/* ========================================
   布局样式 - 企业官网布局与组件
   ======================================== */

@import url('global.css');

/* 布局基础 */
main {
  position: relative;
  z-index: 1;
  background-color: var(--bg-white);
}

main > section:first-of-type {
  margin-top: 0;
}

.section {
  position: relative;
  padding: var(--spacing-6xl) 0;
}

.section--compact {
  padding: var(--spacing-4xl) 0;
}

.section--tight {
  padding: var(--spacing-3xl) 0;
}

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

.section--alt {
  background-color: var(--bg-lighter);
}

.section--dark {
  background-color: #0f1b2b;
  color: var(--text-white);
}

.section--dark p {
  color: rgba(255, 255, 255, 0.72);
}

.section--dark .card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
  color: inherit;
}

.section--dark .card p {
  color: rgba(255, 255, 255, 0.72);
}

.container-narrow {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-wide {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 86, 179, 0), rgba(0, 86, 179, 0.25), rgba(0, 86, 179, 0));
  margin: var(--spacing-4xl) 0;
}

/* 头部与导航 */
.site-header {
  position: relative;
  z-index: var(--z-fixed);
  width: 100%;
}

.navbar {
  position: sticky;
  top: 0;
  background-color: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.navbar-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2xl);
  min-height: 88px;
}

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

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

.logo-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
}

.logo-subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  color: var(--text-lighter);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-cta {
  margin-left: auto;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.navbar-cta:hover {
  background: var(--primary-color);
  color: var(--text-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.navbar-item {
  position: relative;
}

.navbar-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-dark);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-md) 0;
  transition: color var(--transition-base);
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: width var(--transition-base);
}

.navbar-link:hover,
.navbar-item:hover > .navbar-link,
.navbar-link:focus {
  color: var(--primary-color);
}

.navbar-link:hover::after,
.navbar-item:hover > .navbar-link::after,
.navbar-link:focus::after,
.navbar-link.is-active::after {
  width: 100%;
}

.navbar-link.is-active {
  color: var(--primary-color);
}

.navbar-dropdown {
  position: absolute;
  top: calc(100% + 16px);
  left: 0;
  min-width: 240px;
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  display: grid;
  gap: var(--spacing-sm);
  z-index: var(--z-dropdown);
}

.navbar-item:hover .navbar-dropdown,
.navbar-item:focus-within .navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-dropdown::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 32px;
  width: 16px;
  height: 16px;
  transform: rotate(45deg);
  background: var(--bg-white);
  box-shadow: -1px -1px 2px rgba(0, 0, 0, 0.05);
}

.navbar-dropdown-item {
  padding: var(--spacing-sm) var(--spacing-base);
  border-radius: var(--radius-md);
  color: var(--text-dark);
  font-size: var(--font-size-sm);
  border-left: 3px solid transparent;
  transition: all var(--transition-base);
  text-decoration: none;
  display: block;
}

.navbar-dropdown-item span {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-lighter);
  margin-top: 4px;
}

.navbar-dropdown-item:hover {
  background-color: var(--bg-light);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  padding-left: calc(var(--spacing-base) + 3px);
}

.navbar-dropdown-item.is-active {
  background-color: var(--bg-light);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
}

.navbar-caret {
  font-size: 10px;
  display: inline-flex;
  align-items: center;
  transition: transform var(--transition-base);
}

.navbar-item:hover .navbar-caret {
  transform: rotate(180deg);
}

.navbar-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition-base), background-color var(--transition-base);
}

.navbar-toggle:hover {
  border-color: var(--primary-color);
  background-color: rgba(0, 86, 179, 0.08);
}

.navbar-toggle__line {
  width: 22px;
  height: 2px;
  background-color: var(--text-dark);
  border-radius: var(--radius-full);
  display: block;
  position: relative;
}

.navbar-toggle__line::before,
.navbar-toggle__line::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background-color: inherit;
  border-radius: inherit;
  transition: transform var(--transition-base);
}

.navbar-toggle__line::before {
  top: -6px;
}

.navbar-toggle__line::after {
  top: 6px;
}

/* 首页英雄区 */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--text-white);
  padding: calc(var(--spacing-6xl) + 48px) 0 var(--spacing-6xl);
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 43, 0.9), rgba(0, 86, 179, 0.65));
}

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

.hero__content {
  max-width: 720px;
}

.hero__badge {
  margin-bottom: var(--spacing-base);
}

.hero__title {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.hero__description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--spacing-2xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-base);
}

