:root {
    /* =====================================================
       可自由改动区：文字 / 颜色 / 边框 / 圆角 / 宽度
       说明：
       1. 页面文案均为普通 HTML 文字，可直接在正文中修改。
       2. 页面主色、字体、字号、边框、圆角集中在这里调整。
       3. 下方保留旧变量名，方便原有样式继续生效。
    ===================================================== */

    /* 页面与字体 */
    --page-bg: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* 品牌颜色 */
    --brand-primary: #0284c7;
    --brand-secondary: #0891b2;
    --brand-success: #10b981;
    --brand-warning: #f59e0b;
    --brand-dark: #0f172a;

    /* 边框与阴影 */
    --border-main: #e2e8f0;
    --border-soft: rgba(226, 232, 240, 0.6);
    --border-hover: #cbd5e1;
    --card-border: var(--border-main);
    --button-border: var(--border-main);
    --radius: 16px;
    --radius-sm: 12px;
    --card-radius: 14px;
    --button-radius: 9px;
    --shadow-soft: 0 14px 34px rgba(15, 23, 42, 0.07);
    --shadow-brand: 0 8px 24px rgba(2, 132, 199, 0.35);

    /* 文字大小：主标题已按要求缩小约三分之一 */
    --text-base-size: 15px;
    --text-nav-size: 13px;
    --text-button-size: 13px;
    --text-hero-title-size: clamp(22px, 3vw, 34px);
    --text-hero-title-mobile-size: clamp(22px, 7vw, 30px);
    --text-hero-desc-size: 16px;
    --text-section-label-size: 12px;
    --text-section-title-size: clamp(26px, 3vw, 36px);
    --text-section-desc-size: 16px;
    --text-card-title-size: 16px;
    --text-card-body-size: 13px;
    --hero-lower-offset: 84px; /* 约等于 2 个“开放式匹配”按钮高度 */
    --hero-lower-offset-mobile: 84px;

    /* 版心居中：左右留白，避免宽屏贴边 */
    --max-w: 1480px;
    --header-h: 48px;
    --page-x: clamp(24px, 3vw, 48px);
    --page-x-mobile: 16px;
    --header-logo-width: 128px;
    --header-logo-height: 32px;
    --header-logo-mobile-width: 104px;
    --header-logo-main-color: #0284c7;
    --header-logo-line-color: rgba(245, 158, 11, 0.45);
    --footer-height: 72px;
    --footer-border-color: transparent;

    /* 旧变量兼容：原样式仍可继续使用 */
    --bg: var(--page-bg);
    --surface: var(--card-bg);
    --ink: var(--text-main);
    --muted: var(--text-muted);
    --accent: var(--brand-primary);
    --accent-2: var(--brand-secondary);
    --border: var(--border-main);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  body {
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: var(--text-base-size);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
  }
  button, input, textarea, select { font: inherit; }
  img, svg { max-width: 100%; }
  a, button { -webkit-tap-highlight-color: transparent; }

  /* Scroll animations */
  .animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .animate-on-scroll.in-view {
    opacity: 1;
    transform: translateY(0);
  }
  .delay-100 { transition-delay: 0.1s; }
  .delay-200 { transition-delay: 0.2s; }
  .delay-300 { transition-delay: 0.3s; }
  .delay-400 { transition-delay: 0.4s; }
  .delay-500 { transition-delay: 0.5s; }

  /* Header */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    z-index: 50;
    background: color-mix(in srgb, var(--page-bg) 85%, transparent);
    backdrop-filter: blur(20px) saturate(1.8);
    border-bottom: 1px solid var(--border-soft);
    transition: box-shadow 0.3s;
    overflow-x: clip;
  }
  .site-header.scrolled {
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  }
  .header-inner {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0 clamp(20px, 2.4vw, 40px);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-sizing: border-box;
  }
  .brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    line-height: 0;
    flex: 0 0 auto;
    margin-left: 0;
    gap: 10px;
  }
  .brand-logo {
    display: block;
    width: var(--header-logo-width);
    height: var(--header-logo-height);
    object-fit: contain;
    object-position: left center;
    user-select: none;
    -webkit-user-drag: none;
  }
  .desktop-nav {
    display: flex;
    gap: clamp(28px, 4.2vw, 84px);
    flex: 1 1 auto;
    justify-content: center;
    min-width: 0;
  }
  .desktop-nav a {
    font-size: var(--text-button-size);
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
  }
  .desktop-nav a:hover {
    color: var(--accent);
  }
  .desktop-nav a::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width 0.3s;
    border-radius: 2px;
  }
  .desktop-nav a:hover::after {
    width: 100%;
  }
  .header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-right: 0;
    flex: 0 0 auto;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 34px;
    padding: 0 16px;
    border-radius: var(--button-radius);
    font-size: var(--text-button-size);
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    font-family: inherit;
  }
  .btn-ghost {
    background: transparent;
    color: var(--muted);
    border-color: var(--button-border);
  }
  .btn-ghost:hover {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--border-hover);
    transform: translateY(-1px);
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-brand);
  }

  .header-actions .btn {
    height: 30px;
    padding: 0 12px;
    font-size: 12px;
    border-radius: 8px;
  }

