/* 云启数仓 - 公共样式 */

/* 设计令牌 */
:root {
  /* 主色调 - Sky Blue */
  --color-primary-500: #38bdf8;
  --color-primary-600: #60a5fa;
  --color-primary-gradient: linear-gradient(135deg, #38bdf8 0%, #60a5fa 100%);

  /* 背景色 */
  --color-background-primary: #0f172a;
  --color-background-secondary: #112222;
  --color-background-gradient: linear-gradient(135deg, #0f172a 0%, #112222 100%);

  /* 文本颜色 */
  --color-text-primary: #e2e8f0;
  --color-text-secondary: #cbd5e1;
  --color-text-tertiary: #94a3b8;
  --color-text-heading: #f8fafc;

  /* 边框色 */
  --color-border: rgba(56, 189, 248, 0.1);
  --color-border-hover: rgba(56, 189, 248, 0.3);

  /* 字体 */
  --font-family-primary: "Inter", "Microsoft YaHei", sans-serif;

  /* 阴影 */
  --shadow-sm: 0 4px 12px rgba(56, 189, 248, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 20px rgba(56, 189, 248, 0.4);
  --shadow-xl: 0 8px 30px rgba(0, 0, 0, 0.3);

  /* 过渡 */
  --transition-base: all 0.3s ease;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-family-primary);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-background-gradient);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
.header {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 88px;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  transition: var(--transition-base);
}

.logo:hover {
  transform: translateY(-2px);
}

.logo i {
  margin-right: 12px;
  font-size: 32px;
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: 48px;
  list-style: none;
}

.nav-menu li a {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
  position: relative;
  padding: 8px 0;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  color: var(--color-primary-500);
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-gradient);
  transition: width 0.3s ease;
}

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

/* 按钮 */
.btn {
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition-base);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--color-primary-gradient);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(17, 34, 34, 0.8);
  color: var(--color-primary-500);
  border: 2px solid var(--color-primary-500);
}

.btn-secondary:hover {
  background: var(--color-primary-500);
  color: #fff;
  transform: translateY(-2px);
}

.btn-tertiary {
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-primary-500);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.btn-tertiary:hover {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--color-primary-500);
  transform: translateY(-1px);
}

.nav-login {
  display: flex;
  gap: 20px;
  align-items: center;
}

/* 主容器 */
.main-container {
  margin-top: 88px;
  min-height: calc(100vh - 88px);
}

/* 页面头部 */
.page-header {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(17, 34, 34, 0.9) 100%);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 24px;
  line-height: 1.2;
  animation: fadeInUp 0.8s ease;
}

.page-desc {
  font-size: 20px;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
  animation: fadeInUp 0.8s ease 0.2s both;
}

/* 区块标题 */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-tertiary);
  max-width: 600px;
  margin: 0 auto;
}

/* 英雄区 */
.hero {
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-text {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 20px;
  color: var(--color-primary-500);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.2;
  margin-bottom: 16px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-title span {
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-btns {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
  display: flex;
  gap: 32px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-image-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.hero-image-container img {
  width: 100%;
  display: block;
}

.hero-image-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.feature-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  color: var(--color-text-heading);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--color-border);
}

.feature-tag i {
  color: var(--color-primary-500);
}

/* 政策预警 */
.policy-alert {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
  margin-top: 40px;
}

.alert-icon {
  width: 48px;
  height: 48px;
  background: rgba(239, 68, 68, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.alert-icon i {
  font-size: 24px;
  color: #ef4444;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-size: 16px;
  font-weight: 600;
  color: #ef4444;
  margin-bottom: 4px;
}

.alert-text {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.alert-btn {
  padding: 10px 20px;
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition-base);
  white-space: nowrap;
}

.alert-btn:hover {
  background: #ef4444;
  color: #fff;
}

/* 功能板块 */
.features {
  padding: 60px 0;
  background: rgba(15, 23, 42, 0.9);
}

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

.feature-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition-base);
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.feature-card .btn {
  margin-top: 16px;
  padding: 10px 20px;
  font-size: 14px;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  flex-shrink: 0;
}

