/* =========================================================
   Plusetech 朴思科技 · 多页面站点共享样式（自 build_pages.py 自 preview.html 同步生成，勿手改）
   ========================================================= */
/* ============ 朴思科技 全站样式（内联单文件版） ============ */
:root{
  --brand:#0a54c8;--brand-dark:#083a8c;--brand-deep:#062b6b;--accent:#19c3e6;
  --ink:#101c30;--muted:#5d6b82;--line:#e2e8f1;--soft:#f4f8fd;
  --max:1500px;--radius:12px;--radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(10,40,80,.05),0 3px 10px rgba(10,40,80,.06);
  --shadow:0 2px 6px rgba(10,40,80,.05),0 16px 38px rgba(10,40,80,.09);
  --font:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.75}
a{color:inherit;text-decoration:none;cursor:pointer}
button{font-family:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 32px}

/* 视图路由 */
.view{display:none}
.view.active{display:block;animation:fadein .35s ease}
@keyframes fadein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 滚动动效 */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.08s}.rv-d2{transition-delay:.16s}.rv-d3{transition-delay:.24s}.rv-d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* Header */
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--max);margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:54px;height:33px;flex-shrink:0;filter:drop-shadow(0 2px 6px rgba(10,84,200,.25))}
.brand-mark svg{display:block;width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text b{font-size:17px;letter-spacing:.5px;font-weight:800}
.brand-text span{font-size:10.5px;color:#5e7ba9;letter-spacing:2.5px;font-weight:600}
.desktop-nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.desktop-nav>a,.nav-drop>button{padding:10px 16px;height:42px;border-radius:8px;font-size:15px;line-height:1;color:#25334d;background:none;border:none;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:6px}
.nav-drop>button::after{content:"";width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;margin-left:4px;flex-shrink:0;opacity:.55}
.desktop-nav>a:hover,.nav-drop>button:hover{background:var(--soft);color:var(--brand)}
.desktop-nav>a.active{color:var(--brand);font-weight:600}
.nav-drop{position:relative}
.nav-drop-panel{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none;z-index:50}
.nav-drop.open .nav-drop-panel{display:block}
.nav-drop-panel a{display:flex;flex-direction:column;padding:10px 14px;border-radius:8px;font-size:14px}
.nav-drop-panel a:hover{background:var(--soft)}
.nav-drop-panel a b{font-size:14.5px}
.nav-drop-panel a span{font-size:12px;color:var(--muted)}
.header-tools{display:flex;align-items:center;gap:8px}
.lang-switch{position:relative}
.lang-btn{display:flex;align-items:center;gap:5px;background:none;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600;color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.lang-btn b{font-size:13px}
.lang-menu{display:none;position:absolute;top:calc(100% + 6px);right:0;min-width:130px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(6,32,86,.14);padding:6px;z-index:99}
.lang-switch.open .lang-menu{display:block}
.lang-menu button{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 12px;border-radius:8px;font-size:13.5px;color:var(--ink);cursor:pointer}
.lang-menu button:hover{background:var(--brand-50,#eef4ff);color:var(--brand)}
.header-cta{background:var(--brand);color:#fff!important;padding:9px 20px!important;border-radius:999px;font-size:14px;font-weight:600}
.header-cta:hover{background:var(--brand-dark)!important}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:18px;cursor:pointer;color:var(--ink)}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--line)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:15px 32px;border-bottom:1px solid var(--line);font-size:15px}

/* 子页面 Hero */
.page-hero{background:linear-gradient(120deg,var(--brand-deep),var(--brand) 60%,#0d6fd6);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 340px at 85% 20%,rgba(25,195,230,.3),transparent 60%)}
.page-hero .container{position:relative}
.page-hero .crumb{font-size:13px;opacity:.8;letter-spacing:1px;margin-bottom:12px}
.page-hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.3}
.page-hero p{opacity:.88;max-width:760px;margin-top:12px;font-size:16px}

