/* ==========================================================================
   广州博株生物 BOZHU BIOTECH —— 蓝色科技主调 设计系统
   信号色：科学蓝 #1559E0 + 生物荧光青 #16D2D9；等宽字体做"实验数据"标签
   ========================================================================== */
:root{
  --navy:#0a1a35; --navy2:#102a52; --navy3:#16356a;
  --blue:#1559e0; --blue-d:#0e44b4; --blue-l:#4d86f5;
  --cyan:#16d2d9; --cyan-d:#0fb4ba;
  --sky:#eaf1fd; --paper:#f5f8fe; --white:#fff;
  --ink:#13233f; --muted:#5c6b86; --faint:#8a98b0;
  --line:#e2e9f4; --line-d:rgba(255,255,255,.12);
  --grad:linear-gradient(120deg,var(--blue),var(--cyan));
  --grad-soft:linear-gradient(120deg,#1559e0 0%,#1f7ce6 50%,#16d2d9 100%);
  --shadow:0 6px 28px rgba(15,40,90,.08);
  --shadow-lg:0 18px 50px rgba(15,40,90,.16);
  --glow:0 0 0 1px rgba(22,210,217,.4),0 8px 30px rgba(22,210,217,.22);
  --sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --wrap:1240px; --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:15px;line-height:1.72;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* 等宽数据标签 —— 全站签名元素 */
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-d);display:inline-flex;align-items:center;gap:8px;font-weight:600}
.eyebrow::before{content:"//";color:var(--blue);opacity:.7}
.eyebrow.on-dark{color:var(--cyan)}
.eyebrow.on-dark::before{color:var(--cyan);opacity:.6}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:13px 26px;border-radius:40px;cursor:pointer;border:0;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(21,89,224,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(22,210,217,.4)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-light{background:#fff;color:var(--blue);box-shadow:var(--shadow)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--navy);color:#9fb2d4;font-size:12.5px;font-family:var(--mono);letter-spacing:.02em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar .hot{color:var(--cyan)}
.topbar a{margin-left:16px;color:#9fb2d4}
.topbar a:hover{color:#fff}

/* ---------- 页头 ---------- */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;height:74px;gap:30px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo .mark{width:42px;height:42px;border-radius:11px;background:var(--grad);position:relative;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:20px;box-shadow:0 6px 16px rgba(21,89,224,.3)}
.logo .mark::after{content:"";position:absolute;inset:0;border-radius:11px;border:1px solid rgba(255,255,255,.35)}
.logo b{display:block;font-size:20px;letter-spacing:.5px;line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.logo span{font-family:var(--mono);font-size:10px;letter-spacing:.26em;color:var(--faint);text-transform:uppercase}

.nav{margin-left:auto;display:flex;height:74px}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;height:74px;padding:0 17px;font-size:15.5px;font-weight:500;color:var(--ink);position:relative}
.nav>li>a .caret{font-size:9px;margin-left:5px;opacity:.5}
.nav>li>a::after{content:"";position:absolute;left:17px;right:17px;bottom:20px;height:2.5px;border-radius:3px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.28s}
.nav>li:hover>a,.nav>li.active>a{color:var(--blue)}
.nav>li:hover>a::after,.nav>li.active>a::after{transform:scaleX(1)}
.nav .drop{position:absolute;top:74px;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);min-width:190px;padding:9px;opacity:0;visibility:hidden;transition:.24s}
.nav>li:hover .drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .drop a{display:block;padding:10px 14px;border-radius:8px;font-size:14px;color:#42506b;white-space:nowrap}
.nav .drop a:hover{background:var(--sky);color:var(--blue)}
.hsearch{display:flex;align-items:center;height:40px;background:var(--sky);border-radius:30px;padding:0 6px 0 16px;transition:.25s}
.hsearch:focus-within{box-shadow:0 0 0 2px var(--blue-l)}
.hsearch input{border:0;background:transparent;outline:0;width:120px;font-size:13px;color:var(--ink)}
.hsearch button{border:0;width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;margin-left:auto;padding:8px}
.burger span{width:25px;height:2.5px;background:var(--blue);border-radius:3px}

