```css

/* ===== 破处专题站 - 完整样式表 ===== */
/* 设计理念：温柔、信任、专业、现代感 */
/* 色彩系统：玫瑰粉 + 深空蓝 + 暖灰 */

:root {
  /* 主色板 - 温柔玫瑰 */
  --rose-50: #fff1f2;
  --rose-100: #ffe4e6;
  --rose-200: #fecdd3;
  --rose-300: #fda4af;
  --rose-400: #fb7185;
  --rose-500: #f43f5e;
  --rose-600: #e11d48;
  --rose-700: #be123c;

  /* 辅助色 - 深空蓝 */
  --ink-50: #f8fafc;
  --ink-100: #f1f5f9;
  --ink-200: #e2e8f0;
  --ink-300: #cbd5e1;
  --ink-400: #94a3b8;
  --ink-500: #64748b;
  --ink-600: #475569;
  --ink-700: #334155;
  --ink-800: #1e293b;
  --ink-900: #0f172a;

  /* 功能色 */
  --bg-main: #ffffff;
  --bg-card: var(--ink-50);
  --bg-deep: var(--ink-900);
  --bg-soft: var(--ink-100);
  --text-primary: var(--ink-800);
  --text-heading: var(--ink-900);
  --text-secondary: var(--ink-500);
  --text-link: #2563eb;
  --text-btn: #ffffff;
  --border-light: var(--ink-200);
  --accent: var(--rose-500);
  --accent-hover: var(--rose-600);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --shadow-rose: 0 8px 30px rgba(244, 63, 94, 0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* 暗黑模式变量覆盖 */
body.dark-mode {
  --bg-main: var(--ink-900);
  --bg-card: var(--ink-800);
  --bg-deep: #0b1120;
  --bg-soft: var(--ink-800);
  --text-primary: var(--ink-100);
  --text-heading: #f8fafc;
  --text-secondary: var(--ink-300);
  --text-link: #93c5fd;
  --border-light: var(--ink-700);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
  --shadow-rose: 0 8px 30px rgba(244, 63, 94, 0.2);
}

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

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

body {
  background: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  font-size: 16px;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4, h5 {
  color: var(--text-heading);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-top: 2.5rem; margin-bottom: 1.2rem; position: relative; padding-bottom: 0.6rem; }
h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--rose-400), var(--rose-600));
}
h3 { font-size: 1.4rem; margin-top: 1.8rem; margin-bottom: 0.8rem; }
h4 { font-size: 1.15rem; font-weight: 600; }

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
  color: var(--rose-500);
}

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

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 0.75rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none !important;
  transition: var(--transition);
  border: 2px solid transparent;
  box-shadow: var(--shadow-rose);
  letter-spacing: 0.01em;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(244, 63, 94, 0.3);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border-color: var(--rose-400);
  color: var(--rose-500) !important;
  box-shadow: none;
}

.btn-outline:hover {
  background: var(--rose-50);
  border-color: var(--rose-600);
  color: var(--rose-700) !important;
  box-shadow: none;
}

/* ===== 导航栏 ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-deep);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: 64px;
  gap: 0.5rem;
}

.logo a {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--rose-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -0.02em;
}

.logo a:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 0.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--ink-300);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

/* 搜索栏 */
.search-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.search-wrap input[type="search"] {
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.9rem;
  width: 180px;
  transition: var(--transition);
  outline: none;
}

.search-wrap input[type="search"]::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-wrap input[type="search"]:focus {
  border-color: var(--rose-400);
  background: rgba(255, 255, 255, 0.12);
  width: 220px;
}

.search-wrap button {
  background: var(--rose-500);
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.9rem;
  color: #fff;
}

.search-wrap button:hover {
  background: var(--rose-600);
  transform: scale(1.05);
}

.dark-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fafc;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.dark-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

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

/* 移动端菜单 */
.mobile-menu {
  display: none;
  background: var(--bg-deep);
  width: 100%;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
}

.mobile-menu.open {
  display: block;
  animation: slideDown 0.3s ease;
}

.mobile-menu a {
  display: block;
  color: var(--ink-200);
  padding: 0.9rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.2s;
  font-weight: 500;
}

.mobile-menu a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  text-decoration: none;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Banner ===== */
