```css
/* ===== 基础与变量 ===== */
:root {
  --bg: #fefcf8;
  --bg-alt: #faf6ef;
  --text-main: #2c2c2c;
  --text-secondary: #5a5a5a;
  --text-heading: #1a1a1a;
  --text-link: #c2571b;
  --border-color: #e8e0d4;
  --card-bg: #ffffff;
  --nav-bg: rgba(255, 252, 247, 0.88);
  --footer-bg: #2b2b2b;
  --footer-text: #e8e2d8;
  --accent: #d4652a;
  --accent-dark: #b04e1a;
  --accent-gradient: linear-gradient(135deg, #e8853a 0%, #d4652a 50%, #b04e1a 100%);
  --shadow: 0 12px 28px -8px rgba(180, 120, 60, 0.12), 0 4px 12px rgba(0, 0, 0, 0.03);
  --radius: 18px;
  --container: 1280px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #1e1a17;
  --bg-alt: #2a2520;
  --text-main: #ddd6cb;
  --text-secondary: #b5aca0;
  --text-heading: #f5efe6;
  --text-link: #e8a87c;
  --border-color: #4a4036;
  --card-bg: #2a2520;
  --nav-bg: rgba(30, 26, 23, 0.9);
  --footer-bg: #16130f;
  --footer-text: #c9c1b5;
  --accent: #e09060;
  --accent-dark: #c5723e;
  --accent-gradient: linear-gradient(135deg, #e8a87c 0%, #d4652a 100%);
  --shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.5), 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

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

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.75;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 0.6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: 2rem;
  margin: 3rem 0 1.2rem;
  padding-left: 18px;
  border-left: 4px solid var(--accent);
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 40px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

h3 {
  font-size: 1.4rem;
  margin: 1.6rem 0 0.8rem;
}

h4 {
  font-size: 1.15rem;
  margin: 1.2rem 0 0.6rem;
  color: var(--text-secondary);
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--accent);
  text-decoration: none;
}

a:not(.logo):not(.article-card a):not(.back-to-top)::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.3s ease;
}

a:not(.logo):not(.article-card a):not(.back-to-top):hover::after {
  width: 100%;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: var(--accent-gradient);
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(212, 101, 42, 0.25);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 101, 42, 0.35);
}

button:active {
  transform: translateY(0);
}

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

/* ===== 卡片通用 ===== */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(180, 120, 60, 0.18);
  border-color: var(--accent);
}

.card:hover::before {
  opacity: 1;
}

/* ===== 导航吸顶 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.4s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}

.logo {
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.logo:hover {
  transform: scale(1.02);
}

.logo::after {
  display: none;
}

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 30px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  display: none;
}

.nav-links a:hover {
  color: var(--accent);
  background: rgba(212, 101, 42, 0.08);
  transform: translateY(-1px);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 40px;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: none;
}

.icon-btn:hover {
  background: var(--bg-alt);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: none;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border-radius: 50px;
  padding: 4px 4px 4px 18px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  flex-shrink: 0;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 101, 42, 0.1);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 8px 0;
  width: 150px;
  color: var(--text-main);
  outline: none;
  font-size: 0.9rem;
}

.search-box input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.search-box button {
  background: var(--accent-gradient);
  color: white;
  font-size: 1rem;
  padding: 8px 14px;
  border-radius: 50%;
  box-shadow: none;
  min-width: 38px;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-box button:hover {
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(212, 101, 42, 0.3);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-main);
  padding: 4px 8px;
  box-shadow: none;
  line-height: 1;
}

.menu-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
  box-shadow: none;
}

/* ===== 移动菜单 ===== */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--border-color);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.mobile-menu a {
  color: var(--text-main);
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 12px;
  transition: background 0.2s;
}

.mobile-menu a:hover {
  background: rgba(212, 101, 42, 0.08);
  color: var(--accent);
}

/* ===== Banner 轮播 ===== */
.banner-section {
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 50%, var(--bg-alt) 100%);
  padding: 3rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.banner-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 101, 42, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.banner-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 101, 42, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  gap: 28px;
  padding-bottom: 16px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.slider::-webkit-scrollbar {
  display: none;
}

.slide {
  min-width: calc(50% - 14px);
  flex-shrink: 0;
  scroll-snap-align: start;
  background: var(--card-bg);
  border-radius: 24px;
  padding: 2.8rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-gradient);
  opacity: 0.6;
}

.slide:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 24px 48px -12px rgba(180, 120, 60, 0.2);
}

.slide:first-child {
  min-width: 100%;
  background: linear-gradient(135deg, var(--card-bg) 60%, rgba(212, 101, 42, 0.05));
}

.slide h2 {
  border: none;
  padding-left: 0;
  margin-top: 1rem;
  font-size: 2.2rem;
}

.slide h2::after {
  display: none;
}

.slide p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
}

.slide .badge {
  display: inline-block;
  margin-bottom: 1rem;
}

/* ===== 网格 ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

/* ===== 文章卡片 ===== */
.article-card {
  display: flex;
  flex-direction: column;
  padding: 1.8rem;
  border-radius: var(--radius);
}

.article-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.4;
  transition: color 0.3s;
}

.article-card:hover h3 {
  color: var(--accent);
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 1.2rem;
}

.article-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-meta::before {
  content: '🖋️';
  font-size: 1rem;
}

.article-card a {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s;
}

.article-card a::after {
  display: none;
}

.article-card a:hover {
  gap: 8px;
  color: var(--accent-dark);
}

/* ===== FAQ 样式 ===== */
.faq-list {
  margin-top: 1rem;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 0;
