/* roulang page: index */
:root {
      --bg-dark: #0F141C;
      --bg-console: #0D1117;
      --bg-light: #F7F9FC;
      --bg-card: #FFFFFF;
      --bg-engine-grey: #1E2633;
      --brand-mint: #00E599;
      --brand-violet: #7952FF;
      --text-main: #0F141C;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F8FAFC;
      --border-color: rgba(226, 232, 240, 0.9);
      --border-dark: rgba(255, 255, 255, 0.08);
      --shadow-sm: 0 2px 8px rgba(15, 20, 28, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(15, 20, 28, 0.08);
      --shadow-glow: 0 0 20px rgba(0, 229, 153, 0.25);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      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;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.02em;
    }

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

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

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* 顶部紧凑状态行 */
    .top-bar-custom {
      height: 38px;
      background: #090D13;
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .top-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #CBD5E1;
    }

    .status-dot {
      width: 7px;
      height: 7px;
      background-color: var(--brand-mint);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--brand-mint);
    }

    .top-stats {
      display: flex;
      gap: 1.5rem;
      align-items: center;
    }

    /* 资讯门户吸顶主导航 */
    .sticky-navbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(15, 20, 28, 0.94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      height: 68px;
    }

    .navbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      letter-spacing: -0.01em;
    }

    .nav-brand-icon {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--brand-mint), var(--brand-violet));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0F141C;
      font-size: 1.1rem;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 1.5rem;
      margin: 0;
    }

    .nav-menu li a {
      color: #CBD5E1;
      font-size: 0.9375rem;
      font-weight: 500;
      padding: 0.35rem 0.2rem;
      position: relative;
    }

    .nav-menu li a:hover,
    .nav-menu li a.active {
      color: var(--brand-mint);
    }

    .nav-right-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .nav-search {
      position: relative;
      display: none;
    }

    @media (min-width: 1100px) {
      .nav-search {
        display: block;
      }
    }

    .nav-search input {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      height: 34px;
      width: 180px;
      padding: 0 1rem 0 2rem;
      color: #F8FAFC;
      font-size: 0.8125rem;
      margin: 0;
    }

    .nav-search input:focus {
      outline: none;
      border-color: var(--brand-mint);
      background: rgba(255, 255, 255, 0.1);
    }

    .nav-search i {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      color: #64748B;
      font-size: 0.75rem;
    }

    .btn-mint {
      background-color: var(--brand-mint);
      color: #090D13;
      font-weight: 700;
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9375rem;
      border: 1px solid transparent;
      cursor: pointer;
    }

    .btn-mint:hover {
      background-color: #00FFAC;
      color: #05080C;
      transform: translateY(-2px);
      box-shadow: var(--shadow-glow);
    }

    .btn-mint:active {
      transform: scale(0.98);
    }

    .btn-outline-dark {
      background: transparent;
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.9375rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-outline-dark:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: #FFFFFF;
      color: #FFFFFF;
    }

    /* 板块通用体系 */
    .section-wrap {
      padding: 5.5rem 0;
      position: relative;
    }

    .section-header {
      margin-bottom: 3.5rem;
    }

    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 0.3rem 0.8rem;
      border-radius: 4px;
      background: rgba(121, 82, 255, 0.1);
      color: var(--brand-violet);
      font-size: 0.8125rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
      margin-bottom: 0.9rem;
    }

    .badge-mint-subtle {
      background: rgba(0, 229, 153, 0.12);
      color: #00B377;
    }

    .section-title {
      font-size: 2.25rem;
      margin-bottom: 1.1rem;
      color: var(--text-main);
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin: 0;
    }

    /* 1. 首屏 Banner 轮播错位区 (Hero) */
    .hero-section {
      background-color: var(--bg-dark);
      background-image: linear-gradient(180deg, rgba(15, 20, 28, 0.95) 0%, rgba(13, 17, 23, 0.98) 100%), url('/assets/images/158b1709288b3a13.png');
      background-size: cover;
      background-position: center;
      padding: 5.5rem 0 6.5rem;
      color: #FFFFFF;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 3.5rem;
      align-items: center;
    }

