:root{
  --ink:#101820;
  --ink2:#28343f;
  --muted:#64727f;
  --line:#e4eaf0;
  --line2:#eef2f6;
  --bg:#ffffff;
  --bg2:#f6f8fa;
  --brand:#0d5a96;
  --brand-d:#0a4879;
  --brand-soft:#eef4fa;
  --wa:#20b358;
  --ok:#128c3f;
  --err:#c0392b;
  --r:6px;
  --sh:0 1px 2px rgba(16,24,32,.04), 0 10px 30px rgba(16,24,32,.06);
  --sh-sm:0 1px 2px rgba(16,24,32,.05);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.72 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;line-height:1.24;font-weight:700;letter-spacing:-.015em}
p{margin:0}
button{font:inherit;cursor:pointer;color:inherit}
input,select,textarea{font:inherit}
svg{display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.gap40{height:44px}
.note{margin-top:26px;font-size:13px;color:var(--muted)}
.empty{color:var(--muted);background:var(--bg2);border:1px dashed #d7e0e8;border-radius:var(--r);padding:56px 24px;text-align:center;font-size:14.5px}
.count{font-size:13px;color:var(--muted);margin-bottom:18px;letter-spacing:.02em}

/* ---------- header ---------- */
.hd{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:inline-flex;align-items:center;flex:none}
.brand-logo{height:30px;width:auto;display:block}
.ft-brand .brand{margin-bottom:4px}
.nav{display:flex;gap:0;flex:1;margin-left:2px}
.nav a{padding:9px 10px;font-size:13.6px;color:var(--ink2);border-radius:5px;white-space:nowrap;transition:.15s}
.nav a:hover{background:var(--bg2);color:var(--brand)}
.nav a.on{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.hd-r{display:flex;align-items:center;gap:10px;flex:none;margin-inline-start:auto}
/* 语言选择下拉 */
.lang-dd{position:relative}
.lang-dd summary{list-style:none;display:inline-flex;align-items:center;gap:5px;height:34px;padding:0 10px;border:1px solid var(--line);border-radius:5px;font-size:12.5px;color:var(--ink2);cursor:pointer;letter-spacing:.04em;font-weight:600;user-select:none}
.lang-dd summary::-webkit-details-marker{display:none}
.lang-dd summary svg{width:13px;height:13px;color:var(--muted);transition:.15s}
.lang-dd[open] summary{border-color:var(--brand);color:var(--brand)}
.lang-dd[open] summary svg{transform:rotate(180deg)}
.lg-menu{position:absolute;top:calc(100% + 8px);inset-inline-end:0;z-index:80;min-width:196px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 30px rgba(16,24,32,.13);padding:6px;max-height:70vh;overflow:auto}
.lg-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:5px;font-size:13px;color:var(--ink2)}
.lg-item b{width:26px;flex:none;font-size:11.5px;letter-spacing:.06em;color:var(--muted);font-weight:700}
.lg-item span{white-space:nowrap}
.lg-item:hover{background:var(--bg2);color:var(--brand)}
.lg-item.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.lg-item.on b{color:var(--brand)}
.lang-lbl{font-size:12.5px;color:var(--muted);letter-spacing:.02em;white-space:nowrap;margin-inline-end:-2px}
.hd-tel{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 12px;border:1px solid var(--line);border-radius:5px;font-size:13px;color:var(--ink2);font-variant-numeric:tabular-nums;white-space:nowrap}
.hd-tel svg{width:14px;height:14px;color:var(--brand)}
.hd-tel:hover{border-color:var(--brand);color:var(--brand)}
.burger{display:none;width:38px;height:34px;border:1px solid var(--line);background:#fff;border-radius:5px;padding:9px 8px;flex-direction:column;justify-content:space-between}
.burger i{display:block;height:1.6px;background:var(--ink2);border-radius:2px;transition:.2s}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(6.4px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-6.4px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r);border:1px solid transparent;font-size:14.5px;font-weight:600;transition:.16s;white-space:nowrap;letter-spacing:.01em}
.btn svg{width:16px;height:16px}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(13,90,150,.22)}
.btn-solid:hover{background:var(--brand-d);box-shadow:0 4px 14px rgba(13,90,150,.28)}
.btn-out{background:#fff;color:var(--ink2);border-color:#d7e0e8}
.btn-out:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-sm{height:38px;padding:0 15px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- eyebrow / section head ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:14px}
.eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--brand)}
.sec{padding:48px 0}
.sec-tight{padding:34px 0}
.sec-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-h{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:30px}
.sec-h h2{font-size:30px}
.sec-d{color:var(--muted);margin-top:10px;font-size:15px;max-width:46em}
.sec-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:13.5px;font-weight:600;white-space:nowrap}
.sec-more svg{width:15px;height:15px;transition:.15s}
.sec-more:hover svg{transform:translateX(3px)}
.sec-h2{font-size:24px;margin-bottom:20px}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(1200px 420px at 78% -10%, #eaf2f9 0%, rgba(234,242,249,0) 62%),
    linear-gradient(180deg,#f8fbfd 0%,#fff 82%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-in{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:stretch;padding:56px 28px 52px}
.hero-txt{display:flex;flex-direction:column;justify-content:flex-start}
.hero-txt h1{font-size:clamp(28px,3.1vw,43px);line-height:1.16;letter-spacing:-.022em}
.lead{color:var(--ink2);font-size:14.8px;margin-top:15px;max-width:36em;line-height:1.72}
.lead2{color:var(--muted);margin-top:9px;font-size:14.2px;line-height:1.75}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.hero-tags li{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--brand);background:var(--brand-soft);border:1px solid #d6e4f1;border-radius:999px;padding:5px 13px;font-weight:600;letter-spacing:.01em;white-space:nowrap}
.hero-tags li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}
.hero-act{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;padding:0 14px;border-left:1px solid var(--line)}
.hero-stats li:first-child{padding-left:0;border-left:0}
.hero-stats b{font-size:25px;letter-spacing:-.03em;line-height:1.15;font-weight:700;margin-bottom:2px}
.hero-stats span{font-size:11.5px;color:var(--muted);line-height:1.5;margin-top:6px}
.hero-art{position:relative;margin:0;background:linear-gradient(180deg,#fff,#f7fafc);border:1px solid var(--line);border-radius:12px;padding:16px 16px 14px;box-shadow:var(--sh);display:flex;flex-direction:column;align-items:center;justify-content:center}
/* 首屏图轮换 */
.hero-slides{position:relative;flex:1 1 auto;min-height:0;height:340px}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .55s ease}
.hero-slide.on{opacity:1;position:relative}
.hero-slide img{width:100%;height:100%;max-height:340px;object-fit:contain;mix-blend-mode:multiply}
.hero-dots{display:flex;justify-content:center;gap:7px;margin-top:12px}
.hero-dot{width:7px;height:7px;padding:0;border:0;border-radius:50%;background:#cfd9e2;cursor:pointer;transition:.2s}
.hero-dot:hover{background:#a9bccd}
.hero-dot.on{background:var(--brand);width:18px;border-radius:4px}
.hero-art.is-rotating{cursor:pointer}