/* ---------- HERO（签名区）---------- */
.hero{position:relative;background:radial-gradient(120% 130% at 80% -10%,#16356a 0%,#0a1a35 55%);color:#fff;overflow:hidden}
#nodes{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.hero::before{content:"";position:absolute;inset:0;z-index:1;background:
  radial-gradient(40% 50% at 85% 30%,rgba(22,210,217,.16),transparent 70%),
  linear-gradient(transparent 95%,rgba(255,255,255,.04) 95%) 0 0/100% 28px,
  linear-gradient(90deg,transparent 95%,rgba(255,255,255,.04) 95%) 0 0/28px 100%}
.hero .wrap{position:relative;z-index:2;padding:84px 24px 96px;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,4.4vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.5px;margin:20px 0 20px}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:17px;color:#c2d2ec;max-width:520px;margin-bottom:30px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero .chips{display:flex;flex-wrap:wrap;gap:10px}
.hero .chips a{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;padding:7px 15px;border-radius:30px;border:1px solid rgba(255,255,255,.18);color:#c2d2ec;background:rgba(255,255,255,.04)}
.hero .chips a:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(22,210,217,.08)}
.heropanel{position:relative}
.statcard{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:26px;backdrop-filter:blur(6px)}
.statcard .grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.statcard .s b{font-size:34px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.statcard .s span{display:block;font-size:13px;color:#9fb2d4;margin-top:6px}
.statcard .bar{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-family:var(--mono);font-size:12px;color:#9fb2d4;display:flex;align-items:center;gap:8px}
.statcard .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,210,217,.2);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(22,210,217,0)}}

/* 滚动公告 */
.ticker{background:var(--navy2);color:#c2d2ec;font-size:13px}
.ticker .wrap{display:flex;align-items:center;gap:14px;height:44px}
.ticker .tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--cyan);border:1px solid rgba(22,210,217,.4);padding:3px 10px;border-radius:20px;flex-shrink:0}
.ticker .roll{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.ticker a:hover{color:#fff}

/* ---------- 区块通用 ---------- */
.sec{padding:80px 0}
.sec.tint{background:var(--white)}
.shead{margin-bottom:42px;max-width:760px}
.shead.row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}
.shead h2{font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.5px;margin:14px 0 0;line-height:1.2}
.shead p{color:var(--muted);margin-top:12px;font-size:15.5px}
.morelink{font-family:var(--mono);font-size:13px;color:var(--blue);font-weight:600;flex-shrink:0;display:inline-flex;align-items:center;gap:6px}
.morelink:hover{gap:11px;color:var(--cyan-d)}

/* ---------- 产品分类 bento ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:1fr;gap:18px}
.bento .cat{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px;overflow:hidden;transition:.3s;display:flex;flex-direction:column;min-height:200px}
.bento .cat.feat{grid-row:span 2;background:radial-gradient(130% 120% at 100% 0%,var(--navy3),var(--navy));color:#fff;border-color:transparent}
.bento .cat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--blue-l)}
.bento .cat.feat:hover{box-shadow:var(--glow)}
.bento .cat .ic{width:50px;height:50px;border-radius:13px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:auto}
.bento .cat.feat .ic{background:rgba(22,210,217,.14);color:var(--cyan)}
.bento .cat .ic svg{width:26px;height:26px}
.bento .cat h3{font-size:19px;margin:18px 0 6px}
.bento .cat.feat h3{font-size:24px}
.bento .cat p{font-size:13.5px;color:var(--muted)}
.bento .cat.feat p{color:#aebfdb}
.bento .cat .n{position:absolute;top:24px;right:26px;font-family:var(--mono);font-size:12px;color:var(--faint)}
.bento .cat.feat .n{color:rgba(255,255,255,.4)}
.bento .cat .go{font-family:var(--mono);font-size:12px;color:var(--blue);margin-top:14px;opacity:0;transform:translateX(-6px);transition:.25s}
.bento .cat:hover .go{opacity:1;transform:translateX(0)}
.bento .cat.feat .go{color:var(--cyan)}