    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0.35rem 0.85rem;
      background: rgba(0, 229, 153, 0.12);
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: 20px;
      font-size: 0.8125rem;
      color: var(--brand-mint);
      margin-bottom: 1.5rem;
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 800;
      color: #FFFFFF;
      line-height: 1.2;
      margin-bottom: 1.35rem;
      letter-spacing: -0.03em;
    }

    .hero-title span {
      background: linear-gradient(90deg, #00E599 0%, #A58BFF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.05rem;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 2rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 1.2rem;
      margin-bottom: 2.5rem;
    }

    .hero-kpis {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-kpi-item h4 {
      font-size: 1.55rem;
      color: #FFFFFF;
      margin-bottom: 0.2rem;
    }

    .hero-kpi-item h4 span {
      color: var(--brand-mint);
    }

    .hero-kpi-item p {
      font-size: 0.8125rem;
      color: #94A3B8;
      margin: 0;
    }

    .hero-media-wrapper {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.12);
      transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
      transition: transform 0.4s ease;
    }

    .hero-media-wrapper:hover {
      transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
    }

    .engine-terminal-header {
      background: #1E2633;
      padding: 0.75rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .terminal-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .terminal-title-text {
      font-size: 0.75rem;
      font-family: monospace;
      color: #94A3B8;
    }

    /* 2. 核心指标数据看板区 */
    .dashboard-bar-section {
      background: var(--bg-console);
      padding: 3.5rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .stats-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .stats-card {
      background: var(--bg-engine-grey);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: var(--radius-md);
      padding: 1.6rem 1.4rem;
      position: relative;
      overflow: hidden;
    }

    .stats-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--brand-mint);
    }

    .stats-val {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--brand-mint);
      line-height: 1.1;
      margin-bottom: 0.4rem;
      font-family: monospace, sans-serif;
    }

    .stats-label {
      font-size: 0.95rem;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 0.35rem;
    }

    .stats-note {
      font-size: 0.75rem;
      color: #94A3B8;
      margin: 0;
    }

    /* 3. 品牌与底层技术介绍区 */
    .tech-stack-section {
      background: #FFFFFF;
    }

    .tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
    }

    .tech-spec-list {
      list-style: none;
      margin: 1.8rem 0;
      padding: 0;
    }

    .tech-spec-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 1.2rem;
    }

    .tech-spec-item i {
      color: var(--brand-violet);
      font-size: 1.1rem;
      margin-top: 4px;
    }

    .tech-spec-item h5 {
      font-size: 1.05rem;
      margin-bottom: 0.25rem;
    }

    .tech-spec-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin: 0;
    }

    .engine-param-box {
      background: var(--bg-light);
      border-left: 3px solid var(--brand-mint);
      padding: 1.2rem;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-top: 1.8rem;
    }

    .engine-param-box code {
      font-size: 0.8125rem;
      color: #0F141C;
      font-family: Consolas, monospace;
    }

    .tech-figure-card {
      background: var(--bg-engine-grey);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }

    /* 4. 核心能力优势矩阵区 */
    .capabilities-section {
      background: var(--bg-light);
      border-top: 1px solid var(--border-color);
    }

    .caps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.8rem;
    }

    .cap-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 2.2rem 1.8rem;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .cap-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(121, 82, 255, 0.4);
    }

    .cap-icon {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: rgba(121, 82, 255, 0.1);
      color: var(--brand-violet);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1.4rem;
    }

    .cap-card:nth-child(even) .cap-icon {
      background: rgba(0, 229, 153, 0.15);
      color: #00A66E;
    }

    .cap-card h3 {
      font-size: 1.25rem;
      margin-bottom: 0.8rem;
    }

    .cap-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 1.2rem;
    }

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

    .cap-tag {
      font-size: 0.75rem;
      background: #F1F5F9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 5. 热门工具产品矩阵区 */
    .suites-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
    }

