/* roulang page: index */
:root {
    --primary: #0E3B2E;
    --primary-light: #0D5C3F;
    --accent: #C9A86C;
    --accent-light: #D4BC8A;
    --bg: #F7F5F1;
    --white: #FFFFFF;
    --text: #1C2B23;
    --muted: #6B7B72;
    --border: #E9E3DA;
    --danger: #B0523C;
    --radius-lg: 1.25rem;
    --radius-md: 0.75rem;
    --radius-sm: 0.5rem;
    --shadow-sm: 0 8px 30px rgba(14, 59, 46, 0.06);
    --shadow-md: 0 16px 40px rgba(14, 59, 46, 0.12);
    --shadow-gold: 0 6px 20px rgba(201, 168, 108, 0.25);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4 {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    color: var(--text);
    letter-spacing: 0.02em;
  }

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

  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  }

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

  input, select, textarea {
    font-family: inherit;
    font-size: 15px;
    color: var(--text);
    outline: none;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
  }

  @media (max-width: 768px) {
    .container {
      padding: 0 20px;
    }
  }

  /* ===== 导航 ===== */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow 0.3s ease;
  }

  .site-header.scrolled {
    box-shadow: var(--shadow-sm);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }

  .site-logo {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    font-size: 21px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }

  .site-logo i {
    width: 38px;
    height: 38px;
    border: 1.5px solid var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 16px;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: rgba(28, 43, 35, 0.72);
    padding: 8px 2px;
    white-space: nowrap;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
  }

  .nav-link:hover {
    color: var(--accent);
  }

  .nav-link:hover::after {
    width: 20px;
  }

  .nav-link.active {
    color: var(--primary);
    font-weight: 600;
  }

  .nav-link.active::after {
    width: 20px;
    background: var(--accent);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .header-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 15px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
  }

  .header-icon-btn:hover {
    background: rgba(201, 168, 108, 0.15);
    color: var(--accent);
  }

  .header-icon-btn:focus-visible {
    outline: 3px solid rgba(201, 168, 108, 0.4);
  }

  .menu-toggle {
    display: none;
  }

  @media (max-width: 1024px) {
    .main-nav {
      position: fixed;
      top: 80px;
      left: 0;
      right: 0;
      background: var(--white);
      flex-direction: column;
      align-items: flex-start;
      padding: 20px 40px;
      gap: 4px;
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transform: translateY(-120%);
      opacity: 0;
      visibility: hidden;
      transition: all 0.35s ease;
    }

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

    .nav-link {
      width: 100%;
      padding: 12px 0;
      font-size: 15px;
      border-bottom: 1px solid rgba(233, 227, 218, 0.5);
    }

    .nav-link::after {
      display: none;
    }

    .menu-toggle {
      display: flex;
      width: 40px;
      height: 40px;
      border-radius: 10px;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      border: 1px solid var(--border);
    }

    .menu-toggle:focus-visible {
      outline: 3px solid rgba(201, 168, 108, 0.4);
    }
  }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
  }

  .btn:focus-visible {
    outline: 3px solid rgba(201, 168, 108, 0.4);
    outline-offset: 2px;
  }

  .btn:active {
    transform: scale(0.98);
  }

  .btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-sm);
  }

  .btn-primary:hover {
    background: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }

  .btn-outline {
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
  }

  .btn-outline:hover {
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
    box-shadow: var(--shadow-gold);
    border-color: transparent;
  }

  .btn-gold {
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
    box-shadow: var(--shadow-gold);
  }

  .btn-gold:hover {
    background: linear-gradient(135deg, #D4BC8A, #C9A86C);
    box-shadow: 0 8px 28px rgba(201, 168, 108, 0.35);
    transform: translateY(-2px);
  }

  .btn-sm {
    height: 40px;
    padding: 0 18px;
    font-size: 14px;
  }

  /* ===== Hero ===== */
  .hero {
    position: relative;
    background: linear-gradient(135deg, #0E3B2E, #0D5C3F, #0B3B2A);
    padding: 160px 0 100px;
    overflow: hidden;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.25;
  }

  .hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
  }

  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
  }

  .hero-copy h1 {
    font-size: 44px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
  }

  .hero-copy h1 .gold-text {
    background: linear-gradient(135deg, #D4BC8A, #F0DFB8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-sub {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
    max-width: 520px;
    margin-bottom: 36px;
  }

  .hero-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .hero-visual {
    position: relative;
  }

  .hero-visual-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }

  .hero-visual-card img {
    border-radius: 0.75rem;
    width: 100%;
    height: 260px;
    object-fit: cover;
  }

  .hero-badges {
    position: relative;
    z-index: 3;
    display: flex;
    gap: 16px;
    margin-top: 56px;
    flex-wrap: wrap;
  }

  .badge-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 10px 22px;
    box-shadow: var(--shadow-sm);
  }

  .badge-pill .badge-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }

  .badge-pill .badge-text {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.4;
  }

  .badge-pill .badge-text strong {
    display: block;
    font-size: 16px;
    color: var(--text);
    font-family: 'Noto Serif SC', serif;
  }

  @media (max-width: 1024px) {
    .hero-inner {
      grid-template-columns: 1fr;
      gap: 40px;
    }

    .hero-copy h1 {
      font-size: 38px;
    }
  }

  @media (max-width: 520px) {
    .hero {
      padding: 130px 0 70px;
    }

    .hero-copy h1 {
      font-size: 32px;
    }

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

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

  /* ===== 通用板块标题 ===== */
  .section {
    padding: 88px 0;
  }

  @media (max-width: 768px) {
    .section {
      padding: 56px 0;
    }
  }

  .section-head {
    text-align: center;
    margin-bottom: 56px;
  }

  .section-head .gold-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #C9A86C, #D4BC8A);
    border-radius: 2px;
    margin: 0 auto 20px;
  }

  .section-head h2 {
    font-size: 32px;
    line-height: 1.4;
    font-weight: 700;
    margin-bottom: 12px;
  }

  .section-head p {
    color: var(--muted);
    font-size: 15px;
    max-width: 640px;
    margin: 0 auto;
  }

  @media (max-width: 768px) {
    .section-head h2 {
      font-size: 26px;
    }
  }