/* ---------- 产品卡片 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.28s}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--cyan)}
.pcard .ph{aspect-ratio:4/3;background:radial-gradient(circle at 30% 30%,#eaf1fd,#dce8fb);display:flex;align-items:center;justify-content:center;position:relative;color:var(--blue-l)}
.pcard .ph svg{width:46px;height:46px;opacity:.7}
.pcard .ph .spec{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;background:var(--navy);color:var(--cyan);padding:3px 9px;border-radius:20px}
.pcard .pb{padding:15px 16px}
.pcard .pb b{font-size:14.5px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:43px;line-height:1.45}
.pcard:hover .pb b{color:var(--blue)}
.pcard .pb .sku{font-family:var(--mono);font-size:11.5px;color:var(--faint);margin-top:8px;letter-spacing:.03em}

/* ---------- 品牌跑马灯 ---------- */
.brandwrap{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:center}
.brandfeat{background:radial-gradient(130% 120% at 0% 0%,var(--navy3),var(--navy));color:#fff;border-radius:var(--r);padding:34px}
.brandfeat .big{font-size:52px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.brandfeat p{color:#aebfdb;font-size:14px;margin:10px 0 22px}
.marquee{overflow:hidden;position:relative;-webkit-mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.mrow{display:flex;gap:16px;width:max-content;animation:scroll 38s linear infinite}
.mrow.r2{animation-duration:46s;animation-direction:reverse;margin-top:16px}
.marquee:hover .mrow{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.mrow .b{flex-shrink:0;width:158px;height:74px;background:var(--white);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#42506b;font-size:14.5px;letter-spacing:.02em}
.mrow .b:hover{border-color:var(--cyan);color:var(--blue);box-shadow:var(--shadow)}

/* ---------- 能力 / 服务 ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:30px;transition:.28s;position:relative;overflow:hidden}
.cap::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--grad);transition:.35s}
.cap:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.cap:hover::before{width:100%}
.cap .ic{width:54px;height:54px;border-radius:14px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.cap .ic svg{width:28px;height:28px}
.cap h3{font-size:18px;margin-bottom:8px}
.cap p{font-size:14px;color:var(--muted)}

/* ---------- 资讯 ---------- */
.news2{display:grid;grid-template-columns:1.1fr .9fr;gap:36px}
.feature{background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:.28s}
.feature:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature .ph{aspect-ratio:16/8;background:radial-gradient(120% 140% at 20% 10%,var(--navy3),var(--navy));position:relative}
.feature .ph .tag{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;background:rgba(22,210,217,.16);color:var(--cyan);padding:4px 12px;border-radius:20px}
.feature .fb{padding:24px}
.feature .fb h3{font-size:20px;line-height:1.4}
.feature:hover .fb h3{color:var(--blue)}
.feature .fb p{color:var(--muted);font-size:14px;margin-top:10px}
.feature .fb .date{font-family:var(--mono);font-size:12px;color:var(--faint);margin-top:14px}
.nlist li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.nlist li:first-child{padding-top:0}
.nlist li .d{font-family:var(--mono);font-size:12px;color:var(--blue);flex-shrink:0;width:78px}
.nlist li a{flex:1;font-size:15px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.nlist li a:hover{color:var(--blue)}

