/* ================================================
       字体引入（思源黑体 CN 优先）
       ================================================ */
    @import url('https://fonts.googleapis.cn/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

    /* ================================================
       CSS 变量 & 重置
       ================================================ */
    :root {
      --primary: #1e40af;
      --primary-light: #3b82f6;
      --primary-dark: #1e3a8a;
      --accent: #f59e0b;
      --accent-light: #fbbf24;
      --bg-white: #ffffff;
      --bg-gray: #f8fafc;
      --bg-dark: #0f172a;
      --text-primary: #1e293b;
      --text-secondary: #64748b;
      --text-light: #94a3b8;
      --border: #e2e8f0;
      --shadow: 0 4px 24px rgba(0,0,0,0.08);
      --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
      --radius: 16px;
      --radius-sm: 10px;
      --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      -webkit-tap-highlight-color: transparent;
    }

    html, body {
      width: 100%;
      height: 100%;
      overflow-y: auto;
      font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: var(--bg-dark);
      color: var(--text-primary);
    }

    /* ================================================
       引导页（封面）
       ================================================ */
    #cover {
      position: fixed;
      inset: 0;
      background: transparent;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 100;
      transition: opacity 0.6s ease, transform 0.6s ease;
      overflow-y: auto;
    }
    
    /* 静态背景图 */
    /* 静态背景图 */
    .cover-panorama {
      position: absolute;
      inset: 0;
      z-index: 1;
      background: url('../img/p1.jpg') center center / cover no-repeat;
    }
    
    /* 内容层 */
    .cover-content {
      position: relative;
      z-index: 3;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      background: transparent;  /* 完全透明 */
      width: 100%;
      height: 100%;
    }

    #cover.hidden {
      opacity: 0;
      transform: scale(1.05);
      pointer-events: none;
    }

    .cover-logo {
      width: 100px;
      height: 100px;
      background: rgba(255,255,255,0.15);  /* 稍微亮一点的透明背景 */
      border-radius: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(10px);
      border: 2px solid rgba(255,255,255,0.3);
      overflow-y: auto;
      /* 定位：固定在屏幕高度的 1/5 (20%) 处，再上移 80px */
      position: absolute;
      top: calc(20% - 80px);
      left: 50%;
      transform: translateX(-50%);
    }

    .cover-logo img {
      width: 80%;
      height: 80%;
      object-fit: contain;
    }

    /* 装饰横线（金色）*/
    #cover .cover-divider {
      width: 80px;
      height: 2px;
      background: linear-gradient(90deg, transparent, #fbbf24, transparent);
      margin: 14px auto;  /* 与其他中间行等距 */
      transform: translateY(-80px);  /* 整体上移 80px */
    }

    /* 主名称：智影 · 全影通 */
    #cover .cover-brand {
      color: white;
      font-size: 40px;  /* 固定字号 40px */
      font-weight: 700;
      margin: 14px 0;  /* 与其他中间行等距 */
      text-align: center;
      letter-spacing: 0.02em;
      text-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 30px rgba(0,0,0,0.3);
      transform: translateY(-80px);  /* 整体上移 80px */
    }

    /* 英文名：ZhiYing VistaPass */
    #cover .cover-brand-en {
      color: rgba(255,255,255,0.85);
      font-size: clamp(16px, 2.5vw, 24px);
      font-weight: 500;
      margin: 14px 0;  /* 与其他中间行等距 */
      text-align: center;
      letter-spacing: 0.08em;
      transform: translateY(-80px);  /* 整体上移 80px */
    }

    /* Slogan：全景营销  一通百通（与主名称同字号，立体阴影，缓慢呼吸 + 微缩放） */
    #cover .cover-slogan {
      color: #ffffff;
      font-size: 48px;
      font-weight: 700;
      margin: 14px 0;  /* 与其他中间行等距 */
      text-align: center;
      letter-spacing: 0.18em;
      transform-origin: center center;  /* 中心点缩放，避免偏移 */
      /* 立体阴影：顶部高光 + 多层暗影 + 呼吸光晕 */
      text-shadow:
        0 1px 0 rgba(255,255,255,0.4),
        0 2px 2px rgba(0,0,0,0.4),
        0 3px 6px rgba(0,0,0,0.35),
        0 5px 12px rgba(0,0,0,0.25),
        0 0 15px rgba(255,255,255,0.4),
        0 0 25px rgba(251,191,36,0.3);
      animation: slogan-breath 2.5s ease-in-out infinite;
      /* transform: translateY(-80px) 已被 keyframes 接管 */
    }

    @keyframes slogan-breath {
      /* 起始/结束：弱光晕 + 原始大小（scale 1.0） */
      0%, 100% {
        transform: translateY(-80px) scale(1);
        text-shadow:
          0 1px 0 rgba(255,255,255,0.4),       /* 白色高光 */
          0 2px 2px rgba(0,0,0,0.4),           /* 立体阴影 1 */
          0 3px 6px rgba(0,0,0,0.35),          /* 立体阴影 2 */
          0 5px 12px rgba(0,0,0,0.25),         /* 立体阴影 3 */
          0 0 15px rgba(255,255,255,0.4),      /* 白色光晕：弱 */
          0 0 25px rgba(251,191,36,0.3);       /* 金色光晕：弱 */
      }
      /* 峰值：强光晕 + 4% 放大（scale 1.04） */
      50% {
        transform: translateY(-80px) scale(1.04);
        text-shadow:
          0 1px 0 rgba(255,255,255,0.85),      /* 白色高光：增强 +0.45 */
          0 2px 3px rgba(0,0,0,0.5),           /* 立体阴影 1：+0.1 */
          0 4px 10px rgba(0,0,0,0.4),          /* 立体阴影 2：+0.05 */
          0 7px 18px rgba(0,0,0,0.3),          /* 立体阴影 3：+0.05 */
          0 0 35px rgba(255,255,255,0.9),      /* 白色光晕：强 +0.5 */
          0 0 60px rgba(251,191,36,0.85);      /* 金色光晕：强 +0.55 */
      }
    }

    .cover-start {
      background: rgba(0,0,0,0.5);
      color: #ffffff;
      border: 1px solid rgba(255,255,255,0.2);
      padding: 12px 32px;
      border-radius: 50px;
      font-size: 18px;
      font-weight: 600;
      letter-spacing: 0.1em;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 4px 20px rgba(0,0,0,0.4);
      display: flex;
      align-items: center;
      gap: 12px;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      margin-top: 60px;  /* 按钮向下移动 60px */
    }

