/* ===== CSS 变量 ===== */
    :root {
      --navy-hero: #0066a1;
      --navy-footer: #00558a;
      --navy-dark: #003f66;
      --blue-light: #cce5f5;
      --blue-pale: #e6f2fa;
      --blue-ice: #f0f6fc;
      --blue-accent: #0088cc;
      --blue-accent-hover: #006699;
      --product-glow: #c8e600;
      --product-glow-soft: rgba(200, 230, 0, 0.13);
      --white: #ffffff;
      --text-primary: #3e3e3e;
      --text-secondary: #525252;
      --text-tertiary: #8a8a8a;
      --text-on-dark: #ffffff;
      --text-on-dark-dim: #c2d6e8;
      --border-light: #d6dde5;
      --border-subtle: #e2e7ed;
      --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
        --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-xl: 20px;
      --transition-fast: 0.2s ease;
      --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
      --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      background-color: var(--blue-pale);
    }

    body {
      font-family: var(--font-sans);
      background: var(--blue-pale);
      color: var(--text-primary);
      line-height: 1.65;
      min-height: 100vh;
      letter-spacing: -0.01em;
    }


    /* ===== 导航 ===== */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      background: transparent;
      backdrop-filter: none;
      -webkit-backdrop-filter: none;
      border-bottom: 1px solid transparent;
      transition: all var(--transition-smooth);
    }
    .navbar.scrolled {
      background: rgba(0, 51, 102, 0.7);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.6);
    }
    .nav-inner {
      max-width: 1280px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      padding: 0 2rem;
      gap: 1.5rem;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 0.8rem;
      text-decoration: none;
      flex-shrink: 0;
      color: #fff;
      transition: color var(--transition-smooth);
    }
    .scrolled .nav-logo { color: #fff; }
    .nav-logo-icon {
      width: 36px; height: 36px;
      border-radius: var(--radius-sm);
      background: var(--blue-accent);
      display: flex; align-items: center; justify-content: center;
      font-weight: 800; font-size: 1rem; letter-spacing: -0.03em; color: #fff;
      transition: background var(--transition-smooth);
    }
    .scrolled .nav-logo-icon { background: var(--navy-hero); }
    .nav-logo-text {
      font-weight: 700; font-size: 1.2rem;
      letter-spacing: -0.02em; white-space: nowrap; line-height: 1;
    }
    .nav-logo-text small {
      font-weight: 400; font-size: 0.65rem; display: block;
      opacity: 0.7; letter-spacing: 0.06em; margin-top: 2px;
    }
    .nav-links {
      display: flex; list-style: none; gap: 0.15rem; align-items: center;
    }
    .nav-links a {
      text-decoration: none;
      color: rgba(255,255,255,0.82);
      font-size: 0.88rem; font-weight: 700;
      padding: 0.45rem 0.8rem; border-radius: 6px;
      transition: all var(--transition-fast); white-space: nowrap;
      cursor: pointer;
    }
    .scrolled .nav-links a { color: #ffffff; }
    .nav-links a:hover, .nav-links a:focus-visible {
      background: rgba(255,255,255,0.1); color: #fff;
    }
    .scrolled .nav-links a:hover {
      background: rgba(255,255,255,0.1); color: #ffffff;
    }
    .nav-links a.active {
      color: #fff;
      background: rgba(255,255,255,0.12);
    }
    .scrolled .nav-links a.active {
      color: #ffffff;
      background: rgba(255,255,255,0.1);
    }
    .nav-cta {
      background: var(--blue-accent) !important; color: #fff !important;
      font-weight: 600 !important; padding: 0.5rem 1.2rem !important;
      border-radius: 20px !important;
    }
    .nav-cta:hover {
      background: rgba(255,255,255,0.15) !important;
      box-shadow: 0 4px 14px rgba(0,119,204,0.35);
    }
    .scrolled .nav-cta:hover {
      background: rgba(255,255,255,0.1) !important;
      box-shadow: none;
    }
    .nav-hamburger {
      display: none; flex-direction: column; gap: 5px;
      background: none; border: none; cursor: pointer;
      padding: 8px; z-index: 1001;
    }
    .nav-hamburger span {
      display: block; width: 24px; height: 2.5px;
      background: #fff; border-radius: 3px;
      transition: all var(--transition-fast);
    }
    .scrolled .nav-hamburger span { background: #fff; }
    .nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
    .nav-hamburger.active span:nth-child(2) { opacity: 0; }
    .nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

