```css
/* ===== www91 动漫影视 - 完整样式表 ===== */
/* 设计系统：自然·墨绿×暖灰 渐变光感 | 圆角毛玻璃 | 全响应式 */

:root, [data-theme="light"] {
  --bg-page: #f4f7f5;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-card-solid: #ffffff;
  --bg-header: rgba(13, 38, 30, 0.92);
  --bg-footer: #0b241d;
  --bg-glass: rgba(255, 255, 255, 0.6);
  --bg-glass-dark: rgba(10, 25, 20, 0.6);
  --text-primary: #1c2b24;
  --text-secondary: #3a4f46;
  --text-heading: #0c1f19;
  --text-link: #176b54;
  --text-button: #ffffff;
  --text-nav: #edfaf4;
  --text-card-title: #0e2b22;
  --text-faq-q: #1a332a;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-glass: rgba(255, 255, 255, 0.35);
  --accent: #1f513f;
  --accent-hover: #2b6b54;
  --accent-soft: #dcebe4;
  --accent-glow: rgba(31, 81, 63, 0.18);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.12);
  --gradient-hero: linear-gradient(120deg, #e2f0e9 0%, #f7fbf9 40%, #d5e9df 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9), rgba(245,250,247,0.7));
  --gradient-btn: linear-gradient(135deg, #1f513f, #2f7a63);
  --glass-blur: blur(14px);
  --header-blur: blur(18px);
}

[data-theme="dark"] {
  --bg-page: #10181a;
  --bg-card: rgba(26, 38, 42, 0.7);
  --bg-card-solid: #162226;
  --bg-header: rgba(8, 20, 16, 0.95);
  --bg-footer: #081410;
  --bg-glass: rgba(20, 32, 34, 0.6);
  --bg-glass-dark: rgba(8, 15, 14, 0.7);
  --text-primary: #e2eae6;
  --text-secondary: #b6c6c0;
  --text-heading: #f0faf5;
  --text-link: #8fd4bd;
  --text-button: #ffffff;
  --text-nav: #d8f0e6;
  --text-card-title: #eaf7f1;
  --text-faq-q: #cde5dc;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent: #2f7a63;
  --accent-hover: #3f9178;
  --accent-soft: #1c3a30;
  --accent-glow: rgba(47, 122, 99, 0.25);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.6);
  --gradient-hero: linear-gradient(120deg, #14241f 0%, #1a2a26 50%, #0e1f1a 100%);
  --gradient-card: linear-gradient(145deg, rgba(30, 46, 48, 0.9), rgba(16, 26, 28, 0.8));
  --gradient-btn: linear-gradient(135deg, #2f7a63, #3f9b80);
  --glass-blur: blur(16px);
  --header-blur: blur(20px);
}

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

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

body {
  background: var(--bg-page);
  background-image: radial-gradient(circle at 15% 5%, var(--accent-glow) 0%, transparent 35%),
                    radial-gradient(circle at 85% 20%, rgba(47, 122, 99, 0.06) 0%, transparent 40%);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.75;
  transition: background 0.4s ease, color 0.3s ease;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.4;
  z-index: -1;
  pointer-events: none;
  transition: opacity 0.5s;
}

h1, h2, h3, h4, h5 {
  color: var(--text-heading);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2rem); border-left: 6px solid var(--accent); padding-left: 18px; margin: 2.5rem 0 1.3rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); margin: 1.8rem 0 0.8rem; }
h4 { font-size: 1.15rem; margin: 1.2rem 0 0.5rem; }

p { margin-bottom: 1.2rem; color: var(--text-primary); }

a {
  color: var(--text-link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(23, 107, 84, 0.3);
  transition: color 0.2s, text-decoration-color 0.2s;
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  scroll-margin-top: 90px;
}

/* ===== 毛玻璃工具类 ===== */
.glass {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
}

/* ===== 头部导航 (毛玻璃吸顶) ===== */
header {
  background: var(--bg-header);
  backdrop-filter: var(--header-blur);
  -webkit-backdrop-filter: var(--header-blur);
  color: var(--text-nav);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-glass);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.logo a {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s;
  display: inline-block;
}

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

.logo span {
  color: #a8e6cf;
  font-weight: 400;
  font-size: 1rem;
  margin-left: 4px;
}

.menu {
  display: flex;
  gap: 8px;
  list-style: none;
}

.menu li a {
  color: var(--text-nav);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 40px;
  transition: background 0.3s, color 0.2s, transform 0.2s;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.menu li a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  transform: translateY(-1px);
  backdrop-filter: blur(8px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  display: flex;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  padding: 4px 6px 4px 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s, box-shadow 0.3s;
}

.search-box:focus-within {
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 3px rgba(168, 230, 207, 0.2);
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  width: 150px;
  padding: 6px 0;
  font-size: 0.9rem;
}

.search-box input::placeholder { color: rgba(220, 240, 230, 0.6); }

