/* ========== Reset & Base ========== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #1a2733;
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  img { display: block; max-width: 100%; }

  /* ========== Layout ========== */
  
  

  .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
  }
  @media (min-width: 1024px) {
    /*.container { padding: 0 32px; }*/
  }

  /* ========== Buttons ========== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 32px;
    height: 44px;
    border-radius: 999px;
    background: linear-gradient(90deg, #0080ff 0%, #00c2ff 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 128, 255, 0.25);
  }
  .btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 128, 255, 0.35);
  }
  .btn-primary svg {
    width: 16px;
    height: 16px;
    transition: transform 0.25s ease;
  }
  .btn-primary:hover svg { transform: translateX(4px); }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    height: 40px;
    border-radius: 999px;
    border: 2px solid #0080ff;
    background: transparent;
    color: #0080ff;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
  }
  .btn-outline:hover {
    background: #0080ff;
    color: #fff;
  }
  .btn-outline svg {
    width: 14px;
    height: 14px;
    transition: transform 0.25s ease;
  }
  .btn-outline:hover svg { transform: translateX(4px); }

  .btn-outline-sm {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    height: 36px;
    border-radius: 999px;
    border: 2px solid #0080ff;
    background: transparent;
    color: #0080ff;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
  }
  .btn-outline-sm:hover {
    background: #0080ff;
    color: #fff;
  }
  .btn-outline-sm svg {
    width: 14px;
    height: 14px;
    transition: transform 0.25s ease;
  }
  .btn-outline-sm:hover svg { transform: translateX(4px); }

  /* ========== Header ========== */
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    width: 100%;
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
    /*background: linear-gradient(180deg, rgba(10,22,40,0.8) 0%, transparent 100%);*/
    /*background: linear-gradient(180deg, rgba(6,46,76,0.8) 0%, transparent 100%);*/
    background: rgba(6,46,76,0.45) ;
  }
  .header.scrolled {
    /*background: rgba(10,22,40,0.95);*/
    background: rgba(6,46,76,0.95) ;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
  }
  @media (min-width: 768px) {
    .header-inner { height: 80px; }
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .logo  img{
      width: 180px;
  }
  @media (max-width: 768px) {
    .logo  img{width: 140px;}
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .logo-icon svg { width: 24px; height: 24px; color: #0a4ea8; fill: currentColor; }
  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .logo-text .cn {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  @media (min-width: 768px) {
    .logo-text .cn { font-size: 20px; }
  }
  .logo-text .en {
    color: rgba(255,255,255,0.7);
    font-size: 10px;
    letter-spacing: 0.2em;
    font-weight: 500;
    margin-top: 2px;
  }

  /* Desktop Nav */
  .nav-desktop {
    display: none;
    align-items: center;
    gap: 4px;
  }
  @media (min-width: 1024px) {
    .nav-desktop { display: flex; }
  }
  .nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    transition: color 0.25s ease;
  }
  .nav-link:hover { color: #fff; }
  .nav-link.active { color: #fff; }
  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #0080ff, #00c2ff);
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.8);
    transition: all 0.25s ease;
  }
  .icon-btn:hover { color: #fff; background: rgba(255,255,255,0.1); }
  .icon-btn svg { width: 20px; height: 20px; }
  .menu-btn { display: flex; }
  @media (min-width: 1024px) {
    .menu-btn { display: none; }
  }

  /* Mobile Menu Drawer */
  .mobile-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  .mobile-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
  }
  .mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: #0a1628;
    z-index: 201;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
  }
  .mobile-drawer.open { transform: translateX(0); }
  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    font-weight: 600;
  }
  .mobile-drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
  }
  .mobile-drawer-close:hover { color: #fff; background: rgba(255,255,255,0.1); }
  .mobile-drawer-close svg { width: 16px; height: 16px; }
  .mobile-nav { flex: 1; display: flex; flex-direction: column; padding: 8px 0; }
  .mobile-nav a {
    display: block;
    padding: 14px 24px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all 0.2s ease;
  }
  .mobile-nav a:hover,
  .mobile-nav a.active {
    color: #00c2ff;
    background: rgba(255,255,255,0.05);
  }