    .cover-start:hover {
      transform: scale(1.08);
      background: rgba(0,0,0,0.65);
      box-shadow: 0 8px 30px rgba(0,0,0,0.5);
      border-color: rgba(251,191,36,0.6);
    }

    .cover-start svg {
      width: 22px;
      height: 22px;
      fill: #ffffff;
    }

    /* ================================================
       主容器
       ================================================ */
    #presentation {
      width: 100%;
      height: 100%;
      position: relative;
    }

    /* ================================================
       页面（每一页）
       ================================================ */
    .page {
      position: absolute;
      inset: 0;
      padding: 0;
      opacity: 0;
      transform: translateX(100%);
      transition: opacity 0.35s ease-out, transform 0.35s ease-out;
      overflow-y: auto;
      overflow-x: hidden;
      -webkit-overflow-scrolling: touch;
      touch-action: pan-y;
      z-index: 1;
    }

    .page.active {
      opacity: 1;
      z-index: 10;
    }

    /* ================================================
       进度条
       ================================================ */
    .progress-bar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 5px;
      background: rgba(30,64,175,0.15);
      z-index: 200;
    }
    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      transition: width 0.4s ease;
      border-radius: 0 3px 3px 0;
      box-shadow: 0 0 10px rgba(30,64,175,0.3);
    }

    /* ================================================
       底部导航
       ================================================ */
    .nav-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: 64px;
      background: transparent;
      backdrop-filter: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 20px;
      z-index: 200;
      border-top: none;
      transition: background 0.3s ease;
    }

    /* 背景模式1：完全透明 */
    .nav-bar.bg-mode-1 {
      background: transparent;
      backdrop-filter: none;
      border-top: none;
    }

    /* 背景模式2：半透明淡化 */
    .nav-bar.bg-mode-2 {
      background: rgba(255,255,255,0.5);
      backdrop-filter: none;
      border-top: none;
    }

    /* 背景模式3：毛玻璃效果（默认） */
    .nav-bar.bg-mode-3 {
      background: rgba(255,255,255,0.75);
      backdrop-filter: blur(16px);
      border-top: 1px solid rgba(255,255,255,0.3);
    }

    .nav-btn {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      border: 2px solid transparent;
      background: white;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
      flex-shrink: 0;
      font-size: 24px;
      color: var(--primary);
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .nav-btn:disabled {
      opacity: 0.3;
      cursor: not-allowed;
      box-shadow: none;
    }

    .nav-btn:not(:disabled):hover {
      border-color: var(--primary);
      background: var(--primary);
      color: white;
      transform: scale(1.05);
    }

    .page-dots {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .dot {
      width: 20px;
      height: 6px;
      border-radius: 3px;
      background: #d1d5db;
      cursor: pointer;
      transition: all 0.3s;
      flex-shrink: 0;
    }

    .dot.active {
      background: var(--primary);
      width: 28px;
      border-radius: 3px;
    }

    /* 点击翻页区域 */
    .click-area {
      position: absolute;
      top: 0;
      bottom: 80px;
      width: 25%;
      z-index: 10;
      cursor: pointer;
      opacity: 0;
      transition: opacity 0.2s;
    }
    .click-area:hover { opacity: 1; }
    .click-area.left { left: 0; background: linear-gradient(to right, rgba(30,64,175,0.05), transparent); }
    .click-area.right { right: 0; background: linear-gradient(to left, rgba(30,64,175,0.05), transparent); }
    .click-area::after {
      content: '';
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(30,64,175,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .click-area.left::after { left: 20px; content: '‹'; font-size: 28px; color: var(--primary); text-align: center; line-height: 40px; }
    .click-area.right::after { right: 20px; content: '›'; font-size: 28px; color: var(--primary); text-align: center; line-height: 40px; }
    
    .page-title-indicator {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(30,64,175,0.9);
      color: white;
      padding: 8px 20px;
      border-radius: 24px;
      font-size: 14px;
      font-weight: 500;
      z-index: 100;
      opacity: 0;
      transition: opacity 0.3s;
    }
    .page-title-indicator.show { opacity: 1; }

    .page-num {
      font-size: 14px;
      color: var(--text-secondary);
      font-weight: 500;
      min-width: 48px;
      text-align: center;
    }

    /* ================================================
       通用页面布局
       ================================================ */
    .page-inner {
      min-height: calc(100% - 64px);
      padding: 40px 24px 80px;
      max-width: 800px;
      margin: 0 auto;
    }

    /* ================================================
       第1页：公司介绍
       ================================================ */
    .page-company {
      background: linear-gradient(180deg, #eff6ff 0%, white 100%);
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary);
      color: white;
      font-size: 12px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 50px;
      margin-bottom: 20px;
      letter-spacing: 1px;
    }

    .section-label svg {
      width: 12px;
      height: 12px;
      fill: white;
    }

    .page-title {
      font-size: clamp(26px, 6vw, 36px);
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .page-subtitle {
      font-size: 26px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .device-showcase {
      margin-bottom: 24px;
    }

    .device-showcase h3 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 14px;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .device-showcase h3::before {
      content: '';
      width: 4px;
      height: 16px;
      background: var(--primary);
      border-radius: 2px;
    }

    .device-list {
      display: flex;
      gap: 6px;
    }

    .device-item {
      flex: 1;
      display: flex;
      align-items: center;
      flex-direction: row;
      gap: 0;
      background: white;
      border-radius: var(--radius);
      padding: 12px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    }

    .device-item .device-info {
      flex: 1;
      text-align: left;
      padding-left: 8px;
    }

    .device-item .device-img {
      width: 80px;
      height: 80px;
      border-radius: 8px;
      overflow-y: auto;
      flex-shrink: 0;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .device-item .device-img:hover {
      transform: scale(1.05);
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

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

    .device-item .device-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 2px;
    }

    .device-item .device-desc {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }

    .device-item .device-tag {
      display: inline-block;
      font-size: 11px;
      padding: 2px 8px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      font-weight: 500;
    }

    /* 公司副标题 */
    .company-subtitle {
      font-size: 24px;
      color: var(--primary);
      margin-top: 8px;
      margin-bottom: 20px;
      font-weight: 600;
      letter-spacing: 1px;
    }

    /* 全链路服务 - 竖向排列 */
    .service-chain {
      background: linear-gradient(135deg, var(--primary), #2563eb);
      border-radius: var(--radius);
      padding: 16px;
      margin-bottom: 20px;
      color: white;
    }

    .service-header {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-header svg {
      width: 16px;
      height: 16px;
      fill: white;
    }

    .service-steps {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .service-step {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.15);
    }

    .service-step:last-child {
      border-bottom: none;
    }

    .step-icon {
      width: 28px;
      height: 28px;
      background: rgba(255,255,255,0.2);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .step-content {
      flex: 1;
    }

    .step-title {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 2px;
    }

    .step-desc {
      font-size: 12px;
      opacity: 0.85;
      line-height: 1.4;
    }

    /* 设备展示 */
    .device-showcase {
      margin-bottom: 16px;
    }

    .device-showcase h3 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text-primary);
    }

    .device-list {
      display: flex;
      gap: 6px;
    }

    .device-item {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2px;
      padding: 10px;
      background: var(--card-bg);
      border-radius: var(--radius);
      border: 1px solid var(--border);
    }

    .device-img {
      width: 50px;
      height: 50px;
      border-radius: 6px;
      overflow-y: auto;
      flex-shrink: 0;
      background: var(--bg-secondary);
    }

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

    .device-info {
      display: flex;
      flex-direction: column;
      gap: 2px;
      max-width: 90px;
      flex-shrink: 0;
    }

    .device-name {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .device-desc {
      font-size: 11px;
      color: var(--text-secondary);
    }

    /* 联系方式 - 三行布局 */
    .contact-compact {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding-top: 14px;
      border-top: 1px solid var(--border);
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-secondary);
    }

    .contact-row svg {
      width: 14px;
      height: 14px;
      fill: var(--primary);
      flex-shrink: 0;
    }

    .contact-label {
      font-weight: 600;
      color: var(--text-primary);
      min-width: 40px;
    }

    /* 公司简介 */
    .company-intro {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-primary);
      margin-bottom: 16px;
    }

    /* ================================================
       第2页：什么是VR全景
       ================================================ */
    .page-vr {
      background: linear-gradient(180deg, #f8fafc 0%, white 100%);
    }

    .comparison-demo {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 28px;
    }

    .demo-card {
      border-radius: var(--radius);
      overflow-y: auto;
      background: var(--card-bg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: all 0.3s;
      cursor: pointer;
    }
    .advantages-section {
      margin-top: 24px;
    }

    
    .advantages-title {
      font-size: 18px;
      color: #1f2937;
      margin: 0 0 20px 0;
      padding-left: 20px;
      border-left: 3px solid #3b82f6;
    }
    
    .advantage-item {
      display: flex;
      align-items: flex-start;
      padding: 12px 20px;
      margin-bottom: 8px;
      background: rgba(255, 255, 255, 0.6);
      border-radius: 8px;
    }
    
    .advantage-num {
      font-size: 20px;
      font-weight: 700;
      color: #3b82f6;
      margin-right: 16px;
      min-width: 30px;
    }
    
    .advantage-content h4 {
      font-size: 15px;
      color: #1f2937;
      margin: 0 0 6px 0;
      font-weight: 600;
    }
    
    .advantage-content p {
      font-size: 13px;
      color: #6b7280;
      margin: 0;
      line-height: 1.6;
    }

/* border: 1px solid var(--border); */
      box-shadow: var(--shadow);
    }

    .demo-card.bad {
      opacity: 0.7;
    }

    .demo-card .demo-img {
      height: 120px;
      background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 8px;
    }

    /* === 文字特效：呼吸光晕 === */
    .demo-card .demo-img {
      position: relative;
      z-index: 1;
    }

    .demo-card .demo-img > span {
      position: relative;
      z-index: 2;
      display: inline-block;
      padding: 0;
      background: transparent;
      border-radius: 0;
      color: #fff;
      font-weight: 600;
      text-shadow:
        0 0 6px rgba(255, 255, 255, 0.95),
        0 0 12px rgba(251, 191, 36, 0.8),
        0 0 22px rgba(251, 191, 36, 0.55);
      animation: glow-breath 2.5s ease-in-out infinite;
    }

    /* 呼吸光晕关键帧 */
    @keyframes glow-breath {
      0%, 100% {
        opacity: 0.88;
        transform: scale(1);
      }
      50% {
        opacity: 1;
        transform: scale(1.07);
      }
    }

    .demo-card.bad .demo-img {
      background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    }

    .demo-card.good .demo-img {
      background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    }

    .demo-img svg {
      width: 36px;
      height: 36px;
    }

    .demo-card.bad .demo-img svg { fill: #f59e0b; }
    .demo-card.good .demo-img svg { fill: var(--primary); }

    .demo-label {
      font-size: 12px;
      font-weight: 600;
      padding: 8px;
      text-align: center;
    }

    .demo-card.bad .demo-label {
      background: #fef3c7;
      color: #92400e;
    }

    .demo-card.good .demo-label {
      background: #dbeafe;
      color: var(--primary);
    }

    .feature-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .feature-item {
      background: white;
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: var(--shadow);
      /* border: 1px solid var(--border); */
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .feature-item .feat-icon {
      width: 44px;
      height: 44px;
      background: #eff6ff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-item .feat-icon svg {
      width: 22px;
      height: 22px;
      fill: var(--primary);
    }

    .feature-item .feat-text h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .feature-item .feat-text p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    .platform-badges {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .platform-badge {
      background: white;
      /* border: 1px solid var(--border); */
      border-radius: 50px;
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-secondary);
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    }

    /* ================================================
       第3页：价值展示
       ================================================ */
    .page-value {
      background: linear-gradient(180deg, #eff6ff 0%, white 100%);
    }

    .value-tabs {
      display: flex;
      gap: 8px;
      margin-bottom: 24px;
    }

    .value-tab {
      flex: 1;
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border);
      background: white;
      cursor: pointer;
      text-align: center;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-secondary);
      transition: var(--transition);
    }

    .value-tab.active {
      border-color: var(--primary);
      background: var(--primary);
      color: white;
    }

    .value-content {
      display: none;
    }

    .value-content.active {
      display: block;
    }

    .stat-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 10px;
      margin-bottom: 24px;
    }

    .stat-card {
      background: white;
      border-radius: var(--radius);
      padding: 16px 10px;
      text-align: center;
      box-shadow: var(--shadow);
      /* border: 1px solid var(--border); */
    }

