```css
/* ========== 麻豆传媒官网 - 完整样式表 ========== */
/* 风格：现代科技 + 品牌深蓝 + 渐变光效 */
/* 支持：暗色模式 / 响应式 / 毛玻璃 / 滚动动画 */

/* ---------- 全局变量与重置 ---------- */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #eef2f7;
  --bg-tertiary: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-heading: #0f172a;
  --text-link: #1e4b7a;
  --text-code: #0f172a;
  --border-light: #d1d9e6;
  --border-medium: #cbd5e1;
  --card-bg: rgba(255, 255, 255, 0.75);
  --card-bg-solid: #ffffff;
  --nav-bg: rgba(11, 43, 74, 0.9);
  --nav-text: #f0f4f8;
  --footer-bg: #0f1c2e;
  --footer-text: #d0dbe8;
  --badge-bg: #e6edf5;
  --btn-bg: #0b2b4a;
  --btn-text: #ffffff;
  --hover-bg: #123b5e;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
  --glow-primary: 0 0 20px rgba(11, 43, 74, 0.3);
  --gradient-banner: linear-gradient(135deg, #0b2b4a 0%, #1a4b77 50%, #2d6a9f 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(238,242,247,0.8) 100%);
  --gradient-text: linear-gradient(135deg, #0b2b4a, #1a4b77);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: blur(12px);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", Consolas, monospace;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;
  --container-max: 1280px;
  --header-height: 72px;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #1a222c;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-heading: #f8fafc;
  --text-link: #8ab4f8;
  --text-code: #e2e8f0;
  --border-light: #2d3f50;
  --border-medium: #334155;
  --card-bg: rgba(30, 41, 59, 0.75);
  --card-bg-solid: #1e293b;
  --nav-bg: rgba(10, 20, 31, 0.92);
  --nav-text: #e5edf5;
  --footer-bg: #0b1119;
  --footer-text: #cbd5e1;
  --badge-bg: #283544;
  --btn-bg: #274b6d;
  --btn-text: #ffffff;
  --hover-bg: #1f405c;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.6);
  --glow-primary: 0 0 24px rgba(56, 130, 246, 0.25);
  --gradient-banner: linear-gradient(135deg, #0a141f 0%, #1a2a3a 60%, #274b6d 100%);
  --gradient-card: linear-gradient(145deg, rgba(30,41,59,0.85) 0%, rgba(15,23,42,0.9) 100%);
  --gradient-text: linear-gradient(135deg, #8ab4f8, #60a5fa);
  --glass-bg: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(148, 163, 184, 0.2);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  letter-spacing: 0.01em;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* 选中文本 */
::selection {
  background: var(--btn-bg);
  color: var(--btn-text);
}

/* ---------- 排版 ---------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  border-left: 6px solid var(--btn-bg);
  padding-left: 1.2rem;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 60px;
  height: 2px;
  background: var(--gradient-banner);
  border-radius: 2px;
}

h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 1.5rem;
}

h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.8;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration 0.2s ease;
  position: relative;
}

a:hover {
  color: var(--btn-bg);
  text-decoration: underline;
}

ul, ol {
  margin: 0 0 1.5rem 1.8rem;
  padding: 0;
}

li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

strong {
  font-weight: 700;
  color: var(--text-heading);
}

/* ---------- 容器 ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 导航栏 ---------- */
.site-header {
  background-color: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--nav-text);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0.3s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  flex-wrap: wrap;
  min-height: var(--header-height);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #1e3a5f, #2d6a9f);
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
  box-shadow: 0 4px 15px rgba(11, 43, 74, 0.4);
  transition: var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(11, 43, 74, 0.6);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links > a {
  color: var(--nav-text);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0.2rem;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width 0.3s ease;
}

.nav-links > a:hover {
  color: #ffffff;
  text-decoration: none;
}

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

.theme-toggle, .search-btn {
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 50%;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover, .search-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: rotate(15deg) scale(1.1);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 8px;
  transition: var(--transition-base);
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 搜索容器 */
.search-container {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  padding: 4px 6px;
  backdrop-filter: blur(8px);
}

.search-container input {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: #ffffff;
  font-size: 0.9rem;
  width: 140px;
  outline: none;
  transition: width 0.3s ease;
}

.search-container input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-container input:focus {
  width: 180px;
  background: rgba(255, 255, 255, 0.15);
}

/* 移动导航 */
.mobile-nav {
  display: none;
  flex-direction: column;
  background-color: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav a {
  color: var(--nav-text);
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 500;
  transition: padding-left 0.2s ease;
}

.mobile-nav a:hover {
  padding-left: 1rem;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
}

.mobile-nav input {
  margin-top: 1rem;
  padding: 10px 16px;
  border-radius: var(--radius-full);
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  outline: none;
}

.mobile-nav input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: transparent;
}

.breadcrumb a {
  color: var(--text-link);
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

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

/* ---------- Banner 区域 ---------- */
.banner {
  background: var(--gradient-banner);
  color: #ffffff;
  padding: 4rem 0;
  border-radius: 0 0 48px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.banner-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.banner-text {
  flex: 1 1 380px;
  animation: fadeInUp 0.8s ease;
}

.banner-text h1 {
  color: #ffffff;
  font-size: clamp(2rem, 4vw, 3rem);
  -webkit-text-fill-color: #ffffff;
  margin-bottom: 0.8rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.banner-text p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.banner-cta {
  background: linear-gradient(135deg, #ffb347, #ffa733);
  color: #0b2b4a;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  display: inline-block;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(255, 179, 71, 0.4);
  transition: var(--transition-base);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.banner-cta:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(255, 179, 71, 0.6);
  text-decoration: none;
  color: #0b2b4a;
}

.banner svg {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transition: var(--transition-slow);
  animation: float 3s ease-in-out infinite;
}

.banner svg:hover {
  transform: scale(1.03) rotate(1deg);
}

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-banner);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--btn-bg);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--text-heading);