  .header-actions .btn-header-auth {
    gap: 6px;
    background: transparent;
    box-shadow: none;
    font-weight: 600;
    letter-spacing: 0.01em;
  }
  .header-actions .btn-auth-icon {
    width: 14px;
    height: 14px;
    flex: 0 0 auto;
  }
  .header-actions .btn-header-login {
    color: #5b9fd4;
    border-color: #5b9fd4;
  }
  .header-actions .btn-header-login:hover {
    background: rgba(91, 159, 212, 0.08);
    color: #3f86bd;
    border-color: #3f86bd;
    box-shadow: none;
    transform: translateY(-1px);
  }
  .header-actions .btn-header-register {
    color: #d2a06a;
    border-color: #d2a06a;
  }
  .header-actions .btn-header-register:hover {
    background: rgba(210, 160, 106, 0.1);
    color: #c08b4f;
    border-color: #c08b4f;
    box-shadow: none;
    transform: translateY(-1px);
  }

  .header-actions .btn-ghost,
  .header-actions .btn-primary {
    background: transparent;
    color: var(--muted);
    border-color: var(--button-border);
    box-shadow: none;
  }
  .header-actions .btn-ghost:hover,
  .header-actions .btn-primary:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: var(--text-white);
    border-color: transparent;
    box-shadow: var(--shadow-brand);
    transform: translateY(-2px);
  }
  .btn-lg {
    height: 42px;
    padding: 0 var(--page-x);
    font-size: 14px;
    border-radius: 11px;
  }
  .menu-toggle {
    display: none;
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
  }
  .menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: 0.3s;
  }


  /* Footer text compact override */
  .site-footer,
  .site-footer a,
  .footer-inner,
  .footer-main,
  .footer-line,
  .footer-link,
  .footer-item {
    font-size: 10px !important;
    line-height: 1.55;
  }

  /* 正式上线前精修：尚未提供真实 URL 的页脚项目不伪装成可点击链接 */
  .footer-link-static {
    cursor: default !important;
  }

  /* Hero */
  .hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    padding-top: calc(var(--header-h) + 24px);
    padding-bottom: 0;
    overflow: hidden;
  }

  .hero-copy-shift {
    padding-top: var(--hero-lower-offset);
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
      radial-gradient(ellipse 80% 50% at 50% -20%, rgba(2, 132, 199, 0.12), transparent),
      radial-gradient(ellipse 60% 40% at 80% 60%, rgba(8, 145, 178, 0.08), transparent);
  }
  .hero-grid {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--max-w);
    min-height: calc(100svh - var(--header-h) - 24px);
    margin: 0 auto;
    padding: 0 var(--page-x);
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 5px 12px;
    background: rgba(2, 132, 199, 0.08);
    border: 1px solid rgba(2, 132, 199, 0.15);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    margin-top: 22px;
    margin-bottom: 18px;
  }
  .hero h1 {
    font-size: var(--text-hero-title-size);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 18px;
  }
  .hero h1 span,
  .hero h1 em {
    display: inline;
  }
  .hero h1 em {
    font-style: normal;
    color: #0284c7;
}
  .hero-desc {
    font-size: calc(var(--text-hero-desc-size) - 1px);
    line-height: 1.75;
    color: #64748b;
    max-width: 540px;
    margin-bottom: 22px;
  }
  .hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 22px;
    flex-wrap: wrap;
  }
  .hero-trust {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
  }
  .trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
  }
  .trust-item::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #e0f2fe;
  }


  /* Hero color polish */
  .hero-badge {
    color: #0284c7;
    background: #e0f2fe;
    border-color: #bae6fd;
  }
  .hero h1 {
    color: #0f172a;
  }
  .hero h1 em {
    color: #0284c7;
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: currentColor;
  }
  .hero-desc {
    color: #64748b;
  }


  /* Hero badge no-fill polish */
  .hero-badge {
    background: transparent;
    border-color: #bae6fd;
    color: #0284c7;
    box-shadow: none;
  }

  /* Hero Visual - CSS Dashboard（对齐 2.html：固定底板 + 桌面 scale 1.2） */
  .hero-visual {
    position: relative;
    height: 440px;
    display: grid;
    place-items: center;
    perspective: 1200px;
  }
  .dashboard-card {
    width: 344px;
    height: 392px;
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow:
      0 16px 42px rgba(15, 23, 42, 0.085),
      0 0 0 1px rgba(255,255,255,0.5) inset;
    transform: rotateY(-12deg) rotateX(8deg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
  }
  @keyframes float {
    0%, 100% { transform: rotateY(-12deg) rotateX(8deg) translateY(0); }
    50% { transform: rotateY(-12deg) rotateX(8deg) translateY(-5px); }
  }

