/* ==========================================================================
   方案05 东方雅致·纸墨信息 - XingHua Cloud 核心样式表
   主题色彩：暖宣纸白、黛青、淡竹绿、墨灰与朱砂印记
   ========================================================================== */

:root {
  /* 东方雅致纸墨调色板 */
  --bg-paper: #FBF9F5;
  --bg-paper-alt: #F3EFE6;
  --bg-card: #FFFFFF;
  --color-dai: #203A4B;          /* 黛青主色 */
  --color-dai-dark: #152733;     /* 深黛青 */
  --color-dai-light: #355A70;    /* 浅黛青 */
  --color-bamboo: #3E634E;       /* 淡竹绿 */
  --color-bamboo-bg: #EAF2EC;    /* 竹影底色 */
  --color-bamboo-border: #9BB9A5;/* 竹绿线 */
  --color-ink: #23272A;          /* 焦墨正文 */
  --color-ink-light: #525B62;    /* 浓墨次要文本 */
  --color-ink-pale: #7D878F;     /* 淡墨说明 */
  --color-border: #E4DDD1;       /* 宣纸折痕边框 */
  --color-cinnabar: #B5362F;     /* 朱砂印章色 */
  --color-cinnabar-hover: #962B25;
  
  /* 间距与圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-subtle: 0 4px 20px rgba(32, 58, 75, 0.05);
  --shadow-card: 0 6px 24px rgba(32, 58, 75, 0.08);
  --container-max: 1180px;
  --nav-height: 72px;
}

/* 全局重置与排版规范 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-paper);
  color: var(--color-ink);
  line-height: 1.75;
  font-feature-settings: "liga" 1;
  background-image: radial-gradient(circle at 10% 20%, rgba(62, 99, 78, 0.02) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(32, 58, 75, 0.03) 0%, transparent 50%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 键盘焦点无障碍与 Skip Link */
:focus-visible {
  outline: 2px solid var(--color-dai);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-dai);
  color: #FFFFFF;
  padding: 10px 18px;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

/* 容器与通用栅格 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 导航栏 (Header) */
.site-header {
  position: sticky;
  top: 0;
  height: var(--nav-height);
  background-color: rgba(251, 249, 245, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}

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

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--color-dai-dark);
}

.brand-icon, .brand-logo-img {
  height: 36px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  display: block;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-dai-dark);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--color-bamboo);
  background: var(--color-bamboo-bg);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 0;
  border: 1px solid var(--color-bamboo-border);
  white-space: nowrap;
  line-height: 1.2;
}

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

.nav-link {
  text-decoration: none;
  color: var(--color-ink-light);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background-color 0.2s ease;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-dai);
  background-color: var(--bg-paper-alt);
}

/* 导航搜索框 */
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  background-color: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 6px 14px 6px 32px;
  font-size: 0.875rem;
  color: var(--color-ink);
  width: 170px;
  transition: width 0.3s ease, border-color 0.2s ease;
}

.search-input:focus {
  width: 220px;
  border-color: var(--color-dai);
}

.search-icon-decor {
  position: absolute;
  left: 10px;
  width: 14px;
  height: 14px;
  pointer-events: none;
  stroke: var(--color-ink-pale);
}

.search-results-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 8px;
  display: none;
  z-index: 1000;
  max-height: 380px;
  overflow-y: auto;
}

.search-results-dropdown.show {
  display: block;
}

.search-result-item {
  display: block;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  border-bottom: 1px dashed var(--color-border);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover, .search-result-item:focus {
  background: var(--bg-paper-alt);
  color: var(--color-dai);
}

/* 移动端菜单切换 */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* Hero 区域：东方雅致竹墨意境与云笺花影独立背景层 */
.hero-section {
  position: relative;
  padding: 64px 0 54px;
  overflow: hidden;
  background-color: var(--bg-paper);
  border-bottom: 1px solid var(--color-border);
}

.hero-bg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/public/brand/xinghuayun/hero-desktop.webp');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 1;
  animation: heroFloat 22s ease-in-out infinite alternate;
}

@keyframes heroFloat {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-8px);
  }
}

