/* =========================================================
       DESIGN SYSTEM TOKENS - Caramel & Cream (经典焦糖奶油糖果工业风)
       ========================================================= */
    :root {
      --ink: #2b211c;
      --text: #5c4f47;
      --muted: #8a7b71;
      --line: #eadfd6;
      --bg: #fbf7f2;
      --card: #ffffff;
      --caramel: #c26a3a;
      --caramel-dark: #a4532c;
      --caramel-light: #fff7f0;
      --caramel-border: #efcbb3;
      --cream: #fff9f3;
      --cream-soft: #fff6ee;
      --dark-footer: #3d2f28;
      --dark-footer-line: #5a463c;
      --dark-footer-text: #d4c0b0;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: Outfit, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--cream);
      line-height: 1.6;
      font-size: 15px;
    }
    img { width: 100%; height: 100%; object-fit: cover; display: block; }
    a { color: inherit; text-decoration: none; }
    .wrap { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }

    /* 按钮规范 */
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      background: var(--caramel); color: #fff; border: 0; border-radius: 999px;
      padding: 12px 24px; font-weight: 600; font-size: 14px; cursor: pointer;
      transition: all .2s ease;
    }
    .btn:hover { background: var(--caramel-dark); transform: translateY(-1px); }
    .btn-soft {
      background: #fff; color: var(--caramel); border: 1px solid var(--caramel-border);
    }
    .btn-soft:hover { background: var(--caramel-light); }
    .btn-sm { width: 100%; padding: 8px 12px; font-size: 13px; border-radius: 999px; }

    /* 顶栏 Topbar */
    .topbar {
      background: var(--dark-footer); color: #e8d5c4; font-size: 12px; padding: 8px 0;
    }
    .topbar .wrap { display: flex; justify-content: space-between; gap: 12px; align-items: center; }

    /* 导航栏 Header */
    header {
      position: sticky; top: 0; z-index: 40;
      background: rgba(255,249,243,.94); backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }
    .nav {
      display: flex; align-items: center; justify-content: space-between; height: 72px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 21px;
      letter-spacing: -0.01em; color: var(--ink);
    }
    .logo .mark {
      width: 36px; height: 36px; border-radius: 50%;
      background: linear-gradient(135deg, #e08a55, #c26a3a);
      color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 18px;
    }
    .menu { display: flex; gap: 22px; align-items: center; font-size: 14px; font-weight: 500; color: var(--text); }
    .menu a { transition: color .2s; }
    .menu a:hover, .menu a.active { color: var(--caramel); }
    .menu > a { padding: 26px 0; }
    .nav-item { position: relative; }
    .nav-item > a { display: inline-flex; align-items: center; gap: 4px; padding: 26px 0; }
    .nav-item .caret { font-size: 9px; opacity: .55; }
    .dropdown {
      display: none;
      position: absolute;
      top: calc(100% - 10px);
      left: 50%;
      transform: translateX(-50%);
      min-width: 188px;
      padding: 8px 0;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: 0 12px 28px rgba(43,33,28,.12);
      z-index: 50;
    }
    .dropdown.cols-2 { min-width: 188px; display: none; }
    .nav-item:hover .dropdown,
    .nav-item:focus-within .dropdown { display: block; }
    .nav-item:hover .dropdown.cols-2,
    .nav-item:focus-within .dropdown.cols-2 { display: block; }
    .dropdown a {
      display: block;
      padding: 8px 16px;
      font-size: 13px;
      color: var(--text);
      white-space: nowrap;
    }
    .dropdown a:hover { background: var(--caramel-light); color: var(--caramel); }

    /* 通用排版 */
    section { padding: 64px 0; }
    .soft { background: var(--cream-soft); }
    .center { text-align: center; }
    .label {
      display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .1em;
      text-transform: uppercase; color: var(--caramel); margin-bottom: 8px;
    }
    h2 {
      font-size: clamp(24px, 3.2vw, 34px); letter-spacing: -.02em; margin-bottom: 12px;
      line-height: 1.25; color: var(--ink);
    }
    h2 em { font-style: normal; color: var(--caramel); }
    .sub { color: var(--muted); max-width: 680px; margin-bottom: 28px; font-size: 15px; }
    .center .sub { margin-left: auto; margin-right: auto; }

    /* 左右分栏 Split */
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
    .split-reverse { grid-template-columns: .95fr 1.05fr; }

