/**
 * 鲜萃饮品 — 饮料加工企业官网样式
 * 设计方向：活力色彩 + 杂志排版 + 大圆角年轻感
 * 纯白基底 + 品牌色彩(蓝/橙/绿/粉) + 金银点缀
 * 纯原生 CSS，无框架依赖
 */

/* 现代中文字体 */


/* ============================================================
   CSS 变量体系
   ============================================================ */
:root {
  /* 基底色 */
  --white: #FFFFFF;
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-warm: #FFFBEB;
  --bg-cool: #EFF6FF;
  --bg-green: #ECFDF5;

  /* 品牌色彩 */
  --brand-blue: #2563EB;
  --brand-blue-light: #DBEAFE;
  --brand-orange: #F97316;
  --brand-orange-light: #FFF7ED;
  --brand-green: #10B981;
  --brand-green-light: #D1FAE5;
  --brand-pink: #EC4899;
  --brand-pink-light: #FCE7F3;
  --brand-gold: #F59E0B;
  --brand-gold-light: #FEF3C7;

  /* 渐变 */
  --gradient-vibrant: linear-gradient(135deg, #F97316, #EC4899, #2563EB);
  --gradient-fresh: linear-gradient(135deg, #10B981, #2563EB);
  --gradient-warm: linear-gradient(135deg, #F97316, #F59E0B);
  --gradient-cool: linear-gradient(135deg, #2563EB, #8B5CF6);

  /* 文字色阶 */
  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-white: #FFFFFF;

  /* 边框 & 分割线 */
  --border-light: #E2E8F0;
  --border-medium: #CBD5E1;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-blue: 0 4px 20px rgba(37, 99, 235, 0.15);
  --shadow-orange: 0 4px 20px rgba(249, 115, 22, 0.15);

  /* 圆角 — 大圆角年轻感 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 50px;

  /* 间距 */
  --section-gap: 100px;
  --container-max: 1200px;
  --header-height: 76px;

  /* 字体 */
  --font-system: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-heading: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 过渡 */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-normal: 300ms var(--ease-smooth);
  --transition-slow: 500ms var(--ease-smooth);
}

/* ============================================================
   基础重置 & 全局样式
   ============================================================ */
*, *::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-system);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-page);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
ul, ol { list-style: none; }

/* ============================================================
   排版
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; }

/* ============================================================
   容器 & 区块
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-gap) 0;
  position: relative;
}

.section--sm { padding: 60px 0; }
.section--white { background: var(--white); }
.section--cool { background: var(--bg-cool); }
.section--warm { background: var(--bg-warm); }
.section--green { background: var(--bg-green); }

/* 区块标签 */
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-tag--blue { background: var(--brand-blue-light); color: var(--brand-blue); }
.section-tag--orange { background: var(--brand-orange-light); color: var(--brand-orange); }
.section-tag--green { background: var(--brand-green-light); color: var(--brand-green); }
.section-tag--pink { background: var(--brand-pink-light); color: var(--brand-pink); }

/* 区块标题 */
.section-title {
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

/* ============================================================
   Header & 导航
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow var(--transition-normal);
  height: var(--header-height);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-vibrant);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.header__logo-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.header__logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* PC导航 */
.header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--brand-orange);
  background: var(--brand-orange-light);
}

/* 导航下拉 */
.header__nav-item {
  position: relative;
}

.header__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 60;
  border: 1px solid var(--border-light);
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header__dropdown a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.header__dropdown a:hover {
  background: var(--brand-orange-light);
  color: var(--brand-orange);
}

/* 右侧操作区 */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--brand-orange);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.header__cta:hover {
  background: #EA580C;
  transform: translateY(-1px);
  box-shadow: var(--shadow-orange);
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: 105;
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav__inner {
  padding: 24px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav__link:hover {
  background: var(--brand-orange-light);
  color: var(--brand-orange);
}

.mobile-nav__sub {
  padding-left: 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.mobile-nav__sub.open {
  max-height: 400px;
}

.mobile-nav__sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
}

.mobile-nav__sub a:hover {
  color: var(--brand-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-normal);
}

