:root {
      --primary: #d6336c;
      --bg: #f6f7fb;
      --card: #ffffff;
      --soft-hot: #a61e4d;
      --ink: #1f2633;
      --muted: #667085;
      --border: #e5e7eb;
  }

  * {
      box-sizing: border-box;
  }

  body {
      margin: 0;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      background: #f6f7fb;
      color: #1f2633;
      line-height: 1.65;
  }

  a {
      text-decoration: none;
      color: inherit;
  }

  /* ================= Header ================= */
  .header {
      padding-top: 10px;
      top: 0;
      z-index: 10;
      background: linear-gradient(180deg, #ffffff 0%, #fff5f8 100%);
      box-shadow: 0 0px 5px rgba(0, 0, 0, .2);
      border-radius: 0 0 5px 5px;
  }

  /* PC：三列 Grid，确保 |logo| nav(居中) |language|*/
  .header .wrap {
      max-width: 1100px;
      margin: 0 auto;
      padding: 14px 20px 10px 20px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      column-gap: 20px;
  }

  .header-row {
      display: contents;
  }

  /* 让 logo 明确在第1列 */
  .brand {
      grid-column: 1;
      display: flex;
      align-items: center;
      gap: 6px;
      color: #3a2f2a;
      min-width: max-content;
  }

  .brand .logo-img {
      width: 45px;
  }

  .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
  }

  .brand-name {
      font-size: 18px;
      font-weight: 550;
      letter-spacing: 0.1em;
      /* 关键就在这里 */
  }

  .brand-tagline {
      font-size: 12px;
      font-weight: 545;
  }

  .header-right {
      grid-column: 2;
      display: flex;
      justify-content: center;
      min-width: 0;
  }

  .nav {
      display: flex;
      gap: 20px;
      flex-wrap: nowrap;
      padding-top: 10px;
      margin-bottom: 5px;
  }

  .nav a {
      padding: 2px 8px 2px 8px;
      border-radius: 5px;
      font-size: 16px;
      color: #3a2f2a;
  }

  .nav a:hover,
  .nav a.active {
      background: rgba(230, 230, 230, .3);
      color: #000;
      box-shadow: 0px 2px 5px 1px rgba(0, 0, 0, .2);
      font-weight: 500;
  }

  /* 右侧：language 明确在第3列，并靠右 */
  .lang-switcher {
      grid-column: 3;
      justify-self: end;
      position: relative;
      min-width: 196px;
      text-align: right;
  }

  .lang-btn {
      padding: 5px 9px;
      border-radius: 6px;
      border: 1px solid rgba(150, 150, 150, .45);
      background: rgba(255, 255, 255, .08);
      font-size: 13px;
      cursor: pointer;
      width: 92px;
      text-align: left;
  }

  .lang-btn:hover {
      background: rgba(220, 220, 220, .6);
  }

  .lang-menu {
      position: absolute;
      top: calc(100% + 2px);
      right: 0;
      list-style: none;
      margin: 0;
      padding: 5px;
      background: #fff;
      border-radius: 6px;
      box-shadow: 0 12px 28px rgba(16, 24, 40, .12);
      display: none;
      z-index: 20;
      border: 1px solid rgba(150, 150, 150, .45);
  }

  .lang-menu li {
      width: 80px;
      padding: 4px 5px;
      border-radius: 3px;
      cursor: pointer;
      font-size: 13px;
      color: #000;
      text-align: left;
  }

  .lang-menu li:hover {
      background: #e9e7e8;
  }

  /* ================= Footer ================= */
  .footer {
      border-top: #d5d9e2 1px solid;
      /* color: #5a6170; */
      text-align: center;
      padding: 24px 16px;
  }

  .footer-nav {
      padding-bottom: 5px;
      padding-top: 5px;
  }

  .footer a {
      color: #c0265a;
      margin: 0 10px;
  }

  .footer-brand {
      margin: 10px 0;
  }

  .footer a:hover {
      text-decoration: underline;
      color: #F0265a;
  }

  .footer-nav a {
      font-size: 14px;
      margin-left: 10px;
      margin-right: 10px;
  }

  .footer-note {
      color: var(--muted);
      font-size: 13px;
  }

  .footer-copy {
      color: #8a90a0;
  }

  .footer-copy a {
      color: #ca90a0;
  }

  /* ================= Mobile ================= */
  @media (max-width: 768px) {

      .header {
          position: sticky;
          padding-top: 0px;
          box-shadow: 0 3px 5px rgba(0, 0, 0, .2);
      }

      .header .wrap {
          display: grid;
          flex-direction: column;
          gap: 10px;
          padding-bottom: 0px;
      }

      .header-row {
          display: flex;
          width: 100%;
          align-items: center;
          justify-content: space-between;
          grid-column: 1 / -1;
      }

      .header-right {
          grid-column: 1 / -1;
      }

      .brand {
          grid-column: auto;
          min-width: 0;
          gap: 5px;
      }

      .brand .logo-img {
          width: 35px;
      }

      .brand-text {
          line-height: 1.1;
      }

      .brand-name {
          font-size: 16px;
          font-weight: 550;
          letter-spacing: 0.08em;
          /* 关键就在这里 */
      }

      .brand-tagline {
          font-size: 10px;
          font-weight: 545;
      }

      .lang-switcher {
          grid-column: auto;
          justify-self: auto;
      }

      .lang-btn {
          padding: 4px 6px;
          border-radius: 5px;
          font-size: 12px;
          width: 82px;
      }

      .lang-menu {
          padding: 4px;
          border-radius: 5px;
          /* box-shadow: 0 12px 28px rgba(16, 24, 40, .12); */
      }

      .lang-menu li {
          border-radius: 3px;
          font-size: 12px;
          width: 74px;
      }

      .header-right {
          width: 100%;
          justify-content: center;
      }

      .nav {
          width: 100%;
          justify-content: center;
          flex-wrap: nowrap;
          overflow-x: auto;
          padding-bottom: 5px;
          padding-top: 5px;
          gap: 0px;
      }

      .nav::-webkit-scrollbar {
          display: none;
      }

      .nav a {
          white-space: nowrap;
          font-size: 13px;
          padding: 2px 8px;
          margin: 0 5px;
      }

      .footer {
          font-size: 12px;
          padding: 10px 20px 15px 20px;
      }

      .footer-links a {
          margin: 0 5px;
      }
  }