    .stat-card .stat-num {
      font-size: clamp(20px, 5vw, 28px);
      font-weight: 700;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 4px;
    }

    .stat-card .stat-num.up {
      color: #16a34a;
    }

    .stat-card .stat-label {
      font-size: 11px;
      color: var(--text-secondary);
      line-height: 1.3;
    }

    .benefit-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .benefit-item {
      background: white;
      border-radius: var(--radius);
      padding: 14px 16px;
      display: flex;
      gap: 12px;
      align-items: center;
      box-shadow: var(--shadow);
      /* border: 1px solid var(--border); */
    }

    .benefit-item .b-check {
      width: 24px;
      height: 24px;
      background: #dcfce7;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .benefit-item .b-check svg {
      width: 12px;
      height: 12px;
      fill: #16a34a;
    }

    .benefit-item .b-text {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-primary);
    }

    /* ================================================
       第4页：服务套餐
       ================================================ */
    .page-packages {
      background: linear-gradient(180deg, #f8fafc 0%, white 100%);
    }

    .trust-badges {
      display: flex;
      justify-content: center;
      gap: 24px;
      margin-top: 16px;
      flex-wrap: wrap;
    }
    .trust-badges span {
      color: #059669;
      font-size: 14px;
      font-weight: 500;
    }

    .package-cards {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .package-card:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
    }

    .package-card:hover .pkg-header {
      background: linear-gradient(135deg, var(--primary), #2563eb);
      color: white;
    }

    .package-card {
      background: white;
      border-radius: var(--radius);
      border: 2px solid var(--border);
      overflow-y: auto;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .package-card.featured {
      border-color: var(--primary);
    }

    .package-card:hover.featured {
      transform: none;
    }

    .package-card:hover.featured .pkg-header {
      background: linear-gradient(135deg, var(--primary), #2563eb);
    }

    .package-card .pkg-header {
      padding: 18px 20px;
      background: var(--bg-gray);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .package-card.featured .pkg-header {
      background: linear-gradient(135deg, var(--primary), #2563eb);
      color: white;
    }

    .pkg-name {
      font-size: 18px;
      font-weight: 700;
    }

    .pkg-tag {
      background: rgba(255,255,255,0.2);
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
    }

    .package-card:not(.featured) .pkg-tag {
      background: #eff6ff;
      color: var(--primary);
    }

    .pkg-price-row {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
    }

    .pkg-price {
      font-size: 28px;
      font-weight: 700;
      color: var(--text-primary);
    }

    .package-card.featured .pkg-price {
      color: var(--primary);
    }

    .pkg-unit {
      font-size: 13px;
      color: var(--text-secondary);
      font-weight: 400;
    }

    .pkg-price-note {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 2px;
    }

    .pkg-desc {
      font-size: 14px;
      color: #666;
      text-align: left;
      padding: 8px 16px 0;
      line-height: 1.5;
    }

    .pkg-features {
      padding: 16px 20px;
    }

    .pkg-features li {
      list-style: none;
      padding: 8px 0;
      font-size: 14px;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid var(--border);
    }

    .pkg-features li:last-child {
      border-bottom: none;
    }

    .pkg-features li .li-check {
      width: 18px;
      height: 18px;
      background: #dcfce7;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .pkg-features li .li-check svg {
      width: 10px;
      height: 10px;
      fill: #16a34a;
    }

    /* 套餐表格对比 */
    .package-table-wrapper {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      margin: 0 -16px;
      padding: 0 16px;
    }
    .package-table {
      width: 100%;
      min-width: 500px;
      border-collapse: collapse;
      background: white;
      border-radius: var(--radius);
      overflow-y: auto;
      box-shadow: var(--shadow);
      font-size: 13px;
    }
    .package-table th,
    .package-table td {
      padding: 12px 8px;
      text-align: center;
      border: none;
      border-bottom: 1px solid var(--border);
    }
    .th-feature {
      background: white;
      font-weight: 600;
      color: var(--text-primary);
      text-align: center !important;
    }
    .th-package {
      background: white;
      vertical-align: middle;
    }
    .th-package.featured {
      background: linear-gradient(135deg, var(--primary), #2563eb);
      color: white;
    }
    .th-package.featured .pkg-tag-small {
      background: rgba(255,255,255,0.2);
      color: white;
    }
    .th-package.featured .pkg-price {
      color: white;
    }
    .th-package.featured .pkg-name {
      color: white;
    }
    .th-package.featured .pkg-unit {
      color: rgba(255,255,255,0.8);
    }
    .pkg-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 4px;
    }
    .pkg-tag-small {
      display: inline-block;
      background: #eff6ff;
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 10px;
      font-size: 11px;
      font-weight: 500;
      margin-bottom: 4px;
    }
    .pkg-tag-small.recommend {
      background: #fef3c7;
      color: #d97706;
    }
    .pkg-price {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
    }
    .pkg-unit {
      font-size: 11px;
      color: var(--text-secondary);
      font-weight: 400;
    }
    .td-feature {
      text-align: center !important;
      font-weight: 500;
      color: var(--text-primary);
      background: white;
    }
    .package-table td {
      background: white;
      color: var(--text-secondary);
    }
    .package-table td.featured {
      background: white;
      color: var(--primary);
      font-weight: 600;
    }
    .package-table td.check {
      background: white;
      color: #16a34a;
      font-weight: 700;
      font-size: 16px;
    }
    .package-table td.no {
      background: white;
      color: #cbd5e1;
    }
    .package-table td.featured.check {
      background: white;
    }
    .package-table td.featured.no {
      background: white;
    }
    .tr-maintenance td {
      background: white;
      font-weight: 600;
    }
    .tr-maintenance td.featured {
      background: white;
    }

    /* 第一行获客版单元格 */
    .tr-first td {
      border-top: 1px solid var(--border);
    }
    .tr-first td.featured {
      background: white;
      color: var(--primary);
      font-weight: 600;
    }

    /* 表格完整边框 */
    .package-table th,
    .package-table td {
      border: 1px solid var(--border) !important;
    }

