/* roulang page: index */
:root {
      --primary: #6D28D9;
      --primary-hover: #7C3AED;
      --primary-light: #EDE9FE;
      --accent: #10B981;
      --accent-glow: rgba(16, 185, 129, 0.25);
      --dark-slate: #0F172A;
      --dark-surface: #1E293B;
      --dark-border: #334155;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --shadow-sm: 0 2px 8px -1px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 6px 24px -4px rgba(15, 23, 42, 0.08);
      --shadow-glow: 0 0 25px rgba(109, 40, 217, 0.35);
      --container-max: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-white);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.2s ease;
    }

    button, input, textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部运行状态栏 */
    .top-bar {
      background-color: #0B1120;
      color: var(--text-light);
      font-size: 0.8125rem;
      padding: 7px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-pulse {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #34D399;
      font-weight: 500;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
      100% { opacity: 1; transform: scale(1); }
    }
    .top-bar-meta {
      display: flex;
      gap: 20px;
    }

    /* 粘性主导航 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark-slate);
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary), #4F46E5);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 24px;
    }
    .nav-item {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-item:hover, .nav-item.active {
      color: var(--primary);
    }
    .nav-item::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background: var(--primary);
      transition: width 0.25s ease;
    }
    .nav-item:hover::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 按钮通用体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: 8px;
      font-size: 0.9375rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
      border: 1px solid transparent;
      text-align: center;
    }
    .btn:hover {
      transform: translateY(-2px);
    }
    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(109, 40, 217, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(109, 40, 217, 0.35);
      color: #FFFFFF;
    }
    .btn-accent {
      background: var(--accent);
      color: #0F172A;
      font-weight: 700;
    }
    .btn-accent:hover {
      background: #059669;
      color: #FFFFFF;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .btn-outline {
      border-color: var(--border-color);
      color: var(--text-main);
      background: #FFFFFF;
    }
    .btn-outline:hover {
      background: var(--bg-light);
      border-color: #CBD5E1;
    }

    /* 全局 Section 标准 */
    section {
      padding: 72px 0;
      position: relative;
    }
    .section-light {
      background-color: var(--bg-light);
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-dark {
      background-color: var(--dark-slate);
      color: #F8FAFC;
    }

    .section-head {
      margin-bottom: 48px;
    }
    .section-head.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .tag-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 50px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 0.8125rem;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }
    .tag-badge-dark {
      background: rgba(109, 40, 217, 0.3);
      color: #C4B5FD;
      border: 1px solid rgba(196, 181, 253, 0.2);
    }
    .section-title {
      font-size: 2.125rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      line-height: 1.28;
      margin-bottom: 16px;
      color: inherit;
    }
    .section-desc {
      font-size: 1rem;
      line-height: 1.75;
      color: var(--text-muted);
    }
    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 板块 1: Hero 矮横幅强转化 */
    .hero-banner {
      background: linear-gradient(180deg, #F5F3FF 0%, #FFFFFF 100%);
      padding: 60px 0 65px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.65rem;
      line-height: 1.22;
      font-weight: 800;
      color: var(--dark-slate);
      margin-bottom: 18px;
      letter-spacing: -0.03em;
    }
    .hero-lead {
      font-size: 1.0625rem;
      line-height: 1.8;
      color: var(--text-muted);
      margin-bottom: 28px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 24px;
    }
    .hero-badges-row {
      display: flex;
      gap: 16px;
      font-size: 0.8125rem;
      color: var(--text-muted);
      align-items: center;
    }
    .hero-badges-row span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hero-badges-row svg {
      width: 16px;
      height: 16px;
      color: var(--accent);
    }
    .hero-display-card {
      background: var(--dark-slate);
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: var(--shadow-glow);
      border: 1px solid var(--dark-border);
      position: relative;
    }
    .code-editor-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 14px;
      margin-bottom: 14px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .editor-dots {
      display: flex;
      gap: 6px;
    }
    .editor-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #475569;
    }
    .editor-dots span:nth-child(1) { background: #EF4444; }
    .editor-dots span:nth-child(2) { background: #F59E0B; }
    .editor-dots span:nth-child(3) { background: #10B981; }
    .editor-status {
      font-family: monospace;
      font-size: 0.75rem;
      color: #38BDF8;
    }
    .code-console {
      font-family: Consolas, Monaco, "Courier New", monospace;
      font-size: 0.8125rem;
      line-height: 1.65;
      color: #E2E8F0;
    }
    .code-kw { color: #F43F5E; }
    .code-fn { color: #60A5FA; }
    .code-str { color: #34D399; }
    .code-cm { color: #64748B; font-style: italic; }

    /* 板块 2: 技术矩阵与参数验证 */
    .matrix-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .matrix-media {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .matrix-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .matrix-spec-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }
    .spec-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: #FFFFFF;
      padding: 14px 18px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }
    .spec-icon {
      color: var(--primary);
      font-weight: bold;
      font-size: 1.1rem;
    }
    .spec-text strong {
      display: block;
      color: var(--dark-slate);
      font-size: 0.9375rem;
      margin-bottom: 2px;
    }
    .spec-text span {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    /* 板块 3: 核心优势六宫格 */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #CBD5E1;
    }
    .feat-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: bold;
      margin-bottom: 18px;
    }
    .feat-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 8px;
    }
    .feat-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .feat-tag {
      align-self: flex-start;
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #F1F5F9;
      color: #475569;
      font-family: monospace;
    }

    /* 板块 4: 游戏接入展示区 (3大卡) */
    .games-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .game-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .game-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .game-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .game-card:hover .game-thumb img {
      transform: scale(1.05);
    }
    .game-type-tag {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(15, 23, 42, 0.8);
      backdrop-filter: blur(4px);
      color: #FFFFFF;
      padding: 3px 10px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
    }
    .game-content {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .game-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark-slate);
    }
    .game-meta-stat {
      font-size: 0.8125rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 12px;
    }
    .game-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .game-btn-wrap {
      margin-top: auto;
    }