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card a {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.2s ease;
}

.card a:hover {
  gap: 0.6rem;
  text-decoration: none;
}

/* ---------- 文章列表 ---------- */
.article-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.8rem;
  margin: 2rem 0;
}

.article-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.article-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--btn-bg);
}

.article-item time {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
}

.article-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.article-item p {
  font-size: 0.92rem;
  margin-bottom: 0;
  flex-grow: 1;
}

.article-item a {
  font-weight: 600;
  margin-top: 0.8rem;
  display: inline-block;
}

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-medium);
}

.faq-question {
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-heading);
  font-size: 1.05rem;
  padding: 0.3rem 0;
  transition: color 0.2s ease;
  user-select: none;
}

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

.faq-question span {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--btn-bg);
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item.active .faq-question span {
  transform: rotate(45deg);
}

.faq-answer {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-primary);
  animation: fadeIn 0.3s ease;
}

/* ---------- 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  margin: 1.8rem 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

th, td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  transition: background-color 0.2s ease;
}

th {
  background: var(--gradient-banner);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
}

td {
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--bg-secondary);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 3.5rem 0 1.5rem;
  margin-top: 4rem;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-banner);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
}

.footer-grid h4 {
  color: #ffffff;
  margin-bottom: 1.2rem;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-grid h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--btn-bg);
}

.footer-grid a {
  color: var(--footer-text);
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.92rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-grid a:hover {
  color: #ffffff;
  padding-left: 6px;
  text-decoration: none;
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 2.5rem;
  color: var(--footer-text);
  font-size: 0.9rem;
}

.copyright p {
  margin-bottom: 0.3rem;
  color: var(--footer-text);
}

/* ---------- 按钮 ---------- */
.btn {
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-block;
  transition: var(--transition-base);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  background: var(--hover-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--btn-text);
}

/* ---------- 工具类 ---------- */
.text-secondary {
  color: var(--text-secondary);
}

.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1.5rem; }

.svg-placeholder {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  border: 2px dashed var(--border-medium);
}

/* 联系信息 */
address {
  font-style: normal;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
}

address p {
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

address strong {
  font-size: 1.1rem;
}

/* 返回顶部按钮 */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--btn-bg);
  color: var(--btn-text);
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
  transition: var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

#backToTop.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

#backToTop:hover {
  background: var(--hover-bg);
  transform: translateY(-4px) scale(1.1);
  box-shadow: var(--glow-primary);
}

/* ---------- 动画 ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* 滚动进入动画 */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* 内容区块入场动画 */
section[id] {
  animation: fadeInUp 0.6s ease both;
}

section[id]:nth-child(2) { animation-delay: 0.1s; }
section[id]:nth-child(3) { animation-delay: 0.2s; }
section[id]:nth-child(4) { animation-delay: 0.3s; }

/* ---------- 响应式设计 ---------- */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .nav-links {
    gap: 1.2rem;
  }

  .search-container input {
    width: 110px;
  }

  .search-container input:focus {
    width: 140px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

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

  .banner-content {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .banner-text {
    flex: 1 1 100%;
  }

  .banner-text p {
    font-size: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
    border-left-width: 4px;
    padding-left: 0.8rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .article-list {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .copyright {
    font-size: 0.8rem;
  }

  .banner {
    border-radius: 0 0 32px 32px;
    padding: 3rem 0;
  }

  .table-wrap {
    font-size: 0.9rem;
  }

  th, td {
    padding: 10px 12px;
  }

  #backToTop {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .logo {
    font-size: 1.2rem;
    padding: 0.3rem 1rem;
  }

  .banner-text h1 {
    font-size: 1.6rem;
  }

  .banner-text p {
    font-size: 0.95rem;
  }

  .banner-cta {
    padding: 12px 24px;
    font-size: 0.9rem;
  }

  .card {
    padding: 1.5rem;
  }

  .faq-item {
    padding: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  address {
    padding: 1.2rem;
  }

  .banner svg {
    width: 100%;
    height: auto;
  }

  .search-container {
    display: none;
  }

  .mobile-nav input {
    width: 100%;
  }
}

/* ---------- 暗色模式额外适配 ---------- */
[data-theme="dark"] .banner {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .banner-cta {
  color: #0b2b4a;
  background: linear-gradient(135deg, #ffb347, #f59e0b);
}

[data-theme="dark"] .card {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}

[data-theme="dark"] .faq-item {
  background: var(--glass-bg);
}

[data-theme="dark"] .article-item {
  background: var(--glass-bg);
}

[data-theme="dark"] table {
  background: var(--bg-tertiary);
}

[data-theme="dark"] th {
  background: #1e293b;
  color: #f8fafc;
}

[data-theme="dark"] address {
  background: var(--glass-bg);
}

/* ---------- 打印样式 ---------- */
@media print {
  .site-header,
  .banner,
  .site-footer,
  #backToTop,
  .mobile-menu-btn,
  .theme-toggle,
  .search-container {
    display: none !important;
  }

  body {
    background: #ffffff;
    color: #000000;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  h1, h2, h3, h4 {
    color: #000000;
  }

  .card, .article-item, .faq-item {
    background: #ffffff;
    border: 1px solid #ddd;
    box-shadow: none;
  }
}

/* ---------- 无障碍 & 焦点样式 ---------- */
:focus-visible {
  outline: 3px solid var(--btn-bg);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-to-content {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 1rem;
  z-index: 9999;
  border-radius: 0 0 8px 0;
  transition: left 0.2s ease;
}

.skip-to-content:focus {
  left: 0;
}

/* 减少动态效果偏好 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
```