/* ============================================
   现代创意网站模板 - 渐变活力设计系统
   紫罗兰+珊瑚粉系 | 时尚前卫的视觉体验
   ============================================ */

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

/* 设计令牌 */
:root {
  /* 主色系 - 紫罗兰活力 */
  --color-primary-50: #f5f3ff;
  --color-primary-100: #ede9fe;
  --color-primary-200: #ddd6fe;
  --color-primary-300: #c4b5fd;
  --color-primary-400: #a78bfa;
  --color-primary-500: #8b5cf6;
  --color-primary-600: #7c3aed;
  --color-primary-700: #6d28d9;
  --color-primary-800: #5b21b6;
  --color-primary-900: #4c1d95;
  --color-primary-950: #2e1065;

  /* 辅助色系 - 珊瑚粉 */
  --color-secondary-50: #fff1f2;
  --color-secondary-100: #ffe4e6;
  --color-secondary-200: #fecdd3;
  --color-secondary-300: #fda4af;
  --color-secondary-400: #fb7185;
  --color-secondary-500: #f43f5e;
  --color-secondary-600: #e11d48;
  --color-secondary-700: #be123c;
  --color-secondary-800: #9f1239;
  --color-secondary-900: #881337;

  /* 中性灰阶 */
  --color-gray-50: #fafafa;
  --color-gray-100: #f4f4f5;
  --color-gray-200: #e4e4e7;
  --color-gray-300: #d4d4d8;
  --color-gray-400: #a1a1aa;
  --color-gray-500: #71717a;
  --color-gray-600: #52525b;
  --color-gray-700: #3f3f46;
  --color-gray-800: #27272a;
  --color-gray-900: #18181b;

  /* 品牌应用 */
  --brand-color: var(--color-primary-700);
  --brand-accent: var(--color-secondary-500);
  --brand-light: var(--color-primary-50);

  /* 渐变组合 */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-secondary-500) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-primary-600) 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-600) 50%, var(--color-secondary-500) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(109, 40, 217, 0.92) 0%, rgba(244, 63, 94, 0.88) 100%);

  /* 字体族 */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  /* 字号梯度 */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* 间距梯度 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* 圆角梯度 */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 阴影梯度 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* 过渡时间 */
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);

  /* 布局宽度 */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* 基础样式 */
html {
  font-size: 16px;
  line-height: 1.5;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-gray-800);
  background: linear-gradient(180deg, #fafafa 0%, #f0f0f5 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 动画定义 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
  }

  to {
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }

  to {
    transform: translateY(0);
  }
}

/* 工具类 */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-observer {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section-observer.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== 顶部导航 ==================== */
.navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all var(--duration-base) var(--ease-default);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(124, 58, 237, 0.12);
  border-bottom-width: 1px;
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--duration-fast) var(--ease-default);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-brand-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: var(--text-lg);
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
}

.navbar-menu,
.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.navbar-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  color: var(--color-gray-600);
  text-decoration: none;
  font-weight: 500;
  border-radius: 12px;
  transition: all var(--duration-fast) var(--ease-default);
  position: relative;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.navbar-cta {
  padding: var(--space-3) var(--space-6);
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  font-weight: 600;
  border-radius: 16px;
  transition: all var(--duration-base) var(--ease-default);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.25);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.35);
}

/* 移动端菜单触发器 */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 0;
  transition: background var(--duration-fast) var(--ease-default);
}

.navbar-toggle:hover {
  background: var(--color-gray-100);
}

.navbar-toggle-icon {
  display: block;
  position: relative;
  width: 28px;
  height: 20px;
}

.navbar-toggle-icon span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--color-gray-700);
  border-radius: 0;
  transition: all var(--duration-base) var(--ease-default);
  left: 0;
}

.navbar-toggle-icon span:nth-child(1) {
  top: 0;
}

.navbar-toggle-icon span:nth-child(2) {
  top: 8px;
}

.navbar-toggle-icon span:nth-child(3) {
  top: 16px;
}

.navbar-toggle.active .navbar-toggle-icon span:nth-child(1) {
  transform: rotate(45deg);
  top: 8px;
}