/* ---------- 询价 CTA 带 ---------- */
.ctaband{position:relative;background:radial-gradient(120% 200% at 100% 0%,var(--navy3),var(--navy));color:#fff;border-radius:24px;padding:54px;overflow:hidden;text-align:center}
.ctaband::after{content:"";position:absolute;inset:0;background:radial-gradient(40% 80% at 50% 120%,rgba(22,210,217,.25),transparent)}
.ctaband>*{position:relative;z-index:1}
.ctaband h2{font-size:clamp(26px,3vw,36px);font-weight:800;margin:14px 0}
.ctaband p{color:#aebfdb;max-width:560px;margin:0 auto 28px}
.ctaband .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 服务保障小条 ---------- */
.assure{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:54px}
.assure .a{display:flex;align-items:center;gap:12px}
.assure .a .ic{width:42px;height:42px;border-radius:11px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.assure .a .ic svg{width:22px;height:22px}
.assure .a b{font-size:14.5px;display:block}
.assure .a span{font-size:12px;color:var(--faint)}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:#9fb2d4;padding:62px 0 0;font-size:14px}
.foottop{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:28px;padding-bottom:42px;border-bottom:1px solid var(--line-d)}
.footer .logo b{font-size:21px}
.footer .fabout p{margin:16px 0;color:#8094b5;font-size:13.5px;max-width:280px}
.footer .fabout .tel{font-family:var(--mono);font-size:24px;color:#fff;font-weight:700}
.footer h4{color:#fff;font-size:14px;margin-bottom:16px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase}
.footer ul li{margin-bottom:10px}
.footer ul li a:hover{color:var(--cyan)}
.footer .qrs{display:flex;gap:12px}
.footer .qr .box{width:78px;height:78px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid var(--line-d);display:flex;align-items:center;justify-content:center;font-size:11px;color:#8094b5;text-align:center;margin-bottom:6px}
.footer .qr span{font-size:11px;font-family:var(--mono)}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:20px 0;font-size:12.5px;color:#6b7d9e;font-family:var(--mono)}
.copy a:hover{color:var(--cyan)}

/* ---------- 悬浮客服 ---------- */
.fixbar{position:fixed;right:18px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px}
.fixbar a{width:52px;height:52px;border-radius:15px;background:#fff;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;color:var(--blue);cursor:pointer;position:relative;border:1px solid var(--line)}
.fixbar a svg{width:20px;height:20px;margin-bottom:2px}
.fixbar a:hover{background:var(--grad);color:#fff;border-color:transparent}
.fixbar a:hover svg{stroke:#fff}
.fixbar a .pop{position:absolute;right:60px;bottom:0;background:#fff;color:var(--ink);box-shadow:var(--shadow-lg);border-radius:12px;padding:14px;width:160px;text-align:center;opacity:0;visibility:hidden;transform:translateX(8px);transition:.25s;font-size:13px}
.fixbar a:hover .pop{opacity:1;visibility:visible;transform:translateX(0)}
.fixbar a .pop b{color:var(--blue);font-family:var(--mono)}
.fixbar a .pop .box{width:120px;height:120px;border-radius:10px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;margin:0 auto 8px;font-size:12px}

/* ---------- 内页 ---------- */
.pbanner{position:relative;background:radial-gradient(120% 160% at 85% -20%,var(--navy3),var(--navy));color:#fff;padding:60px 0;overflow:hidden}
.pbanner::before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 95%,rgba(255,255,255,.05) 95%) 0 0/100% 26px,linear-gradient(90deg,transparent 95%,rgba(255,255,255,.05) 95%) 0 0/26px 100%}
.pbanner .wrap{position:relative}
.pbanner h1{font-size:36px;font-weight:800;letter-spacing:-.5px;margin-top:12px}
.pbanner .crumb{font-family:var(--mono);font-size:12.5px;color:#9fb2d4;margin-top:12px;letter-spacing:.04em}
.pbanner .crumb a:hover{color:var(--cyan)}
.inner{display:grid;grid-template-columns:248px 1fr;gap:34px;padding:54px 0}
.side{align-self:start;position:sticky;top:94px}
.side .box{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:18px}
.side .box>b{display:flex;align-items:center;gap:8px;background:var(--navy);color:#fff;padding:16px 20px;font-size:15px;font-family:var(--mono);letter-spacing:.04em}
.side .box>b::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan)}
.side .box ul li a{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-top:1px solid var(--line);color:#42506b;font-size:14px}
.side .box ul li a::after{content:"›";color:var(--faint)}
.side .box ul li a:hover,.side .box ul li a.on{background:var(--sky);color:var(--blue);font-weight:600}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px}
.card h2{font-size:24px;margin-bottom:16px;letter-spacing:-.3px}
.card h2 .eyebrow{display:block;margin-bottom:8px}
.card h3{font-size:18px;margin:24px 0 12px;color:var(--blue)}
.card p{margin-bottom:14px;color:#3b4a64}
.prose p{text-indent:2em;line-height:1.9}