.search-box button {
  background: var(--accent);
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: background 0.3s, transform 0.2s;
}

.search-box button:hover {
  background: var(--accent-hover);
  transform: scale(1.05);
}

.theme-toggle {
  background: var(--gradient-btn);
  border: none;
  color: white;
  padding: 8px 18px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 0.9rem;
  box-shadow: 0 2px 10px rgba(31, 81, 63, 0.3);
  white-space: nowrap;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(31, 81, 63, 0.4);
  filter: brightness(1.1);
}

/* ===== Hero 区域 (渐变Banner) ===== */
.hero {
  padding: 56px 0 40px;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 100%;
  background: var(--gradient-hero);
  border-radius: 60px 60px 30px 30px;
  opacity: 0.6;
  z-index: -1;
  filter: blur(20px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin-bottom: 18px;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text-heading), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-primary);
  max-width: 600px;
}

.hero-badge {
  background: var(--accent-soft);
  display: inline-block;
  padding: 6px 20px;
  border-radius: 50px;
  color: var(--text-heading);
  font-weight: 600;
  margin-bottom: 24px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(4px);
}

.hero svg {
  width: 100%;
  max-height: 280px;
  border-radius: 30px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s ease;
}

.hero svg:hover { transform: scale(1.02) rotate(-1deg); }

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.card {
  background: var(--gradient-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 24px;
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-glass);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-btn);
  opacity: 0;
  transition: opacity 0.3s;
}

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

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

.card h3 {
  color: var(--text-card-title);
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.card h4 {
  color: var(--text-card-title);
  margin-bottom: 10px;
}

.card p { color: var(--text-primary); margin-bottom: 0.8rem; }

.card a { font-weight: 600; }

/* ===== 文章列表 (毛玻璃面板) ===== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 24px 28px;
  border-radius: 30px;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
}

.article-item {
  border-bottom: 1px solid var(--border-light);
  padding: 20px 0;
  transition: padding-left 0.3s, background 0.3s;
  border-radius: 12px;
  padding-left: 12px;
  padding-right: 12px;
}

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

.article-item:hover {
  background: var(--accent-soft);
  padding-left: 20px;
}

.article-item h4 {
  font-size: 1.25rem;
  margin-bottom: 6px;
  transition: color 0.2s;
}

.article-item:hover h4 { color: var(--accent); }

.article-meta {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-summary {
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.article-item a {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ===== 表格区域 ===== */
.table-wrap {
  overflow-x: auto;
  margin: 30px 0;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--bg-card-solid);
  border-radius: 20px;
  overflow: hidden;
}

th, td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

th {
  background: var(--accent-soft);
  color: var(--text-heading);
  font-weight: 600;
  letter-spacing: 0.02em;
}

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

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

tr:hover td {
  background: var(--accent-soft);
  transition: background 0.2s;
}

/* ===== FAQ 手风琴 ===== */
.faq-details {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: 18px;
  padding: 6px 20px;
  border: 1px solid var(--border-glass);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

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

.faq-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text-faq-q);
  padding: 16px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.faq-details summary::-webkit-details-marker { display: none; }

.faq-details summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s;
  line-height: 1;
}

.faq-details[open] summary::after {
  transform: rotate(45deg);
}

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

.faq-details p {
  margin: 0 0 14px;
  color: var(--text-primary);
  padding-top: 4px;
  border-top: 1px dashed var(--border-light);
  padding-top: 12px;
}

/* ===== 页脚 ===== */
footer {
  background: var(--bg-footer);
  backdrop-filter: blur(10px);
  color: #d1e0da;
  margin-top: 80px;
  padding: 50px 0 20px;
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.05);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 230, 207, 0.4), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 30px;
}

footer h4 {