    @media (max-width: 960px) {
      .nav-links {
        position: fixed; top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: var(--navy-hero);
        flex-direction: column;
        padding: 5rem 1.5rem 2rem; gap: 0.4rem;
        transition: right var(--transition-smooth);
        box-shadow: -8px 0 30px rgba(0,0,0,0.25);
        align-items: flex-start; z-index: 1000;
      }
      .nav-links.active { right: 0; }
      .nav-links a { width: 100%; padding: 0.7rem 1rem; color: #fff !important; font-size: 0.95rem; }
      .nav-links a:hover { background: rgba(255,255,255,0.1); }
      .nav-hamburger { display: flex; }
      .mobile-overlay {
        display: none; position: fixed; inset: 0;
        background: rgba(0,0,0,0.4); z-index: 999;
      }
      .mobile-overlay.active { display: block; }
    }


    /* ===== 通用区块 ===== */
    .section { padding: 2.8rem 1.5rem; position: relative; }
    .section-alt { background: var(--blue-ice); }
    .section-inner { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
    .section-label {
      display: inline-block; font-size: 0.78rem; font-weight: 700;
      text-transform: uppercase; letter-spacing: 0.08em; color: var(--blue-accent);
      background: rgba(0,119,204,0.07); border-radius: 18px;
      padding: 0.3rem 0.9rem; margin-bottom: 0.8rem;
    }
    .section-title { font-size: clamp(1.5rem,2.8vw,2.1rem); font-weight: 700; color: var(--text-primary); margin-bottom: 0.7rem; letter-spacing: -0.02em; line-height: 1.3; }
    .section-desc { font-size: 1rem; color: var(--text-secondary); max-width: none; line-height: 1.7; }


    /* ===== 页面头 ===== */
    .page-header {
      background-image: url('/images/hero-bg.webp');
      background-size: cover;
      background-position: center top;
      background-repeat: no-repeat;
      background-color: transparent;
      padding: 8rem 1.5rem 4rem;  /* 保持原有内边距，可调整 */
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .page-header::before {
      content: '';
      position: absolute;
      inset: 0;
      background: transparent;
    }
    .page-header h1 {
      font-size: clamp(1.8rem,4vw,2.8rem);
      font-weight: 800;
      color: #ffffff;
      letter-spacing: 0.1em;
      position: relative;
      text-shadow: 0 2px 8px rgba(0,0,0,0.8);
    }
    .page-header p {
      margin-top: 0.8rem;
      font-size: 1rem;
      color: #ffffff;
      position: relative;
      text-shadow: 0 2px 5px rgba(0,0,0,1);
    }


    /* ===== Toast ===== */
    .toast {
      position: fixed;
      bottom: 2rem;
      left: 50%;
      transform: translateX(-50%) translateY(100px);
      background: #1a1a2e;
      color: #fff;
      padding: 0.8rem 1.6rem;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
      opacity: 0;
      transition: transform 0.4s ease, opacity 0.4s ease;
      z-index: 9999;
      pointer-events: none;
      max-width: 90vw;
    }
    .toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
    .toast.error { background: #c0392b; }


    /* ===== 页脚 ===== */
    .footer {
      background: var(--navy-footer);
    }
    .footer-top {
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .footer-top-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 3rem 2rem 2.5rem;
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 2.5rem;
      align-items: start;
    }
    .footer-top-text h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--white);
      letter-spacing: -0.02em;
      margin-bottom: 0.3rem;
    }
    .footer-top-text p {
      font-size: 0.88rem;
      color: var(--text-on-dark-dim);
      line-height: 1.5;
    }
    .footer-form { display: flex; flex-direction: column; gap: 0.75rem; }
    .footer-form-row1 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.6rem;
    }
    .footer-form input,
    .footer-form textarea {
      width: 100%;
      padding: 0.7rem 0.9rem;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,0.06);
      color: #fff;
      font-family: inherit;
      font-size: 0.85rem;
      outline: none;
      transition: all var(--transition-fast);
    }
    .footer-form input::placeholder,
    .footer-form textarea::placeholder {
      color: rgba(255,255,255,0.35);
      opacity: 1;
    }
    .footer-form input:focus,
    .footer-form textarea:focus {
      border-color: var(--blue-accent);
      background: rgba(255,255,255,0.1);
      box-shadow: 0 0 0 3px rgba(0,136,204,0.15);
    }
    .footer-form-row2 {
      display: flex;
      gap: 0.6rem;
      align-items: stretch;
    }
    .form-message-wrap { flex: 1; }
    .footer-form textarea {
      height: 100%;
      min-height: 54px;
      resize: vertical;
    }
    .btn-submit {
      padding: 0.7rem 1.8rem;
      border: none;
      border-radius: 20px;
      background: var(--blue-accent);
      color: #fff;
      font-weight: 700;
      font-size: 0.88rem;
      cursor: pointer;
      transition: all var(--transition-fast);
      white-space: nowrap;
      flex-shrink: 0;
      letter-spacing: 0.02em;
    }
    .btn-submit:hover {
      background: var(--blue-accent-hover);
      box-shadow: 0 4px 14px rgba(0,119,204,0.35);
      transform: translateY(-2px);
    }
    .btn-submit:active { transform: translateY(0); }

    .footer-main {
      max-width: 1200px;
      margin: 0 auto;
      padding: 3rem 2rem 2.5rem;
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
      gap: 2rem;
    }
    .footer-brand {
      display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.8rem;
    }
    .footer-brand-name {
      font-weight: 700; color: #fff; font-size: 1.1rem;
    }
    .footer-company-desc {
      font-size: 0.83rem; line-height: 1.7; max-width: 260px; color: var(--text-on-dark-dim);
    }
    .footer-contact-item {
      font-size: 0.78rem; margin-top: 0.6rem; color: var(--text-on-dark-dim);
    }
    .footer-col h4 {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--white);
      letter-spacing: 0.04em;
      text-transform: uppercase;
      margin-bottom: 0.8rem;
    }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
    .footer-col ul li a {
      color: var(--text-on-dark-dim);
      text-decoration: none;
      font-size: 0.83rem;
      transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover { color: #fff; }

    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding: 1.5rem 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.75rem;
      color: rgba(255,255,255,0.35);
      border-top: 1px solid rgba(255,255,255,0.08);
    }
    .footer-bottom .copyright,
    .footer-bottom .icp-info {
      flex: 1;
    }
    .footer-bottom .icp-info {
      text-align: right;
    }
    .footer-bottom a {
      color: rgba(255,255,255,0.35);
      text-decoration: none;
      transition: color var(--transition-fast);
    }
    .footer-bottom a:hover {
      color: rgba(255,255,255,0.6);
    }

    @media (max-width: 768px) {
      .footer-top-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
        padding-bottom: 1.5rem !important;
        padding-left: 1.2rem !important;
        padding-right: 1.2rem !important;
      }
      .footer-form-row1 {
        grid-template-columns: 1fr 1fr;
      }
      .footer-form-row2 {
        flex-direction: column;
      }
      .btn-submit {
        width: 100%;
        text-align: center;
      }
      .footer-main {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
        padding: 2rem 1.2rem !important;
      }
      .footer-main > div:first-child {
        grid-column: 1 / -1;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        padding: 1.2rem 1.2rem !important;
      }
      .footer-bottom .icp-info {
        text-align: center;
      }
    }

        /* 二维码网格样式 */
    .qrcode-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
      margin-top: 0.5rem;
    }
    .qrcode-item {
      text-align: center;
    }
    .qrcode-item .qrcode-title {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--text-on-dark-dim);
      margin-bottom: 0.3rem;
    }
    .qrcode-item img {
      width: 100%;
      max-width: 100px;
      height: auto;
      border-radius: 8px;
      background: #fff;
      padding: 4px;
      box-shadow: var(--shadow-sm);
    }

    @media (max-width: 768px) {
      .qrcode-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 1rem;
      }
      .qrcode-grid img {
        max-width: 100%;
        height: auto;
      }
    }
    @media (max-width: 480px) {
      .footer-main {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-main > div:first-child {
        grid-column: 1 / -1;
      }
      .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      /* 客户 Logo 一行两个 */
      .logo-strip,
      .badge-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
      }
      .logo-strip img,
      .badge-list img {
        max-width: 100%;
        height: auto;
      }
    }


    /* ===== 入场动画 ===== */
    @keyframes fadeUp { 0% { opacity: 0; transform: translateY(24px); } 100% { opacity: 1; transform: translateY(0); } }
    .fade-up { animation: fadeUp 0.7s cubic-bezier(0.16,1,0.3,1) forwards; }
    .fade-up-d1 { animation-delay: 0.08s; opacity: 0; }
    .fade-up-d2 { animation-delay: 0.18s; opacity: 0; }
    .fade-up-d3 { animation-delay: 0.28s; opacity: 0; }
    .fade-up-d4 { animation-delay: 0.38s; opacity: 0; }


    /* ===== 加载指示器 ===== */
    .loading-placeholder {
      padding: 2rem; text-align: center; color: var(--text-tertiary);
      font-size: 0.88rem; opacity: 0.6;
    }
    .loading-placeholder::after { content: '加载中…'; }

    [data-cms-field] { }
    [data-cms-image] { }