/**
 * 富文云端技术有限公司 - 主样式表
 * CSS重置、基础排版、工具类
 */

@import url('variables.css');

/* ========================================
   CSS重置
   ======================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

/* 移除列表默认样式 */
ul,
ol {
  list-style: none;
}

/* 链接样式 */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* 图片响应式 */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* 表单元素继承字体 */
input,
button,
textarea,
select {
  font: inherit;
}

/* 按钮重置 */
button {
  cursor: pointer;
  border: none;
  background: none;
}

/* 表格重置 */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ========================================
   基础排版
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

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);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--spacing-4);
}

strong, b {
  font-weight: var(--font-weight-bold);
}

em, i {
  font-style: italic;
}

small {
  font-size: var(--font-size-sm);
}

/* ========================================
   容器和布局
   ======================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.container-sm {
  max-width: var(--container-sm);
}

.container-md {
  max-width: var(--container-md);
}

.container-lg {
  max-width: var(--container-lg);
}

/* ========================================
   按钮样式
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  color: var(--color-white);
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-secondary {
  color: var(--color-white);
  background-color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

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

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

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

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
}

/* ========================================
   表单样式
   ======================================== */

.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--color-white);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.success,
.form-textarea.success {
  border-color: var(--color-success);
}

.form-error {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

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

/* ========================================
   卡片样式
   ======================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-body {
  padding: var(--spacing-6);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-3);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
}

/* ========================================
   工具类 - 文字
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--color-white); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

/* ========================================
   工具类 - 背景
   ======================================== */

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-white { background-color: var(--color-white); }
.bg-dark { background-color: var(--bg-dark); }

/* ========================================
   工具类 - 间距
   ======================================== */

/* Margin */
.m-0 { margin: var(--spacing-0); }
.m-1 { margin: var(--spacing-1); }
.m-2 { margin: var(--spacing-2); }
.m-3 { margin: var(--spacing-3); }
.m-4 { margin: var(--spacing-4); }
.m-6 { margin: var(--spacing-6); }
.m-8 { margin: var(--spacing-8); }

.mt-0 { margin-top: var(--spacing-0); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-0 { margin-bottom: var(--spacing-0); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding */
.p-0 { padding: var(--spacing-0); }
.p-2 { padding: var(--spacing-2); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-8 { padding-top: var(--spacing-8); padding-bottom: var(--spacing-8); }
.py-12 { padding-top: var(--spacing-12); padding-bottom: var(--spacing-12); }
.py-16 { padding-top: var(--spacing-16); padding-bottom: var(--spacing-16); }

.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }

/* ========================================
   工具类 - Flexbox
   ======================================== */

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* ========================================
   工具类 - Grid
   ======================================== */

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ========================================
   工具类 - 显示
   ======================================== */

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ========================================
   工具类 - 定位
   ======================================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ========================================
   工具类 - 其他
   ======================================== */

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-full { border-radius: var(--border-radius-full); }

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

.cursor-pointer { cursor: pointer; }

/* ========================================
   Section样式
   ======================================== */

.section {
  padding: var(--spacing-16) 0;
}

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

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-12);
}

/* ========================================
   消息提示
   ======================================== */

.alert {
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-4);
}

.alert-success {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.alert-error {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.alert-info {
  background-color: rgba(66, 133, 244, 0.1);
  color: var(--color-info);
  border: 1px solid var(--color-info);
}

/* ========================================
   Hero区域样式
   ======================================== */

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Hero轮播图样式 */
.hero-carousel {
  position: relative;
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.7) 0%, rgba(13, 71, 161, 0.8) 100%);
}

/* 深色遮罩 - 用于有图片的背景 */
.hero-slide-overlay-dark {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(13, 71, 161, 0.7) 100%);
}

.hero-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-indicator:hover {
  background: rgba(255, 255, 255, 0.8);
}

.hero-indicator.active {
  background: #fff;
  transform: scale(1.2);
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  border: none;
}

.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.4);
}

.hero-arrow-prev {
  left: 20px;
}

.hero-arrow-next {
  right: 20px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 50%, 
    #0d47a1 100%);
  z-index: -2;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 30%);
  z-index: -1;
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
}

/* 新版 Hero 第一页样式 - 垂直布局 */
.hero-v-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}

/* AWS 合作伙伴图片 */
.hero-partner-logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.hero-partner-img {
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
  transition: transform 0.3s ease;
}

.hero-partner-img:hover {
  transform: scale(1.05);
}

.hero-partner-badge {
  display: flex;
  align-items: center;
  gap: 16px;
}

.partner-badge-line {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 153, 0, 0.8), transparent);
}

.partner-badge-text {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #FF9900;
  text-shadow: 0 0 20px rgba(255, 153, 0, 0.5);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: rgba(255, 153, 0, 0.15);
  border: 1px solid rgba(255, 153, 0, 0.4);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: #FFD700;
  backdrop-filter: blur(10px);
}

.hero-badge-icon {
  font-size: 16px;
}

.hero-title-main {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  margin: 0;
  line-height: 1.2;
  letter-spacing: -1px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.hero-description-new {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  max-width: 600px;
  line-height: 1.7;
  text-align: center;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.hero-feature {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.hero-feature-icon {
  font-size: 16px;
}

