/* roulang page: index */
/* ===== 设计变量 ===== */
  :root {
    --brand-primary: #1F3B2C;
    --brand-secondary: #2F5B43;
    --brand-gold: #C19A6B;
    --brand-gold-light: #DCC39A;
    --brand-paper: #FAF6EF;
    --brand-sage: #EEF2EB;
    --brand-dark: #17281E;
    --text-body: #2C2C2C;
    --text-secondary: #6B6B6B;
    --border-light: #E1DACD;
    --radius-card: 1rem;
    --radius-btn: 9999px;
    --shadow-card: 0 8px 30px rgba(31, 59, 44, 0.08);
    --shadow-card-hover: 0 12px 36px rgba(31, 59, 44, 0.16);
    --shadow-dock: 0 12px 40px rgba(23, 40, 30, 0.18);
  }

  /* ===== 基础 Reset ===== */
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    background-color: var(--brand-paper);
    color: var(--text-body);
    line-height: 1.75;
    margin: 0;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: color .3s ease; }
  button { font-family: inherit; }
  input { font-family: inherit; }
  ::selection { background: rgba(193, 154, 107, 0.30); }

  /* ===== 可访问性焦点 ===== */
  a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--brand-gold);
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* ===== 导航 Dock ===== */
  .nav-dock {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    width: calc(100% - 2rem);
    max-width: 1200px;
    background: rgba(31, 59, 44, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 9999px;
    box-shadow: var(--shadow-dock);
    padding: 0.5rem 0.75rem;
    transition: all .3s ease;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 9999px;
    transition: all .25s ease;
    white-space: nowrap;
  }
  .nav-link:hover { color: var(--brand-gold-light); background: rgba(255, 255, 255, 0.06); }
  .nav-link.active { color: var(--brand-gold-light); }
  .nav-link.active::after {
    content: '';
    display: block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--brand-gold);
    margin: 0 auto;
    margin-top: 2px;
  }
  .nav-cta {
    background: var(--brand-gold);
    color: var(--brand-dark);
    font-weight: 600;
    border-radius: 9999px;
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
    transition: all .3s ease;
    white-space: nowrap;
  }
  .nav-cta:hover { background: var(--brand-gold-light); color: var(--brand-dark); }

  /* ===== Hero 区 ===== */
  .hero-section {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(23, 40, 30, 0.88) 0%, rgba(23, 40, 30, 0.65) 50%, rgba(23, 40, 30, 0.25) 100%);
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(193, 154, 107, 0.6);
    color: var(--brand-gold-light);
    border-radius: 9999px;
    padding: 0.3rem 1rem;
    font-size: 0.75rem;
    letter-spacing: 2px;
    background: rgba(23, 40, 30, 0.3);
  }

  /* ===== 板块标题装饰 ===== */
  .section-title-wrap { margin-bottom: 2.5rem; }
  .section-title {
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--brand-primary);
    line-height: 1.3;
  }
  .section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 2px;
    margin-top: 0.75rem;
  }
  .section-title.light { color: #fff; }
  .section-title.light::after { background: var(--brand-gold); }

  /* ===== 卡片 ===== */
  .card-main {
    border-radius: var(--radius-card);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
    overflow: hidden;
  }
  .card-main:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }
  .card-dark {
    border-radius: var(--radius-card);
    background: var(--brand-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 30px rgba(31, 59, 44, 0.25);
    transition: all .3s ease;
    overflow: hidden;
  }
  .card-dark:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(31, 59, 44, 0.35);
  }

  /* ===== 标签 ===== */
  .tag-badge {
    display: inline-block;
    border: 1px solid rgba(193, 154, 107, 0.6);
    color: var(--brand-secondary);
    background: rgba(193, 154, 107, 0.08);
    border-radius: 9999px;
    padding: 0.15rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
  }
  .tag-badge.gold {
    color: var(--brand-gold);
    border-color: rgba(193, 154, 107, 0.5);
    background: rgba(193, 154, 107, 0.12);
  }

  /* ===== 按钮 ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--brand-primary);
    color: #fff;
    border-radius: 9999px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    transition: all .3s ease;
    border: none;
    cursor: pointer;
  }
  .btn-primary:hover { background: var(--brand-secondary); box-shadow: 0 8px 24px rgba(31, 59, 44, 0.25); transform: translateY(-2px); }
  .btn-primary:active { background: var(--brand-dark); transform: translateY(0); }
  .btn-primary:focus-visible { outline: 2px solid var(--brand-gold); outline-offset: 2px; }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--brand-primary);
    border: 1px solid var(--brand-primary);
    border-radius: 9999px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    transition: all .3s ease;
    cursor: pointer;
  }
  .btn-outline:hover { background: var(--brand-primary); color: #fff; transform: translateY(-2px); }

  .btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--brand-gold);
    color: var(--brand-dark);
    border-radius: 9999px;
    padding: 0.8rem 2rem;
    font-weight: 600;
    transition: all .3s ease;
    border: none;
    cursor: pointer;
  }
  .btn-gold:hover { background: var(--brand-gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(193, 154, 107, 0.3); }

  /* ===== 链接箭头 ===== */
  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--brand-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all .3s ease;
  }
  .link-arrow:hover { color: var(--brand-gold); }
  .link-arrow:hover svg { transform: translateX(4px); }
  .link-arrow svg { transition: transform .3s ease; }

  /* ===== FAQ ===== */
  .faq-item { border-radius: 0.75rem; border: 1px solid var(--border-light); background: #fff; margin-bottom: 0.75rem; overflow: hidden; transition: all .3s ease; }
  .faq-item:hover { border-color: rgba(193, 154, 107, 0.4); box-shadow: 0 4px 16px rgba(31, 59, 44, 0.06); }
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    font-weight: 500;
    color: var(--text-body);
    cursor: pointer;
    text-align: left;
    transition: background .3s ease;
  }
  .faq-question:hover { background: var(--brand-sage); }
  .faq-question .faq-icon { transition: transform .3s ease; color: var(--brand-secondary); flex-shrink: 0; }
  .faq-question.open .faq-icon { transform: rotate(45deg); color: var(--brand-gold); }
  .faq-question.open { color: var(--brand-primary); font-weight: 600; border-left: 4px solid var(--brand-gold); }
  .faq-answer {
    padding: 0 1.5rem 1.25rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9rem;
    border-left: 4px solid var(--brand-gold);
    margin-left: 0;
  }