.feature-icon i {
  font-size: 26px;
  color: var(--color-primary-500);
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  flex: 1;
}

/* 统计数据 */
.stats {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f4c81, #1a5f99);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

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

.stats .stat-number {
  font-size: 48px;
  font-weight: 700;
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats .stat-label {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* 案例板块 */
.cases {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.95);
}

.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.case-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--color-border);
  transition: var(--transition-base);
  animation: fadeInUp 0.8s ease both;
}

.case-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-xl);
}

.case-header {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.case-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.case-desc {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.case-content .feature-desc {
  margin-bottom: 20px;
}

.case-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-data-item {
  text-align: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
}

.case-data-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.case-data-text {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* 服务卡片 */
.services-section {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.service-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  transition: var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--color-primary-gradient);
}

.service-icon i {
  font-size: 32px;
  color: var(--color-primary-500);
  transition: var(--transition-base);
}

.service-card:hover .service-icon i {
  color: #fff;
  transform: scale(1.1);
}

.service-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 16px;
}

.service-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.service-list {
  list-style: none;
  text-align: left;
  margin-top: 20px;
}

.service-list li {
  color: var(--color-text-tertiary);
  margin-bottom: 10px;
  padding-left: 24px;
  position: relative;
}

.service-list li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
}

/* 团队板块 */
.team-section {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.team-member {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.team-member:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.team-member:hover::before {
  transform: scaleX(1);
}

.member-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: all 0.4s ease;
  font-size: 48px;
  color: var(--color-primary-500);
}

.team-member:hover .member-avatar {
  background: var(--color-primary-gradient);
  color: #fff;
  transform: scale(1.05);
}

.member-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.member-title {
  color: var(--color-primary-500);
  font-size: 14px;
  margin-bottom: 16px;
}

.member-desc {
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* 咨询流程 */
.process-section {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.95);
}

.process-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
}

.process-step {
  flex: 1;
  min-width: 200px;
  text-align: center;
  position: relative;
  animation: fadeInUp 0.8s ease both;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #38bdf8, transparent);
}

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

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
  transition: all 0.4s ease;
}

.process-step:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(56, 189, 248, 0.4);
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 12px;
}

.step-desc {
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* 联系表单 */
.contact-section {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.contact-form {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 8px;
  font-size: 16px;
  color: var(--color-text-primary);
  transition: all 0.3s ease;
  background: rgba(15, 23, 42, 0.8);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
  background: rgba(15, 23, 42, 0.9);
}

.form-group textarea {
  resize: vertical;
  min-height: 180px;
}

.form-submit {
  text-align: center;
  margin-top: 40px;
}

/* 页脚 */
.footer {
  background: #0f172a;
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  font-size: 32px;
  font-weight: 700;
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo i {
  margin-right: 12px;
}

.footer-desc {
  color: var(--color-text-tertiary);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-primary-gradient);
}

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

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

.footer-links li a {
  color: var(--color-text-tertiary);
  transition: var(--transition-base);
}

.footer-links li a:hover {
  color: var(--color-primary-500);
}

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

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

.footer-contact li i {
  color: var(--color-primary-500);
  width: 16px;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid #1e293b;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

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

/* 移动端菜单 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #1e293b;
  z-index: 1001;
  padding: 60px 20px 20px;
  transition: right 0.3s ease;
}

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

.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 24px;
  cursor: pointer;
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.mobile-menu ul li a {
  display: block;
  padding: 14px 0;
  color: #e2e8f0;
  font-size: 16px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
}

.mobile-menu ul li a.active,
.mobile-menu ul li a:hover {
  color: #38bdf8;
}

.mobile-menu .nav-login {
  display: flex;
  gap: 12px;
  flex-direction: column;
}

.mobile-menu .btn {
  flex: 1;
  text-align: center;
  justify-content: center;
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

