:root{
    --navy:#0F2A43; --navy2:#163A5C; --gold:#C9A227; --gold-l:#E3C566; --gold-d:#A9861B;
    --bg:#FAF9F6; --card:#FFFFFF; --line:#E8E2D4; --ink:#23272D; --ink2:#5C6470;
    --blue:#1B6FB8; --sky:#EAF3FA;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;font-size:15px;}
  img{max-width:100%;display:block;}
  .serif{font-family:Georgia,'Times New Roman','Noto Serif SC',serif;}
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
  .sec{padding:72px 0;}
  .view-banner{position:relative;background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);padding:96px 24px 38px;overflow:hidden;}
  .view-banner::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(201,162,39,.55),rgba(201,162,39,.08) 60%,transparent);}
  .view-banner .in{position:relative;z-index:1;max-width:1200px;margin:0 auto;}
  .view-banner .crumb{font-size:12px;color:#AFC4D8;letter-spacing:.06em;margin-bottom:10px;}
  .view-banner .crumb a{color:var(--gold-l);text-decoration:none;}
  .view-banner h2{color:#fff;font-size:clamp(26px,3.4vw,38px);}
  .view-banner .lead{color:#C7D7E5;max-width:720px;margin-top:12px;font-size:14.5px;}
  /* 光带扫过 */
  .vb-sweep{position:absolute;top:-25%;bottom:-25%;left:-45%;width:230px;transform:rotate(18deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.34),transparent);animation:sweep 12s ease-in-out infinite;pointer-events:none;}
  @keyframes sweep{0%{left:-45%;opacity:0;}5%{opacity:1;}72%{left:105%;opacity:1;}86%,100%{left:105%;opacity:0;}}
  /* 磨砂蓝：细噪点 + 平滑柔光带 */
  .vb-frosted{background:linear-gradient(135deg,#163A5C,#0F2A43 70%,#0B2035);}
  .vb-frosted::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 3px),repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 3px);opacity:.5;}
  .vb-frosted .vb-sweep{width:280px;filter:blur(16px);background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);animation-duration:13s;}
  /* 光面蓝：镜面高光 + 锐利反光带 */
  .vb-glossy{background:linear-gradient(160deg,#1B4A73 0%,#163A5C 45%,#0C2440 100%);}
  .vb-glossy::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.16) 0%,rgba(255,255,255,.04) 28%,transparent 45%);}
  .vb-glossy .vb-sweep{width:120px;filter:none;background:linear-gradient(90deg,transparent,rgba(255,255,255,.62),rgba(255,255,255,.32),transparent);animation-duration:11s;;}
  /* vb-del（Delaunay 网格 banner）统一蓝光带；Products 无光带 */
  .vb-del .vb-sweep{width:210px;filter:blur(18px);background:linear-gradient(90deg,transparent,rgba(150,200,255,.28),transparent);opacity:.8;animation-duration:15s;;}
  .vb-products .vb-sweep{display:none;}
  /* 不规则蓝：多层异形色块 */
  .vb-irregular{background:#0F2A43;}
  .vb-irregular::before{content:'';position:absolute;inset:0;background:
    radial-gradient(90% 75% at 12% -5%,#1E547F 0%,transparent 55%),
    radial-gradient(70% 90% at 96% 8%,#1B4A73 0%,transparent 60%),
    radial-gradient(55% 70% at 80% 100%,#163A5C 0%,transparent 62%),
    radial-gradient(45% 55% at 35% 100%,#1E547F 0%,transparent 70%);}
  .vb-irregular .vb-sweep{width:210px;filter:blur(18px);background:linear-gradient(90deg,transparent,rgba(150,200,255,.28),transparent);opacity:.8;animation-duration:15s;;}
  /* 随机三角网格（SVG Delaunay，transform 由 JS 驱动：自身漂移 + 光带推动） */
  .vb-tris{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;will-change:transform;opacity:.6;}
  /* 丝印凹凸蓝：织纹网格 + 间断光带 */
  .vb-embossed{background:linear-gradient(135deg,#132F4E,#0C2440);}
  .vb-embossed::before{content:'';position:absolute;inset:0;background:
    repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 1px,transparent 1px 5px),
    repeating-linear-gradient(-45deg,rgba(0,0,0,.28) 0 1px,transparent 1px 5px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 4px);}
  .vb-embossed .vb-sweep{
    width:210px;
    filter:blur(18px);
    background:linear-gradient(90deg,transparent,rgba(150,200,255,.28),transparent);
    opacity:.8;
    animation-duration:16s;
    ;
  }
  .vb-sparks{position:absolute;inset:0;pointer-events:none;}
  .vb-sparks i{position:absolute;border-radius:999px;opacity:.13;transition:opacity .5s ease;}
  /* 星星点点闪烁层（配合织纹网格） */
  .vb-stars{position:absolute;inset:0;pointer-events:none;background-image:
    radial-gradient(circle at 8% 22%, rgba(255,255,255,.5) 0 1px, transparent 2.4px),
    radial-gradient(circle at 18% 68%, rgba(255,255,255,.32) 0 1.2px, transparent 2.6px),
    radial-gradient(circle at 27% 40%, rgba(201,162,39,.45) 0 1.1px, transparent 2.4px),
    radial-gradient(circle at 36% 82%, rgba(255,255,255,.4) 0 .9px, transparent 2.2px),
    radial-gradient(circle at 45% 26%, rgba(255,255,255,.55) 0 1.3px, transparent 2.7px),
    radial-gradient(circle at 54% 58%, rgba(255,255,255,.3) 0 1px, transparent 2.3px),
    radial-gradient(circle at 63% 34%, rgba(201,162,39,.5) 0 1.2px, transparent 2.5px),
    radial-gradient(circle at 72% 74%, rgba(255,255,255,.42) 0 1px, transparent 2.4px),
    radial-gradient(circle at 81% 48%, rgba(255,255,255,.5) 0 1.1px, transparent 2.5px),
    radial-gradient(circle at 90% 20%, rgba(201,162,39,.4) 0 1px, transparent 2.3px),
    radial-gradient(circle at 96% 62%, rgba(255,255,255,.35) 0 .9px, transparent 2.1px);
    background-size:340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px,340px 300px;
    background-repeat:repeat;
    opacity:.5;
    animation:vbTwinkle 3.4s ease-in-out infinite;
  }
  @keyframes vbTwinkle{0%,100%{opacity:.22;}50%{opacity:.75;}}
  @media (prefers-reduced-motion:reduce){.vb-sweep{animation:none;opacity:.12;}}
  .kicker{font-size:12px;letter-spacing:.24em;color:var(--gold);font-weight:700;text-transform:uppercase;margin-bottom:10px;}
  h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;line-height:1.25;letter-spacing:.01em;}
  .lead{color:var(--ink2);font-size:15px;max-width:760px;margin-top:14px;}
  .btn{display:inline-block;background:var(--gold);color:#fff;font-weight:700;font-size:14px;padding:13px 30px;border-radius:999px;text-decoration:none;letter-spacing:.02em;transition:.25s;border:none;cursor:pointer;}
  .cta-band .btn{background:#9DC6E4;color:#0F2A43;}
  .cta-band .btn:hover{background:#B4D4EC;color:#0F2A43;}
  .btn:hover{background:var(--gold-d);transform:translateY(-2px);box-shadow:0 10px 26px rgba(201,162,39,.32);}
  .btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
  .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;}
  .btn-navy{background:var(--navy);color:#fff;}
  .btn-navy:hover{background:var(--navy2);}

