/* roulang page: index */
:root {
      --bg-dark: #0a0d12;
      --bg-card: #12161f;
      --bg-light: #f8f9fa;
      --bg-alt: #f0f2f5;
      --primary: #11141a;
      --accent: #00c288;
      --accent-hover: #00a876;
      --accent-subtle: rgba(0, 194, 136, 0.12);
      --gold: #c89664;
      --text-main: #1f2937;
      --text-muted: #64748b;
      --text-light: #f3f4f6;
      --text-dim: #94a3b8;
      --border-light: #e5e7eb;
      --border-dark: rgba(255, 255, 255, 0.1);
      --radius-sm: 4px;
      --radius-md: 6px;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
      --shadow-soft: 0 10px 30px -10px rgba(0, 0, 0, 0.06);
      --shadow-dark: 0 16px 40px -12px rgba(0, 0, 0, 0.45);
      --container-width: 1240px;
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .mono-num {
      font-family: var(--mono);
      font-feature-settings: "tnum";
      letter-spacing: -0.02em;
    }
    /* 顶部通栏 */
    .topbar {
      background: #07090d;
      color: var(--text-dim);
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .topbar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-meta {
      display: flex;
      gap: 20px;
      align-items: center;
    }
    .topbar-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-weight: 500;
    }
    .topbar-tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 13, 18, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-dark);
      transition: all 0.3s;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--accent) 0%, #057a55 100%);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 15px rgba(0, 194, 136, 0.4);
    }
    .brand-icon svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 32px;
      align-items: center;
    }
    .nav-link {
      color: var(--text-dim);
      font-size: 0.9375rem;
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: #fff;
    }
    .nav-link::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background: var(--accent);
      transition: width 0.25s ease;
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 20px;
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      background: transparent;
      border: 1px solid var(--accent);
      color: var(--accent);
      cursor: pointer;
    }
    .nav-cta:hover {
      background: var(--accent);
      color: #000;
      box-shadow: 0 0 18px rgba(0, 194, 136, 0.45);
    }
    /* 汉堡按钮 */
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle svg {
      width: 26px;
      height: 26px;
      fill: currentColor;
    }
    /* 板块通用基础 */
    .section-sp {
      padding: 104px 0;
      position: relative;
    }
    .section-sp-dark {
      background-color: var(--bg-dark);
      color: #fff;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .section-header {
      margin-bottom: 56px;
      max-width: 820px;
    }
    .section-header.center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .section-kicker {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      margin-bottom: 12px;
      padding: 4px 10px;
      background: var(--accent-subtle);
      border-radius: var(--radius-sm);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      letter-spacing: -0.025em;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1.0625rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-sp-dark .section-desc {
      color: var(--text-dim);
    }
    /* 按钮与徽章 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
    }
    .btn-primary {
      background: var(--accent);
      color: #05140d;
      font-weight: 700;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      box-shadow: 0 8px 24px rgba(0, 194, 136, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline {
      border-color: rgba(255, 255, 255, 0.25);
      color: #fff;
      background: rgba(255, 255, 255, 0.03);
    }
    .btn-outline:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }
    .btn-dark {
      background: #11151c;
      color: #fff;
    }
    .btn-dark:hover {
      background: #1e2430;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    }
    /* 板块1：Hero 首屏影视沉浸质感 */
    .hero-section {
      position: relative;
      background: #080a0f;
      min-height: 680px;
      display: flex;
      align-items: center;
      padding: 110px 0 90px;
      overflow: hidden;
    }
    .hero-bg-poster {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/5d7da91fb47a5e30.webp');
      background-size: cover;
      background-position: center 30%;
      opacity: 0.28;
      filter: saturate(1.2) contrast(1.1);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 75% 45%, rgba(0, 194, 136, 0.12) 0%, transparent 60%),
                  linear-gradient(to right, #080a0f 35%, rgba(8, 10, 15, 0.85) 70%, rgba(8, 10, 15, 0.4) 100%),
                  linear-gradient(to bottom, transparent 65%, #080a0f 100%);
    }
    .hero-grid {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 56px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(0, 194, 136, 0.4);
      border-radius: 999px;
      margin-bottom: 24px;
    }
    .badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      animation: pulseGlow 2s infinite;
    }
    @keyframes pulseGlow {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.2); }
    }
    .hero-badge-text {
      color: var(--accent);
      font-size: 0.84rem;
      font-weight: 600;
      letter-spacing: 0.04em;
    }
    .hero-h1 {
      font-size: 3.25rem;
      line-height: 1.15;