  /* ===== 数据块 ===== */
  .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--brand-gold);
    line-height: 1.1;
  }
  .stat-number.dark { color: var(--brand-primary); }
  .stat-label { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.25rem; }
  .stat-sup { font-size: 0.7rem; vertical-align: super; color: var(--text-secondary); }

  /* ===== 订阅表单 ===== */
  .subscribe-input {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 9999px;
    padding: 0.85rem 1.5rem;
    width: 100%;
    font-size: 0.95rem;
    transition: all .3s ease;
    color: var(--text-body);
  }
  .subscribe-input:focus {
    outline: none;
    border-color: var(--brand-gold);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.2);
  }
  .subscribe-input::placeholder { color: #9A9A9A; }

  /* ===== 页脚 ===== */
  .footer-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: color .3s ease;
    display: inline-block;
    padding: 0.25rem 0;
  }
  .footer-link:hover { color: var(--brand-gold); }
  .footer-title { color: var(--brand-gold-light); font-size: 0.9rem; font-weight: 600; letter-spacing: 1px; }

  /* ===== 图片遮罩 ===== */
  .img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(23, 40, 30, 0.5), transparent 60%);
  }

  /* ===== 区块间距 ===== */
  .section-pad { padding: 5rem 0; }
  @media (max-width: 768px) { .section-pad { padding: 3.5rem 0; } }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .desktop-nav { display: none; }
    .mobile-nav-toggle { display: flex; }
  }
  @media (min-width: 1025px) {
    .desktop-nav { display: flex; }
    .mobile-nav-toggle { display: none; }
    .mobile-menu-panel { display: none !important; }
  }

  .mobile-menu-panel {
    position: fixed;
    top: 5rem;
    left: 1rem;
    right: 1rem;
    z-index: 40;
    background: var(--brand-dark);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-dock);
    padding: 1rem;
  }
  .mobile-menu-panel a {
    display: block;
    padding: 0.9rem 1rem;
    color: rgba(255, 255, 255, 0.85);
    border-radius: 0.75rem;
    font-weight: 500;
    transition: all .25s ease;
  }
  .mobile-menu-panel a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--brand-gold-light);
  }
  .mobile-menu-panel a.active { color: var(--brand-gold-light); background: rgba(193, 154, 107, 0.1); }

  /* ===== 图片失败替代 ===== */
  .img-fallback {
    background: var(--brand-sage);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    min-height: 100%;
  }

  /* ===== 装饰线 ===== */
  .divider-gold {
    width: 48px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 2px;
  }

  /* ===== 统计卡片 ===== */
  .stat-block {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all .3s ease;
  }
  .stat-block:hover { border-color: rgba(193, 154, 107, 0.3); transform: translateY(-2px); }

  /* ===== 照片缺失时备用 ===== */
  .placeholder-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--brand-sage);
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 0.4rem;
  }

/* roulang page: category1 */
:root {
    --brand-primary: #1F3B2C;
    --brand-primarylight: #2F5B43;
    --brand-gold: #C19A6B;
    --brand-goldlight: #DCC39A;
    --brand-bg: #FAF6EF;
    --brand-soft: #EEF2EB;
    --brand-dark: #17281E;
    --brand-text: #2C2C2C;
    --brand-weak: #6B6B6B;
    --brand-border: #E1DACD;
    --radius-card: 16px;
    --radius-btn: 9999px;
    --shadow-card: 0 8px 30px rgba(31,59,44,0.08);
    --shadow-card-hover: 0 16px 40px rgba(31,59,44,0.15);
    --shadow-nav: 0 12px 40px rgba(23,40,30,0.18);
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    background-color: var(--brand-bg);
    color: var(--brand-text);
    line-height: 1.7;
    font-size: 16px;
  }
  @media (max-width: 640px) {
    body { font-size: 15px; }
  }

  ::selection {
    background: rgba(193, 154, 107, 0.3);
  }

  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--brand-gold);
    outline-offset: 2px;
  }

  .nav-dock {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    width: calc(100% - 2rem);
    max-width: 1280px;
    background: rgba(31, 59, 44, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 9999px;
    padding: 0.65rem 1rem;
    box-shadow: var(--shadow-nav);
  }

  .desktop-nav { display: none; }
  @media (min-width: 768px) {
    .desktop-nav { display: flex; }
  }

  .nav-link {
    display: inline-block;
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: all 0.3s ease;
    white-space: nowrap;
  }
  .nav-link:hover {
    color: var(--brand-goldlight);
  }
  .nav-link.active {
    color: var(--brand-goldlight);
    position: relative;
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 9999px;
    background: var(--brand-gold);
  }

  .nav-cta {
    background: var(--brand-gold);
    color: var(--brand-dark);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  .nav-cta:hover {
    background: var(--brand-goldlight);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(193,154,107,0.3);
  }
  .nav-cta:active {
    transform: translateY(0);
  }

  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  @media (min-width: 768px) {
    .mobile-nav-toggle { display: none; }
  }

  .mobile-menu-panel {
    position: fixed;
    top: 5.5rem;
    left: 1rem;
    right: 1rem;
    background: rgba(31, 59, 44, 0.98);
    backdrop-filter: blur(12px);
    border-radius: 1.5rem;
    padding: 1.25rem;
    display: none;
    z-index: 49;
    box-shadow: 0 20px 50px rgba(23,40,30,0.3);
  }
  .mobile-menu-panel.open { display: block; }
  .mobile-menu-panel a {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 0.75rem;
    color: #fff;
    font-weight: 500;
    margin-bottom: 0.25rem;
    transition: background 0.2s, color 0.2s;
  }
  .mobile-menu-panel a:hover {
    background: rgba(255,255,255,0.1);
    color: var(--brand-goldlight);
  }
  .mobile-menu-panel a.active {
    background: rgba(193,154,107,0.2);
    color: var(--brand-goldlight);
  }

  .section-tag {
    display: inline-block;
    border: 1px solid rgba(193,154,107,0.4);
    color: var(--brand-gold);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.9rem;
    border-radius: 9999px;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brand-text);
    line-height: 1.3;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.9rem;
  }
  .section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 48px;
    height: 4px;
    border-radius: 4px;
    background: var(--brand-gold);
  }
  @media (min-width: 768px) {
    .section-title { font-size: 2rem; }
  }

