/* ============================================================
   SXCBEC 网站统一设计系统
   配色: 专业蓝(#0052cc) + 橙色(#ff6b35)
   无紫色 | 移动端优先 | 全站统一
   ============================================================ */

/* ===== CSS 变量系统 ===== */
:root {
  /* 主色系 - 专业物流蓝 */
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --primary: #0052cc;
  --primary-dark: #003d99;
  --primary-light: #3366ff;
  --primary-bg: #e6f0ff;

  /* 点缀色 - 活力橙 */
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-300: #fdba74;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --accent: #ff6b35;
  --accent-dark: #e65a2b;
  --accent-light: #fff0ea;

  /* 中性色 */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --text: #1a1a2e;
  --text-secondary: #4a4a6a;

  /* 功能色 */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #06b6d4;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* 间距 */
  --container: 1200px;
  --section-padding: 80px 0;

  /* 字体 */
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* 过渡 */
  --ease: ease;
  --fast: 0.15s var(--ease);
  --normal: 0.3s var(--ease);
  --slow: 0.5s var(--ease);
}

/* ===== 重置与基础 ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

ul, ol {
  list-style: none;
}

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

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

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

/* ===== 通用容器 ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: all var(--normal);
  border: 2px solid transparent;
  cursor: pointer;
  line-height: 1.4;
}

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

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

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

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

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

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

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

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

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

.btn-sm {
  padding: 8px 18px;
  font-size: var(--font-size-sm);
}

/* ===== 通用板块标题 ===== */
.section {
  padding: var(--section-padding);
}

.section-title {
  text-align: center;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: 48px;
}

/* ===== 页面横幅 ===== */
.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 120px 0 60px;
  color: var(--white);
  text-align: center;
}

.page-banner h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
}

/* ===== 卡片通用 ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  transition: all var(--normal);
}

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

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--normal);
}

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

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.navbar-logo img,
.navbar-logo svg {
  width: 36px;
  height: 36px;
}

.navbar-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.navbar-logo .logo-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
}

.navbar-logo .logo-subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  white-space: nowrap;
}

/* 导航菜单 */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar-menu a {
  padding: 8px 16px;
  font-size: var(--font-size-base);
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all var(--fast);
  white-space: nowrap;
  position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--primary);
  background: var(--primary-bg);
}

.navbar-menu a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* 下拉菜单 */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text-secondary);
  margin-left: 6px;
  transition: border-top-color var(--fast);
}

.nav-dropdown:hover > a::after {
  border-top-color: var(--primary);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 180px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--normal);
  z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  color: var(--text);
  border-radius: 0;
}

.dropdown-menu a:hover {
  background: var(--primary-bg);
  color: var(--primary);
}

/* 汉堡菜单按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

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

.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);
}

/* ===== Hero 区块 ===== */
.hero {
  padding-top: 70px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  overflow: hidden;
}

.hero-inner {
  display: flex;
  align-items: center;
  min-height: 520px;
  gap: 60px;
  padding: 60px 0;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-text p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual img,
.hero-visual svg {
  max-width: 400px;
  width: 100%;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
}

/* Hero 统计 */
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}

.hero-stats .stat {
  text-align: center;
}

.hero-stats .stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--accent);
}

.hero-stats .stat-label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

/* ===== 优势卡片网格 ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--normal);
  border: 1px solid var(--gray-200);
}

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

.advantage-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-bg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 28px;
}

.advantage-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

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

/* ===== 服务卡片 ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 36px 28px;
  transition: all var(--normal);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  transition: width var(--normal);
}

.service-card:hover::before {
  width: 100%;
  opacity: 0.05;
}

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

.service-card .icon {
  width: 56px;
  height: 56px;
  background: var(--primary-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-card .features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.service-card .feature-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.service-card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: gap var(--fast);
}

.service-card .link:hover {
  gap: 10px;
  color: var(--accent);
}

/* ===== 数据统计条 ===== */
.stats-bar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 60px 0;
  color: var(--white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stats-grid .stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.stats-grid .stat-label {
  font-size: var(--font-size-base);
  opacity: 0.85;
}

/* ===== 合作伙伴滚动 ===== */
.partners-section {
  padding: var(--section-padding);
  background: var(--gray-50);
  overflow: hidden;
}

.partners-track-wrapper {
  overflow: hidden;
  margin-top: 40px;
}

.partners-track {
  display: flex;
  gap: 40px;
  animation: scroll-partners 30s linear infinite;
}

.partners-track:hover {
  animation-play-state: paused;
}

.partner-logo {
  flex-shrink: 0;
  width: 140px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 12px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all var(--normal);
}

.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  box-shadow: var(--shadow-sm);
}

.partner-logo img {
  max-height: 36px;
  max-width: 100%;
}

@keyframes scroll-partners {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== CTA 区块 ===== */
.cta-section {
  padding: 80px 0;
  text-align: center;
  background: var(--white);
}

.cta-section.bg-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--white);
}

.cta-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  margin-bottom: 32px;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--gray-700);
}

.footer-col h4 {
  color: var(--white);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--gray-400);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  transition: color var(--fast);
}

.footer-col ul a:hover {
  color: var(--accent);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  margin-bottom: 12px;
}

.footer-contact .icon {
  flex-shrink: 0;
  color: var(--accent);
}

/* 友情链接 */
.footer-friendly {
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-700);
}

