:root{
  --navy:#0e2438;
  --ink:#152c42;
  --body:#41566c;
  --muted:#7b8fa3;
  --line:#e4eaf0;
  --bg:#ffffff;
  --soft:#f5f8fa;
  --accent:#0f7b6c;
  --accent-dark:#0a5f53;
  --amber:#c8892a;
  --radius:10px;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--body);background:var(--bg);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;font-weight:600;letter-spacing:-.01em}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:19px}
p{color:var(--body)}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:12px}
.section{padding:76px 0}
.section.soft{background:var(--soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:6px;font-size:15px;font-weight:600;transition:.18s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

.topbar{background:var(--navy);color:#c9d6e2;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:16px}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:20px}

header.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-size:16px}
.logo-text b{display:block;color:var(--ink);font-size:17px;letter-spacing:.02em;line-height:1.1}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
nav.menu{display:flex;gap:30px;font-size:15px;font-weight:500;color:var(--ink)}
nav.menu a{position:relative;padding:6px 0}
nav.menu a:hover,nav.menu a.active{color:var(--accent)}
nav.menu a.active:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent)}

.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:76px;padding-bottom:76px}
.hero h1{color:#fff;font-size:46px;letter-spacing:-.02em}
.hero p.lead{color:#b9c9d8;font-size:17px;margin:20px 0 30px;max-width:520px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-art{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-art .tile{background:#fff;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;display:grid;place-items:center;padding:10px}
.hero-art .tile img{object-fit:contain;width:100%;height:100%}
.hero-art .tile:nth-child(2){margin-top:26px}
.hero-art .tile:nth-child(4){margin-top:-26px}
.stats{display:flex;gap:46px;margin-top:44px;flex-wrap:wrap}
.stat b{display:block;color:#fff;font-size:26px;font-weight:600}
.stat span{font-size:13px;color:#93a8bb;letter-spacing:.02em}

.grid-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:640px){.grid-cats.series-grid{grid-template-columns:1fr}}
.cat-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.cat-card:hover{border-color:#cfdce7;transform:translateY(-2px)}
.cat-card .thumb{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover}
.cat-card .body{padding:20px 22px 22px}
.cat-card h3{margin-bottom:6px;font-size:17px}
.cat-card p{font-size:14px;color:var(--muted)}
.cat-card .more{display:inline-block;margin-top:12px;font-size:13px;font-weight:600;color:var(--accent)}

.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.p-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;transition:.2s}
.p-card:hover{border-color:#cfdce7;box-shadow:0 6px 20px rgba(18,41,63,.06)}
.p-card .ph{aspect-ratio:1/1;background:#fff;display:grid;place-items:center;padding:16px;border-bottom:1px solid var(--line)}
.p-card .ph img{object-fit:contain;max-height:100%;width:100%}
.p-card .pb{padding:14px 16px 16px}
.p-card h4{font-size:14px;font-weight:600;line-height:1.4}
.p-card span{font-size:12px;color:var(--muted);display:block;margin-top:4px}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.chip{padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:14px;background:#fff;cursor:pointer;color:var(--body)}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--navy);border-color:var(--navy);color:#fff}

.why{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why .item{border-top:2px solid var(--navy);padding-top:18px}
.why h3{font-size:16px;margin-bottom:8px}
.why p{font-size:14px;color:var(--muted)}

.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.strip figure{border-radius:var(--radius);overflow:hidden;background:var(--soft)}
.strip img{aspect-ratio:4/3;object-fit:cover;width:100%}
.strip figcaption{font-size:13px;color:var(--muted);padding:12px 14px}

.cta-band{background:var(--navy);color:#fff;padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{color:#a9bccd;margin-top:10px;max-width:560px}

footer{background:#0a1a28;color:#93a8bb;font-size:14px;padding:56px 0 26px}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
footer h3{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;font-weight:700}
footer a:hover{color:#fff}
footer ul{list-style:none;display:grid;gap:9px}
footer .bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;padding-right:140px;display:flex;justify-content:space-between;font-size:13px;color:#6e8399;flex-wrap:wrap;gap:8px}
@media (max-width:820px){footer .bottom{padding-right:0;padding-bottom:56px}}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;align-items:center;gap:10px;background:#25d366;color:#fff;padding:12px 18px;border-radius:999px;font-weight:600;font-size:14px;box-shadow:0 8px 24px rgba(37,211,102,.35);opacity:0;transform:translateY(10px);pointer-events:none;transition:opacity .25s ease,transform .25s ease}
.wa-float.show{opacity:1;transform:none;pointer-events:auto}
.wa-float:hover{background:#1fb455}

