/* ========================================
   绵阳众福食品有限公司 - 全局样式
   ======================================== */

/* === CSS Variables === */
:root {
  --color-primary: #0A85CF;
  --color-primary-dark: #076BA6;
  --color-primary-light: #E8F4FD;
  --color-accent: #D4A843;
  --color-accent-dark: #B8912E;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F9FC;
  --color-text: #1A1A2E;
  --color-text-secondary: #5A6577;
  --color-border: #E8ECF1;
  --color-success: #28A745;
  --color-error: #DC3545;

  --font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  --font-family-number: 'Roboto', 'DIN Alternate', sans-serif;

  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-xs: 12px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 40px;
  --font-size-4xl: 48px;
  --line-height: 1.6;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 80px;

  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;

  --shadow-card: 0 2px 12px rgba(10, 133, 207, 0.08);
  --shadow-hover: 0 8px 24px rgba(10, 133, 207, 0.12);
  --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.08);

  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 600ms ease-out;
}

/* === Reset & Base === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-md);
}

/* Section Header (with title and subtitle) */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header .section-title {
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-header .section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-header .section-desc {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-top: var(--spacing-md);
}

/* === Top Bar === */
.top-bar {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.top-bar a {
  color: white;
  opacity: 0.9;
}

.top-bar a:hover {
  opacity: 1;
}

.top-bar .phone {
  font-weight: 700;
  font-size: var(--font-size-lg);
  letter-spacing: 0.5px;
}

.top-bar .phone svg {
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
}

/* === Navigation === */
.header {
  background: white;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

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

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.logo img {
  height: 44px;
  width: auto;
  max-width: 44px;
  object-fit: contain;
}

.logo span {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav a {
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-weight: 500;
  position: relative;
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle,
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  cursor: pointer;
}

.menu-toggle span,
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
  border-radius: 1px;
}

.menu-toggle.active span:nth-child(1),
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2),
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3),
.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 28px;
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

.btn:active {
  transform: scale(0.98);
}

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

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

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

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

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

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

.btn-lg {
  padding: 16px 36px;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
}

/* === Cards === */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* === Hero / Banner === */
.hero {
  position: relative;
  width: 100%;
  height: 560px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 800ms ease;
}

.hero-slide.active {
  opacity: 1;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  color: white;
  max-width: 700px;
  padding: 0 var(--spacing-md);
}

.hero-content h1 {
  font-size: var(--font-size-4xl);
  color: white;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--spacing-lg);
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hero-dot.active {
  background: white;
  transform: scale(1.2);
}

/* === Stats Section === */
.stats-section {
  background: var(--color-primary);
  padding: var(--spacing-2xl) 0;
  color: white;
}

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

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-family: var(--font-family-number);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.stat-unit {
  font-size: var(--font-size-lg);
  font-weight: 400;
  opacity: 0.8;
}

.stat-label {
  font-size: var(--font-size-base);
  opacity: 0.85;
  margin-top: var(--spacing-xs);
}

/* === Products Grid === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.product-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
}

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

.product-card-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--color-bg-alt);
}

.product-card-body {
  padding: var(--spacing-lg);
  text-align: center;
}

.product-card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.product-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.product-card-tag {
  display: inline-block;
  margin-top: var(--spacing-sm);
  padding: 2px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  border-radius: 12px;
}

/* === About Section === */
.about-section {
  background: var(--color-bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

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

.about-content {
  padding: var(--spacing-lg) 0;
}

.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-lead {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.about-honors {
  display: flex;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.honor-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.about-text h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.about-badges {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: white;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-card);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

/* === News Section === */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.news-card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.news-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.news-card-body {
  padding: var(--spacing-lg);
}

.news-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.news-card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* === Rank Section === */
.rank-list {
  max-width: 800px;
  margin: 0 auto;
}

.rank-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-base);
}

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

.rank-number {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-number);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border-radius: 50%;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.rank-number.top-1 { background: #FFD700; color: white; }
.rank-number.top-2 { background: #C0C0C0; color: white; }
.rank-number.top-3 { background: #CD7F32; color: white; }

.rank-info {
  flex: 1;
}

.rank-name {
  font-weight: 600;
  font-size: var(--font-size-base);
  margin-bottom: 2px;
}

.rank-address {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.rank-likes {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.rank-likes svg {
  width: 20px;
  height: 20px;
}

/* Rank section alternative classes */
.rank-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-number);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-bg-alt);
  border-radius: 50%;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.rank-num.rank-1 { background: #FFD700; color: white; }
.rank-num.rank-2 { background: #C0C0C0; color: white; }
.rank-num.rank-3 { background: #CD7F32; color: white; }

.rank-info h4 {
  font-weight: 600;
  font-size: var(--font-size-base);
  margin-bottom: 2px;
}

.rank-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.rank-votes {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.rank-votes svg {
  width: 20px;
  height: 20px;
}

/* 白色背景板块 */
.products-home,
.honor-section,
.rank-home {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg);
}

/* 浅灰色背景板块 */
.about-home,
.news-home {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg-alt);
}

.products-more,
.news-more,
.rank-more {
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.rank-more {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* === Footer === */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  color: white;
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: white;
}

.footer-brand h3 {
  color: white;
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-links h4 {
  color: white;
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
}

.footer-links a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  color: rgba(255,255,255,0.7);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
}

/* === Breadcrumb === */
.breadcrumb {
  background: var(--color-bg-alt);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

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

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

.breadcrumb-list span {
  color: var(--color-text-secondary);
}

.breadcrumb-list .current {
  color: var(--color-primary);
  font-weight: 500;
}

/* === Page Header === */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  color: white;
}

.page-header h1 {
  color: white;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}

.page-header p {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-lg);
}

/* === Filter Tabs === */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filter-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--color-border);
  border-radius: 24px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: white;
}

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

/* === Contact Form === */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 133, 207, 0.1);
}

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

/* === Timeline === */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-dot {
  position: absolute;
  left: -33px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid white;
  box-shadow: 0 0 0 2px var(--color-primary);
}

.timeline-year {
  font-family: var(--font-family-number);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.timeline-content h4 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* === Honor Section (Homepage) === */
.honor-section {
  padding: var(--spacing-4xl) 0;
  background: var(--color-bg);
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

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

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

.honor-item {
  background: var(--color-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  text-align: center;
}

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

.honor-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.honor-item p {
  padding: var(--spacing-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0;
}

/* === Honor Gallery === */
.honor-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.honor-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

.honor-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-hover);
}

.honor-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* === Cooperation Features === */
.cooperation-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: 50%;
  color: var(--color-primary);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* === Animations === */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Back to Top === */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cooperation-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 32px;
    --font-size-3xl: 28px;
    --font-size-2xl: 22px;
    --font-size-xl: 20px;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .top-bar .container {
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }

  .top-bar-right {
    display: none;
  }

  .menu-toggle,
  .mobile-menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: 0;
    box-shadow: var(--shadow-nav);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .nav a::after {
    display: none;
  }

  .hero {
    height: 360px;
  }

  .hero-content h1 {
    font-size: var(--font-size-2xl);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: var(--font-size-2xl);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .honor-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .cooperation-features {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: var(--spacing-2xl) 0;
  }

  .page-header h1 {
    font-size: var(--font-size-2xl);
  }

  .back-to-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}

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

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

  .hero {
    height: 280px;
  }
}