    /* 板块 5: 全景架构步进轴 (深色板块) */
    .arch-pipeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 40px;
    }
    .pipeline-step {
      background: var(--dark-surface);
      border: 1px solid var(--dark-border);
      border-radius: 12px;
      padding: 24px;
      position: relative;
    }
    .step-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 10px;
    }
    .step-text {
      font-size: 0.84rem;
      line-height: 1.65;
      color: var(--text-light);
    }

    /* 板块 6: 落地场景与对比故事 */
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .scenario-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }
    .scenario-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 14px;
    }
    .contrast-block {
      margin: 18px 0;
      background: var(--bg-light);
      border-radius: 8px;
      padding: 16px;
    }
    .contrast-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 0.875rem;
    }
    .contrast-row:last-child {
      margin-bottom: 0;
    }
    .contrast-row .label { color: var(--text-muted); }
    .contrast-row .val-old { color: #EF4444; text-decoration: line-through; }
    .contrast-row .val-new { color: var(--accent); font-weight: 700; }

    /* 板块 7: 全球服务指标统计 */
    .stats-bar {
      background: #F1F5F9;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 48px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 板块 8: 客户评价与开发者声音 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-quote {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .avatar-ph {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #64748B;
      font-size: 0.9rem;
    }
    .reviewer-info h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--dark-slate);
    }
    .reviewer-info p {
      font-size: 0.78rem;
      color: #64748B;
    }

    /* 板块 9: 新闻资讯与生态动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 20px;
      transition: border-color 0.2s ease;
    }
    .news-card:hover {
      border-color: var(--primary);
    }
    .news-date {
      font-size: 0.75rem;
      color: #94A3B8;
      margin-bottom: 8px;
    }
    .news-card-title {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .news-excerpt {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 10: FAQ 手风琴 */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      overflow: hidden;
      transition: all 0.2s ease;
    }
    .faq-item[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1rem;
      color: var(--dark-slate);
      cursor: pointer;
      user-select: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      list-style: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-summary::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.2s;
    }
    .faq-item[open] .faq-summary::after {
      content: '−';
    }
    .faq-body {
      padding: 0 24px 20px 24px;
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #F1F5F9;
      margin-top: 4px;
padding-top: 14px;
    }

    /* 板块 11: 开发者服务保障条 */
    .sla-banner {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0;
    }
    .sla-items {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .sla-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .sla-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.15rem;
      font-weight: 800;
      flex-shrink: 0;
    }
    .sla-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 2px;
    }
    .sla-desc {
      font-size: 0.8125rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 板块 12: 底部强力转化区 */
    .cta-container {
      background: linear-gradient(135deg, #5B21B6 0%, #7C3AED 50%, #4F46E5 100%);
      border-radius: 18px;
      padding: 56px 40px;
      color: #FFFFFF;
      box-shadow: 0 16px 40px -10px rgba(109, 40, 217, 0.4);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .cta-h2 {
      font-size: 2.15rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }
    .cta-p {
      font-size: 1rem;
      color: #EDE9FE;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .cta-form-box {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      padding: 24px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .form-group-row {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .form-input {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      background: #FFFFFF;
      color: var(--dark-slate);
      font-size: 0.9375rem;
      outline: none;
    }
    .form-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }
    .cta-submit-btn {
      width: 100%;
      padding: 13px;
      border-radius: 8px;
      border: none;
      background: var(--accent);
      color: #0F172A;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .cta-submit-btn:hover {
      background: #34D399;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .form-note {
      font-size: 0.75rem;
      color: #E2E8F0;
      margin-top: 10px;
      text-align: center;
    }

    /* 吸底常驻转化条 */
    .sticky-bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 0;
      z-index: 999;
      transform: translateY(100%);
      transition: transform 0.3s ease-in-out;
    }
    .sticky-bottom-bar.show {
      transform: translateY(0);
    }
    .sticky-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .sticky-left-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .sticky-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #F8FAFC;
    }
    .sticky-sub {
      font-size: 0.8125rem;
      color: #94A3B8;
    }

    /* 综合页脚 */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 64px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col-title {
      color: #F8FAFC;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: -0.01em;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 0.84rem;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-contact-item {
      margin-bottom: 10px;
      line-height: 1.5;
      font-size: 0.84rem;
    }
    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 移动端菜单与弹层辅助 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.4rem;
      color: var(--dark-slate);
      cursor: pointer;
    }
    .modal-toggle-content {
      display: none;
      margin-top: 12px;
      background: #1E293B;
      padding: 12px;
      border-radius: 6px;
      font-family: monospace;
      font-size: 0.78rem;
      color: #38BDF8;
      white-space: pre-wrap;
      word-break: break-all;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: 1fr; }
      .grid-3x2 { grid-template-columns: repeat(2, 1fr); }
      .games-grid { grid-template-columns: repeat(2, 1fr); }
      .arch-pipeline { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
      .sla-items { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .cta-container { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .top-bar-meta { display: none; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-actions .btn-outline { display: none; }
      .hero-h1 { font-size: 2rem; }
      .section-title { font-size: 1.75rem; }
      .grid-3x2 { grid-template-columns: 1fr; }
      .games-grid { grid-template-columns: 1fr; }
      .arch-pipeline { grid-template-columns: 1fr; }
      .scenario-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .sla-items { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .sticky-left-info .sticky-sub { display: none; }
      .sticky-bar-inner { gap: 10px; }
      .sticky-bar-inner .btn { width: 100%; }
      .sticky-left-info { display: none; }
    }