    /* 单项产品与增值服务 */
    .extra-section {
      background: white;
      border-radius: var(--radius);
      padding: 14px 16px;
      box-shadow: var(--shadow);
    }
    .extra-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
      padding-bottom: 8px;
      border-bottom: 2px solid var(--primary);
    }
    /* 单项产品表头 */
    .extra-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 10px;
      background: transparent;
      font-size: 12px;
      font-weight: 600;
      color: #333;
      border-bottom: 1px solid var(--border);
      margin-bottom: 4px;
    }
    .extra-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 8px;
    }
    /* 双表格并排布局 */
    .dual-table {
      display: flex;
      gap: 16px;
    }
    .single-table {
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .single-table.four-col .extra-header,
    .single-table.four-col .extra-item {
      display: grid;
      grid-template-columns: 30% 20% 20% 30%;
      align-items: center;
      padding: 1px;
      border: 1px solid var(--border);
      margin: -0.5px;
      text-align: center;
    }
    .single-table.four-col .extra-header {
      background: #f8fafc;
      font-weight: 600;
      font-size: 13px;
      color: #333;
      text-align: center;
    }
    .single-table.four-col .extra-header .extra-name,
    .single-table.four-col .extra-header .extra-spec,
    .single-table.four-col .extra-header .extra-price,
    .single-table.four-col .extra-header .extra-scene {
      color: #333;
      font-size: 13px;
      font-weight: 600;
      text-align: center;
    }
    .single-table.four-col .extra-item .extra-name,
    .single-table.four-col .extra-item .extra-spec,
    .single-table.four-col .extra-item .extra-price,
    .single-table.four-col .extra-item .extra-scene {
      text-align: center;
    }
    .single-table.four-col .extra-item {
      background: #fff;
      font-size: 13px;
      color: #333;
      text-align: center;
      margin-top: -1px;
    }
    .single-table.four-col .extra-item:last-child {
      border-bottom: 1px solid var(--border);
    }
    .single-table.four-col .extra-scene {
      font-size: 12px;
      color: #666;
      padding: 0;
    }
    .single-table.four-col .extra-header .extra-scene {
      font-size: 13px;
      color: #333;
      padding: 0;
    }
    .single-table.four-col .extra-item {
      display: grid;
      grid-template-columns: 30% 20% 20% 30%;
      justify-items: center;
      padding: 8px 10px;
      background: #fff;
      font-size: 13px;
      color: #333;
      text-align: center;
    }
    .extra-name {
      font-weight: 600;
      color: var(--text-primary);
      text-align: center;
    }
    .extra-spec {
      color: #64748b;
      font-size: 11px;
      text-align: center;
    }
    .extra-price {
      font-weight: 700;
      color: var(--primary);
      white-space: nowrap;
      text-align: center;
    }

    /* 增值服务单列布局 */
    .extra-grid.single-col {
      grid-template-columns: 1fr;
      gap: 8px;
    }
    .extra-header.four-col {
      display: grid;
      grid-template-columns: 20% 12% 35% 33%;
      align-items: center;
      justify-items: center;
      background: transparent;
      border: none;
      border-bottom: 1px solid #ddd;
      padding: 8px 12px;
      gap: 8px;
      text-align: center;
      font-weight: 600;
      color: #333;
    }
    .extra-header.four-col .extra-name,
    .extra-header.four-col .extra-price,
    .extra-header.four-col .extra-spec,
    .extra-header.four-col .extra-scene {
      width: 100%;
      font-size: 12px;
      font-weight: 600;
      color: #333;
      text-align: center;
    }
    .extra-item.four-col {
      display: grid;
      grid-template-columns: 20% 12% 35% 33%;
      align-items: center;
      justify-items: center;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 10px 12px;
      gap: 8px;
      text-align: center;
    }
    .extra-item.four-col .extra-name {
      width: 100%;
      font-weight: 600;
      color: #1e293b;
      text-align: center;
    }
    .extra-item.four-col .extra-price {
      width: 100%;
      color: var(--primary);
      font-weight: 700;
    }
    .extra-item.four-col .extra-spec {
      width: 100%;
      font-size: 11px;
      color: #64748b;
      text-align: center;
    }
    .extra-item.four-col .extra-scene {
      width: 100%;
      font-size: 11px;
      color: #64748b;
      text-align: center;
    }

    /* 维护费说明 */
    .maintenance-info {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .m-row {
      display: flex;
      align-items: flex-start;
      font-size: 12px;
      line-height: 1.5;
    }
    .m-label {
      font-weight: 600;
      color: var(--text-primary);
      min-width: 80px;
    }
    .m-value {
      color: #64748b;
      flex: 1;
    }

    /* ================================================
       第5页：成功案例
       ================================================ */
    .page-cases {
      background: linear-gradient(180deg, #eff6ff 0%, white 100%);
    }

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

    .case-card {
      background: white;
      border-radius: var(--radius);
      overflow-y: auto;
      box-shadow: var(--shadow);
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .case-vr {
      height: 140px;
      background: #000;
      cursor: pointer;
      position: relative;
      overflow-y: auto;
    }

    .case-vr iframe {
      width: 100%;
      height: 100%;
      border: none;
    }

    .case-card .case-badge {
      position: absolute;
      top: 8px;
      left: 8px;
      background: var(--primary);
      color: white;
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
      z-index: 10;
    }

    .case-img {
      height: 140px;
      background: linear-gradient(135deg, #dbeafe, #bfdbfe);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 8px;
    }

    .case-img svg {
      width: 40px;
      height: 40px;
      fill: var(--primary);
      opacity: 0.6;
    }

    .case-img .case-badge {
      background: var(--primary);
      color: white;
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
    }

    .case-body {
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .case-body .case-name {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }

    .case-body .case-industry {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 10px;
    }

    .case-desc {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-top: 8px;
    }

    .case-desc-item {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.4;
      padding-left: 12px;
      position: relative;
    }

    .case-desc-item::before {
      content: "•";
      position: absolute;
      left: 0;
      color: #16a34a;
      font-weight: bold;
    }

    /* 全景案例展示样式 */
    .vr-showcase {
      margin-top: 24px;
      background: rgba(255, 255, 255, 0.95);
      border-radius: 16px;
      padding: 20px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      position: relative;
    }
    
    .vr-showcase-header {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 16px;
    }
    
    .vr-showcase-title {
      font-size: 18px;
      color: #1f2937;
      font-weight: 600;
      margin: 0;
    }
    
    .vr-showcase-wrapper {
      position: relative;
      width: 100%;
      height: 400px;
    }
    
    .vr-showcase-container {
      width: 100%;
      height: 100%;
      border-radius: 12px;
      overflow-y: auto;
      background: #000;
      position: relative;
      cursor: pointer;
    }
    
    .vr-showcase-container iframe {
      display: block;
    }

    .vr-fullscreen-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #000;
      z-index: 99999;
      justify-content: center;
      align-items: center;
    }
    
    .vr-fullscreen-modal.show {
      display: flex;
    }
    
    .vr-fullscreen-modal iframe {
      width: 100%;
      height: 100%;
      border: none;
      position: absolute;
      top: 0;
      left: 0;
      z-index: 1;
      pointer-events: none;
    }
    
    .vr-fullscreen-close {
      position: fixed;
      top: 20px;
      right: 20px;
      width: 50px;
      height: 50px;
      border: 3px solid #fff;
      background: rgba(255, 255, 255, 0.2);
      color: #fff;
      border-radius: 50%;
      cursor: pointer;
      font-size: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 999999;
      transition: all 0.3s;
    }
    
    .vr-fullscreen-close:hover {
      background: rgba(239, 68, 68, 0.9);
    }
    .vr-fullscreen-reset {
      position: fixed;
      top: 20px;
      right: 85px;
      width: 50px;
      height: 50px;
      border: 3px solid #fff;
      background: rgba(37, 99, 235, 0.9);
      color: #fff;
      border-radius: 50%;
      font-size: 28px;
      cursor: pointer;
      z-index: 999999;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }
    .vr-fullscreen-reset:hover {
      background: #1d4ed8;
    }

    }

    /* ================================================
       第6页：客户见证
       ================================================ */
    .page-testimonials {
      background: linear-gradient(180deg, #f8fafc 0%, white 100%);
    }

    .testimonial-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .testimonial-card {
      background: white;
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow);
      /* border: 1px solid var(--border); */
    }

    .testimonial-card .quote {
      font-size: 14px;
      color: var(--text-primary);
      line-height: 1.8;
      margin-bottom: 14px;
      font-style: italic;
    }

    .testimonial-card .quote::before {
      content: '"';
      font-size: 28px;
      color: var(--primary);
      font-weight: 700;
      line-height: 0;
      vertical-align: -8px;
      margin-right: 4px;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), #60a5fa);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 16px;
      font-weight: 700;
    }

    .author-info .author-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .author-info .author-title {
      font-size: 12px;
      color: var(--text-secondary);
    }

    .stars {
      display: flex;
      gap: 2px;
      margin-top: 2px;
    }

    .stars svg {
      width: 14px;
      height: 14px;
      fill: var(--accent);
    }

    .roi-section {
      background: white;
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow);
      /* border: 1px solid var(--border); */
      margin-top: 16px;
    }

    .roi-section h3 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--text-primary);
    }

    .roi-disclaimer {
      text-align: right;
      font-size: 11px;
      color: #999;
      margin-top: 8px;
    }

    .roi-bar {
      margin-bottom: 12px;
    }

    .roi-bar .roi-label {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }

    .roi-bar .roi-track {
      height: 8px;
      background: var(--bg-gray);
      border-radius: 4px;
      overflow-y: auto;
    }

    .roi-bar .roi-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), #60a5fa);
      border-radius: 4px;
      transition: width 1s ease;
    }

    /* ================================================
       第7页：立即行动
       ================================================ */
    .page-action {
      background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
      color: white;
    }

    .page-action .section-label {
      background: rgba(255,255,255,0.2);
    }

    .page-testimonials .page-title {
      color: white !important;
    }

    .page-testimonials .page-subtitle {
      color: white !important;
    }

    #page-7 .page-title {
      color: white !important;
    }

    #page-7 .page-subtitle {
      color: white !important;
    }

    .action-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 20px;
    }

    .action-card {
      background: rgba(255,255,255,0.12);
      backdrop-filter: blur(8px);
      border-radius: var(--radius);
      padding: 20px 16px;
      text-align: center;
      border: 1px solid rgba(255,255,255,0.15);
      cursor: pointer;
      transition: var(--transition);
    }

    .action-card:hover {
      background: rgba(255,255,255,0.2);
      transform: translateY(-2px);
    }

    .action-card .ac-icon {
      width: 48px;
      height: 48px;
      background: rgba(255,255,255,0.15);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 10px;
    }

    .action-card .ac-icon svg {
      width: 24px;
      height: 24px;
      fill: white;
    }

    .action-card .ac-title {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .action-card .ac-desc {
      font-size: 11px;
      opacity: 0.7;
    }

    /* 表单区域 */
    .form-section {
      background: rgba(255,255,255,0.95);
      border-radius: var(--radius);
      padding: 24px;
      color: var(--text-primary);
    }

    .form-section h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text-primary);
    }

    .form-section .form-note {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 16px;
    }

    .form-group {
      margin-bottom: 12px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-primary);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-family: inherit;
      transition: var(--transition);
      background: white;
      color: var(--text-primary);
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(30,64,175,0.1);
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }

    .form-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary), #2563eb);
      color: white;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 6px;
    }

    .form-submit:hover {
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(30,64,175,0.4);
    }

    .form-submit svg {
      width: 18px;
      height: 18px;
      fill: white;
    }

    /* ================================================
       合同签署弹窗
       ================================================ */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      z-index: 300;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

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

    .modal {
      background: white;
      border-radius: var(--radius);
      width: 100%;
      max-width: 600px;
      max-height: 90vh;
      overflow-y: auto;
      padding: 28px;
    }

    .modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }

    .modal-header h2 {
      font-size: 18px;
      font-weight: 700;
    }

    .modal-close {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      border: none;
      background: var(--bg-gray);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .modal-close:hover {
      background: var(--border);
    }

    .modal-close svg {
      width: 18px;
      height: 18px;
      fill: var(--text-secondary);
    }

    .contract-text {
      background: var(--bg-gray);
      border-radius: var(--radius-sm);
      padding: 16px;
      font-size: 13px;
      line-height: 1.8;
      color: var(--text-secondary);
      max-height: 300px;
      overflow-y: auto;
      margin-bottom: 16px;
      /* border: 1px solid var(--border); */
    }

    .contract-text h4 {
      font-size: 15px;
      color: var(--text-primary);
      margin-bottom: 10px;
      text-align: center;
    }

