:root {
      --glass-bg: rgba(255,255,255,0.8);
      --glass-bg-hover: rgba(247,247,247,0.9);
      --glass-border: rgba(224,224,224,0.6);
      --glass-border-hover: rgba(231,60,0,0.3);
      --glass-blur: blur(16px);
      --glass-radius: 20px;
      --glass-shadow: 0 8px 32px rgba(0,0,0,0.08);
      --glass-shadow-hover: 0 16px 48px rgba(0,0,0,0.12);
      --primary-cyan: #e73c00;
      --primary-teal: #f05a28;
      --dark-bg: #ffffff;
      --dark-bg-alt: #f5f5f5;
      --text-light: #333;
      --text-muted: rgba(0,0,0,0.6);
    }
    body { background: #ffffff; color: #333; }

    /* ===== Hero Section ===== */
    .glass-hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      background: linear-gradient(135deg, #020617 0%, #0f172a 35%, #1e3a5f 55%, #0f172a 75%, #020617 100%);
    }
    .glass-hero-canvas {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      z-index: 1;
    }
    .glass-hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      padding: 120px 20px 80px;
    }
    .glass-hero-badge {
      display: inline-block;
      padding: 8px 20px;
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(56,189,248,0.4);
      border-radius: 50px;
      font-size: 14px;
      color: #38bdf8;
      margin-bottom: 30px;
      letter-spacing: 2px;
      text-transform: uppercase;
      animation: fadeInUp 1s ease both;
    }
    .glass-hero h1 {
      font-size: 52px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      line-height: 1.2;
      text-shadow: 0 4px 30px rgba(0,0,0,0.5);
      animation: fadeInUp 1s 0.2s ease both;
    }
    .glass-hero h1 span {
      background: linear-gradient(135deg, #38bdf8, #2dd4bf);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .glass-hero-sub {
      font-size: 20px;
      color: rgba(255,255,255,0.75);
      margin-bottom: 40px;
      line-height: 1.7;
      animation: fadeInUp 1s 0.4s ease both;
    }
    .glass-hero-btns {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 1s 0.6s ease both;
    }
    .glass-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 16px 40px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.4s ease;
      cursor: pointer;
      border: none;
    }
    .glass-btn-primary {
      background: linear-gradient(135deg, #e73c00, #f05a28);
      color: #fff;
      box-shadow: 0 8px 24px rgba(231,60,0,0.3);
    }
    .glass-btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 16px 40px rgba(231,60,0,0.45);
      text-decoration: none;
      color: #fff;
    }
    .glass-btn-outline {
      background: #fff;
      border: 1px solid #e73c00;
      color: #e73c00;
    }
    .glass-btn-outline:hover {
      background: #fff5f2;
      border-color: #c03000;
      color: #c03000;
      transform: translateY(-3px);
      text-decoration: none;
    }
    /* Hero 区域按钮适配深蓝背景 */
    .glass-hero .glass-btn-outline {
      background: rgba(255,255,255,0.08);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(56,189,248,0.4);
      color: #38bdf8;
    }
    .glass-hero .glass-btn-outline:hover {
      background: rgba(56,189,248,0.15);
      border-color: #38bdf8;
      color: #fff;
      transform: translateY(-3px);
      text-decoration: none;
    }
    .glass-hero-scroll {
      position: absolute;
      bottom: 40px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 2;
      animation: bounce 2s infinite;
    }
    .glass-hero-scroll svg {
      color: #e73c00;
      width: 32px; height: 32px;
    }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes bounce {
      0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
      40% { transform: translateX(-50%) translateY(-10px); }
      60% { transform: translateX(-50%) translateY(-5px); }
    }
    @media (max-width: 768px) {
      .glass-hero h1 { font-size: 30px; }
      .glass-hero-sub { font-size: 16px; }
      .glass-hero-btns { flex-direction: column; align-items: center; }
      .glass-btn { width: 100%; max-width: 280px; justify-content: center; }
    }