@media (max-width: 767px) {
  .hero-bg-layer {
    background-image: url('/public/brand/xinghuayun/hero-mobile.webp');
    background-position: top right;
    animation: heroFloatMobile 20s ease-in-out infinite alternate;
  }
  @keyframes heroFloatMobile {
    0% {
      transform: translateY(0);
    }
    100% {
      transform: translateY(-6px);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg-layer {
    animation: none !important;
  }
}

.hero-backdrop {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 840px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-bamboo);
  background-color: var(--color-bamboo-bg);
  border: 1px solid var(--color-bamboo-border);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  color: var(--color-dai-dark);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-ink-light);
  line-height: 1.7;
  margin-bottom: 28px;
}

/* 最低价显眼锚定区 */
.hero-pricing-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-bamboo);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 32px;
}

.price-callout {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.price-label {
  font-size: 0.875rem;
  color: var(--color-ink-pale);
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-cinnabar);
}

.price-amount {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-cinnabar);
  line-height: 1;
}

.price-period {
  font-size: 0.95rem;
  color: var(--color-ink-light);
}

.price-meta {
  font-size: 0.875rem;
  color: var(--color-ink-muted);
  border-left: 1px solid var(--color-border);
  padding-left: 16px;
  flex: 1;
  min-width: 220px;
}

.price-meta strong {
  color: var(--color-dai);
}

/* 核心 CTA 按钮规范 */
.cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-cinnabar);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  min-height: 48px;
  min-width: 44px;
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: 0 3px 10px rgba(181, 54, 47, 0.25);
  transition: background-color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--color-cinnabar-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--color-dai);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  min-height: 48px;
  min-width: 44px;
  border: 1px solid var(--color-dai);
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.btn-secondary:hover {
  background-color: var(--color-dai);
  color: #FFFFFF;
}

/* 热门套餐推荐卡片群 */
.section-padding {
  padding: 64px 0;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 44px;
}

.section-tag {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-bamboo);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--color-dai-dark);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-ink-light);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.plan-card.featured {
  border: 2px solid var(--color-bamboo);
  background: linear-gradient(180deg, #FFFFFF 0%, #FAFBF9 100%);
}

.plan-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--color-bamboo);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 0.04em;
}

.plan-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--color-border);
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  margin-bottom: 6px;
}

.plan-sub {
  font-size: 0.85rem;
  color: var(--color-ink-pale);
}

.plan-price-wrap {
  margin-bottom: 20px;
}

.plan-price-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-cinnabar);
}

.plan-unit {
  font-size: 0.9rem;
  color: var(--color-ink-light);
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.plan-feature-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--color-ink-light);
  margin-bottom: 10px;
}

.feature-check {
  color: var(--color-bamboo);
  font-weight: bold;
}

.plan-cta {
  width: 100%;
}

/* 品牌简介与特点网格 */
.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.intro-box {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
}

.intro-box-icon {
  width: 44px;
  height: 44px;
  background: var(--color-bamboo-bg);
  color: var(--color-bamboo);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
  border: 1px solid var(--color-bamboo-border);
}

.intro-box-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  margin-bottom: 8px;
}

.intro-box-text {
  font-size: 0.925rem;
  color: var(--color-ink-light);
  line-height: 1.65;
}

/* 卷轴式知识索引 (Scroll Index) - 真实 HTML <a> 结构 */
.scroll-shelf {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-subtle);
  position: relative;
  background-image: linear-gradient(to right, rgba(228, 221, 209, 0.2) 1px, transparent 1px);
  background-size: 32px 100%;
}

.scroll-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-border);
}

.scroll-main-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-link-viewall {
  font-size: 0.9rem;
  color: var(--color-bamboo);
  text-decoration: none;
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.scroll-link-viewall:hover {
  text-decoration: underline;
}

.scroll-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.scroll-item {
  background: var(--bg-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.scroll-item:hover {
  border-color: var(--color-dai);
  background-color: var(--bg-paper-alt);
}

.scroll-tag {
  font-size: 0.75rem;
  color: var(--color-dai-light);
  font-weight: 600;
  margin-bottom: 6px;
}

.scroll-article-link {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  text-decoration: none;
  line-height: 1.45;
  margin-bottom: 8px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.scroll-article-link:hover {
  color: var(--color-cinnabar);
}