.hero-buttons-new {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #FF9900 0%, #FFCC00 100%);
  color: #0d1117;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(255, 153, 0, 0.4);
  transition: all 0.3s ease;
}

.btn-hero-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(255, 153, 0, 0.5);
  color: #0d1117;
}

.btn-hero-primary svg {
  transition: transform 0.3s ease;
}

.btn-hero-primary:hover svg {
  transform: translateX(5px);
}

.btn-hero-outline {
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.hero-stats-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hero-stat-num {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-stat-text {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* 保留旧样式兼容 */
.hero-logo {
  margin-bottom: var(--spacing-6);
}

.hero-logo-img {
  width: 80px;
  height: auto;
  margin: 0 auto;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-tagline {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-6);
  font-weight: var(--font-weight-light);
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-4);
  font-weight: var(--font-weight-medium);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  justify-content: center;
  align-items: center;
}

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

.hero-buttons .btn-primary:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
  color: var(--color-primary-dark);
}

.hero-buttons .btn-outline {
  color: var(--color-white);
  border-color: var(--color-white);
  background-color: transparent;
}

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

/* ========================================
   服务卡片样式
   ======================================== */

.section-services {
  background-color: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.service-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-8);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover .service-card-icon {
  transform: scale(1.1);
  color: var(--color-primary);
}

.service-card:hover .service-card-link {
  color: var(--color-primary);
}

.service-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin-bottom: var(--spacing-4);
  color: var(--color-primary);
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: var(--border-radius-full);
  transition: transform var(--transition-normal), color var(--transition-normal);
}

.service-card-icon svg {
  width: 40px;
  height: 40px;
}

.service-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.service-card-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  flex-grow: 1;
}

.service-card-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

/* ========================================
   导航栏样式
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo-img {
  height: 40px;
  width: auto;
}

/* 有logo图片时隐藏文字 */
.nav-logo-text {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.nav-menu-item {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-2) 0;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-menu-item:hover {
  color: var(--color-primary);
}

.nav-menu-item.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.nav-menu-item.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.nav-cta {
  flex-shrink: 0;
}

/* 语言切换器 */
.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  margin-left: var(--spacing-4);
  flex-shrink: 0;
}

.lang-btn {
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--color-primary);
  background-color: var(--bg-secondary);
}

.lang-btn.active {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.lang-divider {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* 导航栏滚动状态 */
.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

/* 为固定导航栏预留空间 */
body {
  padding-top: 64px;
}


/* ========================================
   联系表单区域样式
   ======================================== */

.section-contact {
  background-color: var(--bg-secondary);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  max-width: 1000px;
  margin: 0 auto;
}

/* 联系表单样式 */
.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

/* 必填标记 */
.required {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

/* 表单消息 */
.form-message {
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-4);
  font-weight: var(--font-weight-medium);
}

.form-message.success {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.form-message.error {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

/* 表单输入框验证状态 */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
  background-color: rgba(234, 67, 53, 0.02);
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(234, 67, 53, 0.1);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--color-success);
  background-color: rgba(52, 168, 83, 0.02);
}

.form-input.success:focus,
.form-textarea.success:focus,
.form-select.success:focus {
  box-shadow: 0 0 0 3px rgba(52, 168, 83, 0.1);
}

/* 表单错误消息 */
.form-error {
  display: none;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-error.visible {
  display: block;
}

/* 表单提示 */
.form-hint {
  display: block;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* 下拉选择框样式 */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23757575' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-4) center;
  padding-right: var(--spacing-10);
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

/* 表单操作按钮区域 */
.form-actions {
  margin-top: var(--spacing-6);
  text-align: center;
}

.form-actions .btn {
  min-width: 200px;
}

/* 按钮加载状态 */
.btn-loading {
  display: none;
  align-items: center;
  gap: var(--spacing-2);
}

.btn-loading.hidden {
  display: none !important;
}

.btn.loading .btn-loading {
  display: inline-flex;
}

.btn-loading::before {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: inline-flex;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 联系信息样式 */
.contact-info {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.contact-info-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
  border-bottom: 2px solid var(--color-primary);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-200);
}

.contact-info-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.contact-info-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
}

.contact-info-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact-info-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

.contact-info-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

a.contact-info-value:hover {
  color: var(--color-primary);
}


/* ========================================
   服务详情页样式
   ======================================== */

/* 服务Hero区域 */
.service-hero {
  position: relative;
  padding: var(--spacing-16) 0;
  text-align: center;
  overflow: hidden;
}

.service-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 50%, 
    #0d47a1 100%);
  z-index: -1;
}

.service-hero-container {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.service-hero-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-6);
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
}

.service-hero-icon svg {
  width: 48px;
  height: 48px;
}

.service-hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.service-hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-4);
}

.service-hero-desc {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* 特性网格 */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.feature-card {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-4);
  background-color: rgba(26, 115, 232, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--color-primary);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.feature-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* 优势区域 */
.section-alt {
  background-color: var(--bg-secondary);
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.advantage-item {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.advantage-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: rgba(26, 115, 232, 0.1);
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  line-height: 1;
}

.advantage-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-3);
}

.advantage-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* 认证区域 */
.certifications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.certification-card {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  border: 2px solid transparent;
  transition: border-color var(--transition-normal);
}