.footer-friendly .container {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-friendly span {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  flex-shrink: 0;
}

.footer-friendly a {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  transition: color var(--fast);
}

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

/* 版权栏 */
.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* ===== 浮动按钮 ===== */
.floating-menu {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.floating-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  box-shadow: var(--shadow-md);
  transition: all var(--normal);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.floating-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

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

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

.floating-btn.dark {
  background: var(--gray-700);
}

.floating-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* ===== 表单通用 ===== */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

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

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

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow var(--fast);
}

.faq-item.active {
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  background: var(--white);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text);
  transition: background var(--fast);
}

.faq-question:hover {
  background: var(--gray-50);
}

.faq-question .arrow {
  transition: transform var(--normal);
  color: var(--text-secondary);
}

.faq-item.active .arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--normal);
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 24px 18px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== 时间线 ===== */
.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: var(--gray-200);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 40px);
  margin-bottom: 40px;
  position: relative;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 40px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: var(--radius-full);
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.timeline-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  max-width: 400px;
}

.timeline-card .year {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 8px;
}

.timeline-card h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* ===== 流程步骤 ===== */
.process-steps {
  display: flex;
  justify-content: center;
  gap: 0;
  padding: 20px 0;
  position: relative;
  flex-wrap: wrap;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 140px;
  position: relative;
}

.process-step::after {
  content: "";
  position: absolute;
  top: 28px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--gray-300);
  z-index: 0;
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: 700;
  z-index: 1;
  position: relative;
  margin-bottom: 12px;
}

.step-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text);
  text-align: center;
}

/* ===== 表格通用 ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

 table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

th {
  background: var(--primary);
  color: var(--white);
  padding: 14px 20px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: left;
}

td {
  padding: 14px 20px;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--gray-200);
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--gray-50);
}

/* ===== 价格卡片 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 36px 28px;
  text-align: center;
  border: 2px solid var(--gray-200);
  transition: all var(--normal);
}

.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

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

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.pricing-card .unit {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-card .features {
  text-align: left;
  margin-bottom: 28px;
}

.pricing-card .features li {
  padding: 8px 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--gray-100);
}

.pricing-card .features li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
}

/* ===== 分页标签 ===== */
.tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: var(--gray-100);
  transition: all var(--fast);
  border: none;
  cursor: pointer;
}

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

/* ===== 新闻列表 ===== */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-card {
  display: flex;
  gap: 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: all var(--normal);
  border: 1px solid var(--gray-200);
}

.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.news-date {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--primary-bg);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.news-date .day {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  line-height: 1;
}

.news-date .month {
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.news-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.news-content p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.news-content .tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: 12px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

/* ===== 地图占位 ===== */
.map-placeholder {
  width: 100%;
  height: 360px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: var(--font-size-lg);
  gap: 12px;
}

.map-placeholder .icon {
  font-size: 48px;
  opacity: 0.5;
}

/* ===== 查询结果展示 ===== */
.result-timeline {
  padding: 20px 0;
}

.result-step {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-left: 3px solid var(--gray-200);
  margin-left: 20px;
  padding-left: 28px;
  position: relative;
}

.result-step::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--gray-300);
  border: 3px solid var(--white);
  box-shadow: var(--shadow-sm);
}

.result-step.active::before {
  background: var(--accent);
}

.result-step .time {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  white-space: nowrap;
}

.result-step .loc {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

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

/* ===== 提示/备注 ===== */
.disclaimer {
  display: inline-block;
  padding: 8px 16px;
  background: var(--orange-50);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--accent-dark);
  margin-top: 16px;
}

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
    min-height: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-right: 0;
    padding-left: 52px;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 20px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

/* ===== 响应式：手机 ===== */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .navbar-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 20px 20px;
    box-shadow: var(--shadow-xl);
    transition: right var(--normal);
    z-index: 1000;
    gap: 0;
  }

  .navbar-menu.open {
    right: 0;
  }

  .navbar-menu a {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0 0 0 16px;
    display: none;
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .hamburger {
    display: flex;
  }

  .mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    display: none;
  }

  .mobile-overlay.open {
    display: block;
  }

  .hero-text h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-visual {
    display: none;
  }

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

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-friendly .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .page-banner {
    padding: 100px 0 40px;
  }

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

  .news-card {
    flex-direction: column;
  }

  .process-steps {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 20px;
  }

  .process-step {
    flex-direction: row;
    width: auto;
    align-items: center;
  }

  .process-step::after {
    display: none;
  }

  .floating-menu {
    bottom: 20px;
    right: 20px;
  }
}

/* ===== data-platform 暗色主题兼容 ===== */
.data-platform-page {
  background: var(--gray-900);
  color: var(--white);
}

.data-platform-page .navbar {
  background: rgba(15, 22, 42, 0.95);
}

.data-platform-page .navbar-menu a {
  color: var(--gray-300);
}

.data-platform-page .navbar-menu a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.5s ease forwards;
}

/* ===== 滚动可见动画 ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 表单成功提示 ===== */
.form-success {
  display: none;
  padding: 16px 20px;
  background: #ecfdf5;
  border: 1px solid var(--success);
  border-radius: var(--radius-md);
  color: #065f46;
  font-size: var(--font-size-sm);
  margin-top: 16px;
}

.form-success.show {
  display: block;
}