform: rotate(45deg);
      background: var(--color-ink);
    }

    body.menu-open .menu-toggle span::after {
      top: 0;
      transform: rotate(-45deg);
      background: var(--color-ink);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 760;
      line-height: 1;
      letter-spacing: -0.01em;
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
      white-space: nowrap;
    }

    .btn-primary {
      color: #23170a;
      background: linear-gradient(135deg, #f7b733, var(--color-primary));
      box-shadow: 0 14px 28px rgba(245, 158, 11, 0.26);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #ffc24b, #e89007);
      box-shadow: 0 18px 38px rgba(245, 158, 11, 0.34);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .btn-secondary {
      color: var(--color-ink);
      background: rgba(255, 253, 248, 0.74);
      border-color: rgba(60, 45, 30, 0.14);
      box-shadow: 0 10px 24px rgba(90, 56, 22, 0.06);
    }

    .btn-secondary:hover {
      background: var(--color-amber-soft);
      transform: translateY(-2px);
      border-color: rgba(245, 158, 11, 0.35);
    }

    .section {
      padding: 88px 0;
    }

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

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary-dark);
      background: rgba(245, 158, 11, 0.12);
      border: 1px solid rgba(245, 158, 11, 0.22);
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
      line-height: 1;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.14);
    }

    .section-title {
      margin-top: 14px;
      color: var(--color-ink);
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      font-weight: 820;
    }

    .section-desc {
      max-width: 640px;
      margin-top: 14px;
      color: var(--color-muted);
      font-size: 17px;
    }

    .link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary-dark);
      font-weight: 800;
      transition: color var(--ease), gap var(--ease), text-decoration-color var(--ease);
      text-decoration: underline;
      text-decoration-color: transparent;
      text-underline-offset: 5px;
    }

    .link-arrow:hover {
      gap: 12px;
      color: #a76005;
      text-decoration-color: currentColor;
    }

    .hero {
      position: relative;
      padding: 72px 0 34px;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 74%;
      background:
        linear-gradient(90deg, rgba(23, 23, 23, 0.92), rgba(23, 23, 23, 0.58) 54%, rgba(23, 23, 23, 0.2)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      z-index: -2;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 42%;
      background: linear-gradient(180deg, rgba(255, 248, 239, 0), var(--color-bg) 72%);
      z-index: -1;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
      gap: 44px;
      align-items: center;
      min-height: 620px;
    }

    .hero-copy {
      color: #fff7ec;
      padding: 32px 0;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 247, 236, 0.12);
      color: #ffe8c0;
      border: 1px solid rgba(255, 247, 236, 0.22);
      font-size: 14px;
      font-weight: 760;
      backdrop-filter: blur(10px);
    }

    .hero-badge i {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background:
        radial-gradient(circle at 50% 50%, rgba(23, 23, 23, 0.8) 0 22%, transparent 24%),
        conic-gradient(from 20deg, #f59e0b, #ef6a4a, #ffd485, #f59e0b);
      flex: 0 0 auto;
    }

    .hero h1 {
      max-width: 760px;
      margin-top: 22px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.13;
      letter-spacing: -0.055em;
      color: #fffaf2;
      font-weight: 850;
    }

    .hero h1 .accent {
      color: #ffc766;
    }

    .hero-subtitle {
      max-width: 660px;
      margin-top: 22px;
      color: rgba(255, 247, 236, 0.82);
      font-size: 18px;
      line-height: 1.9;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
      list-style: none;
    }

    .hero-note li {
      color: rgba(255, 247, 236, 0.78);
      background: rgba(255, 247, 236, 0.1);
      border: 1px solid rgba(255, 247, 236, 0.16);
      border-radius: 999px;
      padding: 8px 12px;
      font-size: 13px;
    }

    .hero-visual {
      position: relative;
      align-self: stretch;
      min-height: 520px;
      display: flex;
      align-items: center;
    }

    .cinema-panel {
      width: 100%;
      position: relative;
      border-radius: 38px;
      overflow: hidden;
      border: 1px solid rgba(255, 247, 236, 0.26);
      box-shadow: var(--shadow-lg);
      background: #221b14;
      transform: rotate(1.2deg);
    }

    .cinema-panel img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      opacity: 0.88;
      transform: scale(1.02);
    }

    .cinema-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(23, 23, 23, 0.05), rgba(23, 23, 23, 0.68)),
        radial-gradient(circle at 72% 18%, rgba(245, 158, 11, 0.35), transparent 28%);
      pointer-events: none;
    }

    .film-card {
      position: absolute;
      left: -20px;
      bottom: 42px;
      width: min(320px, 72%);
      padding: 20px;
      border-radius: 24px;
      background: rgba(255, 253, 248, 0.94);
      border: 1px solid rgba(255, 247, 236, 0.56);
      box-shadow: 0 20px 55px rgba(20, 12, 4, 0.24);
      backdrop-filter: blur(14px);
    }

    .film-card strong {
      display: block;
      color: var(--color-ink);
      font-size: 17px;
      line-height: 1.45;
    }

    .film-card p {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .film-card .mini-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-top: 16px;
      padding-top: 14px;
      border-top: 1px dashed rgba(60, 45, 30, 0.18);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 760;
    }

    .floating-tag {
      position: absolute;
      right: -12px;
      top: 76px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 15px;
      border-radius: 999px;
      color: #2a1907;
      background: #ffd27a;
      box-shadow: 0 16px 34px rgba(245, 158, 11, 0.28);
      font-weight: 850;
      transform: rotate(-4deg);
    }

    .quick-strip {
      margin-top: -8px;
      position: relative;
      z-index: 3;
    }

