/*
 * 苏闽金属 - 制造业世界500强风格主题
 * 色彩系统、字体、导航、页脚、组件
 */

:root {
  /* 色彩系统 - 主色 #000066 */
  --color-primary: #000066;
  --color-primary-dark: #000099;
  --color-text: #333333;
  --color-text-muted: #666666;
  --color-bg: #f5f5f5;
  --color-bg-white: #ffffff;
  --color-border: #e5e5e5;
  --color-footer: #1a1a1a;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.06);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* 布局拓宽 - 减少两侧留白 */
.container {
  max-width: 1400px !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
}

.hero-section,
.trust-bar {
  padding-left: 24px;
  padding-right: 24px;
}

/* 全局字体与背景 */
html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Inter", "Helvetica Neue", sans-serif !important;
  background-color: var(--color-bg) !important;
  color: var(--color-text) !important;
  line-height: 1.7;
  font-size: 1rem;
  font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600 !important;
  color: var(--color-primary) !important;
}

a {
  color: var(--color-primary);
  transition: color var(--transition);
}

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

/* ========== 导航栏 - 阿里巴巴集团风格 ========== */
#top-navbar {
  position: sticky !important;
  top: 0;
  z-index: 1030;
  border-bottom: 1px solid #e5e5e5 !important;
  background: #ffffff !important;
  box-shadow: none;
  min-height: 72px;
  transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#top-navbar.navbar-scrolled {
  background: #ffffff !important;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

#top-navbar .navbar-inner {
  padding: 12px 0 !important;
  background: transparent !important;
  border: none !important;
}

#top-navbar .container {
  max-width: 1400px;
  padding-left: 24px;
  padding-right: 24px;
}

#top-navbar .logo {
  max-height: 48px;
  width: auto;
}

#top-navbar .nav > li > a {
  color: #333333 !important;
  font-weight: 500;
  padding: 10px 18px !important;
  border-radius: 0;
  transition: all var(--transition);
  position: relative;
}

#top-navbar .nav > li > a::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#top-navbar .nav > li > a:hover::after,
#top-navbar .nav > li.active > a::after {
  width: 60%;
  left: 20%;
}

#top-navbar .nav > li > a:hover,
#top-navbar .nav > li.active > a {
  color: var(--color-primary) !important;
  background-color: transparent !important;
}

#top-navbar .nav > li:last-child > a {
  margin-left: 8px;
  padding-left: 16px !important;
  border-left: 1px solid #e5e5e5;
}

#top-navbar .dropdown.open .dropdown-menu {
  transform: translateY(-2px);
}

#top-navbar .dropdown-menu {
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  margin-top: 4px;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

#top-navbar .dropdown-menu li a {
  color: var(--color-text) !important;
  padding: 10px 20px;
}

#top-navbar .dropdown-menu li a:hover {
  background-color: #f5f5f5 !important;
  color: var(--color-primary) !important;
}

#top-navbar .dropdown-menu .nav-header {
  color: var(--color-text-muted);
  font-size: 12px;
  padding: 8px 20px;
}

#top-navbar .dropdown-menu .divider {
  margin: 6px 0;
  border-color: var(--color-border);
}

#top-navbar .btn-navbar {
  border-color: #cccccc;
}

#top-navbar .btn-navbar .icon-bar {
  background-color: #333333;
}

/* ========== Hero 区 - 视频背景 ========== */
.hero-section {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-footer);
  overflow: hidden;
}

.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, rgba(26, 26, 26, 0.6) 100%);
  z-index: 1;
}

.hero-section .hero-overlay {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 24px;
  max-width: 800px;
}

.hero-section .hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff !important;
  margin-bottom: 16px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-section .hero-subtitle {
  font-size: 1.125rem;
  color: #ffffff;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-section .hero-cta {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff !important;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.hero-section .hero-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  color: #fff !important;
}

/* ========== 新闻与公示 - 阿里巴巴风格 ========== */
.news-section {
  padding: 48px 0 40px;
}

.news-section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 900px;
}

.news-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), transform var(--transition);
}