/* 首页 Hero */
.hero{position:relative;overflow:hidden;color:#fff;background:#062b6b}
.hero-slide{min-height:600px;display:none;align-items:center;position:relative}
.hero-slide.active{display:flex}
.hero-slide{background:linear-gradient(120deg,#062b6b 0%,#0a54c8 55%,#0d6fd6 100%)}
.hero-slide::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 82% 18%,rgba(25,195,230,.28),transparent 60%),radial-gradient(700px 500px at 10% 90%,rgba(8,58,140,.55),transparent 65%)}
.hero-slide.bg-chip{background-image:linear-gradient(100deg,rgba(4,26,68,.9) 0%,rgba(6,48,124,.76) 52%,rgba(13,111,214,.5) 100%),url("assets/img/hero-chip.jpg");background-size:cover;background-position:center}
.hero-slide.bg-factory{background-image:linear-gradient(100deg,rgba(4,26,68,.9) 0%,rgba(6,48,124,.74) 52%,rgba(13,111,214,.48) 100%),url("assets/img/hero-factory.jpg");background-size:cover;background-position:center}
.hero-slide.bg-server{background-image:linear-gradient(100deg,rgba(4,26,68,.9) 0%,rgba(6,48,124,.74) 52%,rgba(13,111,214,.48) 100%),url("assets/img/app-server.jpg");background-size:cover;background-position:center}
.hero-slide .hero-metrics{z-index:2}
/* 选型说明卡片可点击 */
a.q-card{display:block;text-decoration:none;color:inherit;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease}
a.q-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
a.q-card::after{content:"了解更多 →";display:block;margin-top:12px;font-size:13px;font-weight:600;color:var(--brand)}
/* 视频实拍图带 */
.shot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.shot-grid figure{margin:0;border-radius:16px;overflow:hidden;position:relative;box-shadow:var(--shadow);background:#041a3f}
.shot-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .45s ease}
.shot-grid figure:hover img{transform:scale(1.06)}
.shot-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:12px 16px;background:linear-gradient(transparent,rgba(4,26,68,.85));color:#fff;font-size:13.5px;letter-spacing:.5px}
/* 内页头图背景 */
.page-hero{position:relative;background-size:cover;background-position:center}
.page-hero.bg-products{background-image:linear-gradient(100deg,rgba(4,26,68,.93) 0%,rgba(6,48,124,.82) 55%,rgba(13,111,214,.62) 100%),url("assets/img/shot-ram.jpg")}
.page-hero.bg-solutions{background-image:linear-gradient(100deg,rgba(4,26,68,.93) 0%,rgba(6,48,124,.82) 55%,rgba(13,111,214,.62) 100%),url("assets/img/shot-pcb.jpg")}
.page-hero.bg-quality{background-image:linear-gradient(100deg,rgba(4,26,68,.93) 0%,rgba(6,48,124,.82) 55%,rgba(13,111,214,.62) 100%),url("assets/img/shot-inspect.jpg")}
.page-hero.bg-about{background-image:linear-gradient(100deg,rgba(4,26,68,.93) 0%,rgba(6,48,124,.82) 55%,rgba(13,111,214,.62) 100%),url("assets/img/shot-line.jpg")}
@media(max-width:900px){.shot-grid{grid-template-columns:1fr 1fr}}
.brand-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px}
.brand-chip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 14px;text-align:center;transition:.25s}
.brand-chip:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(10,84,200,.28)}
.brand-chip b{display:block;font-size:19px;color:#0d1b33;letter-spacing:.02em}
.brand-chip span{display:block;margin-top:7px;font-size:12px;color:#6b7d95;line-height:1.5}
.brand-chip.ghost{background:rgba(10,84,200,.04);border-style:dashed}
.brand-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.brand-notes .bn{background:linear-gradient(135deg,#f6faff,#eaf3ff);border:1px solid #dceafc;border-radius:14px;padding:18px}
.brand-notes b{display:block;font-size:14px;color:#0d1b33;margin-bottom:7px}
.brand-notes span{font-size:13px;line-height:1.7;color:#5b6c85}
.pdt-note{margin:16px 4px 0;font-size:13px;line-height:1.75;color:#6b7d95}
.pdt-note a{color:var(--brand);font-weight:600}
@media(max-width:900px){.brand-notes{grid-template-columns:1fr}}
@media(max-width:560px){.brand-wall{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.shot-grid{grid-template-columns:1fr}}
/* 公司介绍视频 */
.video-band{display:grid;grid-template-columns:1.45fr 1fr;gap:40px;align-items:center;margin-top:56px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.video-band video{width:100%;aspect-ratio:16/9;border-radius:14px;display:block;background:#041a3f}
.video-info h2{margin:6px 0 12px;font-size:26px;color:var(--ink)}
.video-info p{color:var(--muted);line-height:1.8}
.video-info .v-meta{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.video-info .v-meta span{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:13px;color:var(--ink)}
/* 质量页配图 */
.quality-photo{margin-top:48px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.quality-photo img{width:100%;display:block;aspect-ratio:21/8;object-fit:cover}
.quality-photo .cap{position:absolute;left:0;right:0;bottom:0;padding:18px 28px;background:linear-gradient(transparent,rgba(4,26,68,.82));color:#fff;font-size:14px;letter-spacing:.5px}
.hero-grid-deco{position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(720px 480px at 70% 45%,#000 30%,transparent 75%);mask-image:radial-gradient(720px 480px at 70% 45%,#000 30%,transparent 75%)}
.hero-slide .container{position:relative;z-index:2;width:100%}
.hero-kicker{display:inline-block;font-size:13px;letter-spacing:3px;opacity:.85;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:6px 18px;margin-bottom:22px}
.hero-slide h1{font-size:clamp(34px,4.6vw,58px);font-weight:800;line-height:1.25;max-width:820px;margin-bottom:18px;text-wrap:balance}
.hero-slide p{font-size:clamp(15px,1.4vw,18px);opacity:.88;max-width:720px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-metrics{position:absolute;right:6%;top:50%;transform:translateY(-50%);z-index:2;display:grid;gap:14px;width:min(300px,24vw)}
.hero-metrics .m{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:16px 20px;backdrop-filter:blur(6px)}
.hero-metrics b{display:block;font-size:24px;font-weight:800}
.hero-metrics span{font-size:12.5px;opacity:.82}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:.2s;border:none;cursor:pointer}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.hero-controls{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:16px;z-index:5}
.hero-arrow{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font-size:16px;transition:.2s}
.hero-arrow:hover{background:rgba(255,255,255,.2)}
.hero-dots{display:flex;gap:8px}
.hero-dots button{width:26px;height:5px;border-radius:99px;border:none;background:rgba(255,255,255,.35);cursor:pointer;transition:.25s;padding:0}
.hero-dots button.active{background:#fff;width:44px}