  @media (min-width: 1025px) {
    .hero-copy-shift {
      transform: translateY(-50px);
    }
    .hero h1 {
      font-size: clamp(26px, 3.6vw, 41px);
    }
    .hero-desc {
      max-width: 648px;
      font-size: 19px;
    }
    .hero-badge {
      padding: 6px 14px;
      font-size: 14px;
      margin-bottom: 22px;
    }
    .hero-actions {
      gap: 14px;
      margin-bottom: 26px;
    }
    .btn-lg {
      height: 50px;
      padding: 0 clamp(24px, 2.6vw, 38px);
      font-size: 17px;
    }
    .hero-visual {
      height: 528px;
    }
    .dashboard-card {
      scale: 1.2;
    }
  }
  .db-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }
  .db-header-meta {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
  }
  .db-header-title {
    font-size: 11px;
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
  }
  .demo-data-label {
    flex: 0 0 auto;
    padding: 1px 5px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(248, 250, 252, 0.9);
    color: #94a3b8;
    font-size: 7px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }
  .db-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
  }
  .db-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    flex: 1;
    align-content: start;
    overflow: visible;
  }
  .db-widget {
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 10px;
    overflow: visible;
  }
  .db-widget-title {
    font-size: 10px;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
  }
  .db-metric-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.1;
  }
  .db-metric-delta {
    font-size: 12px;
    color: #10b981;
    margin-top: 4px;
    font-weight: 600;
    line-height: 1.2;
  }
  .cost-widget {
    padding: 9px 10px 10px;
  }
  .cost-widget .db-widget-title {
    margin-bottom: 7px;
  }
  .cost-mini {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
  }
  .cost-item {
    min-width: 0;
    padding: 7px 6px;
    border-radius: 8px;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.92);
    text-align: center;
  }
  .cost-item span {
    display: block;
    color: #64748b;
    font-size: 7px;
    font-weight: 700;
    line-height: 1.1;
    white-space: nowrap;
  }
  .cost-item b {
    display: block;
    margin-top: 4px;
    color: #0f172a;
    font-size: 10px;
    line-height: 1.1;
    font-weight: 800;
    white-space: nowrap;
  }
  .cost-item.total {
    background: rgba(224, 242, 254, 0.48);
    border-color: rgba(2, 132, 199, 0.16);
  }
  .cost-item.total b {
    color: #0284c7;
  }
  .bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 48px;
  }
  .bar {
    flex: 1;
    background: linear-gradient(to top, var(--accent), var(--accent-2));
    border-radius: 4px 4px 0 0;
    opacity: 0.8;
  }
  .blank-match-mini {
    height: 82px;
    display: grid;
    grid-template-columns: 1fr 40px 1fr;
    align-items: center;
    gap: 9px;
  }
  .match-side {
    min-width: 0;
    height: 64px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.92);
    padding: 8px 9px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
  }
  .match-label {
    font-size: 8px;
    line-height: 1;
    color: #64748b;
    font-weight: 700;
    margin-bottom: 5px;
    white-space: nowrap;
  }
  .match-spec {
    font-size: 11px;
    line-height: 1.15;
    color: #0f172a;
    font-weight: 800;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .match-note {
    margin-top: 5px;
    font-size: 8px;
    line-height: 1.1;
    color: #059669;
    font-weight: 700;
    white-space: nowrap;
  }
  .match-arrow {
    position: relative;
    height: 44px;
    display: grid;
    place-items: center;
    color: #0284c7;
  }
  .match-arrow::before {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    top: 50%;
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, rgba(2,132,199,0.18), rgba(8,145,178,0.85));
    border-radius: 999px;
  }
  .match-arrow::after {
    content: "";
    width: 7px;
    height: 7px;
    border-top: 2px solid #0891b2;
    border-right: 2px solid #0891b2;
    transform: rotate(45deg);
    margin-left: 14px;
    z-index: 1;
  }
  .match-score {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 38px;
    padding: 3px 6px;
    border-radius: 999px;
    background: rgba(236, 253, 245, 0.98);
    border: 1px solid rgba(16,185,129,0.22);
    color: #059669;
    line-height: 1.05;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 6px 16px rgba(16,185,129,0.10);
  }
  .match-score b {
    display: block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.01em;
  }
  .match-score small {
    display: block;
    font-size: 6px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #10b981;
    margin-top: 1px;
  }
  .blank-shape {
    height: 15px;
    margin: 7px 0 4px;
    border-radius: 999px;
    background: linear-gradient(90deg, #bae6fd, #67e8f9, #0891b2);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
  }
  .blank-shape.finished {
    width: 74%;
  }
  .blank-shape.raw {
    width: 92%;
    background: linear-gradient(90deg, #e0f2fe, #7dd3fc, #0284c7);
  }
  .order-strip-wrap {
    position: relative;
    margin-top: 0;
    padding-top: 2px;
    transform: translateY(-10px);
  }
  .order-strip-wrap::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    width: 1.5px;
    height: 4px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(2,132,199,0.08), rgba(2,132,199,0.28));
  }
  .order-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 32px;
    border-radius: 10px;
    border: 1px solid rgba(186, 230, 253, 0.95);
    background: linear-gradient(180deg, rgba(248,250,252,0.98), rgba(239,246,255,0.98));
    box-shadow: 0 7px 16px rgba(15, 23, 42, 0.06);
    padding: 0 10px;
    overflow: hidden;
  }
  .order-strip-tag {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
  }
  .order-strip-tag::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.10);
  }
  .order-strip-title {
    flex: 1 1 auto;
    min-width: 0;
    color: var(--ink);
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .order-strip-status {
    flex: 0 0 auto;
    color: #059669;
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
  }

  /* Section commons */
  .section {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--page-x);
  }
  .section-header {
    margin-bottom: 48px;
  }
  .section-label {
    display: inline-block;
    font-size: var(--text-section-label-size);
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: var(--text-section-title-size);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0;
  }
  .section-desc {
    font-size: var(--text-section-desc-size);
    color: var(--muted);
    max-width: 600px;
    margin-top: 16px;
    line-height: 1.7;
  }