.banner {
  background: linear-gradient(135deg, var(--ink-900) 0%, #1e1b4b 50%, var(--rose-700) 100%);
  color: #fff;
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.3), transparent 70%);
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite;
}

.banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.2), transparent 70%);
  border-radius: 50%;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}

.banner-slide {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.banner-text {
  flex: 1 1 50%;
  min-width: 320px;
}

.banner-text h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 1.2rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  line-height: 1.15;
}

.banner-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin-bottom: 2rem;
  max-width: 600px;
  line-height: 1.8;
}

.banner-cta {
  background: var(--rose-500);
  color: #fff !important;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none !important;
  display: inline-block;
  transition: var(--transition);
  box-shadow: 0 8px 30px rgba(244, 63, 94, 0.35);
  font-size: 1rem;
}

.banner-cta:hover {
  background: var(--rose-600);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(244, 63, 94, 0.45);
  text-decoration: none;
}

.banner-visual {
  flex: 1 1 35%;
  min-width: 260px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner-visual svg {
  width: 100%;
  max-width: 420px;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
}

/* ===== 主体卡片网格 ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
  margin: 2rem 0 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--rose-400), var(--rose-600));
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--rose-300);
}

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

.card h3 {
  margin-top: 0;
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
  position: relative;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 品牌资质卡片 */
.brand-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  flex: 1;
  text-align: center;
  transition: var(--transition);
}

.brand-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--rose-300);
}

.brand-card strong {
  display: block;
  font-size: 1.1rem;
  color: var(--text-heading);
  margin-bottom: 0.3rem;
}

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

/* ===== 文章卡片 ===== */
.article-card {
  background: var(--bg-card);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--rose-300);
}

.article-card h4 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--text-heading);
  transition: color 0.2s;
}

.article-card:hover h4 {
  color: var(--rose-600);
}

.article-card time {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
  flex-grow: 1;
}

.article-card a {
  color: var(--rose-500);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.article-card a:hover {
  gap: 8px;
  text-decoration: none;
}

/* ===== FAQ 样式 ===== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
  transition: background 0.2s;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  background: var(--bg-card);
  overflow: hidden;
}

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  padding: 1.2rem 1.5rem;
  color: var(--text-heading);
  transition: all 0.2s;
  font-size: 1.05rem;
  user-select: none;
}

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

.faq-question span {
  font-size: 1.5rem;
  color: var(--rose-500);
  font-weight: 400;
  transition: transform 0.3s;
  line-height: 1;
}

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

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== HowTo 模块 ===== */
.toc {
  background: var(--bg-soft);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--rose-500);
}

.howto-steps {
  counter-reset: step-counter;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.howto-steps li {
  counter-increment: step-counter;
  margin-bottom: 1.2rem;
  padding: 1.2rem 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  position: relative;
  padding-left: 4rem;
  transition: var(--transition);
}

.howto-steps li:hover {
  border-color: var(--rose-300);
  transform: translateX(5px);
}

.howto-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--rose-500);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ===== 引用块 ===== */
blockquote {
  background: var(--bg-card);
  border-left: 4px solid var(--rose-400);
  padding: 1.5rem 2rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-secondary);
  margin: 1rem 0;
  box-shadow: var(--shadow-sm);
}

/* ===== 表格 ===== */
.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

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

th, td {
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  text-align: left;
}

th {
  background: var(--bg-deep);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.02em;