  /* ===== 优惠阶梯 ===== */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  @media (max-width: 1024px) {
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 640px) {
    .steps-grid {
      grid-template-columns: 1fr;
    }
  }

  .step-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
  }

  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
  }

  .step-card .step-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 18px;
  }

  .step-card .step-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(14, 59, 46, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 22px;
  }

  .step-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
  }

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

  .step-card .step-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
  }

  .step-card .step-link i {
    transition: transform 0.3s ease;
  }

  .step-card .step-link:hover i {
    transform: translateX(4px);
  }

  .step-card.featured {
    border: 1.5px solid var(--accent);
    box-shadow: var(--shadow-gold);
  }

  .step-card .badge-top {
    position: absolute;
    top: 18px;
    right: 18px;
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
  }

  /* ===== 套餐对比 ===== */
  .compare-section {
    background: var(--white);
  }

  .compare-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
  }

  @media (max-width: 1024px) {
    .compare-grid {
      grid-template-columns: 1fr;
      max-width: 520px;
      margin: 0 auto;
    }
  }

  .compare-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
  }

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

  .compare-card .plan-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 24px;
  }

  .compare-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 6px;
  }

  .compare-card .plan-price {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 18px;
  }

  .compare-card ul {
    list-style: none;
    flex: 1;
    margin-bottom: 28px;
  }

  .compare-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--muted);
    padding: 7px 0;
    line-height: 1.6;
  }

  .compare-card ul li i {
    color: var(--accent);
    font-size: 13px;
    margin-top: 5px;
  }

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

  .compare-card.recommend {
    background: var(--primary);
    border: 1.5px solid var(--accent);
    box-shadow: var(--shadow-gold);
  }

  .compare-card.recommend h3,
  .compare-card.recommend .plan-price {
    color: var(--white);
  }

  .compare-card.recommend ul li {
    color: rgba(255, 255, 255, 0.82);
  }

  .compare-card.recommend ul li i {
    color: var(--accent-light);
  }

  .compare-card.recommend .plan-icon {
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
  }

  .compare-card .recommend-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #C9A86C, #D4BC8A);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 999px;
    white-space: nowrap;
  }

  /* ===== 限时入口 ===== */
  .promo-banner {
    background: linear-gradient(135deg, #0E3B2E, #0D5C3F, #0B3B2A);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
  }

  .promo-banner::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -40px;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .promo-banner::after {
    content: '';
    position: absolute;
    top: -40px;
    right: 20px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .promo-content {
    position: relative;
    z-index: 2;
    flex: 1 1 320px;
  }

  .promo-content h2 {
    color: var(--white);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
  }

  .promo-content p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .promo-timer-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
  }

  .timer-box {
    background: var(--white);
    border-radius: var(--radius-md);
    min-width: 60px;
    padding: 12px 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
  }

  .timer-box .num {
    font-family: 'Noto Serif SC', serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
  }

  .timer-box .label {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
  }

  .timer-sep {
    font-size: 22px;
    color: var(--accent);
    font-weight: 700;
  }

  .promo-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--danger);
    font-size: 13px;
  }

  .promo-cta {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
  }

  @media (max-width: 768px) {
    .promo-banner {
      padding: 36px 28px;
      flex-direction: column;
      align-items: flex-start;
    }

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

  /* ===== 资讯列表 ===== */
  .news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 860px;
    margin: 0 auto;
  }

  .news-item {
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    position: relative;
    transition: all 0.3s ease;
  }

  .news-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20px;
    bottom: 20px;
    width: 3px;
    background: var(--accent);
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--accent);
  }

  .news-item:hover::before {
    opacity: 1;
  }

  .news-item-left {
    flex: 1;
  }

  .news-tag {
    display: inline-block;
    background: #F0EDE6;
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 12px;
    border-radius: 999px;
    margin-bottom: 6px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
  }

  .news-item:hover .news-tag {
    border-color: var(--accent);
  }

  .news-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 4px;
    transition: color 0.3s ease;
  }

  .news-item:hover .news-title {
    color: var(--accent);
  }

  .news-excerpt {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .news-item-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
  }

  .news-date {
    font-size: 13px;
    color: var(--muted);
    white-space: nowrap;
  }

  .news-arrow {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 13px;
    transition: all 0.3s ease;
  }

  .news-item:hover .news-arrow {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
  }

  .news-empty {
    text-align: center;
    padding: 48px 20px;
    background: var(--white);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    color: var(--muted);
    font-size: 15px;
  }

  @media (max-width: 640px) {
    .news-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      padding: 20px;
    }

    .news-item-right {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
  }

  .news-more {
    text-align: center;
    margin-top: 36px;
  }

  /* ===== FAQ ===== */
  .faq-list {
    max-width: 760px;
    margin: 0 auto;
  }

  .faq-item {
    border-bottom: 1px solid var(--border);
    padding: 6px 0;
  }

  .faq-item:first-child {
    border-top: 1px solid var(--border);
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding: 22px 8px;
    list-style: none;
    position: relative;
    transition: color 0.3s ease;
  }

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

  .faq-item summary:hover {
    color: var(--accent);
  }

  .faq-item summary .faq-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--primary);
    transition: all 0.3s ease;
    flex-shrink: 0;
  }

  .faq-item[open] summary {
    color: var(--accent);
  }

  .faq-item[open] summary::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 2px;
    background: var(--accent);
    border-radius: 2px;
  }

  .faq-item[open] summary .faq-toggle {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
    transform: rotate(45deg);
  }

  .faq-item .faq-answer {
    padding: 0 24px 22px 24px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.75;
  }

  /* ===== 咨询表单 ===== */
  .contact-section {
    background: var(--white);
  }

  .contact-card {
    max-width: 960px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
  }

  @media (max-width: 640px) {
    .contact-card {
      padding: 28px 20px;
    }
  }

  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  @media (max-width: 640px) {
    .form-grid {
      grid-template-columns: 1fr;
    }
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .form-group.full {
    grid-column: 1 / -1;
  }

  .form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
  }

  .form-control {
    height: 48px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: #FBFAF8;
    padding: 0 16px;
    font-size: 15px;
    transition: all 0.3s ease;
    width: 100%;
  }