    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .suite-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2.4rem 2rem;
      background: #FFFFFF;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .suite-card.highlight {
      border: 2px solid var(--brand-mint);
      box-shadow: 0 12px 30px rgba(0, 229, 153, 0.15);
      position: relative;
    }

    .suite-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--brand-mint);
      color: #090D13;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 12px;
      letter-spacing: 0.05em;
    }

    .suite-card h3 {
      font-size: 1.45rem;
      margin-bottom: 0.6rem;
    }

    .suite-price-spec {
      font-size: 0.875rem;
      color: var(--brand-violet);
      font-weight: 600;
      margin-bottom: 1.2rem;
    }

    .suite-features {
      list-style: none;
      padding: 0;
      margin: 1.5rem 0 2rem;
      flex-grow: 1;
    }

    .suite-features li {
      font-size: 0.9rem;
      color: var(--text-body);
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .suite-features li i {
      color: var(--brand-mint);
      font-size: 0.85rem;
    }

    /* 6. 次世代研发理念与深色案例区 */
    .dark-showcase-section {
      background-color: var(--bg-console);
      background-image: radial-gradient(circle at 80% 20%, rgba(121, 82, 255, 0.12) 0%, transparent 60%);
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .dark-showcase-section .section-title {
      color: #FFFFFF;
    }

    .pipeline-contrast {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-top: 2.5rem;
    }

    .pipeline-box {
      background: var(--bg-engine-grey);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 1.8rem;
    }

    .pipeline-box-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1.2rem;
      font-size: 1.15rem;
      color: #FFFFFF;
    }

    .code-console-mock {
      background: #090D13;
      border-radius: var(--radius-sm);
      padding: 1.2rem;
      font-family: "Courier New", Courier, monospace;
      font-size: 0.8125rem;
      color: #38BDF8;
      line-height: 1.7;
      overflow-x: auto;
    }

    /* 7. 用户实战故事与里程碑区 */
    .case-milestones-section {
      background: var(--bg-light);
    }

    .milestone-track {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
    }

    .milestone-track::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: #CBD5E1;
      transform: translateX(-50%);
    }

    .milestone-item {
      position: relative;
      margin-bottom: 3.5rem;
      display: flex;
      justify-content: flex-start;
      width: 100%;
    }

    .milestone-item:nth-child(even) {
      justify-content: flex-end;
    }

    .milestone-card {
      width: 45%;
      background: #FFFFFF;
      padding: 1.8rem;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .milestone-dot {
      position: absolute;
      top: 24px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--brand-violet);
      border: 4px solid #FFFFFF;
      box-shadow: 0 0 0 2px var(--brand-violet);
      left: calc(50% - 9px);
      z-index: 2;
    }

    .milestone-day {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--brand-mint);
      background: #0F141C;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 0.6rem;
    }

    /* 8. 行业与用户真实评价区 */
    .social-proof-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
    }

    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.8rem;
    }

    .review-card {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem 1.6rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #F59E0B;
      font-size: 0.9rem;
      margin-bottom: 1rem;
    }

    .review-quote {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(226, 232, 240, 0.8);
      padding-top: 1rem;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #CBD5E1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #334155;
    }

    .author-info h5 {
      font-size: 0.95rem;
      margin-bottom: 0.15rem;
    }

    .author-info p {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 9. 游戏工业前沿资讯摘要区 */
    .tech-digest-section {
      background: var(--bg-light);
      border-top: 1px solid var(--border-color);
    }

    .digest-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }

    .digest-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .digest-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .digest-cover {
      height: 180px;
      overflow: hidden;
      position: relative;
    }

    .digest-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .digest-card:hover .digest-cover img {
      transform: scale(1.05);
    }

    .digest-body {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .digest-meta {
      font-size: 0.75rem;
      color: var(--brand-violet);
      font-weight: 600;
      margin-bottom: 0.5rem;
      text-transform: uppercase;
    }

    .digest-body h3 {
      font-size: 1.15rem;
      margin-bottom: 0.6rem;
      line-height: 1.4;
    }

    .digest-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 1.2rem;
      flex-grow: 1;
    }

