/* ===== 页面隔离容器（粘贴到网站时不影响其他模块） ===== */
  .g3c-page{
    --bg:#0a0a0b;
    --bg2:#111114;
    --bg3:#18181d;
    --line:#26262e;
    --txt:#f4f4f5;
    --txt2:#9ca3af;
    --txt3:#6b7280;
    --green:#4ade80;
    --green-dim:#22c55e;
    --green-glow:rgba(74,222,128,.15);
    background:var(--bg);
    color:var(--txt);
    font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",Arial,sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    margin:0;
  }
  .g3c-page *{margin:0;padding:0;box-sizing:border-box}
  .g3c-page img{max-width:100%;display:block}
  .g3c-page .wrap{max-width:1200px;margin:0 auto;padding:0 24px}

  /* ===== HERO（隔离样式，g3c-前缀） ===== */
  .g3c-hero{
    --g3c-bg:#0a0a0b;
    --g3c-txt:#f4f4f5;
    --g3c-txt2:#9ca3af;
    --g3c-green:#4ade80;
    --g3c-green-glow:rgba(74,222,128,.15);
    position:relative;
    height:100vh;
    min-height:600px;
    display:flex;
    align-items:center;
    overflow:hidden;
    background:radial-gradient(ellipse 80% 60% at 50% 40%,rgba(74,222,128,.08) 0%,transparent 70%),var(--g3c-bg);
    color:var(--g3c-txt);
    font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",Arial,sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    margin:0;
  }
  .g3c-hero *{box-sizing:border-box;margin:0;padding:0}
  .g3c-hero-video{
    position:absolute;inset:0;
    width:100%;height:100%;
    object-fit:cover;
    z-index:1;border:0;
  }
  .g3c-hero::after{
    content:"";position:absolute;inset:0;z-index:1;
    background:linear-gradient(180deg,rgba(10,10,11,.55) 0%,rgba(10,10,11,.35) 50%,rgba(10,10,11,.75) 100%);
    pointer-events:none;
  }
  .g3c-hero::before{
    content:"";position:absolute;inset:0;z-index:2;
    background-image:
      linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
    background-size:60px 60px;
    mask-image:radial-gradient(ellipse 60% 50% at 50% 45%,black 0%,transparent 100%);
    -webkit-mask-image:radial-gradient(ellipse 60% 50% at 50% 45%,black 0%,transparent 100%);
    pointer-events:none;
  }
  .g3c-hero-inner{position:relative;z-index:3;width:100%;padding:120px 8% 80px}
  .g3c-hero-copy{max-width:620px}
  .g3c-hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border:1px solid rgba(74,222,128,.3);
    border-radius:100px;font-size:13px;color:var(--g3c-green);
    background:var(--g3c-green-glow);margin-bottom:24px;letter-spacing:.02em;
  }
  .g3c-hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--g3c-green);box-shadow:0 0 8px var(--g3c-green)}
  .g3c-hero h1{font-size:clamp(36px,6vw,64px);line-height:1.08;font-weight:700;letter-spacing:-.02em;margin-bottom:20px}
  .g3c-hero h1 .g{color:var(--g3c-green)}
  .g3c-hero p.sub{font-size:17px;color:var(--g3c-txt2);max-width:520px;margin-bottom:36px}
  .g3c-hero-specs{display:flex;gap:32px;flex-wrap:wrap}
  .g3c-hero-spec{padding-left:16px;border-left:2px solid var(--g3c-green)}
  .g3c-hero-spec .num{font-size:22px;font-weight:700;color:#fff}
  .g3c-hero-spec .lbl{font-size:13px;color:var(--g3c-txt2)}
  .g3c-scrubber{
    position:absolute;right:280px;top:72%;transform:translateY(-50%);
    z-index:5;width:360px;user-select:none;touch-action:none;
  }
  .g3c-scrubber-track{position:relative;height:4px;background:rgba(255,255,255,.18);border-radius:2px;cursor:pointer}
  .g3c-scrubber-fill{position:absolute;left:0;top:0;height:100%;background:var(--g3c-green);border-radius:2px;width:50%}
  .g3c-scrubber-thumb{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    width:36px;height:36px;background:#fff;border:2px solid var(--g3c-green);
    border-radius:50%;cursor:grab;box-shadow:0 0 14px rgba(74,222,128,.6);
    display:flex;align-items:center;justify-content:center;color:var(--g3c-green);
    transition:transform .15s;
  }
  .g3c-scrubber-thumb:active{cursor:grabbing;transform:translate(-50%,-50%) scale(1.15)}
  .g3c-scrubber-hint{text-align:center;color:var(--g3c-txt2);font-size:11px;letter-spacing:.15em;margin-top:14px;text-transform:uppercase}
  @media (max-width:768px){
    .g3c-hero-inner{padding:48px 24px}
    .g3c-hero{height:100vh;height:100svh;min-height:560px}
    .g3c-scrubber{display:none}
  }
  @media (max-width:560px){
    .g3c-hero-specs{gap:16px}
    .g3c-hero h1{font-size:32px}
    .g3c-hero p.sub{font-size:15px}
    .g3c-hero-spec .num{font-size:20px}
  }

