/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-hover: #0a3d8f;
      --primary-light: #EBF3FD;
      --accent: #FF7A00;
      --accent-hover: #e06900;
      --accent-light: #FFF4EB;
      --dark: #0B132B;
      --dark-card: #152244;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --border: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
      --shadow-md: 0 6px 16px rgba(15,82,186,0.08);
      --shadow-lg: 0 12px 30px rgba(15,82,186,0.12);
      --transition: all 0.25s ease-in-out;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
    }

    body {
      line-height: 1.75;
      font-size: 15px;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .top-bar {
      background: var(--dark);
      color: #94A3B8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-contact span {
      margin-right: 20px;
    }
    .top-bar-contact i {
      color: var(--accent);
      margin-right: 6px;
    }

    header {
      background: var(--bg-white);
      position: sticky;
      top: 0;
      z-index: 999;
      box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    }
    .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .logo {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .logo-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      font-size: 20px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
      list-style: none;
    }
    .nav-links a {
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 0;
      position: relative;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .nav-cta {
      background: var(--accent);
      color: #fff !important;
      padding: 9px 20px !important;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }
    .nav-cta:hover {
      background: var(--accent-hover);
      color: #fff;
    }
    .nav-cta::after {
      display: none !important;
    }

    /* 按钮样式 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: var(--accent);
      color: #fff;
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 14px rgba(255,122,0,0.3);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }

    /* Section 通用规范 */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-light);
    }
    .section-dark {
      background-color: var(--dark);
      color: #fff;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 12px;
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      background: var(--primary-light);
      color: var(--primary);
      margin-bottom: 12px;
    }
    .section-dark .section-badge {
      background: rgba(255,255,255,0.1);
      color: #60A5FA;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Hero 斜切与选型卡片 */
    .hero-section {
      background: linear-gradient(135deg, #0B132B 0%, #152A55 100%), url('/assets/images/4ce8ffeea75fe8f8.webp') center/cover no-repeat;
      background-blend-mode: overlay;
      color: #fff;
      padding: 90px 0 130px 0;
      position: relative;
      clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(255, 122, 0, 0.2);
      border: 1px solid rgba(255, 122, 0, 0.4);
      color: #FFA44D;
      border-radius: 30px;
      font-size: 13px;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 42px;
      line-height: 1.28;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .hero-title span {
      color: #38BDF8;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: #CBD5E1;
      margin-bottom: 35px;
    }
    .hero-actions {
      display: flex;
      gap: 15px;
      margin-bottom: 40px;
    }
    .hero-quiz-card {
      background: #FFFFFF;
      color: var(--text-main);
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
      border: 1px solid rgba(255,255,255,0.2);
    }
    .quiz-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .quiz-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .quiz-group {
      margin-bottom: 16px;
    }
    .quiz-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .quiz-chips {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .quiz-chip {
      padding: 6px 14px;
      font-size: 13px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      cursor: pointer;
      background: #F8FAFC;
      transition: var(--transition);
    }
    .quiz-chip.active, .quiz-chip:hover {
      border-color: var(--primary);
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
    }
    .quiz-preview-result {
      background: #F0FDF4;
      border: 1px dashed #86EFAC;
      border-radius: var(--radius-sm);
      padding: 12px;
      margin: 18px 0;
      font-size: 13px;
      color: #166534;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 板块 1: 分类入口墙 (Categories) */
    .cat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .cat-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }
    .cat-item:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .cat-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 16px auto;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
    }
    .cat-item h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .cat-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 2: 精选推荐卡片 (Recommended) */
    .rec-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .rec-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .rec-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }
    .rec-img-wrap {
      position: relative;
      height: 200px;
      overflow: hidden;
    }
    .rec-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rec-card:hover .rec-img-wrap img {
      transform: scale(1.05);
    }
    .rec-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }
    .rec-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .rec-body h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .rec-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .rec-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border);
      padding-top: 14px;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 板块 3: 卖点三连 (Key Values) */
    .values-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .value-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 36px 28px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .value-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .value-icon {
      font-size: 32px;
      color: var(--primary);
      margin-bottom: 18px;
    }
    .value-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .value-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 4: 排行榜 (Ranking Leaderboard) */
    .rank-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .rank-box {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border);
    }
    .rank-box-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid var(--bg-light);
      padding-bottom: 12px;
    }
    .rank-box-title i {
      color: var(--accent);
    }
    .rank-list {
      list-style: none;
    }
    .rank-item {
      display: flex;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px dashed var(--border);
      gap: 14px;
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: #F1F5F9;
      color: var(--text-muted);
      font-size: 12px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .rank-num.top-1 { background: #FEE2E2; color: #EF4444; }
    .rank-num.top-2 { background: #FFEDD5; color: #F97316; }
    .rank-num.top-3 { background: #FEF3C7; color: #D97706; }
    .rank-name {
      font-weight: 600;
      font-size: 14px;
      flex-grow: 1;
    }
    .rank-badge {
      font-size: 12px;
      padding: 2px 8px;
      border-radius: 4px;
      background: var(--bg-light);
      color: var(--text-muted);
    }

