/* roulang page: index */
:root {
      --primary: #0F5132;
      --primary-light: #008060;
      --accent: #FF6B00;
      --accent-hover: #e56000;
      --dark: #111827;
      --gray-900: #1f2937;
      --gray-700: #374151;
      --gray-500: #6b7280;
      --gray-200: #e2e8f0;
      --gray-100: #f1f5f9;
      --bg-light: #F8FAFC;
      --bg-tint: #F0FDF4;
      --white: #ffffff;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -5px rgba(0,0,0,0.04);
      --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--gray-700);
      background-color: var(--white);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    h1, h2, h3, h4 {
      color: var(--dark);
      line-height: 1.3;
      letter-spacing: -0.02em;
      font-weight: 700;
    }

    p {
      margin-bottom: 1.25em;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section {
      padding: 88px 0;
    }

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

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

    .section-dark {
      background-color: var(--dark);
      color: #94a3b8;
    }

    .section-dark h2, .section-dark h3, .section-dark h4 {
      color: var(--white);
    }

    .section-head {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-light);
      background: #dcfce7;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .section-dark .section-tag {
      background: rgba(0, 128, 96, 0.25);
      color: #34d399;
    }

    .section-head h2 {
      font-size: 34px;
      margin-bottom: 16px;
    }

    .section-head p {
      font-size: 16px;
      color: var(--gray-500);
      margin-bottom: 0;
    }

    .section-dark .section-head p {
      color: #94a3b8;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      line-height: 1.2;
    }

    .btn-accent {
      background-color: var(--accent);
      color: var(--white);
      box-shadow: 0 4px 12px rgba(255, 107, 0, 0.25);
    }

    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(255, 107, 0, 0.35);
    }

    .btn-primary {
      background-color: var(--primary);
      color: var(--white);
    }

    .btn-primary:hover {
      background-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-outline {
      background-color: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }

    .btn-outline:hover {
      background-color: var(--primary);
      color: var(--white);
    }

    .btn-outline-white {
      background-color: transparent;
      color: var(--white);
      border-color: rgba(255, 255, 255, 0.3);
    }

    .btn-outline-white:hover {
      background-color: var(--white);
      color: var(--dark);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--gray-200);
    }

    .top-bar {
      background-color: var(--dark);
      color: #94a3b8;
      font-size: 13px;
      padding: 7px 0;
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .top-bar-tags span {
      display: inline-block;
      margin-right: 12px;
      padding: 1px 8px;
      background: rgba(255,255,255,0.08);
      border-radius: 4px;
      font-size: 12px;
      color: #cbd5e1;
    }

    .main-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      gap: 8px;
    }

    .logo-badge {
      background: var(--accent);
      color: var(--white);
      font-size: 11px;
      padding: 2px 7px;
      border-radius: 4px;
      text-transform: uppercase;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }

    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--gray-700);
    }

    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }

    /* 首屏直播预告风格 Hero */
    .hero-section {
      position: relative;
      background: url('/assets/images/5f70a52be0ad71f8.jpg') center/cover no-repeat;
      color: var(--white);
      padding: 110px 0 120px 0;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(15, 81, 50, 0.95) 0%, rgba(17, 24, 39, 0.92) 100%);
    }

    .hero-container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content h1 {
      font-size: 44px;
      color: var(--white);
      line-height: 1.25;
      margin-bottom: 20px;
    }

    .hero-lead {
      font-size: 16px;
      color: #e2e8f0;
      line-height: 1.8;
      margin-bottom: 32px;
      max-width: 600px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .hero-badges {
      display: flex;
      gap: 20px;
      border-top: 1px solid rgba(255,255,255,0.15);
      padding-top: 24px;
    }

    .hero-badge-item {
      display: flex;
      align-items: center;
      font-size: 13px;
      color: #cbd5e1;
      gap: 8px;
    }

    .hero-badge-item::before {
      content: "✓";
      color: #34d399;
      font-weight: 900;
    }

    /* 直播预告与倒计时看板 */
    .live-broadcast-card {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(16px);
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    }

    .live-tag-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }

    .live-pill {
      background: #ef4444;
      color: var(--white);
      font-size: 12px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .live-pill-dot {
      width: 6px;
      height: 6px;
      background: var(--white);
      border-radius: 50%;
      display: inline-block;
      animation: blink 1.2s infinite;
    }