.hero-art{border-radius:14px}
.hero-art figcaption{display:flex;flex-direction:column;gap:3px;border-top:1px solid var(--line2);margin-top:16px;padding-top:13px}
.hero-art figcaption b{font-size:13.5px;font-weight:600}
.hero-art figcaption span{font-size:11.5px;color:var(--muted);letter-spacing:.03em;font-variant-numeric:tabular-nums}

/* ---------- apps strip ---------- */
.apps{border-bottom:1px solid var(--line);background:#fff}
.apps-in{display:flex;align-items:center;gap:44px;padding:22px 28px}
.apps-h{flex:none;display:flex;flex-direction:column;gap:3px}
.apps-h b{font-size:14px}
.apps-h span{font-size:12px;color:var(--muted)}
.apps-l{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;flex:1;min-width:0}
.apps-l li{display:flex;align-items:center;gap:9px;font-size:13.2px;color:var(--ink2);border-left:1px solid var(--line);padding-left:14px;min-height:44px;min-width:0;line-height:1.35}
.apps-l li:first-child{border-left:0;padding-left:0}
.ap-ic{width:34px;height:34px;border-radius:8px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.ap-ic svg{width:19px;height:19px}

/* ---------- product grid ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pc{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.2s;position:relative}
.pc:hover{border-color:#c6d6e3;box-shadow:var(--sh);transform:translateY(-3px)}
.pc-media{position:relative;aspect-ratio:1/1;background:linear-gradient(180deg,#fbfcfd,#f5f8fa);display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--line2)}
.pc-media img{width:100%;height:100%;object-fit:contain;padding:10px;transition:.3s}
.pc:hover .pc-media img{transform:scale(1.035)}
.pc-tag{position:absolute;top:12px;left:12px;font-size:10.5px;letter-spacing:.06em;padding:3px 9px;border-radius:4px;background:rgba(255,255,255,.9);border:1px solid var(--line);color:var(--muted);backdrop-filter:blur(4px)}
.pc-tag.solid{position:static;display:inline-block;margin-bottom:14px;background:var(--brand-soft);border-color:#d3e3f2;color:var(--brand);font-weight:600}
.pc-noimg{font-size:11px;letter-spacing:.24em;color:#c8d2dc;font-weight:700}
/* 卡片文字区：元素间距固定，只留一处弹性空白（在「产品详情」上方），避免上多中少下多 */
.pc-body{padding:20px 22px 20px;display:flex;flex-direction:column;flex:1;min-height:0;gap:0}
.pc-model{font-size:11px;letter-spacing:.09em;color:var(--brand);font-weight:700;text-transform:uppercase;line-height:1.5;margin-bottom:7px}
.pc-body h3{font-size:16.5px;line-height:1.4;margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pc-body p{font-size:13.2px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:none;text-wrap:pretty;line-break:strict}
.pc-more{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--ink2);font-weight:600;margin-top:auto;padding-top:13px;border-top:1px solid var(--line)}
/* 非中文页文案更长：放宽到 3 行，避免截断 */
html:not([lang^="zh"]) .pc-body p{-webkit-line-clamp:3}
.pc-more svg{width:14px;height:14px;color:var(--brand);transition:.15s}
.pc:hover .pc-more{color:var(--brand)}
.pc:hover .pc-more svg{transform:translateX(3px)}

