:root {
      --color-primary: #FF9800;
      --color-secondary: #5D4037;
      --color-text: #333333;
      --color-muted: #666666;
      --color-line: #e5e5e5;
      --color-bg: #ffffff;
      --max: 1200px;
      --sidebar: 240px;
      --header-offset: 160px;
      font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
      color: var(--color-text);
      background: #f7f7f7;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: auto; }
    body { margin: 0; overflow-x: hidden; background: #f7f7f7; color: var(--color-text); font-size: 14px; line-height: 1.7; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    ul { margin: 0; padding: 0; list-style: none; }
    .wrap { width: min(100% - 24px, var(--max)); margin: 0 auto; }
    .site { background: #fff; min-height: 100vh; display: flex; flex-direction: column; }

    /* 顶栏欢迎语 */
    .topbar {
      background: var(--color-primary);
      color: #fff;
      font-size: 13px;
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 36px; padding: 6px 0;
    }

    /* 品牌头 */
    .brand-bar { background: #fff; border-bottom: 1px solid var(--color-line); }
    .brand-bar-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
      min-height: 88px; padding: 14px 0;
    }
    .brand-left strong {
      display: block; font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; color: #222; line-height: 1.25;
    }
    .brand-left span {
      display: block; margin-top: 4px; color: var(--color-secondary); font-size: 13px;
    }
    .brand-phone {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--color-primary); font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; white-space: nowrap;
    }
    .brand-phone svg { width: 28px; height: 28px; flex-shrink: 0; }

    /* 导航 */
    .nav-bar {
      position: sticky; top: 0; z-index: 40;
      background: #fff;
      border-bottom: 1px solid var(--color-line);
      box-shadow: 0 2px 8px rgba(0,0,0,.04);
    }
    .nav-bar-inner { display: flex; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .nav-bar-inner::-webkit-scrollbar { display: none; }
    .nav-bar a {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 46px; padding: 0 18px; white-space: nowrap; flex-shrink: 0;
      color: #333; font-size: 15px; font-weight: 700;
      border-right: 1px solid #eee;
      transition: background .15s ease, color .15s ease;
    }
    .nav-bar a:first-child { border-left: 1px solid #eee; }
    .nav-bar a:hover,
    .nav-bar a.active {
      background: #f2f2f2;
      color: var(--color-primary);
    }

    /* Banner：现有文案 + 展厅图 */
    .banner {
      position: relative;
      isolation: isolate;
      min-height: 360px;
      display: grid; align-items: center;
      padding: 48px 0;
      overflow: hidden;
      background: url("banner-showroom.png") center / cover no-repeat;
      color: #fff;
      scroll-margin-top: 48px;
    }
    .banner::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background: linear-gradient(90deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.28) 55%, rgba(0,0,0,.18) 100%);
    }
    .banner .wrap,
    .banner-inner { position: relative; z-index: 2; }
    .banner-inner { max-width: 680px; }
    .banner-badge {
      display: inline-block;
      padding: 6px 12px;
      background: rgba(255,152,0,.92);
      color: #fff; font-size: 13px; font-weight: 700; line-height: 1.4;
    }
    .banner h1 {
      margin: 16px 0 0;
      font-size: clamp(28px, 3.6vw, 42px);
      line-height: 1.2; font-weight: 900;
    }
    .banner p {
      margin: 14px 0 0;
      font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.92);
    }

    /* 主体：左栏服务 + 右栏内容 */
    .page-main {
      display: grid;
      grid-template-columns: var(--sidebar) minmax(0, 1fr);
      gap: 24px;
      padding: 24px 0 40px;
      align-items: start;
      background: #fff;
    }
    .sidebar {
      position: sticky;
      top: 58px;
      border: 1px solid var(--color-line);
      background: #fff;
    }
    .side-title {
      padding: 14px 16px;
      border-bottom: 1px solid var(--color-line);
      color: #222; font-size: 16px; font-weight: 800;
    }
    .side-list a {
      display: flex; align-items: center; gap: 8px;
      padding: 11px 16px;
      border-bottom: 1px solid #f0f0f0;
      color: #444; font-size: 13px; line-height: 1.45;
      transition: color .15s ease, background .15s ease;
    }
    .side-list a:last-child { border-bottom: 0; }
    .side-list a::before {
      content: "";
      width: 0; height: 0;
      border-top: 4px solid transparent;
      border-bottom: 4px solid transparent;
      border-left: 6px solid var(--color-primary);
      flex-shrink: 0;
    }
    .side-list a:hover {
      color: var(--color-primary);
      background: #fff8ef;
    }