.navbar-toggle.active .navbar-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active .navbar-toggle-icon span:nth-child(3) {
  transform: rotate(-45deg);
  top: 8px;
}

/* 移动端遮罩 */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(24, 24, 27, 0.5);
  backdrop-filter: blur(8px);
  z-index: 150;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-base) var(--ease-default);
}

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

/* 移动端菜单 - 上下弹出 */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 100vh;
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  z-index: 200;
  transition: transform var(--duration-base) var(--ease-default);
  transform: translateY(-100%);
  overflow-y: auto;
  padding-top: 72px;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: white;
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-menu-brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-base);
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.25);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 10px;
  transition: background var(--duration-fast) var(--ease-default);
}

.mobile-menu-close:hover {
  background: var(--color-gray-100);
}

.mobile-menu-body {
  padding: var(--space-6);
}

.mobile-menu-list {
  list-style: none;
  margin-bottom: var(--space-8);
}

.mobile-menu-item {
  margin-bottom: var(--space-3);
}

.mobile-menu-link {
  display: block;
  padding: var(--space-4) var(--space-5);
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-lg);
  border-radius: 16px;
  transition: all var(--duration-fast) var(--ease-default);
  border: 2px solid transparent;
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
  border-color: var(--color-primary-200);
}

.mobile-menu-cta {
  display: block;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  border-radius: 16px;
  transition: all var(--duration-base) var(--ease-default);
  font-size: var(--text-lg);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.25);
}

.mobile-menu-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.35);
}

/* ==================== 英雄区域 ==================== */
.hero {
  padding: calc(72px + var(--space-20)) 0 var(--space-24);
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(251, 113, 133, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(167, 139, 250, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.08) 0%, transparent 50%);
}

.hero::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 30px;
  color: var(--color-secondary-200);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease-out forwards;
  backdrop-filter: blur(10px);
}

.hero-badge svg {
  width: 18px;
  height: 18px;
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s 0.1s ease-out both;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.6s 0.2s ease-out both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  animation: fadeInUp 0.6s 0.3s ease-out both;
}

/* ==================== 按钮组件 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-default);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary-600);
  border: 2px solid var(--color-primary-300);
}

.btn-outline:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-500);
}

/* ==================== 页面横幅 ==================== */
.page-banner {
  padding: calc(72px + var(--space-12)) 0 var(--space-12);
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 25% 40%, rgba(251, 113, 133, 0.15) 0%, transparent 45%),
    radial-gradient(circle at 75% 60%, rgba(167, 139, 250, 0.12) 0%, transparent 45%);
}

.page-banner-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* ==================== 主要内容 ==================== */
.main-content {
  padding: var(--space-16) 0;
}

.main-inner {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) 0;
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.breadcrumb-link {
  color: var(--color-primary-700);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.breadcrumb-link:hover {
  color: var(--color-primary-500);
}

.breadcrumb-separator {
  color: var(--color-gray-400);
}

/* ==================== 区块通用 ==================== */
.section {
  margin-bottom: var(--space-24);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  padding: var(--space-1) var(--space-5);
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: 0;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

/* ==================== 概述卡片 ==================== */
.overview-card {
  background: white;
  border-radius: 24px;
  padding: var(--space-10);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-gray-200);
}

.overview-text {
  font-size: var(--text-lg);
  color: var(--color-gray-700);
  line-height: 1.85;
}

/* ==================== 流程步骤 ==================== */
.process-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: var(--space-10) 0;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-300) 0%, var(--color-secondary-400) 100%);
  transform: translateY(-50%);
  z-index: 0;
  border-radius: 2px;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: white;
  font-size: var(--text-xl);
  font-weight: 700;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.35);
}

.process-label {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-gray-700);
}

