/* ============================================================
   速运车服 — 二手车托运服务平台 主样式表
   设计系统：白 + 深灰 + 橙色(#F97316) + 亮蓝点缀
   风格：亮色为主、大留白、大圆角、互联网平台活力感
   依赖：Font Awesome 6.5.1 / Swiper 11 / AOS 2.3.4
   ============================================================ */

/* ===== Google Fonts ===== */


/* ===== CSS 变量系统 ===== */
:root {
  /* 主色调 */
  --orange: #F97316;
  --orange-hover: #EA580C;
  --orange-light: #FFF7ED;
  --orange-pale: #FFEDD5;
  --orange-dark: #C2410C;

  /* 蓝色点缀 */
  --blue: #2563EB;
  --blue-light: #EFF6FF;
  --blue-dark: #1D4ED8;

  /* 灰色系 */
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;

  /* 语义色 */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-400);
  --text-inverse: #FFFFFF;
  --bg-primary: #FFFFFF;
  --bg-secondary: var(--gray-50);
  --bg-dark: var(--gray-900);
  --border-subtle: rgba(0,0,0,0.06);
  --border-default: rgba(0,0,0,0.1);
  --border-orange: rgba(249,115,22,0.25);

  /* 排版 */
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

  /* 圆角 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-orange: 0 4px 20px rgba(249,115,22,0.25);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 容器 */
  --container-max: 1280px;
  --container-padding: 24px;
  --header-height: 72px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; outline: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }
picture { display: block; }

/* ===== 工具类 ===== */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.section { padding: 80px 0; }
.section--gray { background: var(--bg-secondary); }
.section--dark { background: var(--gray-900); color: var(--text-inverse); }
.section--orange { background: var(--orange-light); }
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  background: var(--orange-pale);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.dark .section-title, .section--dark .section-title { color: var(--text-inverse); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.6;
}
.dark .section-subtitle, .section--dark .section-subtitle { color: var(--gray-400); }

/* ===== 按钮系统 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: var(--orange);
  color: #fff;
  box-shadow: var(--shadow-orange);
}
.btn--primary:hover {
  background: var(--orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(249,115,22,0.35);
}
.btn--outline {
  border: 2px solid var(--orange);
  color: var(--orange);
  background: transparent;
}
.btn--outline:hover {
  background: var(--orange);
  color: #fff;
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: var(--orange);
  box-shadow: var(--shadow-md);
}
.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn--dark {
  background: var(--gray-900);
  color: #fff;
}
.btn--dark:hover {
  background: var(--gray-700);
  transform: translateY(-2px);
}
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }
.btn--sm { padding: 8px 20px; font-size: 0.85rem; }
.btn i { font-size: 0.9em; }

/* ===== Header 导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}
.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.97);
}
.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--orange);
  color: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}
.header__logo-text { line-height: 1.15; }
.header__logo-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  display: block;
  letter-spacing: -0.01em;
}
.header__logo-sub {
  font-size: 0.65rem;
  color: var(--orange);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* 主导航 */
.header__nav { display: flex; align-items: center; gap: 4px; }
.header__nav-item { position: relative; }
.header__nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.header__nav-link:hover { color: var(--orange); background: var(--orange-light); }
.header__nav-link.active { color: var(--orange); font-weight: 700; background: var(--orange-light); }

/* 下拉菜单 */
.header__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
  z-index: 60; /* 13.3: 足够的 z-index */
}
.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header__dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.header__dropdown a:hover { background: var(--orange-light); color: var(--orange); }

/* Header 右侧操作 */
.header__actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header__cta {
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: var(--orange);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-orange);
  transition: all var(--transition-base);
  white-space: nowrap;
}
.header__cta:hover { background: var(--orange-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(249,115,22,0.4); }

/* 汉堡菜单 (独立于 .header__actions, 避坑 13.4) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  cursor: pointer;
  z-index: 110;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* 移动端侧滑导航 */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: #fff;
  z-index: 105;
  overflow-y: auto;
  transition: right var(--transition-base);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}
.mobile-nav.active { right: 0; }
.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-weight: 500;
}
.mobile-nav__link:hover, .mobile-nav__link.active { background: var(--orange-light); color: var(--orange); }
.mobile-nav__sub {
  padding-left: 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.mobile-nav__sub.open { max-height: 400px; }
.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}
.mobile-nav__sub a:hover { color: var(--orange); }
.mobile-nav__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 104;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.mobile-nav__overlay.active { opacity: 1; visibility: visible; }

/* ===== 内页 Banner ===== */
.inner-banner {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: var(--header-height);
}
.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(23,23,23,0.85) 0%, rgba(249,115,22,0.5) 100%);
}
.inner-banner__content {
  position: relative;
  text-align: center;
  color: #fff;
  z-index: 1;
}
.inner-banner__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.inner-banner__subtitle {
  font-size: 1.05rem;
  opacity: 0.8;
  font-weight: 400;
}

/* 面包屑 */
.breadcrumb-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
}
.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb i, .breadcrumb .fa-solid { margin: 0 6px; font-size: 0.65rem; }

/* ===== Hero Banner 首页 ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 800px;
  overflow: hidden;
  margin-top: var(--header-height);
}
.hero-swiper, .hero-swiper .swiper-wrapper, .hero-swiper .swiper-slide { height: 100%; }
.hero__slide {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  transition: transform 6s ease-out;
}
.swiper-slide-active .hero__slide { transform: scale(1); }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(23,23,23,0.45) 0%, rgba(23,23,23,0.65) 60%, rgba(23,23,23,0.85) 100%);
  z-index: 2;
}
.hero__content {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0 var(--container-padding);
}
.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  max-width: 800px;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  opacity: 0.85;
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.hero__actions .btn--white { color: var(--gray-900); }
.hero-pagination {
  position: absolute;
  bottom: 40px !important;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.hero-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.5);
  opacity: 1;
  border-radius: 50%;
  transition: all var(--transition-base);
}
.hero-pagination .swiper-pagination-bullet-active {
  background: var(--orange);
  width: 32px;
  border-radius: var(--radius-full);
}

/* 滚动指示器 */
.hero__scroll {
  position: absolute;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(rgba(255,255,255,0.6), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===== 数据统计条 ===== */
.stats-bar {
  background: var(--orange);
  padding: 0;
  position: relative;
  z-index: 4;
  margin-top: -1px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-card {
  text-align: center;
  padding: 40px 20px;
  color: #fff;
  position: relative;
}
.stat-card + .stat-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.25);
}
.stat-card__number {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-card__label {
  font-size: 0.9rem;
  opacity: 0.85;
  font-weight: 500;
}
.stat-card__number span { display: inline; }

/* ===== 服务卡片 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.service-card:hover {
  border-color: var(--border-orange);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--orange-light);
  color: var(--orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all var(--transition-base);
}
.service-card:hover .service-card__icon {
  background: var(--orange);
  color: #fff;
  transform: scale(1.1);
  box-shadow: var(--shadow-orange);
}
.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.service-card__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== 报价查询卡片 ===== */
.quote-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.quote-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--orange), var(--orange-hover));
}
.quote-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.quote-form__full { grid-column: 1 / -1; }
.quote-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.quote-form input, .quote-form select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--gray-50);
  transition: all var(--transition-fast);
}
.quote-form input:focus, .quote-form select:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249,115,22,0.1);
  background: #fff;
}

/* ===== 运输实景画廊 ===== */
.gallery-swiper { padding: 20px var(--container-padding); }
.gallery-slide {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-slide:hover img { transform: scale(1.08); }
.gallery-slide__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: #fff;
}
.gallery-slide__title { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.gallery-slide__desc { font-size: 0.8rem; opacity: 0.8; }

/* ===== 订单追踪步骤 ===== */
.tracking-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.tracking-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(12.5% + 36px);
  right: calc(12.5% + 36px);
  height: 3px;
  background: var(--gray-200);
  z-index: 0;
}
.tracking-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.tracking-step__dot {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: #fff;
  border: 3px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--gray-400);
  transition: all var(--transition-base);
}
.tracking-step.active .tracking-step__dot {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-light);
  box-shadow: 0 0 0 8px rgba(249,115,22,0.1);
}
.tracking-step__title { font-weight: 700; font-size: 1rem; color: var(--text-primary); margin-bottom: 4px; }
.tracking-step__desc { font-size: 0.82rem; color: var(--text-muted); }

/* ===== 案例卡片 (错落网格) ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-orange);
}
.case-card__image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.case-card:hover .case-card__image img { transform: scale(1.05); }
.case-card__rating {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.95);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange);
}
.case-card__body { padding: 20px 24px; }
.case-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.case-card__route {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.case-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== 新闻卡片 ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-orange); }
.news-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.news-card:hover .news-card__image img { transform: scale(1.05); }
.news-card__date {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--orange);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.news-card__body { padding: 20px 24px; }
.news-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 首页新闻 — 左图右文 ===== */
.news-list-lg { display: flex; flex-direction: column; gap: 20px; }
.news-item-lg {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}
.news-item-lg:hover { border-color: var(--border-orange); box-shadow: var(--shadow-md); }
.news-item-lg__image {
  width: 240px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.news-item-lg__image img { width: 100%; height: 100%; object-fit: cover; }
.news-item-lg__body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.news-item-lg__date { font-size: 0.8rem; color: var(--orange); font-weight: 600; margin-bottom: 4px; }
.news-item-lg__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; color: var(--text-primary); }
.news-item-lg__desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.5; }

/* ===== CTA 区块 ===== */
.cta-section {
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  padding: 80px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: ctaBg 20s linear infinite;
}
@keyframes ctaBg {
  0% { transform: translate(0, 0); }
  100% { transform: translate(40px, 40px); }
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.cta-section p { margin-bottom: 28px; opacity: 0.9; font-size: 1.05rem; }

/* ===== 页脚 ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 60px 0 0;
}
.footer__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer__brand-desc {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--gray-400);
  margin: 12px 0 16px;
}
.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}
.footer__social a:hover { background: var(--orange); color: #fff; }
.footer__col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer__col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
}
.footer__links a {
  display: block;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: all var(--transition-fast);
}
.footer__links a:hover { color: var(--orange); padding-left: 4px; }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.88rem;
  color: var(--gray-400);
}
.footer__contact-item i { color: var(--orange); margin-top: 4px; flex-shrink: 0; }
.footer__qrcode {
  width: 100px;
  height: 100px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--gray-500);
  text-align: center;
  line-height: 1.4;
}
.footer__bottom {
  margin-top: 48px;
  padding: 20px var(--container-padding);
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-500);
}
.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom a { color: var(--gray-500); transition: color var(--transition-fast); }
.footer__bottom a:hover { color: var(--orange); }

/* 友情链接 */
.friend-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 0;
}
.friend-links__label { color: #fff; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }
.friend-links a {
  font-size: 0.82rem;
  color: var(--gray-500);
  transition: color var(--transition-fast);
}
.friend-links a:hover { color: var(--orange); }

/* ===== 列表页布局 ===== */
.page-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 48px var(--container-padding);
}

/* 侧边栏 */
.sidebar { flex-shrink: 0; }
.sidebar__title {
  background: var(--orange);
  color: #fff;
  padding: 20px 24px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  font-size: 1.15rem;
  font-weight: 700;
}
.sidebar__title p { font-size: 0.7rem; opacity: 0.8; margin-top: 4px; font-weight: 400; text-transform: uppercase; letter-spacing: 0.08em; }
.sidebar__nav {
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
}
.sidebar__nav a {
  display: block;
  padding: 14px 24px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  position: relative;
}
.sidebar__nav a:last-child { border-bottom: none; }
.sidebar__nav a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
  transform: scaleY(0);
  transition: transform var(--transition-base);
}
.sidebar__nav a:hover, .sidebar__nav a.active {
  color: var(--orange);
  background: var(--orange-light);
  font-weight: 600;
}
.sidebar__nav a:hover::before, .sidebar__nav a.active::before { transform: scaleY(1); }

/* 列表内容区 */
.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.list-header__title { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); }

/* 产品/服务列表网格 */
.product-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-orange); }
.product-card__image {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
}
.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card__image img { transform: scale(1.05); }
.product-card__body { padding: 24px; }
.product-card__title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.product-card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.product-card__meta i { color: var(--orange); font-size: 0.75rem; }
.product-card__desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

/* 详情页 */
.detail-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 48px var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.detail__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}
.detail__image img { width: 100%; height: 100%; object-fit: cover; }
.detail__info { display: flex; flex-direction: column; justify-content: center; }
.detail__title { font-size: 1.75rem; font-weight: 800; margin-bottom: 16px; color: var(--text-primary); }
.detail__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.detail__spec {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--orange-light);
  border-radius: var(--radius-sm);
}
.detail__spec i { color: var(--orange); font-size: 1.1rem; margin-top: 2px; }
.detail__spec-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.detail__spec-value { font-weight: 700; color: var(--text-primary); font-size: 0.95rem; }
.detail__body {
  margin-top: 24px;
  line-height: 1.8;
  color: var(--text-secondary);
}
.detail__body img { border-radius: var(--radius-md); margin: 20px 0; }
.detail__body h3 { font-size: 1.2rem; font-weight: 700; margin: 28px 0 12px; color: var(--text-primary); }
.detail__body p { margin-bottom: 12px; }