.certification-card:hover {
  border-color: var(--color-primary);
}

.certification-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-4);
  background-color: rgba(52, 168, 83, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--color-success);
}

.certification-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.certification-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* CTA区域 */
.section-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.cta-desc {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-8);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  justify-content: center;
}

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

.section-cta .btn-primary:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

.section-cta .btn-outline {
  color: var(--color-white);
  border-color: var(--color-white);
}

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

/* 服务列表样式 */
.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.service-list-item:last-child {
  border-bottom: none;
}

.service-list-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-success);
}

.service-list-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* 支付方式网格 */
.payment-methods-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

.payment-method-card {
  background-color: var(--color-white);
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: transform var(--transition-fast);
}

.payment-method-card:hover {
  transform: translateY(-2px);
}

.payment-method-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2);
}

.payment-method-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: 0;
}

/* 全球节点地图占位 */
.global-map {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-8);
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.global-map-placeholder {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
}

/* 节点列表 */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-4);
}

.node-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.node-flag {
  font-size: var(--font-size-xl);
}

.node-info {
  flex: 1;
}

.node-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: 0;
}

.node-region {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}


/* ========================================
   联系我们页面样式
   ======================================== */

/* 联系页面Hero区域 */
.contact-hero {
  position: relative;
  padding: var(--spacing-16) 0 var(--spacing-12);
  text-align: center;
  overflow: hidden;
}

.contact-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 50%, 
    #0d47a1 100%);
  z-index: -1;
}

.contact-hero-container {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.contact-hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.contact-hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
}

/* 联系页面内容区域 */
.section-contact-page {
  background-color: var(--bg-secondary);
  padding: var(--spacing-16) 0;
}

.contact-page-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  max-width: 1200px;
  margin: 0 auto;
}

/* 联系表单区域 */
.contact-form-section {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.contact-section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.contact-section-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
}

/* 联系信息区域 */
.contact-info-section {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.contact-info-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-full);
  color: var(--color-white);
  flex-shrink: 0;
}

.contact-info-card-content {
  flex: 1;
}

.contact-info-card-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-1);
}

.contact-info-card-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--spacing-1);
  text-decoration: none;
}

a.contact-info-card-value:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.contact-info-card-note {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 地图区域 */
.section-map {
  background-color: var(--color-white);
  padding: var(--spacing-16) 0;
}

.map-container {
  max-width: 1000px;
  margin: 0 auto;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 2px dashed var(--color-gray-300);
}

.map-placeholder-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
  opacity: 0.6;
}

.map-placeholder-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.map-placeholder-note {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  margin-bottom: 0;
}

/* 页脚样式 */
.footer {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  padding: 0;
  color: var(--color-white);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 0 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 968px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
}

/* 页脚品牌区域 */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-logo-text {
  font-size: 20px;
  font-weight: 700;
  color: white;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 280px;
}

@media (max-width: 600px) {
  .footer-desc {
    max-width: 100%;
  }
}

/* 社交媒体 */
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 600px) {
  .footer-social {
    justify-content: center;
  }
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: white;
  transition: all 0.3s;
}

.footer-social-link:hover {
  transform: translateY(-3px);
}

.footer-social-link.wechat:hover {
  background: #07c160;
}

.footer-social-link.telegram:hover {
  background: #0088cc;
}

.footer-social-link.email:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.footer-social-link.gongzhonghao:hover {
  background: #07c160;
}

/* 页脚链接 */
.footer-links-title {
  font-size: 16px;
  font-weight: 600;
  color: white;
  margin-bottom: 20px;
}

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

.footer-links-list li {
  margin-bottom: 12px;
}

.footer-links-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}

.footer-links-list a:hover {
  color: white;
  transform: translateX(4px);
}

/* 页脚联系方式 */
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 600px) {
  .footer-contact-item {
    justify-content: center;
  }
}

.footer-contact-icon {
  font-size: 16px;
}

/* 页脚底部 */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* 微信二维码弹窗 */
.wechat-qr-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.wechat-qr-modal.show {
  opacity: 1;
  visibility: visible;
}

.wechat-qr-content {
  background: white;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s;
}

.wechat-qr-modal.show .wechat-qr-content {
  transform: scale(1);
}

.wechat-qr-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f1f5f9;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  color: #64748b;
  transition: all 0.2s;
}

.wechat-qr-close:hover {
  background: #e2e8f0;
  color: #1e293b;
}

.wechat-qr-content h4 {
  font-size: 18px;
  color: #1e293b;
  margin-bottom: 20px;
}

.wechat-qr-placeholder {
  margin-bottom: 16px;
}

.wechat-id {
  font-size: 14px;
  color: #64748b;
}

/* ========================================
   页面Hero区域样式（通用）
   ======================================== */

.page-hero {
  position: relative;
  padding: var(--spacing-16) 0;
  text-align: center;
  overflow: hidden;
}

.page-hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--color-primary) 0%, 
    var(--color-primary-dark) 50%, 
    #0d47a1 100%);
  z-index: -1;
}

.page-hero-container {
  position: relative;
  z-index: 1;
  color: var(--color-white);
}

.page-hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.page-hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0;
}

/* ========================================
   新闻列表页样式
   ======================================== */

.section-news-list {
  background-color: var(--bg-secondary);
}

.news-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.news-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.news-card-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

