/* ============================================
   抖阴 - 动漫二次元风格原创CSS
   配色：樱花粉 #FFB7C5 + 天空蓝 #87CEEB + 薰衣草紫 #E6E6FA
   域名：0510car.cn
   ============================================ */

/* === 基础重置与全局变量 === */
:root {
  --sakura: #FFB7C5;
  --sakura-deep: #FF8FAB;
  --sky-blue: #87CEEB;
  --sky-deep: #5BA3D9;
  --lavender: #E6E6FA;
  --lavender-deep: #C8A2C8;
  --cream: #FFF8F0;
  --dark-text: #2D2B3D;
  --mid-text: #5A5775;
  --light-text: #8E8BA3;
  --card-bg: #FFFFFF;
  --body-bg: #FDF6F9;
  --gradient-main: linear-gradient(135deg, var(--sakura) 0%, var(--sky-blue) 100%);
  --gradient-hero: linear-gradient(160deg, #FFD1DC 0%, #B5E8F7 50%, #E6E6FA 100%);
  --shadow-soft: 0 4px 20px rgba(255, 183, 197, 0.25);
  --shadow-card: 0 6px 24px rgba(45, 43, 61, 0.08);
  --shadow-hover: 0 12px 36px rgba(255, 143, 171, 0.2);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

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

body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--body-bg);
  color: var(--dark-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--sakura-deep); text-decoration: none; transition: all 0.3s ease; }
a:hover { color: var(--sky-deep); }

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--dark-text);
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === 顶部导航栏 === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid rgba(255, 183, 197, 0.3);
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255, 248, 240, 0.98);
  box-shadow: 0 2px 20px rgba(255, 183, 197, 0.15);
}

.j8wtt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.vgqm8r {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vgqm8r img {
  height: 40px;
  width: auto;
  border-radius: 8px;
}

.vgqm8r .brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav { display: flex; align-items: center; gap: 6px; }

.main-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--mid-text);
  transition: all 0.3s ease;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--sakura-deep);
  background: rgba(255, 183, 197, 0.12);
}

.qwh3aj {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.qwh3aj span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--dark-text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* === Hero区域 === */
.hero-section {
  margin-top: 68px;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: 80px 0 60px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,183,197,0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-bubble 8s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(135,206,235,0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-bubble 10s ease-in-out infinite reverse;
}

@keyframes float-bubble {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.q7o04 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text h1 {
  font-size: 2.8rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-text h1 .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text .subtitle {
  font-size: 1.15rem;
  color: var(--mid-text);
  margin-bottom: 28px;
  line-height: 1.8;
}

.qpd4n265 {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(255, 143, 171, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 143, 171, 0.45);
  color: #fff;
}

.efldgp4w {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: transparent;
  color: var(--sakura-deep);
  border: 2px solid var(--sakura);
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.efldgp4w:hover {
  background: rgba(255, 183, 197, 0.1);
  border-color: var(--sakura-deep);
  transform: translateY(-2px);
}

.n6mj1fe {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.n6mj1fe img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.ewvjj3zj {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sakura-deep);
}

/* === 通用区块标题 === */
.section-block {
  padding: 70px 0;
}

.section-block:nth-child(even) {
  background: var(--cream);
}

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

.section-title h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-main);
  border-radius: 2px;
  margin: 12px auto 0;
}

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

/* === 视频卡片网格 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.video-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(45, 43, 61, 0.35);
  opacity: 0;
  transition: opacity 0.35s ease;
}

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

.play-btn-icon {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  transition: transform 0.3s ease;
}

.video-card:hover .play-btn-icon {
  transform: scale(1.1);
}

.play-btn-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--sakura-deep);
  margin-left: 3px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(45, 43, 61, 0.8);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 500;
}

.video-info {
  padding: 14px 16px;
}

.video-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--light-text);
}

.video-tag {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(255, 183, 197, 0.15);
  color: var(--sakura-deep);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* === 服务/功能模块 === */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
  border: 1px solid rgba(255, 183, 197, 0.15);
}

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

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  background: var(--gradient-main);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.service-card h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--mid-text);
  line-height: 1.65;
}

/* === 专家团队 === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.expert-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
}

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

.expert-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 14px;
  border: 3px solid var(--sakura);
  padding: 3px;
  background: var(--card-bg);
}

.expert-card h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.expert-card .role {
  font-size: 0.82rem;
  color: var(--sakura-deep);
  font-weight: 500;
  margin-bottom: 8px;
}

.expert-card .desc {
  font-size: 0.85rem;
  color: var(--light-text);
  line-height: 1.55;
}

/* === 社区评价 === */
.fpejc579 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.du00ei0 {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-card);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all 0.3s ease;
}

.du00ei0:hover {
  box-shadow: var(--shadow-hover);
}

.ab07s8 {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--lavender);
}

.dd5fav .e6gd01n {
  color: #FFD700;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.dd5fav p {
  font-size: 0.9rem;
  color: var(--mid-text);
  line-height: 1.65;
  margin-bottom: 8px;
}

.dd5fav .wcu535bo {
  font-size: 0.82rem;
  color: var(--light-text);
  font-weight: 500;
}

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

.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(255, 183, 197, 0.06);
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--sakura-deep);
  font-weight: 300;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  content: '-';
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.35s ease;
}

