/* roulang page: index */
:root {
      --color-ink: #111827;
      --color-gold: #B08D57;
      --color-paper: #F8F6F3;
      --color-white: #FFFFFF;
      --color-text-main: #1F2937;
      --color-text-sub: #6B7280;
      --color-text-weak: #9CA3AF;
      --color-border: rgba(0, 0, 0, 0.08);
      --color-border-dark: rgba(255, 255, 255, 0.1);
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-large: 16px;
      --radius-badge: 999px;
      --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
      --space-section: 96px;
      --space-section-mobile: 64px;
    }

    /* Reset */
    *, *::before, *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      scroll-behavior: smooth;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
      font-size: 18px;
      line-height: 1.7;
      color: var(--color-text-main);
      background-color: var(--color-paper);
    }
    h1, h2, h3, h4, h5, h6 {
      font-size: inherit;
      font-weight: inherit;
      line-height: 1.3;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
    }
    button {
      background: transparent;
      border: none;
      cursor: pointer;
      font-family: inherit;
    }
    input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    /* Container */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 32px;
      padding-right: 32px;
    }
    @media (max-width: 768px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
    }

    /* Section spacing */
    .section-padding {
      padding-top: var(--space-section);
      padding-bottom: var(--space-section);
    }
    @media (max-width: 768px) {
      .section-padding {
        padding-top: var(--space-section-mobile);
        padding-bottom: var(--space-section-mobile);
      }
    }

    /* Section title */
    .section-title {
      font-size: clamp(1.5rem, 3vw, 2.1rem);
      font-weight: 700;
      color: var(--color-ink);
      line-height: 1.3;
    }
    .section-subtitle {
      font-size: 1rem;
      color: var(--color-text-sub);
      line-height: 1.7;
      margin-top: 10px;
    }

    /* Buttons */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      background-color: var(--color-ink);
      color: #fff;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-btn);
      transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    }
    .btn-primary:hover {
      filter: brightness(1.12);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(17, 24, 39, 0.18);
    }
    .btn-primary:active {
      transform: translateY(0);
      filter: brightness(0.96);
    }
    .btn-primary:focus-visible {
      outline: 2px solid var(--color-gold);
      outline-offset: 2px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      background-color: transparent;
      color: var(--color-ink);
      font-size: 0.95rem;
      font-weight: 600;
      border: 1px solid rgba(17, 24, 39, 0.25);
      border-radius: var(--radius-btn);
      transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }
    .btn-outline:hover {
      border-color: var(--color-gold);
      color: var(--color-gold);
      transform: translateY(-1px);
    }
    .btn-outline:focus-visible {
      outline: 2px solid var(--color-gold);
      outline-offset: 2px;
    }

    .btn-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 12px 8px;
      color: var(--color-ink);
      font-size: 0.95rem;
      font-weight: 600;
      border-bottom: 1px solid transparent;
      transition: color 0.2s ease, border-color 0.2s ease;
    }
    .btn-link:hover {
      color: var(--color-gold);
      border-color: var(--color-gold);
    }

    /* Header / Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background-color: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }
    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .logo {
      font-size: 1.4rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      color: var(--color-ink);
      display: flex;
      align-items: center;
      gap: 2px;
    }
    .logo .logo-gold {
      color: var(--color-gold);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--color-text-sub);
      position: relative;
      padding-bottom: 4px;
      transition: color 0.2s ease;
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background-color: var(--color-gold);
      transition: width 0.2s ease;
    }
    .nav-links a:hover {
      color: var(--color-ink);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }
    .nav-links a.active {
      color: var(--color-ink);
      font-weight: 600;
    }
    .nav-cta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .nav-cta .btn-outline,
    .nav-cta .btn-primary {
      padding: 9px 22px;
      font-size: 0.88rem;
    }

    /* Mobile toggle */
    .mobile-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
    }
    .mobile-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background-color: var(--color-ink);
      border-radius: 2px;
      transition: transform 0.25s ease, opacity 0.25s ease;
    }
    .mobile-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .mobile-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* Mobile drawer */
    .mobile-drawer {
      display: none;
      background-color: #fff;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      padding: 16px 32px 28px;
    }
    .mobile-drawer.open {
      display: block;
    }
    .mobile-drawer a {
      display: block;
      padding: 14px 0;
      font-size: 1rem;
      font-weight: 500;
      color: var(--color-text-main);
      border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    }
    .mobile-drawer a:last-of-type {
      border-bottom: none;
    }
    .mobile-drawer a.active {
      color: var(--color-gold);
      font-weight: 600;
    }
    .mobile-drawer .drawer-cta {
      margin-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    /* Hero */
    .hero {
      position: relative;
      background-color: var(--color-paper);
      background-image: linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
      background-size: 32px 32px;
      padding-top: 72px;
      padding-bottom: 96px;
      overflow: hidden;
    }
    .hero-inner {
      display: flex;
      align-items: center;
      gap: 64px;
    }
    .hero-content {
      flex: 1;
      max-width: 560px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background-color: rgba(176, 141, 87, 0.12);
      color: #8B6B3D;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      border-radius: var(--radius-badge);
      margin-bottom: 24px;
    }
    .hero h1 {
      font-size: clamp(2rem, 5vw, 3.4rem);
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.15;
      color: var(--color-ink);
      margin-bottom: 20px;
    }
    .hero h1 .highlight {
      color: var(--color-gold);
    }
    .hero-desc {
      font-size: 1.05rem;
      line-height: 1.8;
      color: var(--color-text-sub);
      margin-bottom: 32px;
    }
    .hero-cta {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 24px;
    }
    .hero-trust {
      font-size: 0.85rem;
      color: var(--color-text-weak);
      letter-spacing: 0.02em;
    }
    .hero-trust span {
      color: var(--color-gold);
      font-weight: 600;
    }

    .hero-visual {
      flex: 1;
      position: relative;
      max-width: 480px;
    }
    .hero-visual .cover-img {
      border-radius: var(--radius-card);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
      border: 1px solid rgba(176, 141, 87, 0.35);
    }
    .hero-float-card {
      position: absolute;
      bottom: -24px;
      left: -32px;
      background-color: #fff;
      border-radius: var(--radius-card);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-left: 3px solid var(--color-gold);
    }
    .hero-float-card .fc-title {
      font-size: 0.8rem;
      color: var(--color-text-sub);
      letter-spacing: 0.04em;
    }
    .hero-float-card .fc-value {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--color-ink);
    }

    /* Stats */
    .stats-section {
      background-color: var(--color-ink);
      padding-top: 56px;
      padding-bottom: 56px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
    .stat-item {
      text-align: center;
      padding: 16px 8px;
    }
    .stat-number {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--color-gold);
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
      letter-spacing: -0.01em;
    }
    .stat-label {
      font-size: 0.85rem;
      letter-spacing: 0.1em;
      color: rgba(255, 255, 255, 0.7);
      margin-top: 8px;
    }

    /* Cards */
    .card {
      background-color: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
      padding: 28px;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(176, 141, 87, 0.3);
    }
    .card-img {
      border-radius: 8px;
      margin-bottom: 20px;
      overflow: hidden;
    }
    .card-img img {
      transition: transform 0.4s ease;
    }
    .card:hover .card-img img {
      transform: scale(1.02);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background-color: rgba(176, 141, 87, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gold);
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .card-title {
      font-size: 1.15rem;
      font-weight: 650;
      color: var(--color-ink);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .card-desc {
      font-size: 0.92rem;
      color: var(--color-text-sub);
      line-height: 1.65;
      flex: 1;
    }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 18px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-ink);
      transition: color 0.2s ease, gap 0.2s ease;
    }
    .card-link:hover {
      color: var(--color-gold);
      gap: 10px;
    }

    /* Catalog grid */
    .catalog-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .catalog-grid .card-featured {
      grid-column: span 2;
    }
    .card-featured .card-inner {
      display: flex;
      gap: 24px;
      align-items: center;
    }
    .card-featured .card-inner .card-img {
      width: 46%;
      margin-bottom: 0;
      flex-shrink: 0;
    }

    /* Recommend */
    .recommend-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .recommend-card {
      background-color: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .recommend-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }
    .recommend-card .rc-img {
      height: 180px;
      overflow: hidden;
    }
    .recommend-card .rc-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .recommend-card:hover .rc-img img {
      transform: scale(1.03);
    }
    .recommend-card .rc-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .rc-tag {
      display: inline-flex;
      align-self: flex-start;
      padding: 3px 12px;
      background-color: rgba(176, 141, 87, 0.1);
      color: #8B6B3D;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      border-radius: var(--radius-badge);
      margin-bottom: 12px;
    }
    .rc-title {
      font-size: 1.05rem;
      font-weight: 650;
      color: var(--color-ink);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .rc-desc {
      font-size: 0.88rem;
      color: var(--color-text-sub);
      line-height: 1.6;
      flex: 1;
    }
    .rc-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      font-size: 0.8rem;
      color: var(--color-text-weak);
    }

    /* News */
    .news-wrap {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 48px;
    }
    .news-list {
      display: flex;
      flex-direction: column;
    }
    .news-item {
      display: flex;
      align-items: baseline;
      gap: 16px;
      padding: 20px 0;
      border-bottom: 1px solid rgba(0, 0, 0, 0.05);
      transition: padding-left 0.25s ease;
    }
    .news-item:hover {
      padding-left: 8px;
    }
    .news-item .news-date {
      font-size: 0.8rem;
      color: var(--color-text-weak);
      white-space: nowrap;
      font-variant-numeric: tabular-nums;
      flex-shrink: 0;
    }
    .news-item .news-title {
      font-size: 1rem;
      font-weight: 550;
      color: var(--color-text-main);
      transition: color 0.2s ease;
    }
    .news-item:hover .news-title {
      color: var(--color-gold);
    }
    .news-sidebar {
      background-color: rgba(176, 141, 87, 0.06);
      border-radius: var(--radius-card);
      border: 1px solid rgba(176, 141, 87, 0.15);
      padding: 28px;
      align-self: flex-start;
      position: sticky;
      top: 90px;
    }
    .news-sidebar h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-ink);
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 2px solid var(--color-gold);
      display: inline-block;
    }
    .sidebar-list {
      list-style: none;
    }
    .sidebar-list li {
      padding: 10px 0;
      border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    }
    .sidebar-list li:last-child {
      border-bottom: none;
    }
    .sidebar-list a {
      font-size: 0.9rem;
      color: var(--color-text-main);
      line-height: 1.5;
      transition: color 0.2s ease;
    }
    .sidebar-list a:hover {
      color: var(--color-gold);
    }

    /* Save & Share */
    .save-share-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .save-share-card {
      background-color: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
      padding: 36px;
    }
    .save-share-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--color-ink);
      margin-bottom: 18px;
    }
    .save-share-card p {
      font-size: 0.95rem;
      color: var(--color-text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .save-features {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .save-feature {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .save-feature .sf-icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background-color: rgba(176, 141, 87, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gold);
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .save-feature .sf-text {
      font-size: 0.9rem;
      color: var(--color-text-main);
      line-height: 1.5;
    }
    .share-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 12px;
    }
    .share-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      border: 1px solid rgba(0, 0, 0, 0.1);
      border-radius: var(--radius-badge);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text-main);
      transition: all 0.2s ease;
      background-color: #fff;
    }
    .share-btn:hover {
      border-color: var(--color-gold);
      color: var(--color-gold);
      transform: translateY(-1px);
    }

    /* FAQ */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }
    .faq-item:first-child {
      border-top: 1px solid rgba(0, 0, 0, 0.08);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      padding: 22px 8px;
      font-size: 1rem;
      font-weight: 600;
      color: var(--color-ink);
      text-align: left;
      transition: color 0.2s ease;
      cursor: pointer;
    }
    .faq-question:hover {
      color: var(--color-gold);
    }
    .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      color: var(--color-ink);
      transition: transform 0.3s ease, border-color 0.3s ease, color 0.3s ease;
      flex-shrink: 0;
      margin-left: 16px;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      border-color: var(--color-gold);
      color: var(--color-gold);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }
    .faq-answer-inner {
      padding: 0 8px 22px;
      font-size: 0.9rem;
      color: var(--color-text-sub);
      line-height: 1.75;
    }

    /* Form */
    .form-section {
      background-color: #fff;
      border-radius: var(--radius-large);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--color-border);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }
    .form-left h2 {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--color-ink);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .form-left p {
      font-size: 0.95rem;
      color: var(--color-text-sub);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .form-contact-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .form-contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.9rem;
      color: var(--color-text-main);
    }
    .form-contact-item .ci-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background-color: rgba(176, 141, 87, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gold);
      font-size: 0.8rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--color-text-main);
      margin-bottom: 6px;
    }
    .form-group label .req {
      color: #E4572E;
      margin-left: 2px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid rgba(0, 0, 0, 0.12);
      border-radius: var(--radius-btn);
      font-size: 0.9rem;
      color: var(--color-text-main);
      background-color: #fff;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      appearance: none;
      -webkit-appearance: none;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--color-gold);
      box-shadow: 0 0 0 2px rgba(176, 141, 87, 0.18);
    }
    .form-group select {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 16px center;
      padding-right: 40px;
    }
    .form-submit {
      width: 100%;
      padding: 14px 32px;
      background-color: var(--color-ink);
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-btn);
      transition: filter 0.2s ease, transform 0.2s ease;
      margin-top: 8px;
    }
    .form-submit:hover {
      filter: brightness(1.12);
      transform: translateY(-1px);
    }
    .form-submit:active {
      transform: translateY(0);
    }

    /* CTA Banner */
    .cta-banner {
      position: relative;
      background-image: url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-large);
      overflow: hidden;
      padding: 72px 48px;
      text-align: center;
    }
    .cta-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(115deg, rgba(17, 24, 39, 0.92) 0%, rgba(17, 24, 39, 0.75) 100%);
    }
    .cta-banner>* {
      position: relative;
      z-index: 1;
    }
    .cta-banner h2 {
      font-size: clamp(1.6rem, 3.5vw, 2.4rem);
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .cta-banner p {
      font-size: 1rem;
      color: rgba(255, 255, 255, 0.75);
      margin-bottom: 32px;
      max-width: 500px;
      margin-left: auto;
      margin-right: auto;
    }
    .cta-banner .btn-primary {
      background-color: var(--color-gold);
      color: var(--color-ink);
      padding: 14px 40px;
      font-size: 1rem;
      box-shadow: 0 4px 16px rgba(176, 141, 87, 0.4);
    }
    .cta-banner .btn-primary:hover {
      filter: brightness(1.08);
    }

    /* Footer */
    .site-footer {
      background-color: #111827;
      color: #9CA3AF;
      padding: 64px 0 0;
      margin-top: 96px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand .logo {
      color: #fff;
      font-size: 1.4rem;
      margin-bottom: 16px;
    }
    .footer-brand .logo .logo-gold {
      color: var(--color-gold);
    }
    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.6);
    }
    .footer-col h4 {
      font-size: 0.9rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.02em;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul a {
      font-size: 0.88rem;
      color: rgba(255, 255, 255, 0.55);
      transition: color 0.2s ease, padding-left 0.2s ease;
    }
    .footer-col ul a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.88rem;
      color: rgba(255, 255, 255, 0.55);
    }
    .footer-contact div {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-bottom {
      padding: 24px 0;
      text-align: center;
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.4);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 0;
    }
    .footer-bottom a {
      color: rgba(255, 255, 255, 0.5);
    }
    .footer-bottom a:hover {
      color: var(--color-gold);
    }