  /* ========== Hero ========== */
  .hero {
    position: relative;
    width: 100%;
    height: 70vh;
    min-height: 600px;
    overflow: hidden;
    background: #0a1628;
  }
  @media (max-width: 800px) {
    .hero{height:auto;min-height: 240px;}
  }
  .hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.2s ease-in-out, transform 5s ease-out;
    z-index: 1;
  }
  .hero-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
  }
  .hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10,22,40,0.7) 0%, rgba(10,22,40,0.3) 50%, transparent 100%);
  }
  .hero-bottom-grad {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, transparent 0%, #f0f7ff 100%);
    z-index: 3;
    pointer-events: none;
  }

  .hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    align-items: center;
  }
  @media (max-width: 800px) {
      .hero-content {
          display: none;
      }
  }
  .hero-text {
    max-width: 900px;
    opacity: 1;
    transform: translateY(24px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
    transition-delay: 0.3s;
    background: rgb(0, 53, 123, 50%);
    padding: 30px 56px 48px 56px;
    border-radius: 8px;
  }
  .hero-slide.active .hero-text {
    opacity: 100;
    transform: translateY(0);
  }
  .hero-title {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
  }
  @media (min-width: 768px) {
    .hero-title { font-size: 48px; }
  }
  @media (min-width: 1024px) {
    .hero-title { font-size: 56px; }
  }
  .hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.92);
    font-weight: 500;
    margin-bottom: 16px;
  }
  @media (min-width: 768px) {
    .hero-subtitle { font-size: 24px; }
  }
  .hero-slogan {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 28px;
  }
  @media (min-width: 768px) {
    .hero-slogan { font-size: 16px; }
  }

  .hero-indicators {
    position: absolute;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .hero-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,0.5);
    transition: all 0.5s ease;
    cursor: pointer;
  }
  .hero-dot.active {
    width: 40px;
    background: linear-gradient(90deg, #0080ff, #00c2ff);
  }

  .hero-video-btn {
    position: absolute;
    bottom: 32px;
    right: 32px;
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.3);
    display: none;
    align-items: center;
    justify-content: center;
    color: #fff;
  }
  @media (min-width: 768px) {
    .hero-video-btn { display: flex; }
  }
  .hero-video-btn svg { width: 20px; height: 20px; fill: currentColor; }

  /* ========== Section Common ========== */
  .section {
    width: 100%;
    padding: 45px 0;
  }
  @media (min-width: 768px) {
    .section { padding: 45px 0; }
  }
  .section-title {
    font-size: 40px;
    font-weight: 900;
    /*text-align: left;*/
    text-align: center;
    /*color: #0080ff;*/
    margin-bottom: 24px;
  }
  @media (min-width: 768px) {
    .section-title { font-size: 36px; margin-bottom: 32px; }
  }

  /* ========== About Section ========== */
  .about {
    background: linear-gradient(180deg, #f0f7ff 0%, #f8fbff 100%);
    position: relative;
    overflow: hidden;
  }
  .about-bg {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100%;
    opacity: 0.15;
    pointer-events: none;
    overflow: hidden;
  }
  .about-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .about-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    /*background: linear-gradient(180deg, transparent 0%, rgba(240,247,255,0.6) 60%, #f0f7ff 100%);*/
    background: linear-gradient(to right, rgba(240,247,255,1) 30%, rgba(255,255,255,0.4) 100%,);
  }

  .about-text {
    max-width: 1000px;
    margin: 64px 0;
    position: relative;
    z-index: 1;
  }
  .about-text h2 {
    font-size: 20px;
    font-weight: 700;
    /*color: #0080ff;*/
    margin-bottom: 24px;
    line-height: 1.4;
    background: linear-gradient(90deg, #0059aa, #00a4dc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;

  }
  @media (min-width: 768px) {
    .about-text h2 { font-size: 30px; margin-bottom: 32px; }
  }
  .about-text p {
    font-size: 18px;
    color: #1a2733;
    line-height: 2;
    margin-bottom: 16px;
  }
  .about-text p:last-of-type { margin-bottom: 24px; }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
  }
  @media (min-width: 768px) {
    .stats-grid {
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }
  }
  .stat-item { text-align: center; }
  .stat-number {
    font-size: 48px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
  }
  @media (min-width: 768px) {
    .stat-number { font-size: 75px; }
  }
  .stat-number .num { color: #0080ff; }
  .stat-number .unit { color: #1a2733; font-size:45px;}
  .stat-label {
    margin-top: 12px;
    font-size: 16px;
    color: #5a6b7c;
    font-weight: 500;
  }
  @media (min-width: 768px) {
    .stat-label { font-size: 18px; margin-top: 16px; }
  }