.scroll-snippet {
  font-size: 0.85rem;
  color: var(--color-ink-light);
  line-height: 1.6;
  margin-top: auto;
}

/* 完整套餐对比表 (Semantic Table) */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 24px;
}

.plans-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
  min-width: 680px;
}

.plans-table caption {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  padding: 16px 20px;
  text-align: left;
  background: var(--bg-paper-alt);
  border-bottom: 1px solid var(--color-border);
}

.plans-table th, .plans-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
}

.plans-table thead th {
  background-color: var(--bg-paper);
  color: var(--color-dai-dark);
  font-weight: 700;
  white-space: nowrap;
}

.plans-table tbody tr:hover {
  background-color: rgba(62, 99, 78, 0.03);
}

.plans-table tbody tr:last-child td {
  border-bottom: none;
}

.table-cta {
  padding: 8px 18px;
  font-size: 0.875rem;
  background: var(--color-cinnabar);
  color: #FFFFFF;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  line-height: 1;
}

.table-cta:hover {
  background: var(--color-cinnabar-hover);
}

.plans-table td:last-child,
.plans-table th:last-child {
  white-space: nowrap;
  text-align: center;
  width: 1%;
}

/* FAQ 常见问答（默认展开 details[open]） */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  box-shadow: var(--shadow-subtle);
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dai-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
}

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

.faq-question::after {
  content: "▾";
  font-size: 1.2rem;
  color: var(--color-bamboo);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border);
  font-size: 0.95rem;
  color: var(--color-ink-light);
  line-height: 1.7;
}

/* 文章详情页专用样式 */
.article-container {
  max-width: 860px;
  margin: 40px auto 60px;
}

.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--color-ink-pale);
  margin-bottom: 12px;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  color: var(--color-dai-dark);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}

.article-lead {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  background: var(--bg-paper-alt);
  padding: 16px 20px;
  border-left: 4px solid var(--color-bamboo);
  border-radius: var(--radius-sm);
  line-height: 1.7;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-ink);
}

.article-content h2 {
  font-size: 1.55rem;
  color: var(--color-dai-dark);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--color-dai);
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content code {
  background: var(--bg-paper-alt);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: Consolas, Monaco, "Courier New", monospace;
}

.article-content pre {
  background: #1F2428;
  color: #F0F6FC;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 24px;
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-content pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}

.article-content blockquote {
  border-left: 4px solid var(--color-dai);
  background: var(--bg-paper-alt);
  padding: 14px 20px;
  margin: 24px 0;
  font-style: italic;
  color: var(--color-ink-light);
}

.article-card-notice {
  background: var(--color-bamboo-bg);
  border: 1px solid var(--color-bamboo-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 32px 0;
}

.article-card-notice h4 {
  color: var(--color-bamboo);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.related-box {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 48px;
}

.related-title {
  font-size: 1.15rem;
  color: var(--color-dai-dark);
  font-weight: 700;
  margin-bottom: 16px;
}

.related-links {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.related-links a {
  text-decoration: none;
  color: var(--color-dai);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.related-links a:hover {
  color: var(--color-cinnabar);
  text-decoration: underline;
}

/* 页脚 (Footer) - 严格限制为 4 个独立入口 */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-paper-alt);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  font-size: 0.875rem;
  color: var(--color-ink-light);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.footer-nav a {
  color: var(--color-dai);
  text-decoration: none;
  font-weight: 500;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav a:hover {
  color: var(--color-cinnabar);
  text-decoration: underline;
}

.footer-disclaimer {
  max-width: 820px;
  font-size: 0.8rem;
  color: var(--color-ink-pale);
  line-height: 1.6;
}

.footer-copy {
  color: var(--color-ink-pale);
  font-size: 0.8rem;
}

/* 响应式断点处理 */
@media (max-width: 860px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-paper);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    display: none;
    box-shadow: var(--shadow-card);
  }
  
  .main-nav.open {
    display: flex;
  }
  
  .nav-search {
    width: 100%;
  }
  
  .search-input {
    width: 100%;
  }
  
  .search-input:focus {
    width: 100%;
  }
  
  .hero-backdrop {
    display: none;
  }
  
  .hero-pricing-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .price-meta {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-left: 0;
    padding-top: 12px;
    width: 100%;
  }
  
  .cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
  }
}