  /* ===== 导航 ===== */
  header{position:fixed;top:0;left:0;right:0;z-index:400;background:rgba(15,42,67,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(201,162,39,.25);}
  .nav{display:flex;align-items:center;gap:26px;height:70px;}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
  .logo img{height:38px;width:auto;}
  .logo .lt{color:#fff;font-weight:900;font-size:16px;letter-spacing:.04em;line-height:1.1;}
  .logo .lt small{display:block;font-weight:400;font-size:9px;letter-spacing:.3em;color:var(--gold);text-transform:uppercase;}
  .menu{display:flex;gap:4px;flex:1;justify-content:flex-end;}
  .menu a{color:#C9D8E6;text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.04em;padding:8px 13px;border-radius:8px;transition:.2s;text-transform:uppercase;}
  .menu a:hover,.menu a.on{color:#fff;background:rgba(255,255,255,.08);}
  .nav .btn{padding:10px 20px;font-size:12.5px;}
  .burger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:6px;min-width:44px;min-height:44px;}
  .m-menu{display:none;background:var(--navy);border-top:1px solid rgba(201,162,39,.25);}
  .m-menu a{display:block;color:#C9D8E6;text-decoration:none;padding:14px 26px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);text-transform:uppercase;letter-spacing:.06em;}
  .m-menu a.on{color:var(--gold-l);}