.page-head{background:var(--soft);padding:56px 0;border-bottom:1px solid var(--line)}
.page-head h1{font-size:36px}
.page-head p{color:var(--muted);margin-top:10px;max-width:640px}

.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.prose h2{margin-bottom:16px;font-size:24px}
.prose p{margin-bottom:16px}
.prose ul{margin:0 0 18px 18px;color:var(--body)}
.prose li{margin-bottom:8px}
.fact-list{display:grid;gap:14px;background:var(--soft);border-radius:var(--radius);padding:26px}
.fact-list div{display:flex;justify-content:space-between;gap:20px;font-size:14px;border-bottom:1px dashed var(--line);padding-bottom:12px}
.fact-list div:last-child{border:0;padding-bottom:0}
.fact-list span:first-child{color:var(--muted)}
.fact-list span:last-child{color:var(--ink);font-weight:500;text-align:right}
.co-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.co-grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.co-grid--4{grid-template-columns:repeat(3,1fr)}}
.co-grid figure{margin:0;position:relative;border-radius:10px;overflow:hidden;background:#e9eef2;line-height:0}
.co-grid img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;display:block;transition:transform .5s ease}
.co-grid figure:hover img{transform:scale(1.03)}
.co-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 11px;font-size:12px;line-height:1.3;color:#fff;letter-spacing:.02em;background:linear-gradient(180deg,rgba(6,20,32,0),rgba(6,20,32,.82));text-align:left;text-shadow:0 1px 3px rgba(0,0,0,.45)}
@media(max-width:760px){.co-grid{grid-template-columns:repeat(2,1fr);gap:10px}.co-grid figcaption{font-size:11px;padding:20px 10px 8px}}
/* 荣誉并入「工厂与展厅」：白底卡片，不压字，图不裁切 */
.co-awards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.co-awards figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.co-awards img{width:100%;height:auto;aspect-ratio:1/1;object-fit:contain;display:block;padding:10px}
.co-awards figcaption{padding:10px 14px 13px;font-size:12.5px;line-height:1.45;color:var(--muted);border-top:1px solid var(--line);flex:1}
@media(max-width:760px){.co-awards{grid-template-columns:1fr 1fr;gap:10px}.co-awards img{padding:6px}.co-awards figcaption{font-size:11.5px;padding:8px 10px 10px}}
/* 客户来访：展会区块的横条，两张现场照 + 说明 */
.fair-visit{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:24px}
.fv-pics{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fv-pics figure{margin:0;border-radius:8px;overflow:hidden;aspect-ratio:1/1;background:#e9eef2;line-height:0}
.fv-pics img{width:100%;height:100%;object-fit:cover;display:block}
.fair-visit .fv-txt{padding:6px 18px 6px 0}
.fair-visit h3{font-size:19px;margin-bottom:10px}
.fair-visit p{font-size:14px;color:var(--muted);line-height:1.7;max-width:44em}
.fair-visit p+p{margin-top:10px}
@media(max-width:860px){.fair-visit{grid-template-columns:1fr;gap:16px;padding:12px}.fair-visit .fv-txt{padding:0 6px 8px}}
.mk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mk-grid>div{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.mk-grid h3{font-size:14px;letter-spacing:.02em;margin-bottom:8px}
.mk-grid p{font-size:14px;color:var(--body);line-height:1.7;margin:0}
.mk-grid p.mk-sub{font-size:13px;color:var(--muted);margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.mk-tags{display:flex;flex-wrap:wrap;gap:6px}
.mk-tags span{font-size:12.5px;line-height:1.4;color:var(--navy);background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:4px 10px;white-space:nowrap}
.mk-tags span.mk-etc{background:transparent;border-style:dashed;color:var(--muted);font-style:italic}
.mk-note{font-size:14px;color:var(--muted);line-height:1.75;margin-top:22px;max-width:70em}
@media(max-width:760px){.mk-grid{grid-template-columns:1fr}}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.c-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.c-item:last-child{border:0}
.c-ico{width:38px;height:38px;border-radius:8px;background:var(--soft);display:grid;place-items:center;color:var(--accent);flex:0 0 38px}
.c-item b{display:block;color:var(--ink);font-size:14px;margin-bottom:2px}
.c-item span,.c-item a{font-size:14px;color:var(--body)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form label{display:block;font-size:13px;color:var(--ink);font-weight:500;margin-bottom:6px}
form input,form textarea,form select{width:100%;border:1px solid var(--line);border-radius:6px;padding:11px 13px;font-family:inherit;font-size:14px;color:var(--ink);background:#fff;outline:none}
form input:focus,form textarea:focus,form select:focus{border-color:var(--accent)}
form .field{margin-bottom:16px}
form textarea{min-height:120px;resize:vertical}
.form-note{font-size:12px;color:var(--muted);margin-top:12px}