  /* ========== Products Section ========== */
  .products { background: #f0f9ff; }
  .products-head {
    text-align: center;
    margin-bottom: 64px;
  }
  .products-head h2 { margin-bottom: 4px; 
    background: linear-gradient(90deg, #0059aa, #00a4dc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .products-head h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a2733;
    margin-bottom: 16px;
  }
  @media (min-width: 768px) {
    .products-head h3 { font-size: 40px; margin-bottom: 20px; }
  }
  .products-head p {
    font-size: 18px;
    color: #5a6b7c;
  }
  @media (min-width: 768px) {
    .products-head p { font-size: 20px; }
  }

  .products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
  }
  @media (min-width: 768px) {
    .products-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 48px 64px;
    }
  }
  .product-card {
    position: relative;
    border-radius: 20px;
    /*overflow: hidden;*/
    
    /*box-shadow: 0 4px 16px rgba(0,0,0,0.06);*/
    transition: all 0.4s ease;
  }
  .product-card:hover {
    transform: translateY(-6px);
    /*box-shadow: 0 12px 32px rgba(0,0,0,0.1);*/
  }
  .product-card-image {
    position: relative;
    width: 100%;
    border: 2px solid rgba(0,128,255,0.4);
    aspect-ratio: 3 / 5;
    overflow: hidden;
  }
  .product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
  }
  .product-card:hover .product-card-image img { transform: scale(1.05); }

  .product-card-bottom {
    position: absolute;
    top: 300px;
    bottom: 0;
    left: 0;
    right: 0;
  }
  .product-card-grad {
    height: 80px;
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.95) 100%);
  }
  .product-card-content {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 12px 24px 32px;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
  }
  .product-icon{
    color: #1a2733;
    text-align: center;
    /*margin-bottom: 16px;*/
  }
  .product-icon i{
      font-size: 50px;
  }
  .product-card-name {
    font-size: 28px;
    font-weight: 700;
    color: #1a2733;
    text-align: center;
    margin-bottom: 16px;
  }
  .product-card-scene-label {
    font-size: 14px;
    font-weight: 600;
    color: #1a2733;
    text-align: center;
    margin-bottom: 4px;
  }
  .product-card-desc {
    font-size: 14px;
    color: #5a6b7c;
    text-align: center;
    line-height: 1.7;
    margin-bottom: 24px;
  }
  .product-card-btn { display: flex; justify-content: center; }

  /* ========== Scenes Section ========== */
  .scenes { background: #fff; }
  .scenes-head { text-align: center; margin-bottom: 64px; }
  .scenes-head h2{
    background: linear-gradient(90deg, #0059aa, #00a4dc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .scenes-head h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a2733;
  }
  @media (min-width: 768px) {
    .scenes-head h3 { font-size: 32px; }
  }

  .scenes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }
  @media (min-width: 640px) {
    .scenes-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 1024px) {
    .scenes-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 48px;
    }
  }
  .scene-card {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
  }
  .scene-card:hover { transform: translateY(-4px); }
  .scene-image {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
  }
  .scene-card:hover .scene-image { box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
  .scene-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .scene-card:hover .scene-image img { transform: scale(1.05); }

  .scene-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
  }
  .scene-label span {
    font-size: 18px;
    font-weight: 600;
    color: #1a2733;
  }
  @media (min-width: 768px) {
    .scene-label span { font-size: 20px; }
  }
  .scene-plus {
    width: 20px;
    height: 20px;
    color: #0080ff;
    transition: transform 0.3s ease;
  }
  .scene-card:hover .scene-plus { transform: scale(1.15); }
  .scene-plus svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
  }

  /* ========== News Section ========== */
  .news { background: #f0f9ff; }
  .news-head {
    display: flex;
    flex-direction: column;
    /*justify-content: space-between;*/
    justify-content: flex-end; /* 内容靠右 */
    gap: 24px;
    margin-bottom: 48px;
  }
  @media (min-width: 768px) {
    .news-head {
      flex-direction: row;
      align-items: flex-end;
    }
  }
  .news-tabs {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .news-tab {
    padding: 8px 24px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid #0080ff;
    background: #fff;
    color: #0080ff;
    transition: all 0.3s ease;
  }
  .news-tab:hover { background: rgba(0,128,255,0.05); }
  .news-tab.active {
    background: linear-gradient(90deg, #0080ff, #00c2ff);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(0,128,255,0.25);
  }