  /* Capabilities - compact cards */
  .capabilities-stage {
    position: relative;
    margin-bottom: 96px;
  }
  .capabilities-stage::before,
  .capabilities-stage::after {
    content: none;
  }
  .capability-map {
    display: none;
  }
  .bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }
  .bento-card {
    background: var(--surface);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
    padding: 18px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  .bento-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(2, 132, 199, 0.24), transparent);
    opacity: 0;
    transition: opacity 0.3s;
  }
  .bento-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
    border-color: rgba(2, 132, 199, 0.18);
  }
  .bento-card:hover::before {
    opacity: 1;
  }
  .bento-card.wide,
  .bento-card.tall {
    grid-column: auto;
    grid-row: auto;
  }
  .bento-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(2,132,199,0.08), rgba(8,145,178,0.08));
    border: 1px solid rgba(2,132,199,0.12);
    display: grid;
    place-items: center;
    color: var(--accent);
    margin-bottom: 12px;
    flex: 0 0 auto;
  }
  .bento-top {
    display: block;
    padding-right: 0;
  }
  .bento-copy {
    min-width: 0;
  }
  .bento-card h3 {
    font-size: var(--text-card-title-size);
    font-weight: 700;
    margin: 0 0 6px;
    line-height: 1.35;
  }
  .bento-card p {
    font-size: var(--text-button-size);
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
  }
  .bento-num,
  .cap-visual {
    display: none;
  }

  /* Production */
  .production-section {
    background: linear-gradient(180deg, #eef8ff 0%, #f8fafc 100%);
    color: #0f172a;
    padding: 84px 0;
    margin-bottom: 92px;
    position: relative;
    overflow: hidden;
  }
  .production-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(circle at 18% 48%, rgba(2, 132, 199, 0.08), transparent 48%),
      radial-gradient(circle at 82% 78%, rgba(8, 145, 178, 0.06), transparent 52%);
  }
  .production-inner {
    position: relative;
    z-index: 1;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--page-x);
  }
  .production-header {
    text-align: center;
    margin-bottom: 38px;
  }
  .production-header .section-label {
    color: #0284c7;
  }
  .production-header .section-title {
    color: #0f172a;
    white-space: nowrap;
  }
  .production-header .section-desc {
    color: #475569;
    margin: 12px auto 0;
    max-width: none;
    white-space: nowrap;
  }
  .flow-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
    position: relative;
    padding-top: 14px;
  }
  .flow-line {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255,255,255,0.12);
    z-index: 0;
  }
  .flow-line-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    width: 0%;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .in-view .flow-line-fill {
    width: 100%;
  }
  .flow-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding-top: 14px;
  }
  .step-circle {
    display: none;
  }
  .in-view .flow-step .step-circle {
    display: none;
  }
  .flow-step span {
    font-size: 13px;
    font-weight: 600;
    color: #e2e8f0;
    display: block;
    margin-bottom: 2px;
    line-height: 1.3;
  }
  .flow-step small {
    font-size: 11px;
    color: #64748b;
    line-height: 1.25;
  }

  .production-showcase {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
    margin-bottom: 0;
  }
  .production-copy-card {
    position: relative;
    padding: 20px 22px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(186, 230, 253, 0.72);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.07), inset 0 1px 0 rgba(255,255,255,0.72);
    backdrop-filter: blur(8px);
    overflow: hidden;
    min-height: 430px;
    height: 100%;
  }
  .production-copy-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(2, 132, 199, 0.22), transparent);
  }
  .production-copy-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.18);
    color: #7dd3fc;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
  }
  .production-copy-tag::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg, #38bdf8, #10b981);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.14);
  }
  .production-copy-title {
    color: #0f172a;
    font-size: clamp(22px, 2.25vw, 30px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 10px;
  }
  .production-copy-desc {
    color: #475569;
    font-size: 14px;
    line-height: 1.68;
    margin-bottom: 14px;
  }
  .production-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
  }
  .production-point {
    padding: 10px 11px 9px;
    border-radius: 14px;
    background: rgba(240, 249, 255, 0.82);
    border: 1px solid rgba(186, 230, 253, 0.72);
  }
  .production-point strong {
    display: block;
    color: #0f172a;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 4px;
  }
  .production-point span {
    display: block;
    color: #475569;
    font-size: 11px;
    line-height: 1.48;
  }
  .production-mini-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .production-mini-note span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #334155;
    font-size: 11px;
    font-weight: 600;
  }
  .production-mini-note span::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #10b981;
  }
  .production-visual-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 22px;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid rgba(186, 230, 253, 0.72);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
    overflow: hidden;
    min-height: 520px;
    height: 100%;
  }
  .production-visual-card::before {
    content: "";
    position: absolute;
    inset: -10% -8% auto auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56,189,248,0.18), transparent 70%);
    filter: blur(8px);
    pointer-events: none;
  }
  .production-visual-card::after {
    content: "";
    position: absolute;
    inset: auto 10% -18% 10%;
    height: 90px;
    background: radial-gradient(ellipse at center, rgba(56,189,248,0.18), rgba(56,189,248,0.02) 60%, transparent 72%);
    filter: blur(14px);
    pointer-events: none;
  }
  .production-hero-image {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    max-width: 100%;
    max-height: 360px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 24px 42px rgba(2, 132, 199, 0.18));
  }
  .production-showcase .animate-note {
    position: absolute;
    right: 18px;
    top: 18px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(224, 242, 254, 0.92);
    border: 1px solid rgba(125, 211, 252, 0.5);
    color: #0284c7;
    font-size: 11px;
    font-weight: 700;
    z-index: 2;
  }