    /* Animation */
    .fade-up {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .nav-links {
        gap: 20px;
      }
      .hero-inner {
        gap: 40px;
      }
      .catalog-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .catalog-grid .card-featured {
        grid-column: span 2;
      }
      .news-wrap {
        grid-template-columns: 1fr 280px;
        gap: 32px;
      }
    }
    @media (max-width: 768px) {
      body {
        font-size: 16px;
      }
      .nav-links,
      .nav-cta {
        display: none;
      }
      .mobile-toggle {
        display: flex;
      }
      .nav-wrap {
        height: 64px;
      }
      .logo {
        font-size: 1.2rem;
      }
      .hero {
        padding-top: 48px;
        padding-bottom: 72px;
      }
      .hero-inner {
        flex-direction: column;
        gap: 48px;
      }
      .hero-content {
        max-width: 100%;
      }
      .hero-visual {
        max-width: 100%;
      }
      .hero-float-card {
        bottom: -16px;
        left: 12px;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .catalog-grid {
        grid-template-columns: 1fr;
      }
      .catalog-grid .card-featured {
        grid-column: span 1;
      }
      .card-featured .card-inner {
        flex-direction: column;
      }
      .card-featured .card-inner .card-img {
        width: 100%;
      }
      .recommend-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .news-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .news-sidebar {
        position: static;
        width: 100%;
      }
      .save-share-wrap {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .form-section {
        grid-template-columns: 1fr;
        padding: 28px 20px;
        gap: 32px;
      }
      .cta-banner {
        padding: 48px 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .footer-brand {
        grid-column: span 2;
      }
      .section-padding {
        padding-top: 56px;
        padding-bottom: 56px;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .hero h1 {
        font-size: 1.8rem;
      }
      .hero-desc {
        font-size: 0.95rem;
      }
      .hero-cta {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
      .hero-cta .btn-primary,
      .hero-cta .btn-outline {
        width: 100%;
      }
      .stats-grid {
        gap: 16px;
      }
      .stat-number {
        font-size: 1.8rem;
      }
      .stat-label {
        font-size: 0.75rem;
      }
      .form-section {
        padding: 24px 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-brand {
        grid-column: span 1;
      }
      .section-title {
        font-size: 1.4rem;
      }
    }

/* roulang page: category1 */
:root {
            --color-ink: #111827;
            --color-gold: #B08D57;
            --color-paper: #F8F6F3;
            --color-white: #FFFFFF;
            --color-text-main: #1F2937;
            --color-text-sub: #6B7280;
            --color-text-weak: #9CA3AF;
            --color-border: rgba(0, 0, 0, 0.08);
            --color-border-dark: rgba(255, 255, 255, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-large: 16px;
            --radius-badge: 999px;
            --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.08);
            --space-section: 96px;
            --space-section-mobile: 64px;
        }

        html {
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            font-size: 18px;
            line-height: 1.7;
            color: var(--color-text-main);
            background-color: var(--color-paper);
        }

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

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

        button {
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: var(--space-section-mobile);
                padding-bottom: var(--space-section-mobile);
            }
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-sub);
            line-height: 1.7;
            margin-top: 10px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background-color: var(--color-ink);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: filter 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
        }

        .btn-primary:hover {
            filter: brightness(1.12);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(17, 24, 39, 0.18);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.96);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--color-ink);
            font-size: 0.95rem;
            font-weight: 600;
            border: 1px solid rgba(17, 24, 39, 0.25);
            border-radius: var(--radius-btn);
            transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .btn-outline:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            transform: translateY(-1px);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 12px 8px;
            color: var(--color-ink);
            font-size: 0.95rem;
            font-weight: 600;
            border-bottom: 1px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .btn-link:hover {
            color: var(--color-gold);
            border-color: var(--color-gold);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-ink);
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .logo .logo-gold {
            color: var(--color-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-sub);
            position: relative;
            padding-bottom: 4px;
            transition: color 0.2s ease;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-gold);
            transition: width 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--color-ink);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .nav-links a.active {
            color: var(--color-ink);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-cta .btn-outline,
        .nav-cta .btn-primary {
            padding: 9px 22px;
            font-size: 0.88rem;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-ink);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            background-color: #fff;
            border-top: 1px solid rgba(0, 0, 0, 0.06);
            padding: 16px 20px 28px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
        }