    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    .live-broadcast-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
      color: var(--white);
    }

    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 20px 0;
      text-align: center;
    }

    .countdown-box {
      background: rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255,255,255,0.1);
      padding: 12px 6px;
      border-radius: var(--radius-sm);
    }

    .countdown-num {
      display: block;
      font-size: 26px;
      font-weight: 800;
      color: #38bdf8;
      font-family: monospace;
      line-height: 1.1;
    }

    .countdown-lbl {
      font-size: 11px;
      color: #94a3b8;
    }

    /* 优惠阶梯板块 */
    .tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .tier-card {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow-sm);
      position: relative;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .tier-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #86efac;
    }

    .tier-card.featured {
      border: 2px solid var(--accent);
      background: #fffdfa;
    }

    .tier-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent);
      color: var(--white);
      font-size: 12px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-pill);
    }

    .tier-title {
      font-size: 22px;
      margin-bottom: 8px;
    }

    .tier-desc {
      font-size: 14px;
      color: var(--gray-500);
      margin-bottom: 24px;
    }

    .tier-price {
      font-size: 38px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 24px;
      line-height: 1;
    }

    .tier-price small {
      font-size: 14px;
      font-weight: 400;
      color: var(--gray-500);
    }

    .tier-features {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }

    .tier-features li {
      font-size: 14px;
      padding: 8px 0;
      border-bottom: 1px dashed var(--gray-200);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tier-features li::before {
      content: "✔";
      color: var(--primary-light);
      font-size: 13px;
    }

    /* 套餐对比板块表格 */
    .compare-table-wrapper {
      background: var(--white);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--gray-200);
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th, .compare-table td {
      padding: 18px 24px;
      font-size: 14px;
      border-bottom: 1px solid var(--gray-200);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--dark);
    }

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .check-yes {
      color: #16a34a;
      font-weight: 800;
    }

    .check-no {
      color: #94a3b8;
    }

    /* 限时特惠入口 */
    .flash-banner {
      background: linear-gradient(105deg, #0F5132 0%, #15803d 50%, #008060 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: var(--white);
      display: grid;
      grid-template-columns: 1.3fr 0.7fr;
      align-items: center;
      gap: 32px;
    }

    .flash-banner h3 {
      font-size: 30px;
      color: var(--white);
      margin-bottom: 12px;
    }

    .flash-banner p {
      color: #bbf7d0;
      font-size: 15px;
      margin-bottom: 0;
    }

    /* 爆款清单网格 */
    .hot-list-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .hot-item-card {
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--gray-200);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .hot-item-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }

    .hot-item-img {
      height: 190px;
      overflow: hidden;
      position: relative;
    }

    .hot-item-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .hot-item-card:hover .hot-item-img img {
      transform: scale(1.06);
    }

    .hot-item-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .hot-item-num {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-light);
      margin-bottom: 6px;
    }

    .hot-item-body h3 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .hot-item-body p {
      font-size: 14px;
      color: var(--gray-500);
      flex-grow: 1;
      margin-bottom: 18px;
    }

    /* 核心卖点三连 */
    .triad-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .triad-box {
      background: var(--white);
      padding: 36px 30px;
      border-radius: var(--radius-md);
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

    .triad-box:hover {
      border-color: #86efac;
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .triad-icon-circle {
      width: 68px;
      height: 68px;
      margin: 0 auto 20px auto;
      background: #dcfce7;
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      font-weight: bold;
    }

    .triad-box h3 {
      font-size: 20px;
      margin-bottom: 12px;
    }

    .triad-box p {
      font-size: 14px;
      color: var(--gray-500);
      margin-bottom: 0;
    }

    /* 业务场景演示时序步骤 */
    .step-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-flow-card {
      background: var(--white);
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--gray-200);
      position: relative;
    }

    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: #e2e8f0;
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-flow-card h3 {
      font-size: 17px;
      margin-bottom: 8px;
    }

    .step-flow-card p {
      font-size: 13px;
      color: var(--gray-500);
      margin-bottom: 0;
    }

    /* 痛点与解法清单 */
    .pain-matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .pain-item {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--gray-200);
      display: flex;
      gap: 16px;
    }

    .pain-index {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: #fee2e2;
      color: #dc2626;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .pain-item-content h3 {
      font-size: 16px;
      color: #991b1b;
      margin-bottom: 4px;
    }

    .pain-item-content .solution-text {
      font-size: 14px;
      color: var(--gray-700);
      margin-bottom: 0;
    }

    /* 运营数据度量条 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-unit {
      padding: 24px;
    }

    .metric-value {
      font-size: 44px;
      font-weight: 800;
      color: #34d399;
      font-family: monospace;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-unit p {
      color: #cbd5e1;
      font-size: 14px;
      margin-bottom: 0;
    }

    /* 评价墙板块 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-bubble {
      background: var(--white);
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--gray-200);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .review-bubble p {
      font-size: 14px;
      color: var(--gray-700);
      font-style: italic;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 15px;
    }

    .reviewer-info h4 {
      font-size: 15px;
      margin-bottom: 2px;
    }

    .reviewer-info span {
      font-size: 12px;
      color: var(--gray-500);
    }

    /* 资讯内嵌卡片 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--white);
      border-radius: var(--radius-md);
      border: 1px solid var(--gray-200);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .news-img {
      height: 160px;
      overflow: hidden;
    }

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

    .news-body {
      padding: 22px;
    }

    .news-date {
      font-size: 12px;
      color: var(--gray-500);
      margin-bottom: 6px;
    }

    .news-body h3 {
      font-size: 17px;
      margin-bottom: 10px;
    }

    .news-body p {
      font-size: 13px;
      color: var(--gray-500);
      margin-bottom: 14px;
    }

    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-light);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 保障图标条 */
    .trust-guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .trust-card {
      background: #ffffff;
      border: 1px solid #bbf7d0;
      padding: 24px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
gap: 16px;
    }

    .trust-card-icon {
      width: 48px;
      height: 48px;
      background: #dcfce7;
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 800;
      flex-shrink: 0;
    }

    .trust-card h4 {
      font-size: 15px;
      margin-bottom: 2px;
    }

    .trust-card p {
      font-size: 12px;
      color: var(--gray-500);
      margin-bottom: 0;
    }

    /* 加购引导与咨询表单（收口转化） */
    .cta-card-box {
      background: linear-gradient(135deg, #0F5132 0%, #111827 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: var(--white);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .cta-card-box h3 {
      font-size: 32px;
      color: var(--white);
      margin-bottom: 16px;
    }

    .cta-card-box p {
      font-size: 15px;
      color: #cbd5e1;
      margin-bottom: 24px;
    }

    .conversion-form {
      background: var(--white);
      padding: 32px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      color: var(--gray-700);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--gray-700);
    }

    .form-control {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      font-size: 14px;
      border: 1px solid var(--gray-200);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background: var(--white);
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 81, 50, 0.15);
    }

    .form-submit-btn {
      width: 100%;
      height: 46px;
      border: none;
      background: var(--accent);
      color: var(--white);
      font-weight: 700;
      font-size: 15px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
    }

    .form-submit-btn:hover {
      background: var(--accent-hover);
    }

    /* 移动端固定底栏 */
    .mobile-dock {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: #ffffff;
      border-top: 1px solid var(--gray-200);
      padding: 10px 16px;
      box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
    }

    .mobile-dock-inner {
      display: flex;
      gap: 12px;
    }

    .mobile-dock-inner .btn {
      flex: 1;
      font-size: 14px;
      padding: 10px 0;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: #94a3b8;
      padding: 72px 0 32px 0;
      font-size: 14px;
      border-top: 1px solid #1f2937;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-brand h4 {
      font-size: 20px;
      color: var(--white);
      margin-bottom: 16px;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      color: #94a3b8;
    }

    .footer-col h5 {
      font-size: 16px;
      color: var(--white);
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1f2937;
      padding-top: 28px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-container {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .flash-banner, .cta-card-box {
        grid-template-columns: 1fr;
      }
      .tier-grid, .hot-list-grid, .news-grid, .reviews-grid, .triad-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-flow-grid, .trust-guarantee-bar, .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
      }
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .section-head h2 {
        font-size: 26px;
      }
      .tier-grid, .hot-list-grid, .news-grid, .reviews-grid, .triad-grid, .step-flow-grid, .trust-guarantee-bar, .pain-matrix, .metrics-bar {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .mobile-dock {
        display: block;
      }
      body {
        padding-bottom: 64px;
      }
    }