```css
/* ===== 全局变量与主题系统 ===== */
:root {
  /* 明亮主题 - 电影质感暖色调 */
  --bg-page: #f7f3ec;
  --bg-card: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.85);
  --bg-footer: #1a1410;
  --bg-hero: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  --bg-card-glass: rgba(255, 255, 255, 0.7);
  --text-primary: #2d2a26;
  --text-secondary: #6b6460;
  --text-heading: #1f1b18;
  --text-footer: #e8e0da;
  --text-link: #c2410c;
  --border-light: rgba(0, 0, 0, 0.08);
  --btn-bg: #c2410c;
  --btn-text: #ffffff;
  --btn-hover: #9a3412;
  --chip-bg: #fff7ed;
  --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
  --glass-blur: blur(12px);
  --max-width: 1280px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* 暗色主题 - 影院暗夜质感 */
  --bg-page: #131110;
  --bg-card: #1f1d1b;
  --bg-header: rgba(31, 29, 27, 0.85);
  --bg-footer: #0c0a09;
  --bg-hero: linear-gradient(135deg, #2d1b00 0%, #1a0a00 100%);
  --bg-card-glass: rgba(31, 29, 27, 0.7);
  --text-primary: #e7e5e4;
  --text-secondary: #a8a29e;
  --text-heading: #fafaf9;
  --text-footer: #a8a29e;
  --text-link: #fbbf24;
  --border-light: rgba(255, 255, 255, 0.08);
  --btn-bg: #fbbf24;
  --btn-text: #1c1917;
  --btn-hover: #f59e0b;
  --chip-bg: #292524;
  --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.7);
}

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

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

body {
  background: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.75;
  font-size: 1.0625rem;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--text-secondary);
  border-radius: 4px;
  opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-link);
}

h1, h2, h3, h4, h5 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-top: 2rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.35rem; margin-top: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.1rem; font-weight: 600; }

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

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--btn-hover);
}

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

ul, ol {
  padding-left: 1.5rem;
  color: var(--text-primary);
}

li {
  margin-bottom: 0.4rem;
}

/* ===== 容器与布局 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.section-padding {
  padding: 4rem 0;
}

/* ===== 头部导航 ===== */
.site-header {
  background: var(--bg-header);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-base);
  border-bottom: 1px solid var(--border-light);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0.8rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: 0.5rem;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.02em;
  transition: transform 0.3s ease;
}

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

.logo svg {
  width: 38px;
  height: 38px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.2s ease;
}

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

.nav-links a:hover {
  color: var(--text-link);
  text-decoration: none;
}

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

/* 工具栏按钮 */
.theme-toggle, .menu-toggle {
  background: var(--chip-bg);
  border: none;
  border-radius: 2rem;
  padding: 0.4rem 1rem;
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.theme-toggle:hover, .menu-toggle:hover {
  background: var(--border-light);
  transform: translateY(-1px);
}

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
  background: var(--chip-bg);
  border-radius: 2rem;
  padding: 0.15rem 0.5rem 0.15rem 1rem;
  border: 1px solid transparent;
  transition: var(--transition-base);
}

.search-box:focus-within {
  border-color: var(--text-link);
  box-shadow: 0 0 0 3px rgba(194, 65, 12, 0.1);
}

.search-box input {
  border: none;
  background: transparent;
  padding: 0.4rem 0.2rem;
  color: var(--text-primary);
  outline: none;
  width: 160px;
  font-size: 0.9rem;
  transition: width 0.3s ease;
}

.search-box input:focus {
  width: 200px;
}

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

.search-box button {
  background: none;
  border: none;
  color: var(--text-link);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.3rem;
  transition: transform 0.2s ease;
}

.search-box button:hover {
  transform: scale(1.1);
}

/* 移动导航 */
.nav-links-mobile {
  display: none;
  flex-direction: column;
  width: 100%;
  background: var(--bg-header);
  backdrop-filter: var(--glass-blur);
  padding: 1rem 1.5rem;
  gap: 0.6rem;
  border-top: 1px solid var(--border-light);
  animation: slideDown 0.3s ease;
}

.nav-links-mobile a {
  color: var(--text-primary);
  font-size: 1rem;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: background 0.2s ease;
}

.nav-links-mobile a:hover {
  background: var(--chip-bg);
  text-decoration: none;
}

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

/* ===== 面包屑 ===== */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 1.5rem 0 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.breadcrumb a {
  color: var(--text-link);
  transition: color 0.2s ease;
}

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

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

/* ===== Hero 区域 ===== */
.hero {
  background: var(--bg-hero);
  border-radius: 2rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  margin: 2rem 0;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, var(--text-heading) 0%, var(--text-link) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: 800px;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* 按钮 */
.btn-primary, .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.8rem;
  border-radius: 3rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  border: none;
  gap: 0.5rem;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-text);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background: var(--btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  color: var(--btn-text);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--text-link);
  color: var(--text-link);
}

.btn-outline:hover {
  background: var(--text-link);
  color: white;
  transform: translateY(-2px);
  text-decoration: none;
}

/* 统计数字 */
.stats {
  display: flex;
  gap: 1.5rem;
  margin: 2rem 0 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.stat-item {
  background: var(--bg-card-glass);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-light);
  padding: 0.8rem 1.8rem;
  border-radius: 1.5rem;
  box-shadow: var(--shadow-soft);
  text-align: center;
  transition: var(--transition-base);
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-heading);
  display: block;
  line-height: 1.2;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== 卡片系统 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 1.2rem;
  padding: 1.8rem;
  transition: var(--transition-base);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--text-link), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--text-link);
}

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

.card h3 {
  margin-top: 0;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.card a {
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.3s ease;
}

.card a:hover {
  gap: 0.6rem;
  text-decoration: none;
}

/* ===== 文章列表 ===== */
.article-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border-light);
  transition: padding-left 0.3s ease;
}

.article-item:hover {
  padding-left: 0.8rem;
  border-bottom-color: var(--text-link);
}

.article-item h4 {
  margin-bottom: 0.2rem;
  font-size: 1.05rem;
}

.article-item h4 a {
  color: var(--text-heading);
  transition: color 0.2s ease;
}

.article-item h4 a:hover {
  color: var(--text-link);
}

.article-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  gap: 1rem;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.article-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ===== FAQ 样式 ===== */
.faq-block {
  background: var(--bg-card);
  border-radius: 1.2rem;
  padding: 1.5rem;
  margin-top: 1.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
}

details {
  border-bottom: 1px solid var(--border-light);
  padding: 0.6rem 0;
  transition: background 0.3s ease;
}

details:last-child {
  border-bottom: none;
}

summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--text-heading);
  font-size: 1.05rem;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s ease;
  list-style: none;
}

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

summary::before {
  content: '▸';
  transition: transform 0.3s ease;
  color: var(--text-link);
  font-size: 0.8em;
}

details[open] summary::before {
  transform: rotate(90deg);
}

summary:hover {
  color: var(--text-link);
}

details p {
  margin-top: 0.6rem;
  padding-left: 1.5rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  border-left: 2px solid var(--text-link);
  padding-bottom: 0.5rem;
}

/* ===== 表格 ===== */
.table-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 1rem;
  border: 1px solid var(--border-light);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  font-size: 0.95rem;
}

th, td {
  padding: 0.8rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

th {
  background: var(--chip-bg);
  color: var(--text-heading);
  font-weight: 600;
  white-space: nowrap;
}

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

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

tr {
  transition: background 0.2s ease;
}

tr:hover td {
  background: var(--chip-bg);
}

/* ===== 标签 ===== */
.tag {
  background: var(--chip-bg);
  color: var(--text-primary);
  border-radius: 2rem;
  padding: 0.2rem 0.9rem;
  display: inline-block;
  margin: 0.2rem;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.tag:hover {
  border-color: var(--text-link);
  transform: translateY(-1px);
}

/* ===== 团队与联系方式 ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-list li {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}

.contact-list strong {
  color: var(--text-heading);
  min-width: 60px;
  display: inline-block;
}

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

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--text-link), transparent, var(--text-link));
}

.footer a {
  color: var(--text-link);
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--btn-hover);
  text-decoration: underline;
}

.footer h4 {
  color: var(--text-footer);
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.footer p {
  color: var(--text-footer);
  font-size: 0.9rem;
}

.footer .footer-col {
  min-width: 200px;
  flex: 1;
}

.footer .copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-footer);
  text-align: center;
}

.footer .copyright p {
  color: var(--text-footer);
}

/* ===== 返回顶部 ===== */
.to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--btn-bg);
  color: var(--btn-text);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

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

.to-top:hover {
  background: var(--btn-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 区块样式 ===== */
section {
  margin-bottom: 3rem;
}

section h2 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

section h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-light), transparent);
  margin-left: 1rem;
}

/* 视频容器 */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 1rem;
  background: #000;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* 图片占位 */
.img-placeholder {
  background: var(--chip-bg);
  border-radius: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  min-height: 200px;
  transition: var(--transition-base);
}

.img-placeholder:hover {
  background: var(--border-light);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 1rem;
  }
  
  .search-box input {
    width: 120px;
  }
  
  .search-box input:focus {
    width: 150px;
  }
}

@media (max-width: 800px) {
  .nav-links {
    display: none;
  }
  
  .nav-wrap {
    padding: 0.6rem 1rem;
  }
  
  .nav-links-mobile {
    display: none;
  }
  
  .nav-links-mobile.active {
    display: flex;
  }
  
  .hero {
    margin: 1rem 0;
    padding: 1.5rem;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 0.95rem;
  }
  
  .stats {
    gap: 0.8rem;
  }
  
  .stat-item {
    padding: 0.6rem 1.2rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .search-box {
    display: none;
  }
  
  .theme-toggle, .menu-toggle {
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
  }
  
  .footer {
    padding: 2rem 0 1.5rem;
  }
  
  .footer .footer-col {
    min-width: 100%;
    margin-bottom: 1.5rem;
  }
  
  .to-top {
    bottom: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
  }
  
  section h2 {
    font-size: 1.4rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .breadcrumb {
    margin-top: 1rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.3rem;
  }
  
  .logo svg {
    width: 30px;
    height: 30px;
  }
  
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn-primary, .btn-outline {
    width: 100%;
    text-align: center;
  }
  
  .stat-item {
    flex: 1;
    min-width: calc(50% - 0.8rem);
  }
  
  .article-item {
    padding: 1rem 0;
  }
  
  .article-meta {
    flex-direction: column;
    gap: 0.2rem;
  }
  
  .faq-block {
    padding: 1rem;
  }
  
  summary {
    font-size: 0.95rem;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .site-header, .to-top, .footer, .search-box, .theme-toggle, .menu-toggle {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .hero {
    background: none;
    box-shadow: none;
    border: none;
    padding: 0;
  }
  
  .card, .faq-block {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ===== 无障碍辅助 ===== */
@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;
  }
}

/* 焦点可见性 */
:focus-visible {
  outline: 2px solid var(--text-link);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 选中文本 */
::selection {
  background: var(--text-link);
  color: white;
}

/* 暗色模式下的图片透明度 */
[data-theme="dark"] .img-placeholder {
  opacity: 0.8;
}

/* 卡片玻璃效果增强 */
@media (min-width: 800px) {
  .card {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

/* 动画效果 */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* 渐变边框卡片 */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: 1.2rem;
  padding: 1.8rem;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1.2rem;
  padding: 2px;
  background: linear-gradient(135deg, var(--text-link), transparent, var(--text-link));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gradient-border:hover::before {
  opacity: 1;
}

/* 链接卡片 */
.link-card {
  display: block;
  padding: 1rem;
  border-radius: 1rem;
  background: var(--chip-bg);
  border: 1px solid var(--border-light);
  transition: var(--transition-base);
}

.link-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  background: var(--bg-card);
}
```