.statrow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.statrow .s{background:var(--sky);border-radius:12px;padding:22px;text-align:center}
.statrow .s b{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.statrow .s span{font-size:13px;color:var(--muted);display:block;margin-top:4px}

.timeline{margin:8px 0 0;padding-left:26px;border-left:2px solid var(--sky)}
.timeline li{position:relative;padding-bottom:24px}
.timeline li::before{content:"";position:absolute;left:-33px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px var(--sky)}
.timeline li b{font-family:var(--mono);color:var(--blue);margin-right:12px;font-size:15px}

.azbar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:26px}
.azbar a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:#fff;border:1px solid var(--line);font-family:var(--mono);font-weight:600;color:#42506b;font-size:13px}
.azbar a:hover,.azbar a.on{background:var(--grad);color:#fff;border-color:transparent}
.bfull{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.bfull a{background:#fff;border:1px solid var(--line);border-radius:12px;height:78px;display:flex;align-items:center;justify-content:center;font-weight:700;color:#42506b;text-align:center;padding:8px;font-size:14px}
.bfull a:hover{border-color:var(--cyan);color:var(--blue);box-shadow:var(--shadow)}

.flist li{display:flex;gap:14px;align-items:baseline;padding:15px 0;border-bottom:1px solid var(--line)}
.flist li .d{font-family:var(--mono);font-size:12px;color:var(--blue);flex-shrink:0;width:90px}
.flist li a{flex:1;color:var(--ink)}
.flist li a:hover{color:var(--blue)}
.flist li .t{font-family:var(--mono);font-size:11px;color:var(--cyan-d);border:1px solid var(--line);padding:2px 9px;border-radius:20px;flex-shrink:0}

.cgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:28px}
.cbox{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;text-align:center;transition:.28s}
.cbox:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--blue-l)}
.cbox .ic{width:54px;height:54px;border-radius:14px;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.cbox .ic svg{width:26px;height:26px}
.cbox b{display:block;margin-bottom:6px}
.cbox p{font-size:13px;color:var(--muted);line-height:1.6}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form label{display:block;font-size:13px;margin-bottom:7px;color:#42506b;font-weight:500}
.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px;font-family:inherit;outline:0;background:var(--paper);transition:.2s}
.form input:focus,.form textarea:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(21,89,224,.1)}
.form textarea{min-height:130px;resize:vertical}

.js .reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}

.mmask{position:fixed;inset:0;background:rgba(10,26,53,.5);z-index:90;opacity:0;visibility:hidden;transition:.3s}
.mmask.open{opacity:1;visibility:visible}
.mnav{position:fixed;top:0;right:0;bottom:0;width:280px;background:#fff;z-index:100;transform:translateX(100%);transition:.32s;overflow-y:auto;padding:24px}
.mnav.open{transform:translateX(0)}
.mnav .mc{position:absolute;top:18px;right:20px;font-size:26px;color:#888;cursor:pointer}
.mnav h4{font-family:var(--mono);font-size:12px;color:var(--blue);letter-spacing:.06em;margin:16px 0 6px;text-transform:uppercase}
.mnav a{display:block;padding:10px 8px;color:#33405a;border-radius:8px}
.mnav a:hover{background:var(--sky);color:var(--blue)}