}

tr:nth-child(even) {
  background: var(--bg-soft);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-soft);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  margin: 2rem 0;
  font-size: 0.9rem;
}

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

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

/* ===== 页脚 ===== */
footer {
  background: var(--bg-deep);
  color: var(--ink-300);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--rose-400), var(--rose-600), var(--rose-400));
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2rem;
}

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

footer p {
  color: var(--ink-400);
  font-size: 0.9rem;
  line-height: 1.7;
}

footer a {
  color: var(--ink-400);
  transition: color 0.2s;
}

footer a:hover {
  color: var(--rose-400);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.5rem;
  text-align: center;
  color: var(--ink-500);
  font-size: 0.85rem;
}

/* ===== 返回顶部按钮 ===== */
#backtop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--rose-500);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 8px 30px rgba(244, 63, 94, 0.35);
  opacity: 0.9;
  transition: var(--transition);
  z-index: 999;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
}

#backtop:hover {
  background: var(--rose-600);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 40px rgba(244, 63, 94, 0.5);
  opacity: 1;
  text-decoration: none;
  color: #fff;
}

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

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

/* ===== 联系区块 ===== */
.contact-info {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.contact-info .icon {
  width: 24px;
  height: 24px;
  color: var(--rose-500);
  flex-shrink: 0;
}

/* ===== 响应式布局 ===== */
@media (max-width: 1024px) {
  .banner-slide {
    gap: 2rem;
  }
  
  .banner-text h1 {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .menu-toggle {
    display: block;
    order: 3;
  }
  
  .search-wrap {
    order: 2;
    flex: 1;
    justify-content: flex-end;
  }
  
  .search-wrap input[type="search"] {
    width: 100px;
  }
  
  .search-wrap input[type="search"]:focus {
    width: 140px;
  }
  
  .logo {
    order: 1;
  }
  
  .dark-toggle {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
  }
  
  .banner {
    padding: 3rem 0;
  }
  
  .banner-text h1 {
    font-size: 2rem;
  }
  
  .banner-text p {
    font-size: 1rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .brand-card {
    flex: 1 1 100%;
  }
  
  .faq-question {
    font-size: 0.95rem;
    padding: 1rem 1.2rem;
  }
  
  .faq-answer {
    padding: 0 1.2rem 1rem;
  }
  
  #backtop {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
  
  .footer-grid {
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .search-wrap input[type="search"] {
    display: none;
  }
  
  .search-wrap button {
    width: 36px;
    height: 36px;
  }
  
  .banner-visual {
    display: none;
  }
  
  .container {
    padding: 0 16px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .card {
    padding: 1.4rem;
  }
  
  .article-card {
    padding: 1.4rem;
  }
  
  .howto-steps li {
    padding-left: 3.5rem;
  }
}

/* ===== 暗黑模式适配 ===== */
body.dark-mode .navbar {
  background: rgba(15, 23, 42, 0.95);
}

body.dark-mode .card {
  background: var(--ink-800);
  border-color: var(--ink-700);
}

body.dark-mode .article-card {
  background: var(--ink-800);
  border-color: var(--ink-700);
}

body.dark-mode .faq-item {
  background: var(--ink-800);
}

body.dark-mode .breadcrumb {
  background: var(--ink-800);
}

body.dark-mode .contact-info {
  background: var(--ink-800);
  border-color: var(--ink-700);
}

/* ===== 高对比度与无障碍 ===== */
:focus-visible {
  outline: 3px solid var(--rose-400);
  outline-offset: 2px;
}

::selection {
  background: var(--rose-200);
  color: var(--ink-900);
}

/* ===== 性能优化：滚动条 ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--rose-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--rose-400);
}

/* ===== 打印样式 ===== */
@media print {
  .navbar, .banner, #backtop, .dark-toggle, .menu-toggle, .mobile-menu {
    display: none !important;
  }
  
  body {
    background: #fff;
    color: #000;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .card, .article-card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}

/* ===== 额外装饰效果 ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--rose-400), var(--rose-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hover-lift {
  transition: var(--transition);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

.glass-effect {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark-mode .glass-effect {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

```