.hero-office{background:radial-gradient(120% 130% at 12% 8%,#12384a 0%,#0b2434 42%,#0a1a28 100%)}
.hero-office .wrap{grid-template-columns:1fr 1.08fr}
.hero-school .wrap{grid-template-columns:1fr 1.08fr}
.hero-shot{position:relative;border-radius:14px;overflow:hidden;align-self:stretch}
.hero-shot img{width:100%;height:100%;object-fit:cover;min-height:420px}
.shot-tag{position:absolute;left:14px;bottom:14px;background:rgba(10,26,40,.74);color:#fff;font-size:12px;padding:7px 13px;border-radius:999px;letter-spacing:.02em}

/* 首屏产品轮播 */
.hs{position:relative;aspect-ratio:3/2;align-self:center;background:#0c1a28}
.hs .hs-track{position:absolute;inset:0;touch-action:pan-y}
.hs .hs-slide{position:absolute;inset:0;display:block;opacity:0;visibility:hidden;transition:opacity .55s ease;pointer-events:none;background:#fff}
.hs .hs-slide.is-on{opacity:1;visibility:visible;pointer-events:auto}
.hs .hs-slide img{width:100%;height:100%;object-fit:contain;min-height:0;display:block}
.hs .hs-slide::after{content:none}
.hs .shot-tag{z-index:2;transition:transform .2s ease}
.hs .hs-slide:hover .shot-tag{transform:translateX(2px)}
.hs-arrow{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(10,26,40,.5);color:#fff;display:grid;place-items:center;cursor:pointer;z-index:3;opacity:0;transition:opacity .2s,background .2s}
.hs:hover .hs-arrow,.hs:focus-within .hs-arrow{opacity:1}
.hs-arrow:hover{background:rgba(10,26,40,.85);border-color:rgba(255,255,255,.5)}
.hs-prev{left:12px}
.hs-next{right:12px}
.hs-dots{position:absolute;right:14px;bottom:14px;display:flex;gap:7px;z-index:3;background:rgba(10,26,40,.42);padding:7px 9px;border-radius:999px;backdrop-filter:blur(2px)}
.hs-dot{width:8px;height:8px;padding:0;border:0;border-radius:999px;background:rgba(255,255,255,.55);cursor:pointer;transition:width .25s,background .25s}
.hs-dot:hover{background:rgba(255,255,255,.75)}
.hs-dot.is-on{width:22px;background:#fff}
@media(hover:none){.hs-arrow{opacity:1;width:34px;height:34px}}
/* 窄屏：标签较长时会把右下角的圆点挤到文字上，圆点改到右上角独占一行 */
@media(max-width:600px){
  .hs-dots{right:10px;bottom:10px;padding:6px 8px;gap:6px}
  .hs-dot{width:7px;height:7px}
  .hs-dot.is-on{width:18px}
  .hs .shot-tag{left:10px;bottom:10px;font-size:11px;padding:6px 11px;max-width:calc(100% - 134px)}
}
/* 更窄的屏幕（360 及以下）：标签与圆点会抢同一行，改为标签在上、圆点在下 */
@media(max-width:420px){
  .hs .shot-tag{left:10px;bottom:40px;max-width:calc(100% - 20px);white-space:normal;line-height:1.25}
}
@media(prefers-reduced-motion:reduce){.hs .hs-slide{transition:none}}

.cat-card.series .tag{display:inline-block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);font-weight:700;margin-bottom:8px}

.order-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.order-list li{background:#fff;display:flex;gap:18px;padding:26px 28px}
.order-list .num{font-size:13px;font-weight:700;color:var(--amber);font-family:"SFMono-Regular",Consolas,monospace;flex:0 0 22px;padding-top:3px}
.order-list h3{font-size:16px;margin-bottom:6px}
.order-list p{font-size:14px;color:var(--muted);line-height:1.55}