  .section-title-center {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brand-text);
    line-height: 1.3;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.9rem;
  }
  .section-title-center::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: 48px;
    height: 4px;
    border-radius: 4px;
    background: var(--brand-gold);
  }
  @media (min-width: 768px) {
    .section-title-center { font-size: 2rem; }
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-primary);
    color: #fff;
    border-radius: 9999px;
    padding: 0.85rem 2.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
  }
  .btn-primary:hover {
    background: var(--brand-primarylight);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(31,59,44,0.2);
  }
  .btn-primary:active {
    background: var(--brand-dark);
    transform: translateY(0);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--brand-primary);
    border: 2px solid var(--brand-primary);
    border-radius: 9999px;
    padding: 0.85rem 2.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
  }
  .btn-outline:hover {
    background: var(--brand-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(31,59,44,0.15);
  }
  .btn-outline:active {
    transform: translateY(0);
  }

  .btn-gold-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-gold);
    color: var(--brand-dark);
    border-radius: 9999px;
    padding: 0.85rem 2.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
  }
  .btn-gold-dark:hover {
    background: var(--brand-goldlight);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(193,154,107,0.3);
  }

  .btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: rgba(255,255,255,0.9);
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 9999px;
    padding: 0.85rem 2.2rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
  }
  .btn-ghost-light:hover {
    border-color: var(--brand-gold);
    color: var(--brand-goldlight);
    transform: translateY(-2px);
  }

  .category-chip {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--brand-border);
    background: #fff;
    color: var(--brand-text);
    transition: all 0.3s ease;
  }
  .category-chip:hover {
    border-color: var(--brand-gold);
    color: var(--brand-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
  }
  .category-chip.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
  }

  .card-hover {
    transition: all 0.3s ease;
  }
  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }

  .value-card {
    background: #fff;
    border: 1px solid var(--brand-border);
    border-radius: var(--radius-card);
    padding: 2rem;
    transition: all 0.3s ease;
  }
  .value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(193,154,107,0.5);
  }
  .value-card:hover .value-icon {
    background: var(--brand-primary);
    color: var(--brand-goldlight);
  }
  .value-card-dark {
    background: var(--brand-primary);
    border-radius: var(--radius-card);
    padding: 2rem;
    color: #fff;
    transition: all 0.3s ease;
  }
  .value-card-dark:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
  }

  .value-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--brand-soft);
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    transition: all 0.3s ease;
  }

  .timeline-item {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 2.5rem;
  }
  .timeline-item:last-child { padding-bottom: 0; }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 9999px;
    background: var(--brand-gold);
    box-shadow: 0 0 0 4px rgba(193,154,107,0.2);
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--brand-border);
    border-radius: 1rem;
    margin-bottom: 0.9rem;
    overflow: hidden;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  .faq-item:hover {
    border-color: rgba(193,154,107,0.4);
  }
  .faq-item.open {
    border-color: rgba(193,154,107,0.5);
    box-shadow: var(--shadow-card);
  }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    text-align: left;
    padding: 1.2rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--brand-text);
    cursor: pointer;
    transition: background 0.2s;
  }
  .faq-question:hover {
    background: var(--brand-soft);
  }
  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 9999px;
    background: var(--brand-soft);
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s ease;
  }
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--brand-gold);
    color: var(--brand-dark);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .faq-answer-inner {
    padding: 0 1.5rem 1.5rem;
    color: var(--brand-weak);
    line-height: 1.8;
    font-size: 0.95rem;
  }
  .faq-item.open .faq-answer {
    max-height: 400px;
  }
  .faq-item.open .faq-answer-inner {
    border-left: 3px solid var(--brand-gold);
    margin-left: 1.5rem;
    padding-left: 1rem;
  }

  .footer-title {
    color: var(--brand-goldlight);
    font-size: 1.05rem;
    font-weight: 600;
  }
  .footer-link {
    display: inline-block;
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    padding: 0.25rem 0;
    transition: color 0.2s, transform 0.2s;
  }
  .footer-link:hover {
    color: var(--brand-goldlight);
    transform: translateX(4px);
  }
  .placeholder-note {
    font-size: 0.75rem;
    background: rgba(255,255,255,0.08);
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    color: rgba(255,255,255,0.4);
  }

  .hero-overlay {
    background: linear-gradient(100deg, rgba(23,40,30,0.92) 0%, rgba(23,40,30,0.75) 45%, rgba(23,40,30,0.3) 100%);
  }
  @media (max-width: 640px) {
    .hero-overlay {
      background: linear-gradient(180deg, rgba(23,40,30,0.85) 0%, rgba(23,40,30,0.7) 100%);
    }
  }

  .brand-story-img {
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
  }

  .banner-quote {
    background: linear-gradient(135deg, rgba(193,154,107,0.12) 0%, rgba(193,154,107,0.04) 100%);
    border-left: 4px solid var(--brand-gold);
  }

  .link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--brand-primary);
    transition: all 0.3s ease;
  }
  .link-arrow:hover {
    color: var(--brand-gold);
    gap: 0.9rem;
  }

  img {
    object-fit: cover;
  }
  img.error-fallback {
    background: var(--brand-soft);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  @media (max-width: 768px) {
    .mobile-menu-panel { top: 5.25rem; }
    .section-title, .section-title-center { font-size: 1.5rem; }
    .value-card, .value-card-dark { padding: 1.5rem; }
  }

/* roulang page: article */
:root {
  --brand-dark: #17281E;
  --brand-deep: #1F3B2C;
  --brand-secondary: #2F5B43;
  --brand-gold: #C19A6B;
  --brand-goldlight: #DCC39A;
  --bg-paper: #FAF6EF;
  --bg-mist: #EEF2EB;
  --text-ink: #2C2C2C;
  --text-muted: #6B6B6B;
  --border-line: #E1DACD;
  --danger: #9B2C2C;
  --shadow-card: 0 8px 30px rgba(31,59,44,0.08);
  --shadow-hover: 0 18px 40px rgba(31,59,44,0.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-paper);
  color: var(--text-ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.75;
  font-size: 16px;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
::selection { background: rgba(193, 154, 107, 0.3); }

.container { max-width: 1280px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
@media (min-width: 640px) {
  .container { padding-left: 2rem; padding-right: 2rem; }
}