    .content { min-width: 0; display: grid; gap: 28px; }
    .panel { scroll-margin-top: 58px; }
    .panel-head {
      margin: 0 0 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--color-line);
    }
    .panel-head h2 {
      margin: 0;
      display: inline-block;
      padding-bottom: 8px;
      font-size: 22px;
      font-weight: 800;
      color: #222;
      border-bottom: 2px solid var(--color-primary);
      line-height: 1.3;
    }
    .body-text { margin: 0; color: var(--color-text); line-height: 1.9; font-size: 14px; }
    .lead { margin: 0 0 16px; color: var(--color-muted); line-height: 1.8; }

    .about-media-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      width: 100%;
      margin-top: 18px;
    }
    .about-media {
      display: block;
      width: 100%;
      overflow: hidden;
    }
    .about-media img,
    .about-image {
      width: 100%;
      height: auto;
      display: block;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }
    .about-media > .img-protect { aspect-ratio: 4 / 3; overflow: hidden; }
    .about-media > .img-protect > img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: auto; }
    .about-phone {
      display: inline-flex; align-items: center; gap: 8px;
      margin-top: 16px;
      color: var(--color-primary); font-size: 16px; font-weight: 800;
    }
    .about-phone svg { width: 18px; height: 18px; }

    /* 核心优势 */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .adv-card {
      border: 1px solid var(--color-line);
      background: #fff;
    }
    .adv-card img { width: 100%; height: auto; display: block; }
    .adv-card strong {
      display: block; padding: 12px 14px;
      font-size: 14px; line-height: 1.55; color: #222;
    }

    /* 服务方案：参考图布局，三列图+下方标题，原比例 */
    .series + .series { margin-top: 28px; }
    .series h3 {
      margin: 0 0 10px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--color-line);
      font-size: 18px; font-weight: 800; color: #222;
    }
    .series-desc { margin: 0 0 16px; color: var(--color-muted); font-size: 13px; line-height: 1.8; }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px 16px;
    }
    .product-card { background: transparent; }
    .product-card img { width: 100%; height: auto; display: block; }
    .product-card strong {
      display: block; margin-top: 10px;
      text-align: center; font-size: 14px; font-weight: 700; color: #333;
    }

    /* 案例 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }
    .case-card {
      display: grid;
      grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
      gap: 16px;
      align-items: center;
      border: 1px solid var(--color-line);
      padding: 12px;
      background: #fff;
    }
    .case-card img { width: 100%; height: auto; }
    .case-body em {
      display: inline-block; margin-bottom: 6px;
      color: var(--color-primary); font-style: normal; font-size: 12px; font-weight: 700;
    }
    .case-body strong { display: block; margin-bottom: 8px; font-size: 16px; color: #222; }
    .case-body p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.75; }

    .contact-box {
      display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
      padding: 22px 18px;
      border: 1px solid #ffe0b2;
      background: #fff8ef;
    }
    .contact-box h3 { margin: 0 0 6px; font-size: 18px; color: var(--color-secondary); }
    .contact-box p { margin: 0; color: var(--color-muted); }
    .contact-btn {
      display: inline-flex; align-items: center; gap: 8px;
      min-height: 42px; padding: 0 18px;
      background: var(--color-primary); color: #fff; font-weight: 800;
    }
    .contact-btn:hover { background: #f57c00; }
    .contact-btn svg { width: 18px; height: 18px; }

    .footer { margin-top: auto;
      background: var(--color-secondary); color: #d7ccc8;
      padding: 28px 0 18px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px;
      padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.12);
    }
    .footer strong { display: block; color: #fff; margin-bottom: 8px; font-size: 16px; }
    .footer h3 { margin: 0 0 10px; color: #fff; font-size: 14px; }
    .footer p { margin: 0; font-size: 13px; line-height: 1.8; }
    .footer-nav { display: grid; gap: 6px; }
    .footer-nav a.active { color: #fff; }
    .footer-nav a { color: #d7ccc8; font-size: 13px; }
    .footer-nav a:hover { color: #fff; }
    .footer a[href^="tel"] {
      display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 700;
    }
    .footer-loc { display: block; margin-top: 8px; font-size: 13px; color: #bcaaa4; }
    .footer-bottom { padding-top: 14px; text-align: center; font-size: 12px; color: #a1887f; }

    .mobile-call {
      display: none;
      position: fixed; right: 14px; bottom: 70px; z-index: 45;
      min-height: 44px; padding: 0 14px;
      background: var(--color-primary); color: #fff; font-weight: 800;
      box-shadow: 0 8px 20px rgba(255,152,0,.35);
      align-items: center; gap: 8px;
    }
    .call-icon { flex-shrink: 0; width: 18px; height: 18px; display: block; }

    .viewport-disclaimer {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
      padding: 8px 16px; background: rgba(40,40,40,.92); color: #ddd;
      font-size: 12px; line-height: 1.5; text-align: center;
    }
    body.has-viewport-disclaimer { padding-bottom: 52px; }

    @media (max-width: 960px) {
      .page-main { grid-template-columns: 1fr; }
      .sidebar { position: static; }
      .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 720px) {
      .brand-bar-inner { flex-direction: column; align-items: flex-start; }
      .nav-bar a { padding: 0 12px; font-size: 13px; min-height: 42px; }
      .banner { min-height: 280px; padding: 32px 0; }
      .about-media-grid { gap: 10px; }
      .adv-grid, .product-grid { grid-template-columns: 1fr; }
      .case-card { grid-template-columns: 1fr; }
      .mobile-call { display: inline-flex; }
      .brand-phone { font-size: 22px; }
    }
  
    /* 新闻 / 联系占位 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .news-card {
      display: grid; gap: 8px; padding: 16px;
      border: 1px solid var(--color-line); background: #fafafa; color: inherit;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    .news-card:hover {
      border-color: rgba(255,152,0,.45);
      box-shadow: 0 8px 20px rgba(0,0,0,.06);
    }
    .news-card time { color: var(--color-muted); font-size: 12px; font-weight: 700; }
    .news-card strong { color: #222; font-size: 15px; line-height: 1.45; font-weight: 800; }
    .news-card p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.7; }
    .news-list { display: grid; gap: 12px; }
    .news-list-item {
      display: grid; gap: 6px; padding: 16px; border: 1px solid var(--color-line); background: #fafafa; color: inherit;
    }
    .news-list-item:hover { border-color: rgba(255,152,0,.45); }
    .news-list-item strong { color: #222; font-size: 16px; font-weight: 800; }
    .news-list-item time, .news-list-item p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.7; }
    .news-article { display: grid; gap: 14px; max-width: 860px; }
    .news-article time { color: var(--color-muted); font-size: 13px; font-weight: 700; }
    .news-article h1 { margin: 0; color: #222; font-size: clamp(22px, 3vw, 32px); line-height: 1.35; font-weight: 900; }
    .news-article .body-text { color: var(--color-muted); font-size: 14px; line-height: 1.9; }
    .news-more, .news-back { color: var(--color-primary); font-weight: 800; }
    .news-more-wrap { margin-top: 18px; }
    .contact-card {
      display: grid; gap: 12px; max-width: 520px; padding: 22px 20px;
      border: 1px solid var(--color-line); background: #fafafa;
    }
    .contact-card dl { margin: 0; display: grid; gap: 12px; }
    .contact-card dt { color: var(--color-muted); font-size: 12px; font-weight: 800; }
    .contact-card dd { margin: 4px 0 0; color: #222; font-size: 16px; font-weight: 800; }
    .contact-card a { color: var(--color-primary); }
    .brand-left a { color: inherit; }
    @media (max-width: 900px) {
      .news-grid { grid-template-columns: 1fr; }
    }

:root {
      --color-primary: #FF9800;
      --color-secondary: #5D4037;
      --color-text: #333333;
      --color-muted: #666666;
      --color-line: #e5e5e5;
      --color-bg: #ffffff;
      --max: 1200px;
      --sidebar: 240px;
      --header-offset: 160px;
      font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
      color: var(--color-text);
      background: #f7f7f7;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: auto; }
    body { margin: 0; overflow-x: hidden; background: #f7f7f7; color: var(--color-text); font-size: 14px; line-height: 1.7; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; display: block; }
    ul { margin: 0; padding: 0; list-style: none; }
    .wrap { width: min(100% - 24px, var(--max)); margin: 0 auto; }
    .site { background: #fff; min-height: 100vh; display: flex; flex-direction: column; }

    /* 顶栏欢迎语 */
    .topbar {
      background: var(--color-primary);
      color: #fff;
      font-size: 13px;
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 36px; padding: 6px 0;
    }

    /* 品牌头 */
    .brand-bar { background: #fff; border-bottom: 1px solid var(--color-line); }
    .brand-bar-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
      min-height: 88px; padding: 14px 0;
    }
    .brand-left strong {
      display: block; font-size: clamp(22px, 2.4vw, 30px); font-weight: 800; color: #222; line-height: 1.25;
    }
    .brand-left span {
      display: block; margin-top: 4px; color: var(--color-secondary); font-size: 13px;
    }
    .brand-phone {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--color-primary); font-size: clamp(24px, 2.6vw, 34px); font-weight: 800; white-space: nowrap;
    }
    .brand-phone svg { width: 28px; height: 28px; flex-shrink: 0; }

    /* 导航 */
    .nav-bar {
      position: sticky; top: 0; z-index: 40;
      background: #fff;
      border-bottom: 1px solid var(--color-line);
      box-shadow: 0 2px 8px rgba(0,0,0,.04);
    }
    .nav-bar-inner { display: flex; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .nav-bar-inner::-webkit-scrollbar { display: none; }
    .nav-bar a {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 46px; padding: 0 18px; white-space: nowrap; flex-shrink: 0;
      color: #333; font-size: 15px; font-weight: 700;
      border-right: 1px solid #eee;
      transition: background .15s ease, color .15s ease;
    }
    .nav-bar a:first-child { border-left: 1px solid #eee; }
    .nav-bar a:hover,
    .nav-bar a.active {
      background: #f2f2f2;
      color: var(--color-primary);
    }

    /* Banner：现有文案 + 展厅图 */
    .banner {
      position: relative;
      isolation: isolate;
      min-height: 360px;
      display: grid; align-items: center;
      padding: 48px 0;
      overflow: hidden;
      background: url("banner-showroom.png") center / cover no-repeat;
      color: #fff;
      scroll-margin-top: 48px;
    }
    .banner::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      background: linear-gradient(90deg, rgba(0,0,0,.62) 0%, rgba(0,0,0,.28) 55%, rgba(0,0,0,.18) 100%);
    }
    .banner .wrap,
    .banner-inner { position: relative; z-index: 2; }
    .banner-inner { max-width: 680px; }
    .banner-badge {
      display: inline-block;
      padding: 6px 12px;
      background: rgba(255,152,0,.92);
      color: #fff; font-size: 13px; font-weight: 700; line-height: 1.4;
    }
    .banner h1 {
      margin: 16px 0 0;
      font-size: clamp(28px, 3.6vw, 42px);
      line-height: 1.2; font-weight: 900;
    }
    .banner p {
      margin: 14px 0 0;
      font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.92);
    }

    /* 主体：左栏服务 + 右栏内容 */
    .page-main {
      display: grid;
      grid-template-columns: var(--sidebar) minmax(0, 1fr);
      gap: 24px;
      padding: 24px 0 40px;
      align-items: start;
      background: #fff;
    }
    .sidebar {
      position: sticky;
      top: 58px;
      border: 1px solid var(--color-line);
      background: #fff;
    }
    .side-title {
      padding: 14px 16px;
      border-bottom: 1px solid var(--color-line);
      color: #222; font-size: 16px; font-weight: 800;
    }
    .side-list a {
      display: flex; align-items: center; gap: 8px;
      padding: 11px 16px;
      border-bottom: 1px solid #f0f0f0;
      color: #444; font-size: 13px; line-height: 1.45;
      transition: color .15s ease, background .15s ease;
    }
    .side-list a:last-child { border-bottom: 0; }
    .side-list a::before {
      content: "";
      width: 0; height: 0;
      border-top: 4px solid transparent;
      border-bottom: 4px solid transparent;
      border-left: 6px solid var(--color-primary);
      flex-shrink: 0;
    }
    .side-list a:hover {
      color: var(--color-primary);
      background: #fff8ef;
    }

    .content { min-width: 0; display: grid; gap: 28px; }
    .panel { scroll-margin-top: 58px; }
    .panel-head {
      margin: 0 0 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--color-line);
    }
    .panel-head h2 {
      margin: 0;
      display: inline-block;
      padding-bottom: 8px;
      font-size: 22px;
      font-weight: 800;
      color: #222;
      border-bottom: 2px solid var(--color-primary);
      line-height: 1.3;
    }
    .body-text { margin: 0; color: var(--color-text); line-height: 1.9; font-size: 14px; }
    .lead { margin: 0 0 16px; color: var(--color-muted); line-height: 1.8; }

    .about-media-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      width: 100%;
      margin-top: 18px;
    }
    .about-media {
      display: block;
      width: 100%;
      overflow: hidden;
    }
    .about-media img,
    .about-image {
      width: 100%;
      height: auto;
      display: block;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }
    .about-media > .img-protect { aspect-ratio: 4 / 3; overflow: hidden; }
    .about-media > .img-protect > img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: auto; }
    .about-phone {
      display: inline-flex; align-items: center; gap: 8px;
      margin-top: 16px;
      color: var(--color-primary); font-size: 16px; font-weight: 800;
    }
    .about-phone svg { width: 18px; height: 18px; }

    /* 核心优势 */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .adv-card {
      border: 1px solid var(--color-line);
      background: #fff;
    }
    .adv-card img { width: 100%; height: auto; display: block; }
    .adv-card strong {
      display: block; padding: 12px 14px;
      font-size: 14px; line-height: 1.55; color: #222;
    }

    /* 服务方案：参考图布局，三列图+下方标题，原比例 */
    .series + .series { margin-top: 28px; }
    .series h3 {
      margin: 0 0 10px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--color-line);
      font-size: 18px; font-weight: 800; color: #222;
    }
    .series-desc { margin: 0 0 16px; color: var(--color-muted); font-size: 13px; line-height: 1.8; }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px 16px;
    }
    .product-card { background: transparent; scroll-margin-top: 72px; }
    .product-card img { width: 100%; height: auto; display: block; }
    .product-card strong {
      display: block; margin-top: 10px;
      text-align: center; font-size: 14px; font-weight: 700; color: #333;
    }

    /* 案例 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }
    .case-card {
      display: grid;
      grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
      gap: 16px;
      align-items: center;
      border: 1px solid var(--color-line);
      padding: 12px;
      background: #fff;
    }
    .case-card img { width: 100%; height: auto; }
    .case-body em {
      display: inline-block; margin-bottom: 6px;
      color: var(--color-primary); font-style: normal; font-size: 12px; font-weight: 700;
    }
    .case-body strong { display: block; margin-bottom: 8px; font-size: 16px; color: #222; }
    .case-body p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.75; }

    .contact-box {
      display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
      padding: 22px 18px;
      border: 1px solid #ffe0b2;
      background: #fff8ef;
    }
    .contact-box h3 { margin: 0 0 6px; font-size: 18px; color: var(--color-secondary); }
    .contact-box p { margin: 0; color: var(--color-muted); }
    .contact-btn {
      display: inline-flex; align-items: center; gap: 8px;
      min-height: 42px; padding: 0 18px;
      background: var(--color-primary); color: #fff; font-weight: 800;
    }
    .contact-btn:hover { background: #f57c00; }
    .contact-btn svg { width: 18px; height: 18px; }

    .footer { margin-top: auto;
      background: var(--color-secondary); color: #d7ccc8;
      padding: 28px 0 18px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 24px;
      padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.12);
    }
    .footer strong { display: block; color: #fff; margin-bottom: 8px; font-size: 16px; }
    .footer h3 { margin: 0 0 10px; color: #fff; font-size: 14px; }
    .footer p { margin: 0; font-size: 13px; line-height: 1.8; }
    .footer-nav { display: grid; gap: 6px; }
    .footer-nav a.active { color: #fff; }
    .footer-nav a { color: #d7ccc8; font-size: 13px; }
    .footer-nav a:hover { color: #fff; }
    .footer a[href^="tel"] {
      display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 700;
    }
    .footer-loc { display: block; margin-top: 8px; font-size: 13px; color: #bcaaa4; }
    .footer-bottom { padding-top: 14px; text-align: center; font-size: 12px; color: #a1887f; }

    .mobile-call {
      display: none;
      position: fixed; right: 14px; bottom: 70px; z-index: 45;
      min-height: 44px; padding: 0 14px;
      background: var(--color-primary); color: #fff; font-weight: 800;
      box-shadow: 0 8px 20px rgba(255,152,0,.35);
      align-items: center; gap: 8px;
    }
    .call-icon { flex-shrink: 0; width: 18px; height: 18px; display: block; }

    .viewport-disclaimer {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
      padding: 8px 16px; background: rgba(40,40,40,.92); color: #ddd;
      font-size: 12px; line-height: 1.5; text-align: center;
    }
    body.has-viewport-disclaimer { padding-bottom: 52px; }

    @media (max-width: 960px) {
      .page-main { grid-template-columns: 1fr; }
      .sidebar { position: static; }
      .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 720px) {
      .brand-bar-inner { flex-direction: column; align-items: flex-start; }
      .nav-bar a { padding: 0 12px; font-size: 13px; min-height: 42px; }
      .banner { min-height: 280px; padding: 32px 0; }
      .about-media-grid { gap: 10px; }
      .adv-grid, .product-grid { grid-template-columns: 1fr; }
      .case-card { grid-template-columns: 1fr; }
      .mobile-call { display: inline-flex; }
      .brand-phone { font-size: 22px; }
    }
  
    /* 新闻 / 联系占位 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .news-card {
      display: grid; gap: 8px; padding: 16px;
      border: 1px solid var(--color-line); background: #fafafa; color: inherit;
      transition: border-color .15s ease, box-shadow .15s ease;
    }
    .news-card:hover {
      border-color: rgba(255,152,0,.45);
      box-shadow: 0 8px 20px rgba(0,0,0,.06);
    }
    .news-card time { color: var(--color-muted); font-size: 12px; font-weight: 700; }
    .news-card strong { color: #222; font-size: 15px; line-height: 1.45; font-weight: 800; }
    .news-card p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.7; }
    .news-list { display: grid; gap: 12px; }
    .news-list-item {
      display: grid; gap: 6px; padding: 16px; border: 1px solid var(--color-line); background: #fafafa; color: inherit;
    }
    .news-list-item:hover { border-color: rgba(255,152,0,.45); }
    .news-list-item strong { color: #222; font-size: 16px; font-weight: 800; }
    .news-list-item time, .news-list-item p { margin: 0; color: var(--color-muted); font-size: 13px; line-height: 1.7; }
    .news-article { display: grid; gap: 14px; max-width: 860px; }
    .news-article time { color: var(--color-muted); font-size: 13px; font-weight: 700; }
    .news-article h1 { margin: 0; color: #222; font-size: clamp(22px, 3vw, 32px); line-height: 1.35; font-weight: 900; }
    .news-article .body-text { color: var(--color-muted); font-size: 14px; line-height: 1.9; }
    .news-more, .news-back { color: var(--color-primary); font-weight: 800; }
    .news-more-wrap { margin-top: 18px; }
    .contact-card {
      display: grid; gap: 12px; max-width: 520px; padding: 22px 20px;
      border: 1px solid var(--color-line); background: #fafafa;
    }
    .contact-card dl { margin: 0; display: grid; gap: 12px; }
    .contact-card dt { color: var(--color-muted); font-size: 12px; font-weight: 800; }
    .contact-card dd { margin: 4px 0 0; color: #222; font-size: 16px; font-weight: 800; }
    .contact-card a { color: var(--color-primary); }
    .brand-left a { color: inherit; }
    @media (max-width: 900px) {
      .news-grid { grid-template-columns: 1fr; }
    }