  /* ===== 视图 ===== */
  .view{display:block;}
  .view.on{display:block;}

  /* ===== Hero ===== */
  .hero{position:relative;min-height:88vh;display:flex;align-items:center;padding-top:70px;overflow:hidden;background:var(--navy);}
  .hero-slides{display:flex;height:100%;width:100%;transition:transform .75s cubic-bezier(.4,0,.2,1);}
  .hero-slide{position:relative;flex:0 0 100%;min-height:88vh;display:flex;align-items:center;overflow:hidden;}
  .hero-bg{position:absolute;inset:0;}
  .hero-bg img{position:absolute;right:0;top:0;width:50%;height:100%;object-fit:cover;opacity:.92;}
  @media(min-width:641px){
    .hero-bg img{-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 10%,#000 100%);mask-image:linear-gradient(90deg,transparent 0%,#000 10%,#000 100%);}
  }
  .hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,42,67,1) 0%,rgba(15,42,67,.94) 42%,rgba(15,42,67,.60) 58%,rgba(15,42,67,.20) 80%);}
  .hero-slide.s2 .hero-bg::after{background:linear-gradient(90deg,rgba(10,44,36,1) 0%,rgba(10,44,36,.94) 42%,rgba(10,44,36,.62) 58%,rgba(10,44,36,.22) 80%);}
  .hero-slide.s3 .hero-bg::after{background:linear-gradient(90deg,rgba(8,46,52,1) 0%,rgba(8,46,52,.94) 42%,rgba(8,46,52,.62) 58%,rgba(8,46,52,.22) 80%);}
  .hero-in{position:relative;z-index:2;padding:90px 0;max-width:720px;}
  .hero h1{color:#fff;font-size:clamp(34px,5vw,58px);font-weight:900;line-height:1.14;letter-spacing:.01em;}
  .hero h1 em{font-style:normal;color:var(--gold-l);}
  .hero-slide.s2 h1 em{color:#C9E2A8;}
  .hero-slide.s3 h1 em{color:#A8E3DA;}
  .hero p{color:#D7E2EC;font-size:16px;margin:22px 0 34px;max-width:600px;}
  .hero .btns{display:flex;gap:14px;flex-wrap:wrap;}
  .hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(8,24,45,.35);color:#fff;font-size:26px;cursor:pointer;backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;line-height:1;}
  .hero-arrow:hover{background:rgba(201,162,39,.85);}
  .hero-arrow.l{left:22px;}
  .hero-arrow.r{right:22px;}
  .hero-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:5;display:flex;gap:4px;align-items:center;}
  .hero-dots button{position:relative;width:44px;height:44px;border:none;background:transparent;cursor:pointer;padding:0;}
  .hero-dots button::after{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:11px;height:11px;border-radius:999px;border:1px solid rgba(255,255,255,.6);background:transparent;transition:width .3s;}
  .hero-dots button.on::after{background:var(--gold-l);border-color:var(--gold-l);width:26px;}
  .badges{position:relative;z-index:2;background:rgba(23,60,94,.72);border:1px solid rgba(201,162,39,.42);border-radius:16px;padding:22px 26px;margin:0 24px 60px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;backdrop-filter:blur(8px);box-shadow:0 12px 32px rgba(15,42,67,.22);}
  .badges .bd b{display:block;color:var(--gold-l);font-size:20px;font-weight:900;}
  .badges .bd span{color:#E3ECF4;font-size:12px;letter-spacing:.04em;text-transform:uppercase;}

  /* ===== 通用卡片 ===== */
  .grid{display:grid;gap:20px;}
  .pcard{cursor:pointer;transition:transform .25s,box-shadow .25s;}
  .pcard:hover{transform:translateY(-4px);box-shadow:0 16px 38px rgba(15,42,67,.16);}
  .pcard .ph{position:relative;}
  .phv{position:absolute;left:12px;bottom:12px;background:rgba(15,42,67,.82);color:#fff;font-size:11px;font-weight:700;letter-spacing:.05em;padding:6px 12px;border-radius:999px;opacity:0;transition:opacity .25s;}
  .pcard:hover .phv{opacity:1;}
  @media(max-width:760px){.phv{opacity:1;}}
  .g4{grid-template-columns:repeat(4,1fr);}
  .g3{grid-template-columns:repeat(3,1fr);}
  .g2{grid-template-columns:repeat(2,1fr);}
  .card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s;}
  .card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,42,67,.10);border-color:#D8CDB2;}
  .card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--sky);}
  .card .ph img{width:100%;height:100%;object-fit:cover;transition:.4s;}
  .card:hover .ph img{transform:scale(1.05);}
  .card .bd{padding:18px 20px;}
  .card h3{font-size:16px;font-weight:700;}
  .card p{color:var(--ink2);font-size:13px;margin-top:6px;}

  /* 分类卡（首页推荐产品卡）：正方形框，产品图 contain（香水瓶撑满、横向图上下留白） */
  .cat .ph{aspect-ratio:1/1;position:relative;background:#FFFFFF;}
  .cat .ph img{width:100%;height:100%;object-fit:contain;display:block;}
  .cat .ph::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 58%,rgba(15,42,67,.42));pointer-events:none;}
  .cat .nm{position:absolute;left:18px;bottom:14px;z-index:2;color:#fff;font-weight:700;font-size:15px;}
  .cat .nm small{display:block;color:#E6C87A;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;}

  /* 优势 */
  .adv{display:flex;gap:14px;align-items:flex-start;}
  .adv .ic{flex-shrink:0;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--navy2));color:var(--gold-l);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;}
  .adv h3{font-size:16px;font-weight:800;}
  .adv p{color:var(--ink2);font-size:13.5px;margin-top:5px;}

  /* 工艺条 */
  .proc{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:1/1;}
  .proc img{width:100%;height:100%;object-fit:cover;}
  .proc .ov{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,42,67,.9));display:flex;align-items:flex-end;padding:18px;color:#fff;}
  .proc b{font-size:15px;font-weight:800;}
  .proc small{display:block;color:#C9D8E6;font-size:12px;margin-top:3px;}

  /* 数字条 */
  .stats{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
  .stats::before{content:'';position:absolute;top:-120px;right:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(22,58,92,.65),transparent 70%);}
  .stats .grid{gap:30px;text-align:center;}
  .stats b{display:block;font-size:clamp(28px,3.6vw,44px);font-weight:900;color:#fff;}
  .stats span{font-size:12.5px;color:#B9CCE0;letter-spacing:.06em;text-transform:uppercase;}

  /* 资质 */
  .cert{display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;}
  .cert .ic{flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;}
  .cert b{font-size:14.5px;display:block;}
  .cert small{color:var(--ink2);font-size:12px;}

  /* 市场洞察 */
  .insight{background:linear-gradient(135deg,#FDF9EC,#F6EFDC);border:1px solid #ECD9A8;border-radius:16px;padding:26px 28px;}
  .insight b{color:#8A6D1A;font-size:15px;display:block;margin-bottom:6px;}
  .insight p{color:#5C5340;font-size:13.5px;}
  .trend{display:flex;gap:10px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed #E5D9BC;}
  .trend:last-child{border-bottom:none;}
  .trend .n{flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--navy);color:var(--gold-l);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:14px;}

  /* 产品卡 */
  .pcard{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;}
  .pcard:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(15,42,67,.10);}
  .pcard .ph{aspect-ratio:1/1;background:#fff;}
  .pcard .ph img{width:100%;height:100%;object-fit:cover;}
  .pcard .bd{padding:14px 16px;border-top:1px solid var(--line);}
  .pcard b{font-size:14.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .pcard .meta{color:var(--ink2);font-size:12px;margin-top:4px;}
  .pcard .no{display:inline-block;background:var(--sky);color:var(--blue);font-size:11px;font-weight:700;padding:2px 9px;border-radius:999px;margin-top:8px;letter-spacing:.04em;}
  .filter{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0;}
  .cat-pick{position:relative;display:inline-flex;align-items:center;flex:none;}
  .cat-pick select{
    -webkit-appearance:none;-moz-appearance:none;appearance:none;
    background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 100%);
    color:#fff;border:1px solid rgba(201,162,39,.5);border-radius:999px;
    padding:12px 46px 12px 20px;font-size:14px;font-family:inherit;cursor:pointer;
    outline:none;box-shadow:0 8px 22px rgba(15,42,67,.28);font-weight:600;letter-spacing:.02em;
  }
  .cat-pick select option{background:#fff;color:var(--ink);font-weight:400;}
  .cat-pick .cat-arr{
    position:absolute;right:20px;pointer-events:none;
    width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:7px solid #E8D9A8;
    animation:catBlink .8s ease-in-out 2;
  }
  @keyframes catBlink{0%,100%{opacity:1;}50%{opacity:.08;}}

  /* About */
  .about-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:flex-start;}
  .about-intro .big{border-radius:18px;width:100%;object-fit:cover;box-shadow:0 24px 60px rgba(8,24,45,.18);}
  .showrow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:14px;}
  .showrow figure{margin:0;position:relative;}
  .showrow img{border-radius:14px;object-fit:cover;width:100%;height:220px;display:block;}
  .showrow figcaption{position:absolute;left:12px;bottom:12px;color:#fff;font-size:12px;font-weight:700;background:linear-gradient(90deg,rgba(8,24,45,.75),rgba(8,24,45,.15));padding:5px 12px;border-radius:999px;letter-spacing:.03em;}
  .tl{border-left:3px solid var(--gold);padding:6px 0 6px 18px;margin-bottom:14px;}
  .tl h3{font-size:16px;font-weight:800;color:var(--navy);}
  .tl p{font-size:12.5px;color:var(--ink2);}

  /* QC 步骤 */
  .qc{display:flex;gap:0;counter-reset:qc;flex-wrap:wrap;}
  .qc .step{flex:1 1 180px;padding:22px 18px;position:relative;border-top:3px solid var(--line);}
  .qc .step::before{counter-increment:qc;content:'0' counter(qc);font-size:26px;font-weight:900;color:var(--navy2);display:block;margin-bottom:8px;}
  .qc .step b{font-size:14.5px;display:block;margin-bottom:5px;}
  .qc .step p{font-size:12.5px;color:var(--ink2);}
  .qc .step.on{border-top-color:var(--gold);background:linear-gradient(180deg,#FDF9EC,transparent);}

  /* Contact */
  .contact{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;}
  .cinfo .row{display:flex;gap:14px;margin-bottom:22px;}
  .cinfo .ic{width:42px;height:42px;border-radius:10px;background:var(--navy);color:var(--gold-l);display:flex;align-items:center;justify-content:center;font-weight:900;flex-shrink:0;}
  .cinfo b{font-size:14px;display:block;}
  .cinfo p{font-size:13px;color:var(--ink2);}
  .form{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 18px 44px rgba(15,42,67,.06);}
  .form label{font-size:12.5px;font-weight:700;color:var(--navy);display:block;margin:16px 0 6px;letter-spacing:.05em;text-transform:uppercase;}
  .form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #D8CDB2;border-radius:10px;font-size:14px;font-family:inherit;background:#FDFCF9;outline:none;transition:.2s;}
  .form input:focus,.form select:focus,.form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.15);}
  .form textarea{min-height:110px;resize:vertical;}
  .form .ok{display:none;background:#F0FAF0;border:1px solid #BCE3BC;color:#2F7D2F;font-size:13px;padding:12px 16px;border-radius:10px;margin-top:16px;}
  .form .ok.show{display:block;}

  /* CTA band */
  .cta-band{background:linear-gradient(115deg,var(--navy) 30%,var(--navy2));border-radius:22px;padding:56px 48px;color:#fff;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
  .cta-band::before{content:'';position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(22,58,92,.7),transparent 70%);pointer-events:none;}
  .cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);}
  .cta-band p{color:#C9D8E6;font-size:14px;margin-top:10px;max-width:560px;}

  /* 页脚 */
  footer{background:var(--navy);color:#B9CCE0;font-size:13px;padding:56px 0 26px;}
  .foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px;}
  .foot h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.05em;text-transform:uppercase;}
  .foot a{color:#B9CCE0;text-decoration:none;display:block;padding:3px 0;font-size:13px;}
  .foot a:hover{color:var(--gold-l);}
  .foot p{font-size:13px;margin:3px 0;}
  .foot .logo img{height:34px;}
  .copy{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#8FA6BC;}

  /* ===== 产品详情浮层 ===== */
  .pd-overlay{position:fixed;inset:0;background:rgba(6,18,34,.72);backdrop-filter:blur(6px);z-index:500;display:none;align-items:center;justify-content:center;padding:20px;}
  .pd-overlay.on{display:flex;}
  .pd-panel{background:#fff;border-radius:20px;max-width:1200px;width:100%;max-height:90vh;overflow:auto;display:grid;grid-template-columns:1.4fr 1fr;box-shadow:0 40px 90px rgba(4,14,28,.5);position:relative;}
  .pd-close{position:absolute;top:14px;right:14px;z-index:5;width:44px;height:44px;border-radius:999px;border:none;background:rgba(15,42,67,.9);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
  .pd-media{background:linear-gradient(160deg,#0F2A43,#16375c);display:flex;align-items:center;justify-content:center;padding:48px 40px;min-height:440px;}
  .pd-media img{max-width:100%;max-height:560px;object-fit:contain;border-radius:12px;box-shadow:0 20px 50px rgba(4,14,28,.45);}
  .pd-info{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;}
  .pd-cat{display:inline-block;align-self:flex-start;background:rgba(201,162,39,.14);color:#8a6d13;font-size:11px;font-weight:800;letter-spacing:.1em;padding:5px 12px;border-radius:999px;text-transform:uppercase;}
  .pd-info h3{font-size:24px;font-weight:900;color:var(--navy);margin:14px 0 6px;line-height:1.3;}
  .pd-sku{font-size:13px;color:#5b6b7c;font-weight:700;letter-spacing:.04em;}
  .pd-spec{display:grid;grid-template-columns:1fr;gap:10px;margin:24px 0 8px;}
  .pd-spec>div{display:flex;justify-content:space-between;align-items:center;background:#F4F6F9;border-radius:10px;padding:12px 16px;}
  .pd-spec span{margin-bottom:0;}
  .pd-spec>div{background:#F4F6F9;border-radius:12px;padding:14px 16px;}
  .pd-spec span{display:block;font-size:11px;color:#8494a5;text-transform:uppercase;letter-spacing:.06em;margin-bottom:5px;}
  .pd-spec b{font-size:15px;color:var(--navy);}
  .pd-note{font-size:13px;color:#5b6b7c;line-height:1.65;margin:12px 0 22px;}
  .pd-vt{width:100%;border-collapse:collapse;margin:18px 0 6px;font-size:12px;}
  .pd-vt table{width:100%;border-collapse:collapse;}
  .pd-vt th,.pd-vt td{padding:8px 10px;border-bottom:1px solid #E8EDF2;text-align:left;white-space:nowrap;}
  .pd-vt th{background:#F4F6F9;color:#5b6b7c;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;font-weight:800;}
  .pd-vt td:first-child{color:var(--navy);font-weight:700;}
  .pd-vt-wrap{max-height:220px;overflow:auto;border:1px solid #E8EDF2;border-radius:12px;}
  .pd-vt-title{font-size:11px;color:#8494a5;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin:18px 0 8px;}
  .pd-desc{display:none;margin:14px 0;font-size:14px;line-height:1.75;color:var(--ink2);}
  .pd-desc p{margin-bottom:8px;}
  .pd-desc ul,.pd-desc ol{margin:0 0 10px 20px;}
  .pd-desc table{width:100%;border-collapse:collapse;margin:8px 0;font-size:13px;}
  .pd-desc th,.pd-desc td{padding:6px 10px;border:1px solid #E0E6EC;text-align:left;}
  .pd-desc th{background:#F4F6F9;color:var(--navy);font-weight:700;}
  .pd-panel.pd-skin .pd-desc{display:block;flex:1;overflow:visible;}
  @media(max-width:760px){.pd-vt th,.pd-vt td{padding:7px 8px;font-size:11px;}}
  .pd-actions{display:flex;gap:12px;flex-wrap:wrap;}
  .pd-panel.pd-skin{grid-template-columns:1.6fr .65fr;overflow:hidden;max-height:none;}
  .pd-panel.pd-skin .pd-media{padding:44px 34px;}
  .pd-panel.pd-skin .pd-media img{max-height:600px;}
  .pd-panel.pd-skin .pd-spec,.pd-panel.pd-skin .pd-vt{display:none;}
  .pd-panel.pd-skin .pd-info{padding:40px 30px;}
  .pd-panel.pd-skin .pd-note{margin:6px 0 22px;}
  @media(max-width:760px){
    .pd-panel{grid-template-columns:1fr;max-height:92vh;}
    .pd-media{min-height:0;padding:30px;}
    .pd-media img{max-height:340px;}
    .pd-info{padding:26px 22px;}
    .pd-panel.pd-skin{grid-template-columns:1fr;}
    .pd-panel.pd-skin .pd-media img{max-height:360px;}
  }

  /* AI 浮窗 */
  .ai-fab{position:fixed;right:22px;bottom:22px;z-index:300;width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-d));border:none;color:#fff;font-size:22px;cursor:pointer;box-shadow:0 12px 30px rgba(201,162,39,.45);transition:.25s;}
  .ai-fab:hover{transform:translateY(-3px) scale(1.05);}
  .ai-fab span{position:absolute;top:2px;right:2px;width:12px;height:12px;background:#52C41A;border-radius:50%;border:2px solid #fff;}
  .ai-panel{position:fixed;right:22px;bottom:92px;z-index:300;width:360px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(15,42,67,.28);overflow:hidden;display:none;}
  .ai-panel.show{display:block;}
  .ai-head{background:linear-gradient(115deg,var(--navy),var(--navy2));color:#fff;padding:16px 20px;display:flex;align-items:center;gap:12px;}
  .ai-head .dot{width:10px;height:10px;border-radius:50%;background:#52C41A;box-shadow:0 0 0 4px rgba(82,196,26,.2);}
  .ai-head b{font-size:15px;display:block;}
  .ai-head small{color:#B9CCE0;font-size:11px;}
  .ai-lang{display:flex;gap:4px;}
  .ai-lang button{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#DCE7F0;font-size:11px;padding:4px 10px;border-radius:999px;cursor:pointer;line-height:1.4;}
  .ai-lang button.on{background:var(--gold);border-color:var(--gold);color:#fff;font-weight:700;}
  .ai-body{max-height:320px;overflow-y:auto;padding:16px 18px;background:#FBF9F4;}
  .ai-msg{margin-bottom:12px;display:flex;flex-direction:column;align-items:flex-start;}
  .ai-msg .bubble{max-width:88%;padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.55;}
  .ai-msg.bot .bubble{background:#fff;border:1px solid var(--line);border-top-left-radius:4px;color:var(--ink);}
  .ai-msg.user{align-items:flex-end;}
  .ai-msg.user .bubble{background:var(--navy);color:#fff;border-bottom-right-radius:4px;}
  .ai-quick{display:flex;gap:8px;flex-wrap:wrap;padding:0 18px 12px;background:#FBF9F4;}
  .ai-quick button{font-size:11.5px;padding:7px 12px;border-radius:999px;border:1px solid #D8CDB2;background:#fff;color:var(--navy);cursor:pointer;}
  .ai-quick button:hover{border-color:var(--gold);color:var(--gold-d);}
  .ai-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:#fff;}
  .ai-input input{flex:1;border:1px solid #D8CDB2;border-radius:999px;padding:9px 16px;font-size:13px;outline:none;}
  .ai-input button{background:var(--gold);color:#fff;border:none;border-radius:999px;padding:9px 18px;font-weight:700;font-size:13px;cursor:pointer;}

  /* ===== 响应式 ===== */
  @media(max-width:900px){
    .g4{grid-template-columns:repeat(2,1fr);}
    .g3{grid-template-columns:repeat(2,1fr);}
    .about-intro{grid-template-columns:1fr;}
    .contact{grid-template-columns:1fr;}
    .foot{grid-template-columns:1fr 1fr;}
    .menu{display:none;}
    .burger{display:block;margin-left:auto;}
  }
  @media(max-width:640px){
    .showrow{grid-template-columns:1fr 1fr;}
    .showrow img{height:150px;}
    .sec{padding:52px 0;}
    .g3,.g4{grid-template-columns:1fr 1fr;}
    .g2{grid-template-columns:1fr;}
    .badges{grid-template-columns:repeat(2,1fr);}
    .hero{min-height:76vh;}
    .hero-in{padding:64px 0;}
    .hero-bg img{width:100%;}
    .cta-band{padding:40px 26px;}
    .foot{grid-template-columns:1fr;gap:26px;}
    .copy{flex-direction:column;}
    .qc{flex-direction:column;}
    .nav .btn{display:none;}
    .nav{height:64px;}
    .form input,.form select,.form textarea{font-size:16px;}
    .foot a{padding:7px 0;min-height:44px;display:flex;align-items:center;}
    .logo{min-height:44px;}
    .m-menu a{padding:15px 26px;min-height:48px;}
  }
  @media(max-width:420px){
    .g3,.g4{grid-template-columns:1fr;}
  }