    .sign-area {
      margin-top: 16px;
    }

    .sign-area label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .sign-area input {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 18px;
      font-family: 'KaiTi', 'STKaiti', serif;
      letter-spacing: 4px;
      text-align: center;
      transition: var(--transition);
    }

    .sign-area input:focus {
      outline: none;
      border-color: var(--primary);
    }

    .contract-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, #16a34a, #15803d);
      color: white;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      margin-top: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition);
    }

    .contract-submit:hover {
      transform: translateY(-1px);
      box-shadow: 0 4px 16px rgba(22,163,74,0.4);
    }

    .contract-submit svg {
      width: 18px;
      height: 18px;
      fill: white;
    }

    /* ================================================
       成功提示
       ================================================ */
    .success-toast {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) scale(0.8);
      background: white;
      border-radius: var(--radius);
      padding: 32px 40px;
      text-align: center;
      box-shadow: var(--shadow-lg);
      z-index: 400;
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
    }

    .success-toast.show {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }

    .success-toast .check-circle {
      width: 64px;
      height: 64px;
      background: #dcfce7;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
    }

    .success-toast .check-circle svg {
      width: 32px;
      height: 32px;
      fill: #16a34a;
    }

    .success-toast h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 6px;
    }

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

    /* ================================================
       联系信息页脚
       ================================================ */
    .contact-bar {
      background: rgba(255,255,255,0.95);
      border-radius: 16px;
      padding: 20px;
      margin-top: 20px;
    }
    
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    
    .contact-card {
      background: #f8f9fa;
      border-radius: 12px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 8px;
    }
    
    .contact-card .contact-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .contact-card .contact-icon svg {
      width: 20px;
      height: 20px;
      fill: white;
    }
    
    .contact-card .contact-title {
      font-size: 12px;
      color: #888;
      margin-top: 4px;
    }
    
    .contact-card .contact-value {
      font-size: 14px;
      color: #fff;
      font-weight: 600;
      word-break: break-all;
    }
    
    .contact-card .contact-qr {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      object-fit: cover;
      margin-top: 4px;
      border: 2px solid #eee;
    }

    .contact-qr {
      width: 90px;
      height: 90px;
      border-radius: 8px;
      object-fit: cover;
      margin-top: 8px;
      border: 2px solid #eee;
      display: block;
    }

    .contact-item svg {
      width: 16px;
      height: 16px;
      fill: var(--primary);
    }

    /* ================================================
       动画
       ================================================ */
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .page.active .page-inner > * {
      animation: fadeInUp 0.5s ease forwards;
    }

    .page.active .page-inner > *:nth-child(1) { animation-delay: 0.05s; }
    .page.active .page-inner > *:nth-child(2) { animation-delay: 0.1s; }
    .page.active .page-inner > *:nth-child(3) { animation-delay: 0.15s; }
    .page.active .page-inner > *:nth-child(4) { animation-delay: 0.2s; }
    .page.active .page-inner > *:nth-child(5) { animation-delay: 0.25s; }
    .page.active .page-inner > *:nth-child(6) { animation-delay: 0.3s; }
    .page.active .page-inner > *:nth-child(7) { animation-delay: 0.35s; }

    /* ================================================
       响应式
       ================================================ */
    @media (max-width: 480px) {
      .company-info-grid {
        grid-template-columns: 1fr 1fr;
      }
      .device-list {
        flex-direction: column;
      }
      .action-grid {
        grid-template-columns: 1fr 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
    }

    /* ================================================
       图片放大弹窗
       ================================================ */
    .image-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #000;
      z-index: 10000;
      justify-content: center;
      align-items: center;
      cursor: pointer;
    }

    .image-modal.show {
      display: flex;
    }

    .image-modal-content {
      position: relative;
      max-width: 95%;
      max-height: 95%;
      cursor: default;
    }

    .image-modal-content img {
      max-width: 100%;
      max-height: 85vh;
      object-fit: contain;
      border-radius: 8px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    .modal-caption {
      text-align: center;
      color: white;
      font-size: 16px;
      margin-top: 16px;
      font-weight: 500;
    }

    .modal-close {
      position: absolute;
      top: -40px;
      right: 0;
      width: 36px;
      height: 36px;
      border: none;
      background: rgba(255, 255, 255, 0.2);
      color: white;
      font-size: 24px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s;
    }

    .modal-close:hover {
      background: rgba(255, 255, 255, 0.3);
    }

    /* ================================================
       第2页：静态图片滑动查看器
       ================================================ */
    .image-viewer-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.95);
      z-index: 10001;
      justify-content: center;
      align-items: center;
      flex-direction: column;
    }

    .image-viewer-modal.show {
      display: flex;
    }

    .image-viewer-content {
      position: relative;
      width: 90%;
      height: 80%;
      display: flex;
      justify-content: center;
      align-items: center;
      overflow-y: auto;
    }

    .image-viewer-content img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      border-radius: 8px;
      transition: transform 0.3s;
    }

    .image-viewer-nav {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 50px;
      height: 50px;
      background: rgba(255, 255, 255, 0.2);
      border: none;
      border-radius: 50%;
      color: white;
      font-size: 28px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s;
    }

    .image-viewer-nav:hover {
      background: rgba(255, 255, 255, 0.4);
    }

    .image-viewer-nav.prev { left: 10px; }
    .image-viewer-nav.next { right: 10px; }

    .image-viewer-counter {
      color: white;
      font-size: 14px;
      margin-top: 15px;
    }

    .image-viewer-hint {
      color: rgba(255, 255, 255, 0.6);
      font-size: 12px;
      margin-top: 10px;
    }

    .image-viewer-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 40px;
      height: 40px;
      background: rgba(255, 255, 255, 0.2);
      border: none;
      border-radius: 50%;
      color: white;
      font-size: 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .image-viewer-close:hover {
      background: rgba(255, 255, 255, 0.4);
    }

    /* ================================================
       第2页：VR全景查看器
       ================================================ */
    .vr-viewer-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #000;
      z-index: 10002;
    }

    .vr-viewer-modal.show {
      display: block;
    }

    #vrViewerCanvas {
      width: 100%;
      height: 100%;
    }

    .vr-viewer-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 44px;
      height: 44px;
      background: rgba(255, 255, 255, 0.2);
      border: 2px solid rgba(255, 255, 255, 0.5);
      border-radius: 50%;
      color: white;
      font-size: 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 10003;
    }