  .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.25);
    background: var(--white);
  }

  textarea.form-control {
    height: auto;
    min-height: 120px;
    padding: 14px 16px;
    resize: vertical;
  }

  .form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none' stroke='%236B7B72' stroke-width='2'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
  }

  .form-submit {
    margin-top: 24px;
    width: 100%;
  }

  .form-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--muted);
    text-align: center;
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 0;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
  }

  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }

  .footer-brand .footer-logo {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
  }

  .footer-brand .footer-logo i {
    color: var(--accent);
    font-size: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.72);
    max-width: 320px;
  }

  .footer-col h4 {
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
  }

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

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

  .footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
  }

  .footer-col ul li a:hover {
    color: var(--accent);
  }

  .footer-contact .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    margin-bottom: 14px;
    color: rgba(255, 255, 255, 0.7);
  }

  .footer-contact .contact-item i {
    color: var(--accent);
    margin-top: 5px;
    width: 16px;
    text-align: center;
  }

  .footer-contact .contact-item .phone-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    color: var(--white);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
  }

  /* ===== 移动端 ===== */
  @media (max-width: 768px) {
    .site-header {
      height: 64px;
    }

    .main-nav {
      top: 64px;
    }

    .site-logo {
      font-size: 18px;
    }

    .site-logo i {
      width: 32px;
      height: 32px;
      font-size: 14px;
    }

    .section {
      padding: 56px 0;
    }
  }

  @media (max-width: 520px) {
    .btn {
      width: 100%;
      padding: 0 16px;
    }

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

    .compare-grid {
      gap: 20px;
    }
  }

  /* ===== 图片占位保护 ===== */
  .img-fallback {
    background: #E9E3DA;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
  }

/* roulang page: category1 */
:root {
    --brand-dark: #0E3B2E;
    --brand-green: #0D5C3F;
    --brand-deep: #0B3B2A;
    --gold: #C9A86C;
    --gold-light: #D4BC8A;
    --bg-cream: #F7F5F1;
    --card-bg: #FFFFFF;
    --text-ink: #1C2B23;
    --text-muted: #6B7B72;
    --border-line: #E9E3DA;
    --alert: #B0523C;
    --radius-lg: 1.25rem;
    --radius-md: 0.75rem;
    --radius-sm: 0.5rem;
    --shadow-base: 0 8px 30px rgba(14, 59, 46, 0.06);
    --shadow-hover: 0 16px 40px rgba(14, 59, 46, 0.12);
    --shadow-gold: 0 6px 20px rgba(201, 168, 108, 0.25);
  }

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

  html { scroll-behavior: smooth; }

  body {
    background: var(--bg-cream);
    color: var(--text-ink);
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3, h4 {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    line-height: 1.3;
    letter-spacing: 0.02em;
  }

  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { border: none; background: none; cursor: pointer; font: inherit; }
  ul { list-style: none; }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* ===== Header / Nav ===== */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-line);
    z-index: 100;
    transition: box-shadow .35s ease, background .35s ease;
  }

  .site-header.scrolled {
    box-shadow: var(--shadow-base);
    background: rgba(255, 255, 255, 0.98);
  }

  .header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--brand-dark);
    font-family: 'Noto Serif SC', serif;
    flex-shrink: 0;
  }

  .site-logo i {
    font-size: 22px;
    color: var(--gold);
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .nav-link {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: rgba(28, 43, 35, 0.72);
    padding: 8px 2px;
    transition: color .25s ease;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transform: translateX(-50%);
    transition: width .3s ease;
    border-radius: 2px;
  }

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

  .nav-link:hover::after {
    width: 20px;
  }

  .nav-link.active {
    color: var(--brand-dark);
    font-weight: 600;
  }

  .nav-link.active::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 50%;
    transform: translateX(-50%);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .header-icon-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--brand-dark);
    transition: background .25s ease, color .25s ease;
  }

  .header-icon-btn:hover {
    background: rgba(201, 168, 108, 0.16);
    color: var(--gold);
  }

  .header-icon-btn:focus-visible {
    outline: 3px solid rgba(201, 168, 108, 0.4);
    outline-offset: 2px;
  }

  .menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--brand-dark);
    border-radius: 10px;
    transition: background .25s ease;
  }

  .menu-toggle:hover {
    background: rgba(14, 59, 46, 0.06);
  }

  /* ===== Buttons ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all .3s ease;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn i { font-size: 13px; transition: transform .3s ease; }

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

  .btn-primary:hover {
    background: var(--brand-green);
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
  }

  .btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
  }

  .btn-outline:hover {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--brand-dark);
    border-color: transparent;
    box-shadow: var(--shadow-gold);
  }

  .btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--brand-dark);
  }

  .btn-gold:hover {
    box-shadow: var(--shadow-gold);
    filter: brightness(1.05);
    transform: translateY(-1px);
  }

  .btn-sm { height: 38px; padding: 0 20px; font-size: 14px; }

  .btn:focus-visible {
    outline: 3px solid rgba(201, 168, 108, 0.4);
    outline-offset: 2px;
  }

  .btn:active { transform: scale(0.98); }

  /* ===== Hero ===== */
  .hero-section {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--brand-dark);
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.55;
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 59, 46, 0.92) 0%, rgba(13, 92, 63, 0.78) 55%, rgba(11, 59, 42, 0.5) 100%);
  }

  .hero-content {
    position: relative;
    z-index: 2;
    padding: 140px 0 80px;
  }

  .breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 24px;
  }

  .breadcrumb a { color: rgba(255, 255, 255, 0.65); transition: color .25s; }
  .breadcrumb a:hover { color: var(--gold); }
  .breadcrumb .sep { opacity: 0.5; }

  .hero-title {
    color: #fff;
    font-size: 44px;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 20px;
  }

  .hero-title .highlight {
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-sub {
    color: rgba(255, 255, 255, 0.82);
    font-size: 17px;
    line-height: 1.8;
    max-width: 540px;
    margin-bottom: 36px;
  }

  .hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  .hero-stats {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 56px;
  }

  .hero-stat {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(233, 227, 218, 0.9);
    border-radius: 999px;
    padding: 12px 22px;
    box-shadow: var(--shadow-base);
  }

  .hero-stat .stat-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
    white-space: nowrap;
  }