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

.news-item:hover {
  background: rgba(0, 0, 102, 0.04);
}

.news-item:active {
  background: rgba(0, 0, 102, 0.08);
}

.news-item a {
  color: var(--color-text) !important;
  font-weight: 500;
  text-decoration: none;
  font-size: 1rem;
}

.news-item a:hover {
  color: var(--color-primary) !important;
}

.news-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-left: 24px;
}

/* ========== Mission 区块 - 阿里巴巴风格 ========== */
.mission-section {
  padding: 64px 0;
  background: var(--color-bg-white);
}

.mission-title {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary) !important;
  margin-bottom: 24px;
  max-width: 900px;
}

.mission-intro {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  max-width: 900px;
  margin: 0;
}

/* ========== 企业宣传视频 - 阿里巴巴 Media Video 风格 ========== */
.video-section {
  padding: 64px 0;
  background: var(--color-bg);
}

.video-section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text) !important;
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.video-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #000;
}

.corporate-video {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 767px) {
  .mission-title { font-size: 1.375rem; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 4px; }
  .news-date { margin-left: 0; }
  .video-section { padding: 48px 0; }
  .section-block { padding: 48px 0; }
}

/* ========== 信任数据条 - 阿里巴巴风格浅色 ========== */
.trust-bar {
  background: var(--color-bg);
  color: var(--color-text);
  padding: 48px 24px;
  position: relative;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
}

.trust-bar .trust-item {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 20px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}

.trust-bar .trust-icon {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  line-height: 1.2;
}

.trust-bar .trust-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-bottom: 4px;
}

.trust-bar .trust-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.trust-bar .trust-accent {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-bar .trust-item:hover .trust-accent {
  width: 40%;
}

.trust-bar .trust-item:active {
  opacity: 0.9;
}

.trust-bar .trust-divider {
  width: 1px;
  min-height: 48px;
  background: var(--color-border);
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .trust-bar .trust-divider { display: none; }
  .trust-bar .trust-item { min-width: 50%; padding: 20px 16px; }
}

/* ========== 区块通用 - 阿里巴巴风格留白 ========== */
.section-block {
  padding: 64px 0;
  position: relative;
}

.section-block .container {
  padding-left: 24px;
  padding-right: 24px;
}

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

.section-block.section-light::after {
  display: none;
}

.section-block.section-dark {
  background: linear-gradient(180deg, #1a1a1a 0%, #333333 100%);
  color: rgba(255, 255, 255, 0.9);
  position: relative;
}

.section-block.section-dark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 102, 0.3), transparent);
  pointer-events: none;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
  transition: transform var(--transition);
}

.section-header .section-num {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  line-height: 1.2;
}

.section-header .section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin: 0 !important;
}

.section-header-light .section-title {
  color: #fff !important;
}

.section-header .section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--color-border), transparent);
  max-width: 200px;
}

.section-header-light .section-line {
  background: linear-gradient(90deg, rgba(255,255,255,0.3), transparent);
}

/* ========== 统一内容块 - 阿里巴巴风格 ========== */
.content-block {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px 32px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.content-block.interactive:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 0, 102, 0.2);
}

.content-block.interactive:active {
  transform: scale(0.99) translateY(0);
  box-shadow: var(--shadow-sm);
}

.content-block.feature-block {
  margin-bottom: 24px;
}

.content-block.feature-block:last-child {
  margin-bottom: 0;
}

/* ========== 欢迎区 - 阿里巴巴风格扁平 ========== */
.welcome-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 28px;
}

.welcome-card {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  box-shadow: none;
}

.welcome-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.welcome-card:active {
  transform: scale(0.99);
  box-shadow: none;
}

.welcome-card-accent {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

.welcome-card:hover .welcome-card-accent {
  opacity: 1;
}

.welcome-card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.2;
}

.welcome-card .card-title {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-primary) !important;
  line-height: 1.4;
}

.welcome-card .card-text {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.welcome-card .card-link .arrow {
  transition: transform var(--transition);
}