    .vr-viewer-close:hover {
      background: rgba(0, 0, 0, 0.8);
    }

    .vr-viewer-hint {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
      text-align: center;
      z-index: 10003;
    }

    .vr-viewer-loading {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: white;
      font-size: 18px;
    }

    /* ================================================
       第2页：演示卡片可点击效果
       ================================================ */
    .demo-card.clickable {
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .demo-card.clickable:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .click-hint {
      display: none;
      position: absolute;
      bottom: 8px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(30, 64, 175, 0.9);
      color: white;
      font-size: 12px;
      padding: 4px 12px;
      border-radius: 12px;
    }

    .demo-card.good .click-hint {
      background: rgba(30, 64, 175, 0.9);
    }

    .demo-card.bad .click-hint {
      background: rgba(146, 64, 14, 0.9);
    }

    .demo-card.clickable:hover .click-hint {
      display: block;
    }
  
    /* 全景获客页面样式 */
    .page-marketing {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
      min-height: 100vh;
      overflow-y: auto;
    }

    .page-marketing .page-title {
      font-size: 32px;
      color: #fff;
      text-align: left;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .page-marketing .page-subtitle {
      font-size: 26px;
      color: rgba(255, 255, 255, 0.85);
      text-align: left;
      margin-bottom: 30px;
      font-weight: 400;
    }

    .marketing-container {
      background: rgba(255, 255, 255, 0.05);
      border-radius: 16px;
      padding: 20px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .marketing-section {
      margin-bottom: 20px;
    }

    .marketing-section:last-child {
      margin-bottom: 0;
    }

    .marketing-section-title {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 16px;
      font-weight: 600;
      color: #ffd700;
      margin-bottom: 16px;
    }

    .marketing-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 12px;
      margin-bottom: 12px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .marketing-item:last-child {
      margin-bottom: 0;
    }

    .marketing-item.clickable {
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .marketing-item.clickable:active {
      transform: scale(0.98);
      background: rgba(255, 215, 0, 0.1);
      border-color: rgba(255, 215, 0, 0.3);
    }

    .marketing-icon {
      font-size: 28px;
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 12px;
    }

    .marketing-content {
      flex: 1;
      text-align: left;
    }

    .marketing-item-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }

    .marketing-item-desc {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 8px;
    }

    .marketing-item-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .marketing-tag {
      font-size: 11px;
      padding: 4px 8px;
      background: rgba(102, 126, 234, 0.2);
      color: #a5b4fc;
      border-radius: 6px;
    }

    /* 短信弹窗样式 - 模态框 */
    .sms-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #000;
      z-index: 99999;
      justify-content: center;
      align-items: center;
    }

    .sms-modal.show {
      display: flex;
    }

    .sms-modal-content {
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
      border-radius: 20px;
      width: 92%;
      max-width: 680px;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
      border: 2px solid rgba(255, 255, 255, 0.15);
    }

    .sms-modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      background: rgba(255, 255, 255, 0.05);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sms-modal-title {
      font-size: 18px;
      font-weight: 600;
      color: #fff;
    }

    .sms-modal-close {
      width: 36px;
      height: 36px;
      border: none;
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      font-size: 24px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s;
    }

    .sms-modal-close:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: rotate(90deg);
    }

    .sms-modal-body {
      padding: 24px;
      height: 60vh;
      overflow-y: auto;
    }

    .sms-slide {
      display: none;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sms-slide:first-child {
      display: block;
    }

    .sms-industry {
      font-size: 17px;
      font-weight: 600;
      color: #ffd700;
      margin-bottom: 16px;
      text-align: center;
    }

    .sms-content {
      font-size: 18px;
      line-height: 2.1;
      color: #e0e0e0;
      white-space: pre-wrap;
      text-align: left;
    }

    .sms-modal-footer {
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 16px;
      gap: 24px;
      background: rgba(255, 255, 255, 0.03);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .sms-nav-btn {
      width: 48px;
      height: 48px;
      border: none;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: #fff;
      font-size: 24px;
      border-radius: 50%;
      cursor: pointer;
      transition: all 0.3s;
    }

    .sms-nav-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    }

    .sms-indicator {
      font-size: 16px;
      color: #fff;
      font-weight: 500;
      min-width: 60px;
      text-align: center;
    }

    .sms-back-btn {
      padding: 12px 24px;
      border: none;
      background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      border-radius: 25px;
      cursor: pointer;
      transition: all 0.3s;
      margin-left: 16px;
    }


    .sms-swipe-hint {
      text-align: center;
      color: rgba(255, 255, 255, 0.5);
      font-size: 12px;
      padding: 8px 16px 16px;
    }

/* 动感标语特效 */
.dynamic-gradient {
  background: linear-gradient(90deg, #f59e0b, #ef4444, #ec4899, #8b5cf6, #3b82f6, #10b981, #f59e0b);
  background-size: 300% 100%;
  animation: gradient-flow 3s ease infinite;
}

@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.glow-text {
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255,255,255,0.8), 0 0 20px rgba(255,255,255,0.6), 0 0 30px rgba(255,255,255,0.4);
  animation: glow-pulse 1.5s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
  0% {
    text-shadow: 0 0 10px rgba(255,255,255,0.8), 0 0 20px rgba(255,255,255,0.6);
    transform: scale(1);
  }
  100% {
    text-shadow: 0 0 20px rgba(255,255,255,1), 0 0 40px rgba(255,255,255,0.8), 0 0 60px rgba(255,255,255,0.6);
    transform: scale(1.02);
  }
}



/* 海报弹窗样式 */
.poster-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  z-index: 99999;
  justify-content: center;
  align-items: center;
}
.poster-modal.show {
  display: flex;
}
.poster-modal-content {
  position: relative;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  background: #1a1a1a;
  border-radius: 12px;
  overflow-y: auto;
}
.poster-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  line-height: 1;
}
.poster-modal-body {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 20px;
}
.poster-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 30px;
  cursor: pointer;
  z-index: 10;
}
.poster-nav-prev { left: 10px; }
.poster-nav-next { right: 10px; }
.poster-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: 70vh;
}
.poster-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  cursor: pointer;
}
.poster-modal-footer {
  text-align: center;
  padding: 15px;
  background: #1a1a1a;
}
.poster-indicator {
  font-size: 16px;
  color: #fff;
}

/* 海报图片淡入效果 */
.poster-image-container {
  transition: opacity 0.3s ease-in-out;
}
.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}