/* ---------- why ---------- */
.wygrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.wy{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 24px 28px;position:relative}
.wy-n{font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--brand);background:var(--brand-soft);border-radius:4px;padding:3px 8px;display:inline-block;margin-bottom:16px}
.wy h3{font-size:16px;margin-bottom:9px}
.wy p{font-size:13.2px;color:var(--muted);line-height:1.72}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
/* 首页「关于深科」：左右等高、上下齐平 */
.about-home{align-items:stretch}
.about-home .about-txt{display:flex;flex-direction:column;justify-content:flex-start}
.about-home .patent-strip{margin-top:auto}
/* 关于我们详情页：左右等高，右侧内容撑满 */
.about-detail{align-items:stretch;grid-template-columns:.58fr 1.42fr;gap:56px}
.about-detail .about-txt{display:flex;flex-direction:column;justify-content:center;padding:4px 0}
.about-detail .about-txt .eyebrow{margin-bottom:6px}
.about-detail .about-txt h2{font-size:27px;margin-bottom:14px}
.about-detail .about-txt p{font-size:14.6px;line-height:1.9;margin-bottom:14px}
.about-detail .about-keys{margin-top:16px;gap:19px}
.about-detail .about-keys b{font-size:14px}
.about-detail .about-keys span{font-size:13px;line-height:1.7}
.about-detail .patent-strip{margin-top:auto}
.about-detail .about-img{min-height:0;padding:18px}
.about-detail .about-img img{height:100%;width:auto;max-width:100%;max-height:100%;object-fit:contain}
.about-lead{color:var(--muted);font-size:14.6px;line-height:1.8;margin-top:16px}
.about-keys{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.about-keys li{padding-left:16px;position:relative}
.about-keys li::before{content:"";position:absolute;left:0;top:7px;width:3px;height:13px;border-radius:2px;background:var(--brand)}
.about-keys b{display:block;font-size:14.4px;color:var(--ink);font-weight:700;line-height:1.5}
.about-keys span{display:block;font-size:13.4px;color:var(--muted);line-height:1.75;margin-top:3px}
.about-img{background:linear-gradient(180deg,#fbfcfd,#f3f7fa);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;align-items:center;justify-content:center;min-height:380px}
.about-img img{max-height:100%;object-fit:contain}
.about-img img{width:100%;max-height:400px;object-fit:contain;mix-blend-mode:multiply}
.about-txt h2{font-size:30px;margin-bottom:16px}
.about-txt p{color:var(--muted);font-size:14.8px;line-height:1.85;margin-bottom:14px}
.patent-strip{display:flex;align-items:center;gap:12px;margin-top:26px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);font-size:13.5px}
.patent-strip .ps-i{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;flex:none}
.patent-strip .ps-i svg{width:14px;height:14px}
.patent-strip b{font-size:15px}
.patent-strip .sec-more{margin-left:auto}

/* ---------- video ---------- */
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vc{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;position:relative;display:flex;flex-direction:column}
.vc-frame{aspect-ratio:16/9;background:linear-gradient(180deg,#eef3f8,#e2e9f0);position:relative;flex:none;overflow:hidden}
.vc-frame iframe{width:100%;height:100%;border:0;display:block}
.vc-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.vc-fallback{position:absolute;inset:0;background:linear-gradient(135deg,#dde7f0,#cbd8e4)}
.vc-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border:0;background:rgba(8,18,28,.18);cursor:pointer;transition:.2s}
.vc-play span{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.96);color:var(--brand);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 22px rgba(0,0,0,.28);transition:.2s}
.vc-play:hover{background:rgba(8,18,28,.26)}
.vc-play:hover span{transform:scale(1.08)}
.vc-play svg{width:24px;height:24px;margin-inline-start:2px}
.vc-frame video{position:absolute;inset:0;width:100%;height:100%;display:block;background:#0b1218;object-fit:contain}
.vc-k{position:absolute;top:10px;left:10px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.02em;padding:4px 9px;border-radius:3px;background:rgba(13,90,150,.92);color:#fff;backdrop-filter:blur(2px)}
.vc-k.tut{background:rgba(20,140,95,.92)}
.vc-k.both{background:rgba(13,90,150,.92)}
.vc h3{font-size:15px;padding:15px 17px 5px}
.vc p{font-size:12.8px;color:var(--muted);padding:0 17px 15px}
.vc-wide{max-width:860px}
/* 视频分类筛选 */
.vtabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;border-bottom:1px solid var(--line2);padding-bottom:0}
.vt{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--ink2);padding:10px 4px 12px;margin-right:18px;position:relative;border-bottom:2px solid transparent;font-weight:500}
.vt i{font-style:normal;font-size:11.5px;color:var(--muted);background:var(--bg2);border-radius:999px;padding:1px 7px;font-weight:700}
.vt:hover{color:var(--brand)}
.vt.on{color:var(--brand);font-weight:700;border-bottom-color:var(--brand)}
.vt.on i{background:var(--brand-soft);color:var(--brand)}

/* ---------- contact section on home ---------- */
.sec-contact{background:var(--bg2);border-top:1px solid var(--line)}
.clgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cl{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:6px 0 8px}
.cl h3{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:16px 20px 10px;font-weight:700}
.cl-row{display:flex;align-items:center;gap:12px;padding:11px 20px;border-top:1px solid var(--line2);transition:.15s}
.cl-row:hover{background:var(--brand-soft)}
.cl-n{font-size:13.5px;font-weight:600;display:flex;flex-direction:column;line-height:1.35;flex:1;min-width:0}
.cl-n i{font-style:normal;font-size:11.5px;color:var(--muted);font-weight:400;margin-top:2px}
.cl-v{font-size:13.5px;color:var(--ink2);font-variant-numeric:tabular-nums;white-space:nowrap}
.cl-wa{color:var(--wa);width:16px;height:16px;flex:none}
.cl-wa svg{width:16px;height:16px}
.cl-addr{display:flex;gap:9px;align-items:flex-start;margin-top:24px;font-size:13px;color:var(--muted)}
.cl-addr svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--brand)}