@media(prefers-reduced-motion:reduce){
  .mrow{animation:none}.reveal{transition:none;opacity:1;transform:none}.statcard .dot{animation:none}
}
@media(max-width:1024px){
  .nav,.hsearch{display:none}.burger{display:flex}
  .hero .wrap{grid-template-columns:1fr;padding:60px 24px 70px}.heropanel{display:none}
  .bento,.caps{grid-template-columns:repeat(2,1fr)}.bento .cat.feat{grid-row:span 1}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .brandwrap,.news2{grid-template-columns:1fr}
  .inner{grid-template-columns:1fr}.side{position:static}
  .foottop{grid-template-columns:repeat(3,1fr)}
  .assure{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:600px){
  .sec{padding:54px 0}.wrap{padding:0 18px}
  .pgrid,.bfull,.cgrid,.statrow{grid-template-columns:repeat(2,1fr)}
  .bento,.caps{grid-template-columns:1fr}
  .foottop{grid-template-columns:1fr 1fr}.assure{grid-template-columns:1fr}
  .ctaband{padding:36px 22px}.topbar .links{display:none}
  .form .row{grid-template-columns:1fr}
}

/* ====== 产品详情页 PDP ====== */
.pdp{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;padding:48px 0 8px}
.gallery .main{aspect-ratio:1/1;background:radial-gradient(circle at 32% 28%,#eaf1fd,#dce8fb);border:1px solid var(--line);border-radius:var(--r);display:flex;align-items:center;justify-content:center;color:var(--blue-l);position:relative}
.gallery .main svg{width:38%;height:38%;opacity:.7}
.gallery .main .spec{position:absolute;top:16px;left:16px;font-family:var(--mono);font-size:12px;background:var(--navy);color:var(--cyan);padding:4px 12px;border-radius:20px}
.gallery .thumbs{display:flex;gap:12px;margin-top:14px}
.gallery .thumb{flex:1;aspect-ratio:1/1;background:radial-gradient(circle at 40% 30%,#eef4fe,#e0eafb);border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;justify-content:center;color:var(--blue-l);cursor:pointer;transition:.2s}
.gallery .thumb svg{width:34%;height:34%;opacity:.6}
.gallery .thumb:hover,.gallery .thumb.on{border-color:var(--cyan);box-shadow:var(--shadow)}
.pinfo .brand{display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--blue);background:var(--sky);padding:5px 13px;border-radius:20px;margin-bottom:14px}
.pinfo h1{font-size:30px;font-weight:800;letter-spacing:-.4px;line-height:1.25}
.pinfo .sku{font-family:var(--mono);font-size:13px;color:var(--faint);margin:10px 0 22px}
.specs{border-top:1px solid var(--line)}
.specs li{display:flex;gap:18px;padding:13px 2px;border-bottom:1px solid var(--line);font-size:14.5px}
.specs li .k{width:120px;flex-shrink:0;color:var(--muted)}
.specs li .v{color:var(--ink);font-weight:500}
.specs li .v.mono{font-family:var(--mono);font-weight:400}
.pricebar{display:flex;align-items:center;gap:16px;margin:24px 0;padding:20px 22px;background:radial-gradient(130% 200% at 100% 0%,var(--navy3),var(--navy));border-radius:var(--r);color:#fff}
.pricebar .q{font-family:var(--mono);font-size:13px;color:#9fb2d4}
.pricebar .q b{display:block;font-size:22px;color:#fff;margin-top:2px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pbtns{display:flex;gap:12px;flex-wrap:wrap}
.trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.trust span{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:7px}
.trust span svg{width:16px;height:16px;color:var(--blue)}
/* tabs */
.tabs{padding:18px 0 10px}
.tabnav{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap}
.tabnav button{border:0;background:none;font-family:inherit;font-size:15px;color:var(--muted);padding:13px 20px;cursor:pointer;position:relative;font-weight:600}
.tabnav button::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2.5px;border-radius:3px;background:var(--grad);transform:scaleX(0);transition:.25s}
.tabnav button.on{color:var(--blue)}
.tabnav button.on::after{transform:scaleX(1)}
.tabpane{display:none}
.tabpane.on{display:block;animation:fade .4s}
@keyframes fade{from{opacity:0;transform:translateY(8px)}}
.tabpane p{color:#3b4a64;margin-bottom:12px}
.tabpane table{width:100%;border-collapse:collapse;font-size:14px}
.tabpane th,.tabpane td{text-align:left;padding:11px 14px;border:1px solid var(--line)}
.tabpane th{background:var(--sky);font-family:var(--mono);font-weight:600;color:var(--ink);width:200px}
@media(max-width:880px){.pdp{grid-template-columns:1fr;gap:26px}}