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

  .hero-image-overlay {
    justify-content: center;
  }

  .policy-alert {
    flex-direction: column;
    text-align: center;
  }

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

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

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

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

  .consulting-team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-login {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

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

  .mobile-menu {
    display: block;
  }

  .hero-title {
    font-size: 36px;
  }

  .page-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }

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

  .case-data {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

  .footer-logo,
  .footer-title {
    justify-content: center;
  }

  .footer-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .services-section,
  .process-section,
  .team-section,
  .cases-section,
  .contact-section,
  .features,
  .stats {
    padding: 60px 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .services-grid,
  .team-grid,
  .features-grid,
  .case-list {
    grid-template-columns: 1fr;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-step {
    min-width: 100%;
    margin-bottom: 40px;
  }
}

/* ==================== 市场动态页面样式 ==================== */
.market-tabs {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.market-tab-btn {
  padding: 12px 32px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.market-tab-btn:hover,
.market-tab-btn.active {
  background: var(--color-primary-gradient);
  color: #fff;
  border-color: transparent;
}

.market-section {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.market-news-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
  display: block;
  text-decoration: none;
}

.market-news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.news-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--color-primary-500);
}

.news-content {
  padding: 24px;
}

.news-category {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-primary-500);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.news-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-title:hover {
  color: var(--color-primary-500);
}

.news-desc {
  font-size: 14px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.news-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-meta i {
  color: var(--color-primary-500);
}

/* 价格板块 */
.price-section {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.price-card {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--color-border);
  transition: all 0.4s ease;
  cursor: pointer;
  animation: fadeInUp 0.8s ease both;
}

.price-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-5px);
}

.price-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.price-country {
  display: flex;
  align-items: center;
  gap: 12px;
}

.price-flag {
  font-size: 32px;
}

.price-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-heading);
}

.price-badge {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.price-badge.up {
  background: rgba(74, 222, 128, 0.1);
  color: #4ade80;
}

.price-badge.down {
  background: rgba(248, 113, 113, 0.1);
  color: #f87171;
}

.price-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.price-unit {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.price-change {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.price-trend {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-primary-500);
}

/* 新闻分类筛选 */
.category-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.category-btn {
  padding: 8px 20px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-base);
}

.category-btn:hover,
.category-btn.active {
  background: var(--color-primary-500);
  color: #0f172a;
  border-color: var(--color-primary-500);
}

/* ==================== 西冷师傅页面样式 ==================== */
.ai-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(17, 34, 34, 0.95) 100%);
  position: relative;
  overflow: hidden;
}

.ai-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.ai-text {
  flex: 1;
}

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

.ai-avatar-display {
  width: 100%;
  max-width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  animation: fadeInUp 0.8s ease 0.5s both;
}

.ai-avatar-display i {
  font-size: 120px;
  color: var(--color-primary-500);
}

.ai-name {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.ai-hint {
  font-size: 16px;
  color: var(--color-text-tertiary);
}

.ai-hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.ai-hero-title span {
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ai-hero-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.ai-hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.ai-stats {
  display: flex;
  gap: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.ai-stat-item {
  text-align: center;
}

.ai-stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.ai-stat-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* 功能特点 */
.ai-features {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ai-feature-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.ai-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.ai-feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.ai-feature-card:hover::before {
  transform: scaleX(1);
}

.ai-feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all 0.4s ease;
}

.ai-feature-card:hover .ai-feature-icon {
  background: var(--color-primary-gradient);
}

.ai-feature-icon i {
  font-size: 26px;
  color: var(--color-primary-500);
  transition: all 0.4s ease;
}

.ai-feature-card:hover .ai-feature-icon i {
  color: #fff;
  transform: scale(1.1);
}

.ai-feature-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 10px;
}

.ai-feature-desc {
  font-size: 14px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* 使用场景 */
.ai-cases {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.ai-case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.ai-case-card {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.ai-case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.ai-case-header {
  background: var(--color-primary-gradient);
  color: #fff;
  padding: 32px;
}

.ai-case-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.ai-case-desc {
  font-size: 14px;
  opacity: 0.9;
}

.ai-case-content {
  padding: 32px;
}

.ai-case-data {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 24px;
}

.ai-case-data-item {
  text-align: center;
}

.ai-case-data-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.ai-case-data-text {
  font-size: 14px;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

/* ==================== 咨询服务页面样式 ==================== */
.consulting-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(17, 34, 34, 0.95) 100%);
  position: relative;
  overflow: hidden;
}

.consulting-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.consulting-text {
  flex: 1;
}

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

.consulting-icon-display {
  width: 100%;
  max-width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  animation: fadeInUp 0.8s ease 0.5s both;
}

.consulting-icon-display i {
  font-size: 120px;
  color: var(--color-primary-500);
}

.consulting-title-text {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.consulting-hint {
  font-size: 16px;
  color: var(--color-text-tertiary);
}

.consulting-hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.consulting-hero-title span {
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.consulting-hero-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.consulting-hero-btns {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.consulting-stats {
  display: flex;
  gap: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.consulting-stat-item {
  text-align: center;
}

.consulting-stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.consulting-stat-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* 服务内容 */
.consulting-services {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.consulting-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.consulting-service-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.consulting-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.consulting-service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.consulting-service-card:hover::before {
  transform: scaleX(1);
}

.consulting-service-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  transition: all 0.4s ease;
}

.consulting-service-card:hover .consulting-service-icon {
  background: var(--color-primary-gradient);
}

.consulting-service-icon i {
  font-size: 32px;
  color: var(--color-primary-500);
  transition: all 0.4s ease;
}

.consulting-service-card:hover .consulting-service-icon i {
  color: #fff;
  transform: scale(1.1);
}

.consulting-service-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 12px;
}

.consulting-service-desc {
  font-size: 15px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

.consulting-service-list {
  list-style: none;
  text-align: left;
  margin-top: 20px;
}

.consulting-service-list li {
  color: var(--color-text-tertiary);
  margin-bottom: 10px;
  padding-left: 24px;
  position: relative;
}

.consulting-service-list li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
}

/* 咨询流程 */
.consulting-process {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.consulting-process-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
}

.consulting-process-step {
  flex: 1;
  min-width: 200px;
  text-align: center;
  position: relative;
  animation: fadeInUp 0.8s ease both;
}

.consulting-process-step::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #38bdf8, transparent);
}

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

.consulting-step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
  transition: all 0.4s ease;
}

.consulting-process-step:hover .consulting-step-number {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(56, 189, 248, 0.4);
}

.consulting-step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 12px;
}

.consulting-step-desc {
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* 联系表单 */
.consulting-contact {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

/* 专家团队 */
.consulting-team {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.consulting-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.consulting-team-member {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.consulting-team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.consulting-team-member:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.consulting-team-member:hover::before {
  transform: scaleX(1);
}

.consulting-member-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all 0.4s ease;
  font-size: 32px;
  color: var(--color-primary-500);
}

.consulting-team-member:hover .consulting-member-avatar {
  background: var(--color-primary-gradient);
  color: #fff;
  transform: scale(1.05);
}

.consulting-member-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.consulting-member-title {
  color: var(--color-primary-500);
  font-size: 14px;
  margin-bottom: 16px;
}

.consulting-member-desc {
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

/* 客户案例 */
.consulting-cases {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.consulting-cases-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.consulting-case-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.consulting-case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.consulting-case-header {
  background: var(--color-primary-gradient);
  color: #fff;
  padding: 32px;
}

.consulting-case-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.consulting-case-desc {
  font-size: 14px;
  opacity: 0.9;
}

.consulting-case-content {
  padding: 32px;
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

.consulting-case-content p {
  margin-bottom: 20px;
}

.consulting-case-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.consulting-case-data-item {
  text-align: center;
  padding: 16px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
}

.consulting-case-data-num {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.consulting-case-data-text {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* ==================== 数字化平台页面样式 ==================== */
.digital-features {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.digital-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.digital-feature-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.digital-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary-gradient);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.digital-feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.digital-feature-card:hover::before {
  transform: scaleX(1);
}

.digital-feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  transition: all 0.4s ease;
}

.digital-feature-card:hover .digital-feature-icon {
  background: var(--color-primary-gradient);
}

.digital-feature-icon i {
  font-size: 40px;
  color: var(--color-primary-500);
  transition: all 0.4s ease;
}

.digital-feature-card:hover .digital-feature-icon i {
  color: #fff;
  transform: scale(1.1);
}

.digital-feature-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 16px;
}

.digital-feature-desc {
  font-size: 15px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.digital-feature-list {
  list-style: none;
  text-align: left;
}

.digital-feature-list li {
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
  line-height: 1.5;
}

.digital-feature-list li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
}

/* 系统优势 */
.digital-advantages {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f4c81, #1a5f99);
}

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

.digital-advantage-card {
  text-align: center;
  padding: 28px 20px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--color-border);
  position: relative;
  animation: fadeInUp 0.8s ease both;
}

.digital-advantage-card::after {
  display: none;
}

.digital-advantage-card:last-child::after {
  display: none;
}

.digital-advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.digital-advantage-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all 0.4s ease;
}

.digital-advantage-card:hover .digital-advantage-icon {
  background: var(--color-primary-gradient);
}

.digital-advantage-icon i {
  font-size: 28px;
  color: var(--color-primary-500);
  transition: all 0.4s ease;
}

.digital-advantage-card:hover .digital-advantage-icon i {
  color: #fff;
  transform: scale(1.1);
}

.digital-advantage-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 10px;
}

.digital-advantage-desc {
  font-size: 14px;
  color: var(--color-text-tertiary);
  line-height: 1.5;
}

/* 客户案例 */
.digital-cases {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.digital-case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.digital-case-card {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.8s ease both;
}

.digital-case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-border-hover);
}

.digital-case-header {
  background: var(--color-primary-gradient);
  color: #fff;
  padding: 32px;
}

.digital-case-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.digital-case-desc {
  font-size: 14px;
  opacity: 0.9;
}

.digital-case-content {
  padding: 32px;
  color: var(--color-text-tertiary);
  line-height: 1.7;
}

/* ==================== 价格历史页面样式 ==================== */
.price-history-hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(17, 34, 34, 0.95) 100%);
  position: relative;
  overflow: hidden;
}

.price-history-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.price-history-text {
  flex: 1;
}

.price-history-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.price-history-title span {
  background: var(--color-primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-history-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.price-history-stats {
  display: flex;
  gap: 48px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.price-history-stat-item {
  text-align: center;
}

.price-history-stat-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary-500);
  margin-bottom: 4px;
}

.price-history-stat-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* 价格图表区域 */
.price-chart-section {
  padding: 100px 0;
  background: rgba(15, 23, 42, 0.9);
}

.price-chart-container {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

.price-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.price-chart-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-heading);
}

.price-filter-tabs {
  display: flex;
  gap: 8px;
}

.price-filter-btn {
  padding: 8px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-base);
}

.price-filter-btn:hover,
.price-filter-btn.active {
  background: var(--color-primary-500);
  color: #fff;
  border-color: var(--color-primary-500);
}

.price-chart {
  height: 400px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.price-chart-placeholder {
  text-align: center;
  color: var(--color-text-tertiary);
}

.price-chart-placeholder i {
  font-size: 64px;
  color: var(--color-primary-500);
  margin-bottom: 16px;
}

.price-legend {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.price-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.price-legend-color {
  width: 16px;
  height: 4px;
  border-radius: 2px;
}

/* 历史数据表格 */
.price-history-section {
  padding: 100px 0;
  background: rgba(30, 41, 59, 0.8);
}

.price-history-table {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.price-history-table table {
  width: 100%;
  border-collapse: collapse;
}

.price-history-table th,
.price-history-table td {
  padding: 16px 20px;
  text-align: left;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.price-history-table th {
  background: rgba(30, 41, 59, 0.8);
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: 14px;
}

.price-history-table tr:last-child td {
  border-bottom: none;
}

.price-history-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

/* 响应式 */
@media (max-width: 1024px) {
  .ai-content,
  .consulting-content,
  .price-history-content {
    flex-direction: column;
    text-align: center;
  }

  .ai-hero-btns,
  .consulting-hero-btns,
  .price-history-hero-btns {
    justify-content: center;
  }

  .ai-stats,
  .consulting-stats,
  .price-history-stats {
    justify-content: center;
  }

  .digital-advantages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .ai-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .digital-advantage-card::after {
    display: none;
  }

  .consulting-process-step::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .ai-hero,
  .consulting-hero,
  .price-history-hero {
    padding: 100px 0 60px;
  }

  .ai-hero-title,
  .consulting-hero-title,
  .price-history-title {
    font-size: 32px;
  }

  .ai-hero-desc,
  .consulting-hero-desc,
  .price-history-desc {
    font-size: 16px;
  }

  .ai-stats,
  .consulting-stats,
  .price-history-stats {
    gap: 24px;
  }

  .ai-stat-number,
  .consulting-stat-number,
  .price-history-stat-number {
    font-size: 24px;
  }

  .ai-avatar-display,
  .consulting-icon-display {
    height: 280px;
  }

  .ai-avatar-display i,
  .consulting-icon-display i {
    font-size: 80px;
  }

  .ai-features,
  .ai-cases,
  .consulting-services,
  .consulting-process,
  .consulting-contact,
  .consulting-team,
  .consulting-cases,
  .digital-features,
  .digital-advantages,
  .digital-cases,
  .market-section,
  .price-section,
  .price-chart-section,
  .price-history-section {
    padding: 60px 0;
  }

  .ai-features-grid,
  .ai-case-list,
  .consulting-services-grid,
  .consulting-process-steps,
  .consulting-team-grid,
  .consulting-cases-list,
  .digital-features-grid,
  .digital-advantages-grid,
  .digital-case-list,
  .market-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .ai-feature-card,
  .ai-case-card,
  .consulting-service-card,
  .consulting-process-step,
  .consulting-team-member,
  .consulting-case-card,
  .digital-feature-card,
  .digital-advantage-card,
  .digital-case-card {
    padding: 30px 20px;
  }

  .market-tabs {
    flex-direction: column;
  }

  .market-tab-btn {
    width: 100%;
    text-align: center;
  }

  .category-filter {
    justify-content: center;
  }

  .price-chart-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .price-chart {
    height: 300px;
  }

  .consulting-case-data {
    grid-template-columns: 1fr;
  }

  .consulting-process-step {
    margin-bottom: 40px;
  }
}

/* ==================== 价格历史页面额外样式 ==================== */

/* 返回按钮 */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: var(--transition-base);
  margin-bottom: 32px;
}

.back-btn:hover {
  background: var(--color-primary-500);
  color: #fff;
  border-color: var(--color-primary-500);
}

.back-btn i {
  font-size: 12px;
}

/* 价格概览 */
.price-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.overview-card {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.overview-label {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin-bottom: 12px;
}

.overview-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.overview-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.overview-change {
  font-size: 14px;
  color: var(--color-primary-500);
}

.overview-change.badge-down {
  color: #f87171;
}

/* 时间筛选 */
.time-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.time-btn {
  padding: 10px 24px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.time-btn:hover,
.time-btn.active {
  background: var(--color-primary-500);
  color: #fff;
  border-color: var(--color-primary-500);
}

/* 价格图表容器 */
.price-chart-container {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.price-chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.price-chart-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-heading);
}

.price-chart {
  height: 350px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.price-chart-placeholder {
  text-align: center;
  color: var(--color-text-tertiary);
}

.price-chart-placeholder i {
  font-size: 64px;
  color: var(--color-primary-500);
  margin-bottom: 16px;
  display: block;
}

.price-chart-placeholder p {
  font-size: 16px;
}

.price-legend {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.price-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.price-legend-color {
  width: 16px;
  height: 4px;
  border-radius: 2px;
}

/* 表格样式 */
.price-history-table {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.price-history-table table {
  width: 100%;
  border-collapse: collapse;
}

.price-history-table th,
.price-history-table td {
  padding: 16px 20px;
  text-align: left;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.price-history-table th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: 14px;
}

.price-history-table tr:last-child td {
  border-bottom: none;
}

.price-history-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

.change-up {
  color: #4ade80 !important;
}

.change-down {
  color: #f87171 !important;
}

/* 响应式 - 价格历史 */
@media (max-width: 1024px) {
  .price-overview {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .price-overview {
    grid-template-columns: 1fr;
  }

  .time-filters {
    flex-wrap: wrap;
  }

  .time-btn {
    flex: 1;
    min-width: calc(50% - 6px);
    text-align: center;
  }

  .price-chart {
    height: 250px;
  }

  .price-chart-container {
    padding: 20px;
  }

  .price-history-table {
    overflow-x: auto;
  }

  .price-history-table table {
    min-width: 600px;
  }
}

/* ==================== 价格历史模态框样式 ==================== */
.price-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.price-modal.active {
  display: flex;
}

.price-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.price-modal-content {
  position: relative;
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  background: rgba(30, 41, 59, 0.98);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.price-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.8);
}

.price-modal-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-heading);
}

.price-modal-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.price-modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.5);
  color: #ef4444;
}

.price-modal-body {
  padding: 32px;
  overflow-y: auto;
  max-height: calc(90vh - 80px);
}

/* 价格概览 */
.price-modal-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.price-modal-stat {
  text-align: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.price-modal-stat-label {
  font-size: 13px;
  color: var(--color-text-tertiary);
  margin-bottom: 8px;
}

.price-modal-stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text-heading);
}

.price-modal-stat-value span {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-tertiary);
  margin-left: 4px;
}

.price-modal-stat-change {
  font-size: 20px;
  font-weight: 600;
}

.price-modal-stat-change.up {
  color: #4ade80;
}

.price-modal-stat-change.down {
  color: #f87171;
}

/* 时间筛选 */
.price-modal-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.price-modal-filter-btn {
  padding: 10px 24px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
}

.price-modal-filter-btn:hover,
.price-modal-filter-btn.active {
  background: var(--color-primary-500);
  color: #fff;
  border-color: var(--color-primary-500);
}

/* 图表 */
.price-modal-chart {
  height: 280px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  width: 100%;
  height: 220px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 20px;
}

.chart-bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
  min-width: 8px;
  max-width: 40px;
  height: 100%;
  padding: 0 1px;
}

.chart-bar {
  width: 100%;
  max-width: 30px;
  min-width: 4px;
  background: var(--color-primary-500);
  border-radius: 4px 4px 0 0;
  transition: height 0.3s ease;
  min-height: 4px;
  cursor: pointer;
  align-self: center;
}

.chart-bar:hover {
  background: var(--color-primary-600);
}

.chart-bar.up {
  background: #4ade80;
}

.chart-bar.up:hover {
  background: #22c55e;
}

.chart-bar.down {
  background: #f87171;
}

.chart-bar.down:hover {
  background: #ef4444;
}

.chart-bar-label {
  font-size: 10px;
  color: var(--color-text-tertiary);
  margin-top: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* 折线图 */
.line-chart-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.line-chart-svg {
  width: 100%;
  height: auto;
  max-height: 220px;
}

.line-chart-labels {
  display: flex;
  justify-content: space-between;
  padding: 8px 30px 0;
}

.line-chart-label {
  font-size: 10px;
  color: var(--color-text-tertiary);
}

.chart-dot {
  cursor: pointer;
  transition: r 0.2s ease;
}

.chart-dot:hover {
  r: 6;
}

.chart-price-label {
  font-size: 10px;
  fill: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.chart-y-label,
.chart-x-label {
  font-size: 10px;
  fill: var(--color-text-tertiary);
}