/* ---------- page head ---------- */
.ph{background:var(--bg2);border-bottom:1px solid var(--line);padding:56px 0 44px}
.ph-sm{padding:20px 0;background:#fff}
.ph h1{font-size:clamp(26px,2.6vw,34px)}
.ph-d{color:var(--muted);margin-top:10px;max-width:48em;font-size:15px}
.crumb{display:flex;gap:9px;align-items:center;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;color:#c8d2dc}
.crumb span{color:var(--ink2)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chip{padding:8px 16px;border:1px solid #d7e0e8;border-radius:999px;font-size:13px;color:var(--ink2);background:#fff;transition:.15s}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chips-static li{border:1px solid var(--line);border-radius:999px;padding:8px 18px;font-size:13.5px;color:var(--ink2);background:#fff}

/* ---------- product detail ---------- */
.pdet{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.pdet-main{aspect-ratio:1/1;background:linear-gradient(180deg,#fbfcfd,#f4f8fa);border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;overflow:hidden}
.pdet-main img{width:100%;height:100%;object-fit:contain;padding:14px}
.pdet-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:76px;height:66px;padding:3px;border:1px solid var(--line);border-radius:5px;background:#fff;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:contain}
.thumb.on{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}
.pdet-info h1{font-size:clamp(23px,2.3vw,30px);margin-bottom:10px}
.pdet-model{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.pdet-model b{color:var(--ink2)}
.pdet-sum{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:22px}
.pdet-key{border-top:1px solid var(--line)}
.pdet-key li{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid var(--line2);font-size:13.5px}
.pdet-key span{color:var(--muted)}
.pdet-key b{font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.pdet-act{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.pdet-body{max-width:840px}
.pdet-body p{color:var(--ink2);font-size:15.2px;line-height:1.9;margin-bottom:16px}
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.feats li{display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;font-size:13.5px;line-height:1.6}
.feats li svg{width:16px;height:16px;color:var(--brand);flex:none;margin-top:2px}

/* ---------- tables ---------- */
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:auto;background:#fff}
.spec{width:100%;border-collapse:collapse;font-size:14px}
.spec th,.spec td{padding:14px 20px;border-bottom:1px solid var(--line2);text-align:left;vertical-align:top}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:36%;font-weight:500;color:var(--muted);background:#fafcfd}
.spec td{color:var(--ink2)}
.dl{width:100%;border-collapse:collapse;font-size:14px}
.dl th{text-align:left;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:#fafcfd;padding:12px 18px;border-bottom:1px solid var(--line);font-weight:700;white-space:nowrap}
.dl td{padding:15px 18px;border-bottom:1px solid var(--line2);vertical-align:middle}
.dl tr:last-child td{border-bottom:0}
.dl-name b{font-weight:600;display:block;font-size:14.5px}
.dl-name span{font-size:12.5px;color:var(--muted);display:block;margin-top:3px}
.dl-type{white-space:nowrap}
.tagf{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;padding:3px 8px;border-radius:4px;background:var(--brand-soft);color:var(--brand)}
.dl-size{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.dl-act{text-align:right;white-space:nowrap}

/* ---------- patents / addr ---------- */
.patents{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.patents li{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 18px}
.pt-thumb{position:relative;flex:none;width:52px;height:66px;border:1px solid var(--line);border-radius:4px;background:#f7fafc;overflow:hidden;padding:0}
.pt-thumb img{width:100%;height:100%;object-fit:contain;background:#fff}
.pt-zoom{position:absolute;inset:0;margin:auto;width:24px;height:24px;border-radius:50%;background:rgba(13,90,150,.86);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;transition:.18s}
.pt-zoom svg{width:12px;height:12px}
.pt-thumb:hover .pt-zoom{opacity:1}
.pt-txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.patents .pt-i{width:24px;height:24px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.patents .pt-i svg{width:13px;height:13px}

/* 证书展示 */
.certgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1020px}
.cert{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.cert-img{position:relative;display:block;width:100%;padding:10px;border:0;background:#f5f8fa;overflow:hidden;aspect-ratio:571/767;box-sizing:border-box}
.cert-img img{width:100%;height:100%;object-fit:contain;transition:.25s}
.cert-img:hover img{transform:scale(1.02)}
.cert-zoom{position:absolute;inset:0;margin:auto;width:46px;height:46px;border-radius:50%;background:rgba(13,90,150,.9);color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;transition:.2s;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.cert-zoom svg{width:19px;height:19px}
.cert-img:hover .cert-zoom{opacity:1}
.cert figcaption{padding:14px 16px 16px;display:flex;flex-direction:column;gap:5px;border-top:1px solid var(--line2)}
.cert figcaption b{font-size:13.8px;font-weight:600;line-height:1.45}
.cert figcaption span{font-size:11.5px;color:var(--muted);letter-spacing:.02em}

/* 图片放大弹层 */
.imgmodal{position:fixed;inset:0;z-index:130;background:rgba(8,14,20,.92);display:none;align-items:center;justify-content:center;padding:28px}
.imgmodal.on{display:flex}
.imgmodal img{max-width:100%;max-height:88vh;border-radius:4px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.imgmodal-x{position:absolute;top:18px;right:22px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);border:0;color:#fff;display:flex;align-items:center;justify-content:center}
.imgmodal-x svg{width:16px;height:16px}
.imgmodal-x:hover{background:rgba(255,255,255,.22)}
.imgmodal-cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;color:#c9d5e0;font-size:13px}
.pt-i{width:24px;height:24px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;flex:none}
.pt-i svg{width:13px;height:13px}
.pt-t{font-size:13.8px;font-weight:600;flex:1}
.pt-n{font-size:11.5px;color:var(--muted);white-space:nowrap;letter-spacing:.02em}
.addr2{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.addr2 p{display:flex;gap:10px;font-size:13.5px;color:var(--ink2);line-height:1.7}
.addr2 svg{width:15px;height:15px;flex:none;margin-top:4px;color:var(--brand)}
.addr2 b{font-weight:600;color:var(--ink)}
.addr2-c{display:inline-block;margin-top:6px;font-size:13.6px;color:var(--ink2);font-variant-numeric:tabular-nums}
.addr2-c a{color:var(--brand);font-weight:600}
.addr2-c a:hover{text-decoration:underline}
.addr2-c i{font-style:normal;color:var(--muted);font-size:12.5px}
.addr2-about{margin-bottom:6px}
.addr2-about p{margin-bottom:22px}