  color: #f0faf5;
  margin-bottom: 18px;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 8px;
}

footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

footer p { color: #b9d8cc; }

footer a {
  color: #b9d8cc;
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}

footer a:hover {
  color: white;
  padding-left: 4px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 40px;
  padding-top: 24px;
  font-size: 0.85rem;
  color: #b9d8cc;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.copyright p { margin-bottom: 4px; color: inherit; }

/* ===== 按钮 ===== */
.btn {
  background: var(--gradient-btn);
  color: white;
  padding: 14px 32px;
  border-radius: 60px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(31, 81, 63, 0.3);
  letter-spacing: 0.02em;
  font-size: 1rem;
}

.btn:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(31, 81, 63, 0.4);
  color: white;
  text-decoration: none;
}

.btn:active {
  transform: translateY(-1px);
  box-shadow: 0 2px 10px rgba(31, 81, 63, 0.3);
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gradient-btn);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  border: none;
  cursor: pointer;
  z-index: 90;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: all 0.3s;
  backdrop-filter: blur(8px);
  opacity: 0.9;
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.05);
  opacity: 1;
  box-shadow: 0 10px 30px rgba(31, 81, 63, 0.4);
}

/* ===== 滚动动画 Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

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

/* stagger 延迟 */
.card-grid .card:nth-child(2).reveal { transition-delay: 0.1s; }
.card-grid .card:nth-child(3).reveal { transition-delay: 0.2s; }
.card-grid .card:nth-child(4).reveal { transition-delay: 0.3s; }

/* ===== 移动导航 (汉堡简化) ===== */
.mobile-nav {
  display: none;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero svg {
    max-width: 500px;
    margin: 0 auto;
  }

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

@media (max-width: 800px) {
  .menu { display: none; }

  .mobile-nav {
    display: block;
  }

  .nav-wrap {
    justify-content: space-between;
  }

  .search-box input {
    width: 100px;
    transition: width 0.3s;
  }

  .search-box input:focus {
    width: 150px;
  }

  .hero {
    padding: 40px 0 30px;
  }

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

  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .article-list {
    padding: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .copyright {
    flex-direction: column;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }
}

@media (max-width: 500px) {
  .container {
    padding: 0 16px;
  }

  .logo a {
    font-size: 1.5rem;
  }

  .logo span {
    font-size: 0.85rem;
  }

  .nav-actions {
    gap: 8px;
  }

  .theme-toggle {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .search-box input {
    width: 80px;
  }

  .search-box input:focus {
    width: 120px;
  }

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }

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

  .article-item h4 {
    font-size: 1.1rem;
  }

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

  .back-to-top {
    bottom: 15px;
    right: 15px;
  }
}

/* ===== 暗色模式额外适配 ===== */
[data-theme="dark"] .hero-badge {
  background: rgba(47, 122, 99, 0.3);
  border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-box {
  background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .menu li a:hover {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .card {
  background: var(--gradient-card);
}

[data-theme="dark"] .article-item:hover {
  background: rgba(47, 122, 99, 0.15);
}

/* ===== 打印样式 ===== */
@media print {
  header, footer, .back-to-top, .theme-toggle, .search-box {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .card, .article-list, .faq-details {
    box-shadow: none;
    border: 1px solid #ccc;
    background: white;
  }
}

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

::selection {
  background: var(--accent);
  color: white;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 8px;
  border: 2px solid var(--bg-page);
}

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

/* ===== 卡片悬停图标动效 ===== */
.card:hover {
  transform: translateY(-8px);
}

/* ===== FAQ 平滑展开 ===== */
details {
  transition: all 0.3s;
}

details[open] {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* ===== 文章链接箭头 ===== */
.article-item a::after {
  content: ' →';
  transition: margin-left 0.2s;
}

.article-item a:hover::after {
  margin-left: 6px;
}

/* ===== 响应式字体微调 ===== */
@media (max-width: 600px) {
  .hero-badge {
    font-size: 0.8rem;
    padding: 4px 14px;
  }

  .article-list {
    border-radius: 20px;
  }
}

/* ===== 结尾：确保所有文字对比度 ===== */
body {
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
```