.mobile-nav__overlay.active {
  opacity: 1;
  visibility: visible;
}

/* 搜索按钮 */
.header__search {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: var(--white);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.header__search:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}

/* ============================================================
   Hero Banner 区
   ============================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 800px;
  overflow: hidden;
  margin-top: var(--header-height);
}

.hero-swiper {
  width: 100%;
  height: 100%;
}

.hero__slide {
  position: relative;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.45) 50%, rgba(0,0,0,0.6) 100%);
  z-index: 1;
}

.hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: white;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  animation: heroFadeInUp 0.8s var(--ease-smooth);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  max-width: 600px;
  animation: heroFadeInUp 0.8s var(--ease-smooth) 0.15s both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  animation: heroFadeInUp 0.8s var(--ease-smooth) 0.3s both;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.5);
}

.hero-pagination {
  position: absolute;
  bottom: 120px;
  z-index: 2;
}

.hero-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255,255,255,0.5);
  opacity: 1;
  transition: all var(--transition-fast);
}

.hero-pagination .swiper-pagination-bullet-active {
  background: var(--brand-orange);
  width: 28px;
  border-radius: 5px;
}

@keyframes heroFadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
  line-height: 1.4;
}

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

.btn--primary:hover {
  background: #EA580C;
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.btn--outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: white;
  transform: translateY(-2px);
}

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

.btn--blue:hover {
  background: #1D4ED8;
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}

.btn--ghost {
  background: transparent;
  color: var(--brand-orange);
  border: 2px solid var(--brand-orange);
}

.btn--ghost:hover {
  background: var(--brand-orange);
  color: white;
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background: #F8FAFC;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn--sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ============================================================
   卡片系统 — 纯白卡片 + 彩色边框/色块
   ============================================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

/* 彩色顶部边框变体 */
.card--blue { border-top: 4px solid var(--brand-blue); }
.card--orange { border-top: 4px solid var(--brand-orange); }
.card--green { border-top: 4px solid var(--brand-green); }
.card--pink { border-top: 4px solid var(--brand-pink); }
.card--gold { border-top: 4px solid var(--brand-gold); }

/* 彩色左侧色块变体 */
.card--accent-left {
  border-left: 5px solid var(--brand-orange);
  border-top: 1px solid var(--border-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.card__image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #F1F5F9;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.06);
}

.card__image .card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  z-index: 1;
}

.card__tag--blue { background: var(--brand-blue); }
.card__tag--orange { background: var(--brand-orange); }
.card__tag--green { background: var(--brand-green); }
.card__tag--pink { background: var(--brand-pink); }

.card__body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: auto;
}

.card__meta i {
  color: var(--brand-orange);
  margin-right: 4px;
}

.card__footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================================
   网格布局
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

/* 杂志式错落网格 */
.grid-magazine {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
}

.grid-magazine--reverse {
  grid-template-columns: 1fr 1.5fr;
}

/* ============================================================
   Feature 卡片 (带图标)
   ============================================================ */
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

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

.feature-card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1);
}

.feature-card__icon--blue { background: var(--brand-blue-light); color: var(--brand-blue); }
.feature-card__icon--orange { background: var(--brand-orange-light); color: var(--brand-orange); }
.feature-card__icon--green { background: var(--brand-green-light); color: var(--brand-green); }
.feature-card__icon--pink { background: var(--brand-pink-light); color: var(--brand-pink); }

.feature-card__title {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================================
   数据统计区
   ============================================================ */
.stats-section {
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-vibrant);
  opacity: 0.04;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item__number {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--brand-orange);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item__number span {
  background: var(--gradient-vibrant);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item__label {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.stat-item__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

/* ============================================================
   彩色分类卡片 (5列产品分类)
   ============================================================ */
.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  transition: height var(--transition-normal);
}

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

.category-card:hover::before {
  height: 100%;
  opacity: 0.06;
}

.category-card:nth-child(1)::before { background: var(--brand-blue); }
.category-card:nth-child(2)::before { background: var(--brand-orange); }
.category-card:nth-child(3)::before { background: var(--brand-green); }
.category-card:nth-child(4)::before { background: var(--brand-pink); }
.category-card:nth-child(5)::before { background: var(--brand-gold); }