/* ---------- contact page ---------- */
.cgrid{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start}
.cc{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-bottom:14px;padding:4px 0 6px}
.cc h3{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:15px 20px 9px;font-weight:700}
.cc-row{display:flex;align-items:center;gap:14px;padding:11px 20px;border-top:1px solid var(--line2);flex-wrap:wrap}
.cc-n{font-size:14px;font-weight:600;display:flex;flex-direction:column;line-height:1.35;flex:1;min-width:110px}
.cc-n i{font-style:normal;font-size:11.5px;color:var(--muted);font-weight:400;margin-top:2px}
.cc-l{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.cc-l a{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink2);font-variant-numeric:tabular-nums}
.cc-l a svg{width:14px;height:14px;color:var(--brand)}
.cc-l a:hover{color:var(--brand)}
.cc-wa{color:var(--ok)!important}
.cc-wa svg{color:var(--wa)!important;width:15px;height:15px}
.c-right{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:0;overflow:hidden}
.c-right h2{font-size:21px}
.c-sub{color:var(--muted);font-size:13.5px;margin:9px 0 24px}

/* 对话窗口 */
.chat{display:flex;flex-direction:column;min-height:660px}
.chat-hd{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line2);background:#f7fafd;flex:none}
.chat-av{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.03em;display:grid;place-items:center;flex:none}
.chat-who{display:flex;flex-direction:column;line-height:1.35;flex:1;min-width:0}
.chat-who b{font-size:14.5px;color:var(--ink)}
.chat-who i{font-style:normal;font-size:11.5px;color:var(--muted);display:flex;align-items:center;gap:7px;margin-top:2px}
.chat-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;display:inline-block;box-shadow:0 0 0 3px rgba(34,197,94,.16);flex:none}
.chat-new{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink2);font-size:16px;line-height:1;cursor:pointer;flex:none}
.chat-new:hover{border-color:var(--brand);color:var(--brand)}
.chat-body{flex:1 1 auto;min-height:150px;overflow-y:auto;padding:20px 18px;display:flex;flex-direction:column;gap:12px;background:#fbfcfd;scroll-behavior:smooth}
.cb-row{display:flex;flex:none}
.chat-body>.cb-row:first-child{margin-top:auto}
.cb-row.in{justify-content:flex-start}
.cb-row.out{justify-content:flex-end}
.cb{max-width:82%;padding:11px 14px;border-radius:14px;font-size:14px;line-height:1.65;white-space:pre-wrap;word-break:break-word}
.cb-row.in .cb{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;color:var(--ink2)}
.cb-row.out .cb{background:var(--brand);color:#fff;border-bottom-right-radius:5px}
.cb-t{display:block;font-size:10.5px;color:var(--muted);margin-bottom:5px;font-weight:700;letter-spacing:.04em}
.cb-row.out .cb-t{color:rgba(255,255,255,.78)}
.chat-start{padding:16px 18px 18px;border-top:1px solid var(--line2);background:#fff;flex:none}
.cs-t{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:12px}
.chat-start .mform textarea{min-height:72px}
.chat-in{display:flex;gap:10px;padding:12px 14px;border-top:1px solid var(--line2);background:#fff;flex:none}
.chat-in input{flex:1;border:1px solid #dde5ec;border-radius:22px;padding:11px 16px;font-size:14px;background:#fff;color:var(--ink);transition:.15s;min-width:0}
.chat-in input:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.chat-send{width:40px;height:40px;border-radius:50%;border:0;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none;transition:.15s}
.chat-send:hover{background:var(--brand-d, #0a4a7d)}
.chat-send:disabled{opacity:.45;cursor:default}
.chat-send svg{width:19px;height:19px}
.chat-in[hidden],.chat-start[hidden],.chat-new[hidden]{display:none}

.mform label{display:flex;flex-direction:column;gap:7px;font-size:12.8px;color:var(--ink2);font-weight:600}
.mform label i{font-style:normal;color:#9dabb8;font-weight:400;font-size:11px}
.mform input,.mform select,.mform textarea{border:1px solid #dde5ec;border-radius:5px;padding:11px 13px;font-size:14px;background:#fff;color:var(--ink);transition:.15s;width:100%;font-weight:400}
.mform input:focus,.mform select:focus,.mform textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.mform textarea{resize:vertical;min-height:126px;line-height:1.7}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.fblock{margin-bottom:16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.fmsg{font-size:13.5px;margin-top:12px;min-height:20px}
.fmsg.ok{color:var(--ok)}
.fmsg.err{color:var(--err)}
.nf{text-align:center;padding:90px 0}
.nf h1{font-size:64px;letter-spacing:-.03em;margin-bottom:12px}
.nf p{color:var(--muted);margin-bottom:28px}