  transition: background 0.3s;
  border-radius: 12px;
  margin-bottom: 2px;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-heading);
  cursor: pointer;
  padding: 1.2rem 1rem;
  transition: color 0.3s;
  user-select: none;
  gap: 16px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text-main);
  padding: 0 1rem;
}

.faq-answer p {
  padding-bottom: 1.2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.faq-item.active {
  background: rgba(212, 101, 42, 0.03);
}

.faq-item.active .faq-answer {
  max-height: 800px;
}

.faq-toggle {
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 300;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(212, 101, 42, 0.1);
  transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* ===== 页脚 ===== */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 4rem 0 1.5rem;
  margin-top: 5rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

footer a {
  color: #c9c1b5;
  transition: color 0.3s;
  position: relative;
}

footer a::after {
  display: none;
}

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

footer h4 {
  color: #f5efe6;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 2rem;
}

.footer-grid p {
  color: var(--footer-text);
  opacity: 0.85;
  font-size: 0.92rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.88rem;
  opacity: 0.75;
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--accent-gradient);
  color: white;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(212, 101, 42, 0.3);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  padding: 0;
  line-height: 1;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(212, 101, 42, 0.4);
}

/* ===== 徽章 ===== */
.badge {
  background: var(--accent-gradient);
  color: white;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  display: inline-block;
  box-shadow: 0 2px 10px rgba(212, 101, 42, 0.2);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 1.5rem 0;
  padding: 12px 20px;
  background: var(--bg-alt);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

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

/* ===== 区块间距 ===== */
section {
  margin-bottom: 1rem;
}

section > .container {
  scroll-margin-top: 90px;
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===== 主题切换按钮 ===== */
#themeToggle {
  position: relative;
  font-size: 1.1rem;
  padding: 8px 14px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 内容强调 ===== */
strong {
  font-weight: 700;
  color: var(--text-heading);
}

/* ===== 链接按钮样式 ===== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent-gradient);
  color: white;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(212, 101, 42, 0.25);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 101, 42, 0.35);
  color: white;
}

.btn::after {
  display: none;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .slide {
    min-width: 80%;
  }
}

@media (max-width: 900px) {
  .nav-links, .search-box {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-inner {
    flex-wrap: wrap;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .slide {
    min-width: 85%;
    padding: 2rem;
  }
  
  .slide:first-child {
    min-width: 100%;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.7rem;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 20px;
  }
  
  .slide {
    min-width: 92%;
    padding: 1.8rem;
    border-radius: 18px;
  }
  
  .slide h2 {
    font-size: 1.7rem;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  h1 {
    font-size: 1.9rem;
  }
  
  h2 {
    font-size: 1.5rem;
    margin-top: 2.5rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }
  
  .logo {
    font-size: 1.3rem;
  }
  
  .menu-toggle {
    font-size: 1.6rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .navbar, .back-to-top, .mobile-menu, .menu-toggle {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}

/* ===== 自定义滚动条 ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-alt);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  border-radius: 10px;
  border: 2px solid var(--bg-alt);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-dark);
}

/* ===== 选中样式 ===== */
::selection {
  background: var(--accent);
  color: white;
}

/* ===== 焦点可见性 ===== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 暗色模式过渡 ===== */
body, .card, .navbar, footer, .slide, .breadcrumb {
  transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

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

/* ===== 卡片内列表 ===== */
.card ul, .card ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.card li {
  margin-bottom: 0.5rem;
}

/* ===== 联系区块 ===== */
#contact .grid-2 > div {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

#contact .grid-2 > div:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -8px rgba(180, 120, 60, 0.15);
}

#contact p {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

#contact p:last-child {
  margin-bottom: 0;
}

#contact strong {
  min-width: 60px;
  display: inline-block;
}

/* ===== 友情链接 ===== */
#contact a {
  margin-right: 12px;
  display: inline-block;
  padding: 4px 0;
}

/* ===== HowTo 区块 ===== */
#howto .card {
  max-width: 900px;
}

#howto .card h3 {
  color: var(--accent);
  font-size: 1.2rem;
  margin-top: 0.5rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px dashed var(--border-color);
}

#howto .card h4 {
  color: var(--text-heading);
  font-size: 1.05rem;
  margin-top: 1.5rem;
  position: relative;
  padding-left: 20px;
}

#howto .card h4::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

#howto .card p {
  color: var(--text-secondary);
  padding-left: 20px;
  font-size: 0.95rem;
}

/* ===== 用户评价 ===== */
#industry .card {
  position: relative;
  padding-left: 2.5rem;
}

#industry .card::before {
  content: '"';
  position: absolute;
  left: 1rem;
  top: 0.5rem;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

#industry .card h3 {
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

/* ===== 企业信息卡片 ===== */
#home + .container .card:first-child h3 {
  color: var(--accent);
}

#home + .container .card:last-child h3 {
  color: var(--accent);
}

/* ===== 章节锚点偏移 ===== */
section[id] {
  scroll-margin-top: 80px;
}

/* ===== 响应式微调 ===== */
@media (max-width: 480px) {
  .slide {
    min-width: 95%;
    padding: 1.5rem;
  }
  
  .slide h2 {
    font-size: 1.5rem;
  }
  
  .slide p {
    font-size: 0.92rem;
  }
  
  .card {
    padding: 1.3rem;
  }
  
  .article-card h3 {
    font-size: 1.1rem;
  }
  
  .faq-question {
    font-size: 0.95rem;
    padding: 1rem 0.8rem;
  }
  
  .faq-answer p {
    font-size: 0.9rem;
  }
  
  #contact p {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  #contact strong {
    min-width: auto;
  }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
```