    .strip-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      padding: 14px;
      border-radius: 28px;
      background: rgba(255, 253, 248, 0.86);
      border: var(--border);
      box-shadow: var(--shadow-md);
      backdrop-filter: blur(14px);
    }

    .strip-item {
      position: relative;
      padding: 20px 18px 20px 42px;
      border-radius: 20px;
      background:
        linear-gradient(90deg, rgba(23, 23, 23, 0.035) 1px, transparent 1px) left 17px top / 10px 10px,
        var(--color-bg-2);
      border: 1px solid rgba(60, 45, 30, 0.08);
      overflow: hidden;
    }

    .strip-item::before {
      content: "";
      position: absolute;
      left: 16px;
      top: 20px;
      bottom: 20px;
      width: 10px;
      border-radius: 999px;
      background:
        radial-gradient(circle, rgba(31, 27, 22, 0.35) 2px, transparent 3px) center top / 10px 12px repeat-y,
        rgba(245, 158, 11, 0.18);
    }

    .strip-item b {
      display: block;
      color: var(--color-ink);
      font-size: 16px;
      line-height: 1.3;
    }

    .strip-item span {
      display: block;
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .feature-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
      gap: 22px;
      align-items: stretch;
    }

    .feature-large,
    .feature-card,
    .news-feature,
    .news-item,
    .standard-panel,
    .faq-item,
    .feedback-card {
      background: rgba(255, 253, 248, 0.86);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .feature-large {
      position: relative;
      min-height: 520px;
      border-radius: var(--radius-xl);
      overflow: hidden;
      display: flex;
      align-items: end;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .feature-large:hover {
      transform: translateY(-4px);
      border-color: rgba(245, 158, 11, 0.4);
      box-shadow: var(--shadow-md);
    }

    .feature-large img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 260ms ease;
    }

    .feature-large:hover img {
      transform: scale(1.04);
    }

    .feature-large::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(23, 23, 23, 0.02), rgba(23, 23, 23, 0.88));
    }

    .feature-large-content {
      position: relative;
      z-index: 2;
      padding: 34px;
      color: #fff7ec;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      max-width: 100%;
      padding: 7px 11px;
      border-radius: 999px;
      color: #8b5105;
      background: rgba(245, 158, 11, 0.14);
      border: 1px solid rgba(245, 158, 11, 0.24);
      font-size: 12px;
      font-weight: 850;
      line-height: 1;
    }

    .dark-badge {
      color: #ffe0aa;
      background: rgba(255, 247, 236, 0.14);
      border-color: rgba(255, 247, 236, 0.22);
    }

    .feature-large h2,
    .feature-card h3,
    .news-feature h3,
    .news-item h3 {
      color: inherit;
      letter-spacing: -0.03em;
    }

    .feature-large h2 {
      margin-top: 16px;
      font-size: clamp(28px, 3.2vw, 42px);
      line-height: 1.16;
      color: #fffaf2;
    }

    .feature-large p {
      margin-top: 14px;
      max-width: 560px;
      color: rgba(255, 247, 236, 0.76);
      font-size: 16px;
    }

    .feature-list {
      display: grid;
      gap: 18px;
    }

    .feature-card {
      display: grid;
      grid-template-columns: 128px minmax(0, 1fr);
      gap: 18px;
      padding: 18px;
      border-radius: 26px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .feature-card:hover {
      transform: translateY(-3px);
      border-color: rgba(245, 158, 11, 0.38);
      box-shadow: var(--shadow-md);
    }

    .feature-thumb {
      border-radius: 20px;
      overflow: hidden;
      background: var(--color-cream);
      min-height: 128px;
    }

    .feature-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 1 / 1;
      transition: transform 260ms ease;
    }

    .feature-card:hover .feature-thumb img {
      transform: scale(1.06);
    }

    .feature-card h3 {
      margin-top: 12px;
      color: var(--color-ink);
      font-size: 21px;
      line-height: 1.35;
    }

    .feature-card p {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .feature-card .link-arrow {
      margin-top: 12px;
      font-size: 14px;
    }

    .latest {
      background:
        linear-gradient(180deg, rgba(243, 238, 231, 0.58), rgba(255, 248, 239, 0.18)),
        radial-gradient(circle at 92% 12%, rgba(245, 158, 11, 0.12), transparent 28%);
    }

    .news-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
      gap: 22px;
      align-items: start;
    }

    .news-feature {
      display: grid;
      grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1fr);
      gap: 22px;
      padding: 18px;
      border-radius: var(--radius-xl);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .news-feature:hover {
      transform: translateY(-3px);
      border-color: rgba(245, 158, 11, 0.42);
      box-shadow: var(--shadow-md);
    }

    .news-cover {
      border-radius: 26px;
      overflow: hidden;
      min-height: 290px;
      background: var(--color-cream);
    }

    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 260ms ease;
    }

    .news-feature:hover .news-cover img {
      transform: scale(1.04);
    }

    .news-body {
      padding: 10px 8px 10px 0;
      display: flex;
      flex-direction: column;
      align-items: start;
      justify-content: center;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.3;
    }

    .meta-dot {
      width: 4px;
      height: 4px;
      border-radius: 999px;
      background: rgba(122, 113, 104, 0.54);
    }

    .news-feature h3 {
      margin-top: 14px;
      color: var(--color-ink);
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.22;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-feature p {
      margin-top: 14px;
      color: var(--color-muted);
      font-size: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-feature .link-arrow {
      margin-top: 22px;
    }

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

    .news-item {
      padding: 20px;
      border-radius: 24px;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
    }