    /* ===== Section通用 ===== */
    .glass-section {
      position: relative;
      padding: 100px 0;
      overflow: hidden;
    }
    .glass-section-title {
      text-align: center;
      margin-bottom: 60px;
    }
    .glass-section-title h2 {
      font-size: 38px;
      font-weight: 700;
      color: #333;
      margin-bottom: 12px;
      position: relative;
      display: inline-block;
    }
    .glass-section-title h2::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, #e73c00, #f05a28);
      border-radius: 3px;
    }
    .glass-section-title p {
      color: #666;
      font-size: 16px;
      margin-top: 20px;
    }
    @media (max-width: 768px) {
      .glass-section { padding: 60px 0; }
      .glass-section-title h2 { font-size: 26px; }
      .glass-section-title { margin-bottom: 40px; }
    }

    /* ===== Bento Grid 数据背书 ===== */
    .glass-bento {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .glass-bento-card {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--glass-radius);
      padding: 40px 30px;
      text-align: center;
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
    }
    .glass-bento-card::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: radial-gradient(circle, rgba(56,189,248,0.08) 0%, transparent 60%);
      opacity: 0;
      transition: opacity 0.4s ease;
      pointer-events: none;
    }
    .glass-bento-card:hover::before { opacity: 1; }
    .glass-bento-card:hover {
      border-color: var(--glass-border-hover);
      transform: translateY(-8px);
      box-shadow: var(--glass-shadow-hover);
    }
    .glass-bento-number {
      font-size: 48px;
      font-weight: 700;
      background: linear-gradient(135deg, #e73c00, #f05a28);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1;
      margin-bottom: 10px;
    }
    .glass-bento-label {
      font-size: 14px;
      color: #666;
      letter-spacing: 1px;
    }
    .glass-bento-card.bento-large {
      grid-column: span 2;
    }
    @media (max-width: 991px) {
      .glass-bento { grid-template-columns: repeat(2, 1fr); }
      .glass-bento-card.bento-large { grid-column: span 2; }
    }
    @media (max-width: 576px) {
      .glass-bento { grid-template-columns: 1fr; }
      .glass-bento-card.bento-large { grid-column: span 1; }
    }

    /* ===== 服务卡片 ===== */
    .glass-services {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .glass-service-card {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--glass-radius);
      padding: 40px 30px;
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
      text-decoration: none;
      color: inherit;
      display: block;
    }
    .glass-service-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      border-radius: inherit;
      padding: 1px;
      background: linear-gradient(135deg, rgba(231,60,0,0.3), rgba(240,90,40,0.3));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      opacity: 0;
      transition: opacity 0.4s ease;
      pointer-events: none;
    }
    .glass-service-card:hover::before { opacity: 1; }
    .glass-service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--glass-shadow-hover);
      border-color: transparent;
      text-decoration: none;
      color: inherit;
    }
    .glass-service-icon {
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, rgba(231,60,0,0.1), rgba(240,90,40,0.1));
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 24px;
      font-size: 28px;
      color: #e73c00;
      transition: all 0.4s ease;
    }
    .glass-service-card:hover .glass-service-icon {
      transform: scale(1.1);
      box-shadow: 0 8px 24px rgba(231,60,0,0.2);
    }
    .glass-service-card h3 {
      font-size: 20px;
      font-weight: 600;
      color: #333;
      margin-bottom: 12px;
    }
    .glass-service-card p {
      font-size: 14px;
      color: #666;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .glass-service-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #e73c00;
      font-size: 14px;
      font-weight: 500;
      transition: gap 0.3s ease;
    }
    .glass-service-card:hover .glass-service-link { gap: 10px; }
    @media (max-width: 991px) {
      .glass-services { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 576px) {
      .glass-services { grid-template-columns: 1fr; }
      .glass-service-card { padding: 30px 24px; }
    }

    /* ===== 案例展示 ===== */
    .glass-cases { padding: 0 15px; }
    .glass-case-tabs {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }
    .glass-case-tab {
      padding: 10px 24px;
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: 50px;
      color: #666;
      font-size: 14px;
      cursor: pointer;
      transition: all 0.35s ease;
      text-decoration: none;
    }
    .glass-case-tab:hover, .glass-case-tab.active {
      background: linear-gradient(135deg, #e73c00, #f05a28);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 8px 24px rgba(231,60,0,0.3);
      text-decoration: none;
    }
    .glass-case-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .glass-case-item {
      position: relative;
      border-radius: var(--glass-radius);
      overflow: hidden;
      aspect-ratio: 4/3;
      cursor: pointer;
      transition: all 0.4s ease;
    }
    .glass-case-item img {
      width: 100%; height: 100%; object-fit: cover;
      transition: transform 0.6s ease;
    }
    .glass-case-item:hover img { transform: scale(1.1); }
    .glass-case-overlay {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 30px 20px 20px;
      background: linear-gradient(transparent, rgba(0,0,0,0.85));
      transition: all 0.4s ease;
    }
    .glass-case-item:hover .glass-case-overlay {
      padding-bottom: 30px;
      background: linear-gradient(transparent, rgba(0,0,0,0.95));
    }
    .glass-case-overlay h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 6px;
      font-weight: 600;
    }
    .glass-case-overlay p {
      font-size: 13px;
      color: #ccc;
      margin: 0;
    }
    .glass-case-tag {
      position: absolute;
      top: 16px; right: 16px;
      padding: 6px 14px;
      background: rgba(231,60,0,0.9);
      backdrop-filter: blur(10px);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      border-radius: 50px;
    }
    @media (max-width: 1199px) { .glass-case-grid { grid-template-columns: repeat(3, 1fr); } }
    @media (max-width: 991px) { .glass-case-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 576px) { .glass-case-grid { grid-template-columns: 1fr; } }

    /* ===== 优势 ===== */
    .glass-advantages {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .glass-advantage-card {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--glass-radius);
      padding: 40px;
      display: flex;
      gap: 24px;
      transition: all 0.4s ease;
    }
    .glass-advantage-card:hover {
      border-color: var(--glass-border-hover);
      transform: translateY(-6px);
      box-shadow: var(--glass-shadow-hover);
    }
    .glass-advantage-num {
      font-size: 42px;
      font-weight: 700;
      color: #e73c00;
      opacity: 0.4;
      line-height: 1;
      flex-shrink: 0;
      width: 60px;
    }
    .glass-advantage-content h4 {
      font-size: 20px;
      font-weight: 600;
      color: #333;
      margin-bottom: 12px;
    }
    .glass-advantage-content ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .glass-advantage-content ul li {
      font-size: 14px;
      color: #666;
      line-height: 1.9;
      padding-left: 16px;
      position: relative;
      margin-bottom: 6px;
    }
    .glass-advantage-content ul li::before {
      content: '';
      position: absolute;
      left: 0; top: 10px;
      width: 6px; height: 6px;
      background: linear-gradient(135deg, #e73c00, #f05a28);
      border-radius: 50%;
    }
    @media (max-width: 991px) {
      .glass-advantages { grid-template-columns: 1fr; }
      .glass-advantage-card { padding: 30px; }
    }