.chart-tooltip {
  position: fixed;
  display: none;
  background: rgba(30, 41, 59, 0.95);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--color-text-secondary);
  pointer-events: none;
  z-index: 9999;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.chart-tooltip strong {
  color: var(--color-text-heading);
}

@media (max-width: 768px) {
  .line-chart-labels {
    padding: 8px 10px 0;
  }
}

/* 表格 */
.price-modal-table {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.price-modal-table table {
  width: 100%;
  border-collapse: collapse;
}

.price-modal-table th,
.price-modal-table td {
  padding: 14px 20px;
  text-align: left;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.price-modal-table th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--color-text-heading);
  font-weight: 600;
  font-size: 13px;
}

.price-modal-table tr:last-child td {
  border-bottom: none;
}

.price-modal-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

/* 响应式 - 模态框 */
@media (max-width: 768px) {
  .price-modal-content {
    width: 95%;
    max-height: 95vh;
    border-radius: 16px;
  }

  .price-modal-header {
    padding: 16px 20px;
  }

  .price-modal-title {
    font-size: 18px;
  }

  .price-modal-body {
    padding: 20px;
  }

  .price-modal-overview {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .price-modal-stat {
    padding: 16px;
  }

  .price-modal-stat-value {
    font-size: 20px;
  }

  .price-modal-chart {
    height: 200px;
  }

  .price-modal-table {
    overflow-x: auto;
  }

  .price-modal-table table {
    min-width: 400px;
  }
}

/* 文章详情模态框 */
.article-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none;
}

.article-modal.active {
  display: block;
}

.article-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.article-modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 900px;
  max-height: 90vh;
  background: var(--color-bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.article-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.8);
}

.article-modal-header .back-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s;
}

.article-modal-header .back-btn:hover {
  color: var(--color-primary-500);
}

.article-modal-close {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  transition: color 0.2s;
}

.article-modal-close:hover {
  color: var(--color-primary-500);
}

.article-modal-body {
  padding: 40px;
  overflow-y: auto;
  flex: 1;
}

.article-modal-body .article-category {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 20px;
  color: var(--color-primary-500);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
}

.article-modal-body .article-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.3;
  margin-bottom: 24px;
}

.article-modal-body .article-meta {
  display: flex;
  gap: 24px;
  color: var(--color-text-tertiary);
  font-size: 14px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.article-modal-body .article-meta span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-modal-body .article-meta i {
  color: var(--color-primary-500);
}

.article-modal-body .article-body {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.article-modal-body .article-body p {
  margin-bottom: 24px;
}

.article-modal-body .article-body h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin: 32px 0 16px;
}

.article-modal-body .article-body ul {
  list-style: none;
  margin-bottom: 24px;
}

.article-modal-body .article-body ul li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.article-modal-body .article-body ul li::before {
  content: "\f058";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-primary-500);
}

.article-modal-body .article-quote {
  background: rgba(56, 189, 248, 0.1);
  border-left: 4px solid var(--color-primary-500);
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.article-modal-body .article-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.article-modal-body .article-tag {
  padding: 6px 16px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

.article-modal-body .article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.article-modal-body .article-nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
  flex: 1;
  text-decoration: none;
}

.article-modal-body .article-nav-btn:hover {
  border-color: var(--color-primary-500);
  color: var(--color-primary-500);
}

.article-modal-body .article-nav-btn i {
  font-size: 20px;
}

.article-modal-body .article-nav-btn.next {
  justify-content: flex-end;
  text-align: right;
}

.article-modal-body .article-nav-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.article-modal-body .article-nav-title {
  font-size: 14px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .article-modal-body {
    padding: 24px;
  }

  .article-modal-body .article-title {
    font-size: 24px;
  }

  .article-modal-body .article-meta {
    flex-wrap: wrap;
    gap: 12px;
  }

  .article-modal-body .article-nav {
    flex-direction: column;
  }
}