/* ==================== 服务项目 ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  background: white;
  border-radius: 24px;
  padding: var(--space-8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
  transition: all var(--duration-base) var(--ease-default);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(124, 58, 237, 0.15);
  border-color: var(--color-primary-300);
}

.service-icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-primary-600);
  transition: all var(--duration-base) var(--ease-default);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.35);
}

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

.service-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
}

.service-description {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ==================== 优势列表 ==================== */
.advantages-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  background: white;
  border-radius: 20px;
  padding: var(--space-8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
  transition: all var(--duration-base) var(--ease-default);
}

.advantage-item:hover {
  box-shadow: 0 15px 45px rgba(244, 63, 94, 0.12);
  border-color: var(--color-secondary-300);
  transform: translateY(-4px);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: linear-gradient(135deg, var(--color-secondary-50) 0%, var(--color-secondary-100) 100%);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary-600);
}

.advantage-icon svg {
  width: 28px;
  height: 28px;
}

.advantage-content {
  flex: 1;
}

.advantage-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
}

.advantage-text {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ==================== 资讯卡片 - 全新扁平化设计 ==================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-10);
}

.news-card {
  display: block;
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
  transition: all var(--duration-base) var(--ease-default);
  text-decoration: none;
  color: inherit;
  position: relative;
  padding-bottom: 0;
  border-bottom: none;
}

.news-card:last-child {
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 0;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 60px rgba(124, 58, 237, 0.15);
  border-color: var(--color-primary-300);
}

.news-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform var(--duration-base) var(--ease-default);
  transform-origin: top;
}

.news-card:hover::before {
  transform: scaleY(1);
}

.news-thumbnail {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-secondary-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-400);
  font-size: var(--text-sm);
  margin-bottom: 0;
  overflow: hidden;
  position: relative;
}

.news-card:hover .news-thumbnail {
  opacity: 1;
}

.news-info {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.news-date {
  font-size: var(--text-sm);
  color: var(--color-secondary-500);
  margin-bottom: var(--space-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.news-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.news-title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.news-card:hover .news-title {
  color: var(--color-primary-700);
}

.news-excerpt {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-600);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-default);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.news-link:hover {
  color: var(--color-primary-700);
  gap: var(--space-3);
}

.news-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-default);
}

.news-card:hover .news-link svg {
  transform: translateX(4px);
}

/* ==================== 联系信息 ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.contact-card {
  background: white;
  border-radius: 24px;
  padding: var(--space-8);
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gray-200);
  transition: all var(--duration-base) var(--ease-default);
}

.contact-card:hover {
  box-shadow: 0 15px 45px rgba(124, 58, 237, 0.15);
  border-color: var(--color-primary-300);
  transform: translateY(-4px);
}

.contact-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: var(--color-primary-600);
  transition: all var(--duration-base) var(--ease-default);
}

.contact-card:hover .contact-icon {
  background: var(--gradient-primary);
  color: white;
  transform: scale(1.08);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.35);
}

.contact-icon svg {
  width: 36px;
  height: 36px;
}

.contact-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-900);
}

/* ==================== 页脚 ==================== */
.footer {
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-10);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.footer-about {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-gray-400);
}

.footer-heading {
  font-size: var(--text-base);
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-5);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a,
.footer-links span {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-links a:hover {
  color: var(--color-primary-400);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.footer-bottom a {
  color: var(--color-gray-400);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-bottom a:hover {
  color: var(--color-primary-400);
}

/* ==================== 分页 ==================== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-12);
}

.pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: white;
  border: 2px solid var(--color-gray-300);
  border-radius: 12px;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-default);
}

.pagination-link:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.pagination-link.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

/* ==================== 404页面 ==================== */
.error-page {
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20) 0;
}

.error-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.error-icon {
  width: 240px;
  height: 240px;
  margin: 0 auto var(--space-10);
  background: var(--gradient-primary);
  border-radius: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.35);
  position: relative;
}

.error-icon-inner {
  width: 220px;
  height: 220px;
  background: white;
  border-radius: 30px;
}