/* 语言切换高亮 */
.topbar .lang{color:#fff;font-weight:600}
.topbar .lang.cur{color:var(--cyan)}

.mapbox{height:300px;background:radial-gradient(120% 140% at 20% 10%,var(--navy3),var(--navy));display:flex;align-items:center;justify-content:center;color:#9fb2d4;font-family:var(--mono);font-size:13px;border-radius:var(--r)}

/* 分类子标签 + A-Z 品牌墙 + 采购主题 */
.subchips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 6px}
.subchips a{font-family:var(--mono);font-size:12px;padding:5px 12px;border-radius:20px;background:var(--sky);color:#42506b;border:1px solid var(--line);letter-spacing:.02em}
.subchips a:hover{background:var(--grad);color:#fff;border-color:transparent}
.qqbig{font-family:var(--mono);font-size:23px;color:#fff;font-weight:700;letter-spacing:.03em}
.azwall{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.azwall .b{background:#fff;border:1px solid var(--line);border-radius:10px;height:66px;display:flex;align-items:center;justify-content:center;font-weight:600;color:#42506b;text-align:center;padding:6px;font-size:13px;transition:.2s}
.azwall .b:hover{border-color:var(--cyan);color:var(--blue);box-shadow:var(--shadow)}
.azletter{font-family:var(--mono);font-size:18px;font-weight:700;color:var(--blue);margin:22px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--sky)}
.azletter:first-child{margin-top:0}
@media(max-width:1024px){.azwall{grid-template-columns:repeat(4,1fr)}}
@media(max-width:600px){.azwall{grid-template-columns:repeat(2,1fr)}}

/* 品牌产品目录表 */
.brandhead{display:grid;grid-template-columns:120px 1fr;gap:26px;align-items:center;background:radial-gradient(130% 120% at 0% 0%,var(--navy3),var(--navy));color:#fff;border-radius:var(--r);padding:30px 34px;margin-bottom:26px}
.brandhead .logo-box{width:120px;height:80px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blue);font-size:18px;text-align:center;padding:8px}
.brandhead h1{font-size:26px;margin:0 0 8px}
.brandhead p{color:#aebfdb;font-size:14px;margin:0}
.brandhead .tag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;background:rgba(22,210,217,.16);color:var(--cyan);padding:3px 11px;border-radius:20px;margin-bottom:10px}
.ptable{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ptable th,.ptable td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.ptable th{background:var(--sky);font-family:var(--mono);font-weight:600;color:var(--ink);font-size:12.5px;letter-spacing:.04em}
.ptable td.cat{font-family:var(--mono);color:var(--blue);white-space:nowrap}
.ptable tr:last-child td{border-bottom:0}
.ptable tr:hover td{background:#f7faff}
.ptable .ask{display:inline-block;font-family:var(--mono);font-size:12px;color:#fff;background:var(--grad);padding:5px 14px;border-radius:20px;white-space:nowrap}
.ptable .ask:hover{box-shadow:var(--glow)}
@media(max-width:600px){.brandhead{grid-template-columns:1fr}.ptable th:nth-child(3),.ptable td:nth-child(3){display:none}}

/* 产品图展示 */
.pshow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 30px}
.pshow .item{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;text-align:center;transition:.28s}
.pshow .item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--cyan)}
.pshow .item img{width:100%;height:230px;object-fit:contain;background:radial-gradient(circle at 40% 30%,#f7faff,#eef4fe);border-radius:10px}
.pshow .item b{display:block;margin-top:12px;font-size:15px;color:var(--ink)}
.pshow .item span{display:block;font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:4px}
@media(max-width:700px){.pshow{grid-template-columns:1fr}}