  /* Data */
  .data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
  }

  /* 数据安全：独立占据一个可视区，导航定位时不会带出下一段“关于平台” */
  #data {
    min-height: calc(100vh - var(--header-h));
    min-height: calc(100svh - var(--header-h));
    display: flex;
    align-items: center;
    padding-block: clamp(36px, 6vh, 64px);
    margin-bottom: 24px;
  }
  #data .data-grid {
    width: 100%;
    margin-bottom: 0;
  }
  #dataContent {
    min-width: 0;
  }
  .data-visual {
    position: relative;
    height: 430px;
    display: grid;
    place-items: center;
  }
  .shield-graphic {
    width: 360px;
    height: 360px;
    position: relative;
    isolation: isolate;
  }
  .security-glow {
    position: absolute;
    inset: 16%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(8,145,178,0.18), rgba(2,132,199,0.06) 45%, transparent 70%);
    filter: blur(6px);
    z-index: 0;
  }
  .security-ring {
    position: absolute;
    border-radius: 50%;
    inset: 0;
    border: 1px solid rgba(2,132,199,0.14);
    background: radial-gradient(circle, rgba(255,255,255,0.5), rgba(255,255,255,0) 72%);
    z-index: 1;
  }
  .security-ring.ring-2 {
    inset: 28px;
    border-style: dashed;
    border-color: rgba(2,132,199,0.18);
  }
  .security-ring.ring-3 {
    inset: 58px;
    border-color: rgba(8,145,178,0.18);
    box-shadow: inset 0 0 0 10px rgba(2,132,199,0.04);
  }
  .security-ring.ring-4 {
    inset: 86px;
    border-color: rgba(8,145,178,0.12);
  }
  .core-vault {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 160px;
    height: 160px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 24px 60px rgba(2, 132, 199, 0.28), inset 0 1px 0 rgba(255,255,255,0.22);
    z-index: 5;
    overflow: hidden;
  }
  .core-vault::before {
    content: "";
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.26);
  }
  .vault-lock {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    display: grid;
    place-items: center;
    margin-bottom: 10px;
    backdrop-filter: blur(8px);
  }
  .vault-title {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.01em;
  }
  .vault-desc {
    font-size: 11px;
    margin-top: 4px;
    opacity: 0.9;
    line-height: 1.5;
  }
  .security-beam {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, rgba(239,68,68,0.0), rgba(239,68,68,0.72), rgba(239,68,68,0.0));
    transform-origin: left center;
    z-index: 2;
    opacity: 0.8;
  }
  .security-beam::after {
    content: "✕";
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: white;
    border: 1px solid rgba(239,68,68,0.24);
    color: #ef4444;
    font-size: 12px;
    font-weight: 700;
    display: grid;
    place-items: center;
    box-shadow: 0 8px 20px rgba(239,68,68,0.12);
  }
  .beam-1 { left: 34px; top: 84px; width: 110px; transform: rotate(22deg); }
  .beam-2 { right: 38px; top: 102px; width: 100px; transform: rotate(158deg); }
  .beam-3 { left: 46px; bottom: 110px; width: 108px; transform: rotate(-20deg); }
  .beam-4 { right: 42px; bottom: 90px; width: 96px; transform: rotate(200deg); }
  .security-node {
    position: absolute;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(2,132,199,0.14);
    display: grid;
    place-items: center;
    box-shadow: 0 16px 34px rgba(15,23,42,0.08);
    color: #94a3b8;
    z-index: 3;
  }
  .security-node::after {
    content: "";
    position: absolute;
    inset: -7px;
    border-radius: 20px;
    border: 1px dashed rgba(2,132,199,0.18);
  }
  .node-1 { left: 18px; top: 54px; }
  .node-2 { right: 16px; top: 72px; }
  .node-3 { left: 24px; bottom: 72px; }
  .node-4 { right: 22px; bottom: 54px; }
  .security-badge {
    position: absolute;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(2,132,199,0.14);
    font-size: 12px;
    font-weight: 700;
    color: var(--ink);
    box-shadow: 0 14px 30px rgba(15,23,42,0.08);
    z-index: 6;
    white-space: nowrap;
  }
  .badge-top { left: 50%; top: -8px; transform: translateX(-50%); }
  .badge-bottom { left: 50%; bottom: -8px; transform: translateX(-50%); }
  .badge-left { left: -18px; top: 50%; transform: translateY(-50%); }
  .badge-right { right: -18px; top: 50%; transform: translateY(-50%); }
  .security-caption {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 7;
  }
  .caption-item {
    position: absolute;
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    background: rgba(248,250,252,0.96);
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.18);
    box-shadow: 0 8px 18px rgba(15,23,42,0.06);
  }
  .cap-1 { left: 58px; top: 114px; }
  .cap-2 { right: 44px; top: 138px; }
  .cap-3 { left: 72px; bottom: 118px; }
  .cap-4 { right: 46px; bottom: 102px; }

  /* Production board headline natural wrapping */
  .production-copy-title {
    white-space: normal;
    text-wrap: pretty;
  }

  /* Production board headline size refinement */
  .production-copy-title {
    font-size: clamp(15px, 1.65vw, 21px);
    line-height: 1.32;
  }