.category-card__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
  position: relative;
  z-index: 1;
}

.category-card:nth-child(1) .category-card__icon { background: var(--brand-blue-light); color: var(--brand-blue); }
.category-card:nth-child(2) .category-card__icon { background: var(--brand-orange-light); color: var(--brand-orange); }
.category-card:nth-child(3) .category-card__icon { background: var(--brand-green-light); color: var(--brand-green); }
.category-card:nth-child(4) .category-card__icon { background: var(--brand-pink-light); color: var(--brand-pink); }
.category-card:nth-child(5) .category-card__icon { background: var(--brand-gold-light); color: var(--brand-gold); }

.category-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  position: relative;
  z-index: 1;
}

.category-card__desc {
  color: var(--text-muted);
  font-size: 0.82rem;
  position: relative;
  z-index: 1;
}

/* ============================================================
   CTA 区块
   ============================================================ */
.cta-section {
  padding: 100px 0;
  position: relative;
  text-align: center;
  background: var(--gradient-vibrant);
  color: white;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 0%, transparent 60%);
}

.cta-section__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
  position: relative;
}

.cta-section__desc {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* 彩色装饰圆圈 */
.cta-section__deco {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  pointer-events: none;
}

.cta-section__deco--1 {
  width: 300px;
  height: 300px;
  background: white;
  top: -80px;
  right: -60px;
}

.cta-section__deco--2 {
  width: 200px;
  height: 200px;
  background: var(--brand-gold);
  bottom: -40px;
  left: -40px;
}

/* ============================================================
   杂志式图文布局
   ============================================================ */
.media-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.media-block--image-right {
  direction: rtl;
}

.media-block--image-right > * {
  direction: ltr;
}

.media-block__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

/* 图片装饰色块 */
.media-block__image::after {
  content: '';
  position: absolute;
  bottom: -16px;
  right: -16px;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-lg);
  z-index: -1;
}

.media-block:nth-child(odd) .media-block__image::after { background: var(--brand-blue-light); }
.media-block:nth-child(even) .media-block__image::after { background: var(--brand-orange-light); }

.media-block__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.media-block__text p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   内页 Banner
   ============================================================ */
.inner-banner {
  position: relative;
  height: 320px;
  overflow: hidden;
  margin-top: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
}

.inner-banner__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.inner-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.5) 100%);
}

.inner-banner__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
}

.inner-banner__title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: white;
  margin-bottom: 10px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.inner-banner__subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
}

.breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--brand-orange); }
.breadcrumb .fa-solid { font-size: 0.6rem; margin: 0 6px; }

/* ============================================================
   产品列表页
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-orange);
}

.product-card__image {
  aspect-ratio: 1/1;
  overflow: hidden;
  background: #F8FAFC;
  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(1.08);
}

.product-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  color: white;
  background: var(--brand-orange);
}

.product-card__body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-card__name {
  font-size: 1.1rem;
  font-weight: 700;
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.product-card__specs span {
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-page);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

/* ============================================================
   产品详情页
   ============================================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.product-detail__gallery {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #F8FAFC;
}

.product-detail__gallery .swiper-slide {
  aspect-ratio: 1/1;
}

.product-detail__gallery .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 画廊分页器 */
.product-detail__gallery .swiper-pagination-bullet {
  width: 8px; height: 8px;
  background: var(--border-medium);
  opacity: 1;
}
.product-detail__gallery .swiper-pagination-bullet-active {
  background: var(--brand-orange);
  width: 24px;
  border-radius: 4px;
}

.product-detail__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-detail__name {
  font-size: 2rem;
  font-weight: 800;
}

.product-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  border: 1px solid var(--brand-gold-light);
}

.product-detail__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-detail__meta-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.product-detail__meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* 产品详情Tab切换 */
.product-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.product-tabs__btn {
  padding: 12px 24px;
  border: none;
  background: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
}

.product-tabs__btn:hover { color: var(--text-primary); }

.product-tabs__btn.active {
  color: var(--brand-orange);
  border-bottom-color: var(--brand-orange);
}

