/* ============================================
   偷拍 - 动物写真与视频社区 原创样式表
   品牌域名: ehram.cn
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --dy-primary: #1A1A2E;
  --dy-secondary: #16213E;
  --dy-accent: #E94560;
  --dy-blue: #0F3460;
  --dy-bg: #F5F5F5;
  --dy-text: #333333;
  --dy-light: #999999;
  --dy-white: #FFFFFF;
  --dy-border: #E0E0E0;
  --dy-card-bg: #FFFFFF;
  --dy-gradient: linear-gradient(135deg, #1A1A2E 0%, #0F3460 100%);
  --dy-shadow: 0 4px 16px rgba(26,26,46,0.10);
  --dy-radius: 12px;
  --dy-transition: all 0.3s ease;
}

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

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

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  color: var(--dy-text);
  background: var(--dy-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--dy-accent); text-decoration: none; transition: var(--dy-transition); }
a:hover { color: #c73550; }

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

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

/* === 头部导航 === */
.dy-header {
  background: var(--dy-gradient);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.dy-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
  height: 68px;
}

.dy-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dy-logo img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.dy-logo span {
  color: var(--dy-white);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.dy-nav { display: flex; align-items: center; gap: 0; }

.dy-nav a {
  color: rgba(255,255,255,0.85);
  padding: 22px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: var(--dy-transition);
}

.dy-nav a:hover,
.dy-nav a.active {
  color: var(--dy-white);
  background: rgba(233,69,96,0.15);
}

.dy-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--dy-accent);
  border-radius: 2px;
  transition: var(--dy-transition);
}

.dy-nav a:hover::after,
.dy-nav a.active::after { width: 60%; }

/* 移动端菜单按钮 */
.dy-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.dy-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--dy-white);
  border-radius: 2px;
  transition: var(--dy-transition);
}

/* === 搜索框 === */
.dy-search-bar {
  background: var(--dy-secondary);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.dy-search-wrap {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.dy-search-wrap input {
  width: 100%;
  padding: 10px 48px 10px 18px;
  border: 2px solid rgba(233,69,96,0.3);
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  color: var(--dy-white);
  font-size: 0.95rem;
  outline: none;
  transition: var(--dy-transition);
}

.dy-search-wrap input::placeholder { color: rgba(255,255,255,0.5); }

.dy-search-wrap input:focus {
  border-color: var(--dy-accent);
  background: rgba(255,255,255,0.12);
}

.dy-search-wrap button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--dy-accent);
  border: none;
  color: var(--dy-white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--dy-transition);
}

.dy-search-wrap button:hover { background: #c73550; }

/* === 面包屑 === */
.dy-breadcrumb {
  padding: 14px 0;
  font-size: 0.85rem;
  color: var(--dy-light);
}

.dy-breadcrumb a { color: var(--dy-blue); }
.dy-breadcrumb a:hover { color: var(--dy-accent); }
.dy-breadcrumb span { margin: 0 6px; }

/* === Banner区域 === */
.dy-banner {
  position: relative;
  width: 100%;
  min-height: 420px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.dy-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.82) 0%, rgba(15,52,96,0.65) 100%);
}

.dy-banner-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 60px 40px;
  color: var(--dy-white);
}

.dy-banner-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.dy-banner-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 28px;
}

.dy-btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--dy-accent);
  color: var(--dy-white);
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--dy-transition);
  border: none;
  cursor: pointer;
}

.dy-btn:hover {
  background: #c73550;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233,69,96,0.35);
  color: var(--dy-white);
}

.dy-btn-outline {
  background: transparent;
  border: 2px solid var(--dy-white);
  margin-left: 12px;
}

.dy-btn-outline:hover {
  background: var(--dy-white);
  color: var(--dy-primary);
}

/* === 通用区块 === */
.dy-section {
  padding: 60px 0;
}

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

.dy-section-dark {
  background: var(--dy-gradient);
  color: var(--dy-white);
}

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

.dy-section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dy-primary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.dy-section-dark .dy-section-title h2 { color: var(--dy-white); }

.dy-section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background: var(--dy-accent);
  border-radius: 2px;
}

.dy-section-title p {
  color: var(--dy-light);
  font-size: 1rem;
  margin-top: 16px;
}