    .news-item:hover {
      transform: translateY(-3px);
      border-color: rgba(245, 158, 11, 0.4);
      box-shadow: var(--shadow-md);
      background: #fffdf8;
    }

    .news-item h3 {
      margin-top: 10px;
      color: var(--color-ink);
      font-size: 20px;
      line-height: 1.35;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-item p {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.65;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-item .link-arrow {
      margin-top: 12px;
      font-size: 14px;
    }

    .empty-state {
      grid-column: 1 / -1;
      min-height: 300px;
      display: grid;
      place-items: center;
      text-align: center;
      padding: 42px 24px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 50% 0%, rgba(245, 158, 11, 0.14), transparent 36%),
        rgba(255, 253, 248, 0.88);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .empty-icon {
      width: 74px;
      height: 74px;
      margin: 0 auto 18px;
      border-radius: 26px;
      background:
        radial-gradient(circle, rgba(31, 27, 22, 0.28) 2px, transparent 3px) left 12px top 12px / 12px 12px repeat,
        linear-gradient(135deg, #ffd27a, #f59e0b);
      box-shadow: 0 18px 40px rgba(245, 158, 11, 0.24);
    }

    .empty-state p {
      color: var(--color-ink);
      font-size: 18px;
      font-weight: 760;
    }

    .empty-state .btn {
      margin-top: 18px;
    }

    .scenes-wrap {
      display: grid;
      grid-template-columns: minmax(270px, 0.42fr) minmax(0, 0.58fr);
      gap: 28px;
      align-items: start;
    }

    .scene-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 10px;
      border-radius: 26px;
      background: rgba(255, 253, 248, 0.78);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .scene-tab {
      flex: 1 1 150px;
      min-height: 48px;
      padding: 12px 15px;
      border-radius: 999px;
      border: 1px solid rgba(60, 45, 30, 0.1);
      color: var(--color-text);
      background: rgba(243, 238, 231, 0.72);
      font-weight: 760;
      transition: background var(--ease), border-color var(--ease), transform var(--ease), color var(--ease), box-shadow var(--ease);
    }

    .scene-tab:hover,
    .scene-tab.active {
      background: rgba(245, 158, 11, 0.16);
      border-color: rgba(245, 158, 11, 0.45);
      color: var(--color-ink);
      transform: translateY(-1px);
    }

    .scene-tab.active {
      box-shadow: 0 12px 24px rgba(245, 158, 11, 0.12);
    }

    .scene-card {
      border-radius: var(--radius-xl);
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(255, 241, 214, 0.7), rgba(255, 253, 248, 0.92)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      background-blend-mode: screen;
      border: var(--border);
      box-shadow: var(--shadow-md);
      min-height: 340px;
    }

    .scene-card h3 {
      color: var(--color-ink);
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.22;
      letter-spacing: -0.03em;
    }

    .scene-card p {
      margin-top: 12px;
      max-width: 620px;
      color: var(--color-text);
      font-size: 16px;
    }

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

    .scene-points li {
      display: flex;
      gap: 12px;
      align-items: start;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255, 253, 248, 0.78);
      border: 1px solid rgba(60, 45, 30, 0.08);
      color: var(--color-text);
      font-weight: 650;
    }

    .scene-points li::before {
      content: "";
      width: 10px;
      height: 10px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.14);
      flex: 0 0 auto;
    }

    .standards {
      background: var(--color-dark);
      color: #fff7ec;
      position: relative;
      overflow: hidden;
    }

    .standards::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 14% 16%, rgba(245, 158, 11, 0.17), transparent 30%),
        radial-gradient(circle at 84% 30%, rgba(239, 106, 74, 0.12), transparent 28%),
        linear-gradient(90deg, rgba(255, 247, 236, 0.04) 1px, transparent 1px) 0 0 / 38px 38px;
      pointer-events: none;
    }

    .standards .container {
      position: relative;
      z-index: 1;
    }

    .standards .section-title {
      color: #fffaf2;
    }

    .standards .section-desc {
      color: rgba(255, 247, 236, 0.72);
    }

    .standard-grid {
      display: grid;
      grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
      gap: 36px;
      align-items: start;
    }

    .standard-intro {
      position: sticky;
      top: calc(var(--header-h) + 26px);
    }

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

    .standard-panel {
      position: relative;
      counter-increment: step;
      display: grid;
      grid-template-columns: 56px minmax(0, 1fr);
      gap: 18px;
      padding: 24px;
      border-radius: 26px;
      background: rgba(255, 247, 236, 0.07);
      border: 1px solid rgba(255, 247, 236, 0.13);
      box-shadow: none;
    }

    .standard-panel::before {
      content: counter(step, decimal-leading-zero);
      display: grid;
      place-items: center;
      width: 52px;
      height: 52px;
      border-radius: 18px;
      color: #2a1907;
      background: linear-gradient(135deg, #ffd27a, var(--color-primary));
      font-weight: 900;
    }

    .standard-panel h3 {
      color: #fffaf2;
      font-size: 21px;
      line-height: 1.35;
    }

    .standard-panel p {
      margin-top: 6px;
      color: rgba(255, 247, 236, 0.7);
      font-size: 15px;
    }

    .voice-grid {
      display: grid;
      grid-template-columns: 0.86fr 1.14fr;
      gap: 24px;
      align-items: stretch;
    }

    .voice-image {
      border-radius: var(--radius-xl);
      overflow: hidden;
      min-height: 430px;
      box-shadow: var(--shadow-md);
      border: var(--border);
    }

    .voice-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .voice-panel {
      padding: 34px;
      border-radius: var(--radius-xl);
      background: rgba(255, 253, 248, 0.88);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .quote-list {
      display: grid;
      gap: 16px;
      margin-top: 24px;
    }