.faq-item.active .faq-answer {
  padding: 0 24px 18px;
  max-height: 500px;
}

.faq-answer p {
  font-size: 0.92rem;
  color: var(--mid-text);
  line-height: 1.7;
}

/* === 页脚 === */
.site-footer {
  background: var(--dark-text);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 0;
}

.hqnufjd {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pfsquli .brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.pfsquli p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.z3om4836 {
  display: flex;
  gap: 16px;
}

.z3om4836 img {
  width: 90px;
  height: 90px;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.uuxon2 h5 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 600;
}

.uuxon2 a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: all 0.3s ease;
}

.uuxon2 a:hover {
  color: var(--sakura);
  padding-left: 4px;
}

.y97ph7 {
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}

.y97ph7 a {
  color: rgba(255, 255, 255, 0.55);
}

.y97ph7 a:hover {
  color: var(--sakura);
}

/* === 面包屑 === */
.breadcrumb {
  padding: 16px 0;
  margin-top: 68px;
  background: var(--cream);
  border-bottom: 1px solid rgba(255, 183, 197, 0.15);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 0.88rem;
  color: var(--light-text);
}

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

.breadcrumb-list a:hover {
  color: var(--sakura-deep);
}

.breadcrumb-list li::after {
  content: '/';
  margin-left: 8px;
  color: var(--light-text);
}

.breadcrumb-list li:last-child::after {
  display: none;
}

/* === 内页通用横幅 === */
.page-banner {
  background: var(--gradient-hero);
  padding: 50px 0;
  text-align: center;
}

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

.page-banner p {
  font-size: 1.05rem;
  color: var(--mid-text);
  max-width: 650px;
  margin: 0 auto;
}

/* === 标签筛选 === */
.rxzee {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}

.rxzee .tag {
  padding: 7px 20px;
  border-radius: var(--radius-xl);
  font-size: 0.88rem;
  font-weight: 500;
  background: var(--card-bg);
  color: var(--mid-text);
  border: 1px solid rgba(255, 183, 197, 0.25);
  cursor: pointer;
  transition: all 0.3s ease;
}

.rxzee .tag:hover,
.rxzee .tag.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}

/* === 内页内容区 === */
.page-content {
  padding: 50px 0;
}

.content-text {
  max-width: 800px;
  margin: 0 auto;
}

.content-text h2 {
  font-size: 1.6rem;
  margin: 32px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--sakura);
}

.content-text h3 {
  font-size: 1.25rem;
  margin: 24px 0 10px;
}

.content-text p {
  font-size: 0.95rem;
  color: var(--mid-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* === 联系表单 === */
.gww5xis2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.ajrhsph {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.ajrhsph h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--sakura-deep);
}

.ajrhsph p {
  font-size: 0.92rem;
  color: var(--mid-text);
  line-height: 1.65;
}

.b8y6zp1d {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.p1h9jvu {
  margin-bottom: 18px;
}

.p1h9jvu label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark-text);
}

.p1h9jvu input,
.p1h9jvu textarea,
.p1h9jvu select {
  width: 100%;
  padding: 11px 16px;
  border: 2px solid rgba(255, 183, 197, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
  background: var(--body-bg);
}

.p1h9jvu input:focus,
.p1h9jvu textarea:focus,
.p1h9jvu select:focus {
  outline: none;
  border-color: var(--sakura);
}

.p1h9jvu textarea {
  min-height: 120px;
  resize: vertical;
}

/* === 数据统计条 === */
.idc922 {
  background: var(--gradient-main);
  padding: 40px 0;
}

.lc3srr {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  color: #fff;
}

.mswgrg .num {
  font-size: 2.2rem;
  font-weight: 800;
  display: block;
}

.mswgrg .label {
  font-size: 0.9rem;
  opacity: 0.85;
}

/* === 关于页时间线 === */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-main);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--sakura-deep);
  border-radius: 50%;
  border: 3px solid var(--body-bg);
}

.timeline-item .year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sakura-deep);
  margin-bottom: 4px;
}

.timeline-item h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--mid-text);
  line-height: 1.6;
}

/* === 动画 === */
.bb1h1 {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

/* === 回到顶部 === */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(255, 143, 171, 0.35);
  transition: all 0.3s ease;
  z-index: 999;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 143, 171, 0.5);
}

.back-to-top.visible {
  display: flex;
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .hqnufjd { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .q7o04 { grid-template-columns: 1fr; text-align: center; }
  .hero-text h1 { font-size: 2rem; }
  .qpd4n265 { justify-content: center; }
  .n6mj1fe { max-width: 500px; margin: 0 auto; }
  .video-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .service-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .fpejc579 { grid-template-columns: 1fr; }
  .lc3srr { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .gww5xis2 { grid-template-columns: 1fr; }
  .hqnufjd { grid-template-columns: 1fr; }
  .section-block { padding: 45px 0; }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 240, 0.98);
    flex-direction: column;
    padding: 16px;
    border-bottom: 2px solid var(--sakura);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }

  .main-nav.open { display: flex; }
  .qwh3aj { display: flex; }
}

@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 1.65rem; }
  .section-title h2 { font-size: 1.5rem; }
  .lc3srr { grid-template-columns: 1fr 1fr; }
  .mswgrg .num { font-size: 1.6rem; }
}