.dy-section-dark .dy-section-title p { color: rgba(255,255,255,0.7); }

/* === 视频卡片网格 === */
.dy-video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.dy-video-card {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  overflow: hidden;
  box-shadow: var(--dy-shadow);
  transition: var(--dy-transition);
  position: relative;
}

.dy-video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(26,26,46,0.18);
}

.dy-video-thumb {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  background: #1a1a2e;
}

.dy-video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--dy-transition);
}

.dy-video-card:hover .dy-video-thumb img {
  transform: scale(1.06);
}

.dy-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(233,69,96,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--dy-transition);
  z-index: 3;
}

.dy-play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 3px;
}

.dy-video-card:hover .dy-play-btn { opacity: 1; }

.dy-video-h5 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
}

.dy-video-desc {
  font-size: 0.88rem;
  color: var(--dy-light);
  line-height: 1.6;
  margin-top: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dy-video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  z-index: 3;
}

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

.dy-video-info h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dy-video-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--dy-light);
}

.dy-video-meta span { display: flex; align-items: center; gap: 4px; }

/* === 栏目卡片 === */
.dy-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.dy-category-card {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--dy-shadow);
  transition: var(--dy-transition);
  border-top: 4px solid transparent;
}

.dy-category-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--dy-accent);
}

.dy-category-card .icon {
  font-size: 2.8rem;
  margin-bottom: 16px;
}

.dy-category-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--dy-primary);
}

.dy-category-card p {
  font-size: 0.9rem;
  color: var(--dy-light);
  line-height: 1.6;
}

/* === 专家展示 === */
.dy-expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.dy-expert-card {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  overflow: hidden;
  box-shadow: var(--dy-shadow);
  text-align: center;
  transition: var(--dy-transition);
}

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

.dy-expert-avatar {
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.dy-expert-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--dy-transition);
}

.dy-expert-card:hover .dy-expert-avatar img { transform: scale(1.05); }

.dy-expert-info {
  padding: 20px;
}

.dy-expert-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.dy-expert-info .role {
  color: var(--dy-accent);
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.dy-expert-info p {
  font-size: 0.88rem;
  color: var(--dy-light);
  line-height: 1.6;
  margin-bottom: 14px;
}

.dy-expert-btns { display: flex; gap: 10px; justify-content: center; }

.dy-btn-sm {
  padding: 6px 18px;
  font-size: 0.82rem;
  border-radius: 20px;
}

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

.dy-faq-item {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}

.dy-faq-question {
  padding: 18px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--dy-transition);
}

.dy-faq-question:hover { background: rgba(233,69,96,0.04); }

.dy-faq-question .arrow {
  transition: var(--dy-transition);
  font-size: 1.2rem;
  color: var(--dy-accent);
}

.dy-faq-item.open .dy-faq-question .arrow { transform: rotate(180deg); }

.dy-faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  color: var(--dy-light);
  line-height: 1.8;
  font-size: 0.95rem;
}

.dy-faq-item.open .dy-faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* === 用户评论 === */
.dy-review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.dy-review-card {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  padding: 24px;
  box-shadow: var(--dy-shadow);
  position: relative;
}

.dy-review-card::before {
  content: '\201C';
  position: absolute;
  top: 12px;
  left: 18px;
  font-size: 3rem;
  color: rgba(233,69,96,0.15);
  font-family: Georgia, serif;
  line-height: 1;
}

.dy-review-stars {
  color: #FFB800;
  margin-bottom: 10px;
  font-size: 0.9rem;
}

.dy-review-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--dy-text);
  margin-bottom: 14px;
}

.dy-review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dy-review-author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dy-gradient);
  color: var(--dy-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.dy-review-author .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.dy-review-author .date {
  font-size: 0.8rem;
  color: var(--dy-light);
}

/* === 合作品牌墙 === */
.dy-partner-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  align-items: center;
}

.dy-partner-item {
  width: 140px;
  height: 70px;
  background: var(--dy-card-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  font-weight: 700;
  color: var(--dy-blue);
  font-size: 0.9rem;
  transition: var(--dy-transition);
}

.dy-partner-item:hover {
  transform: scale(1.05);
  box-shadow: var(--dy-shadow);
}

/* === 社交分享 === */
.dy-share-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.dy-share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--dy-white);
  transition: var(--dy-transition);
}