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

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card-content {
  padding: var(--spacing-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card-meta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.news-card-date,
.news-card-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.news-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-3);
  line-height: var(--line-height-tight);
}

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

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

.news-card-summary {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  flex: 1;
}

.news-card-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.news-card-link:hover {
  color: var(--color-primary-dark);
}

/* 新闻空状态和错误状态 */
.news-empty,
.news-error {
  text-align: center;
  padding: var(--spacing-16) var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.news-empty p,
.news-error p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--spacing-4);
}

.loading-placeholder {
  text-align: center;
  padding: var(--spacing-8);
  color: var(--text-muted);
}

/* ========================================
   新闻详情页样式
   ======================================== */

.section-news-detail {
  background-color: var(--bg-secondary);
}

.news-detail {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.news-detail-header {
  padding: var(--spacing-8);
  border-bottom: 1px solid var(--color-gray-200);
}

.news-detail-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
  line-height: var(--line-height-tight);
}

.news-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.news-detail-image {
  width: 100%;
}

.news-detail-image img {
  width: 100%;
  height: auto;
  display: block;
}

.news-detail-content {
  padding: var(--spacing-8);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  line-height: var(--line-height-relaxed);
}

.news-detail-content p {
  margin-bottom: var(--spacing-4);
}

.news-detail-footer {
  padding: var(--spacing-6) var(--spacing-8);
  border-top: 1px solid var(--color-gray-200);
  background-color: var(--bg-secondary);
}

/* ========================================
   首页新闻区域样式
   ======================================== */

.home-news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

.home-news-card {
  display: flex;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.home-news-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: var(--spacing-2);
  background-color: var(--color-primary);
  border-radius: var(--border-radius);
  color: var(--color-white);
  text-align: center;
}

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

.home-news-month {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.home-news-content {
  flex: 1;
  min-width: 0;
}

.home-news-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-2);
  line-height: var(--line-height-tight);
}

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

.home-news-title a:hover {
  color: var(--color-primary);
}

.home-news-summary {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-more-link {
  display: inline-block;
  margin-top: var(--spacing-6);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.news-more-link:hover {
  color: var(--color-primary-dark);
}


/* ========================================
   首页新闻区域背景
   ======================================== */

.section-news {
  background-color: var(--bg-secondary);
}


/* ========================================
   关于我们样式
   ======================================== */

.section-about {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  margin-top: var(--spacing-12);
}

@media (max-width: 968px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* 左侧图片区域 */
.about-image {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  padding: 20px;
}

.about-image-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 40px;
  bottom: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 20px;
  opacity: 0.1;
}

.about-image-main {
  position: relative;
  background: white;
  border-radius: 16px;
  padding: 0;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.about-company-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
}

.about-stats {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}

.about-stat {
  flex: 1;
  background: white;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.about-stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* 右侧文字区域 */
.about-text {
  padding: 20px 0;
}

.about-heading {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.about-intro {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-desc {
  font-size: 15px;
  color: var(--text-tertiary);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* 特性列表 */
.about-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-feature {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.about-feature:hover {
  transform: translateX(8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-radius: 12px;
  font-size: 24px;
  flex-shrink: 0;
}

.about-feature-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.about-feature-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}


/* ========================================
   成功案例样式
   ======================================== */

.section-cases {
  background-color: var(--color-white);
}

.section-cases-list {
  background-color: var(--bg-secondary);
}

/* 首页案例网格 */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

/* 案例卡片 */
.case-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.case-card-header {
  margin-bottom: var(--spacing-3);
}

.case-card-industry {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background-color: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-full);
}

.case-card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.case-card-client {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-3);
}

.case-card-summary {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.case-card-results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.case-result-tag {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-2);
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success);
  font-size: var(--font-size-xs);
  border-radius: var(--border-radius);
}

.case-card-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
}

.case-card-link:hover {
  color: var(--color-primary-dark);
}

.cases-more-link {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.cases-more-link:hover {
  color: var(--color-primary-dark);
}

/* 案例列表页 */
.cases-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.case-list-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-8);
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.case-list-meta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
}

.case-list-industry {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background-color: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-full);
}

.case-list-client {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.case-list-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-3);
}

.case-list-title a {
  color: var(--text-primary);
  text-decoration: none;
}

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

.case-list-summary {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.case-list-results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.case-list-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
}

.case-list-link:hover {
  color: var(--color-primary-dark);
}

/* 案例详情页 */
.section-case-detail {
  background-color: var(--bg-secondary);
}

.case-detail {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.case-detail-header {
  padding: var(--spacing-8);
  border-bottom: 1px solid var(--color-gray-200);
}

.case-back-link {
  display: inline-block;
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-decoration: none;
}

.case-back-link:hover {
  color: var(--color-primary-dark);
}

.case-detail-meta {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.case-detail-industry {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background-color: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-full);
}

.case-detail-client {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.case-detail-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.case-detail-summary {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.case-detail-section {
  padding: var(--spacing-8);
  border-bottom: 1px solid var(--color-gray-200);
}

.case-section-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.case-section-content {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

.case-results-section {
  background-color: var(--bg-secondary);
}

/* 架构图样式 */
.case-architecture-section {
  background-color: var(--color-white);
}

.case-architecture-image {
  text-align: center;
  padding: var(--spacing-4);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
}

.case-architecture-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

/* 价值收益样式 */
.case-benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.case-benefit-item {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
}

.case-benefit-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-3);
}

.case-benefit-content {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* 项目介绍样式 */
.case-introduction-content {
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.case-intro-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
}

.case-intro-text:last-child {
  margin-bottom: 0;
}

.case-challenge-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-4) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.case-challenge-list li {
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
  border-left: 3px solid var(--color-error);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

.case-challenge-list li strong {
  color: var(--text-primary);
}

/* 需求分析样式 */
.case-requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-4);
}

.case-requirement-card {
  background-color: var(--color-white);
  padding: var(--spacing-5);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  border-top: 3px solid var(--color-primary);
}

.case-requirement-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-3);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--border-color);
}

.case-requirement-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.case-requirement-list li {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  padding-left: var(--spacing-4);
  position: relative;
}

.case-requirement-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

.case-requirement-list li strong {
  color: var(--text-primary);
}

/* 核心成果高亮卡片样式 */
.case-highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-4);
}

.case-highlight-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-6);
  border-radius: var(--border-radius-lg);
  text-align: center;
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.case-highlight-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-2);
}

.case-highlight-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.case-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

.case-result-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.case-result-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success);
  border-radius: var(--border-radius-full);
  font-weight: var(--font-weight-bold);
}

.case-result-text {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.case-detail-cta {
  padding: var(--spacing-10);
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.case-detail-cta h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.case-detail-cta p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-6);
}

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

.case-detail-cta .btn-primary:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-100);
}

.case-error {
  text-align: center;
  padding: var(--spacing-16);
}

.case-error p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--spacing-6);
}

.cases-empty {
  text-align: center;
  padding: var(--spacing-8);
  color: var(--text-muted);
}

/* 响应式 - 案例 */
@media (min-width: 768px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .case-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cases-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}


/* ========================================
   优势展示区域
   ======================================== */

.section-advantages {
  padding: var(--spacing-16) 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  overflow: hidden;
}

.advantages-circle-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 中心圆环 */
.advantages-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
}

.advantages-center-ring {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 15px rgba(33, 150, 243, 0.1), 0 0 0 30px rgba(33, 150, 243, 0.05);
  animation: pulse-ring 3s ease-in-out infinite;
}

.advantages-center-inner {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(26, 115, 232, 0.4);
}

.advantages-center-inner span {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}

@keyframes pulse-ring {
  0%, 100% {
    box-shadow: 0 0 0 15px rgba(33, 150, 243, 0.1), 0 0 0 30px rgba(33, 150, 243, 0.05);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(33, 150, 243, 0.15), 0 0 0 40px rgba(33, 150, 243, 0.08);
  }
}

/* 优势项 */
.advantage-item {
  position: absolute;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 320px;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.advantage-item-1 {
  top: 10%;
  left: 0;
  animation-delay: 0.2s;
}

.advantage-item-2 {
  top: 10%;
  right: 0;
  flex-direction: row-reverse;
  text-align: right;
  animation-delay: 0.4s;
}

.advantage-item-3 {
  bottom: 10%;
  left: 0;
  animation-delay: 0.6s;
}

.advantage-item-4 {
  bottom: 10%;
  right: 0;
  flex-direction: row-reverse;
  text-align: right;
  animation-delay: 0.8s;
}

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

.advantage-icon {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a73e8 0%, #42a5f5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 16px rgba(26, 115, 232, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover .advantage-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 6px 24px rgba(26, 115, 232, 0.4);
}

.advantage-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.advantage-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 连接线动画 */
.advantages-circle-wrapper::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border: 2px dashed rgba(26, 115, 232, 0.2);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  animation: rotate-slow 30s linear infinite;
}

@keyframes rotate-slow {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 响应式 - 平板和移动端 */
@media (max-width: 992px) {
  .advantages-circle-wrapper {
    flex-direction: column;
    min-height: auto;
    padding: 60px 0;
  }
  
  .advantages-center {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin-bottom: 40px;
  }
  
  .advantages-circle-wrapper::before {
    display: none;
  }
  
  .advantage-item {
    position: relative;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    flex-direction: row !important;
    text-align: left !important;
    max-width: 100%;
    margin-bottom: 24px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
  
  .advantage-item:last-child {
    margin-bottom: 0;
  }
}

/* 认证轮播（在优势区域内） */
.certifications-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(26, 115, 232, 0.1);
}

.certifications-title {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 30px;
}

.certifications-marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: var(--spacing-4) 0;
}

.certifications-marquee::before,
.certifications-marquee::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.certifications-marquee::before {
  left: 0;
  background: linear-gradient(to right, #f8fafc, transparent);
}

.certifications-marquee::after {
  right: 0;
  background: linear-gradient(to left, #f8fafc, transparent);
}

.certifications-track {
  display: flex;
  gap: var(--spacing-6);
  animation: marquee 30s linear infinite;
  width: max-content;
}

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

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

.certification-item {
  flex-shrink: 0;
  width: 220px;
  height: 160px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certification-item:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.certification-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .certifications-section {
    margin-top: 40px;
    padding-top: 30px;
  }
  