  /* ===== SECTION通用 ===== */
  section{padding:100px 0;position:relative}
  .sec-head{text-align:center;margin-bottom:64px}
  .sec-head .kicker{
    font-size:13px;letter-spacing:.2em;color:var(--green);
    text-transform:uppercase;margin-bottom:12px;font-weight:600;
  }
  .sec-head h2{
    font-size:clamp(28px,3.5vw,44px);
    font-weight:700;line-height:1.15;
    letter-spacing:-.01em;
  }
  .sec-head p{
    color:var(--txt2);max-width:560px;margin:16px auto 0;
    font-size:16px;
  }

  /* ===== 核心卖点四卡 ===== */
  .features{
    background:var(--bg2);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .feat-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:1px;
    background:var(--line);
    border:1px solid var(--line);
    border-radius:16px;
    overflow:hidden;
  }
  .feat{
    background:var(--bg2);
    padding:40px 28px;
    transition:background .3s;
  }
  .feat:hover{background:var(--bg3)}
  .feat .icon{
    width:48px;height:48px;
    border-radius:12px;
    background:var(--green-glow);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:20px;
    color:var(--green);
  }
  .feat h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.3}
  .feat p{font-size:14px;color:var(--txt2);line-height:1.6}

  /* ===== 光波导详解 ===== */
  .waveguide{
    background:linear-gradient(180deg,var(--bg) 0%,#0d1a12 50%,var(--bg) 100%);
  }
  .wg-inner{
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:60px;align-items:center;
  }
  .wg-img{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    background:var(--bg2);
    border:1px solid var(--line);
  }
  .wg-img img{width:100%;height:auto}
  .wg-text h3{
    font-size:clamp(24px,3vw,36px);
    font-weight:700;line-height:1.2;margin-bottom:20px;
  }
  .wg-text p{
    color:var(--txt2);font-size:16px;margin-bottom:24px;line-height:1.8;
  }
  .wg-list{list-style:none}
  .wg-list li{
    display:flex;gap:14px;padding:14px 0;
    border-bottom:1px solid var(--line);
  }
  .wg-list li:last-child{border-bottom:none}
  .wg-list .ic{
    flex-shrink:0;width:28px;height:28px;
    color:var(--green);
  }
  .wg-list .tt{font-size:15px;font-weight:600}
  .wg-list .dd{font-size:14px;color:var(--txt2)}

  /* ===== 开放式音频 ===== */
  .audio-sec{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .audio-inner{
    display:grid;grid-template-columns:1fr 1.1fr;
    gap:60px;align-items:center;
  }
  .audio-text h3{
    font-size:clamp(24px,3vw,36px);font-weight:700;
    line-height:1.2;margin-bottom:20px;
  }
  .audio-text p{color:var(--txt2);font-size:16px;margin-bottom:28px;line-height:1.8}
  .audio-badges{display:flex;flex-direction:column;gap:16px}
  .ab{
    display:flex;gap:14px;align-items:flex-start;
    padding:16px 20px;
    background:var(--bg3);
    border-radius:12px;
    border:1px solid var(--line);
  }
  .ab .ic{color:var(--green);flex-shrink:0;margin-top:2px}
  .ab .tt{font-size:15px;font-weight:600;margin-bottom:2px}
  .ab .dd{font-size:13px;color:var(--txt2)}
  .audio-img{
    border-radius:20px;overflow:hidden;
    background:var(--bg);border:1px solid var(--line);
  }
  .audio-img img{width:100%}

  /* ===== AI交互 ===== */
  .ai-sec .ai-grid{
    display:grid;grid-template-columns:repeat(3,1fr);
    gap:24px;margin-top:48px;
  }
  .ai-card{
    background:var(--bg2);
    border:1px solid var(--line);
    border-radius:16px;
    padding:36px 28px;
    transition:transform .3s,border-color .3s;
  }
  .ai-card:hover{transform:translateY(-4px);border-color:rgba(74,222,128,.3)}
  .ai-card .num{
    font-size:13px;color:var(--green);font-weight:700;
    letter-spacing:.1em;margin-bottom:16px;
  }
  .ai-card h4{font-size:20px;font-weight:600;margin-bottom:12px}
  .ai-card p{font-size:14px;color:var(--txt2);line-height:1.7}

  /* ===== 翻译数据 ===== */
  .translate{
    background:linear-gradient(135deg,#0d1a12 0%,var(--bg) 100%);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
  }
  .trans-big{
    text-align:center;
    padding:40px 0;
  }
  .trans-big .big-num{
    font-size:clamp(72px,10vw,140px);
    font-weight:800;
    background:linear-gradient(180deg,var(--green) 0%,#16a34a 100%);
    -webkit-background-clip:text;
    background-clip:text;
    -webkit-text-fill-color:transparent;
    line-height:1;
    letter-spacing:-.03em;
  }
  .trans-big .lbl{
    font-size:18px;color:var(--txt2);margin-top:12px;
  }
  .trans-chips{
    display:flex;flex-wrap:wrap;gap:10px;
    justify-content:center;margin-top:40px;
    max-width:800px;margin-left:auto;margin-right:auto;
  }
  .chip{
    padding:8px 18px;
    border:1px solid var(--line);
    border-radius:100px;
    font-size:14px;color:var(--txt2);
    background:var(--bg2);
  }
  .chip.hl{border-color:rgba(74,222,128,.4);color:var(--green);background:var(--green-glow)}

  /* ===== 设计细节 ===== */
  .design-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
    margin-top:48px;
  }
  .d-card{
    position:relative;
    border-radius:16px;overflow:hidden;
    border:1px solid var(--line);
    background:var(--bg2);
  }
  .d-card img{width:100%;height:280px;object-fit:cover;object-position:center}
  .d-card .info{padding:24px}
  .d-card h4{font-size:18px;font-weight:600;margin-bottom:8px}
  .d-card p{font-size:14px;color:var(--txt2)}

  /* ===== 多角度画廊 ===== */
  .gallery{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .gal-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
  }
  .gal-item{
    border-radius:12px;overflow:hidden;
    background:var(--bg3);
    border:1px solid var(--line);
    transition:border-color .3s;
  }
  .gal-item:hover{border-color:rgba(74,222,128,.3)}
  .gal-item img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .gal-item .cap{
    padding:12px 16px;font-size:13px;color:var(--txt2);
    border-top:1px solid var(--line);
  }

  /* ===== 规格表 ===== */
  .spec-table{
    width:100%;
    border-collapse:collapse;
    background:var(--bg2);
    border-radius:16px;
    overflow:hidden;
    border:1px solid var(--line);
  }
  .spec-table th,.spec-table td{
    padding:18px 24px;
    text-align:left;
    border-bottom:1px solid var(--line);
    font-size:15px;
  }
  .spec-table th{
    width:30%;
    color:var(--txt3);
    font-weight:500;
    background:var(--bg3);
  }
  .spec-table td{color:var(--txt)}
  .spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}

  /* ===== 包装与认证 ===== */
  .package-grid{
    display:grid;grid-template-columns:1fr 1fr;
    gap:24px;margin-top:40px;
  }
  .pkg-card{
    background:var(--bg2);border:1px solid var(--line);
    border-radius:16px;padding:32px;
  }
  .pkg-card h4{font-size:18px;font-weight:600;margin-bottom:16px}
  .pkg-card ul{list-style:none}
  .pkg-card li{
    padding:10px 0;color:var(--txt2);font-size:14px;
    border-bottom:1px dashed var(--line);
    display:flex;align-items:center;gap:10px;
  }
  .pkg-card li:last-child{border-bottom:none}
  .pkg-card li::before{
    content:"";width:5px;height:5px;border-radius:50%;
    background:var(--green);flex-shrink:0;
  }
  .cert-row{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
    margin-top:40px;
  }
  .cert{
    padding:12px 24px;border:1px solid var(--line);
    border-radius:8px;font-size:14px;color:var(--txt2);
    background:var(--bg2);
  }

  /* ===== Footer CTA ===== */
  .footer-cta{
    text-align:center;padding:100px 24px;
    background:radial-gradient(ellipse 60% 50% at 50% 50%,rgba(74,222,128,.1) 0%,transparent 70%);
  }
  .footer-cta h2{
    font-size:clamp(28px,4vw,48px);font-weight:700;
    margin-bottom:16px;
  }
  .footer-cta p{color:var(--txt2);font-size:16px;margin-bottom:32px}
  .footer-cta .brand{
    margin-top:60px;padding-top:32px;
    border-top:1px solid var(--line);
    color:var(--txt3);font-size:13px;
  }

  /* ===== 响应式 ===== */
  @media (max-width:900px){
    .hero-inner{grid-template-columns:1fr;padding:60px 24px;gap:32px}
    .hero{min-height:auto}
    .feat-grid{grid-template-columns:repeat(2,1fr)}
    .wg-inner,.audio-inner{grid-template-columns:1fr;gap:32px}
    .ai-sec .ai-grid{grid-template-columns:1fr}
    .design-grid{grid-template-columns:1fr}
    .gal-grid{grid-template-columns:repeat(2,1fr)}
    .package-grid{grid-template-columns:1fr}
    .spec-table th{width:40%}
    section{padding:64px 0}
  }
  @media (max-width:560px){
    .feat-grid{grid-template-columns:1fr}
    .gal-grid{grid-template-columns:1fr}
    .hero-specs{gap:20px}
    .hero-spec .num{font-size:22px}
  }