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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #faf6f0;
  color: #3d2c1e;
  line-height: 1.6;
}

/* 导航 */
.navbar {
  background: #faf6f0;
  border-bottom: 1px solid #e8ddd0;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #3d2c1e;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: #3d2c1e;
  color: #faf6f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
}

.logo-text h1 {
  font-size: 18px;
  font-weight: 700;
}

.logo-text p {
  font-size: 12px;
  color: #8b7355;
}

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

.nav-links a {
  text-decoration: none;
  color: #5c4a3a;
  font-size: 15px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: #3d2c1e;
  font-weight: 600;
}

/* Hero */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: #5c4a3a;
  margin-bottom: 24px;
  border: 1px solid #e8ddd0;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #4ade80;
  border-radius: 50%;
}

.hero h2 {
  font-size: 52px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #3d2c1e;
}

.hero-desc {
  font-size: 17px;
  color: #5c4a3a;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: #3d2c1e;
  color: #faf6f0;
}

.btn-primary:hover {
  background: #2a1d13;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: #3d2c1e;
  border: 2px solid #3d2c1e;
}

.btn-secondary:hover {
  background: #3d2c1e;
  color: #faf6f0;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: #3d2c1e;
}

.stat-label {
  font-size: 14px;
  color: #8b7355;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar {
  width: 320px;
  height: 320px;
  background: linear-gradient(135deg, #d4c4a8 0%, #c4a882 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 120px;
  font-weight: bold;
  color: #3d2c1e;
  position: relative;
  z-index: 2;
}

.hero-avatar::before {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  right: -16px;
  bottom: -16px;
  border: 2px solid #d4c4a8;
  border-radius: 50%;
  z-index: -1;
}

.hero-avatar::after {
  content: '';
  position: absolute;
  top: -32px;
  left: -32px;
  right: -32px;
  bottom: -32px;
  border: 1px solid #e8ddd0;
  border-radius: 50%;
  z-index: -2;
}

.avatar-caption {
  position: absolute;
  bottom: -60px;
  text-align: center;
  width: 100%;
}

.avatar-caption .name {
  font-size: 20px;
  font-weight: 700;
  color: #3d2c1e;
}

.avatar-caption .title {
  font-size: 14px;
  color: #8b7355;
}

/* 区块通用 */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 32px;
  margin-bottom: 12px;
}

.section-header p {
  color: #8b7355;
  font-size: 16px;
}

/* 视频列表 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 24px;
}

.video-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s;
  border: 1px solid #e8ddd0;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(61, 44, 30, 0.1);
}

.video-thumb {
  position: relative;
  aspect-ratio: 9/16;
  background: linear-gradient(135deg, #d4c4a8 0%, #c4a882 100%);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-thumb .play-icon {
  width: 56px;
  height: 56px;
  background: rgba(61, 44, 30, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}

.video-thumb .duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.video-info {
  padding: 10px 12px;
}

.video-category {
  font-size: 12px;
  color: #b8860b;
  font-weight: 600;
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.video-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.35;
  color: #3d2c1e;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-summary {
  font-size: 13px;
  color: #8b7355;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-date {
  font-size: 11px;
  color: #a89070;
  margin-top: 6px;
}

/* 视频详情页 */
.video-detail {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
}

.video-player-wrap {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 32px;
  aspect-ratio: 16/9;
}

.video-detail h1 {
  font-size: 28px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.video-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  color: #8b7355;
  font-size: 14px;
}

.video-content {
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  border: 1px solid #e8ddd0;
  font-size: 16px;
  line-height: 1.8;
  color: #3d2c1e;
}

.video-content p {
  margin-bottom: 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8b7355;
  text-decoration: none;
  margin-bottom: 24px;
  font-size: 14px;
}

.back-link:hover {
  color: #3d2c1e;
}

/* 分类筛选 */
.category-filter {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.category-btn {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid #e8ddd0;
  background: #fff;
  color: #5c4a3a;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.category-btn:hover,
.category-btn.active {
  background: #3d2c1e;
  color: #faf6f0;
  border-color: #3d2c1e;
}

/* 关于我 */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 48px;
  border-radius: 12px;
  border: 1px solid #e8ddd0;
}

.about-content h2 {
  font-size: 28px;
  margin-bottom: 24px;
}

.about-content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
  color: #3d2c1e;
}

.timeline {
  margin: 32px 0;
  padding-left: 24px;
  border-left: 2px solid #d4c4a8;
}

.timeline-item {
  margin-bottom: 24px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: #3d2c1e;
  border-radius: 50%;
}

.timeline-year {
  font-size: 14px;
  font-weight: 700;
  color: #b8860b;
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-desc {
  font-size: 14px;
  color: #8b7355;
  line-height: 1.6;
}

/* 联系合作 */
.contact-content {
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  padding: 48px;
  border-radius: 12px;
  border: 1px solid #e8ddd0;
  text-align: center;
}

.contact-content h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

.contact-content > p {
  color: #8b7355;
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: #faf6f0;
  border-radius: 8px;
  border: 1px solid #e8ddd0;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: #3d2c1e;
  color: #faf6f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-info p {
  font-size: 14px;
  color: #8b7355;
}

/* 页脚 */
.footer {
  background: #3d2c1e;
  color: #d4c4a8;
  padding: 48px 24px 24px;
  margin-top: 80px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand h3 {
  color: #faf6f0;
  font-size: 18px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
  color: #a89070;
}

.footer-col h4 {
  color: #faf6f0;
  font-size: 14px;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: #a89070;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #faf6f0;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid #5c4a3a;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #8b7355;
}

.footer-bottom a {
  color: #a89070;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #faf6f0;
}

/* 响应式 */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 40px 24px;
    text-align: center;
  }