.hero__stats {
  margin-top: var(--spacing-4xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-xl);
}

.hero-stat {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat__value {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-white);
}

.hero-stat__label {
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

/* 标题与栅格 */
.section-header {
  max-width: 760px;
  margin: 0 auto var(--spacing-4xl);
  text-align: center;
}

.section-header--left {
  margin-left: 0;
  text-align: left;
}

.section-header h2 {
  font-size: clamp(28px, 3vw, 40px);
  margin-bottom: var(--spacing-base);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-light);
}

.section--dark .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.split {
  display: grid;
  gap: var(--spacing-4xl);
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

.split__media {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

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

/* 特色模块 */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.impact-card {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.impact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.08), rgba(240, 173, 78, 0.08));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.impact-card:hover::after {
  opacity: 1;
}

.impact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(0, 86, 179, 0.12);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.impact-card h3,
.impact-card p {
  position: relative;
  z-index: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.info-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
  height: 100%;
}

.info-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  background: rgba(0, 86, 179, 0.12);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--primary-color);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: rgba(0, 86, 179, 0.12);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

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

.feature-card p {
  color: var(--text-light);
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 86, 179, 0.2);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.12), rgba(0, 61, 130, 0.12));
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: var(--spacing-lg);
}

.service-card p {
  flex: 1;
  color: var(--text-light);
}

/* 数据指标 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-2xl);
}

.stat-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.stat-card__value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.stat-card__label {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section--dark .stat-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-white);
}

.section--dark .stat-card__value {
  color: var(--secondary-color);
}

.section--dark .stat-card__label {
  color: rgba(255, 255, 255, 0.6);
}

/* 项目案例 */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.project-card {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.project-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover img {
  transform: scale(1.08);
}

.project-card__content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--spacing-xl);
  background: linear-gradient(180deg, rgba(12, 23, 38, 0) 0%, rgba(12, 23, 38, 0.85) 100%);
  color: var(--text-white);
}

.project-card__tags {
  display: inline-flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}

.project-card__tag {
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.16);
}

.project-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-white);
}

.project-card p {
  color: rgba(255, 255, 255, 0.76);
}

/* 流程与时间线 */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
}

.process-step {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--primary-color);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.process-step__number {
  position: absolute;
  top: var(--spacing-base);
  right: var(--spacing-xl);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: rgba(0, 86, 179, 0.12);
}

.process-step h3 {
  margin-bottom: var(--spacing-sm);
}

.process-step p {
  color: var(--text-light);
}

.timeline {
  position: relative;
  display: grid;
  gap: var(--spacing-3xl);
  padding-left: var(--spacing-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 86, 179, 0.4) 0%, rgba(0, 86, 179, 0) 100%);
}

.timeline-item {
  position: relative;
  padding-left: var(--spacing-2xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background: var(--bg-white);
  border: 3px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.timeline-item span {
  display: inline-block;
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

/* 新闻中心 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.news-card__image {
  position: relative;
  overflow: hidden;
  height: 220px;
}

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

.news-card:hover .news-card__image img {
  transform: scale(1.08);
}

.news-card__body {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
  flex: 1;
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-lighter);
}

.news-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-dark);
}

.news-card__excerpt {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  flex: 1;
}

/* 团队与职位 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
}

.team-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0, 86, 179, 0.18), rgba(0, 61, 130, 0.18));
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0 auto var(--spacing-base);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--text-lighter);
}

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

.job-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.job-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.job-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-base);
  font-size: var(--font-size-sm);
  color: var(--text-lighter);
}

.job-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-base);
  flex-wrap: wrap;
}

/* 联系我们 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.contact-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(0, 86, 179, 0.12);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.contact-card a {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  word-break: break-all;
}

.contact-form {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
}

.contact-form form {
  display: grid;
  gap: var(--spacing-lg);
}

.contact-form .form-row {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.map-frame {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  min-height: 320px;
}

/* 页面头图 */
.page-hero {
  position: relative;
  padding: var(--spacing-6xl) 0 var(--spacing-5xl);
  color: var(--text-white);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 43, 0.92), rgba(0, 86, 179, 0.72));
}

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

.page-hero__content {
  max-width: 760px;
}

.page-hero__content p {
  color: rgba(255, 255, 255, 0.78);
}

.page-hero__meta {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
  color: inherit;
}

.breadcrumb__separator {
  opacity: 0.4;
}

/* 证书与资质 */
.credential-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
}

.credential-card {
  background: var(--bg-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.credential-card strong {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
}