  .hero-stat .stat-label {
    font-size: 13px;
    color: var(--text-muted);
  }

  /* ===== Section Tag ===== */
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--gold);
    text-transform: uppercase;
  }

  .section-tag::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
  }

  /* ===== Split section ===== */
  .split-section {
    padding: 88px 0;
  }

  .split-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    position: relative;
  }

  .split-image::before {
    content: '';
    display: block;
    padding-bottom: 82%;
  }

  .split-image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .split-content h2 {
    font-size: 32px;
    margin-top: 16px;
    margin-bottom: 24px;
    color: var(--brand-dark);
  }

  .split-content p {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-muted);
    margin-bottom: 20px;
  }

  .split-list {
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .split-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    font-size: 15px;
    color: var(--text-ink);
    font-weight: 500;
  }

  .split-list li i {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(201, 168, 108, 0.15);
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 3px;
  }

  /* ===== Scene section ===== */
  .scene-section {
    background: #fff;
    border-top: 1px solid var(--border-line);
    border-bottom: 1px solid var(--border-line);
    padding: 88px 0;
  }

  .scene-section .section-head {
    max-width: 620px;
    margin-bottom: 48px;
  }

  .scene-section .section-head h2 {
    font-size: 32px;
    color: var(--brand-dark);
    margin-top: 14px;
  }

  .scene-section .section-head p {
    font-size: 15px;
    color: var(--text-muted);
    margin-top: 12px;
  }

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

  .scene-card {
    background: var(--bg-cream);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
  }

  .scene-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--gold);
  }

  .scene-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--brand-dark);
    margin-bottom: 20px;
  }

  .scene-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--brand-dark);
  }

  .scene-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
  }

  .scene-main {
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: #fff;
  }

  .scene-main:hover {
    border-color: var(--gold);
    background: linear-gradient(135deg, var(--brand-dark), var(--brand-green));
  }

  .scene-main h3 { color: #fff; font-size: 24px; }
  .scene-main p { color: rgba(255, 255, 255, 0.75); font-size: 15px; }
  .scene-main .card-icon {
    background: rgba(255, 255, 255, 0.12);
    color: var(--gold-light);
  }

  /* ===== Steps section ===== */
  .steps-section {
    position: relative;
    padding: 88px 0;
    background-color: var(--brand-dark);
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
  }

  .steps-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 59, 46, 0.94), rgba(11, 59, 42, 0.88));
  }

  .steps-section .container {
    position: relative;
    z-index: 2;
  }

  .steps-section .section-tag { color: var(--gold-light); }
  .steps-section .section-tag::before { background: var(--gold-light); }

  .steps-section .section-head h2 {
    color: #fff;
    font-size: 32px;
    margin-top: 14px;
    margin-bottom: 16px;
  }

  .steps-section .section-head p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    max-width: 520px;
  }

  .steps-list {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .step-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    backdrop-filter: blur(4px);
    transition: background .3s ease, border-color .3s ease, transform .3s ease;
  }

  .step-item:hover {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(201, 168, 108, 0.5);
    transform: translateX(6px);
  }

  .step-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1;
    min-width: 52px;
  }

  .step-content h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 8px;
  }

  .step-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.8;
  }

  /* ===== FAQ ===== */
  .faq-section {
    padding: 88px 0;
  }

  .faq-section .section-head {
    max-width: 620px;
    margin-bottom: 40px;
  }

  .faq-section .section-head h2 {
    font-size: 32px;
    color: var(--brand-dark);
    margin-top: 14px;
  }

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

  .faq-item {
    border-bottom: 1px solid var(--border-line);
    transition: border-color .3s ease;
  }

  .faq-item:first-child {
    border-top: 1px solid var(--border-line);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-ink);
    text-align: left;
    transition: color .3s ease;
  }

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

  .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    transition: transform .35s ease, background .35s ease, color .35s ease;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
  }

  .faq-answer p {
    padding: 0 8px 24px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.85;
    max-width: 760px;
  }

  .faq-item.active {
    border-left: 2px solid var(--gold);
    padding-left: 12px;
  }

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

  .faq-item.active .faq-answer { max-height: 400px; }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, var(--brand-dark), var(--brand-green), var(--brand-deep));
    padding: 72px 0;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -100px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    border: 2px solid rgba(201, 168, 108, 0.25);
  }

  .cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
  }

  .cta-text h2 {
    color: #fff;
    font-size: 30px;
    margin-bottom: 10px;
  }

  .cta-text p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--brand-dark);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 72px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 16px;
  }

  .footer-logo i { color: var(--gold); font-size: 20px; }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
  }

  .footer-col ul { display: flex; flex-direction: column; gap: 12px; }

  .footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    transition: color .25s ease, padding-left .25s ease;
  }

  .footer-col ul li a:hover {
    color: var(--gold);
    padding-left: 4px;
  }

  .footer-contact .contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 14px;
  }

  .footer-contact .contact-item i {
    color: var(--gold);
    width: 18px;
    text-align: center;
  }

  .phone-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
  }

  .footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }

  .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
  }

  /* ===== Responsive ===== */
  @media (max-width: 1023px) {
    .main-nav {
      position: fixed;
      top: 80px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: flex-start;
      padding: 24px 20px 32px;
      gap: 18px;
      border-bottom: 1px solid var(--border-line);
      box-shadow: var(--shadow-base);
      display: none;
      z-index: 99;
    }

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

    .nav-link { font-size: 16px; padding: 6px 0; }

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

    .hero-title { font-size: 36px; }
    .hero-section { min-height: 600px; }
    .hero-stats { gap: 12px; }

    .scene-grid { grid-template-columns: 1fr; }
    .scene-main { grid-row: auto; }

    .steps-section { background-attachment: scroll; }

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

    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
  }

  @media (max-width: 767px) {
    .site-header { height: 64px; }
    .main-nav { top: 64px; }
    .site-logo { font-size: 17px; }
    .site-logo i { font-size: 18px; }
    .header-icon-btn { display: none; }
    .header-actions .btn-sm { display: none; }