/* 详情页全宽布局（新闻/案例） */
.detail-full {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px var(--container-padding);
}
.detail-full__header { margin-bottom: 32px; text-align: center; }
.detail-full__title { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.detail-full__meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.detail-full__meta span { display: flex; align-items: center; gap: 4px; }
.detail-full__meta i { color: var(--orange); }

/* 表单页面 */
.form-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 48px var(--container-padding);
}
.form-card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  border: 1px solid var(--border-subtle);
}
.form-card__title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 8px; }
.form-card__subtitle { font-size: 0.9rem; color: var(--text-muted); text-align: center; margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  background: var(--gray-50);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249,115,22,0.1);
  background: #fff;
}

/* 搜索框 */
.search-box { display: flex; gap: 0; margin-bottom: 32px; }
.search-box input {
  flex: 1;
  padding: 16px 20px;
  border: 2px solid var(--border-default);
  border-right: none;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  font-size: 1rem;
}
.search-box input:focus { outline: none; border-color: var(--orange); }
.search-box button {
  padding: 16px 32px;
  background: var(--orange);
  color: #fff;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  font-size: 1rem;
  font-weight: 700;
  transition: background var(--transition-fast);
}
.search-box button:hover { background: var(--orange-hover); }

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.pagination a:hover, .pagination a.active {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}
.pagination .no-data {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 20px;
}

/* ===== 返回顶部 ===== */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--shadow-orange);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
}
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--orange-hover); transform: translateY(-3px); }

/* ===== 在线客服 ===== */
.online-service {
  position: fixed;
  bottom: 92px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  animation: servicePulse 2.5s ease infinite;
}
.online-service:hover { transform: scale(1.1); }
@keyframes servicePulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,99,235,0.35); }
  50% { box-shadow: 0 4px 36px rgba(37,99,235,0.55); }
}

/* ===== 选项卡 ===== */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border-subtle); margin-bottom: 32px; }
.tab-btn {
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--orange); border-bottom-color: var(--orange); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== 占位与空状态 ===== */
.no-data {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card + .stat-card::before { display: none; }
  .stat-card:nth-child(odd)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
  }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; gap: 32px; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .product-list-grid { grid-template-columns: 1fr 1fr; }
  .tracking-steps { grid-template-columns: repeat(2, 1fr); }
  .tracking-steps::before { display: none; }
  .quote-form { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --container-padding: 16px; }
  .section { padding: 56px 0; }
  .hero { height: 75vh; min-height: 480px; max-height: 600px; }
  .hero__title { font-size: clamp(1.75rem, 6vw, 2.5rem); }

  .service-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .product-list-grid { grid-template-columns: 1fr; }

  .news-item-lg { flex-direction: column; }
  .news-item-lg__image { width: 100%; aspect-ratio: 16/9; }
  .detail__specs { grid-template-columns: 1fr; }

  .footer__bottom-inner { flex-direction: column; text-align: center; }
  .form-card { padding: 28px 20px; }

  .cta-section { padding: 56px 0; }
  .quote-card { padding: 28px 20px; }
  .inner-banner { height: 220px; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-card { padding: 28px 16px; }
  .pagination a { min-width: 36px; height: 36px; font-size: 0.82rem; }
}

/* ===== AOS 微调 ===== */
[data-aos] { transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); }

/* ===== 懒加载图片 ===== */
img[data-src] { opacity: 0; transition: opacity var(--transition-base); }
img[data-src].loaded { opacity: 1; }