.product-tab-content { display: none; }
.product-tab-content.active { display: block; }
.product-tab-content p { color: var(--text-secondary); line-height: 1.9; margin-bottom: 12px; }

/* ============================================================
   新闻列表
   ============================================================ */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand-blue);
}

.news-item__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #F1F5F9;
}

.news-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-item:hover .news-item__image img {
  transform: scale(1.06);
}

.news-item__body {
  padding: 24px 24px 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.news-item__date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.news-item__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.news-item__title:hover { color: var(--brand-orange); }

.news-item__desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   案例网格
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.case-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.case-card__image {
  width: 100%;
  height: 100%;
}

.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(1.06);
}

.case-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  transition: background var(--transition-normal);
}

.case-card:hover .case-card__overlay {
  background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.25) 50%, transparent 100%);
}

.case-card__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 6px;
}

.case-card__subtitle {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   案例详情
   ============================================================ */
.case-detail__hero {
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 40px;
  aspect-ratio: 16/9;
}

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

.case-detail__body {
  max-width: 800px;
  margin: 0 auto;
  line-height: 2;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ============================================================
   详情页正文
   ============================================================ */
.detail__body {
  line-height: 2;
  color: var(--text-secondary);
  font-size: 1rem;
}

.detail__body h2 { font-size: 1.5rem; margin: 32px 0 16px; color: var(--text-primary); }
.detail__body h3 { font-size: 1.2rem; margin: 24px 0 12px; color: var(--text-primary); }
.detail__body p { margin-bottom: 16px; }
.detail__body img { border-radius: var(--radius-md); margin: 20px 0; }

/* 上一页/下一页 */
.prev-next {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}

.prev-next a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.prev-next a:hover { color: var(--brand-orange); }

/* ============================================================
   联系我们页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 12px;
  transition: all var(--transition-fast);
}

.contact-info__item:hover {
  border-color: var(--brand-orange);
  box-shadow: var(--shadow-sm);
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--brand-orange-light);
  color: var(--brand-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info__label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   表单系统
   ============================================================ */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group .required {
  color: #EF4444;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-system);
  color: var(--text-primary);
  background: var(--white);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--brand-orange);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%2394A3B8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ============================================================
   样品申请页 - 特色表单
   ============================================================ */
.sample-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.sample-page__intro {
  background: var(--gradient-vibrant);
  color: white;
  padding: 48px 36px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
  overflow: hidden;
}

.sample-page__intro::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.1) 0%, transparent 60%);
}

.sample-page__intro > * { position: relative; }

.sample-page__intro h2 { color: white; font-size: 2rem; }

.sample-page__intro ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sample-page__intro li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  opacity: 0.9;
}

.sample-page__intro li i { color: var(--brand-gold); }

.sample-form-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

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

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border-light);
  background: var(--white);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
  background: var(--brand-orange-light);
}

.pagination .active {
  background: var(--brand-orange);
  color: white;
  border-color: var(--brand-orange);
}

.no-data {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 1rem;
}

/* ============================================================
   搜索页
   ============================================================ */
.search-header {
  padding: 40px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 48px;
}

.search-header__title {
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.search-header__keyword {
  color: var(--brand-orange);
}

.search-form {
  display: flex;
  max-width: 560px;
  margin: 0 auto;
  gap: 0;
}

.search-form input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--border-medium);
  border-right: none;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-form input:focus {
  border-color: var(--brand-orange);
}

.search-form button {
  padding: 14px 28px;
  border: none;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  background: var(--brand-orange);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-form button:hover {
  background: #EA580C;
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.search-result__item {
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.search-result__item:hover {
  border-color: var(--brand-orange);
  box-shadow: var(--shadow-sm);
}

.search-result__item h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.search-result__item h3:hover { color: var(--brand-orange); }

.search-result__item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ============================================================
   灌装工艺 / 包装定制 单页
   ============================================================ */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-flow::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-green), var(--brand-orange), var(--brand-pink));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  font-weight: 800;
  color: white;
}

.process-step:nth-child(1) .process-step__number { background: var(--brand-blue); }
.process-step:nth-child(2) .process-step__number { background: var(--brand-green); }
.process-step:nth-child(3) .process-step__number { background: var(--brand-orange); }
.process-step:nth-child(4) .process-step__number { background: var(--brand-pink); }