    .container { padding-left: 16px; padding-right: 16px; }

    .hero-content { padding-top: 110px; padding-bottom: 56px; }
    .hero-title { font-size: 32px; }
    .hero-sub { font-size: 16px; }
    .hero-cta-group { flex-direction: column; width: 100%; }
    .hero-cta-group .btn { width: 100%; }
    .hero-stats { padding-bottom: 40px; }
    .hero-stat { padding: 10px 16px; }
    .hero-stat .stat-num { font-size: 18px; }

    .split-section, .scene-section, .steps-section, .faq-section { padding: 56px 0; }
    .split-content h2 { font-size: 26px; }
    .scene-section .section-head h2, .faq-section .section-head h2, .steps-section .section-head h2 { font-size: 26px; }

    .scene-grid { grid-template-columns: 1fr; }
    .scene-card { padding: 28px; }

    .step-item { flex-direction: column; gap: 12px; padding: 24px; }
    .step-num { font-size: 30px; }

    .faq-question { font-size: 15px; padding: 20px 4px; }

    .cta-inner { flex-direction: column; }
    .cta-text h2 { font-size: 26px; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
  }

  @media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .hero-sub { font-size: 15px; }
    .hero-stat { flex-direction: column; align-items: flex-start; gap: 4px; border-radius: 16px; width: 100%; }
    .hero-stats { flex-direction: column; }
  }

/* roulang page: article */
:root {
            --primary: #0E3B2E;
            --primary-light: #0D5C3F;
            --primary-dark: #0B3B2A;
            --gold: #C9A86C;
            --gold-light: #D4BC8A;
            --bg-cream: #F7F5F1;
            --bg-white: #FFFFFF;
            --text-main: #1C2B23;
            --text-secondary: #6B7B72;
            --border: #E9E3DA;
            --danger: #B0523C;
            --radius: 1.25rem;
            --radius-sm: 0.75rem;
            --shadow: 0 8px 30px rgba(14, 59, 46, 0.06);
            --shadow-hover: 0 16px 40px rgba(14, 59, 46, 0.12);
            --shadow-gold: 0 6px 20px rgba(201, 168, 108, 0.25);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
            --font-sans: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-cream);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .3s, background .3s, box-shadow .3s, transform .3s, border-color .3s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 100;
            transition: box-shadow .3s, background .3s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--gold);
            font-size: 22px;
        }
        .main-nav {
            display: flex;
            gap: 28px;
            align-items: center;
        }
        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            color: rgba(28, 43, 35, 0.72);
            padding: 10px 0;
            letter-spacing: 0.02em;
            transition: color .3s;
        }
        .nav-link:hover {
            color: var(--gold);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 999px;
            background: var(--gold);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-icon-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--primary);
            font-size: 15px;
            transition: background .3s, color .3s;
        }
        .header-icon-btn:hover {
            background: rgba(201, 168, 108, 0.2);
            color: var(--gold);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 0.5rem;
            font-size: 15px;
            font-weight: 500;
            transition: all .3s;
            line-height: 1;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--bg-white);
            box-shadow: var(--shadow);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(201, 168, 108, 0.4);
            outline-offset: 2px;
        }
        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--primary);
            font-size: 18px;
            transition: background .3s;
        }
        .menu-toggle:hover {
            background: rgba(201, 168, 108, 0.18);
        }

        /* 面包屑 */
        .article-breadcrumb-zone {
            padding: 132px 0 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            color: #bdbdb0;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* 文章主体 */
        .article-main {
            max-width: 960px;
            margin: 0 auto;
            padding: 32px 0 64px;
        }
        .article-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 36px;
        }
        .article-cat {
            display: inline-block;
            padding: 5px 18px;
            background: rgba(201, 168, 108, 0.15);
            border-radius: 999px;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 18px;
            border: 1px solid rgba(201, 168, 108, 0.25);
        }
        .article-title {
            font-family: var(--font-serif);
            font-size: 40px;
            line-height: 1.35;
            color: var(--primary);
            font-weight: 700;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-top: 20px;
            color: var(--text-secondary);
            font-size: 13px;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--gold);
            font-size: 14px;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-main);
        }
        .article-body p {
            margin-bottom: 24px;
        }
        .article-body h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 20px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 600;
            color: var(--primary);
            margin: 36px 0 16px;
            line-height: 1.4;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 24px 20px;
            padding-left: 8px;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 10px;
            padding-left: 6px;
        }
        .article-body ul li::marker {
            color: var(--gold);
        }
        .article-body blockquote {
            border-left: 3px solid var(--gold);
            background: var(--bg-cream);
            padding: 20px 24px;
            border-radius: 0 0.75rem 0.75rem 0;
            margin: 28px 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .article-body img {
            border-radius: 1rem;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--primary-light);
            border-bottom: 1px solid rgba(13, 92, 63, 0.3);
            padding-bottom: 1px;
        }
        .article-body a:hover {
            color: var(--gold);
            border-color: var(--gold);
        }
        .article-body code {
            background: #F0EDE6;
            border-radius: 4px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--primary);
        }

        .article-tags {
            max-width: 760px;
            margin: 40px auto 0;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .article-tag {
            padding: 6px 16px;
            background: #F0EDE6;
            border-radius: 999px;
            font-size: 12px;
            color: var(--primary);
            border: 1px solid transparent;
            transition: all .3s;
        }
        .article-tag:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* 空状态 */
        .article-empty {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 0 60px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .article-empty i {
            font-size: 44px;
            color: var(--gold);
            margin-bottom: 16px;
        }
        .article-empty h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 24px;
        }

        /* 相关推荐 */
        .related-section {
            padding: 72px 0 32px;
        }
        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 36px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--primary);
            position: relative;
            padding-bottom: 12px;
            font-weight: 700;
        }
        .section-head h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--gold);
        }
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: color .3s, gap .3s;
        }
        .link-more:hover {
            color: var(--gold);
            gap: 10px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: 1rem;
            border: 1px solid var(--border);
            padding: 24px;
            transition: all .3s;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .related-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold);
            opacity: 0;
            transition: opacity .3s;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--gold);
        }
        .related-card:hover::before {
            opacity: 1;
        }
        .related-thumb {
            width: 72px;
            height: 72px;
            border-radius: 0.75rem;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            background-color: #EFEAE2;
            border: 1px solid var(--border);
        }
        .related-body {
            min-width: 0;
        }
        .related-tag {
            font-size: 12px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .related-body h3 {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-top: 6px;
            line-height: 1.5;
            transition: color .3s;
        }
        .related-card:hover .related-body h3 {
            color: var(--gold);
        }
        .related-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section {
            padding: 64px 0 32px;
        }
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 16px 32px;
            box-shadow: var(--shadow);
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 20px 0;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: color .3s;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-question.active {
            color: var(--gold);
        }
        .faq-icon {
            font-size: 18px;
            color: var(--gold);
            transition: transform .3s;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid rgba(201, 168, 108, 0.6);
            border-radius: 50%;
        }
        .faq-question.active .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 32px 0 0;
        }
        .faq-answer.open {
            max-height: 600px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 48px 0 80px;
        }
        .cta-band {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 52px 48px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(201, 168, 108, 0.2);
        }
        .cta-band::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 168, 108, 0.08);
        }
        .cta-band h2 {
            color: #fff;
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            position: relative;
        }
        .cta-band p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin-top: 8px;
            position: relative;
            max-width: 480px;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-light));
            color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-gold);
            position: relative;
        }
        .btn-gold:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 168, 108, 0.35);
            color: var(--primary);
        }
        .btn-gold:active {
            transform: scale(0.98);
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-logo i {
            color: var(--gold);
        }
        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.8;
            opacity: 0.75;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col a {
            font-size: 14px;
            opacity: 0.8;
            transition: opacity .3s, color .3s;
        }
        .footer-col a:hover {
            color: var(--gold);
            opacity: 1;
        }
        .footer-contact .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            opacity: 0.85;
        }
        .footer-contact i {
            color: var(--gold);
            width: 16px;
            font-size: 14px;
        }
        .footer-contact .phone-num {
            font-size: 16px;
            font-family: var(--font-serif);
            font-weight: 600;
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            opacity: 0.7;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 40px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: all .3s;
            }
            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .main-nav .nav-link {
                padding: 10px 0;
                width: 100%;
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 20px;
            }
            .site-header {
                height: 64px;
            }
            .main-nav {
                top: 64px;
                padding: 20px;
            }
            .site-logo {
                font-size: 17px;
            }
            .site-logo i {
                font-size: 18px;
            }
            .header-actions .btn-sm {
                display: none;
            }
            .article-breadcrumb-zone {
                padding: 100px 0 0;
            }
            .article-title {
                font-size: 30px;
            }
            .article-main {
                padding: 24px 0 48px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-band {
                padding: 36px 24px;
            }
            .cta-band h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .faq-wrapper {
                padding: 8px 20px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .article-meta {
                gap: 14px;
                flex-direction: column;
                align-items: center;
            }
        }

        @media (max-width: 520px) {
            .related-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .related-thumb {
                width: 100%;
                height: 140px;
            }
            .breadcrumb .current {
                max-width: 220px;
            }
            .header-icon-btn {
                width: 34px;
                height: 34px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0E3B2E;
            --primary-light: #0D5C3F;
            --accent: #C9A86C;
            --accent-light: #D4BC8A;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text: #1C2B23;
            --text-secondary: #6B7B72;
            --border: #E9E3DA;
            --warning: #B0523C;
            --radius-lg: 1.25rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-base: 0 8px 30px rgba(14, 59, 46, 0.06);
            --shadow-hover: 0 16px 40px rgba(14, 59, 46, 0.12);
            --shadow-accent: 0 6px 20px rgba(201, 168, 108, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, .font-serif-cn {
            font-family: 'Noto Serif SC', 'Songti SC', serif;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 80px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-base);
        }

        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            font-family: 'Noto Serif SC', serif;
            font-weight: 700;
            font-size: 18px;
            white-space: nowrap;
        }

        .site-logo i {
            font-size: 22px;
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            opacity: 0.72;
            padding: 6px 0;
            position: relative;
            transition: color 0.3s, opacity 0.3s;
        }

        .nav-link:hover {
            color: var(--accent);
            opacity: 1;
        }

        .nav-link:hover::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-link.active {
            opacity: 1;
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
        }

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

        .header-icon-btn {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            border-radius: 50%;
            color: var(--text);
            font-size: 15px;
            cursor: pointer;
            transition: background 0.3s, color 0.3s;
        }

        .header-icon-btn:hover {
            background: rgba(201, 168, 108, 0.18);
            color: var(--accent);
        }

        .menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            font-size: 18px;
            color: var(--text);
            cursor: pointer;
            border-radius: 8px;
        }

        .menu-toggle:hover {
            background: rgba(201, 168, 108, 0.12);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            font-family: 'Inter', sans-serif;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(14, 59, 46, 0.2);
        }

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

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(201, 168, 108, 0.4);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }

        .btn-secondary:hover {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            box-shadow: var(--shadow-accent);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            box-shadow: var(--shadow-accent);
        }

        .btn-gold:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 108, 0.35);
        }

        .btn-sm {
            height: 38px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: flex-end;
            padding: 120px 0 0;
            overflow: hidden;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #0B3B2A 100%);
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 1;
        }

        .category-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 59, 46, 0.7) 0%, transparent 70%);
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 0 40px 72px;
            width: 100%;
            text-align: center;
        }

        .category-hero-content h1 {
            font-size: clamp(32px, 5vw, 44px);
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero-content p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 8px 18px;
            color: #fff;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-badge i {
            color: var(--accent);
        }

        /* ===== Section common ===== */
        .section {
            padding: 88px 0;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head .section-label {
            font-family: 'Inter', sans-serif;
            font-size: 13px;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }

        .section-head h2 {
            font-size: clamp(28px, 3vw, 32px);
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-head h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 2px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            border-radius: 2px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 640px;
            line-height: 1.75;
        }

        /* ===== Asymmetric Split ===== */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 48px;
        }

        @media (min-width: 1024px) {
            .split-layout {
                grid-template-columns: 0.9fr 1.1fr;
                gap: 64px;
                align-items: center;
            }
        }

        .split-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-base);
            height: 100%;
            min-height: 320px;
        }

        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }

        .split-image:hover img {
            transform: scale(1.02);
        }

        .split-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 48px 24px 24px;
            background: linear-gradient(to top, rgba(14, 59, 46, 0.75), transparent);
            color: #fff;
        }