.error-number {
  position: relative;
  z-index: 2;
  color: var(--color-primary-700);
  font-size: 90px;
  font-weight: 800;
  letter-spacing: -4px;
}

.error-title {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-5);
}

.error-text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.7;
  margin-bottom: var(--space-10);
}

.error-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==================== 文章详情 ==================== */
.article-detail {
  max-width: 900px;
  margin: 0 auto;
}

.article-header {
  text-align: center;
  padding-bottom: var(--space-10);
  border-bottom: 2px solid var(--color-gray-200);
  margin-bottom: var(--space-10);
}

.article-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-6);
  line-height: 1.3;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  color: var(--color-gray-500);
  font-size: var(--text-sm);
}

.article-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.article-meta-item svg {
  width: 16px;
  height: 16px;
}

.article-content {
  line-height: 1.9;
  color: var(--color-gray-700);
  font-size: var(--text-lg);
}

.article-content p {
  margin-bottom: var(--space-6);
}

.article-content p:last-child {
  margin-bottom: 0;
}

/* ==================== 相关推荐 ==================== */
.related-posts {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 2px solid var(--color-gray-200);
}

.related-posts-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-8);
}

.related-posts-list {
  display: grid;
  gap: var(--space-6);
}

.related-posts-item {
  display: block;
  padding: var(--space-6);
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 20px;
  transition: all var(--duration-base) var(--ease-default);
  text-decoration: none;
}

.related-posts-item:hover {
  border-color: var(--color-primary-300);
  padding-left: var(--space-8);
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.1);
  transform: translateX(4px);
}

.related-posts-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

.related-posts-item:hover .related-posts-title {
  color: var(--color-primary-700);
}

.related-posts-date {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: 500;
}

.article-content img {
  width: 560px !important;
              height: auto !important;     /* 高度自适应，保持宽高比 */
            object-fit: contain !important; /* 确保图片不被拉伸或压缩，保持原比例 */
            display: block !important;    /* 防止底部出现空白间隙 */
}

/* ==================== 文章操作 ==================== */
.article-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-12);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
.article-content img {
  width: 560px !important;
              height: auto !important;     /* 高度自适应，保持宽高比 */
            object-fit: contain !important; /* 确保图片不被拉伸或压缩，保持原比例 */
            display: block !important;    /* 防止底部出现空白间隙 */
}

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

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

@media (max-width: 768px) {

.article-content img {
  width: 380px !important;
              height: auto !important;     /* 高度自适应，保持宽高比 */
            object-fit: contain !important; /* 确保图片不被拉伸或压缩，保持原比例 */
            display: block !important;    /* 防止底部出现空白间隙 */
}

  .navbar-menu,
  .navbar-nav,
  .navbar-cta {
    display: none !important;
  }

  .navbar-toggle {
    display: flex;
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-actions {
    flex-direction: column;
  }

  .services-grid,
  .advantages-list,
  .news-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .news-thumbnail {
    width: 100%;
    height: 200px;
  }

  .process-steps {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
  }

  .process-steps::before {
    top: 0;
    bottom: 0;
    left: 30px;
    right: auto;
    width: 3px;
    height: auto;
    transform: none;
  }

  .process-step {
    flex-direction: row;
    text-align: left;
    gap: var(--space-5);
  }

  .process-label {
    max-width: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

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

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

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

  .article-meta {
    flex-direction: column;
    gap: var(--space-3);
  }
}

@media (max-width: 480px) {
.article-content img {
  width: 280px !important;
              height: auto !important;     /* 高度自适应，保持宽高比 */
            object-fit: contain !important; /* 确保图片不被拉伸或压缩，保持原比例 */
            display: block !important;    /* 防止底部出现空白间隙 */
}

  .hero {
    padding: calc(72px + var(--space-12)) 0 var(--space-16);
  }

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

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

  .page-banner-title {
    font-size: var(--text-xl);
  }

  .article-title {
    font-size: var(--text-xl);
  }

  .article-content {
    font-size: var(--text-base);
  }
}