.process-step__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process-step__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 包装展示网格 */
.packaging-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.packaging-item {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.packaging-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.packaging-item__image {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #F8FAFC;
}

.packaging-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.packaging-item:hover .packaging-item__image img {
  transform: scale(1.05);
}

.packaging-item__body {
  padding: 20px;
}

.packaging-item__title {
  font-size: 1.05rem;
  font-weight: 700;
}

/* ============================================================
   在线客服按钮
   ============================================================ */
.online-service {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.online-service__btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--brand-orange);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
}

.online-service__btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-orange);
}

.online-service__btn--phone { background: var(--brand-green); }
.online-service__btn--wechat { background: var(--brand-blue); }

/* 客服弹出框 */
.online-service__tooltip {
  position: absolute;
  right: 64px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--white);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
}

.online-service__btn:hover .online-service__tooltip {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   返回顶部
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 90;
}

.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--brand-orange);
  color: white;
  border-color: var(--brand-orange);
  box-shadow: var(--shadow-orange);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #1E293B;
  color: #CBD5E1;
  padding: 72px 0 0;
}

.footer__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1.2fr;
  gap: 40px;
}

.footer__brand-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 20px;
  opacity: 0.7;
  margin-top: 14px;
}

.footer__col-title {
  color: white;
  font-size: 1rem;
  margin-bottom: 20px;
  font-weight: 700;
}

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

.footer__links a {
  font-size: 0.9rem;
  opacity: 0.7;
  transition: all var(--transition-fast);
}

.footer__links a:hover {
  opacity: 1;
  color: var(--brand-orange);
}

.footer__contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  font-size: 0.88rem;
  opacity: 0.7;
}

.footer__contact-item i {
  margin-top: 4px;
  color: var(--brand-orange);
}

.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;
  text-align: center;
  line-height: 1.5;
}

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.footer__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--brand-orange);
  color: white;
}

/* 友情链接 */
.friend-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 16px;
}

.friend-links__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
}

.friend-links a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.friend-links a:hover { color: var(--brand-orange); }

/* 底部版权 */
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer__bottom-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  opacity: 0.5;
}

.footer__bottom-inner a {
  color: inherit;
}

.footer__bottom-inner a:hover {
  opacity: 0.8;
}

/* ============================================================
   品牌logo滚动条 (合作品牌)
   ============================================================ */
.brand-strip {
  padding: 48px 0;
  overflow: hidden;
  background: var(--white);
}

.brand-strip__title {
  text-align: center;
  margin-bottom: 32px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.brand-strip__track {
  display: flex;
  gap: 48px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.brand-strip__track a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 24px;
  background: var(--bg-page);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  min-width: 120px;
}

.brand-strip__track a:hover {
  color: var(--brand-orange);
  background: var(--brand-orange-light);
  transform: translateY(-2px);
}

/* ============================================================
   动画增强 (配合AOS)
   ============================================================ */
[data-aos] {
  transition-timing-function: var(--ease-smooth);
}

/* 悬浮动画 */
.float-element {
  animation: float 3s ease-in-out infinite;
}

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

/* 脉冲 */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* 渐显 */
.fade-in-up {
  animation: fadeInUp 0.6s var(--ease-smooth) both;
}

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

/* 彩色渐变文字 */
.text-gradient {
  background: var(--gradient-vibrant);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   响应式 — 768px 断点
   ============================================================ */
@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
  .process-flow::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .packaging-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; gap: 36px; }
  .product-detail__gallery { position: static; }
  .sample-page { grid-template-columns: 1fr; }
  .sample-page__intro { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .media-block { grid-template-columns: 1fr; gap: 36px; }
  .media-block--image-right { direction: ltr; }
  .grid-magazine, .grid-magazine--reverse { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 64px;
    --header-height: 64px;
  }

  .container { padding: 0 16px; }

  /* 移动端导航 */
  .header__nav { display: none; }
  .header__cta { display: none; }
  .header__search { display: none; }
  .hamburger { display: flex; }

  /* Hero */
  .hero {
    height: 80vh;
    min-height: 500px;
    max-height: 600px;
    margin-top: var(--header-height);
  }

  /* 网格 */
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: 1fr; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .process-flow { grid-template-columns: 1fr; gap: 16px; }
  .product-grid { grid-template-columns: 1fr; }
  .packaging-grid { grid-template-columns: 1fr; }

  /* 新闻列表 */
  .news-item { grid-template-columns: 1fr; }
  .news-item__body { padding: 16px; }

  /* Footer */
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }

  /* 内页Banner */
  .inner-banner { height: 220px; }

  /* 服务按钮 */
  .online-service { bottom: 80px; right: 16px; }
  .online-service__btn { width: 44px; height: 44px; font-size: 1.1rem; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
  .cta-section { padding: 64px 0; }
  .hero-pagination { bottom: 100px; }
}

/* ============================================================
   打印 & 减少动画
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .header, .footer, .online-service, .back-top, .mobile-nav, .mobile-nav__overlay {
    display: none !important;
  }
}

/* July 17: mobile density adjustments for the existing beverage catalogue. */
@media(max-width:768px){
 :root{--section-gap:32px}.hero{height:390px;min-height:390px;max-height:390px}.hero__title{font-size:31px;line-height:1.35}.hero__subtitle{font-size:14px;line-height:1.7}.hero__content{padding:0 20px}.hero__actions{flex-direction:row;justify-content:center;gap:10px;flex-wrap:wrap}.hero__actions .btn{font-size:13px;padding:12px 17px}.hero__scroll{display:none}.hero-pagination.swiper-pagination-horizontal{bottom:20px;left:0;width:100%;transform:none;display:flex;justify-content:center}
 [data-aos]{opacity:1!important;transform:none!important;transition:none!important}.section-header{margin-bottom:22px}.section-title{font-size:25px;line-height:1.4}.section-subtitle{font-size:13px;line-height:1.7}.section-tag{font-size:10px;padding:5px 10px}.section [style*="margin-bottom:48px"]{margin-bottom:22px!important;gap:10px!important}.section [style*="margin-top:36px"]{margin-top:20px!important}
 .stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.stat-item{padding:12px 0}.stat-item__icon{font-size:22px;margin-bottom:8px}.stat-item__number{font-size:25px;line-height:1.2;white-space:nowrap}.stat-item__number>span:last-child:not(.countup){font-size:11px}.stat-item__label{font-size:11px;line-height:1.6}
 .grid-5{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.category-card{padding:16px 8px}.category-card__icon{width:36px;height:36px;font-size:18px;margin-bottom:10px}.category-card__name{font-size:14px}.category-card__desc{font-size:11px;line-height:1.5}
 .grid-4,.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card{min-width:0;border-radius:12px}.card__image{aspect-ratio:4/3}.card__body{padding:12px;gap:7px}.card__title{font-size:15px;line-height:1.5;display:block;-webkit-line-clamp:unset;overflow:visible}.card__desc{font-size:12px;line-height:1.7}.card__meta{font-size:11px;gap:7px;flex-wrap:wrap;overflow-wrap:anywhere}.card__image .card__tag{font-size:10px;padding:3px 6px;top:8px;left:8px}
 .media-block{gap:18px}.media-block__image{max-height:205px;aspect-ratio:16/9}.media-block__image img{height:100%;object-fit:cover}.media-block__text{gap:12px}.media-block__text p{font-size:13px;line-height:1.8}.media-block--image-right .media-block__image{order:-1}.media-block__image::after{display:none}
 .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.case-card{aspect-ratio:auto;background:var(--white);border:1px solid var(--border-light);border-radius:12px}.case-card__image{height:auto;aspect-ratio:4/3}.case-card__overlay{position:static;background:none!important;padding:12px}.case-card__title{color:var(--text-primary);font-size:14px;line-height:1.5}.case-card__subtitle{color:var(--text-secondary);font-size:12px;line-height:1.6}
 .news-list{gap:14px}.news-item{grid-template-columns:90px minmax(0,1fr);align-items:start;gap:12px;padding:12px}.news-item__image{height:100px;aspect-ratio:auto}.news-item__body{padding:0;min-width:0}.news-item__date{font-size:11px}.news-item__title{font-size:15px;line-height:1.5;margin:7px 0}.news-item__desc{font-size:12px;line-height:1.7}
 .cta-section{padding:32px 0}.cta-section__title{font-size:27px}.cta-section__desc{font-size:13px;line-height:1.7;margin-bottom:20px}.cta-section .btn{padding:12px 16px;font-size:12px}.brand-strip{padding:24px 0}.brand-strip__track{gap:8px;padding:0 16px}.brand-strip__track a{min-width:0;min-height:44px;padding:8px 12px;font-size:11px}
 .footer{padding-top:30px}.footer__grid{grid-template-columns:minmax(0,1fr) 100px;gap:20px 12px;padding:0 16px 24px}.footer__grid>div{min-width:0}.footer__grid>div:nth-child(-n+2){grid-column:1/-1}.footer__brand-desc{font-size:12px;margin:10px 0}.footer__col-title{font-size:14px;margin-bottom:10px}.footer__links{flex-direction:row;flex-wrap:wrap;gap:0 16px}.footer__links a{min-height:44px;display:flex;align-items:center;font-size:12px}.footer__contact-item{font-size:12px;gap:6px;overflow-wrap:anywhere}.footer__contact-item i{flex-shrink:0}.footer__bottom-inner{flex-direction:column;text-align:center;font-size:11px;overflow-wrap:anywhere}
 .inner-banner{height:155px!important}.inner-banner__title{font-size:26px}.inner-banner__subtitle{font-size:12px}.breadcrumb{font-size:11px;flex-wrap:wrap}.product-detail{gap:22px}.product-detail__info{min-width:0}.product-detail__title{font-size:24px}.detail__body,.content-body,.about-content{font-size:14px;overflow-wrap:anywhere}.detail__body img,.content-body img{max-width:100%!important;height:auto!important}.detail__body table,.content-body table{display:block;max-width:100%;overflow:auto}.process-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.process-step{padding:16px 12px}.packaging-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.contact-grid,.sample-page{gap:24px}.contact-form,.sample-form{padding:18px}.form-group{min-width:0}.form-control{min-width:0;max-width:100%;font-size:16px}form [style*="grid-template-columns"]{grid-template-columns:minmax(0,1fr)!important;gap:0!important}.form-group>[style*="display:flex"]{flex-wrap:wrap}.pagination{flex-wrap:wrap}.pagination a{min-width:44px;min-height:44px}
 .header:has(.hamburger.active){z-index:110}.mobile-nav{top:var(--header-height);height:calc(100dvh - var(--header-height));width:calc(100vw - 44px);max-width:340px;right:-110vw}.mobile-nav:not(.active){visibility:hidden}.mobile-nav.active{right:0}.mobile-nav__inner{padding:16px}.mobile-nav__inner>a:first-child{display:none!important}.mobile-nav__link,.mobile-nav__item{min-height:48px;font-size:15px!important;padding:12px!important;border-bottom:1px solid var(--border-light)}.mobile-nav__sub:not(.open){visibility:hidden}.mobile-nav__sub.open{max-height:none;padding:8px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;background:var(--brand-orange-light);border-radius:10px}.mobile-nav__sub a{font-size:12px;padding:10px 8px;min-height:44px}.mobile-nav__sub a:first-child{grid-column:1/-1}
}
@media(max-width:359px){.hero__title{font-size:27px}.card__body{padding:10px}.card__title{font-size:14px}.stat-item__number{font-size:22px}.news-item{grid-template-columns:72px minmax(0,1fr);gap:10px}}

@media(max-width:768px){.search-form input{min-width:0;width:0;padding:12px}.search-form button{flex-shrink:0;padding:12px 16px}.sample-form-card,.contact-form-card,.sample-page__intro{padding:20px}.sample-page__intro h2{font-size:25px}.sample-page__intro li{font-size:13px}.sample-page__intro [style*="padding:24px"]{padding:16px!important}.sample-page__intro [style*="font-size:1.5rem"]{font-size:20px!important;overflow-wrap:anywhere}}

@media(max-width:768px){.hero__title{text-wrap:balance}.stats-section{padding:32px 0}}