  /* Section title size refinement */
  #capabilities .section-title {
    font-size: clamp(23px, 2.55vw, 32px);
  }
  #production .section-title {
    font-size: clamp(22px, 2.45vw, 31px);
    letter-spacing: -0.025em;
  }
  #data .section-title {
    font-size: clamp(23px, 2.55vw, 32px);
    line-height: 1.24;
  }
  #about .about-title {
    font-size: clamp(24px, 2.7vw, 34px);
  }

  /* About Platform */
  .about-section {
    max-width: var(--max-w);
    margin: 0 auto 120px;
    padding: 0 var(--page-x);
  }
  .about-panel {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background:
      radial-gradient(circle at 88% 12%, rgba(2,132,199,0.08), transparent 34%),
      linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.98));
    border: 1px solid rgba(226, 232, 240, 0.92);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.07);
    padding: 46px;
  }
  .about-panel::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(2,132,199,0.26), transparent);
  }
  .about-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 44px;
    align-items: start;
  }
  .about-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(224, 242, 254, 0.72);
    border: 1px solid rgba(186, 230, 253, 0.9);
    color: #0284c7;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .about-kicker::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #0284c7;
  }
  .about-title {
    color: #0f172a;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.18;
    font-weight: 850;
    letter-spacing: -0.035em;
    margin: 0 0 18px;
  }
  .about-lead {
    color: #475569;
    font-size: 15px;
    line-height: 1.9;
    margin: 0 0 18px;
  }
  .about-copy-group {
    display: grid;
    gap: 16px;
    margin-top: 22px;
  }
  .about-copy-block {
    padding: 18px 18px 16px;
    border-radius: 18px;
    background: rgba(248, 250, 252, 0.72);
    border: 1px solid rgba(226, 232, 240, 0.78);
  }
  .about-copy-block h3 {
    font-size: 15px;
    color: #0f172a;
    line-height: 1.35;
    margin: 0 0 8px;
  }
  .about-copy-block p {
    color: #475569;
    font-size: 13px;
    line-height: 1.8;
    margin: 0;
  }
  .about-value-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .about-value-card {
    position: relative;
    min-height: 116px;
    padding: 20px 20px 18px 54px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(226, 232, 240, 0.92);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.045);
    overflow: hidden;
  }
  .about-value-card::before {
    content: attr(data-index);
    position: absolute;
    left: 18px;
    top: 20px;
    width: 24px;
    height: 24px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    color: #0284c7;
    background: #e0f2fe;
    border: 1px solid #bae6fd;
    font-size: 11px;
    font-weight: 800;
  }
  .about-value-card::after {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, #38bdf8, #0891b2);
    opacity: 0.72;
  }
  .about-value-card h3 {
    color: #0f172a;
    font-size: 16px;
    line-height: 1.35;
    margin: 0 0 7px;
  }
  .about-value-card p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.7;
    margin: 0;
  }
  .about-summary {
    margin-top: 22px;
    padding: 18px 20px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(2,132,199,0.08), rgba(8,145,178,0.06));
    border: 1px solid rgba(186, 230, 253, 0.95);
    color: #0f172a;
    font-size: 14px;
    line-height: 1.85;
    font-weight: 600;
  }
  .about-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 26px;
  }
  .about-actions .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 24px rgba(2, 132, 199, 0.22);
  }
  .about-contact {
    display: inline-flex;
    align-items: center;
    margin-top: 26px;
    padding: 11px 16px;
    border-radius: 12px;
    background: rgba(224, 242, 254, 0.72);
    border: 1px solid rgba(186, 230, 253, 0.95);
    color: #0284c7;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.01em;
  }


  /* Footer - MAGMEND filing information */
  .site-footer {
    width: 100%;
    border-top: 1px solid #eceff3;
    background: #ffffff;
    padding: 18px 20px 20px;
    font-size: 13px;
    line-height: 1.8;
    color: #b8bec7;
  }
  .footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--page-x);
    text-align: center;
  }
  .footer-brand {
    margin-bottom: 4px;
    color: #b8bec7;
    font-weight: 500;
    letter-spacing: 0.2px;
  }
  .footer-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0;
    color: #b8bec7;
  }
  .footer-item {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
  }
  .footer-item + .footer-item::before {
    content: "|";
    margin: 0 8px;
    color: #d6dbe1;
  }
  .footer-link {
    color: #b8bec7;
    text-decoration: none;
    transition: color 0.2s ease, background-color 0.2s ease;
    cursor: pointer;
    border-radius: 4px;
    padding: 0 2px;
  }
  .footer-link:hover {
    color: #2f6fed;
    background: rgba(47, 111, 237, 0.06);
  }
  .footer-link:focus-visible {
    outline: 2px solid rgba(47, 111, 237, 0.28);
    outline-offset: 2px;
  }

  /* 宽屏桌面：版心保持居中，不再铺满视口 */
  @media (min-width: 1280px) {
    .section-desc {
      max-width: min(860px, 72%);
    }
    .bento-grid {
      gap: clamp(14px, 1.2vw, 20px);
    }
  }

  @media (min-width: 1600px) {
    .header-inner {
      padding: 0 clamp(28px, 2.8vw, 48px);
    }
    .desktop-nav {
      gap: clamp(56px, 5vw, 100px);
    }
  }

  /* Mobile */

  @media (max-width: 1180px) {
    .production-header .section-title,
    .production-header .section-desc {
      white-space: normal;
    }
    .production-header .section-desc {
      max-width: 760px;
    }
    .production-copy-card,
    .production-visual-card {
      min-height: 410px;
    }
    .production-hero-image {
      max-height: 330px;
    }
  }

