/* ===================================================
   91 修车改装社区 - 主样式文件
   网站: ifjbrek.cn
   =================================================== */

/* ---- CSS变量 ---- */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --secondary: #1d3557;
  --accent: #f4a261;
  --dark: #0d0d0d;
  --dark2: #1a1a1a;
  --dark3: #242424;
  --light: #f8f9fa;
  --gray: #6c757d;
  --gray-light: #dee2e6;
  --white: #ffffff;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-hover: 0 8px 40px rgba(230,57,70,0.3);
  --transition: all 0.3s ease;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

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

ul, ol {
  list-style: none;
}

/* ---- 容器 ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-fluid {
  width: 100%;
  padding: 0 20px;
}

/* ---- 通用工具类 ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-gray { color: var(--gray); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.py-2 { padding: 16px 0; }
.py-3 { padding: 24px 0; }
.py-4 { padding: 32px 0; }
.py-5 { padding: 48px 0; }
.py-6 { padding: 64px 0; }
.hidden { display: none; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ---- 按钮 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--dark);
}

.btn-accent:hover {
  background: #e07b3a;
  color: var(--dark);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
}

/* ---- 章节标题 ---- */
.mv3jxg6 {
  text-align: center;
  margin-bottom: 48px;
}

.ylm75 {
  display: inline-block;
  background: rgba(230,57,70,0.15);
  color: var(--primary);
  border: 1px solid rgba(230,57,70,0.3);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--primary);
}

.v97h9p2 {
  font-size: 16px;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- 顶部导航 ---- */
#8wik5 {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

#site-header.scrolled {
  background: rgba(13,13,13,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.578inu {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -1px;
  box-shadow: 0 0 20px rgba(230,57,70,0.4);
}

.xbr8q2su {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.xbr8q2su .brand {
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 1px;
}

.xbr8q2su .slogan {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 1px;
}

/* 主导航 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
  background: rgba(230,57,70,0.15);
  color: var(--primary);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 6px 16px;
  gap: 8px;
  transition: var(--transition);
  min-width: 200px;
}

.header-search:focus-within {
  border-color: var(--primary);
  background: rgba(230,57,70,0.08);
}

.header-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--white);
  font-size: 14px;
  width: 100%;
  font-family: var(--font-main);
}

.header-search input::placeholder {
  color: var(--gray);
}

.header-search button {
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header-search button:hover {
  color: var(--primary);
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- 搜索栏（导航下方） ---- */
.q8hmt2 {
  background: var(--dark2);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding: 12px 0;
  margin-top: 68px;
}

.81atnw {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.81atnw .x3alfe6t {
  flex: 1;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 30px;
  padding: 10px 20px;
  gap: 10px;
  transition: var(--transition);
}

.81atnw .x3alfe6t:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.15);
}

.81atnw input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--white);
  font-size: 15px;
  font-family: var(--font-main);
}

.81atnw input::placeholder {
  color: var(--gray);
}

.81atnw .6dk2k {
  color: var(--gray);
  font-size: 18px;
}

.81atnw .pz6i3zw {
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 24px;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}

.81atnw .pz6i3zw:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.5p1bl {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 8px auto 0;
  padding: 0 20px;
}

.5p1bl span {
  font-size: 12px;
  color: var(--gray);
}

.5p1bl a {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
  padding: 3px 10px;
  border-radius: 12px;
  transition: var(--transition);
}

.5p1bl a:hover {
  color: var(--primary);
  background: rgba(230,57,70,0.1);
}

/* ---- Hero Banner ---- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner-hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  transition: transform 8s ease;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,13,13,0.85) 0%,
    rgba(13,13,13,0.6) 50%,
    rgba(13,13,13,0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(230,57,70,0.2);
  border: 1px solid rgba(230,57,70,0.4);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  animation: fadeInDown 0.8s ease;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  color: var(--primary);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 36px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.p3cildh {
  text-align: left;
}

.p3cildh .num {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.p3cildh .label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

.a0tqz07d {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  animation: bounce 2s infinite;
}