    .quote-card {
      padding: 20px;
      border-radius: 22px;
      background: var(--color-bg-2);
      border: 1px solid rgba(60, 45, 30, 0.09);
    }

    .quote-card p {
      color: var(--color-text);
      font-size: 16px;
    }

    .quote-card span {
      display: block;
      margin-top: 10px;
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 850;
    }

    .faq {
      background: linear-gradient(180deg, rgba(255, 241, 214, 0.3), rgba(255, 248, 239, 0));
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .faq-item {
      border-radius: 22px;
      overflow: hidden;
      transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
    }

    .faq-item:hover {
      border-color: rgba(245, 158, 11, 0.35);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .faq-question {
      width: 100%;
      min-height: 66px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 20px 22px;
      color: var(--color-ink);
      text-align: left;
      font-weight: 820;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 999px;
      background: rgba(245, 158, 11, 0.14);
      color: var(--color-primary-dark);
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-icon::before {
      content: "+";
      font-weight: 900;
      line-height: 1;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(245, 158, 11, 0.24);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: var(--color-muted);
      font-size: 15px;
    }

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

    .faq-answer-inner {
      padding: 16px 18px;
      border-radius: 18px;
      background: rgba(243, 238, 231, 0.65);
      border-left: 4px solid var(--color-primary);
    }

    .feedback {
      padding-top: 0;
    }

    .feedback-grid {
      display: grid;
      grid-template-columns: minmax(280px, 0.9fr) minmax(300px, 1.1fr);
      gap: 24px;
      align-items: stretch;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      min-height: 390px;
      padding: 38px;
      border-radius: var(--radius-xl);
      color: #fff7ec;
      background:
        linear-gradient(135deg, rgba(23, 23, 23, 0.92), rgba(32, 32, 32, 0.78)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      box-shadow: var(--shadow-lg);
    }

    .cta-card::before {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.18);
      filter: blur(4px);
    }

    .cta-card > * {
      position: relative;
      z-index: 1;
    }

    .cta-card h2 {
      margin-top: 16px;
      color: #fffaf2;
      font-size: clamp(30px, 4vw, 44px);
      line-height: 1.18;
      letter-spacing: -0.04em;
    }

    .cta-card p {
      max-width: 560px;
      margin-top: 14px;
      color: rgba(255, 247, 236, 0.76);
      font-size: 16px;
    }

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

    .feedback-card {
      padding: 30px;
      border-radius: var(--radius-xl);
    }

    .feedback-card h3 {
      color: var(--color-ink);
      font-size: 26px;
      line-height: 1.25;
      letter-spacing: -0.03em;
    }

    .feedback-card p {
      margin-top: 8px;
      color: var(--color-muted);
      font-size: 15px;
    }

    .feedback-form {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .field label {
      display: block;
      margin-bottom: 8px;
      color: var(--color-ink);
      font-size: 14px;
      font-weight: 760;
    }

    .field input {
      min-height: 48px;
      padding: 12px 15px;
    }

    .field textarea {
      min-height: 118px;
      resize: vertical;
      padding: 14px 15px;
    }

    .form-note {
      color: var(--color-soft);
      font-size: 13px;
      line-height: 1.6;
    }

    .site-footer {
      padding: 62px 0 28px;
      color: #d8cfc3;
      background:
        radial-gradient(circle at 18% 10%, rgba(245, 158, 11, 0.12), transparent 28%),
        #171717;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(260px, 1.2fr) repeat(2, minmax(180px, 0.6fr)) minmax(230px, 0.8fr);
      gap: 34px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 247, 236, 0.12);
    }

    .footer-brand {
      color: #fffaf2;
    }

    .footer-brand .brand-mark {
      width: 40px;
      height: 40px;
    }

    .footer-desc {
      max-width: 360px;
      margin-top: 16px;
      color: rgba(216, 207, 195, 0.78);
      font-size: 14px;
    }

    .footer-title {
      color: #fffaf2;
      font-weight: 850;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      list-style: none;
    }

    .footer-links a {
      color: rgba(216, 207, 195, 0.78);
      font-size: 14px;
      transition: color var(--ease), transform var(--ease);
    }

    .footer-links a:hover {
      color: #ffc766;
      transform: translateX(3px);
    }

    .compliance {
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 247, 236, 0.06);
      border: 1px solid rgba(255, 247, 236, 0.1);
      color: rgba(216, 207, 195, 0.76);
      font-size: 14px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      padding-top: 24px;
      color: rgba(216, 207, 195, 0.58);
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .hero-inner,
      .feature-layout,
      .news-grid,
      .standard-grid,
      .voice-grid,
      .feedback-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        padding-top: 46px;
      }

      .hero-inner {
        min-height: auto;
      }

      .hero-visual {
        min-height: 470px;
      }

      .standard-intro {
        position: static;
      }

      .news-feature {
        grid-template-columns: 0.9fr 1.1fr;
      }

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

    @media (max-width: 880px) {
      :root {
        --header-h: 70px;
      }

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

      .nav-menu {
        position: fixed;
        left: 20px;
        right: 20px;
        top: calc(var(--header-h) + 10px);
        display: grid;
        gap: 8px;
        padding: 16px;
        border-radius: 26px;
        background: rgba(255, 253, 248, 0.96);
        border: var(--border);
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
      }

      body.menu-open .nav-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .nav-link {
        min-height: 48px;
        justify-content: center;
        border-radius: 16px;
      }