      font-weight: 800;
      color: #fff;
      margin-bottom: 22px;
      letter-spacing: -0.03em;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, #ffffff 30%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.1rem;
      color: #cbd5e1;
      line-height: 1.8;
      margin-bottom: 34px;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }
    .hero-spec-strip {
      display: flex;
      gap: 28px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-stat-val {
      font-size: 1.6rem;
      font-weight: 700;
      color: #fff;
      line-height: 1.1;
    }
    .hero-stat-lbl {
      font-size: 0.8rem;
      color: var(--text-dim);
      margin-top: 4px;
    }
    .hero-stage-card {
      background: rgba(18, 22, 31, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-dark);
      backdrop-filter: blur(10px);
    }
    .card-terminal-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.85rem;
      color: var(--text-dim);
    }
    .chip-render-media {
      position: relative;
      height: 250px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .chip-render-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .chip-micro-params {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .param-pill {
      background: rgba(255, 255, 255, 0.04);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border-left: 2px solid var(--accent);
    }
    .param-pill-name {
      font-size: 0.75rem;
      color: var(--text-dim);
    }
    .param-pill-data {
      font-size: 0.95rem;
      font-weight: 600;
      color: #fff;
      margin-top: 2px;
    }
    /* 板块2：产品价值与研发体系 */
    .overview-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .overview-content p {
      margin-bottom: 20px;
      font-size: 1.05rem;
      color: #475569;
      line-height: 1.8;
    }
    .overview-highlight-box {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      margin-top: 28px;
    }
    .overview-highlight-box h4 {
      font-size: 1.05rem;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
    }
    .overview-highlight-box h4::before {
      content: "";
      width: 4px;
      height: 18px;
      background: var(--accent);
      border-radius: 2px;
    }
    .overview-media-stack {
      position: relative;
    }
    .overview-main-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-light);
    }
    /* 板块3：核心功能优势 6宫格 */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 14px 34px -10px rgba(0, 0, 0, 0.08);
      border-color: #cbd5e1;
    }
    .adv-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .adv-badge {
      font-size: 0.75rem;
      font-family: var(--mono);
      font-weight: 700;
      color: var(--accent);
      background: var(--accent-subtle);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
    }
    .adv-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--primary);
    }
    .adv-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
    }
    /* 板块4：芯片产品矩阵与选型分类 */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .prod-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease;
    }
    .prod-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-soft);
    }
    .prod-card-thumb {
      height: 210px;
      background: #e2e8f0;
      position: relative;
      overflow: hidden;
    }
    .prod-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .prod-card:hover .prod-card-thumb img {
      transform: scale(1.05);
    }
    .prod-tag-float {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(10, 13, 18, 0.85);
      color: #fff;
      padding: 4px 10px;
      font-size: 0.75rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      backdrop-filter: blur(4px);
    }
    .prod-body {
      padding: 28px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .prod-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--primary);
    }
    .prod-summary {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .spec-item-list {
      list-style: none;
      margin-bottom: 24px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .spec-item-list li {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      padding-bottom: 6px;
      border-bottom: 1px dashed var(--border-light);
    }
    .spec-item-list .spec-label {
      color: var(--text-muted);
    }
    .spec-item-list .spec-val {
      font-weight: 600;
      font-family: var(--mono);
      color: var(--primary);
    }
    .prod-action {
      margin-top: auto;
    }
    /* 板块5：深色工程架构与拓扑理念 */
    .arch-flow-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
      position: relative;
    }
    .arch-step-node {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
    }
    .arch-step-node::after {
      content: "→";
      position: absolute;
      right: -16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--accent);
      font-size: 1.4rem;
      font-family: var(--mono);
    }
    .arch-step-node:last-child::after {
      display: none;
    }
    .arch-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 12px;
      line-height: 1;
    }
    .arch-step-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #fff;
    }
    .arch-step-desc {
      font-size: 0.88rem;
      color: var(--text-dim);
      line-height: 1.6;
    }
    /* 板块6：场景演示与工程闭环 */
    .scenario-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .scenario-media {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-soft);
    }
