```css
/* ===== 零界绘漫画 - 全站样式表 ===== */
/* 设计理念：奇幻异世界 · 暗色奢华 · 沉浸式阅读体验 */
/* 色彩体系：深空黑 #0f0f14 / 鎏金 #f5a623 / 月白 #f8f7f4 */

/* ===== CSS Reset & 基础变量 ===== */
:root {
  --primary: #f5a623;
  --primary-dark: #d48a1c;
  --accent: #7b5ea7;
  --bg-light: #f8f7f4;
  --bg-dark: #121218;
  --surface-light: #ffffff;
  --surface-dark: #1e1e26;
  --text-light: #2b2b2b;
  --text-dark: #e8e6e3;
  --text-muted: #777;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.2);
  --glass-bg: rgba(255,255,255,0.65);
  --glass-border: rgba(255,255,255,0.4);
  --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-stack);
  background: var(--bg-light);
  color: var(--text-light);
  line-height: 1.75;
  font-size: 16px;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* 暗色模式 - 优雅切换 */
body.dark {
  background: var(--bg-dark);
  color: var(--text-dark);
}

body.dark .card,
body.dark .article-card,
body.dark .faq-item,
body.dark .glass-card {
  background: var(--surface-dark) !important;
  color: var(--text-dark) !important;
  border-color: rgba(255,255,255,0.06) !important;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4) !important;
}

body.dark .section-title { color: #fff; }
body.dark .section-sub { color: #aaa; }
body.dark footer { background: #0d0d12; }
body.dark .banner { background: linear-gradient(145deg, #0a0a0f, #1a1a24); }
body.dark .nav-wrap { background: rgba(15,15,20,0.95); }
body.dark .search-box input { background: #2a2a35; color: #eee; }
body.dark .read-more { color: var(--primary); }

/* ===== 容器与布局 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: #1f1f1f;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary) 0%, #d4a0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  width: 100%;
}

.section-sub {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 50px;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.5px;
}

/* ===== 头部导航 - 毛玻璃效果 ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 15, 20, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  transition: background 0.4s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 20px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 2px;
  text-shadow: 0 2px 20px rgba(245,166,35,0.3);
  white-space: nowrap;
  position: relative;
  padding-left: 12px;
}

.logo::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: linear-gradient(180deg, var(--primary), transparent);
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: #ddd;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary);
}

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

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
}

.search-box input {
  padding: 10px 18px;
  border: none;
  border-radius: 30px 0 0 30px;
  outline: none;
  width: 200px;
  background: rgba(255,255,255,0.1);
  color: #eee;
  font-size: 0.9rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-right: none;
  transition: var(--transition);
}

.search-box input:focus {
  background: rgba(255,255,255,0.15);
  border-color: var(--primary);
}

.search-box button {
  background: linear-gradient(135deg, var(--primary), #ffc94d);
  border: none;
  border-radius: 0 30px 30px 0;
  padding: 10px 20px;
  cursor: pointer;
  color: #1f1f1f;
  font-weight: 700;
  transition: var(--transition);
}

.search-box button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(245,166,35,0.4);
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.hamburger:hover {
  background: rgba(255,255,255,0.1);
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: #fff;
  margin: 3px 0;
  border-radius: 4px;
  transition: var(--transition);
}

/* 移动菜单 */
.mobile-menu {
  display: none;
  background: rgba(15,15,20,0.98);
  backdrop-filter: blur(20px);
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.mobile-menu a {
  display: block;
  color: #ddd;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
  font-size: 1rem;
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--primary);
  padding-left: 12px;
}

/* ===== Banner - 渐变奢华 ===== */
.banner {
  background: linear-gradient(145deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(245,166,35,0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(123,94,167,0.2) 0%, transparent 50%);
  animation: floatGlow 8s ease-in-out infinite alternate;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-5%, -5%) rotate(3deg); }
}

.banner h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  color: var(--primary);
  margin-bottom: 24px;
  font-weight: 900;
  text-shadow: 0 4px 40px rgba(245,166,35,0.4);
  letter-spacing: 2px;
  position: relative;
  z-index: 1;
}

.banner p {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  max-width: 700px;
  margin: 0 auto 40px;
  color: rgba(255,255,255,0.85);
  font-weight: 300;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.banner .btn {
  background: linear-gradient(135deg, var(--primary), #ffc94d);
  color: #1f1f1f;
  padding: 16px 48px;
  border: none;
  border-radius: 50px;
  font-weight: 800;
  font-size: 1.05rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
  box-shadow: 0 8px 30px rgba(245,166,35,0.3);
  position: relative;
  z-index: 1;
  letter-spacing: 1px;
}

.banner .btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(245,166,35,0.5);
}

/* ===== 卡片系统 - 圆角 + 毛玻璃 ===== */
.card {
  background: var(--surface-light);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.03);
  position: relative;
  overflow: hidden;
}

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

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

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

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 14px;
  color: #1f1f1f;
  font-weight: 700;
}

.card p {
  color: #555;
  font-size: 0.95rem;
  line-height: 1.8;
}

body.dark .card h3 { color: #fff; }
body.dark .card p { color: #bbb; }

/* 毛玻璃卡片 */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: var(--transition);
}

.glass-card:hover {
  background: rgba(255,255,255,0.8);
  box-shadow: var(--shadow-md);
}

body.dark .glass-card {
  background: rgba(30,30,38,0.7);
  border-color: rgba(255,255,255,0.1);
}

/* ===== 网格系统 ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ===== 数字统计 ===== */
.stats {
  display: flex;
  justify-content: space-around;
  margin: 60px 0 20px;
  gap: 20px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 24px 32px;
  background: rgba(245,166,35,0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(245,166,35,0.15);
  min-width: 160px;
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  background: rgba(245,166,35,0.1);
}

.stat-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(245,166,35,0.3);
}

.stat-item p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 8px;
  font-weight: 500;
}

/* ===== 文章卡片 ===== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: #fff;
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.02);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(245,166,35,0.2);
}

.article-card h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
  color: #1f1f1f;
  font-weight: 700;
  line-height: 1.5;
}

.article-card p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.7;
  flex-grow: 1;
}

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

.read-more {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-block;
  margin-top: 4px;
}

.read-more:hover {
  transform: translateX(6px);
  color: var(--primary-dark);
}

/* ===== FAQ 折叠面板 ===== */
.faq-item {
  background: #fff;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.02);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(245,166,35,0.15);
}

.faq-q {
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1f1f1f;
  transition: var(--transition);
}

.faq-q span {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform 0.3s ease;
  display: inline-block;
}

.faq-q:hover {
  color: var(--primary);
}

.faq-a {
  margin-top: 16px;
  color: #555;
  display: none;
  padding: 16px;
  background: rgba(245,166,35,0.04);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  font-size: 0.95rem;
  line-height: 1.8;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

body.dark .faq-q { color: #fff; }
body.dark .faq-a { color: #bbb; background: rgba(255,255,255,0.03); }

/* ===== 页脚 ===== */
footer {
  background: #1a1a1f;
  color: #aaa;
  padding: 60px 0 30px;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-grid h4 {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.footer-grid a {
  color: #bbb;
  display: block;
  margin-bottom: 10px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-grid a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-grid p {
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 30px;
  font-size: 0.85rem;
  color: #888;
}

.footer-bottom p {
  margin-bottom: 6px;
}

/* ===== 返回顶部按钮 ===== */
#topBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--primary), #ffc94d);
  color: #1f1f1f;
  border: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
  z-index: 999;
  box-shadow: 0 8px 25px rgba(245,166,35,0.4);
  transition: var(--transition);
  font-weight: bold;
}

#topBtn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 35px rgba(245,166,35,0.5);
}

/* 暗黑模式切换按钮 */
body > button[style*="position:fixed"] {
  bottom: 95px !important;
  right: 30px !important;
  width: 52px !important;
  height: 52px !important;
  background: rgba(30,30,38,0.9) !important;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1) !important;
  font-size: 1.3rem !important;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3) !important;
  transition: var(--transition) !important;
}

body > button[style*="position:fixed"]:hover {
  transform: scale(1.1) !important;
  background: var(--primary) !important;
}

body.dark body > button[style*="position:fixed"] {
  background: rgba(255,255,255,0.1) !important;
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 交错动画 */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===== 读者评价卡片 ===== */
.testimonial {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 6rem;
  color: var(--primary);
  opacity: 0.15;
  font-family: Georgia, serif;
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial p {
  font-style: italic;
  color: #555;
  line-height: 1.9;
  margin-bottom: 12px;
}

.testimonial .author {
  font-weight: 700;
  color: var(--primary);
  font-style: normal;
}

/* ===== HowTo 指南卡片 ===== */
.howto-card {
  background: linear-gradient(135deg, rgba(245,166,35,0.05), rgba(123,94,167,0.05));
  border: 1px solid rgba(245,166,35,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
  line-height: 2;
}

.howto-card h4 {
  color: var(--primary);
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.howto-card p {
  margin-bottom: 12px;
  color: #444;
}

body.dark .howto-card p { color: #bbb; }

.howto-card strong {
  color: var(--primary);
}

/* ===== 联系卡片 ===== */
.contact-card {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
}

.contact-card h4 {
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 1.1rem;
  margin-top: 20px;
}

.contact-card h4:first-child {
  margin-top: 0;
}

.contact-card p {
  color: #555;
  margin-bottom: 8px;
}

body.dark .contact-card p { color: #bbb; }

/* ===== 品牌资质 ===== */
.badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: 30px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin: 8px 8px 8px 0;
  transition: var(--transition);
}

.badge:hover {
  background: var(--primary);
  color: #1f1f1f;
  transform: scale(1.05);
}

/* ===== 装饰性分隔线 ===== */
.divider {
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), transparent);
  margin: 0 auto 40px;
  border-radius: 4px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 900px) {
  .nav-links,
  .search-box {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .grid-2,
  .grid-3,
  .articles-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .banner {
    padding: 70px 0;
  }

  .banner h1 {
    font-size: 2rem;
  }

  .section {
    padding: 60px 0;
  }

  .stats {
    flex-direction: column;
    align-items: center;
  }

  .stat-item {
    width: 100%;
    max-width: 280px;
  }

  .footer-grid {
    gap: 30px;
  }

  .container {
    padding: 0 16px;
  }

  .card {
    padding: 24px;
  }

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

@media (max-width: 600px) {
  .logo {
    font-size: 1.4rem;
  }

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

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

  .banner .btn {
    padding: 14px 36px;
    font-size: 0.95rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .stat-num {
    font-size: 2.4rem;
  }

  .faq-q {
    font-size: 0.95rem;
  }

  .faq-item {
    padding: 18px;
  }

  #topBtn {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    bottom: 20px;
    right: 20px;
  }

  body > button[style*="position:fixed"] {
    bottom: 75px !important;
    right: 20px !important;
    width: 44px !important;
    height: 44px !important;
  }
}

/* ===== 打印样式 ===== */
@media print {
  header,
  footer,
  #topBtn,
  body > button[style*="position:fixed"] {
    display: none !important;
  }

  .banner {
    background: #fff !important;
    color: #000 !important;
  }

  .banner h1 {
    color: #000 !important;
    text-shadow: none !important;
  }

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

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.05);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), #d4a0ff);
  border-radius: 10px;
}

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

/* ===== 选中文本样式 ===== */
::selection {
  background: var(--primary);
  color: #1f1f1f;
}

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

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