/* ===== 数字滚动动画辅助 ===== */
.countup { display: inline-block; }

/* Mobile refinements: preserve desktop layout and all CMS content. */
@media (max-width:1024px) {
 body { overflow-x:visible; }
 .header { z-index:106; }
 .mobile-nav { right:0; transform:translateX(100%); visibility:hidden; max-width:calc(100% - 48px); height:100dvh; padding-top:72px; transition:transform .3s,visibility .3s; }
 .mobile-nav.active { transform:translateX(0); visibility:visible; }
 .hamburger { position:relative; z-index:106; }
 .mobile-nav__sub { display:none; }
 .mobile-nav__sub.open { display:block; max-height:none; }
 .header__logo { min-width:0; }
 .header__logo-text { min-width:0; }
 .header__logo-name { overflow-wrap:anywhere; }
 .container > [style*="grid-template-columns:1fr 1fr"] { grid-template-columns:minmax(0,1fr)!important; gap:24px!important; }
 .container > [style*="grid-template-columns:repeat(4,1fr)"] { grid-template-columns:repeat(2,minmax(0,1fr))!important; gap:12px!important; }
 .container *, .footer__grid > *, .quote-form > *, .form-group > * { min-width:0; }
 .detail__body { overflow-wrap:anywhere; }
 .detail__body img,.detail__body iframe,.detail__body video { max-width:100%; height:auto; }
 .detail__body table { display:block; max-width:100%; overflow-x:auto; }
 .tabs { flex-wrap:wrap; }
 .search-box input { min-width:0; }
 .footer__contact-item { overflow-wrap:anywhere; }
}
@media (max-width:768px) {
 :root { --container-padding:16px; }
 .header__inner { gap:12px; }
 .header__logo-icon { width:36px; height:36px; font-size:18px; flex-shrink:0; }
 .header__logo-name { font-size:14px; }
 .header__logo-sub { font-size:9px; letter-spacing:.03em; }
 .hamburger { flex-shrink:0; }
 .section { padding:32px 0; }
 .section > .container > [style*="margin-bottom:40px"], .section > .container > [style*="margin-bottom:48px"] { margin-bottom:22px!important; }
 .section-title { font-size:24px; margin-bottom:10px; }
 .section-subtitle { font-size:14px; }
 .hero { height:460px; min-height:400px; max-height:540px; }
 .hero__content { padding-left:16px; padding-right:16px; }
 .hero__subtitle { font-size:15px; }
 .hero__scroll { display:none; }
 .hero__actions { flex-direction:row; justify-content:center; gap:10px; }
 .hero__actions .btn { width:auto; padding:12px 18px; font-size:14px; }
 .stats-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .stat-card { padding:20px 10px; }
 .stat-card__number { font-size:30px; }
 .service-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
 .service-card { padding:18px 12px; overflow-wrap:anywhere; }
 .service-card__icon { width:44px; height:44px; font-size:23px; margin-bottom:12px; }
 .service-card__title { font-size:16px; margin-bottom:6px; }
 .service-card__desc { font-size:13px; }
 .quote-card,.form-card { padding:22px 16px; }
 .quote-form { grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 10px; }
 .quote-form input,.quote-form select { padding:12px 8px; font-size:14px; }
 .quote-form .btn { padding:12px 16px; font-size:15px; }
 .gallery-swiper .swiper-slide { width:280px!important; max-width:calc(100vw - 40px); }
 .tracking-steps { gap:20px 12px; }
 .tracking-step__dot { width:48px; height:48px; font-size:20px; margin-bottom:12px; }
 .case-grid { gap:16px; }
 .case-card__image { aspect-ratio:16/8; }
 .case-card__body { padding:16px; }
 .news-list-lg { gap:14px; }
 .news-item-lg { flex-direction:row; align-items:flex-start; gap:12px; padding:12px; }
 .news-item-lg__image { width:90px; flex:0 0 90px; aspect-ratio:1; }
 .news-item-lg__body { min-width:0; }
 .news-item-lg__title { font-size:15px; line-height:1.5; }
 .news-item-lg__desc { font-size:13px; }
 .cta-section { padding:34px 0; }
 .cta-section__title { font-size:28px; }
 .cta-section .btn { padding:12px 18px; font-size:14px; }
 .footer { padding-top:32px; }
 .footer__grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px 16px; padding-bottom:24px; }
 .footer__grid > :first-child,.footer__grid > :nth-child(3) { grid-column:1/-1; }
 .footer__grid > :nth-child(2) { grid-row:3; }
 .footer__grid > :nth-child(4) { grid-row:3; }
 .footer__brand-desc { max-width:none; margin-bottom:12px; }
 .footer__links { gap:8px; }
 .footer__col-title { margin-bottom:12px; }
 .footer__contact-item { margin-bottom:8px; }
 .footer__bottom-inner { gap:10px; }
 .inner-banner { height:180px; }
 .inner-banner__title { font-size:27px; }
 .breadcrumb { flex-wrap:wrap; overflow-wrap:anywhere; }
 .page-layout,.detail-layout,.detail-full,.form-page { padding-top:28px; padding-bottom:28px; }
 .detail-full__title,.detail__title { font-size:24px; }
 .detail-full__meta { gap:10px; }
 .detail__specs { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
 .detail__spec { padding:10px; }
 .tab-btn { padding:12px 14px; }
 .online-service { width:42px; height:42px; right:12px; bottom:72px; font-size:20px; }
 .back-top { width:40px; height:40px; right:13px; bottom:20px; }
}