/* 合作伙伴 */
.partner-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-xl);
  align-items: center;
  justify-items: center;
}

.partner-logos span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-base) var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  color: var(--text-light);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  width: 100%;
  min-height: 64px;
  text-align: center;
}

/* 号召性用语 */
.cta {
  background: linear-gradient(135deg, #0f1b2b, #004c99);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-4xl);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3xl);
  flex-wrap: wrap;
  box-shadow: var(--shadow-2xl);
}

.cta__content {
  max-width: 520px;
}

.cta__content h2 {
  color: var(--text-white);
  margin-bottom: var(--spacing-base);
}

.cta__content p {
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-base);
}

/* 页脚 */
.footer {
  background: #0a1423;
  color: var(--text-white);
  padding: var(--spacing-6xl) 0 var(--spacing-3xl);
  margin-top: var(--spacing-6xl);
}

.footer a {
  color: rgba(255, 255, 255, 0.78);
}

.footer-top {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1.3fr repeat(3, minmax(180px, 1fr));
  gap: var(--spacing-3xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-base);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--text-white);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-sm);
}

.footer-nav a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base), transform var(--transition-base);
}

.footer-nav a:hover {
  color: var(--secondary-color);
  transform: translateX(4px);
}

.footer-contact {
  display: grid;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-divider {
  max-width: var(--container-max-width);
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: var(--spacing-4xl) auto var(--spacing-2xl);
}

.footer-bottom {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: inherit;
}

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

/* 轮播组件 */
.carousel {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.carousel-inner {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.carousel-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.carousel-item.active {
  position: relative;
  opacity: 1;
}

.carousel-item img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: var(--text-white);
  border: none;
  padding: var(--spacing-base) var(--spacing-lg);
  cursor: pointer;
  font-size: var(--font-size-2xl);
  z-index: 10;
  transition: background-color var(--transition-base);
}

.carousel-control:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.carousel-control.prev {
  left: var(--spacing-base);
}

.carousel-control.next {
  right: var(--spacing-base);
}

.carousel-indicators {
  position: absolute;
  bottom: var(--spacing-base);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.carousel-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.carousel-indicator.active {
  background-color: var(--text-white);
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-3xl);
  list-style: none;
  padding: 0;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-dark);
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  padding: 0 var(--spacing-sm);
}

.pagination-link:hover,
.pagination-link.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: var(--text-white);
}

/* 动画 */
.will-animate {
  opacity: 0;
  transform: translateY(24px);
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .footer-top {
    grid-template-columns: repeat(2, minmax(200px, 1fr));
  }
}

@media (max-width: 992px) {
  .navbar-container {
    min-height: 72px;
  }

  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-xl) var(--container-padding) var(--spacing-2xl);
    gap: var(--spacing-base);
    box-shadow: var(--shadow-xl);
    border-top: 1px solid var(--border-light);
    display: none;
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-item {
    border-bottom: 1px solid var(--border-light);
    padding-bottom: var(--spacing-sm);
  }

  .navbar-link {
    padding: var(--spacing-sm) 0;
  }

  .navbar-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: var(--spacing-sm) 0 0;
    gap: 0;
  }

  .navbar-dropdown::before {
    display: none;
  }

  .navbar-cta {
    display: none;
  }

  .navbar-item:not(.has-dropdown) .navbar-dropdown {
    display: none;
  }

  .navbar-item.active .navbar-dropdown {
    display: grid;
    margin-top: var(--spacing-sm);
  }

  .navbar-dropdown-item {
    padding: var(--spacing-sm) 0;
    border-left: none;
  }

  .navbar-toggle {
    display: inline-flex;
  }

  .hero {
    min-height: auto;
    padding: var(--spacing-5xl) 0;
  }

  .hero__stats {
    grid-template-columns: repeat(2, minmax(140px, 1fr));
  }

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

  .footer-top {
    grid-template-columns: repeat(2, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-4xl) 0;
  }

  .section-header {
    margin-bottom: var(--spacing-3xl);
  }

  .hero__actions,
  .cta__actions {
    width: 100%;
  }

  .grid-3,
  .grid-4,
  .impact-grid,
  .project-grid,
  .news-grid,
  .process-steps,
  .stat-grid,
  .team-grid,
  .job-grid,
  .contact-grid,
  .credential-grid,
  .partner-logos {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .cta {
    padding: var(--spacing-3xl);
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 32px;
  }

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

  .cta {
    text-align: center;
  }

  .cta__actions {
    justify-content: center;
  }
}