  .news-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
  }
  @media (min-width: 640px) {
    .news-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 1024px) {
    .news-grid { grid-template-columns: repeat(3, 1fr); gap: 40px; }
  }
  .news-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(100,120,140,0.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
  }
  .news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
  }
  .news-card-image {
    position: relative;
    height: 192px;
    overflow: hidden;
  }
  .news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .news-card:hover .news-card-image img { transform: scale(1.05); }
  .news-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(26,39,51,0.15) 100%);
  }

  .news-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .news-card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a2733;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.25s ease;
  }
  .news-card:hover .news-card-title { color: #0080ff; }
  .news-card-summary {
    font-size: 14px;
    color: #5a6b7c;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-card-meta {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(100,120,140,0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .news-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #5a6b7c;
  }
  .news-date svg { width: 14px; height: 14px; }
  .news-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 500;
    color: #0080ff;
  }
  .news-more svg {
    width: 14px;
    height: 14px;
    transition: transform 0.25s ease;
  }
  .news-more:hover svg { transform: translateX(4px); }

  .news-footer-btn {
    text-align: center;
    margin-top: 48px;
  }
  
  /* 隐藏 */
.news-card.hide {display:none;}

  /* ========== Vision Section ========== */
  .vision {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
  }
  @media (min-width: 768px) {
    .vision { height: 350px; }
  }
  .vision-bg {
    position: absolute;
    inset: 0;
  }
  .vision-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .vision-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,22,40,0.5);
  }
  .vision-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .vision-title {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    letter-spacing: 0.04em;
  }
  @media (min-width: 768px) {
    .vision-title { font-size: 44px; }
  }
  @media (min-width: 1024px) {
    .vision-title { font-size: 52px; }
  }
  .vision-title br { display: none; }
  @media (min-width: 768px) {
    .vision-title br { display: block; }
  }

  /* ========== Footer ========== */
  .footer {
    background: #1a1a1a;
    color: #fff;
  }
  .footer-main {
    padding: 64px 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
  }
  @media (min-width: 768px) {
    .footer-main {
      grid-template-columns: repeat(2, 1fr);
      gap: 48px 32px;
    }
  }
  @media (min-width: 1024px) {
    .footer-main {
      grid-template-columns: 2fr repeat(6, 1fr);
      gap: 32px;
    }
  }

  .footer-brand .logo-text .cn { color: #fff; font-size: 18px; }
  .footer-brand .logo-text .en { color: rgba(255,255,255,0.6); font-size: 10px; }

  .footer-contact { margin-top: 24px; }
  .footer-contact-item { margin-bottom: 20px; }
  .footer-contact-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 4px;
  }
  .footer-contact-value {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
  }
  .footer-phone {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #fff;
  }

  .footer-socials { margin-top: 8px; }
  .footer-socials-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
  }
  .footer-social-icons {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background 0.25s ease;
  }
  .social-icon:hover { background: #00a1ff; }
  .social-icon svg { width: 20px; height: 20px; }

  .footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
  }
  .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
  .footer-col a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color 0.25s ease;
  }
  .footer-col a:hover { color: #00a1ff; }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
  }
  .footer-bottom-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  @media (min-width: 768px) {
    .footer-bottom-inner {
      flex-direction: row;
    }
  }
  .footer-bottom p {
    font-size: 12px;
    color: rgba(255,255,255,0.4);
  }

  /* ========== Reveal Animations ========== */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }

  /* Focus visible */
  button:focus-visible,
  a:focus-visible {
    outline: 2px solid #0080ff;
    outline-offset: 2px;
    border-radius: 6px;
  }

/* 导航栏容器模拟，你可以替换成你自己的nav */
.nav-bar {
  display: flex;
  align-items: center;
  height: 60px;
  background: #222;
  padding:0 20px;
  gap:24px;
}

/* 多语言外层容器，放在导航栏flex流里 */
.lang-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  color:#fff;
  font-size:14px;
  height: 60px;
  padding:0 8px;
}

/* 触发栏：地球图标 + 文字 + 箭头 */
.lang-trigger {
  display: flex;
  align-items: center;
  gap:6px;
}