/* ===== 浮动 Dock 导航 ===== */
.nav-dock {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: calc(100% - 2rem);
  max-width: 1120px;
  background: rgba(31, 59, 44, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 12px 40px rgba(23, 40, 30, 0.18);
  padding: 0.5rem 0.75rem;
}
.desktop-nav { display: none; align-items: center; gap: 2px; }
.mobile-nav-toggle { display: flex; }
@media (min-width: 1024px) {
  .desktop-nav { display: flex; }
  .mobile-nav-toggle { display: none; }
}
.nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color .25s, background .25s;
}
.nav-link:hover {
  color: var(--brand-goldlight);
  background: rgba(255, 255, 255, 0.08);
}
.nav-link.active {
  color: var(--brand-goldlight);
  position: relative;
}
.nav-link.active::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand-gold);
  margin: 2px auto 0;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-gold);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.5rem 1.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all .3s;
}
.nav-cta:hover {
  background: var(--brand-goldlight);
  transform: translateY(-1px);
}
.nav-cta:focus-visible,
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-gold:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid var(--brand-gold);
  outline-offset: 2px;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  padding: 0 1rem;
  pointer-events: none;
}
.mobile-menu .mobile-panel {
  pointer-events: auto;
  margin-top: 5rem;
  background: var(--brand-deep);
  border-radius: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 18px 50px rgba(23, 40, 30, 0.3);
}
.mobile-link {
  display: block;
  padding: 0.875rem 1rem;
  border-radius: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  transition: color .25s, background .25s;
}
.mobile-link:hover {
  color: var(--brand-goldlight);
  background: rgba(255, 255, 255, 0.08);
}
.mobile-link.active {
  color: var(--brand-goldlight);
  background: rgba(255, 255, 255, 0.06);
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-deep);
  color: #fff;
  border-radius: 999px;
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .3s;
  box-shadow: 0 4px 14px rgba(31, 59, 44, 0.12);
}
.btn-primary:hover {
  background: var(--brand-secondary);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(31, 59, 44, 0.18);
}
.btn-primary:active {
  background: var(--brand-dark);
  transform: translateY(0);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--brand-deep);
  border: 1px solid var(--brand-deep);
  border-radius: 999px;
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all .3s;
}
.btn-outline:hover {
  background: var(--brand-deep);
  color: #fff;
  transform: translateY(-2px);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-gold);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all .3s;
}
.btn-gold:hover {
  background: var(--brand-goldlight);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(193, 154, 107, 0.3);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all .3s;
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--brand-goldlight);
  color: var(--brand-goldlight);
}

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid var(--brand-gold);
  color: var(--brand-gold);
  background: rgba(193, 154, 107, 0.12);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
}
.tag-light {
  border-color: rgba(220, 195, 154, 0.6);
  color: var(--brand-goldlight);
  background: rgba(220, 195, 154, 0.12);
}

/* ===== 板块标题 ===== */
.section-title {
  font-weight: 800;
  color: var(--brand-deep);
  line-height: 1.3;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--brand-gold);
  border-radius: 999px;
  margin-top: 0.5rem;
}
.section-title-center::after {
  margin-left: auto;
  margin-right: auto;
}

/* ===== 卡片 ===== */
.card {
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 1rem;
  overflow: hidden;
  transition: all .3s ease;
  box-shadow: 0 2px 10px rgba(31, 59, 44, 0.04);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(193, 154, 107, 0.5);
}
.card-img { display: block; width: 100%; height: 176px; object-fit: cover; }
.card-body { padding: 1.5rem; }
.card-title {
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--text-ink);
  line-height: 1.5;
  transition: color .25s;
}
.card:hover .card-title { color: var(--brand-deep); }
.card-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8125rem; color: var(--text-muted); }
.card-link {
  color: var(--brand-deep);
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: color .25s;
}
.card-link:hover { color: var(--brand-gold); }
.card-link .arrow { transition: transform .25s; }
.card-link:hover .arrow { transform: translateX(4px); }

/* ===== 正文排版 ===== */
.article-body { font-size: 1rem; line-height: 1.85; color: var(--text-ink); }
.article-body p { margin-bottom: 1.75rem; line-height: 1.85; }
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-deep);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}
.article-body h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--brand-gold);
  border-radius: 999px;
  margin-top: 0.5rem;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-deep);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}
.article-body ul { list-style: none; padding: 0; margin: 1.25rem 0; }
.article-body ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  line-height: 1.7;
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--brand-gold);
  border-radius: 50%;
}
.article-body blockquote {
  border-left: 4px solid var(--brand-gold);
  background: var(--bg-mist);
  padding: 1rem 1.5rem;
  border-radius: 0.5rem 1rem 1rem 0.5rem;
  margin: 1.5rem 0;
  color: var(--text-ink);
  font-style: normal;
}
.article-body img { border-radius: 1rem; margin: 1.75rem 0; max-width: 100%; height: auto; }

/* ===== FAQ ===== */
.accordion-item {
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.accordion-item.open {
  border-color: var(--brand-gold);
  box-shadow: 0 8px 24px rgba(31, 59, 44, 0.06);
}
.accordion-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: transparent;
  border: none;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-ink);
  text-align: left;
  transition: background .25s;
}
.accordion-btn:hover { background: var(--bg-mist); }
.accordion-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  color: var(--brand-deep);
  transition: transform .3s ease;
}
.accordion-item.open .accordion-icon { transform: rotate(45deg); }
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.accordion-content-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ===== CTA 面板 ===== */
.cta-panel {
  background: var(--brand-dark);
  border-radius: 2rem;
  padding: 3rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-gold);
}
.cta-input {
  background: #fff;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.8rem 1.5rem;
  width: 100%;
  color: var(--text-ink);
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.cta-input:focus {
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 4px rgba(193, 154, 107, 0.15);
}

/* ===== 页脚 ===== */
.footer-title {
  color: var(--brand-goldlight);
  font-size: 1rem;
  font-weight: 600;
}
.footer-link {
  display: inline-block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  padding: 0.25rem 0;
  transition: color .25s;
}
.footer-link:hover { color: var(--brand-goldlight); }
.placeholder-note {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 空状态 ===== */
.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 999px;
  background: var(--bg-mist);
  color: var(--brand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 响应式细节 ===== */
@media (max-width: 640px) {
  body { font-size: 15px; }
  .nav-dock { width: calc(100% - 1.5rem); }
  .article-body h2 { font-size: 1.3125rem; }
  .cta-panel { border-radius: 1.5rem; padding: 2.5rem 1rem; }
}
@media (min-width: 641px) and (max-width: 1023px) {
  .nav-dock { width: calc(100% - 2.5rem); }
}

/* roulang page: category2 */
:root {
            --brand-green: #1F3B2C;
            --brand-green-light: #2F5B43;
            --brand-gold: #C19A6B;
            --brand-goldlight: #DCC39A;
            --bg-paper: #FAF6EF;
            --bg-mint: #EEF2EB;
            --bg-dark: #17281E;
            --text-body: #2C2C2C;
            --text-mute: #6B6B6B;
            --border-soft: #E1DACD;
            --radius-card: 1rem;
            --shadow-card: 0 8px 30px rgba(31, 59, 44, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(31, 59, 44, 0.15);
            --shadow-dock: 0 12px 40px rgba(23, 40, 30, 0.18);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            background: var(--bg-paper);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        ::selection {
            background: rgba(193, 154, 107, 0.3);
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== 导航 Dock ===== */
        .nav-dock {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 2rem);
            max-width: 1200px;
            background: rgba(31, 59, 44, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 60px;
            padding: 0.625rem 1rem;
            box-shadow: var(--shadow-dock);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-dock .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: 40px;
            font-size: 0.875rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: all .25s ease;
            position: relative;
            white-space: nowrap;
        }
        .nav-dock .nav-link:hover {
            color: var(--brand-goldlight);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-dock .nav-link.active {
            color: var(--brand-goldlight);
            font-weight: 600;
        }
        .nav-dock .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0.15rem;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--brand-goldlight);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: var(--brand-gold);
            color: var(--bg-dark);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.5rem 1.25rem;
            border-radius: 40px;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--brand-goldlight);
            transform: translateY(-1px);
        }
        .mobile-nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transition: background .25s;
        }
        .mobile-nav-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .mobile-menu {
            display: none;
            margin-top: 0.75rem;
            background: var(--bg-dark);
            border-radius: 24px;
            padding: 0.75rem;
            box-shadow: var(--shadow-dock);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-nav-link {
            display: block;
            padding: 0.8rem 1rem;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.875rem;
            border-radius: 12px;
            transition: all .2s;
        }
        .mobile-nav-link:hover {
            color: var(--brand-goldlight);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-link.active {
            color: var(--brand-goldlight);
            font-weight: 600;
        }
        @media (max-width: 900px) {
            .desktop-nav {
                display: none !important;
            }
            .nav-cta {
                display: none !important;
            }
            .mobile-nav-toggle {
                display: inline-flex;
            }
        }
        @media (min-width: 901px) {
            .desktop-nav {
                display: flex;
            }
            .mobile-nav-toggle {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background-color: var(--bg-dark);
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.55;
        }
        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(23, 40, 30, 0.9) 0%, rgba(23, 40, 30, 0.75) 40%, rgba(23, 40, 30, 0.3) 100%);
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 1px solid rgba(220, 195, 154, 0.5);
            color: var(--brand-goldlight);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            background: rgba(193, 154, 107, 0.1);
            margin-bottom: 1.25rem;
            letter-spacing: 0.05em;
        }
        .page-hero .hero-title {
            font-size: 2.75rem;
            line-height: 1.2;
            font-weight: 900;
            color: #fff;
            margin-bottom: 1rem;
        }
        @media (min-width: 768px) {
            .page-hero .hero-title {
                font-size: 3.75rem;
            }
        }
        .page-hero .hero-subtitle {
            font-size: 1.25rem;
            color: var(--brand-goldlight);
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .page-hero .hero-subtitle {
                font-size: 1.5rem;
            }
        }
        .page-hero .hero-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 30rem;
            line-height: 1.8;
        }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 60px;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all .3s ease;
            text-align: center;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--brand-green);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--brand-green-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(31, 59, 44, 0.25);
        }
        .btn-primary:active {
            background: var(--bg-dark);
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }
        .btn-gold {
            background: var(--brand-gold);
            color: var(--bg-dark);
        }
        .btn-gold:hover {
            background: var(--brand-goldlight);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(193, 154, 107, 0.35);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 6rem 0;
            }
        }
        .section-header {
            margin-bottom: 2.5rem;
            max-width: 42rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--brand-green-light);
            background: rgba(31, 59, 44, 0.06);
            border: 1px solid rgba(31, 59, 44, 0.12);
            padding: 0.25rem 0.8rem;
            border-radius: 40px;
            margin-bottom: 0.75rem;
            text-transform: none;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--brand-green);
            line-height: 1.3;
            margin-bottom: 0.75rem;
            position: relative;
            padding-bottom: 0.75rem;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--brand-gold);
            margin-top: 0.6rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }
        .section-desc {
            color: var(--text-mute);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== 业务大卡 ===== */
        .business-card {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }
        .business-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .business-card:hover .business-card-title {
            color: var(--brand-green-light);
        }
        .business-card-img {
            position: relative;
            height: 13rem;
            overflow: hidden;
            background: var(--bg-mint);
        }
        @media (min-width: 768px) {
            .business-card-img {
                height: 15rem;
            }
        }
        .business-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .business-card:hover .business-card-img img {
            transform: scale(1.05);
        }
        .card-index {
            position: absolute;
            top: 1rem;
            right: 1rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.75rem;
            height: 2.75rem;
            border-radius: 50%;
            background: rgba(23, 40, 30, 0.7);
            color: var(--brand-goldlight);
            font-size: 0.875rem;
            font-weight: 700;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .business-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .business-card-body {
                padding: 1.8rem;
            }
        }
        .business-card-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand-green);
            margin-bottom: 0.6rem;
            transition: color .3s;
        }
        .business-card-body>p {
            color: var(--text-mute);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .business-card-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.25rem;
            display: grid;
            gap: 0.4rem;
        }
        .business-card-list li {
            font-size: 0.85rem;
            color: var(--text-body);
            padding-left: 1.25rem;
            position: relative;
        }
        .business-card-list li::before {
            content: '◆';
            position: absolute;
            left: 0;
            top: 0;
            font-size: 0.6rem;
            color: var(--brand-gold);
        }
        .card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--brand-green);
            transition: all .25s;
        }
        .card-link:hover {
            color: var(--brand-gold);
            gap: 0.625rem;
        }

        /* ===== 优势数据区 ===== */
        .advantage-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all .3s;
        }
        .advantage-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .advantage-item .advantage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: rgba(31, 59, 44, 0.06);
            color: var(--brand-green);
            font-size: 1.25rem;
            margin-bottom: 1rem;
            transition: all .3s;
        }
        .advantage-item:hover .advantage-icon {
            background: var(--brand-gold);
            color: var(--bg-dark);
        }
        .advantage-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-green);
            margin-bottom: 0.5rem;
        }
        .advantage-item p {
            font-size: 0.875rem;
            color: var(--text-mute);
            line-height: 1.7;
        }

        /* ===== 流程 ===== */
        .process-step {
            position: relative;
            text-align: center;
            padding: 0 0.75rem;
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background: var(--brand-green);
            color: var(--brand-goldlight);
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(31, 59, 44, 0.2);
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-green);
            margin-bottom: 0.375rem;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-mute);
            line-height: 1.6;
        }
        .process-arrow {
            display: none;
        }
        @media (min-width: 768px) {
            .process-arrow {
                display: flex;
                align-items: center;
                justify-content: center;
                color: var(--brand-gold);
                font-size: 1.5rem;
                flex-shrink: 0;
            }
        }