      .nav-actions .btn {
        display: none;
      }

      .hero::before {
        height: 82%;
      }

      .hero-inner {
        gap: 28px;
      }

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

      .hero-visual {
        min-height: 410px;
      }

      .cinema-panel {
        transform: none;
      }

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

      .section {
        padding: 66px 0;
      }

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

      .news-feature {
        grid-template-columns: 1fr;
      }

      .news-cover {
        min-height: auto;
      }

      .news-cover img {
        aspect-ratio: 16 / 10;
      }

      .scenes-wrap {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 640px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

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

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .hero {
        padding-top: 34px;
      }

      .hero h1 {
        font-size: clamp(31px, 10vw, 40px);
      }

      .hero-subtitle {
        font-size: 16px;
        line-height: 1.8;
      }

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

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

      .hero-visual {
        min-height: 360px;
      }

      .film-card {
        left: 12px;
        bottom: 18px;
        width: calc(100% - 24px);
      }

      .floating-tag {
        right: 12px;
        top: 18px;
        font-size: 13px;
      }

      .strip-grid {
        grid-template-columns: 1fr;
        border-radius: 24px;
      }

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

      .feature-thumb img {
        aspect-ratio: 16 / 9;
      }

      .feature-large {
        min-height: 430px;
      }

      .feature-large-content,
      .scene-card,
      .voice-panel,
      .feedback-card,
      .cta-card {
        padding: 24px;
      }

      .standard-panel {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 420px) {
      .nav-wrap {
        gap: 12px;
      }

      .btn {
        min-height: 44px;
        padding-inline: 16px;
      }

      .section-title {
        font-size: 27px;
      }

      .scene-tab {
        flex-basis: 100%;
      }
    }

/* roulang page: article */
:root {
      --color-ink: #1f1b16;
      --color-text: #4b443c;
      --color-muted: #7a7168;
      --color-soft: #9b8d7e;
      --color-primary: #f59e0b;
      --color-primary-dark: #c47a16;
      --color-coral: #ef6a4a;
      --color-dark: #171717;
      --color-dark-2: #202020;
      --color-bg: #fff8ef;
      --color-bg-2: #faf7f2;
      --color-card: #fffdf8;
      --color-cream: #f3eee7;
      --color-amber-soft: #fff1d6;
      --border: 1px solid rgba(60, 45, 30, 0.12);
      --border-strong: 1px solid rgba(60, 45, 30, 0.18);
      --shadow-sm: 0 10px 26px rgba(90, 56, 22, 0.08);
      --shadow-md: 0 20px 55px rgba(90, 56, 22, 0.13);
      --shadow-lg: 0 30px 80px rgba(32, 20, 10, 0.18);
      --radius-sm: 14px;
      --radius-md: 20px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1200px;
      --ease: 180ms ease;
      --header-h: 78px;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

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

    body {
      min-height: 100vh;
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(245, 158, 11, 0.12), transparent 28%),
        radial-gradient(circle at 88% 4%, rgba(239, 106, 74, 0.08), transparent 24%),
        linear-gradient(180deg, #fff8ef 0%, #faf7f2 54%, #fff8ef 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

    ul,
    ol {
      padding-left: 1.2em;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    input,
    textarea {
      width: 100%;
      border: var(--border);
      border-radius: 16px;
      background: rgba(255, 253, 248, 0.92);
      color: var(--color-ink);
      outline: none;
      transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    input:focus,
    textarea:focus,
    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(245, 158, 11, 0.35);
      outline-offset: 3px;
    }

    input:focus,
    textarea:focus {
      border-color: rgba(245, 158, 11, 0.8);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.16);
      background: #fffdf8;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(18px);
      background: rgba(255, 248, 239, 0.86);
      border-bottom: 1px solid rgba(60, 45, 30, 0.1);
    }

    .nav-wrap {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--color-ink);
      font-weight: 800;
      letter-spacing: -0.02em;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background:
        linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(239, 106, 74, 0.92)),
        #f59e0b;
      box-shadow: 0 12px 28px rgba(245, 158, 11, 0.28);
      position: relative;
      overflow: hidden;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px 11px;
      border: 2px solid rgba(31, 27, 22, 0.72);
      border-left-width: 5px;
      border-right-width: 5px;
      border-radius: 6px;
    }

    .brand-mark::after {
      inset: 16px 13px auto;
      height: 3px;
      border: 0;
      background: rgba(31, 27, 22, 0.68);
      box-shadow: 0 7px 0 rgba(31, 27, 22, 0.58);
    }

    .brand-text {
      font-size: 20px;
      line-height: 1;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 8px 14px;
      border-radius: 999px;
      color: #5f554a;
      font-size: 15px;
      font-weight: 650;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--color-ink);
      background: rgba(245, 158, 11, 0.13);
    }

    .nav-link:active {
      transform: translateY(1px);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .menu-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border-radius: 16px;
      border: var(--border);
      background: rgba(255, 253, 248, 0.88);
      color: var(--color-ink);
      align-items: center;
      justify-content: center;
      transition: background var(--ease), box-shadow var(--ease), transform var(--ease);
    }

    .menu-toggle:hover {
      background: var(--color-amber-soft);
      box-shadow: var(--shadow-sm);
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: currentColor;
      position: relative;
      border-radius: 999px;
    }

    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--ease), top var(--ease);
    }

    .menu-toggle span::before {
      top: -7px;
    }

    .menu-toggle span::after {
      top: 7px;
    }

    body.menu-open .menu-toggle span {
      background: transparent;
    }

    body.menu-open .menu-toggle span::before {
      top: 0;
      transform: rotate(45deg);
      background: var(--color-ink);
    }

    body.menu-open .menu-toggle span::after {
      top: 0;
      transform: rotate(-45deg);
      background: var(--color-ink);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 760;
      line-height: 1;
      letter-spacing: -0.01em;
      border: var(--border);
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
      white-space: nowrap;
    }