.dy-share-btn:hover { transform: translateY(-2px); color: var(--dy-white); }

.dy-share-wechat { background: #07C160; }
.dy-share-weibo { background: #E6162D; }
.dy-share-douyin { background: #161823; }
.dy-share-bilibili { background: #00A1D6; }

/* === 页脚 === */
.dy-footer {
  background: var(--dy-primary);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 0;
}

.dy-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
  margin-bottom: 36px;
}

.dy-footer h4 {
  color: var(--dy-white);
  font-size: 1.05rem;
  margin-bottom: 18px;
  font-weight: 600;
}

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

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

.dy-footer ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: var(--dy-transition);
}

.dy-footer ul li a:hover { color: var(--dy-accent); }

.dy-footer-qr {
  display: flex;
  gap: 20px;
}

.dy-footer-qr img {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  border: 2px solid rgba(255,255,255,0.15);
}

.dy-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

.dy-footer-bottom a { color: rgba(255,255,255,0.65); }

/* === 内页通用 === */
.dy-page-header {
  background: var(--dy-gradient);
  padding: 48px 0;
  text-align: center;
  color: var(--dy-white);
}

.dy-page-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.dy-page-header p {
  font-size: 1rem;
  opacity: 0.8;
}

.dy-content-area {
  padding: 40px 0;
}

.dy-content-area h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--dy-primary);
  margin-bottom: 16px;
  margin-top: 32px;
}

.dy-content-area h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dy-secondary);
  margin-bottom: 12px;
  margin-top: 24px;
}

.dy-content-area p {
  margin-bottom: 16px;
  line-height: 1.8;
}

.dy-content-area ul, .dy-content-area ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.dy-content-area li {
  margin-bottom: 8px;
  line-height: 1.7;
}

/* === 联系信息 === */
.dy-contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.dy-contact-card {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  padding: 28px;
  text-align: center;
  box-shadow: var(--dy-shadow);
}

.dy-contact-card .icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
}

.dy-contact-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.dy-contact-card p {
  font-size: 0.9rem;
  color: var(--dy-light);
}

/* === How-To指南 === */
.dy-howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}

.dy-howto-step {
  background: var(--dy-card-bg);
  border-radius: var(--dy-radius);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--dy-shadow);
  counter-increment: step;
}

.dy-howto-step::before {
  content: counter(step);
  position: absolute;
  top: -14px;
  left: 24px;
  width: 32px;
  height: 32px;
  background: var(--dy-accent);
  color: var(--dy-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.dy-howto-step h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  margin-top: 8px;
}

.dy-howto-step p {
  font-size: 0.9rem;
  color: var(--dy-light);
  line-height: 1.6;
}

/* === 懒加载占位 === */
.lazy-placeholder {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* === 干扰标签隐藏 === */
.dy-noise { display: none !important; }

/* === 响应式设计 === */
@media (max-width: 768px) {
  .dy-header-inner { height: 56px; }

  .dy-logo img { width: 34px; height: 34px; }
  .dy-logo span { font-size: 1.15rem; }

  .dy-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--dy-primary);
    flex-direction: column;
    padding: 12px 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  }

  .dy-nav.open { display: flex; }

  .dy-nav a { padding: 14px 24px; width: 100%; }

  .dy-menu-btn { display: flex; }

  .dy-banner { min-height: 320px; }

  .dy-banner-content {
    padding: 32px 20px;
  }

  .dy-banner-content h1 { font-size: 1.8rem; }

  .dy-section { padding: 40px 0; }

  .dy-section-title h2 { font-size: 1.5rem; }

  .dy-video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }

  .dy-footer-grid { grid-template-columns: 1fr 1fr; }

  .dy-page-header { padding: 32px 0; }
  .dy-page-header h1 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .dy-video-grid { grid-template-columns: 1fr; }
  .dy-category-grid { grid-template-columns: 1fr; }
  .dy-expert-grid { grid-template-columns: 1fr; }
  .dy-review-grid { grid-template-columns: 1fr; }
  .dy-footer-grid { grid-template-columns: 1fr; }
  .dy-banner-content h1 { font-size: 1.5rem; }
  .dy-btn { padding: 10px 24px; font-size: 0.9rem; }
}

/* === 打印样式 === */
@media print {
  .dy-header, .dy-search-bar, .dy-footer, .dy-share-bar { display: none; }
  body { background: white; color: black; }
}