/* ===== 公开人物与事件资料库 - 主样式表 ===== */
/* 暗色高级感、卡片化布局、移动端优先 */

:root {
  --color-primary: #6c5ce7;
  --color-primary-light: #a29bfe;
  --color-primary-dark: #4a3db8;
  --color-accent: #00cec9;
  --color-accent-light: #81ecec;
  --color-warning: #fdcb6e;
  --color-danger: #e17055;
  --color-success: #00b894;
  --color-bg: #0f0f1a;
  --color-bg-secondary: #1a1a2e;
  --color-bg-card: #16213e;
  --color-bg-card-hover: #1e2d4f;
  --color-text: #e8e8f0;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #6c6c8a;
  --color-border: #2a2a4a;
  --color-border-light: #3a3a5a;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.3);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
  --max-width: 1200px;
}

/* ===== 重置与基础 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

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

ul, ol {
  list-style: none;
}

/* ===== 布局容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  position: relative;
  padding-left: var(--spacing-md);
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.site-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav-main {
  display: none;
}

.nav-main.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md);
  gap: var(--spacing-sm);
}

.nav-main a {
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-size: 0.95rem;
}

.nav-main a:hover,
.nav-main a.active {
  color: var(--color-text);
  background: var(--color-bg-card);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.2rem;
}

.btn-search-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 1rem;
}

/* ===== 首屏英雄区 ===== */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-secondary) 50%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(108, 92, 231, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(0, 206, 201, 0.05) 0%, transparent 50%);
  animation: heroGlow 15s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-5%, 5%); }
}

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

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

.hero-search {
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  position: relative;
}

.hero-search input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-search input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.hero-search button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-search button:hover {
  transform: translateY(-50%) scale(1.02);
  box-shadow: var(--shadow-glow);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* ===== 卡片系统 ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.card-body {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(108, 92, 231, 0.15);
  color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  border: 1px solid rgba(108, 92, 231, 0.3);
}

.tag-accent {
  background: rgba(0, 206, 201, 0.12);
  color: var(--color-accent-light);
  border-color: rgba(0, 206, 201, 0.3);
}

/* ===== 状态标记 ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-verified {
  background: rgba(0, 184, 148, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(0, 184, 148, 0.3);
}

.status-pending {
  background: rgba(253, 203, 110, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(253, 203, 110, 0.3);
}

.status-unverified {
  background: rgba(225, 112, 85, 0.12);
  color: var(--color-danger);
  border: 1px solid rgba(225, 112, 85, 0.3);
}

/* ===== 标签筛选栏 ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===== FAQ 手风琴 ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  transition: background var(--transition-fast);
}

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

.faq-question::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-primary-light);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-question::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--spacing-xl) + 4px);
  top: var(--spacing-lg);
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 2px solid var(--color-bg);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

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

.breadcrumb span {
  color: var(--color-text-muted);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.footer-nav-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.footer-nav-list a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.footer-nav-list a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

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

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), #009e9a);
  color: #fff;
}

/* ===== 公开来源说明 ===== */
.source-notice {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.source-notice-title {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.source-notice p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== 合规提醒条 ===== */
.compliance-bar {
  background: rgba(108, 92, 231, 0.08);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.compliance-bar p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  z-index: 900;
  font-size: 1.2rem;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

/* ===== PWA 安装提示 ===== */
.pwa-prompt {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  display: none;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  max-width: 90%;
}

.pwa-prompt.show {
  display: flex;
}

.pwa-prompt-text {
  font-size: 0.85rem;
  color: var(--color-text);
}

.pwa-prompt-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.2rem;
}

/* ===== 搜索结果 ===== */
.search-results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.search-result-item {
  padding: var(--spacing-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.search-result-item:hover {
  border-color: var(--color-primary);
}

.search-result-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.search-result-title a {
  color: var(--color-text);
}

.search-result-path {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.search-result-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== 表单 ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== 提示弹窗 ===== */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--color-success);
  color: #fff;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 2000;
  box-shadow: var(--shadow-md);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===== 页面特定 - 404 ===== */
.page-404 {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.page-404 h1 {
  font-size: 5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-404 p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: var(--spacing-md) 0 var(--spacing-xl);
}

.page-404-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

/* ===== 内容页 ===== */
.page-content {
  padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.page-intro {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
}

.content-block {
  margin-bottom: var(--spacing-2xl);
}

.content-block h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.content-block h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.content-block p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

/* ===== 榜单切换 ===== */
.tab-nav {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-sm);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
  color: var(--color-primary-light);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ===== 更新日志 ===== */
.update-log {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.update-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.update-date {
  font-size: 0.8rem;
  color: var(--color-accent);
  white-space: nowrap;
  min-width: 80px;
}

.update-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }

  .nav-main {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: static;
    background: none;
    border: none;
    padding: 0;
    flex-direction: row;
  }

  .btn-menu {
    display: none;
  }

  .section-title {
    font-size: 2rem;
  }
}

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

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

  .hero h1 {
    font-size: 3.5rem;
  }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== 搜索提示 ===== */
.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
  display: none;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

.search-suggestions.show {
  display: block;
}

.search-suggestion-item {
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: background var(--transition-fast);
}

.search-suggestion-item:hover {
  background: var(--color-bg-card-hover);
  color: var(--color-text);
}

/* ===== 列表样式 ===== */
.info-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.info-list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.info-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
}

/* ===== 下载按钮区 ===== */
.download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.download-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.download-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.download-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
}

.download-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.download-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

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

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