    .btn-primary-soft {
      background: var(--color-primary);
      color: #201408;
      border-color: rgba(196, 122, 22, 0.25);
      box-shadow: 0 14px 30px rgba(245, 158, 11, 0.22);
    }

    .btn-primary-soft:hover {
      background: #ffad22;
      color: #1f1b16;
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(245, 158, 11, 0.3);
    }

    .btn-secondary-soft {
      background: rgba(255, 253, 248, 0.72);
      color: var(--color-ink);
      border-color: rgba(60, 45, 30, 0.14);
    }

    .btn-secondary-soft:hover {
      background: var(--color-amber-soft);
      color: var(--color-ink);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .btn:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(245, 158, 11, 0.14);
      color: #7a4803;
      border: 1px solid rgba(245, 158, 11, 0.24);
      font-size: 13px;
      font-weight: 760;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.14);
    }

    .badge-soft {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 10px;
      border-radius: 999px;
      background: var(--color-amber-soft);
      color: #7a4803;
      font-size: 12px;
      font-weight: 760;
      border: 1px solid rgba(245, 158, 11, 0.2);
    }

    .section {
      padding: 86px 0;
    }

    .article-hero {
      position: relative;
      padding: 54px 0 34px;
      overflow: hidden;
      background:
        linear-gradient(115deg, rgba(23, 23, 23, 0.88), rgba(32, 32, 32, 0.66)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      color: #fff7ec;
    }

    .article-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 18% 20%, rgba(245, 158, 11, 0.24), transparent 28%),
        linear-gradient(90deg, rgba(23, 23, 23, 0.88), rgba(23, 23, 23, 0.22));
      pointer-events: none;
    }

    .article-hero .container {
      position: relative;
      z-index: 1;
    }

    .breadcrumb-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 22px;
      color: rgba(255, 247, 236, 0.72);
      font-size: 14px;
    }

    .breadcrumb-line a {
      color: rgba(255, 247, 236, 0.86);
      transition: color var(--ease);
    }

    .breadcrumb-line a:hover {
      color: var(--color-primary);
    }

    .breadcrumb-sep {
      color: rgba(255, 247, 236, 0.42);
    }

    .article-head {
      max-width: 900px;
    }

    .article-head h1 {
      margin: 18px 0 18px;
      color: #fff7ec;
      font-size: clamp(2rem, 5vw, 3.6rem);
      line-height: 1.16;
      letter-spacing: -0.04em;
      font-weight: 840;
    }

    .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      margin: 0 0 22px;
      padding: 0;
      list-style: none;
      color: rgba(255, 247, 236, 0.76);
      font-size: 14px;
    }

    .article-meta li {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .article-meta li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.84);
    }

    .article-lead {
      max-width: 820px;
      margin: 0;
      color: rgba(255, 247, 236, 0.86);
      font-size: 18px;
      line-height: 1.85;
    }

    .article-shell {
      padding: 52px 0 24px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 820px) 320px;
      gap: 38px;
      align-items: start;
    }

    .article-main {
      min-width: 0;
    }

    .cover-card {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: var(--border);
      box-shadow: var(--shadow-md);
      background: var(--color-card);
      margin-bottom: 28px;
    }

    .cover-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .cover-caption {
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
      color: #fff7ec;
    }

    .cover-caption span {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(23, 23, 23, 0.62);
      border: 1px solid rgba(255, 247, 236, 0.18);
      backdrop-filter: blur(10px);
      font-size: 13px;
      font-weight: 700;
    }

    .content-card {
      border-radius: var(--radius-lg);
      border: var(--border);
      background: rgba(255, 253, 248, 0.94);
      box-shadow: var(--shadow-sm);
      padding: 36px;
    }

    .article-content {
      color: var(--color-text);
      font-size: 17px;
      line-height: 1.92;
      word-break: break-word;
    }

    .article-content > *:first-child {
      margin-top: 0;
    }

    .article-content > *:last-child {
      margin-bottom: 0;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: var(--color-ink);
      letter-spacing: -0.02em;
      line-height: 1.35;
      scroll-margin-top: 110px;
    }

    .article-content h2 {
      position: relative;
      margin: 2.2em 0 0.75em;
      padding-left: 18px;
      font-size: 28px;
      font-weight: 820;
    }

    .article-content h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.3em;
      width: 5px;
      height: 1.1em;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--color-primary), var(--color-coral));
    }

    .article-content h3 {
      margin: 1.8em 0 0.65em;
      font-size: 23px;
      font-weight: 790;
    }

    .article-content h4 {
      margin: 1.5em 0 0.55em;
      font-size: 19px;
      font-weight: 760;
    }

    .article-content p {
      margin: 0 0 1.12em;
    }

    .article-content a {
      color: #a35f08;
      text-decoration: underline;
      text-decoration-color: rgba(245, 158, 11, 0.45);
      text-underline-offset: 4px;
      transition: color var(--ease), text-decoration-color var(--ease);
    }

    .article-content a:hover {
      color: var(--color-primary-dark);
      text-decoration-color: var(--color-primary-dark);
    }

    .article-content ul,
    .article-content ol {
      margin: 0 0 1.2em;
      padding-left: 1.35em;
    }

    .article-content li {
      margin: 0.35em 0;
      padding-left: 0.15em;
    }

    .article-content blockquote {
      margin: 1.6em 0;
      padding: 20px 22px;
      border-left: 5px solid var(--color-primary);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      background: linear-gradient(90deg, rgba(255, 241, 214, 0.92), rgba(255, 253, 248, 0.9));
      color: #564233;
      box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.12);
    }