    /* 板块 5: 结果对比 (Comparison) */
    .comp-table {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      max-width: 1000px;
      margin: 0 auto;
    }
    .comp-col {
      border-radius: var(--radius-md);
      padding: 36px;
    }
    .comp-col.traditional {
      background: #F1F5F9;
      border: 1px solid #CBD5E1;
    }
    .comp-col.smart {
      background: var(--primary-light);
      border: 2px solid var(--primary);
      position: relative;
    }
    .comp-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
    }
    .comp-col h3 {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 24px;
      text-align: center;
    }
    .comp-list {
      list-style: none;
    }
    .comp-list li {
      padding: 12px 0;
      border-bottom: 1px solid rgba(0,0,0,0.06);
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      line-height: 1.6;
    }
    .comp-list li i {
      margin-top: 4px;
    }
    .comp-col.traditional i { color: #94A3B8; }
    .comp-col.smart i { color: #16A34A; }

    /* 板块 6: 落地里程碑 (Milestones) */
    .timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 20px;
    }
    .timeline-step {
      background: var(--dark-card);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
    }
    .step-number {
      font-size: 32px;
      font-weight: 800;
      color: rgba(255,255,255,0.15);
      margin-bottom: 10px;
    }
    .step-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #60A5FA;
    }
    .step-desc {
      font-size: 13px;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 板块 7: 任务进度与奖励预览 (Task & Reward) */
    .task-container {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .task-progress-wrap {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .task-bar-bg {
      width: 100%;
      height: 12px;
      background: var(--bg-light);
      border-radius: 6px;
      overflow: hidden;
    }
    .task-bar-fill {
      width: 75%;
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: 6px;
    }
    .task-step-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .task-step-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
    }
    .task-step-item i {
      color: #10B981;
    }
    .reward-box {
      background: var(--accent-light);
      border: 1px dashed var(--accent);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .reward-box h4 {
      font-size: 18px;
      color: #B45309;
      margin-bottom: 8px;
      font-weight: 700;
    }
    .reward-box p {
      font-size: 13px;
      color: #92400E;
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* 板块 8: 经营资讯精选 (News & Media) */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 20px;
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 9: 城市标杆与案例 (City & Cases) */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .case-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .case-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .case-info h4 {
      font-size: 15px;
      font-weight: 700;
    }
    .case-info span {
      font-size: 12px;
      color: var(--text-muted);
    }
    .case-card p {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
    }

    /* 板块 10: 合作伙伴徽章墙 (Partners) */
    .partners-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }
    .partner-badge {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px 10px;
      text-align: center;
      font-weight: 600;
      font-size: 13px;
      color: #475569;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    /* 板块 11: 保障承诺条 (Guarantee Bar) */
    .guarantee-bar {
      background: linear-gradient(90deg, #0F52BA, #1E40AF);
      color: #fff;
      padding: 40px 0;
      border-radius: var(--radius-md);
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .guarantee-item i {
      font-size: 28px;
      margin-bottom: 10px;
      color: #93C5FD;
    }
    .guarantee-item h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .guarantee-item p {
      font-size: 12px;
      color: #DBEAFE;
    }

    /* 板块 12: 常见解答 (FAQ) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: #fff;
      overflow: hidden;
    }
    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #fff;
    }
    .faq-question i {
      transition: transform 0.3s;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 13: 试用转化区 (CTA Form) */
    .cta-box {
      background: var(--dark);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #fff;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .cta-form {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 30px;
      color: var(--text-main);
    }
    .cta-form h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      text-align: center;
      color: var(--dark);
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
    }
    .form-control:focus {
      border-color: var(--primary);
    }

    /* 页脚 */
    footer {
      background: #060B18;
      color: #94A3B8;
      font-size: 14px;
      padding: 60px 0 30px 0;
      border-top: 1px solid rgba(255,255,255,0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a:hover {
      color: #fff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: repeat(2, 1fr); }
      .cat-grid { grid-template-columns: repeat(2, 1fr); }
      .rec-grid { grid-template-columns: repeat(2, 1fr); }
      .values-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .partners-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-box { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links { display: none; }
      .rec-grid, .rank-grid, .comp-table, .news-grid, .task-container, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .hero-title { font-size: 30px; }
      .section-title { font-size: 24px; }
      .footer-grid { grid-template-columns: 1fr; }
    }