```css
/* ==========================================================================
   jmcomic - 古风恋爱与校园故事，连载作品在线畅读
   完整样式表 | 单文件 CSS | 响应式 | 暗色模式 | 毛玻璃 | 渐变Banner
   ========================================================================== */

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

/* ---------- 设计变量 ---------- */
:root {
  --bg: #faf7f2;
  --bg-soft: #f3ece2;
  --surface: #ffffff;
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text-primary: #2b1e16;
  --text-secondary: #5e4b3a;
  --text-muted: #8a7560;
  --border: #e6ddd0;
  --border-soft: rgba(230, 221, 208, 0.6);
  --accent: #b03e2a;
  --accent-hover: #8f2e1c;
  --accent-soft: #f4e6e0;
  --accent-glow: rgba(176, 62, 42, 0.18);
  --gold: #c9a063;
  --gold-soft: #f7efdf;
  --shadow-sm: 0 1px 3px rgba(43, 30, 22, 0.06);
  --shadow-md: 0 4px 16px rgba(43, 30, 22, 0.08);
  --shadow-lg: 0 12px 40px rgba(43, 30, 22, 0.12);
  --shadow-xl: 0 24px 64px rgba(43, 30, 22, 0.16);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --blur: 16px;
  --header-h: 68px;
}

/* ---------- 暗色模式 ---------- */
body.dark {
  --bg: #15110e;
  --bg-soft: #1d1713;
  --surface: #241e18;
  --surface-glass: rgba(36, 30, 24, 0.72);
  --text-primary: #ece5db;
  --text-secondary: #c4b8a8;
  --text-muted: #9a8c7a;
  --border: #3a3028;
  --border-soft: rgba(58, 48, 40, 0.6);
  --accent: #d9604a;
  --accent-hover: #e8775f;
  --accent-soft: #3a2820;
  --accent-glow: rgba(217, 96, 74, 0.22);
  --gold: #d8b47a;
  --gold-soft: #2e2419;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.6);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* ---------- 通用元素 ---------- */
img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

button {
  font-family: inherit;
}

ul {
  list-style: none;
}

/* ---------- 容器与区块 ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 64px 0;
  position: relative;
}

.section-alt {
  background: var(--surface);
  transition: background var(--transition-slow);
}

.section-header {
  margin-bottom: 40px;
  max-width: 780px;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  position: relative;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
}

.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.76rem;
  letter-spacing: 2.5px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-header .eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 2px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: var(--surface-glass);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
  color: var(--text-primary);
}

.logo svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo:hover svg {
  transform: rotate(-6deg) scale(1.05);
  box-shadow: 0 6px 18px var(--accent-glow);
}

.logo span {
  color: var(--accent);
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

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

/* 导航操作区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 5px 4px 14px;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--surface);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.85rem;
  width: 120px;
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.search-box button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.search-box button:active {
  transform: translateY(0);
}

/* 主题切换 */
.theme-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.theme-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: rotate(20deg);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.theme-toggle:hover svg {
  color: var(--accent);
}

/* 移动菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.mobile-menu-btn:hover {
  background: var(--accent-soft);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
  color: var(--text-primary);
}

/* 移动菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--surface-glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 20px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-lg);
  animation: menuDrop 0.28s ease;
}

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

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  padding: 12px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}

.mobile-menu a:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 18px 0 0;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

/* ---------- Hero 渐变 Banner ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2b1e16 0%, #4a3428 42%, #6b4432 100%);
  color: #f5ede4;
  min-height: 500px;
  display: flex;
  align-items: center;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin-top: 8px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(240, 184, 154, 0.22), transparent 46%),
    radial-gradient(circle at 12% 88%, rgba(201, 160, 99, 0.18), transparent 42%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-slide {
  display: none;
  padding: 72px 0 88px;
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-slide.active {
  display: block;
  animation: fadeSlide 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  max-width: 680px;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 5px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  color: #f0d9c8;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.7rem;
  line-height: 1.32;
  margin-bottom: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.hero h1 span {
  color: #f0b89a;
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 8px;
  background: linear-gradient(90deg, rgba(240, 184, 154, 0.35), rgba(201, 160, 99, 0.1));
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: 1.05rem;
  color: #d6c4b4;
  margin-bottom: 32px;
  max-width: 560px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #b03e2a, #8f2e1c);
  color: #fff;
  box-shadow: 0 6px 20px rgba(176, 62, 42, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #c44a35, #9c3220);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(176, 62, 42, 0.45);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #f5ede4;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  text-decoration: none;
  transform: translateY(-2px);
  color: #fff;
}

/* 轮播点 */
.hero-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.hero-dots button:hover {
  background: rgba(255, 255, 255, 0.6);
}

.hero-dots button.active {
  background: #f0b89a;
  width: 28px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 12px rgba(240, 184, 154, 0.6);
}

/* ---------- 锚点导航 ---------- */
.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
}

.anchor-nav a {
  font-size: 0.82rem;
  padding: 7px 16px;
  border-radius: var(--radius-full);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
}

.anchor-nav a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

/* ---------- 数据统计 ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 30px 16px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.stat-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-soft);
}

.stat-item:hover::before {
  opacity: 1;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent);
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ---------- 卡片网格 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  top: -60%;
  right: -60%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

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

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--gold-soft));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}

.card:hover .card-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 6px 18px var(--accent-glow);
}

.card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
}

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text-primary);
  line-height: 1.45;
  position: relative;
  z-index: 1;
}

.card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

/* ---------- 文章列表 ---------- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--gold));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-soft);
}

.article-card:hover::before {
  transform: scaleY(1);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.article-meta .tag {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.76rem;
}

.article-card h3 {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  margin-bottom: 10px;
  line-height: 1.55;
  color: var(--text-primary);
  transition: color var(--transition);
}

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

.article-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 16px;
  line-height: 1.75;
}

.read-more {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition), color var(--transition);
  align-self: flex-start;
}

.read-more:hover {
  text-decoration: none;
  gap: 8px;
  color: var(--accent-hover);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-soft);
}

.faq-item.open {
  border-color: var(--accent-soft);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 22px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  transition: color var(--transition);
  line-height: 1.6;
}

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

.faq-question svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
  color: var(--text-muted);
}

.faq-item.open .faq-question svg {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 22px;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding: 0 22px 20px;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

/* ---------- HowTo 步骤 ---------- */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: step;
}

.howto-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 22px 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.howto-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-soft);
}

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: -16px;
  left: 22px;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  font-family: var(--font-serif);
  box-shadow: 0 4px 12px var(--accent-glow);
  transition: transform var(--transition);
}

.howto-step:hover::before {
  transform: scale(1.1) rotate(-8deg);
}

.howto-step h4 {
  font-size: 1rem;
  margin: 8px 0 8px;
  color: var(--text-primary);
  font-family: var(--font-serif);
}

.howto-step p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ---------- 案例 ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.case-card svg {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover svg {
  transform: scale(1.04);
}

.case-body {
  padding: 24px;
}

.case-body h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.5;
}

.case-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--gold), transparent);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.timeline-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-soft);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 3px var(--accent-soft);
  transition: transform var(--transition);
}

.timeline-item:hover::before {
  transform: scale(1.25);
}

.timeline-item h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-family: var(--font-serif);
}

.timeline-item .year {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-top: 4px;
}

/* ---------- 团队 ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.team-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-soft);
}

.team-card svg {
  width: 76px;
  height: 76px;
  margin: 0 auto 14px;
  border-radius: 50%;
  box-shadow: 0 6px 18px var(--accent-glow);
  transition: transform var(--transition);
}

.team-card:hover svg {
  transform: scale(1.06) rotate(3deg);
}

.team-card h4 {
  font-size: 0.98rem;
  margin-bottom: 6px;
  color: var(--text-primary);
  font-family: var(--font-serif);
}

.team-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- 联系 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 0.93rem;
  color: var(--text-secondary);
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  line-height: 1.7;
}

.contact-info-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-soft);
}

.contact-info-list svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-info-list strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 2px;
}

/* 表单 */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--surface);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: linear-gradient(160deg, #241a13 0%, #2b1e16 50%, #1d1510 100%);
  color: #c4b8a8;
  padding: 56px 0 26px;
  font-size: 0.88rem;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand .logo {
  color: #f5ede4;
  margin-bottom: 16px;
}

.footer-brand .logo span {
  color: #f0b89a;
}

.footer-brand p {
  color: #a08f7e;
  font-size: 0.85rem;
  line-height: 1.8;
  max-width: 300px;
}

.footer-col h4 {
  color: #f5ede4;
  font-size: 0.92rem;
  margin-bottom: 16px;
  font-family: var(--font-serif);
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 2px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #a08f7e;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition), padding-left var(--transition);
  display: inline-block;
}

.footer-col a:hover {
  color: #f0b89a;
  padding-left: 4px;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: #8a7560;
  line-height: 1.7;
}

.footer-bottom a {
  color: #a08f7e;
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: #f0b89a;
  text-decoration: none;
}

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: all var(--transition);
  z-index: 900;
}

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

.back-top:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.back-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- 滚动动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 懒加载占位 ---------- */
.lazy-img {
  background: linear-gradient(135deg, var(--accent-soft), var(--gold-soft));
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.lazy-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.lazy-img.loaded::after {
  display: none;
}

/* ---------- 内联样式辅助类 ---------- */
.section h3[style],
.section p[style] {
  line-height: 1.8;
}

/* ---------- 响应式：1024px ---------- */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  .nav-links {
    gap: 18px;
  }

  .nav-links a {
    font-size: 0.88rem;
  }

  .search-box input {
    width: 90px;
  }
}

/* ---------- 响应式：768px ---------- */
@media (max-width: 768px) {
  :root {
    --header-h: 62px;
  }

  .nav-links {
    display: none;
  }

  .search-box {
    display: none;
  }

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

  .hero {
    min-height: 420px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .hero-slide {
    padding: 56px 0 72px;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .hero p {
    font-size: 0.98rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 2rem;
  }

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

  .article-grid {
    grid-template-columns: 1fr;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .howto-steps {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section {
    padding: 44px 0;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .contact-form {
    padding: 22px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .back-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .timeline {
    padding-left: 26px;
  }

  .timeline-item::before {
    left: -24px;
  }
}

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

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 22px 10px;
  }

  .stat-number {
    font-size: 1.7rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 24px 20px;
  }

  .article-card {
    padding: 22px 20px;
  }

  .section-header h2 {
    font-size: 1.35rem;
  }

  .anchor-nav {
    gap: 8px;
  }

  .anchor-nav a {
    font-size: 0.78rem;
    padding: 6px 12px;
  }

  .howto-step {
    padding: 26px 18px 20px;
  }
}

/* ---------- 无障碍焦点 ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 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;
  }

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

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .back-top,
  .hero-dots,
  .mobile-menu,
  .mobile-menu-btn,
  .theme-toggle,
  .search-box,
  .hero-actions,
  .anchor-nav {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .hero {
    background: #f5ede4 !important;
    color: #2b1e16 !important;
    min-height: auto;
  }

  .card,
  .article-card,
  .faq-item,
  .case-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    page-break-inside: avoid;
  }
}
```