    /* ===== 产品Swiper ===== */
    .glass-products { padding: 0 40px; }
    .glass-products .swiper-slide {
      border-radius: var(--glass-radius);
      overflow: hidden;
      transition: all 0.4s ease;
    }
    .glass-products .swiper-slide:hover {
      transform: translateY(-8px);
      box-shadow: var(--glass-shadow-hover);
    }
    .glass-products .swiper-slide a { display: block; position: relative; }
    .glass-products .swiper-slide img {
      width: 100%; height: 240px; object-fit: cover;
      transition: transform 0.5s ease;
    }
    .glass-products .swiper-slide:hover img { transform: scale(1.08); }
    .glass-products .swiper-slide h5 {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 20px;
      background: linear-gradient(transparent, rgba(0,0,0,0.85));
      color: #fff;
      font-size: 16px;
      margin: 0;
    }
    .glass-products .swiper-button-next,
    .glass-products .swiper-button-prev {
      background: #fff;
      border: 1px solid #e0e0e0;
      width: 44px; height: 44px;
      border-radius: 50%;
      color: #666;
      transition: all 0.3s ease;
    }
    .glass-products .swiper-button-next:hover,
    .glass-products .swiper-button-prev:hover {
      background: linear-gradient(135deg, #e73c00, #f05a28);
      border-color: transparent;
      color: #fff;
    }
    .glass-products .swiper-pagination-bullet {
      background: rgba(0,0,0,0.3);
      opacity: 1;
    }
    .glass-products .swiper-pagination-bullet-active {
      background: #e73c00;
      width: 20px; border-radius: 4px;
    }

    /* ===== 新闻卡片 ===== */
    .glass-news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .glass-news-card {
      background: var(--glass-bg);
      backdrop-filter: var(--glass-blur);
      -webkit-backdrop-filter: var(--glass-blur);
      border: 1px solid var(--glass-border);
      border-radius: var(--glass-radius);
      overflow: hidden;
      transition: all 0.4s ease;
      text-decoration: none;
      color: inherit;
      display: block;
    }
    .glass-news-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--glass-shadow-hover);
      border-color: var(--glass-border-hover);
      text-decoration: none;
      color: inherit;
    }
    .glass-news-card .img-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/10;
    }
    .glass-news-card .img-wrap img {
      width: 100%; height: 100%; object-fit: cover;
      transition: transform 0.5s ease;
    }
    .glass-news-card:hover .img-wrap img { transform: scale(1.08); }
    .glass-news-card .img-wrap .tag {
      position: absolute;
      top: 12px; left: 12px;
      padding: 4px 12px;
      background: rgba(231,60,0,0.9);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      border-radius: 50px;
    }
    .glass-news-card .content {
      padding: 24px;
    }
    .glass-news-card .content h4 {
      font-size: 17px;
      font-weight: 600;
      color: #333;
      margin-bottom: 12px;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .glass-news-card .content p {
      font-size: 14px;
      color: #666;
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
    }
    .glass-news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #999;
    }
    .glass-news-meta .read-more {
      color: #e73c00;
      font-weight: 500;
      transition: gap 0.3s ease;
    }
    @media (max-width: 991px) { .glass-news-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 576px) { .glass-news-grid { grid-template-columns: 1fr; } }

    /* ===== CTA ===== */
    .glass-cta-section {
      position: relative;
      padding: 100px 0;
      text-align: center;
      overflow: hidden;
    }
    .glass-cta-bg {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: linear-gradient(135deg, rgba(231,60,0,0.05), rgba(240,90,40,0.05));
      filter: blur(100px);
      pointer-events: none;
    }
    .glass-cta-card {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
      padding: 60px 40px;
      background: #fff;
      border: 1px solid #f0f0f0;
      border-radius: var(--glass-radius);
      box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    }
    .glass-cta-card h2 {
      font-size: 36px;
      font-weight: 700;
      color: #333;
      margin-bottom: 16px;
    }
    .glass-cta-card p {
      font-size: 18px;
      color: #666;
      margin-bottom: 30px;
    }
    .glass-cta-phone {
      font-size: 42px;
      font-weight: 700;
      background: linear-gradient(135deg, #e73c00, #f05a28);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: inline-block;
      margin-bottom: 20px;
    }
    @media (max-width: 768px) {
      .glass-cta-section { padding: 60px 0; }
      .glass-cta-card { padding: 40px 24px; }
      .glass-cta-card h2 { font-size: 24px; }
      .glass-cta-phone { font-size: 28px; }
    }

    /* ===== 滚动动画 ===== */
    .glass-reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.8s ease;
    }
    .glass-reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }