/* ============ 主题变量(深色高级感) ============ */
  :root {
    --background: #0e1014;       /* 主背景 — 比之前更深 */
    --surface: #15181f;          /* 次级背景 */
    --surface-2: #1c2028;
    --border: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.15);
    --foreground: #ECECEC;
    --muted-foreground: #9AA0AB;
    --accent: #E8B95A;           /* 品牌金 */
    --accent-bright: #F2C768;
    --hot-red: #E63946;          /* tab/强调红 */
    --hot-red-hover: #FF4D5A;
    --display: "Cormorant Garamond", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  a:focus-visible, button:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 3px;
  }
  body {
    font-family: var(--body);
    background: var(--background);
    color: var(--foreground);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

  .text-display { font-family: var(--display); font-weight: 500; }
  .gold-text { color: var(--accent); font-style: italic; }

  /* ============ 点阵背景 ============ */
  #dotCanvas {
    position: fixed; inset: 0;
    width: 100%; height: 100%;
    z-index: 0; pointer-events: none;
  }
  body::before {
    content: ""; position: fixed; inset: 0;
    background: radial-gradient(ellipse at 15% 0%, rgba(232,185,90,0.04), transparent 50%),
                radial-gradient(ellipse at 85% 100%, rgba(230,57,70,0.03), transparent 50%);
    z-index: 1; pointer-events: none;
  }

  /* ============ 顶部 Banner(公司名 + 手机号 + 二维码) ============ */
  .top-banner {
    position: relative; z-index: 5;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
  }
  .top-banner-inner {
    max-width: 1400px; margin: 0 auto; padding: 0 40px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 30px; flex-wrap: wrap;
  }
  .company-info .cn-name {
    font-family: var(--display);
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 700; letter-spacing: 4px;
    color: var(--foreground);
    line-height: 1.2;
  }
  .company-info .en-name {
    font-family: "Cormorant Garamond", serif;
    font-size: 14px; color: var(--muted-foreground);
    letter-spacing: 1.5px; margin-top: 6px;
  }
  .top-banner-right {
    display: flex; align-items: center; gap: 30px;
  }
  .qrcode-box {
    width: 100px; height: 100px;
    background: #fff;
    border: 4px solid #fff;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  }
  .qrcode-svg { width: 100%; height: 100%; }
  .phone-text {
    font-size: 16px; color: var(--muted-foreground);
    letter-spacing: 1px;
  }
  .phone-text strong {
    color: var(--foreground); font-weight: 600;
    font-family: var(--body);
    margin-left: 6px;
    letter-spacing: 0.5px;
  }

  /* ============ 导航 ============ */
  .nav {
    position: sticky; top: 0;
    z-index: 50;
    background: rgba(14,16,20,0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
  }
  .nav-inner {
    max-width: 1400px; margin: 0 auto; padding: 0 40px;
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
  }
  .nav-logo {
    font-family: var(--display);
    font-size: 17px; font-weight: 600; letter-spacing: 2px;
    display: flex; align-items: center; gap: 12px;
  }
  .nav-logo .mark {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(232,185,90,0.5);
  }
  .nav-links { display: flex; gap: 36px; }
  .nav-links a {
    font-size: 14px; color: var(--foreground);
    transition: color .25s; position: relative;
    padding: 4px 0;
    text-decoration: none;
  }
  .nav-links a[href]:hover,
  .nav-links a.active,
  .nav-links a.active[href] {
    color: var(--accent) !important;
  }
  .nav-links a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
    height: 2px; background: var(--accent);
    transform: scaleX(0); transform-origin: left center;
    transition: transform .25s ease;
  }
  .nav-links a:hover::after,
  .nav-links a.active::after,
  .nav-links a.active[href]::after {
    transform: scaleX(1) !important;
  }
  .nav-cta {
    padding: 8px 18px; border: 1px solid var(--border-strong);
    border-radius: 999px; font-size: 12px;
    color: var(--foreground);
    transition: all .25s; letter-spacing: 1.5px;
  }
  .nav-cta:hover { background: var(--hot-red); color: #fff; border-color: var(--hot-red); }