.a0tqz07d .arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(255,255,255,0.3);
  border-bottom: 2px solid rgba(255,255,255,0.3);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- 视频卡片 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.video-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.video-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.video-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230,57,70,0.3);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--dark3);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}

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

.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(230,57,70,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transform: scale(0.8);
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(230,57,70,0.5);
}

.video-card:hover .play-icon {
  transform: scale(1);
}

.play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 4px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.8);
  color: var(--white);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: var(--white);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray);
}

.video-author {
  display: flex;
  align-items: center;
  gap: 6px;
}

.video-author img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.video-stats {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--gray);
  margin-top: 8px;
}

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

/* ---- 特色视频大卡 ---- */
.featured-video {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  background: var(--dark3);
}

.featured-video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-video:hover img {
  transform: scale(1.05);
}

.featured-video .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
}

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

.featured-video .video-info-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
}

.featured-video .video-info-overlay h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}

/* ---- 内容区块 ---- */
.section {
  padding: 80px 0;
}

.section-dark {
  background: var(--dark);
}

.section-darker {
  background: var(--dark2);
}

.section-accent {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--dark2) 100%);
}

/* ---- 专家卡片 ---- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.yn80j {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  text-align: center;
}

.yn80j:hover {
  transform: translateY(-6px);
  border-color: rgba(230,57,70,0.3);
  box-shadow: var(--shadow-hover);
}

.expert-avatar {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.expert-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.yn80j:hover .expert-avatar img {
  transform: scale(1.05);
}

.expert-badge {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  font-weight: 700;
  white-space: nowrap;
}

.expert-body {
  padding: 20px;
}

.zdlwm9gr {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}

.lir4q3bw {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.otkp6s {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tst3v8ai {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 16px;
}

.h2jhqq {
  background: rgba(244,162,97,0.15);
  color: var(--accent);
  border: 1px solid rgba(244,162,97,0.3);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
}

.expert-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

/* ---- 评价卡片 ---- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  position: relative;
}

.review-card:hover {
  border-color: rgba(230,57,70,0.2);
  transform: translateY(-3px);
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 60px;
  color: rgba(230,57,70,0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 12px;
}

.star {
  color: #ffc107;
  font-size: 16px;
}

.review-text {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 16px;
}

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

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.review-name {
  font-weight: 700;
  color: var(--white);
  font-size: 14px;
}

.review-info {
  font-size: 12px;
  color: var(--gray);
  margin-top: 2px;
}

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

.faq-item {
  background: var(--dark2);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: rgba(230,57,70,0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  transition: var(--transition);
  gap: 16px;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(230,57,70,0.15);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: var(--white);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

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

/* ---- 合作品牌 ---- */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

.partner-logo {
  background: var(--dark2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  transition: var(--transition);
}

.partner-logo:hover {
  border-color: rgba(230,57,70,0.3);
  background: rgba(230,57,70,0.05);
  transform: translateY(-3px);
}

.partner-logo span {
  font-size: 16px;
  font-weight: 800;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
  transition: var(--transition);
}

.partner-logo:hover span {
  color: var(--white);
}

/* ---- 联系区块 ---- */
.jcnamssg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.8flzf7 {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.csapojbr {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.2wnm93o {
  width: 48px;
  height: 48px;
  background: rgba(230,57,70,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  color: var(--primary);
}

.q76gss4 h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.q76gss4 p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* QR码 */
.gnxp51 {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.8uy9np {
  text-align: center;
}

.cf9tg2xz {
  width: 120px;
  height: 120px;
  background: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 8px;
  overflow: hidden;
}

.cf9tg2xz canvas {
  width: 100% !important;
  height: 100% !important;
}

.j0dlmlr {
  font-size: 12px;
  color: var(--gray);
}

/* ---- 社区入口 ---- */
.community-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.community-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  transition: var(--transition);
}

.community-card:hover {
  border-color: rgba(230,57,70,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.community-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.community-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.community-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* ---- AI功能卡片 ---- */
.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ai-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.ai-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230,57,70,0.2);
  box-shadow: var(--shadow-hover);
}