/* 数据带 */
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{max-width:var(--max);margin:0 auto;padding:44px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:var(--line)}
.stat b{display:block;font-size:clamp(30px,3vw,44px);font-weight:800;background:linear-gradient(120deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:14px;color:var(--muted)}

/* Section */
.section{padding:88px 0}
.section.alt{background:var(--soft)}
.section-head{text-align:center;max-width:860px;margin:0 auto 56px}
.section-kicker{font-size:13px;letter-spacing:3px;color:var(--brand);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:clamp(28px,3.2vw,40px);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* 产品卡片 */
.home-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden;display:block}
.cat-card::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:linear-gradient(135deg,rgba(10,84,200,.08),rgba(25,195,230,.08))}
.cat-card:hover{transform:translateY(-5px)}
.cat-card .icon{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px;color:#fff;position:relative;z-index:1}
.cat-card h3{font-size:20px;margin-bottom:10px;position:relative;z-index:1}
.cat-card p{color:var(--muted);font-size:14.5px;position:relative;z-index:1}
.cat-card ul{list-style:none;margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:1}
.cat-card li{font-size:12.5px;background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:3px 10px;color:#3a4a66}
.cat-banner{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;background:linear-gradient(100deg,#08265c,#0a54c8 55%,#1287d4);border-radius:16px;padding:20px 26px;color:#fff;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden}
.cat-banner:hover{transform:translateY(-3px)}
.cat-banner .cb-icon{font-size:19px;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cat-banner b{font-size:16.5px;letter-spacing:.3px;white-space:nowrap}
.cat-banner .cb-text{font-size:13.5px;color:rgba(255,255,255,.82);flex:1;min-width:240px;line-height:1.5}
.cat-banner .cb-go{font-size:13.5px;font-weight:700;white-space:nowrap;color:#fff;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:2px}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow)}
.pnum-link{border:0;background:none;color:var(--brand);font:700 14px/1.5 inherit;padding:3px 0;cursor:pointer;white-space:nowrap}.pnum-link:hover{color:var(--brand-dark);text-decoration:underline}.pnum-arrow{display:inline-block;margin-left:5px;font-size:12px}.pdt-modal{position:fixed;inset:0;z-index:3000;display:flex;align-items:center;justify-content:center;padding:24px}.pdt-modal-mask{position:absolute;inset:0;background:rgba(3,15,40,.68);backdrop-filter:blur(5px)}.pdt-modal-card{position:relative;width:min(640px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:20px;padding:34px;box-shadow:0 30px 90px rgba(0,0,0,.3)}.pdt-modal-close{position:absolute;right:18px;top:12px;border:0;background:none;font-size:32px;line-height:1;color:#64748b;cursor:pointer}.pdt-modal-kicker{color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:8px}.pdt-modal-card h2{font-size:28px;line-height:1.25;color:#10254a;margin:0 34px 12px 0;overflow-wrap:anywhere}.pdt-modal-intro{color:#4b5d77;font-size:14px;line-height:1.85;margin:0 0 20px}.pdt-specs{margin:0;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden}.pdt-specs>div{padding:15px 18px;border-bottom:1px solid var(--line)}.pdt-specs>div:nth-child(odd){border-right:1px solid var(--line)}.pdt-specs>div:nth-last-child(-n+2){border-bottom:0}.pdt-specs