  /* 汉堡菜单按钮(默认隐藏) */
  .nav-burger {
    display: none;
    width: 36px; height: 36px;
    background: transparent; border: 1px solid var(--border-strong);
    border-radius: 8px;
    cursor: pointer;
    align-items: center; justify-content: center;
    flex-direction: column; gap: 4px;
    color: var(--foreground);
  }
  .nav-burger span {
    display: block; width: 16px; height: 1.5px;
    background: currentColor;
    transition: transform .25s, opacity .25s;
  }
  .nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

  /* 移动端导航 */
  @media (max-width: 768px) {
    .nav-burger { display: flex; }
    .nav-links {
      position: absolute; top: 100%; right: 0; left: auto;
      width: 220px;
      background: rgba(20,20,22,0.98);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--border-strong);
      border-radius: 4px;
      flex-direction: column;
      justify-content: flex-start;
      gap: 0;
      padding: 8px 0;
      margin-top: 8px;
      opacity: 0; visibility: hidden; pointer-events: none;
      transform: translateY(-6px);
      transition: opacity .25s, transform .25s, visibility .25s;
      z-index: 100;
      box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    }
    .nav-links.open {
      opacity: 1; visibility: visible; pointer-events: auto;
      transform: translateY(0);
    }
    .nav-links a {
      font-size: 14px; padding: 14px 20px;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      text-align: left;
    }
    .nav-links a:last-child { border-bottom: none; }
    .nav-mask {
      position: fixed; inset: 0;
      background: transparent;
      opacity: 0; pointer-events: none;
      transition: opacity .2s;
      z-index: 99;
    }
    .nav-mask.open { opacity: 1; pointer-events: auto; }
  }

  @media (max-width: 768px) {
    .top-banner-inner { padding: 0 20px; }
    .qrcode-box { width: 70px; height: 70px; }
    .phone-text { font-size: 13px; }
    .nav-inner { padding: 0 20px; }
  }

  /* ============ 容器 ============ */
  section { position: relative; z-index: 2; }
  .container { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
  @media (max-width: 768px) { .container { padding: 0 20px; } }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 12px;
    font-size: 11px; letter-spacing: 3px; color: var(--accent);
    text-transform: uppercase; margin-bottom: 24px;
    font-weight: 500;
  }
  .eyebrow::before {
    content: ""; width: 40px; height: 1px; background: var(--accent);
  }

  /* ============ HERO ============ */
  .hero {
    min-height: 90vh;
    display: flex; flex-direction: column; justify-content: center;
    padding: 140px 0 80px;
    position: relative; overflow: hidden;
  }
  .hero-bg-glow {
    position: absolute; top: 10%; right: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,185,90,0.08), transparent 60%);
    filter: blur(80px); z-index: -1;
  }
  .hero-eyebrow-label {
    font-size: 12px; color: var(--muted-foreground);
    letter-spacing: 4px; margin-bottom: 24px;
    display: flex; align-items: center; gap: 12px;
  }
  .hero-eyebrow-label::before {
    content: ""; width: 40px; height: 1px; background: var(--accent);
  }
  .hero h1 {
    font-family: var(--display);
    font-size: clamp(48px, 7.5vw, 7.5rem);
    font-weight: 700; line-height: 1.05;
    letter-spacing: -0.02em;
    max-width: 16ch;
  }
  .hero h1 .gold-text {
    background: linear-gradient(135deg, #E8B95A 0%, #F2C768 100%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: normal;
  }
  .hero p {
    font-size: 16px; color: var(--muted-foreground);
    max-width: 540px; margin-top: 32px; line-height: 1.7;
  }
  .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 40px; }
  .btn {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 16px 28px; font-size: 12px;
    font-weight: 500; letter-spacing: 2px; cursor: pointer;
    transition: all .3s; text-transform: uppercase;
    font-family: var(--body);
  }
  .btn-primary {
    background: var(--accent); color: var(--background);
    box-shadow: 0 0 40px rgba(232,185,90,0.35);
  }
  .btn-primary:hover { transform: scale(1.02); box-shadow: 0 0 60px rgba(232,185,90,0.5); }
  .btn-ghost { border: 1px solid var(--border-strong); color: var(--foreground); }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .btn-icon {
    width: 32px; height: 32px;
    border: 1px solid var(--accent); color: var(--accent);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
  }

  /* ============ 统计 ============ */
  .stats {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 40px; margin-top: 120px; padding-top: 40px;
    border-top: 1px solid var(--border);
  }
  @media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 30px; } }
  .stat-num {
    font-family: var(--display);
    font-size: clamp(36px, 4vw, 48px);
    font-weight: 600; line-height: 1;
    color: var(--accent);
  }
  .stat-label {
    color: var(--muted-foreground); font-size: 12px;
    margin-top: 8px; letter-spacing: 2px;
    text-transform: uppercase;
  }

  /* ============ 客户跑马灯 ============ */
  .marquee {
    margin-top: 80px; overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    background: var(--surface);
  }
  .marquee-track {
    display: flex; gap: 0; white-space: nowrap;
    animation: marquee 35s linear infinite;
    font-family: var(--display);
    font-size: 28px; font-weight: 500;
    color: var(--muted-foreground); letter-spacing: 3px;
  }
  .marquee-track .item { padding: 0 30px; flex-shrink: 0; opacity: 0.6; }
  .marquee-track .sep { color: var(--accent); opacity: 0.6; padding: 0 10px; }
  @keyframes marquee { to { transform: translateX(-50%); } }

  /* ============ 关于我们 / 行业动态 Tab 区 ============ */
  #about-tabs { padding: 100px 0 80px; }
  .tab-header {
    display: flex; align-items: center; gap: 40px;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border);
  }
  .tab-btn {
    font-family: var(--display);
    font-size: 22px; font-weight: 500;
    color: var(--muted-foreground);
    padding: 0 4px 18px;
    position: relative;
    transition: color .25s;
  }
  .tab-btn::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
    height: 2px; background: var(--accent);
    transform: scaleX(0); transition: transform .3s;
  }
  .tab-btn:hover { color: var(--foreground); }
  .tab-btn.active { color: var(--accent); }
  .tab-btn.active::after { transform: scaleX(1); }

  .tab-panel { display: none; }
  .tab-panel.active { display: block; animation: fadeIn .5s; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: start;
  }
  @media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
  .about-img {
    aspect-ratio: 4/3; overflow: hidden;
    background: var(--surface);
    position: relative;
  }
  .about-img img {
    width: 100%; height: 100%; object-fit: cover;
  }
  .about-img::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.3), transparent 50%);
  }
  .about-text h3 {
    font-family: var(--display);
    font-size: 24px; font-weight: 600; margin-bottom: 6px;
  }
  .about-text .sub-en {
    color: var(--muted-foreground); font-size: 14px;
    margin-bottom: 28px; letter-spacing: 0.5px;
  }
  .about-text p {
    color: var(--muted-foreground); font-size: 15px;
    line-height: 1.9; margin-bottom: 18px;
  }
  .about-text .highlight { color: var(--foreground); font-weight: 500; }
  .more-link {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--accent); font-size: 14px; font-weight: 500;
    margin-top: 16px;
    transition: color .25s;
  }
  .more-link:hover { color: var(--accent-bright); }

  /* 行业动态 tab 内容 */
  .news-item {
    padding: 24px 0; border-bottom: 1px dashed var(--border);
  }
  .news-item h4 {
    font-family: var(--display);
    font-size: 18px; font-weight: 500;
    color: var(--accent); margin-bottom: 12px;
  }
  .news-item h4::before {
    content: "› "; color: var(--accent);
  }
  .news-item p {
    color: var(--muted-foreground); font-size: 14px;
    line-height: 1.8;
  }
  .news-item p .more-inline {
    color: var(--accent); margin-left: 4px;
  }

  /* ============ Services(原站风格:1px 分割网格) ============ */
  #services { padding: 120px 0; background: var(--surface); }
  .services-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    gap: 40px; margin-bottom: 64px; flex-wrap: wrap;
  }
  .services-header h2 {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 600; line-height: 1.15; max-width: 800px;
    letter-spacing: -0.01em;
  }
  .services-header p {
    color: var(--muted-foreground); max-width: 360px;
    font-size: 15px; line-height: 1.7;
  }
  .services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    background: var(--border); gap: 1px;
  }
  @media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }
  .service-card {
    position: relative;
    background: var(--surface);
    padding: 32px;
    transition: all .35s;
    overflow: hidden;
  }
  .service-card:hover { background: var(--surface-2); }
  .service-img-wrap {
    position: relative; aspect-ratio: 4/3; overflow: hidden;
    margin-bottom: 32px; background: var(--background);
  }
  .service-img-wrap img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 1.2s ease;
  }
  .service-card:hover .service-img-wrap img { transform: scale(1.05); }
  .service-img-wrap::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, var(--surface) 0%, transparent 40%);
  }
  .service-tag-overlay {
    position: absolute; top: 16px; left: 16px; z-index: 2;
    font-size: 10px; letter-spacing: 3px; color: var(--accent);
    font-weight: 500;
  }
  .service-body { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
  .service-num { font-size: 11px; color: var(--accent); letter-spacing: 2px; margin-bottom: 8px; }
  .service-title {
    font-family: var(--display);
    font-size: 28px; font-weight: 600; margin-bottom: 12px;
  }
  .service-desc { color: var(--muted-foreground); font-size: 14px; line-height: 1.7; }
  .service-arrow {
    width: 20px; height: 20px; color: var(--muted-foreground);
    flex-shrink: 0; transition: all .3s;
  }
  /* 视频服务卡:图片遮罩 + 播放按钮 */
  .service-card.is-video .service-img-wrap { position: relative; cursor: pointer; }
  .service-card.is-video .service-img-wrap::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.55));
    opacity: 0; transition: opacity .35s;
    pointer-events: none;
  }
  .service-card.is-video:hover .service-img-wrap::after { opacity: 1; }
  .service-play-badge {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    width: 64px; height: 64px;
    border-radius: 50%;
    background: rgba(232,185,90,0.92);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity .35s, transform .35s cubic-bezier(0.2,0.8,0.2,1);
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.5), 0 0 0 8px rgba(232,185,90,0.18);
  }
  .service-card.is-video:hover .service-play-badge {
    opacity: 1; transform: translate(-50%, -50%) scale(1);
  }
  .service-play-badge svg { width: 22px; height: 22px; fill: #0e1014; margin-left: 3px; }
  .service-play-badge::after {
    content: ""; position: absolute; inset: -10px;
    border: 1px solid rgba(232,185,90,0.5);
    border-radius: 50%;
    animation: pulse 2.4s ease-out infinite;
  }
  @keyframes pulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.5); opacity: 0; }
  }
  .service-card:hover .service-arrow { color: var(--accent); transform: translate(2px, -2px); }

  /* ============ Showreel ============ */
  #showreel {
    position: relative; overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    min-height: 600px;
    display: flex; align-items: center; justify-content: center;
  }
  .showreel-bg {
    position: absolute; inset: 0;
    background-image: url('assets/hero-DuPP6Q63.jpg');
    background-size: cover; background-position: center;
    opacity: 0.4;
  }
  .showreel-overlay { position: absolute; inset: 0; background: rgba(14,16,20,0.75); }
  .showreel-content { position: relative; z-index: 2; text-align: center; padding: 120px 40px; }
  .showreel-content h2 {
    font-family: var(--display);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 600; line-height: 1.15; max-width: 900px; margin: 0 auto;
  }
  .play-circle {
    width: 96px; height: 96px; border-radius: 50%;
    border: 1px solid var(--accent); color: var(--accent);
    display: inline-flex; align-items: center; justify-content: center;
    margin: 60px auto 30px; box-shadow: 0 0 40px rgba(232,185,90,0.35);
    transition: transform .3s;
  }
  .play-circle:hover { transform: scale(1.1); }
  .play-circle svg { width: 28px; height: 28px; fill: currentColor; margin-left: 4px; }
  .play-label { font-size: 12px; letter-spacing: 3px; color: var(--accent); }

  /* ============ Cases ============ */
  #cases {
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 140px 0;
  }
  .cases-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 64px; flex-wrap: wrap; gap: 20px;
  }
  .cases-header h2 {
    font-family: var(--display);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 600; line-height: 1.15;
  }
  .cases-view-all {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--muted-foreground);
    transition: color .25s;
  }
  .cases-view-all:hover { color: var(--accent); }
  .cases-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
  }
  @media (max-width: 700px) { .cases-grid { grid-template-columns: 1fr; } }
  .case-card { display: block; }
  .case-img-wrap {
    position: relative; overflow: hidden;
    background: var(--background);
  }
  .case-card:nth-child(1) .case-img-wrap,
  .case-card:nth-child(3) .case-img-wrap { aspect-ratio: 4/3; }
  .case-card:nth-child(2) .case-img-wrap,
  .case-card:nth-child(4) .case-img-wrap { aspect-ratio: 4/5; }
  .case-img-wrap img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 1.2s ease;
  }
  .case-card:hover .case-img-wrap img { transform: scale(1.05); }
  .case-img-wrap::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, var(--surface) 0%, transparent 50%);
  }
  .case-info {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 32px; z-index: 2;
  }
  .case-tag { font-size: 11px; color: var(--accent); letter-spacing: 3px; margin-bottom: 8px; font-weight: 500; }
  .case-title {
    font-family: var(--display);
    font-size: clamp(22px, 2.5vw, 30px);
    font-weight: 600;
  }

  /* ============ Contact ============ */
  #contact { padding: 140px 0; }
  .contact-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  }
  @media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 60px; } }
  .contact-left h2 {
    font-family: var(--display);
    font-size: clamp(44px, 6vw, 72px);
    font-weight: 700; line-height: 1.1;
    letter-spacing: -0.02em;
  }
  .contact-left p {
    color: var(--muted-foreground);
    max-width: 420px; margin-top: 32px; line-height: 1.7;
  }
  .contact-right {
    display: flex; flex-direction: column;
    padding: 0;
  }
  .contact-item {
    display: flex; align-items: flex-start; gap: 24px;
    padding: 28px 0; border-bottom: 1px solid var(--border);
    color: var(--foreground); text-decoration: none;
    transition: padding-left .3s;
  }
  a.contact-item:hover { padding-left: 6px; }
  a.contact-item:hover .contact-icon {
    border-color: var(--accent); color: var(--accent);
    background: rgba(232,185,90,0.06);
  }
  a.contact-item:hover .value { color: var(--accent); }
  .contact-icon {
    width: 48px; height: 48px;
    border: 1px solid var(--border-strong);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: var(--muted-foreground);
    transition: all .3s;
  }
  .contact-icon svg { width: 18px; height: 18px; }
  .contact-text { flex: 1; min-width: 0; }
  .contact-item .label {
    font-size: 10px; color: var(--accent);
    letter-spacing: 3px; margin-bottom: 8px;
    text-transform: uppercase;
  }
  .contact-item .value {
    font-family: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-size: 18px; font-weight: 500;
    line-height: 1.5; color: var(--foreground);
    word-break: break-all;
    transition: color .3s;
    letter-spacing: 0.3px;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
  }
  .contact-cta {
    display: inline-flex; align-items: center; gap: 8px;
    align-self: flex-start;
    margin-top: 36px; padding: 16px 32px;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    font-size: 13px; letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all .3s;
  }
  .contact-cta:hover {
    background: var(--accent); color: #0e1014;
  }
  .contact-cta svg { transition: transform .3s; }
  .contact-cta:hover svg { transform: translate(2px, -2px); }

  /* ============ Footer ============ */
  footer {
    position: relative; z-index: 2;
    border-top: 1px solid var(--border);
    background: var(--surface);
    padding: 50px 40px;
  }
  .footer-inner {
    max-width: 1400px; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center; gap: 16px;
  }
  .foot-brand {
    display: flex; align-items: baseline; gap: 14px;
  }
  .foot-brand .cn {
    font-family: var(--display);
    font-size: 22px; font-weight: 700;
    color: var(--foreground);
    letter-spacing: 3px;
  }
  .foot-brand .en {
    font-size: 11px; color: var(--muted-foreground); letter-spacing: 2px;
  }
  .foot-copy {
    font-family: var(--body);
    font-size: 12px; color: var(--muted-foreground);
    letter-spacing: 1px; text-align: center; line-height: 1.8;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
  }
  .foot-copy a { color: var(--muted-foreground); }
  .foot-copy a:hover { color: var(--accent); }

  /* ============ 视频播放弹层 ============ */
  .video-modal {
    position: fixed; inset: 0; z-index: 1100;
    display: none; align-items: center; justify-content: center;
    padding: 20px;
  }
  .video-modal.open { display: flex; }
  .video-modal-mask {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: maskIn .3s;
  }
  .video-modal-inner {
    position: relative; z-index: 2;
    width: 100%; max-width: 1100px;
    animation: videoIn .4s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  @keyframes videoIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
  }
  .video-modal-inner video {
    width: 100%; max-height: 85vh;
    display: block;
    background: #000;
    border: 1px solid var(--border-strong);
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  }
  .video-modal-close {
    position: absolute; top: -50px; right: 0;
    color: #fff; font-size: 32px; line-height: 1;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    transition: transform .25s, color .2s;
  }
  .video-modal-close:hover { transform: scale(1.1); color: var(--accent); }
  @media (max-width: 640px) {
    .video-modal { padding: 10px; }
    .video-modal-inner video { max-height: 75vh; }
    .video-modal-close { top: -40px; right: 0; font-size: 28px; }
  }

  /* ============ 图片放大 Lightbox ============ */
  .lightbox {
    position: fixed; inset: 0; z-index: 1200;
    display: none; align-items: center; justify-content: center;
    padding: 20px;
  }
  .lightbox.open { display: flex; }
  .lightbox-mask {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: maskIn .3s;
  }
  .lightbox-inner {
    position: relative; z-index: 2;
    max-width: 95vw; max-height: 90vh;
    animation: lightboxIn .35s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  @keyframes lightboxIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
  }
  .lightbox-inner img {
    display: block; max-width: 100%; max-height: 90vh;
    margin: 0 auto;
    background: #000;
    border: 1px solid var(--border-strong);
    box-shadow: 0 30px 80px rgba(0,0,0,0.7);
    object-fit: contain;
  }
  .lightbox-caption {
    color: #f5f2eb; text-align: center;
    font-size: 14px; margin-top: 14px; letter-spacing: 1px;
    opacity: 0.85;
  }
  .lightbox-close {
    position: absolute; top: -50px; right: 0;
    color: #fff; font-size: 32px; line-height: 1;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    transition: transform .25s, color .2s;
    background: transparent; border: none; cursor: pointer;
  }
  .lightbox-close:hover { transform: scale(1.1); color: var(--accent); }
  @media (max-width: 640px) {
    .lightbox { padding: 10px; }
    .lightbox-close { top: -40px; right: 0; font-size: 28px; }
  }

  /* ============ 联系弹窗 ============ */
  .contact-modal {
    position: fixed; inset: 0; z-index: 1000;
    display: none; align-items: center; justify-content: center;
    padding: 20px;
  }
  .contact-modal.open { display: flex; }
  .contact-modal-mask {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: maskIn .3s;
  }
  @keyframes maskIn { from { opacity: 0; } to { opacity: 1; } }
  .contact-modal-box {
    position: relative; z-index: 2;
    width: 100%; max-width: 520px;
    background: linear-gradient(135deg, var(--surface), var(--surface-2));
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    padding: 50px 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(232,185,90,0.1);
    animation: modalIn .35s cubic-bezier(0.2, 0.8, 0.2, 1);
  }
  @keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }
  .contact-modal-close {
    position: absolute; top: 16px; right: 20px;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    color: var(--muted-foreground);
    font-size: 24px; line-height: 1;
    transition: color .2s;
  }
  .contact-modal-close:hover { color: var(--accent); }
  .contact-modal-title {
    font-family: var(--display);
    font-size: 28px; font-weight: 600;
    text-align: center; margin-bottom: 8px;
    letter-spacing: 1px;
  }
  .contact-modal-title .gold-text { font-style: normal; }
  .contact-modal-sub {
    text-align: center; color: var(--muted-foreground);
    font-size: 12px; letter-spacing: 3px; text-transform: uppercase;
    margin-bottom: 32px;
  }
  .contact-modal-qr {
    width: 160px; height: 160px;
    margin: 0 auto 28px;
    background: #fff;
    padding: 8px;
    display: block;
  }
  .contact-modal-qr img {
    width: 100%; height: 100%; display: block;
  }
  .contact-modal-list {
    display: flex; flex-direction: column; gap: 18px;
  }
  .cm-row {
    display: flex; align-items: flex-start; gap: 16px;
    padding: 14px 0;
    border-top: 1px solid var(--border);
  }
  .cm-row:last-child { border-bottom: 1px solid var(--border); }
  .cm-icon {
    width: 38px; height: 38px;
    border: 1px solid var(--border-strong);
    color: var(--accent);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .cm-icon svg { width: 16px; height: 16px; }
  .cm-content { flex: 1; min-width: 0; }
  .cm-label {
    font-size: 10px; color: var(--accent);
    letter-spacing: 3px; margin-bottom: 6px;
  }
  .cm-value {
    font-family: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
    font-size: 17px; font-weight: 500;
    color: var(--foreground);
    line-height: 1.5;
    word-break: break-all;
    letter-spacing: 0.3px;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
  }
  .cm-value a { color: inherit; }
  .cm-value a:hover { color: var(--accent); }

  /* ============ 滚动入场 ============ */
  /* reveal 起始默认可见,仅在 JS 已加载时为 scroll animation 重设为隐藏 */
  .js-reveal-ready .reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s, transform .9s; }
  .js-reveal-ready .reveal.in { opacity: 1; transform: translateY(0); }
  .reveal { opacity: 1; transform: none; }

  /* ============ 全局响应式补丁 ============ */
  html { -webkit-text-size-adjust: 100%; }

  /* 平板(≤900px) */
  @media (max-width: 900px) {
    .top-banner-inner { flex-direction: column; align-items: flex-start; gap: 18px; }
    .company-info .cn-name { font-size: 22px; letter-spacing: 3px; }
    .company-info .en-name { font-size: 12px; }
    .top-banner-right { width: 100%; justify-content: flex-start; }
    .qrcode-box { width: 80px; height: 80px; }
    .phone-text { font-size: 14px; }
    .nav-inner { height: 56px; }
    .nav-logo { font-size: 15px; letter-spacing: 1px; }
    .nav-cta { padding: 7px 14px; font-size: 11px; }
    .hero { padding: 120px 0 60px; min-height: 80vh; }
    .hero h1 { font-size: clamp(36px, 9vw, 64px); }
    .hero p { font-size: 15px; margin-top: 24px; }
    .hero-cta { margin-top: 32px; }
    .btn { padding: 14px 22px; font-size: 11px; }
    .stats { margin-top: 80px; gap: 28px; padding-top: 32px; }
    .stat-num { font-size: 32px; }
    .marquee-track { font-size: 22px; }
    .marquee-track .item { padding: 0 22px; }
    #about-tabs, #services, #cases, #contact { padding: 80px 0; }
    .services-header h2,
    .cases-header h2,
    .about-left h2,
    .contact-left h2 { font-size: clamp(28px, 7vw, 40px); }
    .eyebrow { font-size: 10px; letter-spacing: 2px; margin-bottom: 18px; }
    .service-card { padding: 22px; }
    .service-title { font-size: 22px; }
    .showreel { min-height: 420px; }
    .showreel-content { padding: 80px 24px; }
    .showreel-content h2 { font-size: clamp(28px, 7vw, 44px); }
    .play-circle { width: 76px; height: 76px; margin: 40px auto 24px; }
    .play-circle svg { width: 22px; height: 22px; }
    .case-info { padding: 22px; }
    .case-title { font-size: 20px; }
    .contact-item { padding: 22px 0; gap: 18px; }
    .contact-item .value { font-size: 18px; }
    .contact-item .value[style*="font-size:18px"] { font-size: 15px !important; }
    .contact-icon { width: 40px; height: 40px; }
    .tab-btn { font-size: 18px; padding-bottom: 14px; }
    .tab-header { gap: 28px; margin-bottom: 36px; }
    .about-text h3 { font-size: 20px; }
    .news-item h4 { font-size: 16px; }
    .news-item p { font-size: 13px; }
  }

  /* 手机(≤640px) */
  @media (max-width: 640px) {
    .top-banner { padding: 18px 0; }
    .top-banner-inner { padding: 0 16px; }
    .company-info .cn-name { font-size: 19px; letter-spacing: 2px; }
    .company-info .en-name { font-size: 10px; letter-spacing: 1px; }
    .top-banner-right { gap: 16px; }
    .qrcode-box { width: 64px; height: 64px; padding: 2px; }
    .phone-text { font-size: 12px; }
    .phone-text strong { font-size: 13px; }
    .nav-inner { padding: 0 16px; }
    .nav-logo { font-size: 14px; }
    .nav-logo .mark { width: 6px; height: 6px; }
    .container { padding: 0 16px; }
    .hero { padding: 100px 0 50px; min-height: 70vh; }
    .hero-eyebrow-label { font-size: 10px; letter-spacing: 2px; }
    .hero h1 { font-size: 38px; line-height: 1.1; }
    .hero p { font-size: 14px; line-height: 1.7; }
    .hero-cta { flex-direction: column; align-items: stretch; gap: 12px; }
    .hero-cta .btn { justify-content: center; width: 100%; }
    .btn-icon { width: 26px; height: 26px; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 60px; }
    .stat-num { font-size: 28px; }
    .stat-label { font-size: 11px; letter-spacing: 1px; }
    .marquee { margin-top: 50px; }
    .marquee-track { font-size: 18px; }
    .marquee-track .item { padding: 0 18px; }
    .services-header { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card { padding: 20px; }
    .service-img-wrap { margin-bottom: 20px; }
    .service-num { font-size: 10px; }
    .service-title { font-size: 20px; margin-bottom: 8px; }
    .service-desc { font-size: 13px; }
    .service-tag-overlay { font-size: 9px; top: 12px; left: 12px; }
    .showreel { min-height: 340px; }
    .showreel-content { padding: 60px 20px; }
    .showreel-content h2 { font-size: 28px; }
    .play-circle { width: 64px; height: 64px; margin: 30px auto 18px; }
    .play-circle svg { width: 18px; height: 18px; }
    .play-label { font-size: 10px; letter-spacing: 2px; }
    .about-grid { gap: 30px; }
    .about-text .sub-en { font-size: 12px; }
    .about-text p { font-size: 14px; }
    .about-meta { grid-template-columns: 1fr 1fr; gap: 20px; padding-top: 24px; }
    .meta-value { font-size: 18px; }
    .cases-grid { gap: 20px; }
    .case-card:nth-child(n) .case-img-wrap { aspect-ratio: 4/3 !important; }
    .case-info { padding: 18px; }
    .case-tag { font-size: 10px; }
    .case-title { font-size: 18px; }
    .contact-grid { gap: 40px; }
    .contact-item { flex-direction: row; gap: 14px; padding: 18px 0; }
    .contact-icon { width: 36px; height: 36px; }
    .contact-icon svg { width: 14px; height: 14px; }
    .contact-item .label { font-size: 9px; letter-spacing: 2px; margin-bottom: 4px; }
    .contact-item .value { font-size: 16px; }
    .contact-cta { margin-top: 24px; width: 100%; justify-content: center; }
    .tab-header { gap: 20px; margin-bottom: 30px; }
    .tab-btn { font-size: 16px; padding-bottom: 12px; }
    .news-item { padding: 20px 0; }
    .news-item h4 { font-size: 15px; margin-bottom: 10px; }
    .news-item p { font-size: 13px; line-height: 1.7; }
    .news-item p .more-inline { display: inline-block; margin-top: 6px; }
    .more-link { font-size: 13px; }
    footer { padding: 36px 20px; }
    .foot-brand { flex-direction: column; align-items: center; gap: 6px; }
    .foot-brand .cn { font-size: 18px; letter-spacing: 2px; }
    .foot-brand .en { font-size: 9px; letter-spacing: 1px; }
    .foot-copy { font-size: 11px; }
    /* 弹窗 */
    .contact-modal { padding: 14px; }
    .contact-modal-box { padding: 36px 22px; }
    .contact-modal-title { font-size: 22px; }
    .contact-modal-sub { font-size: 10px; letter-spacing: 2px; margin-bottom: 24px; }
    .contact-modal-qr { width: 130px; height: 130px; margin-bottom: 20px; }
    .cm-row { padding: 12px 0; gap: 12px; }
    .cm-icon { width: 32px; height: 32px; }
    .cm-icon svg { width: 14px; height: 14px; }
    .cm-label { font-size: 9px; letter-spacing: 2px; margin-bottom: 4px; }
    .cm-value { font-size: 14px; }
    .cm-value[style*="font-size:15px"] { font-size: 12px !important; }
  }

  /* 极限窄屏(≤380px) */
  @media (max-width: 380px) {
    .company-info .cn-name { font-size: 17px; }
    .hero h1 { font-size: 32px; }
    .stat-num { font-size: 24px; }
  }