        .split-image-overlay .badge-num {
            font-size: 32px;
            font-weight: 700;
            font-family: 'Noto Serif SC', serif;
            color: var(--accent);
        }

        .split-text h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text);
        }

        .split-text p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .split-text p strong {
            color: var(--primary);
        }

        .feature-line-list {
            margin-top: 20px;
            list-style: none;
        }

        .feature-line-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text);
        }

        .feature-line-list li:last-child {
            border-bottom: none;
        }

        .feature-line-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 14px;
        }

        /* ===== Member tier cards ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 48px;
        }

        @media (min-width: 768px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .tier-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: box-shadow 0.3s, border-color 0.3s, transform 0.3s;
            position: relative;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .tier-card.featured {
            border: 1.5px solid var(--accent);
            box-shadow: var(--shadow-accent);
        }

        .tier-card .tier-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--primary);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .tier-card .tier-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            display: block;
        }

        .tier-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .tier-card p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 16px;
        }

        .tier-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .tier-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-size: 14px;
        }

        .tier-list li i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ===== Process timeline ===== */
        .process-section {
            background: var(--primary);
            padding: 88px 0;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 1px solid rgba(201, 168, 108, 0.2);
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head h2::after {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
        }

        .process-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-top: 56px;
        }

        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .process-item {
            text-align: center;
            padding: 32px 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(4px);
            transition: background 0.3s, border-color 0.3s;
        }

        .process-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(201, 168, 108, 0.4);
        }

        .process-step {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            display: block;
        }

        .process-item h3 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .process-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.7;
        }

        .process-item .process-icon {
            width: 48px;
            height: 48px;
            background: rgba(201, 168, 108, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--accent);
            font-size: 18px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            padding: 4px 0;
            color: var(--text);
            user-select: none;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: 'Noto Serif SC', serif;
            transition: color 0.3s;
        }

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

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
            transition: transform 0.3s;
        }

        .faq-item.open .faq-question {
            color: var(--accent);
            border-left: 2px solid var(--accent);
            padding-left: 16px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-answer p {
            padding: 12px 0 4px;
            margin-left: 16px;
        }

        /* ===== CTA ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            position: relative;
            overflow: hidden;
            margin-top: 88px;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 1px solid rgba(201, 168, 108, 0.3);
        }

        .cta-banner h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            max-width: 500px;
            margin-bottom: 24px;
        }

        /* ===== Contact form ===== */
        .contact-section {
            padding: 88px 0;
        }

        .contact-card {
            background: var(--card-bg);
            max-width: 960px;
            margin: 0 auto;
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-base);
            border: 1px solid var(--border);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 28px;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            height: 48px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            background: #FBFAF8;
            padding: 0 16px;
            font-size: 14px;
            font-family: 'Inter', 'PingFang SC', sans-serif;
            color: var(--text);
            transition: border-color 0.3s, box-shadow 0.3s;
            width: 100%;
        }

        .form-group textarea {
            height: 120px;
            padding: 12px 16px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.25);
        }

        .form-note {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            }
        }

        .footer-brand .footer-logo {
            font-family: 'Noto Serif SC', serif;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
            font-family: 'Noto Serif SC', serif;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-contact .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact .contact-item i {
            color: var(--accent);
            font-size: 14px;
            width: 16px;
        }

        .footer-contact .contact-item .phone-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Mobile nav ===== */
        @media (max-width: 1023px) {
            .site-header {
                height: 64px;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 0 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-base);
                display: none;
                z-index: 99;
            }

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

            .main-nav .nav-link {
                padding: 14px 0;
                border-bottom: 1px solid var(--border);
                opacity: 1;
                font-size: 15px;
            }

            .main-nav .nav-link:last-child {
                border-bottom: none;
            }

            .main-nav .nav-link.active {
                color: var(--accent);
            }

            .main-nav .nav-link.active::after {
                left: 0;
                transform: none;
                width: 24px;
                height: 2px;
                border-radius: 2px;
                bottom: 4px;
                background: var(--accent);
            }

            .menu-toggle {
                display: flex;
            }

            .header-actions .btn-sm {
                display: none;
            }

            .category-hero {
                min-height: 460px;
            }

            .section {
                padding: 56px 0;
            }

            .process-section {
                padding: 56px 0;
            }

            .contact-section {
                padding: 56px 0;
            }

            .cta-banner {
                padding: 40px 24px;
                margin-top: 56px;
            }

            .contact-card {
                padding: 24px;
            }
        }

        @media (max-width: 640px) {
            .site-logo span {
                font-size: 15px;
            }

            .category-hero-content {
                padding: 0 20px 48px;
            }

            .category-hero-content p {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

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

            .hero-badges {
                flex-direction: column;
                align-items: center;
            }

            .tier-grid {
                gap: 16px;
            }

            .form-grid {
                gap: 16px;
            }

            .contact-card {
                padding: 20px;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0E3B2E;
            --primary-2: #0D5C3F;
            --accent: #C9A86C;
            --accent-2: #D4BC8A;
            --bg: #F7F5F1;
            --card-bg: #FFFFFF;
            --text: #1C2B23;
            --text-muted: #6B7B72;
            --border: #E9E3DA;
            --danger: #B0523C;
            --radius-lg: 1.25rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-base: 0 8px 30px rgba(14, 59, 46, 0.06);
            --shadow-hover: 0 16px 40px rgba(14, 59, 46, 0.12);
            --shadow-gold: 0 6px 20px rgba(201, 168, 108, 0.25);
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            color: var(--text);
            letter-spacing: 0.01em;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-heading h2 {
            font-size: 32px;
            font-weight: 700;
            position: relative;
            display: inline-block;
            margin-bottom: 14px;
        }

        .section-heading h2::after {
            content: '';
            display: block;
            width: 40px;
            height: 2px;
            background: var(--accent);
            margin: 14px auto 0;
            border-radius: 2px;
        }

        .section-heading p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto;
            margin-top: 12px;
        }

        @media (max-width: 640px) {
            .section-heading h2 {
                font-size: 26px;
            }
        }

        /* ========== Header ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 80px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: all .3s ease;
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .site-logo i {
            font-size: 24px;
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(28, 43, 35, 0.72);
            text-decoration: none;
            padding: 8px 2px;
            transition: color .3s ease;
        }