    .article-content figure {
      margin: 2em 0;
    }

    .article-content figure img,
    .article-content p img {
      border-radius: var(--radius-md);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .article-content figcaption {
      margin-top: 10px;
      text-align: center;
      color: var(--color-muted);
      font-size: 14px;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.7em 0;
      overflow: hidden;
      border-radius: var(--radius-md);
      border: var(--border);
      background: #fffdf8;
      display: block;
      overflow-x: auto;
    }

    .article-content th,
    .article-content td {
      min-width: 130px;
      padding: 13px 15px;
      border-bottom: 1px solid rgba(60, 45, 30, 0.1);
      text-align: left;
      vertical-align: top;
    }

    .article-content th {
      background: var(--color-amber-soft);
      color: var(--color-ink);
      font-weight: 780;
    }

    .article-content code {
      padding: 2px 6px;
      border-radius: 8px;
      background: rgba(60, 45, 30, 0.08);
      color: #7a4803;
      font-size: 0.92em;
    }

    .article-content pre {
      margin: 1.5em 0;
      padding: 18px;
      overflow-x: auto;
      border-radius: var(--radius-md);
      background: #201b16;
      color: #fff7ec;
      border: 1px solid rgba(255, 247, 236, 0.12);
    }

    .article-content pre code {
      padding: 0;
      background: transparent;
      color: inherit;
    }

    .not-found-box {
      text-align: center;
      padding: 54px 28px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at top, rgba(245, 158, 11, 0.18), transparent 38%),
        var(--color-card);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .not-found-icon {
      width: 62px;
      height: 62px;
      display: grid;
      place-items: center;
      margin: 0 auto 18px;
      border-radius: 22px;
      background: var(--color-amber-soft);
      color: #8a5308;
      font-size: 28px;
      font-weight: 900;
    }

    .not-found-box h2 {
      margin: 0 0 10px;
      color: var(--color-ink);
      font-size: 28px;
      font-weight: 830;
    }

    .not-found-box p {
      margin: 0 auto 22px;
      max-width: 520px;
      color: var(--color-muted);
    }

    .article-side {
      position: sticky;
      top: calc(var(--header-h) + 22px);
      display: grid;
      gap: 18px;
    }

    .side-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: rgba(255, 253, 248, 0.92);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .side-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
      color: var(--color-ink);
      font-size: 16px;
      font-weight: 820;
    }

    .side-title::after {
      content: "";
      width: 36px;
      height: 3px;
      border-radius: 999px;
      background: var(--color-primary);
    }

    .toc-list {
      display: grid;
      gap: 8px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .toc-list a {
      display: block;
      padding: 9px 11px;
      border-radius: 12px;
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.45;
      transition: color var(--ease), background var(--ease), transform var(--ease);
    }

    .toc-list a:hover {
      color: var(--color-ink);
      background: rgba(245, 158, 11, 0.12);
      transform: translateX(3px);
    }

    .toc-empty {
      margin: 0;
      padding: 12px;
      border-radius: 14px;
      background: var(--color-bg-2);
      color: var(--color-muted);
      font-size: 14px;
    }

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

    .related-card {
      display: grid;
      grid-template-columns: 74px minmax(0, 1fr);
      gap: 12px;
      padding: 10px;
      border: var(--border);
      border-radius: 16px;
      background: rgba(250, 247, 242, 0.7);
      transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease), background var(--ease);
    }

    .related-card:hover {
      border-color: rgba(245, 158, 11, 0.38);
      background: #fffdf8;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .related-card img {
      width: 74px;
      height: 74px;
      border-radius: 14px;
      object-fit: cover;
    }

    .related-card strong {
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      color: var(--color-ink);
      font-size: 14px;
      line-height: 1.45;
    }

    .related-card span {
      display: block;
      margin-top: 6px;
      color: var(--color-muted);
      font-size: 12px;
    }

    .guide-panel {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 28px;
      align-items: center;
      padding: 30px;
      border-radius: var(--radius-lg);
      background: linear-gradient(135deg, rgba(255, 241, 214, 0.86), rgba(255, 253, 248, 0.92));
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .guide-panel h2,
    .standards h2,
    .faq-section h2,
    .cta-card h2 {
      margin: 0 0 12px;
      color: var(--color-ink);
      font-size: clamp(1.6rem, 3vw, 2.25rem);
      line-height: 1.25;
      font-weight: 840;
      letter-spacing: -0.03em;
    }

    .guide-panel p,
    .standards p,
    .faq-section .section-desc,
    .cta-card p {
      margin: 0;
      color: var(--color-muted);
      font-size: 16px;
    }

    .guide-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .guide-chip {
      padding: 10px 14px;
      border-radius: 999px;
      background: rgba(255, 253, 248, 0.86);
      border: var(--border);
      color: var(--color-text);
      font-size: 14px;
      font-weight: 700;
      transition: background var(--ease), border-color var(--ease), transform var(--ease);
    }

    .guide-chip:hover,
    .guide-chip.active {
      background: var(--color-primary);
      border-color: rgba(196, 122, 22, 0.28);
      color: #201408;
      transform: translateY(-2px);
    }

    .standards {
      padding: 34px;
      border-radius: var(--radius-lg);
      background: var(--color-card);
      border: var(--border);
      box-shadow: var(--shadow-sm);
    }

    .standard-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .step {
      padding: 20px;
      border-radius: var(--radius-md);
      background: var(--color-bg-2);
      border: var(--border);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }

    .step:hover {
      transform: translateY(-3px);
      border-color: rgba(245, 158, 11, 0.34);
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      margin-bottom: 12px;
      border-radius: 999px;
      background: var(--color-amber-soft);
      color: #7a4803;
      font-weight: 850;
    }

    .step h3 {
      margin: 0 0 7px;
      color: var(--color-ink);
      font-size: 16px;
      font-weight: 800;
    }

    .step p {
      font-size: 14px;
      line-height: 1.65;
    }

    .faq-section {
      padding-top: 28px;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .faq-item {
      border-radius: var(--radius-md);
      border: var(--border);
      background: rgba(255, 253, 248, 0.94);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 18px 20px;
      color: var(--color-ink);
      font-weight: 800;
      text-align: left;
    }

    .faq-question .faq-icon {
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      background: var(--color-amber-soft);
      color: #7a4803;
      transition: transform var(--ease), background var(--ease);
    }

    .faq-item.active .faq-question .faq-icon {
      transform: rotate(45deg);
      background: var(--color-primary);
      color: #201408;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px;
      color: var(--color-muted);
      font-size: 15px;
      line-height: 1.75;
    }

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

    .article-bottom {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .return-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: rgba(255, 253, 248, 0.92);
      border: var(--border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .return-card:hover {
      transform: translateY(-2px);
      border-color: rgba(245, 158, 11, 0.36);
      box-shadow: var(--shadow-md);
    }

    .return-card span {
      display: block;
      margin-bottom: 6px;
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .return-card strong {
      display: block;
      color: var(--color-ink);
      font-size: 18px;
      line-height: 1.45;
    }

    .return-card em {
      display: inline-block;
      margin-top: 12px;
      color: var(--color-primary-dark);
      font-style: normal;
      font-weight: 800;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      margin-top: 42px;
      padding: 34px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.32), transparent 24%),
        linear-gradient(135deg, #211b15, #171717 58%, #2a1b11);
      color: #fff7ec;
      box-shadow: var(--shadow-lg);
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.18);
      pointer-events: none;
    }

    .cta-card > * {
      position: relative;
      z-index: 1;
    }

    .cta-card h2 {
      color: #fff7ec;
    }

    .cta-card p {
      max-width: 670px;
      color: rgba(255, 247, 236, 0.78);
    }

    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .site-footer {
      margin-top: 72px;
      padding: 58px 0 26px;
      background:
        radial-gradient(circle at 18% 0%, rgba(245, 158, 11, 0.16), transparent 26%),
        linear-gradient(180deg, #202020, #171717);
      color: #d8cfc3;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.7fr 0.7fr 1fr;
      gap: 34px;
      align-items: start;
    }

    .footer-brand {
      color: #fff7ec;
    }

    .footer-desc {
      margin: 16px 0 0;
      max-width: 360px;
      color: #bfb4a8;
      font-size: 15px;
      line-height: 1.8;
    }

    .footer-title {
      margin-bottom: 14px;
      color: #fff7ec;
      font-weight: 820;
      font-size: 16px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .footer-links a {
      color: #cfc4b8;
      transition: color var(--ease), transform var(--ease);
    }

    .footer-links a:hover {
      color: var(--color-primary);
      transform: translateX(3px);
    }

    .compliance {
      padding: 16px;
      border-radius: var(--radius-md);
      background: rgba(255, 247, 236, 0.06);
      border: 1px solid rgba(255, 247, 236, 0.1);
      color: #cfc4b8;
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-top: 42px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 247, 236, 0.1);
      color: #a99f94;
      font-size: 14px;
    }

    .footer-bottom p {
      margin: 0;
    }

    @media (max-width: 1100px) {
      .nav-actions .btn {
        display: none;
      }

      .article-layout {
        grid-template-columns: minmax(0, 1fr) 290px;
        gap: 26px;
      }

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

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

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

    @media (max-width: 920px) {
      :root {
        --header-h: 70px;
      }

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

      .site-header nav {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 10px);
        display: none;
      }

      body.menu-open .site-header nav {
        display: block;
      }

      .nav-menu {
        display: grid;
        gap: 8px;
        padding: 12px;
        border-radius: var(--radius-md);
        background: rgba(255, 253, 248, 0.98);
        border: var(--border);
        box-shadow: var(--shadow-md);
      }

      .nav-link {
        justify-content: flex-start;
        width: 100%;
        min-height: 46px;
        padding: 10px 14px;
      }

      .article-layout {
        grid-template-columns: 1fr;
      }

      .article-side {
        position: static;
      }

      .guide-panel {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 720px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .article-hero {
        padding: 42px 0 28px;
      }

      .article-head h1 {
        font-size: clamp(1.75rem, 9vw, 2.35rem);
      }

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

      .section {
        padding: 58px 0;
      }

      .content-card {
        padding: 24px 20px;
      }

      .article-content {
        font-size: 16px;
        line-height: 1.9;
      }

      .article-content h2 {
        font-size: 24px;
      }

      .article-content h3 {
        font-size: 20px;
      }

      .article-bottom {
        grid-template-columns: 1fr;
      }

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

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

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

    @media (max-width: 520px) {
      .brand-text {
        font-size: 18px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

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

      .cover-caption {
        position: static;
        padding: 14px;
        background: #211b15;
      }

      .cover-caption span {
        background: rgba(255, 247, 236, 0.08);
      }

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

      .related-card {
        grid-template-columns: 64px 1fr;
      }

      .related-card img {
        width: 64px;
        height: 64px;
      }

      .cta-card,
      .standards,
      .guide-panel {
        padding: 24px 20px;
        border-radius: var(--radius-lg);
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}