dt{font-size:12px;color:#718096;margin-bottom:5px}.pdt-specs dd{margin:0;color:#1d2d49;font-size:14px;font-weight:600;line-height:1.5}.pdt-modal-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:24px}.pdt-modal-actions .btn{font-size:14px;padding:12px 22px}.pdt-contact-link{font-size:14px;font-weight:600;color:var(--brand)}.pdt-modal-note{font-size:12px;color:#8490a4;margin:18px 0 0}@media(max-width:600px){.pdt-modal{padding:12px}.pdt-modal-card{padding:26px 20px}.pdt-specs{grid-template-columns:1fr}.pdt-specs>div:nth-child(odd){border-right:0}.pdt-specs>div:nth-last-child(2){border-bottom:1px solid var(--line)}.pdt-modal-card h2{font-size:23px}}
table.pdt{width:100%;border-collapse:collapse;min-width:820px}
table.pdt th{background:var(--brand-dark);color:#fff;font-weight:600;font-size:14px;padding:14px 18px;text-align:left;white-space:nowrap}
table.pdt td{padding:13px 18px;font-size:14px;border-bottom:1px solid var(--line);color:#2b3a55}
table.pdt tr:last-child td{border-bottom:none}
table.pdt tbody tr:hover{background:var(--soft)}
table.pdt .pnum{font-weight:700;color:var(--brand);white-space:nowrap}
.pdt-toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:24px}
.pdt-toolbar input[type=search]{flex:1;min-width:220px;border:1px solid var(--line);border-radius:999px;padding:11px 20px;font-size:14.5px;font-family:inherit;outline:none}
.pdt-toolbar input[type=search]:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(10,84,200,.12)}
.cat-tabs{display:flex;gap:12px;flex-wrap:wrap}
.cat-tabs button{padding:9px 22px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14.5px;color:#33415c;cursor:pointer;transition:.2s}
.cat-tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.pdt-count{font-size:13px;color:var(--muted);margin-left:auto}

/* 方案 */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sol-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:280px;padding:30px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;transition:.25s;box-shadow:var(--shadow)}
.sol-card:hover{transform:translateY(-4px)}
.sol-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,43,107,.15) 0%,rgba(6,43,107,.85) 100%);z-index:1}
.sol-card>*{position:relative;z-index:2}
.sol-num{font-size:13px;letter-spacing:2px;opacity:.8;margin-bottom:auto}
.sol-card h3{font-size:21px;margin:14px 0 8px}
.sol-card p{font-size:13.5px;opacity:.9}
.sol-wide{grid-column:span 2}
.sol-b1{background:linear-gradient(130deg,#0a54c8,#19c3e6)}
.sol-b2{background:linear-gradient(130deg,#123f8f,#3f7ce0)}
.sol-b3{background:linear-gradient(130deg,#06466e,#0a8fb8)}
.sol-b4{background:linear-gradient(130deg,#101f3c,#2a4a86)}
.sol-b5{background:linear-gradient(130deg,#0b3d91,#1552c4)}

/* 实力 */
.strength-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.strength-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;display:flex;gap:22px;box-shadow:var(--shadow)}
.strength-card .idx{flex-shrink:0;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800}
.strength-card h3{font-size:19px;margin-bottom:10px}
.strength-card p{color:var(--muted);font-size:14.5px}
.strength-band{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;padding:70px 0}
.strength-band .inner{max-width:var(--max);margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.strength-band .cell{text-align:center}
.strength-band .cell b{display:block;font-size:clamp(26px,2.6vw,38px);font-weight:800}
.strength-band .cell span{font-size:13.5px;opacity:.8}