    /* 1. 首屏 Hero 区域 (对应原型 ZYOIdUIDtHRCY7PEcE7K-64~71) */
    .hero {
      position: relative;
      padding: 56px 0 48px;
      background:
        radial-gradient(circle at 90% 12%, #ffe8d6 0%, transparent 45%),
        radial-gradient(circle at 6% 85%, #fff1e6 0%, transparent 40%),
        var(--cream);
      border-bottom: 1px solid var(--line);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 36px;
      align-items: center;
    }
    .hero-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px;
      box-shadow: 0 16px 36px rgba(194,106,58,.08);
    }
    .hero-card h1 {
      font-size: clamp(28px, 3.8vw, 42px);
      letter-spacing: -.02em;
      line-height: 1.2;
      color: var(--ink);
      margin-bottom: 12px;
    }
    .hero-card p {
      color: var(--text);
      font-size: 15px;
      margin-bottom: 22px;
      line-height: 1.6;
    }
    .hero-visual {
      border-radius: 20px;
      overflow: hidden;
      min-height: 320px;
      box-shadow: 0 18px 40px rgba(43,33,28,.08);
      background: #fff1e6;
    }

    /* 2. 5大核心优势条 (对应原型 ZYOIdUIDtHRCY7PEcE7K-2~24) */
    .strip-section { padding: 32px 0; }
    .strip-grid-5 {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 14px;
    }
    .strip-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 20px 14px;
      text-align: center;
      transition: all .25s ease;
    }
    .strip-item:hover {
      border-color: var(--caramel-border);
      box-shadow: 0 10px 24px rgba(194,106,58,.08);
      transform: translateY(-2px);
    }
    .strip-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--caramel-light);
      border: 1.5px solid var(--caramel-border);
      color: var(--caramel);
      margin: 0 auto 10px;
      display: grid;
      place-items: center;
      font-size: 18px;
      font-weight: 700;
    }
    .strip-item h3 { font-size: 15px; color: var(--ink); margin-bottom: 6px; }
    .strip-item p { font-size: 12.5px; color: var(--muted); line-height: 1.45; }

    /* 3. 糖果展示柜 8款产品网格 (对应原型 ZYOIdUIDtHRCY7PEcE7K-109~143) */
    .showcase-grid-4x2 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .candy-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: 0 6px 18px rgba(43,33,28,.02);
      transition: all .25s ease;
    }
    .candy-card:hover {
      border-color: var(--caramel-border);
      box-shadow: 0 12px 28px rgba(194,106,58,.08);
      transform: translateY(-2px);
    }
    .candy-card .pic {
      height: 160px;
      overflow: hidden;
      background: #fff1e6;
    }
    .candy-card .body {
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .candy-card h4 {
      font-size: 14.5px;
      color: var(--ink);
      margin-bottom: 12px;
      text-align: center;
    }

    /* 4. 为什么选择我们 (对应原型 ZYOIdUIDtHRCY7PEcE7K-52~63) */
    .feature-list { list-style: none; margin: 18px 0 24px; }
    .feature-list li {
      position: relative; padding-left: 26px; margin-bottom: 12px; font-size: 14.5px;
      color: var(--text); line-height: 1.5;
    }
    .feature-list li::before {
      content: "✓"; position: absolute; left: 0; top: 0;
      color: var(--caramel); font-weight: 700; font-size: 15px;
    }
    .feature-list strong { color: var(--ink); font-weight: 600; }
    .frame {
      position: relative; border-radius: 20px; overflow: hidden; min-height: 310px;
      box-shadow: 0 18px 40px rgba(43,33,28,.08); background: #fff1e6;
    }
    .frame img { min-height: 310px; }
    .play {
      position: absolute; inset: 0; display: grid; place-items: center;
      background: rgba(43,33,28,.22); cursor: pointer; transition: background .2s;
    }
    .play:hover { background: rgba(43,33,28,.12); }
    .play span {
      width: 64px; height: 64px; border-radius: 50%; background: #fff; color: var(--caramel);
      display: grid; place-items: center; font-size: 20px; box-shadow: 0 8px 24px rgba(0,0,0,.15);
      padding-left: 4px; font-weight: 700;
    }