.prose-media img{border-radius:var(--radius);width:100%}
.prose-media .cap{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.5}

.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:step}
.steps li{border-top:2px solid var(--navy);padding-top:18px}
.steps li:before{counter-increment:step;content:"STEP " counter(step);display:block;font-size:11px;letter-spacing:.12em;color:var(--amber);font-weight:700;margin-bottom:8px}
.steps h3{font-size:17px;margin-bottom:8px}
.steps p{font-size:14px;color:var(--muted);line-height:1.6}

.note-line{font-size:14px;color:var(--muted);margin-top:30px;border-left:2px solid var(--amber);padding-left:15px}

@media(max-width:960px){
  .hero-school .wrap,.order-list,.steps{grid-template-columns:1fr}
  .hero-shot img{min-height:280px}
}

@media(max-width:960px){
  .hero .wrap,.two-col,.contact-grid{grid-template-columns:1fr;gap:36px}
  .grid-cats,.why{grid-template-columns:1fr 1fr}
  .grid-products{grid-template-columns:1fr 1fr}
  .strip{grid-template-columns:1fr}
  h1,.hero h1{font-size:32px}
  nav.menu{display:none}
  footer .cols{grid-template-columns:1fr 1fr}
  .hero-art{display:none}
}

/* ============ Product listing ============ */
.pl-head{background:linear-gradient(180deg,#0e2438 0%,#132f47 100%);color:#fff;padding:56px 0 46px}
.pl-head .eyebrow{color:#5fd3bd}
.pl-head h1{color:#fff;font-size:34px;margin-bottom:10px;max-width:760px}
.pl-head p{color:rgba(255,255,255,.72);font-size:15px;max-width:680px}
.pl-head .kpis{display:flex;gap:38px;margin-top:26px;flex-wrap:wrap}
.pl-head .kpis div span{display:block;font-size:28px;font-weight:600;color:#fff;line-height:1.15}
.pl-head .kpis div em{font-style:normal;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5)}

.pl-bar{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(14,36,56,.04)}
.pl-top{display:flex;align-items:center;gap:14px;padding:11px 0}
.pl-bar-in{display:flex;align-items:center;flex-wrap:wrap;gap:7px;row-gap:8px;overflow:visible;padding:11px 0}
.pl-bar-in::-webkit-scrollbar{display:none}
.pl-chip{flex:0 0 auto;font-size:12.5px;padding:6px 13px;border:1px solid var(--line);border-radius:20px;cursor:pointer;background:#fff;color:var(--body);transition:.15s;white-space:nowrap;font-family:inherit}
.pl-chip:hover{border-color:var(--accent);color:var(--accent)}
.pl-chip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.pl-chip b{font-weight:600;opacity:.7;margin-left:5px;font-size:12px}
.pl-sub{padding:0 0 12px;display:flex;flex-wrap:wrap;gap:7px;row-gap:7px;overflow:visible}
.pl-sub .pl-chip{font-size:12px;padding:5px 12px;border-radius:16px;background:var(--soft);border-color:transparent}
.pl-sub .pl-chip.on{background:var(--navy);color:#fff}
.pl-search{flex:0 0 auto;border:1px solid var(--line);border-radius:20px;padding:8px 16px;font-size:13px;width:232px;outline:none;font-family:inherit;background:#fff}
.pl-search:focus{border-color:var(--accent)}
.pl-count-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 0 0}
.pl-count{font-size:12.5px;color:var(--muted);padding:0}
.pl-count b{color:var(--ink);font-weight:600}

.pl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:22px;padding:20px 0 70px}
.pc{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.18s;display:flex;flex-direction:column}
.pc[hidden],[hidden]{display:none!important}
.pc:hover{box-shadow:0 10px 30px rgba(14,36,56,.1);transform:translateY(-3px);border-color:#ccd9e5}
.pc-img{aspect-ratio:4/3;min-height:0;overflow:hidden;background:linear-gradient(180deg,#f9fbfc 0%,#edf1f5 100%);display:flex;align-items:center;justify-content:center;padding:12px;position:relative}
.pc-img img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .3s}
.pc:hover .pc-img img{transform:scale(1.04)}
.pc-badge{position:absolute;left:10px;top:10px;background:rgba(14,36,56,.82);color:#fff;font-size:10.5px;letter-spacing:.04em;padding:3px 8px;border-radius:5px;font-weight:600}
.pc-flag{position:absolute;right:10px;top:10px;background:rgba(15,123,108,.92);color:#fff;font-size:10.5px;letter-spacing:.04em;padding:3px 8px;border-radius:5px;font-weight:600}
.pc-body{padding:14px 15px 16px;display:flex;flex-direction:column;gap:5px;flex:1}
.pc-name{font-size:14.5px;color:var(--ink);font-weight:600;line-height:1.35}
.pc-meta{font-size:11.5px;color:var(--muted);letter-spacing:.03em;text-transform:uppercase}
.pc-sizes{font-size:12px;color:var(--accent);font-weight:600;margin-top:2px}
.pc-all{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--ink);margin-top:auto;padding-top:8px}
.pc:hover .pc-all{color:var(--accent)}
.pl-empty{text-align:center;padding:90px 0;color:var(--muted);font-size:14px}
.pl-more{display:block;margin:0 auto 70px;padding:12px 30px;border:1px solid var(--line);border-radius:24px;background:#fff;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;font-family:inherit}
.pl-more:hover{border-color:var(--accent);color:var(--accent)}

/* ============ Product detail ============ */
.pd-crumb{font-size:12.5px;color:var(--muted);padding:18px 0 0}
.pd-crumb a:hover{color:var(--accent)}
.pd-crumb span{margin:0 7px;opacity:.5}
.pd-top{display:grid;grid-template-columns:1.15fr 1fr;gap:52px;padding:26px 0 60px;align-items:start}
.pd-gallery{position:sticky;top:80px}
.pd-main{background:linear-gradient(180deg,#f9fbfc 0%,#edf1f5 100%);border-radius:12px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:20px;overflow:hidden}
.pd-main img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.pd-thumbs{display:flex;gap:9px;margin-top:11px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.pd-thumbs::-webkit-scrollbar{display:none}
.pd-thumbs button{flex:0 0 66px;height:66px;border:1.5px solid var(--line);border-radius:8px;background:var(--soft);padding:4px;cursor:pointer;overflow:hidden}
.pd-thumbs button.on{border-color:var(--accent)}
.pd-thumbs img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pd-info h1{font-size:31px;margin-bottom:10px;line-height:1.22}
.pd-itemno{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--accent);background:#eaf6f3;padding:5px 11px;border-radius:6px;margin-bottom:16px;letter-spacing:.03em}
.pd-lead{font-size:15px;color:var(--body);margin-bottom:22px}
.pd-spec{width:100%;border-collapse:collapse;font-size:13.5px;margin-bottom:24px}
.pd-spec th,.pd-spec td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line)}
.pd-spec th{color:var(--muted);font-weight:500;width:42%}
.pd-spec td{color:var(--ink);font-weight:500}
.pd-acts{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.pd-note{font-size:12.5px;color:var(--muted);line-height:1.7}
.pd-var-title{font-size:13px;font-weight:600;color:var(--ink);margin:26px 0 10px;letter-spacing:.02em}
.pd-vars{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.pd-var{display:flex;flex-direction:column;align-items:center;gap:4px;border:1.5px solid var(--line);border-radius:8px;padding:6px 9px;cursor:pointer;background:#fff;font-family:inherit;transition:.15s;min-width:66px}
.pd-var:hover{border-color:#b9cbdb}
.pd-var.on{border-color:var(--accent);background:#f2faf8}
.pd-var img{width:44px;height:44px;object-fit:contain;mix-blend-mode:multiply}
.pd-var span{font-size:10.5px;color:var(--body);font-weight:600;letter-spacing:.01em}
.pd-var.on span{color:var(--accent)}
.pd-skus{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.pd-sku{border:1.5px solid var(--line);border-radius:8px;background:#fff;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--body);padding:10px 14px;min-height:40px;cursor:pointer;transition:.15s;letter-spacing:.01em}
.pd-sku:hover{border-color:#b9cbdb}
.pd-sku.on{border-color:var(--accent);background:#f2faf8;color:var(--accent)}


.pd-sec{padding:52px 0;border-top:1px solid var(--line)}
.pd-sec h2{font-size:22px;margin-bottom:8px}
.pd-sec .sub{font-size:14px;color:var(--muted);margin-bottom:26px}
.pd-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.pd-gallery-grid figure{background:linear-gradient(180deg,#f9fbfc 0%,#eef2f6 100%);border-radius:10px;overflow:hidden}
.pd-gallery-grid img{width:100%;aspect-ratio:1/1;object-fit:contain;padding:12px;mix-blend-mode:multiply}
.pd-gallery-grid figcaption{font-size:11px;color:var(--muted);padding:7px 10px;background:#fff;border-top:1px solid var(--line);text-transform:uppercase;letter-spacing:.05em}
.pd-rel{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}

@media(max-width:900px){
  .pd-top{grid-template-columns:1fr;gap:26px}
  .pd-gallery{position:static}
  .pl-head h1{font-size:26px}
  .pl-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
  .pc-body{padding:11px 12px 13px}
  .pc-name{font-size:13px}
  .pl-search{width:150px}
  .pd-info h1{font-size:24px}
}
.pd-range{font-size:13px;color:var(--muted);margin:-4px 0 12px;letter-spacing:.01em}
.pd-range b{color:var(--ink);font-weight:600}
.pl-bar2{display:flex;align-items:center;gap:10px}
.pl-bar2 .pl-sub{flex:1 1 auto;padding:0 0 10px;flex-wrap:wrap;overflow:visible;row-gap:6px}
.pl-bar2 .pl-search{flex:0 0 auto;margin:0 0 10px;width:200px}
@media(max-width:700px){.pl-bar2{flex-wrap:wrap}.pl-bar2 .pl-search{width:100%;margin:0 0 10px}
  .pl-top{flex-wrap:wrap;gap:8px}
  .pl-count-row{flex-wrap:wrap;gap:8px}
  .pl-search{width:100%;order:2;box-sizing:border-box}}

/* ============ Mobile nav ============ */
.nav-toggle{display:none}
@media(max-width:960px){
  .nav{position:relative}
  .nav .wrap{display:flex;align-items:center;gap:10px}
  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:40px;height:38px;flex:0 0 auto;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:0 9px;order:3}
  .nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
  .nav-toggle.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .nav-toggle.on span:nth-child(2){opacity:0}
  .nav-toggle.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  nav.menu{display:none}
  nav.menu.open{display:flex;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;padding:6px 24px 16px;border-bottom:1px solid var(--line);box-shadow:0 14px 26px rgba(14,36,56,.1);gap:0;z-index:60}
  nav.menu.open a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  nav.menu.open a:last-child{border-bottom:none}
  .logo-text b{font-size:16px}
  .logo-text span{font-size:9px;letter-spacing:.02em}
  .nav .btn-primary{margin-left:auto;order:2;padding:10px 14px;font-size:13px}
  .logo{order:1}
}
@media(max-width:480px){
  .logo-text span{display:none}
  .logo-text b{font-size:17px}
}
@media(max-width:760px){
  .topbar{padding:0}
  .topbar .wrap{justify-content:center;gap:0;height:auto;min-height:44px}
  .topbar .tb-right{gap:16px}
  .topbar a{display:inline-flex;align-items:center;min-height:44px;padding:0 2px}
  .topbar>span,.topbar .wrap>span{display:none}
  .tb-right{display:flex;gap:16px;flex-wrap:nowrap;font-size:11.5px}
  .tb-right a{font-size:11.5px;white-space:nowrap}
}
/* grid/flex 子项默认 min-width:auto 会让内部横向滚动容器撑破布局 */
.pd-top>*,.pd-gallery,.pd-info,.pl-bar2>*{min-width:0}
@media(max-width:900px){
  .pd-thumbs{max-width:100%;flex-wrap:wrap;overflow-x:visible}
}

/* 触屏：分类筛选是高频操作，保证 36px 以上点按高度
   手机上筛选条改成单行横滑（右侧渐隐提示还有更多），避免十几行胶囊把首屏占满 */
@media (max-width:820px){
  .pl-chip{padding:9px 15px;font-size:13px;line-height:1.2}
  .pl-sub .pl-chip{padding:8px 13px;font-size:12.5px}
  .pl-bar .wrap{position:relative}
  .pl-bar .wrap::after{content:"";position:absolute;top:0;right:0;bottom:10px;width:44px;pointer-events:none;
    background:linear-gradient(90deg,rgba(255,255,255,0),#fff)}
  .pl-bar-in{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .pl-bar-in::-webkit-scrollbar{display:none}
  .pl-sub{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .pl-sub::-webkit-scrollbar{display:none}
}

/* 仅屏幕阅读器可见：补齐标题层级，不影响视觉 */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* h1 里的型号：比标题小一档，保证每页 h1 唯一 */
.pd-h1-model{display:inline-block;font-size:.55em;font-weight:600;color:var(--muted);letter-spacing:.02em;vertical-align:middle;margin-left:6px}

/* 点击主图看原图 */
.pd-main a{display:block;cursor:zoom-in}
.lb{position:fixed;inset:0;background:rgba(8,20,32,.95);z-index:200;display:none;align-items:center;justify-content:center;padding:28px}
.lb.open{display:flex}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain;background:#fff;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.lb-close{position:absolute;top:16px;right:18px;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:26px;line-height:1;cursor:pointer}
.lb-close:hover{background:rgba(255,255,255,.26)}

/* 手机端统计固定两列，避免最后一项单独占一行 */
@media (max-width:600px){
  .pl-head .kpis{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px}
  .pl-head .kpis div span{font-size:26px}
}

/* 320–400px 窄屏：页脚四栏压缩成两栏时邮箱地址会把整页顶宽，改为单栏并允许断行 */
footer li,footer a{overflow-wrap:anywhere}
@media (max-width:340px){footer .cols{grid-template-columns:1fr;gap:26px}}
/* 手机端页脚：品牌简介独占整行，避免被挤成 150px 宽的长条 */
@media (max-width:600px){footer .cols>div:first-child{grid-column:1/-1}}
/* 2026-11-06 参考规格说明（参数引导到 WhatsApp） */
.pd-specnote{font-size:12px;line-height:1.6;color:var(--muted);margin:10px 0 0;padding-left:2px;border-left:2px solid var(--accent);padding:8px 0 8px 12px;background:linear-gradient(90deg,rgba(15,123,108,.05),transparent)}
.pd-specnote a{color:var(--accent);font-weight:600}
.pl-specnote{font-size:12.5px;color:var(--muted);margin:2px 0 18px;line-height:1.6}
.pl-specnote a{color:var(--accent);font-weight:600;white-space:nowrap}
@media(max-width:600px){.pl-specnote{font-size:12px;margin-bottom:14px}.pd-specnote{font-size:11.5px}}
/* 导航加到 7 项后压缩间距，避免换行 */
nav.menu{white-space:nowrap}
.nav .btn{white-space:nowrap}
@media(min-width:961px){
  nav.menu{gap:20px;font-size:14.5px}
  .logo-text span{font-size:10px;letter-spacing:.05em}
}

/* 产品页：颜色 SKU 图切换 */
.pd-colors{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:14px 0 4px}
.pd-colors-label{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#77808a);margin-right:2px}
.pd-color{width:30px;height:30px;padding:0;border-radius:50%;border:2px solid #dfe3e8;background:#fff;cursor:pointer;display:grid;place-items:center;transition:border-color .16s,box-shadow .16s}
.pd-color span{width:20px;height:20px;border-radius:50%;display:block;box-shadow:inset 0 0 0 1px rgba(0,0,0,.07)}
.pd-color:hover{border-color:#b9c1c9}
.pd-color.on{border-color:#0a7a4a;box-shadow:0 0 0 3px rgba(10,122,74,.14)}
.pd-color:focus-visible{outline:2px solid #0a7a4a;outline-offset:2px}

/* 产品页：细节图 + 英文说明（替代原详情长图） */
.pd-details .pd-det-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pd-details figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.pd-details img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;background:#f4f6f8}
.pd-details figcaption{padding:14px 16px 16px}
.pd-details figcaption b{display:block;font-size:13.5px;color:var(--ink);letter-spacing:.01em}
.pd-details figcaption span{display:block;font-size:12.5px;line-height:1.6;color:var(--muted);margin-top:5px}
@media(max-width:900px){.pd-details .pd-det-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.pd-details .pd-det-grid{grid-template-columns:1fr}}

/* 产品页 Item No. 旁的一键复制按钮 */
.copy-btn{font-family:inherit;font-size:11.5px;font-weight:600;letter-spacing:.03em;color:var(--accent);background:#fff;border:1px solid rgba(15,123,108,.35);border-radius:5px;padding:2px 9px;cursor:pointer;margin-left:2px}
.copy-btn:hover{background:#f3fbf9}
.copy-btn.ok{color:#0b7a5e;border-color:#0b7a5e;background:#e8f7f1}
.copy-btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}