.ai-card-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.ai-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.ai-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

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

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: none;
}

.share-wechat { background: #07c160; color: #fff; }
.share-weibo { background: #e6162d; color: #fff; }
.share-douyin { background: #010101; color: #fff; border: 1px solid #333; }
.share-bilibili { background: #00a1d6; color: #fff; }
.share-qq { background: #12b7f5; color: #fff; }

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  color: #fff;
}

/* ---- 面包屑 ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray);
  padding: 16px 0;
  flex-wrap: wrap;
}

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

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

.breadcrumb .sep {
  color: rgba(255,255,255,0.2);
}

.breadcrumb .current {
  color: var(--primary);
}

/* ---- 分页 ---- */
.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 48px;
  flex-wrap: wrap;
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--dark2);
  color: var(--gray);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ---- 页脚 ---- */
#yhyd97 {
  background: var(--dark2);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 0;
}

.zeq2v0iz {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.kahnuvk .md6ddt {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.kahnuvk p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 20px;
}

.3slrnt6r {
  display: flex;
  gap: 10px;
}

.yx55q4k0 {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 16px;
  transition: var(--transition);
  text-decoration: none;
}

.yx55q4k0:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.841745 h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.841745 h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
}

.4x6q2uf {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.4x6q2uf a {
  font-size: 14px;
  color: var(--gray);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.4x6q2uf a::before {
  content: '›';
  color: var(--primary);
  font-size: 16px;
}

.4x6q2uf a:hover {
  color: var(--white);
  padding-left: 4px;
}

.4u6yi {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.4u6yi p {
  font-size: 13px;
  color: var(--gray);
}

.4u6yi a {
  color: var(--gray);
}

.4u6yi a:hover {
  color: var(--primary);
}

.bm41zx0 {
  display: flex;
  gap: 20px;
}

/* ---- 标签 ---- */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.tag-red { background: rgba(230,57,70,0.15); color: var(--primary); border: 1px solid rgba(230,57,70,0.3); }
.tag-orange { background: rgba(244,162,97,0.15); color: var(--accent); border: 1px solid rgba(244,162,97,0.3); }
.tag-blue { background: rgba(29,53,87,0.5); color: #74b9ff; border: 1px solid rgba(116,185,255,0.3); }
.tag-green { background: rgba(0,184,148,0.15); color: #00b894; border: 1px solid rgba(0,184,148,0.3); }

/* ---- 内页Banner ---- */
.inner-banner {
  background: linear-gradient(135deg, var(--dark2) 0%, var(--dark) 100%);
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
  margin-top: 68px;
}

.inner-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(230,57,70,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.inner-banner h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
}

.inner-banner h1 span {
  color: var(--primary);
}

.inner-banner p {
  font-size: 16px;
  color: var(--gray);
  max-width: 600px;
}

/* ---- 加载动画 ---- */
.skeleton {
  background: linear-gradient(90deg, var(--dark2) 25%, var(--dark3) 50%, var(--dark2) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius);
}

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

/* ---- 滚动条 ---- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--dark);
}

::-webkit-scrollbar-thumb {
  background: rgba(230,57,70,0.4);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---- 响应式 ---- */
@media (max-width: 1200px) {
  .video-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .zeq2v0iz { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
  .video-grid-4, .video-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ai-features { grid-template-columns: 1fr 1fr; }
  .community-cards { grid-template-columns: 1fr 1fr; }
  .jcnamssg { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-search { min-width: 160px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .hero-stats { gap: 24px; }
  .p3cildh .num { font-size: 24px; }
  .video-grid, .video-grid-4, .video-grid-3 { grid-template-columns: 1fr 1fr; }
  .expert-grid { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .ai-features { grid-template-columns: 1fr; }
  .community-cards { grid-template-columns: 1fr; }
  .zeq2v0iz { grid-template-columns: 1fr 1fr; }
  .header-search { display: none; }
}

@media (max-width: 576px) {
  .video-grid, .video-grid-4, .video-grid-3 { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .zeq2v0iz { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .4u6yi { flex-direction: column; text-align: center; }
}