/* 下拉面板，默认隐藏 */
.lang-menu {
  position: absolute;
  top:100%;
  right:0;
  background:#fff;
  min-width:120px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-radius:4px;
  overflow:hidden;
  z-index:999;
  display: none;
}
.lang-menu.show {
  display:block;
}

.lang-menu-item {
  padding:10px 14px;
  color:#333;
}
.lang-menu-item:hover {
  background:#f5f5f5;
}

/* 箭头切换 */
.icon-arrow-down {
  display:block;
}
.icon-arrow-up {
  display:none;
}
.lang-dropdown.open .icon-arrow-down {
  display:none;
}
.lang-dropdown.open .icon-arrow-up {
  display:block;
}



.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px; }
.pagination > li {
    display: inline; }
.pagination > li > a,
.pagination > li > span {
    position: relative;
    float: left;
    padding: 6px 12px;
    line-height: 1.42857;
    text-decoration: none;
    color: #337ab7;
    background-color: #fff;
    border: 1px solid #ddd;
    margin-left: -1px; }
.pagination > li:first-child > a,
.pagination > li:first-child > span {
    margin-left: 0;
    border-bottom-left-radius: 4px;
    border-top-left-radius: 4px; }
.pagination > li:last-child > a,
.pagination > li:last-child > span {
    border-bottom-right-radius: 4px;
    border-top-right-radius: 4px; }
.pagination > li > a:hover, .pagination > li > a:focus,
.pagination > li > span:hover,
.pagination > li > span:focus {
    z-index: 2;
    color: #23527c;
    background-color: #eeeeee;
    border-color: #ddd; }
.pagination > .active > a, .pagination > .active > a:hover, .pagination > .active > a:focus,
.pagination > .active > span,
.pagination > .active > span:hover,
.pagination > .active > span:focus {
    z-index: 3;
    color: #fff;
    background-color: #337ab7;
    border-color: #337ab7;
    cursor: default; }
    
    
    
/* ========== Page Banner ========== */
.page-banner { position: relative; width: 100%; height: 420px; overflow: hidden; background: #0a1628; }
@media (min-width: 768px) { .page-banner { height: 500px; } }
.page-banner-bg { position: absolute; inset: 0; }
.page-banner-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-banner-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,46,76,0.7) 0%, rgba(6,46,76,0.5) 50%, rgba(6,46,76,0.85) 100%); }
.page-banner-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 24px; }
.page-banner-title { font-size: 42px; font-weight: 900; color: #fff; letter-spacing: 0.04em; margin-bottom: 16px; }
@media (min-width: 768px) { .page-banner-title { font-size: 56px; } }
.page-banner-subtitle { font-size: 16px; color: rgba(255,255,255,0.85); font-weight: 400; letter-spacing: 0.08em; max-width: 700px; line-height: 1.8; }
@media (min-width: 768px) { .page-banner-subtitle { font-size: 18px; } }
.page-banner-line { width: 60px; height: 3px; background: linear-gradient(90deg, #0080ff, #00c2ff); border-radius: 2px; margin: 24px auto 0; }






/* ===== 桌面端导航下拉 ===== */
.nav-dropdown-wrap {
  position: relative;
  display: inline-block;
}
.nav-dropdown-trigger {
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-dropdown-menu {
  position: absolute;
  top:100%;
  left:0;
  background:#fff;
  box-shadow:0 4px 12px rgba(0,0,0,0.12);
  border-radius:4px;
  min-width:180px;
  padding:8px 0;
  display:none;
  z-index:99;
}
.nav-dropdown-item {
  display:block;
  padding:10px 16px;
  color:#333;
  text-decoration:none;
}
.nav-dropdown-item:hover{
  background:#f5f7fa;
  color:#409eff;
}
.nav-dropdown-wrap:hover .nav-dropdown-menu {
  display:block;
}

/* ===== 移动端抽屉下拉 ===== */
.mobile-nav-dropdown-wrap {
  width:100%;
}
.mobile-nav-trigger {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 0;
  border-bottom:1px solid #eee;
  cursor:pointer;
}
.mobile-nav-menu {
  display:none;
  padding-left:16px;
}
.mobile-nav-menu.open {
  display:block;
}
.mobile-nav-item {
  display:block;
  padding:12px 0;
  color:#666;
  border-bottom:1px solid #f2f2f2;
}