/* 全球支持轨道 */
.support-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.support-lead h2{font-size:clamp(26px,3vw,36px);font-weight:800;margin-bottom:16px}
.support-lead p{color:var(--muted);font-size:15.5px;margin-bottom:28px}
.support-cities{display:flex;flex-wrap:wrap;gap:12px}
.support-cities span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 20px;font-size:14px;color:#33415c;box-shadow:var(--shadow-sm)}
.support-cities span b{color:var(--brand)}
.orbit-stage{position:relative;aspect-ratio:1;min-height:360px}
.orbit{position:absolute;inset:0;border:1px dashed var(--line);border-radius:50%;animation:spin 46s linear infinite}
.orbit.inner{inset:18%;animation-duration:32s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.orbit-node{position:absolute;width:96px;height:96px;animation:spin 46s linear infinite reverse}
.orbit.inner .orbit-node{animation-duration:32s;animation-direction:normal}
.orbit-node .disc{width:100%;height:100%;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:11.5px;color:#33415c;line-height:1.35;padding:6px}
.orbit-node .disc b{font-size:13px;color:var(--brand)}
.orbit-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:150px;height:150px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow);z-index:3}
.orbit-core b{font-size:19px}
.orbit-core span{font-size:12px;opacity:.85}
@media (prefers-reduced-motion:reduce){.orbit,.orbit-node{animation:none}}

/* 质量 */
.badge-row{display:flex;gap:12px;flex-wrap:wrap}
.badge{border:1px solid var(--brand);color:var(--brand);border-radius:999px;padding:8px 20px;font-size:13.5px;font-weight:600;background:#fff}
.q-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.q-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow);transition:.25s}
.q-card:hover{transform:translateY(-4px)}
.q-card .icon{width:50px;height:50px;border-radius:12px;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.q-card h3{font-size:17.5px;margin-bottom:10px}
.q-card p{color:var(--muted);font-size:14px}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);text-align:center}
.cert-card .seal{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;border:3px solid var(--accent);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--brand)}
.cert-card h3{font-size:16.5px;margin-bottom:6px}
.cert-card p{font-size:13px;color:var(--muted)}
.plat-list{display:grid;gap:16px}
.plat-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 28px;box-shadow:var(--shadow-sm);display:flex;gap:20px;align-items:flex-start}
.plat-item .n{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800}
.plat-item h3{font-size:17px;margin-bottom:6px}
.plat-item p{font-size:14px;color:var(--muted)}

/* 关于 */
.timeline{position:relative;max-width:960px;margin:0 auto;padding-left:36px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--brand),var(--accent))}
.tl-item{position:relative;padding:0 0 36px 22px}
.tl-item::before{content:"";position:absolute;left:-33px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item .year{font-size:20px;font-weight:800;color:var(--brand);margin-bottom:6px}
.tl-item h3{font-size:16.5px;margin-bottom:4px}
.tl-item p{font-size:14px;color:var(--muted)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow-sm)}
.value-card .icon{font-size:30px;margin-bottom:12px}
.value-card h3{font-size:17px;margin-bottom:8px}
.value-card p{font-size:13.5px;color:var(--muted)}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-list{display:grid;gap:18px;max-width:980px;margin:0 auto}
.news-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow-sm);display:flex;gap:24px;align-items:flex-start;transition:.2s}
.news-item:hover{border-color:var(--brand)}
.news-item .date{flex-shrink:0;text-align:center;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:12px 18px;min-width:92px}
.news-item .date b{display:block;font-size:22px;color:var(--brand)}
.news-item .date span{font-size:12px;color:var(--muted)}
.news-item h3{font-size:18px;margin-bottom:8px}
.news-item p{font-size:14px;color:var(--muted)}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px)}
.news-card .news-date{background:linear-gradient(120deg,var(--brand),var(--accent));color:#fff;padding:18px 26px;display:flex;align-items:baseline;gap:10px}
.news-card .news-date b{font-size:26px;font-weight:800}
.news-card .news-date span{font-size:13px;opacity:.85}
.news-card .news-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:12px}
.news-card p{color:var(--muted);font-size:13.5px;flex:1}
a.news-card{color:inherit;text-decoration:none}
a.news-card .wx-read{margin-top:14px;font-size:13px;font-weight:600;color:var(--brand)}
a.news-card:hover .wx-read{text-decoration:underline}
.news-more{margin-top:18px;font-size:13.5px;color:var(--brand);font-weight:600}
.news-cta{text-align:center;margin-top:44px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:start}
.contact-info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-sm);margin-bottom:20px}
.contact-info-card h3{font-size:17px;margin-bottom:14px}
.contact-info-card ul{list-style:none;display:grid;gap:12px}
.contact-info-card li{display:flex;gap:12px;font-size:14.5px;color:#2b3a55}
.contact-info-card li .ic{color:var(--brand)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.contact-form h3{font-size:19px;margin-bottom:6px}
.contact-form .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:24px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-field{margin-bottom:16px}
.f-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.f-field label em{color:#d33;font-style:normal}
.f-field input,.f-field textarea,.f-field select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14.5px;font-family:inherit;outline:none;transition:.2s}
.f-field textarea{min-height:120px;resize:vertical}
.f-field input:focus,.f-field textarea:focus,.f-field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(10,84,200,.12)}
.hp-field{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:10px;font-size:14px}
.form-msg.ok{display:block;background:#e8f7ee;color:#16794a;border:1px solid #bfe8cf}
.form-msg.err{display:block;background:#fdeeee;color:#b02a2a;border:1px solid #f3c6c6}