/* ---------- footer ---------- */
.ft{background:#f8fafc;border-top:1px solid var(--line);color:var(--muted);margin-top:0}
.ft .wrap{max-width:1320px}
.ft-in{display:flex;flex-direction:column;align-items:center;text-align:center;gap:0;padding:48px 0 34px;width:100%}
.ft-brand{display:inline-flex;align-items:center}
.ft-brand .brand-logo{height:62px;width:136px}
.ft-cn{font-size:29px;font-weight:700;color:var(--ink);letter-spacing:.28em;text-indent:.28em;margin-top:22px;line-height:1.45}
.ft-en{font-size:16px;color:#7f8d9a;letter-spacing:.18em;text-indent:.18em;margin-top:10px;line-height:1.55}
.ft-cn-en{font-size:21px;letter-spacing:.10em;text-indent:.10em;line-height:1.4}
.ft-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:0;margin-top:26px;width:100%;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.ft-nav a{flex:1 1 0;min-width:0;font-size:15.5px;color:var(--ink2);padding:17px 8px;position:relative;transition:.15s;letter-spacing:.06em;white-space:nowrap}
.ft-nav a+a::before{content:"";position:absolute;left:0;top:50%;width:1px;height:14px;margin-top:-7px;background:var(--line)}
.ft-nav a:hover{color:var(--brand)}
.ft-addr{display:flex;align-items:flex-start;justify-content:center;gap:8px;font-size:14.5px;line-height:1.8;color:#78878F;margin-top:28px;width:100%}
.ft-addr svg{width:14px;height:14px;flex:none;margin-top:4px;color:#a9b7c3}
.ft-addr-en{margin-top:10px;padding-left:0;font-size:13.2px;line-height:1.75;width:100%}
.ft-bar{border-top:1px solid var(--line2);padding:16px 0;font-size:12.6px;color:#8b99a6;text-align:center;background:#f2f6fa}

/* ---------- contact dock ---------- */
.dk{position:fixed;right:24px;bottom:24px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.dk-btn{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border:0;border-radius:50%;background:var(--brand);color:#fff;box-shadow:0 8px 26px rgba(13,90,150,.32);transition:.18s}
.dk-btn:hover{background:var(--brand-d);transform:translateY(-2px)}
.dk-btn svg{width:22px;height:22px}
.dk-btn span{display:none}
.dk.open .dk-btn{display:none}
.dk-panel[hidden]{display:none}
.dk-panel{width:372px;max-width:calc(100vw - 32px);max-height:calc(100vh - 48px);display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px rgba(16,24,32,.16);overflow:hidden;animation:dkIn .18s ease-out}
@keyframes dkIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.dk-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 6px}
.dk-hd b{font-size:15px}
.dk-x{width:28px;height:28px;border:0;background:var(--bg2);border-radius:50%;color:var(--muted);display:flex;align-items:center;justify-content:center}
.dk-x:hover{background:#e9eef3;color:var(--ink)}
.dk-x svg{width:13px;height:13px}
.dk-hint{font-size:12px;color:var(--muted);padding:0 18px 12px}
.dk-body{flex:1;overflow:auto;border-top:1px solid var(--line2);padding-bottom:6px;-webkit-overflow-scrolling:touch}
.dk-g h5{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:13px 18px 7px;font-weight:700;background:#fafcfd;border-bottom:1px solid var(--line2);margin:0}
.dk-row{display:flex;align-items:center;gap:10px;padding:10px 18px;border-bottom:1px solid var(--line2)}
.dk-row:last-child{border-bottom:0}
.dk-n{display:flex;flex-direction:column;font-size:13px;font-weight:600;line-height:1.3;flex:1;min-width:0}
.dk-n i{font-style:normal;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}
.dk-links{display:flex;align-items:center;gap:8px}
.dk-links a{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink2);font-variant-numeric:tabular-nums;white-space:nowrap}
.dk-links a:hover{color:var(--brand)}
.dk-links a svg{width:13px;height:13px;color:var(--brand)}
.dk-links a.dk-wa{width:24px;height:24px;justify-content:center;border-radius:50%;background:#eaf9f0}
.dk-links a.dk-wa svg{width:14px;height:14px;color:var(--wa)}
.dk-cta{display:flex;align-items:center;justify-content:center;gap:8px;height:46px;flex:none;background:var(--brand);color:#fff;font-size:14px;font-weight:600}
.dk-cta:hover{background:var(--brand-d)}
.dk-cta svg{width:16px;height:16px}

/* ---------- video modal ---------- */
.vmodal{position:fixed;inset:0;z-index:120;background:rgba(8,14,20,.9);display:none;align-items:center;justify-content:center;padding:24px}
.vmodal.on{display:flex}
.vmodal-in{width:min(1020px,100%);background:#000;border-radius:8px;overflow:hidden;position:relative}
.vmodal video{width:100%;height:auto;display:block;max-height:82vh;background:#000}
.vmodal-x{position:absolute;top:-44px;right:0;background:transparent;border:0;color:#fff;font-size:26px;line-height:1}
.vmodal-h{color:#fff;font-size:13.5px;position:absolute;top:-38px;left:0;opacity:.75}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .hero-in{grid-template-columns:1fr;gap:36px;padding:52px 28px 48px}
  .hero-art{min-height:300px;order:-1}
  .hero-slides{height:300px}
  .hero-slide img{max-height:300px}
  .apps-in{flex-direction:column;align-items:flex-start;gap:16px}
  .apps-l{width:100%;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 0}
  .apps-l li{border-left:0;padding-left:0}
  .wygrid{grid-template-columns:repeat(2,1fr)}
  .clgrid{grid-template-columns:1fr}
  .pgrid,.vgrid,.feats{grid-template-columns:repeat(2,1fr)}
  .pdet{grid-template-columns:1fr;gap:32px}
  .cgrid{grid-template-columns:1fr;gap:32px}
  .chat{min-height:640px}
  .about{grid-template-columns:1fr;gap:32px}
  .about-home .patent-strip{margin-top:22px}
  .about-keys{margin-top:18px;gap:13px}
  .about-img{min-height:280px}
  .about-detail{grid-template-columns:1fr;gap:26px}
  .about-detail .about-txt{padding:0}
  .about-detail .about-txt h2{font-size:23px}
  .about-detail .about-img{justify-self:center;width:auto;padding:14px;align-self:start}
  .about-detail .about-img img{height:340px;width:auto;max-height:none}
  .about-detail .patent-strip{margin-top:22px}
  .about-detail .about-keys{gap:15px}
  .ft-in{padding:38px 0 28px}
  .sec{padding:42px 0}
  .patents{grid-template-columns:1fr}
  .certgrid{grid-template-columns:repeat(2,1fr)}
}
/* 矮屏（1366x768 等）：首屏压缩纵向节奏，保证数据条在首屏内 */
@media (min-width:981px) and (max-height:860px){
  .hero-in{padding:40px 28px 40px}
  .hero-txt h1{font-size:clamp(26px,2.7vw,36px)}
  .lead{font-size:14px;margin-top:12px;line-height:1.68}
  .lead2{font-size:13.4px;margin-top:8px;line-height:1.7}
  .hero-tags{margin-top:11px;gap:7px}
  .hero-tags li{font-size:11.8px;padding:4px 11px}
  .hero-act{margin-top:16px}
  .hero-stats{padding-top:16px}
  .hero-stats b{font-size:22px}
}
@media (max-width:980px){
  .burger{display:flex}
  .hd-tel{display:none}
  .lang-lbl{display:none}
  .nav{position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:10px 18px 18px;gap:2px;display:none;box-shadow:0 14px 30px rgba(16,24,32,.08);margin-left:0}
  .nav.open{display:flex}
  .nav a{padding:12px 12px;font-size:15px}
  .hd-in{gap:14px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .hero-in{padding:36px 20px 40px}
  .hero-txt h1{font-size:27px}
  .lead{font-size:14.2px;margin-top:14px}
  .lead2{font-size:13.6px;margin-top:9px}
  .hero-tags{gap:6px;margin-top:13px}
  .hero-tags li{font-size:11.4px;padding:4px 10px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 0;margin-top:32px}
  .hero-stats li:nth-child(3){padding-left:0;border-left:0}
  .sec{padding:34px 0}
  .sec-h{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-h h2,.sec-h2,.about-txt h2,.ph h1,.pdet-info h1{font-size:22px}
  .pgrid,.vgrid,.wygrid,.feats{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
  .c-right{padding:0}
  .chat{min-height:520px}
  .chat-body{padding:16px 14px}
  .chat-start{padding:14px}
  .cb{max-width:88%}
  .dl th:nth-child(3),.dl .dl-size{display:none}
  .ft-in{padding:30px 0 22px}
  .ft-cn{font-size:16px;margin-top:14px;letter-spacing:.06em;text-indent:.06em;padding:0 6px}
  .ft-en{font-size:11.5px;letter-spacing:.04em;text-indent:.04em;padding:0 10px}
  .ft-nav{margin-top:18px;flex-wrap:wrap}
  .ft-nav a{flex:1 1 25%;font-size:12.6px;padding:11px 4px;border-bottom:1px solid var(--line2);letter-spacing:0}
  .ft-nav a:nth-child(4n+1)::before{display:none}
  .ft-addr{margin-top:16px;font-size:11.8px;text-align:center;padding:0 6px}
  .ft-addr-en{margin-top:5px;padding-left:0;font-size:11.4px}
  .ft-brand .brand-logo{height:40px;width:88px}
  .ft{padding-bottom:56px}
  .ft-addr{padding:0 44px 0 12px}
  .ph{padding:38px 0 32px}
  .dk{right:16px;bottom:16px}
  .dk-btn{width:52px;height:52px}
  .cc-row{flex-direction:column;align-items:flex-start;gap:6px}
  .apps-l{grid-template-columns:1fr 1fr;gap:14px}
  .patents li{flex-wrap:nowrap}
  .certgrid{grid-template-columns:1fr}
  .brand-logo{height:26px}
}


/* ---------- 公告条 ---------- */
.abar{background:#0d1620;color:#c9d5e0;font-size:13px}
.abar-in{display:flex;align-items:center;gap:12px;height:40px}
.abar-tag{flex:none;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:#7fb2dd;background:rgba(255,255,255,.07);border-radius:3px;padding:3px 7px}
.abar-txt{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#e6eef6}
.abar-txt:hover{text-decoration:underline}
.abar-more{flex:none;display:inline-flex;align-items:center;gap:5px;font-size:12px;color:#8ea6bd}
.abar-more svg{width:13px;height:13px}
.abar-more:hover{color:#fff}
.abar-x{flex:none;width:22px;height:22px;border:0;background:transparent;color:#6f8496;display:flex;align-items:center;justify-content:center;border-radius:50%}
.abar-x svg{width:12px;height:12px}
.abar-x:hover{background:rgba(255,255,255,.1);color:#fff}
.abar.hide{display:none}

/* ---------- 公告列表 ---------- */
.newslist{border-top:1px solid var(--line)}
.nr{display:flex;align-items:flex-start;gap:24px;padding:22px 4px;border-bottom:1px solid var(--line);transition:.16s}
.nr:hover{background:#fbfdff;padding-left:12px;padding-right:12px}
.nr-date{flex:none;width:64px;display:flex;flex-direction:column;line-height:1;padding-top:3px}
.nr-date b{font-size:23px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.nr-date i{font-style:normal;font-size:11px;color:var(--muted);margin-top:6px;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.nr-txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.nr-t{font-size:16px;font-weight:600;line-height:1.45;display:block}
.nr-pin{display:inline-block;font-style:normal;font-size:9.5px;font-weight:800;letter-spacing:.08em;color:#fff;background:var(--brand);border-radius:3px;padding:2px 5px;margin-right:8px;vertical-align:2px}
.nr-s{font-size:13px;color:var(--muted);line-height:1.6;display:block}
.nr-go{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);color:var(--brand);display:flex;align-items:center;justify-content:center;margin-top:2px;transition:.16s}
.nr-go svg{width:13px;height:13px}
.nr:hover .nr-go{background:var(--brand);border-color:var(--brand);color:#fff}
.nr:hover .nr-go svg{transform:none}

/* ---------- 活动卡片 ---------- */
.egrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ec{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.2s}
.ec:hover{border-color:#c6d6e3;box-shadow:var(--sh);transform:translateY(-3px)}
.ec-media{position:relative;display:block;aspect-ratio:16/10;background:linear-gradient(140deg,#eaf2f9,#dfeaf4);overflow:hidden}
.ec-media img{width:100%;height:100%;object-fit:cover}
.ec-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:12px;letter-spacing:.2em;color:#9fb4c6;font-weight:700;text-transform:uppercase}
.ec-date{position:absolute;left:14px;top:14px;background:#fff;border-radius:6px;padding:7px 10px;text-align:center;box-shadow:var(--sh-sm);line-height:1}
.ec-date b{display:block;font-size:18px;font-weight:700;letter-spacing:-.02em}
.ec-date i{display:block;font-style:normal;font-size:9.5px;color:var(--muted);margin-top:4px;letter-spacing:.03em}
.ec-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.ec-t{font-size:16px;font-weight:600;line-height:1.45}
.ec-m{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted);margin-top:auto}
.ec-m span{display:flex;align-items:center;gap:6px;line-height:1.4}
.ec-m svg{width:14px;height:14px;flex:none;color:var(--brand)}
.ec-b{align-self:flex-start;background:var(--brand-soft);color:var(--brand);border-radius:4px;padding:2px 8px;font-weight:600}
.empty-wrap{display:flex;flex-direction:column;align-items:center;gap:18px}
.empty-wrap .empty{width:100%}

/* ---------- 文章页 ---------- */
.art{max-width:820px}
.art-back{display:inline-flex;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:22px}
.art-back::before{content:"←";margin-right:6px}
.art-back:hover{color:var(--brand)}
.art-meta{font-size:12.5px;color:var(--muted);letter-spacing:.03em;margin-bottom:12px}
.art-meta em{font-style:normal;color:var(--brand);font-weight:700;font-size:11px;letter-spacing:.08em}
.art h1{font-size:clamp(23px,2.5vw,31px);line-height:1.34;margin-bottom:16px}
.art-lead{font-size:15.5px;color:var(--muted);line-height:1.85;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px}
.art-cover{margin:26px 0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.art-body p{font-size:15.5px;line-height:1.95;color:var(--ink2);margin-bottom:18px}
.art-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.pinfo{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin-bottom:8px}
.pinfo>div{display:flex;flex-direction:column;gap:5px}
.pinfo span{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.pinfo b{font-size:14px;font-weight:600}

@media (max-width:1180px){
  .nav a{padding:9px 8px;font-size:13px}
}
@media (max-width:1100px){
  .egrid{grid-template-columns:repeat(2,1fr)}
  .pinfo{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav{font-size:14px}
  .nr{gap:16px;padding:18px 2px}
  .nr-date{width:58px}
  .nr-date b{font-size:19px}
}
@media (max-width:640px){
  .egrid{grid-template-columns:1fr}
  .abar-in{height:auto;padding:9px 0;gap:9px;flex-wrap:wrap}
  .abar-txt{flex:1 1 100%;white-space:normal;order:3;font-size:12.5px;line-height:1.5}
  .nr{flex-wrap:wrap;gap:10px}
  .nr-go{display:none}
  .art h1{font-size:21px}
  .art-body p,.art-lead{font-size:14.8px}
}

/* ---------- RTL（阿拉伯语等） ---------- */
[dir="rtl"] body{direction:rtl}
[dir="rtl"] .ft-nav a+a::before{left:auto;right:0}
[dir="rtl"] .about-keys li{padding-left:0;padding-right:16px}
[dir="rtl"] .about-detail .sec-more svg{transform:scaleX(-1)}
[dir="rtl"] .hero-tags li::before{order:2}
[dir="rtl"] .about-keys li::before{left:auto;right:0}
[dir="rtl"] .ft-addr-en{padding-left:0;padding-right:21px}
[dir="rtl"] .patent-strip .sec-more{margin-left:0;margin-right:auto}
[dir="rtl"] .sec-more svg,[dir="rtl"] .btn svg{transform:scaleX(-1)}
[dir="rtl"] .sec-more:hover svg{transform:scaleX(-1) translateX(3px)}
[dir="rtl"] .lang-dd summary,[dir="rtl"] .hd-tel{direction:ltr}
[dir="rtl"] .lang-lbl{direction:rtl}
[dir="rtl"] .lg-menu{inset-inline-end:auto;inset-inline-start:0}
[dir="rtl"] .cl-wa,[dir="rtl"] .cl-v{direction:ltr}
[dir="rtl"] .pt-txt,[dir="rtl"] .pt-n{direction:ltr;unicode-bidi:plaintext}