    .scenario-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .scenario-item {
      padding: 20px;
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      display: flex;
      gap: 16px;
    }
    .scenario-idx {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent-subtle);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .scenario-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--primary);
    }
    .scenario-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    /* 板块7：对比选型对比表 */
    .compare-container {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--primary);
    }
    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(0, 194, 136, 0.04);
      border-left: 2px solid var(--accent);
      border-right: 2px solid var(--accent);
      color: var(--primary);
      font-weight: 600;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .status-check {
      color:var(--accent);
      font-weight: 700;
    }
    .status-cross {
      color: #94a3b8;
    }
    /* 板块8：多端输入与接口矩阵 */
    .interface-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: all 0.25s ease;
    }
    .matrix-card:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-soft);
    }
    .matrix-icon-wrap {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--accent);
    }
    .matrix-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .matrix-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    /* 板块9：核心量产与良率数据看板 */
    .metrics-strip-card {
      background: #0f131a;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 40px 32px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-data-val {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-data-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 6px;
    }
    .metric-data-desc {
      font-size: 0.8125rem;
      color: var(--text-dim);
    }
    /* 板块10：评价墙与系统口碑 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-bubble {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }
    .review-stars {
      color: var(--gold);
      font-size: 0.9rem;
      letter-spacing: 2px;
      margin-bottom: 14px;
    }
    .review-quote {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: normal;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      padding-top: 16px;
      border-top: 1px solid #f1f5f9;
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #1e293b;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .reviewer-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-org {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    /* 板块11：技术演进与技术文档资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-media {
      height: 180px;
      position: relative;
      overflow: hidden;
    }
    .news-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      font-family: var(--mono);
    }
    .news-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    /* 板块12：样品申请与工程选型支持表单 */
    .cta-stage-box {
      background: linear-gradient(145deg, #10141d 0%, #080a0e 100%);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 56px 48px;
      color: #fff;
    }
    .cta-inner-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }
    .cta-form-panel {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .form-row {
      margin-bottom: 18px;
    }
    .form-row label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #cbd5e1;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      background: rgba(10, 13, 18, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #fff;
      font-size: 0.92rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--accent);
    }
    .form-grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    /* 页脚 Footer */
    .site-footer {
      background: #06080b;
      color: #8b949e;
      font-size: 0.875rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 80px 0 32px;
    }
    .footer-columns {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-col h4 {
      font-size: 0.95rem;
      color: #fff;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: 0.04em;
    }
    .footer-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-list a:hover {
      color: var(--accent);
    }
    .footer-brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
    }
    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .overview-grid, .scenario-grid, .cta-inner-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid, .products-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-flow-wrap, .interface-matrix-grid, .metrics-strip-card {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-step-node::after {
        display: none;
      }
      .footer-columns {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .section-sp {
        padding: 64px 0;
      }
      .hero-h1 {
        font-size: 2.3rem;
      }
      .topbar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #0a0d12;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid var(--border-dark);
        display: none;
      }
      .nav-menu.show {
        display: flex;
      }
      .advantages-grid, .products-grid, .reviews-grid, .news-grid, .arch-flow-wrap, .interface-matrix-grid, .metrics-strip-card {
        grid-template-columns: 1fr;
      }
      .footer-columns {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .hero-spec-strip {
        flex-wrap: wrap;
        gap: 18px;
      }
      .form-grid-2 {
        grid-template-columns: 1fr;
      }
      .cta-stage-box {
        padding: 32px 20px;
      }
    }