    .digest-more-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--brand-violet);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 10. 平台工业级保障区 */
    .platform-assurance-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
    }

    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }

    .assurance-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.8rem 1.4rem;
      background: var(--bg-light);
      text-align: left;
    }

    .assurance-icon {
      font-size: 1.8rem;
      color: var(--brand-mint);
      margin-bottom: 1rem;
    }

    .assurance-box h4 {
      font-size: 1.1rem;
      margin-bottom: 0.5rem;
    }

    .assurance-box p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 11. 交互式常见问题解答 */
    .faq-section {
      background: var(--bg-light);
      border-top: 1px solid var(--border-color);
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .accordion-item-custom {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      overflow: hidden;
    }

    .accordion-trigger {
      width: 100%;
      text-align: left;
      padding: 1.25rem 1.5rem;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      background: transparent;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .accordion-trigger i {
      font-size: 0.9rem;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }

    .accordion-trigger.active i {
      transform: rotate(180deg);
      color: var(--brand-violet);
    }

    .accordion-content {
      padding: 0 1.5rem 1.4rem 1.5rem;
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.75;
      display: none;
    }

    .accordion-content.open {
      display: block;
    }

    /* 12. 商业接入转化表单区 */
    .conversion-section {
      background: var(--bg-dark);
      background-image: linear-gradient(135deg, #090D13 0%, #171E2B 100%);
      color: #FFFFFF;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 5.5rem 0;
    }

    .conversion-card-wrap {
      max-width: 840px;
      margin: 0 auto;
      background: var(--bg-engine-grey);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 3rem 2.5rem;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .conversion-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.2rem;
      margin-top: 2rem;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .conversion-input,
    .conversion-select {
      width: 100%;
      height: 48px;
      background: #090D13;
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 0 1rem;
      color: #FFFFFF;
      font-size: 0.925rem;
      margin-bottom: 0.25rem;
    }

    .conversion-input:focus,
    .conversion-select:focus {
      outline: none;
      border-color: var(--brand-mint);
      box-shadow: 0 0 10px rgba(0, 229, 153, 0.3);
    }

    .form-feedback-msg {
      display: none;
      margin-top: 1.2rem;
      padding: 0.85rem;
      background: rgba(0, 229, 153, 0.15);
      border: 1px solid var(--brand-mint);
      border-radius: var(--radius-sm);
      color: var(--brand-mint);
      text-align: center;
      font-size: 0.9rem;
    }

    /* 页脚组件 */
    .site-footer {
      background: #070A0E;
      color: #94A3B8;
      padding: 4.5rem 0 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.875rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }

    .footer-brand h4 {
      color: #FFFFFF;
      font-size: 1.25rem;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 1rem;
    }

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      margin-bottom: 1.2rem;
      position: relative;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 0.65rem;
    }

    .footer-links a:hover {
      color: var(--brand-mint);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
    }

    /* 移动端汉堡折叠适配 */
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: #FFFFFF;
      font-size: 1.4rem;
      cursor: pointer;
    }

    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .hero-media-wrapper {
        transform: none;
      }
      .stats-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .caps-grid,
      .suites-grid,
      .reviews-grid,
      .digest-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .assurance-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
      }
    }

    @media (max-width: 768px) {
      .top-bar-custom {
        display: none;
      }
      .nav-menu {
        display: none;
      }
      .nav-menu.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: #0F141C;
        padding: 1.5rem;
        gap: 1.2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.15rem;
      }
      .stats-card-grid {
        grid-template-columns: 1fr;
      }
      .tech-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .caps-grid,
      .suites-grid,
      .reviews-grid,
      .digest-grid {
        grid-template-columns: 1fr;
      }
      .pipeline-contrast {
        grid-template-columns: 1fr;
      }
      .milestone-track::before {
        left: 20px;
      }
      .milestone-item {
        justify-content: flex-start !important;
        padding-left: 45px;
      }
      .milestone-card {
        width: 100%;
      }
      .milestone-dot {
        left: 11px;
      }
      .conversion-form-grid {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .assurance-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
      }
    }