    /* 5. 360°虚拟工厂展台 (对应原型 ZYOIdUIDtHRCY7PEcE7K-25~32) */
    .vr-factory-banner {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px;
      text-align: center;
      box-shadow: 0 10px 30px rgba(43,33,28,.03);
    }
    .vr-badge-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin: 16px 0 24px;
      flex-wrap: wrap;
    }
    .vr-badge {
      background: var(--caramel-light);
      border: 1px solid var(--caramel-border);
      color: var(--caramel);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
    }
    .vr-screen {
      position: relative;
      height: 320px;
      border-radius: 16px;
      overflow: hidden;
      background: #fff1e6;
      box-shadow: 0 14px 36px rgba(43,33,28,.08);
      cursor: pointer;
    }

    /* 6. 合作过的品牌 8商标 (对应原型 ZYOIdUIDtHRCY7PEcE7K-42~51 / 72) */
    .partners-grid-4x2 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 24px;
    }
    .partner-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--caramel);
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      display: grid;
      place-items: center;
      flex-shrink: 0;
    }

    /* 7. 生产过程介绍 6工序 (对应原型 ZYOIdUIDtHRCY7PEcE7K-92~106) */
    .process-grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .shot {
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--line);
      background: #fff;
      transition: .25s ease;
    }
    .shot:hover {
      border-color: var(--caramel-border);
      box-shadow: 0 12px 28px rgba(194,106,58,.09);
      transform: translateY(-2px);
    }
    .shot .pic { height: 170px; background: #fff1e6; }
    .shot .cap { padding: 14px 16px; }
    .shot h4 { font-size: 14.5px; margin-bottom: 4px; color: var(--ink); }
    .shot small { color: var(--muted); font-size: 12.5px; display: block; line-height: 1.4; }

    /* 8. 我们的展会足迹 6格 (对应原型 ZYOIdUIDtHRCY7PEcE7K-75~91) */
    .expo-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    /* 9. 薄荷糖相关测试与实测视频卡片 (对应原型 ZYOIdUIDtHRCY7PEcE7K-33~40) */
    .testing-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 32px;
      align-items: center;
      box-shadow: 0 8px 24px rgba(43,33,28,.02);
    }

    /* 10. 底部大询盘表单 (对应原型 ZYOIdUIDtHRCY7PEcE7K-146~154) */
    form.inquiry-form {
      display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
      background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 28px;
      box-shadow: 0 16px 36px rgba(43,33,28,.04); max-width: 860px; margin: 24px auto 0;
    }
    form .full { grid-column: 1 / -1; }
    .form-group label {
      display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink);
    }
    input, textarea {
      width: 100%; border: 1px solid var(--line); border-radius: 12px;
      padding: 12px 16px; font: inherit; background: var(--cream); color: var(--ink);
      transition: border-color .2s, outline .2s;
    }
    input:focus, textarea:focus {
      outline: 2px solid var(--caramel-border); border-color: var(--caramel); background: #fff;
    }
    textarea { min-height: 110px; resize: vertical; }
    .file-upload-box {
      border: 1px dashed var(--caramel-border); border-radius: 12px; padding: 10px 14px;
      background: var(--caramel-light); font-size: 13px; color: var(--muted);
      display: flex; align-items: center; justify-content: space-between;
    }
    .file-upload-box input[type="file"] { border: 0; background: transparent; padding: 0; width: auto; font-size: 12px; }

    /* 11. 页脚 Footer 4列架构 (对应原型 ZYOIdUIDtHRCY7PEcE7K-155~164) */
    footer { background: var(--dark-footer); color: var(--dark-footer-text); padding: 56px 0 24px; }
    .foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
    footer h5 { color: #fff; margin-bottom: 14px; font-size: 15px; font-weight: 600; }
    footer a, footer p { display: block; margin-bottom: 9px; font-size: 13px; color: var(--dark-footer-text); transition: color .2s; }
    footer a:hover { color: #fff; }
    footer ul { list-style: none; }
    .copy {
      border-top: 1px solid var(--dark-footer-line); margin-top: 36px; padding-top: 18px;
      font-size: 12px; display: flex; justify-content: space-between; color: #a48f80;
    }

    /* 响应式断点 */
    @media (max-width: 980px) {
      .menu { display: none; }
      .hero-grid, .split, .split-reverse, .foot, form.inquiry-form, .testing-card {
        grid-template-columns: 1fr;
      }
      .strip-grid-5, .showcase-grid-4x2, .partners-grid-4x2, .process-grid-3x2, .expo-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }