/* ========================================
   视频创作者社区 - 主样式表
   独特配色方案 & 响应式设计
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=ZCOOL+KuaiLe&display=swap');

:root {
  --primary: #6C3CE1;
  --primary-light: #8B5CF6;
  --primary-dark: #4C1D95;
  --secondary: #F59E0B;
  --secondary-light: #FCD34D;
  --accent: #10B981;
  --accent-dark: #059669;
  --bg-main: #0F0A1A;
  --bg-card: #1A1128;
  --bg-card-hover: #231740;
  --bg-section-alt: #130E20;
  --text-primary: #F3F0FF;
  --text-secondary: #B8A9D4;
  --text-muted: #7C6B9E;
  --border-color: #2D2145;
  --gradient-primary: linear-gradient(135deg, #6C3CE1 0%, #A855F7 50%, #EC4899 100%);
  --gradient-secondary: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  --gradient-accent: linear-gradient(135deg, #10B981 0%, #3B82F6 100%);
  --shadow-sm: 0 2px 8px rgba(108, 60, 225, 0.15);
  --shadow-md: 0 4px 20px rgba(108, 60, 225, 0.2);
  --shadow-lg: 0 8px 40px rgba(108, 60, 225, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* 干扰标签区块 - 肉眼不可见 */
.jammer-block {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  opacity: 0;
  pointer-events: none;
  user-select: none;
  font-size: 0;
  line-height: 0;
  color: transparent;
  z-index: -9999;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans SC', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary);
}

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

ul, ol {
  list-style: none;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 - 非sticky */
.site-header {
  background: rgba(15, 10, 26, 0.95);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  position: relative;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: 'ZCOOL KuaiLe', cursive;
  font-size: 1.6rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.nav-menu {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-menu a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}

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

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

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

.nav-cta {
  background: var(--gradient-primary);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  -webkit-text-fill-color: #fff;
}

.nav-cta::after {
  display: none !important;
}

/* 移动端菜单 */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.mobile-toggle span {
  width: 26px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: 0.3s;
}

/* 面包屑导航 */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
}

/* 主视觉Banner */
.hero-banner {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 20%, rgba(108, 60, 225, 0.3) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
              var(--bg-main);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(108, 60, 225, 0.05) 60deg, transparent 120deg);
  animation: heroRotate 30s linear infinite;
}

@keyframes heroRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 20px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-cta {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  padding: 16px 48px;
  border-radius: var(--radius-xl);
  font-size: 1.15rem;
  font-weight: 700;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-lg);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 50px rgba(108, 60, 225, 0.4);
  color: #fff;
}

/* 区块标题 */
.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-title h2 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* 通用区块 */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-section-alt);
}

/* 服务卡片 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

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

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

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-link {
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link:hover {
  color: var(--secondary);
}

/* 活动日历 */
.events-list {
  display: grid;
  gap: 20px;
}

.event-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.3s, transform 0.3s;
}

.event-item:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.event-date {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.event-date .month {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.event-date .day {
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
}

.event-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

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

.event-tag {
  display: inline-block;
  background: rgba(108, 60, 225, 0.2);
  color: var(--primary-light);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  margin-top: 8px;
}

/* 成功故事轮播 */
.stories-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.story-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.story-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.story-content {
  padding: 24px;
}

.story-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.story-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 12px;
}

.story-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.story-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.story-author-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.story-author-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* 教程入口 */
.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s;
}

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

.tutorial-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
  position: relative;
}

.tutorial-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: rgba(108, 60, 225, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tutorial-content {
  padding: 20px;
}

.tutorial-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.tutorial-content p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.tutorial-meta {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 注册表单 */
.register-section {
  background: radial-gradient(ellipse at center, rgba(108, 60, 225, 0.2) 0%, transparent 70%);
}

.register-form {
  max-width: 500px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

.btn-primary {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  padding: 14px 36px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  width: 100%;
  text-align: center;
  font-family: inherit;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--primary-light);
  padding: 12px 28px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-accent {
  display: inline-block;
  background: var(--gradient-accent);
  color: #fff;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.3s;
}

.btn-accent:hover {
  transform: translateY(-2px);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s;
}

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

.faq-question .faq-toggle {
  font-size: 1.2rem;
  color: var(--primary-light);
  transition: transform 0.3s;
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

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

/* 页脚 */
.site-footer {
  background: #0A0612;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .site-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.3s;
  font-size: 0.85rem;
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* 内页通用头部 */
.page-header {
  padding: 60px 0 40px;
  background: radial-gradient(ellipse at 50% 0%, rgba(108, 60, 225, 0.2) 0%, transparent 60%);
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* 教程步骤 */
.howto-steps {
  max-width: 800px;
  margin: 0 auto;
}

.howto-step {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
  color: #fff;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* 论坛 */
.forum-categories {
  display: grid;
  gap: 16px;
}

.forum-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: border-color 0.3s;
}

.forum-category:hover {
  border-color: var(--primary);
}

.forum-category-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.forum-category-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.forum-stats {
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.forum-stats strong {
  color: var(--primary-light);
}

/* 评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.review-stars {
  color: var(--secondary);
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.review-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-accent);
}

.review-author-info .name {
  font-weight: 700;
  font-size: 0.9rem;
}

.review-author-info .role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.contact-info-list {
  display: grid;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-info-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 创作者主页 */
.creator-profile {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
}

.creator-avatar-lg {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.creator-info h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.creator-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.creator-tag {
  background: rgba(108, 60, 225, 0.2);
  color: var(--primary-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
}

.creator-stats {
  display: flex;
  gap: 24px;
  margin-top: 16px;
}

.creator-stat {
  text-align: center;
}

.creator-stat .num {
  font-size: 1.4rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.creator-stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* 视频网格 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s;
}

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

.video-thumb-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.video-thumb-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}

.video-card-info {
  padding: 16px;
}

.video-card-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.video-card-info p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* 动画 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 地图占位 */
.map-placeholder {
  width: 100%;
  height: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
}

/* 下载页 */
.download-section {
  text-align: center;
}

.download-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 32px;
  transition: all 0.3s;
}

.download-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.download-btn .icon {
  font-size: 2rem;
}

.download-btn .text {
  text-align: left;
}

.download-btn .text small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.download-btn .text strong {
  font-size: 1rem;
  color: var(--text-primary);
}

/* 隐私政策 */
.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--text-primary);
}

.policy-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

/* 响应式 */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-banner {
    padding: 60px 0 50px;
  }
  
  .section {
    padding: 50px 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .creator-profile {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .creator-tags {
    justify-content: center;
  }
  
  .creator-stats {
    justify-content: center;
  }
  
  .stories-carousel {
    grid-template-columns: 1fr;
  }
  
  .howto-step {
    flex-direction: column;
  }
  
  .event-item {
    flex-direction: column;
  }
  
  .page-header h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }
  
  .hero-cta {
    padding: 14px 32px;
    font-size: 1rem;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .tutorials-grid {
    grid-template-columns: 1fr;
  }
  
  .video-grid {
    grid-template-columns: 1fr;
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}