.welcome-card:hover .card-link .arrow {
  transform: translateX(4px);
}

.welcome-card-wide {
  grid-column: span 2;
}

.welcome-card-job .job-thumb {
  display: block;
  margin: 12px 0;
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 200px;
}

.welcome-card-job .job-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.welcome-card-job .job {
  margin: 12px 0 16px;
}

.welcome-card-job .job li {
  margin-bottom: 6px;
}

.welcome-card-job .job a {
  color: var(--color-primary);
}

.welcome-card-job .job a:hover {
  color: var(--color-primary-dark);
}

.welcome-card-job .job .date {
  color: var(--color-text-muted);
  padding-right: 10px;
}

@media (max-width: 979px) {
  .welcome-grid {
    grid-template-columns: 1fr;
  }
  .welcome-card-wide {
    grid-column: span 1;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 产品卡片 - 阿里巴巴风格 ========== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card-tech {
  background: var(--color-bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.product-card-tech:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.product-card-tech:active {
  transform: scale(0.99) translateY(0);
  box-shadow: var(--shadow-sm);
}

.product-card-tech-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.2);
}

.product-card-tech-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-card-tech-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26, 26, 26, 0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.product-card-tech-num {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: 4px;
  line-height: 1.2;
}

.product-card-tech-overlay h3 {
  margin: 0 !important;
  font-size: 1.25rem;
  font-weight: 600;
}

.product-card-tech-overlay h3 a {
  color: #fff !important;
  text-decoration: none;
  transition: color var(--transition);
}

.product-card-tech-overlay h3 a:hover {
  color: var(--color-primary) !important;
}

.product-card-tech-body {
  padding: 24px;
}

.product-card-tech-desc {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-card-tech-desc .badge {
  margin-right: 4px;
}

.product-card-tech-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-card-tech-actions .btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}

.product-card-tech-actions .btn-outline:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
  background: transparent;
}

.product-card-tech-actions .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff !important;
  padding: 8px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
}

.product-card-tech-actions .btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff !important;
  transform: translateY(-1px);
}

@media (max-width: 979px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 页脚 - 阿里巴巴集团风格 ========== */
.footer {
  background: var(--color-footer) !important;
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px !important;
  margin-top: 0 !important;
}

.footer a {
  color: rgba(255, 255, 255, 0.8) !important;
  transition: color var(--transition);
}

.footer a:hover {
  color: #ffffff !important;
}

.footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px 32px;
  max-width: 1400px;
  margin: 0 auto 40px;
  padding: 0 24px;
}

.footer .footer-col {
  transition: transform var(--transition);
}

.footer .footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff !important;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer .footer-col li {
  margin-bottom: 8px;
}

.footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer .footer-bottom a {
  color: rgba(255, 255, 255, 0.6) !important;
}

.footer .footer-bottom a:hover {
  color: #ffffff !important;
}

.go_top {
  cursor: pointer;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  transition: background var(--transition);
  color: rgba(255, 255, 255, 0.8) !important;
}

.go_top:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff !important;
}

/* ========== 内页头部 - 阿里巴巴风格白底 ========== */
.page-header-inner {
  background: var(--color-bg-white);
  padding: 40px 0 32px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--color-border);
}

.page-header-inner .page-title {
  color: var(--color-primary) !important;
  font-size: 1.75rem;
  margin: 0 0 8px 0;
  font-weight: 600;
}

/* ========== 面包屑 - 阿里巴巴风格 ========== */
.breadcrumb-wrap {
  background: transparent;
  padding: 0 0 12px 0;
  margin-bottom: 0;
}

.breadcrumb-wrap .breadcrumb {
  background: transparent !important;
  padding: 0;
  margin: 0;
  color: var(--color-text-muted);
}

.breadcrumb-wrap .breadcrumb > li + li:before {
  color: var(--color-border);
}

.breadcrumb-wrap .breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb-wrap .breadcrumb > .active {
  color: var(--color-text);
}

/* ========== 侧边栏 ========== */
.sidenav {
  background-color: var(--color-bg-white) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid var(--color-border) !important;
}

.sidenav > li > a {
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
  transition: all var(--transition);
}