        .nav-link:hover {
            color: var(--accent);
        }

        .nav-link:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-icon-btn {
            width: 38px;
            height: 38px;
            border: none;
            background: transparent;
            border-radius: 50%;
            font-size: 15px;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .3s ease;
        }

        .header-icon-btn:hover {
            background: rgba(201, 168, 108, 0.15);
            color: var(--accent);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            background: transparent;
            border-radius: var(--radius-sm);
            font-size: 16px;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 1023px) {
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 8px;
                transform: translateY(-16px);
                opacity: 0;
                visibility: hidden;
                transition: all .3s ease;
                box-shadow: var(--shadow-hover);
            }

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

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

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

        @media (max-width: 480px) {
            .site-logo {
                font-size: 16px;
            }
            .site-logo i {
                font-size: 20px;
            }
            .header-inner {
                gap: 8px;
            }
            .header-actions {
                gap: 8px;
            }
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all .3s ease;
            white-space: nowrap;
        }

        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.4);
        }

        .btn:active {
            transform: scale(0.98);
        }

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

        .btn-primary:hover {
            background: var(--primary-2);
            box-shadow: 0 8px 24px rgba(14, 59, 46, 0.25);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
        }

        .btn-outline:hover {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: var(--primary);
            box-shadow: var(--shadow-gold);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            color: var(--primary);
        }

        .btn-gold:hover {
            box-shadow: var(--shadow-gold);
            filter: brightness(1.05);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 13px;
        }

        /* ========== 页面标题区 Hero ========== */
        .page-hero {
            background: linear-gradient(135deg, #0E3B2E 0%, #0D5C3F 50%, #0B3B2A 100%);
            padding: 160px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: 0.15;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 1px solid rgba(201, 168, 108, 0.25);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-tag {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-tag a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color .3s;
        }

        .breadcrumb-tag a:hover {
            color: var(--accent-2);
        }

        .breadcrumb-tag .sep {
            opacity: 0.5;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            max-width: 780px;
            margin-bottom: 20px;
        }

        .page-hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 140px 0 80px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ========== 数据徽章带 ========== */
        .badge-band-wrap {
            position: relative;
            z-index: 3;
            margin-top: -36px;
        }

        .badge-band {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow-base);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            padding: 28px 32px;
            gap: 16px;
        }

        .badge-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 8px 4px;
        }

        .badge-item + .badge-item {
            border-left: 1px solid var(--border);
        }

        .badge-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 30px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .badge-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        @media (max-width: 992px) {
            .badge-band {
                grid-template-columns: repeat(2, 1fr);
                padding: 24px;
                row-gap: 20px;
            }
            .badge-item:nth-child(3) {
                border-left: none;
            }
        }

        @media (max-width: 480px) {
            .badge-band-wrap {
                margin-top: -24px;
            }
            .badge-band {
                grid-template-columns: 1fr 1fr;
                padding: 20px;
                gap: 12px;
            }
            .badge-item {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .badge-num {
                font-size: 24px;
            }
            .badge-item + .badge-item {
                border-left: 1px solid var(--border);
            }
            .badge-item:nth-child(3) {
                border-left: none;
            }
        }

        /* ========== 图文交错区 ========== */
        .feature-alternate {
            padding: 88px 0 48px;
        }

        .alt-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

        .alt-row.reverse .alt-image {
            order: 2;
        }

        .alt-row.reverse .alt-content {
            order: 1;
        }

        .alt-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-base);
            background: #fff;
            aspect-ratio: 4 / 3;
            position: relative;
        }

        .alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .alt-image:hover img {
            transform: scale(1.03);
        }

        .alt-content {
            padding: 12px 0;
        }

        .alt-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 16px;
            padding: 6px 16px;
            background: rgba(201, 168, 108, 0.1);
            border: 1px solid rgba(201, 168, 108, 0.3);
            border-radius: 999px;
        }

        .alt-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .alt-content p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: all .3s ease;
        }

        .text-link i {
            transition: transform .3s ease;
            font-size: 12px;
        }

        .text-link:hover {
            color: var(--accent);
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .feature-alternate {
                padding: 56px 0 24px;
            }
            .alt-row {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 48px;
            }
            .alt-row.reverse .alt-image {
                order: 1;
            }
            .alt-row.reverse .alt-content {
                order: 2;
            }
            .alt-content h3 {
                font-size: 20px;
            }
        }

        /* ========== 功能矩阵 ========== */
        .feature-matrix {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 88px 0;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .matrix-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all .3s ease;
        }

        .matrix-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-base);
            transform: translateY(-4px);
        }

        .matrix-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(201, 168, 108, 0.15), rgba(212, 188, 138, 0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 20px;
            color: var(--accent);
        }

        .matrix-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .matrix-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 流程区 ========== */
        .process-section {
            padding: 88px 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-base);
            transition: all .3s ease;
        }

        .process-step:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 36px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent), var(--accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 88px 0;
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .faq-container {
            max-width: 860px;
        }

        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
            transition: background .3s ease;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            padding: 22px 8px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: color .3s ease;
            user-select: none;
        }

        .faq-question i {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: all .3s ease;
            font-size: 14px;
        }

        .faq-item.open .faq-question {
            color: var(--accent);
            border-left: 2px solid var(--accent);
            padding-left: 12px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            padding: 0 8px;
            padding-left: 14px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
            padding-top: 4px;
        }

        @media (max-width: 480px) {
            .faq-question {
                font-size: 15px;
                padding: 18px 4px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0E3B2E, #0D5C3F, #0B3B2A);
            padding: 88px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 1px solid rgba(201, 168, 108, 0.2);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 280px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 72px 0 28px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.14);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Noto Serif SC', 'Songti SC', serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo i {
            color: var(--accent);
            font-size: 24px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            font-size: 14px;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            font-family: 'Inter', 'PingFang SC', sans-serif;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col a:hover {
            color: var(--accent-2);
        }

        .footer-contact .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }

        .phone-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .site-footer {
                padding: 56px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-logo {
                font-size: 20px;
            }
            .phone-num {
                font-size: 15px;
            }
        }

        /* ========== 移动端菜单 ========== */
        @media (max-width: 1023px) {
            .main-nav {
                display: flex;
            }
        }