  .certifications-title {
    font-size: 20px;
  }
  
  .certification-item {
    width: 180px;
    height: 130px;
  }
  
  .certifications-track {
    gap: var(--spacing-4);
  }
}


/* ========================================
   解决方案区域
   ======================================== */

.section-solutions {
  padding: 80px 0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.solutions-header {
  text-align: center;
  margin-bottom: 50px;
}

.solutions-badge {
  display: inline-block;
  background: linear-gradient(135deg, #1a73e8 0%, #42a5f5 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.solution-card {
  display: flex;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  border: 1px solid #e8e8e8;
}

.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(26, 115, 232, 0.15);
  border-color: rgba(26, 115, 232, 0.3);
}

.solution-card-content {
  flex: 1;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.solution-icon-wrapper {
  margin-bottom: 20px;
}

.solution-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
}

.solution-icon-purple {
  background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
  box-shadow: 0 4px 12px rgba(155, 89, 182, 0.3);
}

.solution-icon-green {
  background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
  box-shadow: 0 4px 12px rgba(26, 188, 156, 0.3);
}

.solution-icon-red {
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.solution-title {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 12px;
}

.solution-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.3s ease;
  width: fit-content;
}

.solution-link:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(243, 156, 18, 0.4);
  color: #fff;
}

.solution-link span {
  transition: transform 0.3s ease;
}

.solution-link:hover span {
  transform: translateX(4px);
}

.solution-card-visual {
  width: 180px;
  min-width: 180px;
  background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.solution-visual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.visual-item {
  width: 48px;
  height: 48px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
}

.solution-card:hover .visual-item {
  animation: float 2s ease-in-out infinite;
}

.solution-card:hover .visual-item:nth-child(2) { animation-delay: 0.1s; }
.solution-card:hover .visual-item:nth-child(3) { animation-delay: 0.2s; }
.solution-card:hover .visual-item:nth-child(4) { animation-delay: 0.3s; }
.solution-card:hover .visual-item:nth-child(5) { animation-delay: 0.4s; }
.solution-card:hover .visual-item:nth-child(6) { animation-delay: 0.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* 解决方案架构图样式 */
.solutions-architecture {
  margin-top: var(--spacing-12);
  text-align: center;
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-8);
  box-shadow: var(--shadow);
}

.solutions-architecture-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.solutions-architecture-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-6);
}

.solutions-architecture-image {
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.solutions-architecture-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

/* 解决方案响应式 */
@media (max-width: 992px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .solution-card {
    flex-direction: column;
  }
  
  .solution-card-visual {
    width: 100%;
    min-width: auto;
    padding: 30px;
  }
  
  .solution-visual-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 576px) {
  .section-solutions {
    padding: 60px 0;
  }
  
  .solution-card-content {
    padding: 24px;
  }
  
  .solution-title {
    font-size: 18px;
  }
  
  .solution-desc {
    font-size: 13px;
  }
  
  .solution-visual-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ========================================
   联系页面社交图标样式
   ======================================== */

.contact-social-icons {
  display: flex;
  gap: var(--spacing-8);
  margin-top: var(--spacing-4);
  justify-content: flex-start;
}

.contact-social-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.contact-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-full);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.contact-social-link svg {
  width: 28px;
  height: 28px;
}

.contact-social-link:hover {
  transform: translateY(-2px);
}

.contact-social-link.wechat:hover {
  background-color: #07c160;
  color: white;
}

.contact-social-link.telegram:hover {
  background-color: #0088cc;
  color: white;
}

.contact-social-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

.contact-gongzhonghao-wrapper {
  margin-top: var(--spacing-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-gongzhonghao-wrapper p {
  margin-top: var(--spacing-2);
  margin-bottom: 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  width: 160px;
  text-align: center;
}

.contact-gongzhonghao-img {
  width: 160px;
  height: 160px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  display: block;
}


/* ========================================
   AWS Hero 幻灯片样式 (第三张轮播图)
   ======================================== */

/* AWS 幻灯片特殊背景 - 炫酷渐变 */
.hero-slide-aws {
  background: linear-gradient(135deg, 
    #667eea 0%, 
    #764ba2 25%, 
    #f093fb 50%, 
    #f5576c 75%,
    #ff9a9e 100%) !important;
  background-size: 400% 400%;
  animation: awsGradientShift 15s ease infinite;
}

@keyframes awsGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-slide-aws-overlay {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(240, 147, 251, 0.15) 100%) !important;
}

/* AWS 科技感背景 */
.aws-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 网格线 */
.aws-hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: awsGridMove 20s linear infinite;
}

@keyframes awsGridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(80px, 80px); }
}

/* 粒子效果 */
.aws-hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(3px 3px at 10% 20%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(2px 2px at 30% 60%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 50% 30%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(3px 3px at 70% 70%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(2px 2px at 90% 40%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 20% 80%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(3px 3px at 80% 15%, rgba(255, 255, 255, 0.7), transparent);
  background-size: 100% 100%;
  animation: awsParticleFloat 20s ease-in-out infinite;
}

@keyframes awsParticleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.5; }
  50% { transform: translateY(-30px) translateX(15px); opacity: 1; }
}

/* 光晕效果 */
.aws-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.aws-hero-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  top: -150px;
  left: -150px;
  animation: awsGlowPulse 10s ease-in-out infinite;
}