  .hero h2 {
    font-size: 36px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-avatar {
    width: 240px;
    height: 240px;
    font-size: 80px;
  }

  .nav-links {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .about-content,
  .contact-content {
    padding: 32px 24px;
  }
}


/* ========== CTA 引流区 ========== */

/* 首页大CTA */
.cta-section {
  padding: 60px 20px;
  background: linear-gradient(135deg, #3d2c1e 0%, #5a3f2a 100%);
  color: #faf6f0;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta-badge {
  display: inline-block;
  background: rgba(250, 246, 240, 0.15);
  color: #f5c896;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 14px;
  margin-bottom: 20px;
}

.cta-section h2 {
  font-size: 32px;
  margin-bottom: 16px;
  line-height: 1.4;
}

.cta-section h2 em {
  color: #f5c896;
  font-style: normal;
}

.cta-desc {
  font-size: 17px;
  color: rgba(250, 246, 240, 0.8);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f5c896;
  color: #3d2c1e;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}

.cta-btn-primary:hover {
  background: #f0b878;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 200, 150, 0.3);
}

.cta-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #faf6f0;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 17px;
  border: 1.5px solid rgba(250, 246, 240, 0.4);
  text-decoration: none;
  transition: all 0.3s;
}

.cta-btn-secondary:hover {
  background: rgba(250, 246, 240, 0.1);
  border-color: rgba(250, 246, 240, 0.7);
}

.cta-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(250, 246, 240, 0.5);
}

/* 视频页内嵌CTA */
.video-cta-card {
  background: linear-gradient(135deg, #fef3e2 0%, #fae6cc 100%);
  border-radius: 12px;
  padding: 28px;
  margin: 32px 0;
  border-left: 4px solid #c4956a;
}

.video-cta-card h4 {
  font-size: 18px;
  color: #3d2c1e;
  margin-bottom: 8px;
}

.video-cta-card p {
  color: #6b5344;
  font-size: 14px;
  margin-bottom: 16px;
  line-height: 1.7;
}

.video-cta-card .cta-wechat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #3d2c1e;
  color: #faf6f0;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s;
}

.video-cta-card .cta-wechat:hover {
  background: #5a3f2a;
  transform: translateY(-1px);
}

.video-cta-card .cta-wechat strong {
  color: #f5c896;
}

@media (max-width: 768px) {
  .cta-section {
    padding: 40px 20px;
  }
  .cta-section h2 {
    font-size: 24px;
  }
  .cta-desc {
    font-size: 15px;
  }
  .cta-btn-primary, .cta-btn-secondary {
    padding: 12px 24px;
    font-size: 15px;
  }
  .video-cta-card {
    padding: 20px;
  }
  .video-cta-card h4 {
    font-size: 16px;
  }
}


/* ===== Contact Page ===== */
.contact-wrapper {
  display: flex;
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: flex-start;
}

.contact-left {
  flex: 1;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.contact-left h2 {
  margin: 0 0 8px 0;
  font-size: 28px;
  color: #1a1a1a;
}

.contact-subtitle {
  color: #666;
  margin-bottom: 28px;
  font-size: 15px;
}

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

.contact-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #333;
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #2563eb;
}

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

.btn-primary {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 12px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

.btn-primary:hover {
  background: #1d4ed8;
}

.form-tip {
  margin-top: 16px;
  font-size: 13px;
  color: #888;
  text-align: center;
}

.contact-right {
  width: 340px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-card {
  background: #fff;
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.contact-card h3 {
  margin: 0 0 16px 0;
  font-size: 18px;
  color: #1a1a1a;
}

.wechat-id {
  font-size: 15px;
  color: #333;
  margin: 0 0 16px 0;
}

.wechat-id strong {
  color: #07c160;
  font-size: 18px;
}

.qr-wrapper {
  text-align: center;
  padding: 12px;
  background: #f9fafb;
  border-radius: 8px;
  margin-bottom: 12px;
}

.qr-wrapper img {
  max-width: 180px;
  border-radius: 8px;
  display: block;
  margin: 0 auto;
}

.qr-tip {
  font-size: 13px;
  color: #666;
  text-align: center;
  margin: 0;
}

.qr-tip strong {
  color: #07c160;
}

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

.contact-list li {
  padding: 8px 0;
  font-size: 14px;
  color: #555;
  border-bottom: 1px solid #f0f0f0;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list a {
  color: #2563eb;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

@media (max-width: 900px) {
  .contact-wrapper {
    flex-direction: column;
  }
  .contact-right {
    width: 100%;
  }
}


/* 文案专栏 & 实战笔记 */
.article-list, .note-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.article-card, .note-card {
  background: #fff;
  border-radius: 12px;
  padding: 28px 32px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
  border: 1px solid #f0ebe3;
}

.article-card:hover, .note-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
  border-color: #c9a96e;
}

.article-meta, .note-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 14px;
  color: #8b7355;
}

.article-category, .note-category {
  background: #f5ede0;
  color: #8b6914;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.article-date, .note-date {
  color: #999;
}

.article-card h3, .note-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #2c2416;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-summary, .note-summary {
  color: #666;
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-read-more, .note-read-more {
  color: #c9a96e;
  font-size: 14px;
  font-weight: 500;
}


/* 文章详情页 */
.article-detail {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  padding: 40px 48px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.article-detail h1 {
  font-size: 28px;
  font-weight: 700;
  color: #2c2416;
  margin-bottom: 16px;
  line-height: 1.4;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid #f0ebe3;
  margin-bottom: 32px;
  font-size: 14px;
  color: #999;
}

.article-content {
  font-size: 16px;
  line-height: 2;
  color: #333;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content strong {
  color: #c9a96e;
  font-weight: 700;
}