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

        .mobile-drawer a {
            display: block;
            padding: 12px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-main);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: color 0.2s ease;
        }

        .mobile-drawer a:hover {
            color: var(--color-gold);
        }

        .mobile-drawer a.active {
            color: var(--color-ink);
            font-weight: 700;
        }

        .mobile-drawer .mobile-drawer-cta {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }

        .mobile-drawer .mobile-drawer-cta a {
            flex: 1;
            text-align: center;
            border: none;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .site-footer {
            background-color: #111827;
            color: #9CA3AF;
            padding-top: 64px;
            padding-bottom: 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
            color: #9CA3AF;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: #9CA3AF;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 0.88rem;
            line-height: 1.9;
            color: #9CA3AF;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            font-size: 0.82rem;
            color: #6B7280;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 18px 0;
            font-size: 0.85rem;
            color: var(--color-text-sub);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb a {
            transition: color 0.2s ease;
        }

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

        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--color-text-weak);
        }

        /* 分类Hero */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(248, 246, 243, 0.95), rgba(248, 246, 243, 0.88)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            padding: 72px 0 80px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .category-hero .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .category-hero .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(176, 141, 87, 0.12);
            color: #8A6A3F;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .category-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-ink);
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .category-hero h1 .gold-text {
            color: var(--color-gold);
        }

        .category-hero .hero-desc {
            font-size: 1rem;
            color: var(--color-text-sub);
            line-height: 1.75;
            max-width: 460px;
            margin-bottom: 28px;
        }

        .category-hero .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual .hero-img-wrap {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            border: 1px solid rgba(176, 141, 87, 0.35);
            position: relative;
        }

        .hero-visual .hero-img-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .hero-visual .float-stats {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: 12px;
            padding: 14px 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .hero-visual .float-stats .fs-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-ink);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .hero-visual .float-stats .fs-label {
            font-size: 0.75rem;
            color: var(--color-text-sub);
        }

        /* 数据指标 */
        .stats-bar {
            background-color: #111827;
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-num {
            display: block;
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-gold);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            display: block;
            margin-top: 8px;
            font-size: 0.82rem;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.65);
            text-transform: uppercase;
        }

        @media (max-width: 768px) {
            .category-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .category-hero {
                padding: 48px 0 56px;
            }
            .hero-visual .hero-img-wrap img {
                height: 240px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .stat-item .stat-num {
                font-size: 2rem;
            }
        }

        /* 内容筛选 */
        .content-section {
            background-color: var(--color-paper);
        }

        .content-header-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .filter-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .filter-tab {
            padding: 10px 26px;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            border: 1px solid rgba(17, 24, 39, 0.2);
            color: var(--color-text-main);
            transition: all 0.2s ease;
            background-color: #fff;
        }

        .filter-tab:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        .filter-tab.active {
            background-color: var(--color-ink);
            border-color: var(--color-ink);
            color: #fff;
        }

        /* 卡片列表 */
        .content-grid {
            display: grid;
            gap: 24px;
        }

        .content-grid.featured-row {
            grid-template-columns: 1.4fr 1fr;
            margin-bottom: 24px;
        }

        .content-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }

        .content-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
        }

        .content-card .card-img {
            overflow: hidden;
            position: relative;
        }

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

        .content-card:hover .card-img img {
            transform: scale(1.02);
        }

        .content-card .card-body {
            padding: 20px 24px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: #8A6A3F;
            background-color: rgba(176, 141, 87, 0.12);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .content-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color 0.2s ease;
        }

        .content-card:hover h3 {
            color: var(--color-gold);
        }

        .content-card .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-sub);
            line-height: 1.65;
            flex: 1;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            font-size: 0.78rem;
            color: var(--color-text-weak);
            border-top: 1px solid rgba(0, 0, 0, 0.04);
            padding-top: 12px;
        }

        .content-card .card-meta .duration {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-card .card-meta .duration svg {
            width: 14px;
            height: 14px;
        }

        .content-card.large-card .card-img {
            height: 220px;
            flex-shrink: 0;
        }