.aws-hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 70%);
  bottom: -100px;
  right: -100px;
  animation: awsGlowPulse 10s ease-in-out infinite 5s;
}

@keyframes awsGlowPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* AWS Hero 内容布局 */
.aws-hero-content {
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  padding-top: 100px;
}

.aws-content-active {
  animation: awsContentFadeIn 0.8s ease-out;
}

@keyframes awsContentFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* AWS 头部 */
.aws-hero-header {
  margin-bottom: 30px;
}

.aws-hero-label {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: #fff;
  margin-bottom: 16px;
  animation: awsLabelGlow 3s ease-in-out infinite;
}

@keyframes awsLabelGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.3); }
  50% { box-shadow: 0 0 40px rgba(255, 255, 255, 0.5); }
}

.aws-hero-title {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px 0;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.aws-hero-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

/* 资质证书展示 */
.aws-cert-showcase {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
  max-width: 900px;
}

.aws-cert-item {
  position: relative;
  width: 110px;
  height: 110px;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.98);
  border: 3px solid rgba(255, 255, 255, 0.8);
  padding: 10px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: awsCertFloat 4s ease-in-out infinite;
  animation-delay: var(--delay);
  box-shadow: 
    0 10px 40px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.5),
    inset 0 0 20px rgba(255, 255, 255, 0.5);
}

.aws-cert-item:hover {
  transform: translateY(-12px) scale(1.15);
  border-color: #FF9900;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.25),
    0 0 50px rgba(255, 153, 0, 0.4),
    0 0 0 2px #FF9900;
  z-index: 10;
}

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

.aws-cert-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 80%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255, 153, 0, 0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.aws-cert-item:hover .aws-cert-glow {
  opacity: 1;
}

.aws-cert-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  filter: none;
  transition: filter 0.3s ease;
}

.aws-cert-item:hover .aws-cert-img {
  filter: brightness(1.2) drop-shadow(0 0 10px rgba(255, 153, 0, 0.5));
}

/* 优势标签 */
.aws-hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

.aws-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  transition: all 0.3s ease;
}

.aws-hero-tag:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.aws-hero-tag svg {
  color: #FFD700;
}

/* AWS 按钮样式 */
.btn-aws-primary {
  background: linear-gradient(135deg, #FF9900 0%, #FFCC00 100%);
  color: #0d1117;
  border: none;
  box-shadow: 0 4px 25px rgba(255, 153, 0, 0.5);
  font-weight: 600;
}

.btn-aws-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(255, 153, 0, 0.6);
  color: #0d1117;
}

.btn-aws-outline {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-aws-outline:hover {
  border-color: #fff;
  color: #667eea;
  background: #fff;
}

/* 默认内容层样式 */
.hero-default-content {
  display: flex;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .aws-hero-title {
    font-size: 28px;
  }
  
  .aws-hero-label {
    font-size: 10px;
    padding: 6px 14px;
  }
  
  .aws-cert-showcase {
    gap: 12px;
  }
  
  .aws-cert-item {
    width: 70px;
    height: 70px;
    padding: 6px;
  }
  
  .aws-hero-tags {
    gap: 8px;
  }
  
  .aws-hero-tag {
    padding: 8px 14px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .aws-hero-content {
    padding-top: 80px;
  }
  
  .aws-hero-title {
    font-size: 24px;
  }
  
  .aws-cert-item {
    width: 60px;
    height: 60px;
    padding: 5px;
  }
  
  .aws-hero-tag {
    padding: 6px 12px;
    font-size: 11px;
  }
}

/* ========================================
   Bedrock AI 幻灯片样式
   ======================================== */

/* Bedrock 幻灯片特殊背景 - 深蓝紫AI科技感渐变 */
.hero-slide-bedrock {
  background: linear-gradient(135deg, 
    #0f0c29 0%, 
    #302b63 35%, 
    #24243e 70%,
    #0f0c29 100%) !important;
  background-size: 400% 400%;
  animation: bedrockGradientShift 20s ease infinite;
}

@keyframes bedrockGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-slide-bedrock-overlay {
  background: linear-gradient(135deg, rgba(15, 12, 41, 0.3) 0%, rgba(48, 43, 99, 0.2) 100%) !important;
}

/* Bedrock 科技感背景 */
.bedrock-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 网格线 - AI神经网络感 */
.bedrock-hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(138, 43, 226, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 43, 226, 0.1) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: bedrockGridMove 30s linear infinite;
}

@keyframes bedrockGridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(80px, 80px); }
}

/* 粒子效果 - AI数据流 */
.bedrock-hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 10% 20%, rgba(138, 43, 226, 0.8), transparent),
    radial-gradient(3px 3px at 30% 60%, rgba(0, 212, 255, 0.6), transparent),
    radial-gradient(2px 2px at 50% 30%, rgba(138, 43, 226, 0.7), transparent),
    radial-gradient(2px 2px at 70% 70%, rgba(0, 212, 255, 0.5), transparent),
    radial-gradient(3px 3px at 90% 40%, rgba(138, 43, 226, 0.6), transparent),
    radial-gradient(2px 2px at 20% 80%, rgba(0, 212, 255, 0.4), transparent),
    radial-gradient(2px 2px at 80% 15%, rgba(138, 43, 226, 0.7), transparent);
  background-size: 100% 100%;
  animation: bedrockParticleFloat 25s ease-in-out infinite;
}