        /* ===== 场景卡 ===== */
        .scenario-card {
            background: var(--bg-mint);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            transition: all .3s;
            height: 100%;
        }
        .scenario-card:hover {
            background: #fff;
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-icon {
            width: 2.75rem;
            height: 2.75rem;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-green);
            color: var(--brand-goldlight);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }
        .scenario-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-green);
            margin-bottom: 0.5rem;
        }
        .scenario-card p {
            font-size: 0.875rem;
            color: var(--text-mute);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: 16px;
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: all .3s;
        }
        .faq-item.active {
            border-color: rgba(193, 154, 107, 0.5);
            box-shadow: 0 4px 20px rgba(193, 154, 107, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            padding: 1.125rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--brand-green);
            background: transparent;
            transition: background .25s;
        }
        .faq-question:hover {
            background: var(--bg-mint);
        }
        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 1.75rem;
            height: 1.75rem;
            border-radius: 50%;
            background: rgba(31, 59, 44, 0.08);
            color: var(--brand-green);
            font-size: 1rem;
            flex-shrink: 0;
            transition: all .3s;
        }
        .faq-item.active .faq-icon {
            background: var(--brand-gold);
            color: var(--bg-dark);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.875rem;
            color: var(--text-mute);
            line-height: 1.7;
            border-left: 4px solid var(--brand-gold);
            margin-left: 1.5rem;
            padding-left: 1.25rem;
        }

        /* ===== 探索区 ===== */
        .explore-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: all .3s;
        }
        .explore-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(193, 154, 107, 0.4);
        }
        .explore-card .explore-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-green);
        }
        .explore-card .explore-desc {
            font-size: 0.8rem;
            color: var(--text-mute);
            margin-top: 0.15rem;
        }
        .explore-card .explore-arrow {
            color: var(--brand-gold);
            font-size: 1.25rem;
            flex-shrink: 0;
            margin-left: 1rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-gold), transparent);
        }
        .cta-section .cta-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .cta-section .cta-title {
                font-size: 2.25rem;
            }
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.6);
            max-width: 32rem;
            margin: 0 auto 1.75rem;
            font-size: 0.95rem;
        }

        /* ===== 页脚 ===== */
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-goldlight);
        }
        .footer-link {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.5);
            display: inline-block;
            padding: 0.35rem 0;
            transition: all .25s;
        }
        .footer-link:hover {
            color: var(--brand-goldlight);
            transform: translateX(3px);
        }
        .placeholder-note {
            display: inline-block;
            font-size: 0.7rem;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.4);
            padding: 0.25rem 0.6rem;
            border-radius: 4px;
            margin-top: 0.5rem;
        }

        /* ===== 图片加载失败 ===== */
        img {
            background: var(--bg-mint);
        }
        img[alt]::after {
            content: attr(alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-mute);
            font-size: 0.8rem;
            padding: 1rem;
            text-align: center;
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== 内容列表(非资讯) ===== */
        .content-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .content-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed var(--border-soft);
            font-size: 0.9rem;
            color: var(--text-body);
        }
        .content-list li:last-child {
            border-bottom: none;
        }

/* roulang page: category3 */
:root {
    --brand: #1F3B2C;
    --brand-light: #2F5B43;
    --brand-gold: #C19A6B;
    --brand-goldlight: #DCC39A;
    --bg-paper: #FAF6EF;
    --bg-mist: #EEF2EB;
    --bg-dark: #17281E;
    --text-main: #2C2C2C;
    --text-sub: #6B6B6B;
    --border-color: #E1DACD;
    --radius-card: 16px;
    --shadow-card: 0 8px 30px rgba(31,59,44,0.08);
    --shadow-hover: 0 20px 40px rgba(31,59,44,0.15);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    background-color: var(--bg-paper);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  ::selection {
    background-color: rgba(193, 154, 107, 0.3);
  }

  *:focus-visible {
    outline: 2px solid var(--brand-gold);
    outline-offset: 2px;
  }

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

  a, button, input {
    transition: all 0.3s ease;
  }

  .container-page {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
  }

  @media (min-width: 640px) {
    .container-page {
      padding-left: 32px;
      padding-right: 32px;
    }
  }

  /* ===== 导航 Dock ===== */
  .nav-dock {
    max-width: 1240px;
    margin: 0 auto;
    background: rgba(31, 59, 44, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 60px;
    padding: 10px 16px;
    box-shadow: 0 12px 40px rgba(23, 40, 30, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    color: var(--brand-goldlight);
    background: rgba(255, 255, 255, 0.06);
  }

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

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

  .nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 22px;
    border-radius: 999px;
    background: var(--brand-gold);
    color: var(--bg-dark);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
  }

  .nav-cta:hover {
    background: var(--brand-goldlight);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(193, 154, 107, 0.3);
  }

  .mobile-nav-toggle {
    display: none;
  }

  .mobile-menu {
    margin-top: 10px;
    background: var(--bg-dark);
    border-radius: 20px;
    padding: 14px;
    box-shadow: 0 20px 50px rgba(23, 40, 30, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .mobile-menu a {
    display: block;
    padding: 14px 18px;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s ease;
  }

  .mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--brand-goldlight);
  }

  .mobile-menu a.active {
    color: var(--brand-goldlight);
    background: rgba(193, 154, 107, 0.12);
  }

  @media (max-width: 768px) {
    .desktop-nav {
      display: none;
    }
    .mobile-nav-toggle {
      display: inline-flex;
    }
    .nav-dock {
      padding: 8px 12px;
    }
  }

  /* ===== 按钮 ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
    color: #fff;
    border-radius: 999px;
    padding: 14px 34px;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.03em;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-primary:hover {
    background: var(--brand-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(31, 59, 44, 0.2);
  }

  .btn-primary:active {
    background: var(--bg-dark);
    transform: translateY(0);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--brand);
    border: 1.5px solid var(--brand);
    border-radius: 999px;
    padding: 13px 32px;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-outline:hover {
    background: var(--brand);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(31, 59, 44, 0.15);
  }

  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-gold);
    color: var(--bg-dark);
    border-radius: 999px;
    padding: 14px 36px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.03em;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(193, 154, 107, 0.2);
    transition: all 0.3s ease;
  }

  .btn-gold:hover {
    background: var(--brand-goldlight);
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(193, 154, 107, 0.35);
  }