.sidenav > li > a:hover {
  background-color: var(--color-bg) !important;
  color: var(--color-primary) !important;
}

.sidenav > li > a:active {
  background-color: rgba(0, 0, 102, 0.08) !important;
}

.sidenav > .active > a {
  background: var(--color-primary) !important;
  color: #fff !important;
  border-color: var(--color-primary) !important;
}

/* ========== 内页通用 - 阿里巴巴风格 ========== */
.content-section {
  padding: 48px 0 64px;
  background: var(--color-bg-white);
}

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

.content .content-inner {
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  border: none;
}

.content .sidebar {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: none;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.content .sidebar:hover {
  box-shadow: var(--shadow-sm);
}

.content .sidebar h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.content .row.feature {
  margin-bottom: 40px;
}

.content .row.feature:last-child {
  margin-bottom: 0;
}

.content .content-block.feature-block .row.feature {
  margin-bottom: 0;
}

.content .content-block.feature-block {
  margin-bottom: 24px;
}

.content .content-block.feature-block:last-child {
  margin-bottom: 0;
}

.content .row.feature h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: var(--color-primary) !important;
  font-weight: 600;
}

.content .row.feature .lead {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}

.content .row.feature .img-polaroid {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.content hr.feature-divider {
  border-color: var(--color-border);
  margin: 40px 0;
}

.content .row.feature img.img-polaroid {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.content .table.table-bordered {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.content .table.table-bordered th {
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
}

/* ========== 模态框 ========== */
.modal .modal-dialog {
  transition: transform 0.35s var(--ease-out-expo);
}

.modal.fade .modal-dialog {
  transform: scale(0.95);
  opacity: 0;
}

.modal.in .modal-dialog {
  transform: scale(1);
  opacity: 1;
}

.modal .modal-header {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal .modal-header .close {
  color: #fff;
  opacity: 0.9;
}

.modal .modal-body {
  background: var(--color-bg) !important;
}

/* ========== 按钮覆盖 ========== */
.btn-info {
  background-color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
}

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

.badge-important {
  background-color: var(--color-primary) !important;
}

/* ========== 滚动渐入动画 ========== */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-in.stagger-1 { transition-delay: 0.08s; }
.animate-in.stagger-2 { transition-delay: 0.16s; }
.animate-in.stagger-3 { transition-delay: 0.24s; }
.animate-in.stagger-4 { transition-delay: 0.32s; }

/* Hero 首屏淡入 */
.hero-section .hero-overlay .hero-title,
.hero-section .hero-overlay .hero-subtitle,
.hero-section .hero-overlay .hero-cta {
  opacity: 0;
  transform: translateY(16px);
  animation: heroFadeIn 0.5s var(--ease-out-expo) forwards;
}

.hero-section .hero-overlay .hero-title { animation-delay: 0.1s; }
.hero-section .hero-overlay .hero-subtitle { animation-delay: 0.2s; }
.hero-section .hero-overlay .hero-cta { animation-delay: 0.35s; }

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

/* 块悬停上浮 */
.content-block:hover,
.welcome-card:hover,
.product-card-tech:hover,
.news-item:hover,
.trust-bar .trust-item:hover,
.content .sidebar:hover,
.footer .footer-col:hover,
.section-header:hover {
  transform: translateY(-6px);
}

.content-block.interactive:hover {
  transform: translateY(-6px);
}

/* ========== 响应式 ========== */
@media (max-width: 979px) {
  .hero-section .hero-title {
    font-size: 1.75rem;
  }
  .hero-section .hero-subtitle {
    font-size: 1rem;
  }
  .trust-bar .trust-number {
    font-size: 1.5rem;
  }
}

@media (max-width: 991px) {
  .footer .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .hero-section {
    min-height: 360px;
  }
  .hero-section .hero-title {
    font-size: 1.5rem;
  }
  .trust-bar .trust-item {
    margin-bottom: 24px;
  }
  .footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .content-block {
    padding: 20px 20px;
  }
  .content .content-block.feature-block {
    margin-bottom: 20px;
  }
}