        .content-card.small-card {
            flex-direction: row;
            align-items: stretch;
        }

        .content-card.small-card .card-img {
            width: 40%;
            flex-shrink: 0;
            min-height: 140px;
        }

        .content-card.small-card .card-body {
            padding: 16px 18px;
        }

        .content-card.small-card h3 {
            font-size: 1rem;
        }

        .content-card.small-card .card-desc {
            font-size: 0.82rem;
        }

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

        @media (max-width: 768px) {
            .content-grid.featured-row {
                grid-template-columns: 1fr;
            }
            .content-grid.bottom-row {
                grid-template-columns: 1fr;
            }
            .content-card.small-card {
                flex-direction: column;
            }
            .content-card.small-card .card-img {
                width: 100%;
                min-height: 0;
                height: 180px;
            }
        }

        /* 分页 */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 48px;
        }

        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            padding: 0 12px;
            border-radius: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            background: #fff;
            border: 1px solid rgba(0, 0, 0, 0.1);
            color: var(--color-text-main);
            transition: all 0.2s ease;
        }

        .pagination .page-btn:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        .pagination .page-btn.active {
            background-color: var(--color-ink);
            border-color: var(--color-ink);
            color: #fff;
        }

        .pagination .page-btn.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* 卖点区 */
        .features-section {
            background: #fff;
            border-top: 1px solid rgba(0, 0, 0, 0.04);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 24px;
        }

        .feature-card {
            border-radius: 12px;
            padding: 32px;
            background: var(--color-paper);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .feature-card:hover {
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.07);
            transform: translateY(-3px);
        }

        .feature-card.feature-main {
            background: #111827;
            color: #fff;
        }

        .feature-card.feature-main .feature-title {
            color: #fff;
        }

        .feature-card.feature-main .feature-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(176, 141, 87, 0.15);
            margin-bottom: 18px;
        }

        .feature-card.feature-main .feature-icon {
            background: rgba(176, 141, 87, 0.3);
        }

        .feature-card .feature-icon svg {
            width: 24px;
            height: 24px;
            color: var(--color-gold);
        }

        .feature-card .feature-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }

        .feature-card .feature-desc {
            font-size: 0.88rem;
            color: var(--color-text-sub);
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 适用场景 */
        .scenario-section {
            background: var(--color-paper);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .scenario-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            border-radius: 12px;
            padding: 28px;
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.25s ease;
        }

        .scenario-item:hover {
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
        }

        .scenario-item .scenario-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: rgba(176, 141, 87, 0.4);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .scenario-item .scenario-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .scenario-item .scenario-body p {
            font-size: 0.86rem;
            color: var(--color-text-sub);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(0, 0, 0, 0.08);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 4px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-ink);
            cursor: pointer;
            transition: color 0.2s ease;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--color-gold);
        }

        .faq-question .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: "";
            position: absolute;
            background-color: currentColor;
            border-radius: 2px;
            transition: transform 0.3s ease;
        }

        .faq-question .faq-icon::before {
            width: 2px;
            height: 16px;
            top: 2px;
            left: 9px;
        }

        .faq-question .faq-icon::after {
            width: 16px;
            height: 2px;
            top: 9px;
            left: 2px;
        }

        .faq-item.open .faq-question .faq-icon::before {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 0.9rem;
            color: var(--color-text-sub);
            line-height: 1.7;
            padding: 0 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 4px 24px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            background: linear-gradient(rgba(17, 24, 39, 0.88), rgba(17, 24, 39, 0.9)), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 80px 0;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            max-width: 640px;
            margin: 0 auto 16px;
            line-height: 1.3;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            background-color: #fff;
            color: var(--color-ink);
            font-weight: 700;
        }

        .cta-section .btn-primary:hover {
            filter: brightness(0.95);
            box-shadow: 0 6px 20px rgba(255, 255, 255, 0.15);
        }

        /* 动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.6s ease both;
        }

        .scroll-fade {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .scroll-fade.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 隐藏卡片动画 */
        .content-card {
            transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.3s ease;
        }

        .content-card.hidden-card {
            display: none;
        }