  /* ===== 徽章 / 标签 ===== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--brand-gold);
    color: var(--brand);
    background: rgba(193, 154, 107, 0.08);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
  }

  .badge-dark {
    border-color: var(--brand-goldlight);
    color: var(--brand-goldlight);
    background: rgba(220, 195, 154, 0.1);
  }

  .placeholder-note {
    display: inline-block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.08);
    border: 1px dashed rgba(255, 255, 255, 0.25);
    border-radius: 6px;
    padding: 2px 10px;
    margin-top: 4px;
  }

  /* ===== 板块 ===== */
  .section {
    padding: 80px 0;
  }

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

  .section-title-wrap {
    position: relative;
    margin-bottom: 40px;
  }

  .section-title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--brand);
    margin: 0;
  }

  .section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 4px;
    margin-top: 14px;
  }

  .section-sub {
    color: var(--text-sub);
    font-size: 16px;
    margin-top: 12px;
    max-width: 560px;
  }

  @media (min-width: 768px) {
    .section-title {
      font-size: 32px;
    }
  }

  /* ===== 卡片 ===== */
  .card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
  }

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

  .card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-mist);
  }

  /* ===== 时间线 ===== */
  .timeline {
    position: relative;
    padding: 50px 0 20px;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--brand-gold) 8%, var(--brand-light) 90%, transparent);
  }

  .timeline-item {
    position: relative;
    display: flex;
    justify-content: flex-end;
    padding-right: calc(50% + 36px);
    margin-bottom: 56px;
  }

  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: calc(50% + 36px);
  }

  .timeline-card {
    width: 100%;
    max-width: 440px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 26px 28px;
    position: relative;
    transition: all 0.35s ease;
  }

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

  .timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 56px;
    border-radius: 4px 0 0 4px;
    background: var(--brand-gold);
  }

  .timeline-dot {
    position: absolute;
    top: 30px;
    right: calc(50% - 11px);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--brand-gold);
    border: 5px solid var(--bg-paper);
    box-shadow: 0 0 0 2px var(--brand-gold);
    z-index: 2;
  }

  .timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: calc(50% - 11px);
  }

  .timeline-phase {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--brand);
    background: rgba(193, 154, 107, 0.12);
    border-radius: 999px;
    padding: 4px 14px;
    letter-spacing: 0.08em;
  }

  .timeline-year {
    font-size: 24px;
    font-weight: 800;
    color: var(--brand-light);
    letter-spacing: 0.02em;
    margin-top: 10px;
  }

  .timeline-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--brand);
    margin: 8px 0 10px;
  }

  .timeline-card p {
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--text-sub);
    margin: 0;
  }

  @media (max-width: 768px) {
    .timeline {
      padding-left: 20px;
    }
    .timeline::before {
      left: 0;
      transform: none;
    }
    .timeline-item,
    .timeline-item:nth-child(even) {
      justify-content: flex-start;
      padding-left: 42px;
      padding-right: 0;
    }
    .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
      left: 0;
      right: auto;
    }
    .timeline-card {
      max-width: 100%;
    }
  }

  /* ===== 数据卡 ===== */
  .stat-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 36px 20px;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
  }

  .stat-card:hover {
    border-color: var(--brand-gold);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
  }

  .stat-number {
    font-size: 44px;
    font-weight: 900;
    color: var(--brand-gold);
    line-height: 1.1;
  }

  .stat-label {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 8px;
  }

  /* ===== FAQ ===== */
  .faq-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .faq-item.active {
    border-color: var(--brand-gold);
    box-shadow: 0 8px 24px rgba(31, 59, 44, 0.1);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    text-align: left;
    transition: all 0.2s;
  }

  .faq-question:hover {
    background: var(--bg-mist);
  }

  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(193, 154, 107, 0.15);
    color: var(--brand);
    font-size: 18px;
    font-weight: 400;
    transition: all 0.35s ease;
  }

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

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }

  .faq-answer-inner {
    padding: 0 24px 22px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-sub);
    border-left: 3px solid var(--brand-gold);
    margin-left: 24px;
  }

  /* ===== 分类入口 ===== */
  .cat-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
  }

  .cat-pill:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--brand-goldlight);
    color: var(--brand-goldlight);
    transform: translateY(-2px);
  }

  .cat-pill.active {
    background: var(--brand-goldlight);
    color: var(--bg-dark);
    border-color: var(--brand-goldlight);
  }

  /* ===== 页脚 ===== */
  .footer-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--brand-goldlight);
    margin-bottom: 16px;
  }

  .footer-link {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.25s;
  }

  .footer-link:hover {
    color: var(--brand-goldlight);
    transform: translateX(3px);
  }

  /* ===== 图文交错块 ===== */
  .story-media {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
  }

  .story-media img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
  }

  .media-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--brand);
    color: var(--brand-goldlight);
    border-radius: 999px;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(31, 59, 44, 0.25);
  }

/* roulang page: category4 */
:root {
    --brand-dark: #17281E;
    --brand-green: #1F3B2C;
    --brand-green2: #2F5B43;
    --brand-gold: #C19A6B;
    --brand-goldlight: #DCC39A;
    --bg-paper: #FAF6EF;
    --bg-mist: #EEF2EB;
    --text-main: #2C2C2C;
    --text-sub: #6B6B6B;
    --border: #E1DACD;
    --radius-card: 16px;
    --shadow-card: 0 8px 30px rgba(31, 59, 44, 0.08);
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    background: var(--bg-paper);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
  }

  ::selection {
    background: rgba(193, 154, 107, 0.3);
  }

  a,
  button,
  input {
    transition: all .3s ease;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline: 2px solid var(--brand-gold);
    outline-offset: 2px;
  }

  img {
    display: block;
  }

  /* ---------- 导航 Dock ---------- */
  .nav-dock {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: min(1200px, calc(100% - 32px));
    background: rgba(23, 40, 30, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 60px;
    padding: 8px 20px;
    box-shadow: 0 12px 40px rgba(23, 40, 30, 0.18);
    border: 1px solid rgba(220, 195, 154, 0.15);
  }

  .desktop-nav {
    display: none;
  }

  .nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 999px;
    white-space: nowrap;
    transition: color .3s, background .3s;
  }

  .nav-link:hover {
    color: var(--brand-goldlight);
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-link.active {
    color: var(--brand-goldlight);
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-link.active::after {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--brand-gold);
    margin: 4px auto 0;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--brand-gold);
    color: var(--brand-dark);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 999px;
    transition: background .3s, transform .3s;
  }

  .nav-cta:hover {
    background: var(--brand-goldlight);
    transform: translateY(-1px);
  }