/* ---- 移动端导航菜单 ---- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(13,13,13,0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 999;
  padding: 16px 20px;
  flex-direction: column;
  gap: 4px;
}

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

.mobile-nav a {
  color: rgba(255,255,255,0.8);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.mobile-nav a:hover {
  color: var(--primary);
  background: rgba(230,57,70,0.1);
}

/* ---- 数字统计 ---- */
.oa7xc9c5 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.1r8w2yh {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.1r8w2yh::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.1r8w2yh:hover::after {
  transform: scaleX(1);
}

.1r8w2yh:hover {
  transform: translateY(-4px);
}

.10jscg {
  font-size: 42px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}

.azio2 {
  font-size: 14px;
  color: var(--gray);
}

@media (max-width: 768px) {
  .oa7xc9c5 { grid-template-columns: repeat(2, 1fr); }
}

/* ---- 视频播放弹窗 ---- */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.video-modal.active {
  display: flex;
}

.video-modal-inner {
  position: relative;
  width: 100%;
  max-width: 900px;
  background: var(--dark2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.video-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.6);
  border: none;
  border-radius: 50%;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  transition: var(--transition);
}

.video-modal-close:hover {
  background: var(--primary);
}

.video-modal video {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--dark);
}

/* ---- 图片懒加载占位 ---- */
img[data-src] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img.loaded {
  opacity: 1;
}

/* ---- 高亮条 ---- */
.hsiirz {
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  padding: 12px 0;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
}

.hsiirz a {
  color: var(--white);
  text-decoration: underline;
}

/* ---- 内容标签筛选 ---- */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-tab {
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--gray);
  transition: var(--transition);
  font-family: var(--font-main);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ---- 图文混排 ---- */
.bpw8t {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.media-text-grid.reverse {
  direction: rtl;
}

.media-text-grid.reverse > * {
  direction: ltr;
}

.b80ze {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.b80ze img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vi3zjr h2 {
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.vi3zjr h2 span {
  color: var(--primary);
}

.vi3zjr p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 16px;
}

.ln981 {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.7yzol5 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

.7yzol5::before {
  content: '✓';
  width: 22px;
  height: 22px;
  background: rgba(230,57,70,0.2);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .bpw8t { grid-template-columns: 1fr; gap: 30px; }
  .media-text-grid.reverse { direction: ltr; }
}

/* ---- How-To 步骤 ---- */
.t6qebrh {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.t6qebrh::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 0;
}

.7vhww {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.7vhww:hover {
  transform: translateY(-4px);
  border-color: rgba(230,57,70,0.3);
}

.g3qakcr {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  margin: 0 auto 16px;
  box-shadow: 0 0 20px rgba(230,57,70,0.3);
}

.7vhww h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.7vhww p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .t6qebrh { grid-template-columns: repeat(2, 1fr); }
  .t6qebrh::before { display: none; }
}

@media (max-width: 480px) {
  .t6qebrh { grid-template-columns: 1fr; }
}

/* ===================================================
   91 修车改装社区 - 补充样式（v2 EEAT增强版）
   网站: ifjbrek.cn
   =================================================== */

/* ---- 获奖视频专区 ---- */
.vljltdr {
  position: relative;
}

.ds24jgw {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.mx60u2u {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #f4a261, #e76f51);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.he0cqc75 {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #b0bec5, #78909c);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
}

.video-card.f9qvr {
  border-color: rgba(244, 162, 97, 0.3);
  box-shadow: 0 0 20px rgba(244, 162, 97, 0.08);
}

.video-card.f9qvr:hover {
  border-color: rgba(244, 162, 97, 0.6);
  box-shadow: 0 8px 40px rgba(244, 162, 97, 0.2);
}

/* ---- 情感话题 / 亲密教育科普 ---- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.topic-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: var(--transition);
}

.topic-card:hover::before {
  transform: scaleX(1);
}

.topic-card:hover {
  border-color: rgba(230,57,70,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.topic-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}

.topic-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.topic-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: 14px;
}