@keyframes bedrockParticleFloat {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.5; }
  50% { transform: translateY(-40px) translateX(20px); opacity: 1; }
}

/* 光晕效果 */
.bedrock-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}

.bedrock-hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.4) 0%, transparent 70%);
  top: -200px;
  left: -200px;
  animation: bedrockGlowPulse 12s ease-in-out infinite;
}

.bedrock-hero-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation: bedrockGlowPulse 12s ease-in-out infinite 6s;
}

@keyframes bedrockGlowPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.4); opacity: 0.7; }
}

/* Bedrock Hero 内容布局 */
.bedrock-hero-content {
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  padding-top: 0;
  padding-bottom: 60px;
  justify-content: center;
  min-height: calc(100vh - 64px);
}

.bedrock-content-active {
  animation: bedrockContentFadeIn 0.8s ease-out;
}

@keyframes bedrockContentFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Bedrock 头部 */
.bedrock-hero-header {
  margin-bottom: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bedrock-logo-wrapper {
  margin-bottom: 16px;
}

.bedrock-main-logo {
  width: 180px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(138, 43, 226, 0.5));
  animation: bedrockLogoGlow 3s ease-in-out infinite;
}

@keyframes bedrockLogoGlow {
  0%, 100% { filter: drop-shadow(0 0 30px rgba(138, 43, 226, 0.5)); }
  50% { filter: drop-shadow(0 0 50px rgba(0, 212, 255, 0.7)); }
}

.bedrock-hero-label {
  display: inline-block;
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.3) 0%, rgba(0, 212, 255, 0.2) 100%);
  border: 1px solid rgba(138, 43, 226, 0.5);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: #00d4ff;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.bedrock-hero-title {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px 0;
  line-height: 1.2;
  text-shadow: 0 0 40px rgba(138, 43, 226, 0.5);
}

.bedrock-hero-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
  max-width: 600px;
}

/* AI模型展示 */
.bedrock-models-showcase {
  margin: 25px 0;
}

.bedrock-models-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.bedrock-models-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.bedrock-model-item {
  position: relative;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: 20px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: bedrockModelFloat 6s ease-in-out infinite;
  animation-delay: var(--delay);
}

@keyframes bedrockModelFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.bedrock-model-item:hover {
  transform: translateY(-15px) scale(1.1);
  border-color: #00d4ff;
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
}

.bedrock-model-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.bedrock-model-item:hover .bedrock-model-glow {
  opacity: 1;
}

.bedrock-model-img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  filter: brightness(1.1);
  transition: filter 0.3s ease;
}

.bedrock-model-item:hover .bedrock-model-img {
  filter: brightness(1.3) drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.bedrock-model-name {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

/* Bedrock 优势标签 */
.bedrock-hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 20px 0;
}

.bedrock-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  transition: all 0.3s ease;
}

.bedrock-hero-tag:hover {
  background: rgba(138, 43, 226, 0.2);
  border-color: rgba(0, 212, 255, 0.5);
  transform: translateY(-2px);
}

.bedrock-tag-icon {
  font-size: 16px;
}

/* Bedrock 按钮样式 */
.btn-bedrock-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #8a2be2 0%, #00d4ff 100%);
  color: #fff;
  border: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(138, 43, 226, 0.4);
  transition: all 0.3s ease;
}

.btn-bedrock-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.5);
  color: #fff;
}

.btn-bedrock-primary svg {
  transition: transform 0.3s ease;
}

.btn-bedrock-primary:hover svg {
  transform: translateX(5px);
}

.btn-bedrock-outline {
  padding: 16px 32px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  color: #fff;
  border: 2px solid rgba(138, 43, 226, 0.5);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-bedrock-outline:hover {
  background: rgba(138, 43, 226, 0.2);
  border-color: #00d4ff;
  color: #fff;
}

/* Bedrock 响应式 */
@media (max-width: 768px) {
  .bedrock-hero-content {
    padding-bottom: 40px;
  }
  
  .bedrock-main-logo {
    width: 140px;
  }
  
  .bedrock-hero-title {
    font-size: 32px;
  }
  
  .bedrock-hero-subtitle {
    font-size: 16px;
  }
  
  .bedrock-models-grid {
    gap: 20px;
  }
  
  .bedrock-model-item {
    width: 85px;
    height: 85px;
    padding: 12px;
  }
  
  .bedrock-model-img {
    width: 40px;
    height: 40px;
  }
  
  .bedrock-hero-tags {
    gap: 8px;
  }
  
  .bedrock-hero-tag {
    padding: 8px 14px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .bedrock-hero-content {
    padding-bottom: 30px;
  }
  
  .bedrock-main-logo {
    width: 120px;
  }
  
  .bedrock-hero-title {
    font-size: 26px;
  }
  
  .bedrock-model-item {
    width: 75px;
    height: 75px;
    padding: 10px;
  }
  
  .bedrock-model-img {
    width: 35px;
    height: 35px;
  }
  
  .bedrock-model-name {
    font-size: 10px;
  }
  
  .bedrock-hero-tag {
    padding: 6px 12px;
    font-size: 11px;
  }
}