  @media (min-width: 1181px) {
    .production-header .section-title,
    .production-header .section-desc {
      white-space: nowrap;
    }
  }

  @media (max-width: 1024px) {
    :root {
      --page-x: 22px;
      --text-section-title-size: clamp(24px, 4.2vw, 34px);
    }
    .hero-grid { grid-template-columns: 1fr; min-height: auto; gap: 34px; }
    .hero-visual { height: 440px; order: initial; }
    .order-strip-wrap { margin-top: 2px; padding-top: 4px; transform: translateY(-8px); }
    .order-strip-wrap::before { height: 4px; }
    .order-strip { height: 32px; padding: 0 8px; gap: 6px; }
    .order-strip-tag { font-size: 9px; }
    .order-strip-title { font-size: 10px; }
    .order-strip-status { font-size: 9px; }
    .dashboard-card { width: min(334px, calc(100vw - 64px)); height: 388px; overflow: hidden; }
    .bento-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .data-grid { grid-template-columns: 1fr; gap: 28px; }
    .data-visual { height: 330px; }
    .shield-graphic { width: 300px; height: 300px; }
    .flow-grid { grid-template-columns: repeat(3, 1fr); gap: 16px 12px; padding-top: 6px; }
    .flow-line { display: none; }
  }

  @media (max-width: 768px) {
    :root {
      --header-h: 48px;
      --page-x: var(--page-x-mobile);
      --text-base-size: 14px;
      --text-hero-title-size: var(--text-hero-title-mobile-size);
      --text-hero-desc-size: 14px;
      --text-section-label-size: 11px;
      --text-section-title-size: clamp(22px, 6vw, 28px);
      --text-section-desc-size: 14px;
      --text-card-title-size: 15px;
      --text-card-body-size: 13px;
    --hero-lower-offset: 84px; /* 手机端收紧首屏顶部留白 */
    --hero-lower-offset-mobile: 84px;
    }
    .desktop-nav { display: none; }
    .header-actions {
      display: flex;
      margin-left: auto;
      margin-right: 0;
      gap: 6px;
    }
    .header-actions .btn {
      height: 28px;
      padding: 0 8px;
      font-size: 11px;
      border-radius: 7px;
    }
    .header-actions .btn-auth-icon {
      width: 12px;
      height: 12px;
    }
    .brand {
      margin-left: 0;
      gap: 6px;
      min-width: 0;
    }
    .brand-platform-badge {
      display: none;
    }
    .menu-toggle {
      display: flex;
      margin-left: 8px;
      flex: 0 0 auto;
    }
    .site-header { height: var(--header-h); }
    .header-inner { padding: 0 var(--page-x-mobile); }
    .brand-logo { width: var(--header-logo-mobile-width); height: 24px; }

    .hero { padding-top: calc(var(--header-h) + 30px); padding-bottom: 24px; }
    .hero-grid { padding: 0 var(--page-x-mobile); gap: 24px; }
    .hero-copy-shift { padding-top: var(--hero-lower-offset-mobile); }
    .hero-visual { display: none; }
    .hero-badge {
      max-width: 100%;
      white-space: normal;
      align-items: flex-start;
      margin-top: 14px;
      margin-bottom: 14px;
      font-size: 11px;
      line-height: 1.45;
    }
    .hero h1 {
      max-width: 100%;
      line-height: 1.22;
      letter-spacing: -0.015em;
      margin-bottom: 14px;
      word-break: keep-all;
    }
    .hero-desc { max-width: 100%; margin-bottom: 18px; }
    .hero-actions { flex-direction: column; gap: 10px; margin-bottom: 18px; }
    .hero-actions .btn { width: 100%; height: 42px; }
    .hero-trust { gap: 10px 18px; }
    .trust-item { font-size: 11px; }

    .section { padding: 0 var(--page-x-mobile); }
    .section-header { margin-bottom: 30px; }
    .section-desc { max-width: 100%; margin-top: 12px; }
    .capabilities-stage { margin-bottom: 72px; }
    .bento-grid { grid-template-columns: 1fr; gap: 12px; }
    .bento-card { padding: 16px; border-radius: var(--card-radius); }
    .bento-card.wide { grid-column: span 1; }
    .bento-card.tall { grid-row: span 1; }

    .production-section { padding: 56px 0; margin-bottom: 64px; }
    .production-inner { padding: 0 var(--page-x-mobile); }
    .production-header { margin-bottom: 22px; }
    .production-header .section-title,
    .production-header .section-desc {
      white-space: normal;
    }
    .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 14px 12px; padding-top: 0; }
    .production-showcase {
      grid-template-columns: 1fr;
      gap: 16px;
      margin-bottom: 0;
    }
    .production-copy-card,
    .production-visual-card {
      padding: 16px;
      border-radius: 18px;
      min-height: auto;
      height: auto;
    }
    .production-visual-card {
      display: none;
    }
    .production-copy-title {
      font-size: 24px;
    }
    .production-copy-desc {
      font-size: 14px;
      margin-bottom: 16px;
    }
    .production-points {
      grid-template-columns: 1fr 1fr;
      gap: 10px;
    }
    .step-circle { display: none; }
    .flow-step { padding-top: 0; }
    .flow-step span { font-size: 12px; margin-bottom: 2px; line-height: 1.25; }
    .flow-step small { font-size: 10px; line-height: 1.2; }

    .data-grid { gap: 30px; margin-bottom: 72px; }
    #data {
      min-height: calc(100svh - var(--header-h));
      padding-block: 30px;
    }
    #data .data-grid {
      gap: 24px;
      margin-bottom: 0;
    }
    #dataContent { width: 100%; }
    .badge-left { left: -6px; }
    .badge-right { right: -6px; }
    .data-visual { height: 300px; overflow: hidden; }
    .shield-graphic { width: 280px; height: 280px; }
    .data-visual { height: 330px; }
    .core-vault { width: 132px; height: 132px; }
    .vault-title { font-size: 14px; }
    .vault-desc { font-size: 10px; }
    .security-badge { font-size: 11px; padding: 7px 10px; }
    .caption-item { display: none; }

    .about-section {
      margin-bottom: 72px;
      padding: 0 var(--page-x-mobile);
    }
    .about-panel {
      padding: 28px 18px;
      border-radius: 20px;
    }
    .about-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    .about-title {
      font-size: clamp(22px, 6vw, 28px);
    }
    .about-lead {
      font-size: 14px;
      line-height: 1.8;
    }
    .about-copy-block {
      padding: 16px;
      border-radius: 16px;
    }
    .about-value-card {
      min-height: 0;
      padding: 17px 16px 16px 50px;
      border-radius: 16px;
    }
    .about-value-card::before {
      left: 16px;
      top: 18px;
    }
    .about-actions .btn {
      width: 100%;
    }
    .site-footer { padding: 30px 0; }
    .footer-inner { flex-direction: column; gap: 12px; text-align: center; padding: 0 var(--page-x-mobile); }
    .mobile-nav { padding: 14px var(--page-x-mobile); }
  }

  @media (max-width: 480px) {
    :root {
      --text-hero-title-size: clamp(21px, 7vw, 28px);
      --text-section-title-size: clamp(21px, 6.2vw, 26px);
      --card-radius: 12px;
    }
    .header-actions {
      gap: 4px;
    }
    .header-actions .btn {
      height: 26px;
      padding: 0 6px;
      font-size: 10px;
      gap: 4px;
    }
    .header-actions .btn-auth-icon {
      width: 11px;
      height: 11px;
    }
    .menu-toggle {
      width: 30px;
      height: 30px;
      margin-left: 6px;
    }
    .hero-badge { padding: 5px 10px; }
    .hero h1 { line-height: 1.24; }
    #data { padding-block: 24px; }
    #data .data-grid { gap: 18px; }
    .data-visual { height: 292px; }
    .shield-graphic { width: 252px; height: 252px; }
    .security-badge { font-size: 10px; padding: 6px 8px; }
    .bento-icon { width: 32px; height: 32px; margin-bottom: 10px; }
    .bento-card { padding: 14px; }
    .flow-grid { grid-template-columns: 1fr 1fr; gap: 12px 10px; }
    .production-points {
      grid-template-columns: 1fr;
    }
    .production-mini-note {
      gap: 8px 12px;
    }
    .production-mini-note span {
      font-size: 11px;
    }
    .cta-section .btn { width: 100%; }
  }

  /* Mobile menu */
  .mobile-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: calc(100svh - var(--header-h));
    overflow-y: auto;
    overscroll-behavior: contain;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-nav.open {
    display: flex;
  }
  .mobile-nav a {
    padding: 12px 0;
    font-size: 15px;
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    border-bottom: 1px solid var(--border);
  }
  .mobile-nav a:last-child {
    border-bottom: none;
  }

/* Header logo replaced with the final logo composition from the reference file. */
  .brand-logo.final-logo {
    width: var(--header-logo-width);
    height: var(--header-logo-height);
    display: flex;
    align-items: center;
    overflow: visible;
    object-fit: initial;
  }
  .final-logo-stack {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    width: max-content;
    line-height: 1;
    white-space: nowrap;
  }
  .final-logo-cn {
    color: #168bcb;
    font-size: 17px;
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1;
  }
  .final-logo-rule {
    width: 0;
    height: 1px;
    margin-top: 2px;
    border-radius: 99px;
    background: #f28f8f;
  }
  .final-logo-en {
    margin-top: 1px;
    color: #7f98aa;
    font: 400 8px/1 Arial, sans-serif;
    letter-spacing: .16em;
  }
  .brand-logo-static {
    width: auto;
    height: var(--header-logo-height);
    display: flex;
    align-items: center;
    overflow: visible;
    flex: 0 0 auto;
  }
  .brand-logo-static .final-logo-rule { width: 100%; }
  .brand .brand-logo { display: none !important; }
  .brand-platform-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 18px;
    padding: 0 8px;
    border-radius: 999px;
    border: 1px solid #7eb6d9;
    background: #eef6fb;
    color: #4a8fbe;
    font: 600 9px/1 Arial, "Helvetica Neue", sans-serif;
    letter-spacing: 0.04em;
    white-space: nowrap;
    user-select: none;
  }
  @media (max-width: 767px) {
    .brand-logo.final-logo {
      width: var(--header-logo-mobile-width);
      height: 24px;
    }
    .final-logo-cn { font-size: 15px; }
    .final-logo-en { font-size: 7px; }
    .brand-logo-static { width: var(--header-logo-mobile-width); height: 26px; }
    .brand-platform-badge {
      height: 16px;
      padding: 0 6px;
      font-size: 8px;
    }
  }