.topic-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--gray);
}

.topic-hot {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(230,57,70,0.12);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

@media (max-width: 992px) {
  .topic-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
  .topic-grid { grid-template-columns: 1fr; }
}

/* ---- 视频SEO标签增强 ---- */
.video-seo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.video-seo-tag {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.04);
  padding: 2px 8px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.video-seo-tag:hover {
  color: var(--primary);
  border-color: rgba(230,57,70,0.3);
  background: rgba(230,57,70,0.06);
}

/* ---- EEAT 权威信号条 ---- */
.g0mozfg {
  background: linear-gradient(90deg, rgba(29,53,87,0.6), rgba(13,13,13,0.8));
  border: 1px solid rgba(116,185,255,0.15);
  border-radius: var(--radius);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.1vjto4q {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}

.1vjto4q strong {
  color: var(--white);
}

.hx9hmrs {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- 视频内容标注（视频教程/视频演示标签）---- */
.video-content-type {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
}

.type-tutorial {
  background: rgba(0,184,148,0.15);
  color: #00b894;
  border: 1px solid rgba(0,184,148,0.3);
}

.type-demo {
  background: rgba(116,185,255,0.15);
  color: #74b9ff;
  border: 1px solid rgba(116,185,255,0.3);
}

.type-live {
  background: rgba(230,57,70,0.15);
  color: var(--primary);
  border: 1px solid rgba(230,57,70,0.3);
}

/* ---- 百度收录视频标注 ---- */
.baidu-video-hint {
  background: rgba(230,57,70,0.06);
  border: 1px dashed rgba(230,57,70,0.2);
  border-radius: var(--radius);
  padding: 12px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--gray);
  margin: 24px 0;
}

.baidu-video-hint strong {
  color: var(--primary);
}

/* ---- 移动端视频适配增强 ---- */
@media (max-width: 768px) {
  .video-thumb {
    aspect-ratio: 16/9;
  }

  .video-title {
    font-size: 14px;
    -webkit-line-clamp: 3;
  }

  .video-modal-inner {
    margin: 0;
    border-radius: 0;
    max-height: 100vh;
    overflow-y: auto;
  }

  .video-modal {
    padding: 0;
    align-items: flex-end;
  }

  .play-icon {
    width: 48px;
    height: 48px;
  }

  .play-icon::after {
    border-width: 8px 0 8px 14px;
  }

  .g0mozfg {
    gap: 16px;
    padding: 12px 16px;
  }

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

@media (max-width: 480px) {
  .filter-tabs {
    gap: 6px;
  }

  .filter-tab {
    padding: 6px 14px;
    font-size: 13px;
  }

  .video-stats {
    font-size: 11px;
    gap: 8px;
  }
}

/* ---- 视频卡片触摸设备优化 ---- */
@media (hover: none) {
  .video-play-btn {
    opacity: 1;
    background: rgba(0,0,0,0.2);
  }

  .play-icon {
    transform: scale(0.9);
  }
}

/* ---- 获奖视频荣誉展示 ---- */
.honor-strip {
  background: linear-gradient(90deg, rgba(244,162,97,0.08), rgba(230,57,70,0.08), rgba(244,162,97,0.08));
  border: 1px solid rgba(244,162,97,0.2);
  border-radius: var(--radius);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

.honor-strip strong {
  color: var(--accent);
}

/* ---- 视频内容密度增强（SEO关键词自然分布）---- */
.keyword-rich-intro {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border-left: 4px solid var(--primary);
  margin-bottom: 40px;
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  line-height: 1.9;
}

.keyword-rich-intro strong {
  color: var(--white);
}

/* ---- 视频更新时间标注 ---- */
.video-update-time {
  font-size: 11px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

.video-update-time::before {
  content: '⏱';
  font-size: 10px;
}

/* ---- 内页视频SEO说明区 ---- */
.video-seo-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.video-seo-intro-card {
  background: var(--dark2);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.06);
}

.video-seo-intro-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.video-seo-intro-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .video-seo-intro { grid-template-columns: 1fr; }
}