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

  @media (min-width: 1024px) {
    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 2px;
    }
    .mobile-nav-toggle {
      display: none !important;
    }
  }

  #mobile-menu {
    display: none;
  }

  #mobile-menu.open {
    display: block;
  }

  /* ---------- 通用板块 ---------- */
  .section-pad {
    padding: 72px 0;
  }

  @media (min-width: 768px) {
    .section-pad {
      padding: 104px 0;
    }
  }

  .section-label {
    color: var(--brand-gold);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
  }

  .gold-rule {
    width: 48px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 4px;
  }

  /* ---------- 按钮 ---------- */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand-green);
    color: #fff;
    border-radius: 999px;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 15px;
    transition: background .3s, transform .3s, box-shadow .3s;
  }

  .btn-primary:hover {
    background: var(--brand-green2);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(31, 59, 44, 0.25);
  }

  .btn-primary:active {
    background: var(--brand-dark);
    transform: translateY(0);
  }

  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    color: #fff;
    border-radius: 999px;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 15px;
    transition: background .3s, color .3s, transform .3s;
  }

  .btn-outline-light:hover {
    background: #fff;
    color: var(--brand-dark);
    transform: translateY(-2px);
  }

  .btn-gold {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--brand-gold);
    color: var(--brand-dark);
    border-radius: 999px;
    padding: 12px 32px;
    font-weight: 600;
    font-size: 15px;
    transition: background .3s, transform .3s, box-shadow .3s;
  }

  .btn-gold:hover {
    background: var(--brand-goldlight);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(193, 154, 107, 0.35);
  }

  /* ---------- Hero ---------- */
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(220, 195, 154, 0.55);
    color: var(--brand-goldlight);
    font-size: 13px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(23, 40, 30, 0.4);
  }

  .hero-tag {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
    background: rgba(255, 255, 255, 0.06);
  }

  /* ---------- 卡片 ---------- */
  .card-base {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: transform .3s, box-shadow .3s, border-color .3s;
  }

  .card-base:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(31, 59, 44, 0.15);
    border-color: rgba(193, 154, 107, 0.45);
  }

  .card-dark {
    background: var(--brand-green);
    border-color: transparent;
    box-shadow: 0 12px 34px rgba(31, 59, 44, 0.22);
  }

  .card-dark:hover {
    border-color: rgba(220, 195, 154, 0.35);
    box-shadow: 0 18px 44px rgba(31, 59, 44, 0.32);
  }

  .card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    display: inline-block;
    background: rgba(250, 246, 239, 0.92);
    border: 1px solid var(--brand-gold);
    color: var(--brand-green);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: .04em;
  }

  .card-dark .card-tag {
    background: rgba(23, 40, 30, 0.6);
    color: var(--brand-goldlight);
    border-color: rgba(220, 195, 154, 0.5);
  }

  .check-dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--brand-gold);
    margin-top: 10px;
  }

  /* ---------- 时间线 ---------- */
  .timeline {
    position: relative;
  }

  .timeline-item {
    position: relative;
    padding-left: 44px;
    margin-bottom: 28px;
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 40px;
    bottom: -28px;
    width: 2px;
    background: linear-gradient(to bottom, var(--brand-gold), rgba(193, 154, 107, 0.18));
  }

  .timeline-item:last-child::before {
    display: none;
  }

  .timeline-item:last-child {
    margin-bottom: 0;
  }

  .timeline-node {
    position: absolute;
    left: 0;
    top: 8px;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: var(--brand-dark);
    border: 3px solid var(--brand-gold);
    box-shadow: 0 0 0 5px rgba(193, 154, 107, 0.18);
  }

  .timeline-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: var(--brand-green);
    color: var(--brand-goldlight);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
  }

  /* ---------- FAQ ---------- */
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .3s, box-shadow .3s;
  }

  .faq-item:hover {
    border-color: rgba(193, 154, 107, 0.5);
  }

  .faq-q {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: background .3s;
    background: transparent;
    border: 0;
  }

  .faq-q:hover {
    background: var(--bg-mist);
  }

  .faq-q.open {
    border-left: 4px solid var(--brand-gold);
    color: var(--brand-green);
  }

  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: rgba(193, 154, 107, 0.14);
    color: var(--brand-green);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    line-height: 1;
    transition: transform .35s ease, background .3s;
  }

  .faq-q.open .faq-icon {
    transform: rotate(45deg);
    background: var(--brand-gold);
    color: #fff;
  }

  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .4s ease;
    padding: 0 24px;
  }

  .faq-a.open {
    max-height: 420px;
    padding: 0 24px 20px;
  }

  .faq-a p {
    color: var(--text-sub);
    line-height: 1.8;
    font-size: 15px;
    border-left: 2px solid var(--border);
    padding-left: 16px;
  }

  /* ---------- 联系卡片 ---------- */
  .contact-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    transition: background .3s, transform .3s, border-color .3s;
  }

  .contact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(220, 195, 154, 0.5);
    transform: translateY(-3px);
  }

  .contact-icon {
    display: flex;
    width: 46px;
    height: 46px;
    margin: 0 auto 14px;
    border-radius: 999px;
    background: rgba(193, 154, 107, 0.18);
    color: var(--brand-goldlight);
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-style: normal;
  }

  .contact-card h3 {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 6px;
  }

  .contact-card p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 14px;
    line-height: 1.6;
  }

  /* ---------- 分类跳转卡片 ---------- */
  .card-link {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px 60px 28px 28px;
    box-shadow: var(--shadow-card);
    transition: transform .3s, box-shadow .3s, border-color .3s;
    position: relative;
  }

  .card-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(31, 59, 44, 0.15);
    border-color: var(--brand-gold);
  }

  .card-link .arrow {
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: var(--bg-mist);
    color: var(--brand-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: background .3s, color .3s;
  }

  .card-link:hover .arrow {
    background: var(--brand-gold);
    color: #fff;
  }

  /* ---------- 页脚 ---------- */
  .footer-title {
    color: var(--brand-goldlight);
    font-size: 15px;
    font-weight: 600;
  }

  .footer-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: color .3s;
    display: inline-block;
    padding: 5px 0;
  }

  .footer-link:hover {
    color: var(--brand-goldlight);
  }

  .placeholder-note {
    display: inline-block;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.4);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 640px) {
    body {
      font-size: 15px;
    }
    .btn-primary,
    .btn-outline-light,
    .btn-gold {
      padding: 11px 24px;
      font-size: 14px;
    }
    .card-link {
      padding: 22px 48px 22px 20px;
    }
  }