/* Footer */
.site-footer{background:#0a1428;color:#c3cede;padding:70px 0 0}
.footer-grid{max-width:var(--max);margin:0 auto;padding:0 32px 50px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer-grid ul{list-style:none;display:grid;gap:10px}
.footer-grid a{font-size:14px;color:#c3cede}
.footer-grid a:hover{color:#fff}
.footer-brand p{font-size:14px;color:#8fa0b8;margin-top:14px;max-width:320px}
.footer-contact li{display:flex;gap:10px;font-size:14px;flex-wrap:wrap}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 32px 6px;text-align:center;font-size:13px;color:#7d8ea6}
.footer-legal{padding:0 32px 22px;text-align:center;font-size:12.5px;color:#6d7f96;letter-spacing:.2px}
.footer-legal a{color:#8ea3bd;transition:color .2s ease}
.footer-legal a:hover{color:#cfe0f5;text-decoration:underline}

@media (max-width:1080px){
  .home-cats,.cert-grid{grid-template-columns:1fr 1fr}
  .sol-grid{grid-template-columns:1fr 1fr}
  .sol-wide{grid-column:span 2}
  .q-grid,.value-grid{grid-template-columns:1fr 1fr}
  .support-wrap,.contact-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .stat:nth-child(3)::before{display:none}
  .strength-grid{grid-template-columns:1fr}
  .strength-band .inner{grid-template-columns:1fr 1fr;row-gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-metrics{display:none}
}
@media (max-width:720px){
  .desktop-nav,.header-cta{display:none}
  .nav-toggle{display:block}
  /* 语言切换器在窄屏压缩，避免 header 溢出 */
  .header-inner{gap:10px}
  .header-tools{gap:6px;margin-left:auto}
  .lang-btn{padding:6px 10px;font-size:12px;gap:4px}
  .lang-btn b{font-size:12px}
  .lang-btn svg{width:13px;height:13px}
  .lang-menu{min-width:118px}
  .hero-slide{min-height:500px;padding:70px 0}
  .hero-grid-deco{display:none}
  .home-cats,.sol-grid,.news-grid,.q-grid,.value-grid,.cert-grid{grid-template-columns:1fr}
  .sol-wide{grid-column:span 1}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat+.stat::before{display:none}
  .container,.header-inner,.stats-grid,.footer-grid{padding-left:20px;padding-right:20px}
  .f-row{grid-template-columns:1fr}
  .news-item{flex-direction:column;gap:14px}
  /* 手机端产品表：收紧留白 + 列不换行（避免行被撑高）+ 右缘渐隐提示可横向滑动 */
  table.pdt th{padding:11px 12px;font-size:12.5px}
  table.pdt td{padding:11px 12px;font-size:13px;line-height:1.5}
  table.pdt td:nth-child(3),table.pdt td:nth-child(4),table.pdt td:nth-child(5){white-space:nowrap}
  .table-wrap{-webkit-mask-image:linear-gradient(to right,#000 86%,transparent 100%);mask-image:linear-gradient(to right,#000 86%,transparent 100%)}
  /* 视频区窄屏改单列：否则 1.45fr/1fr 双列会把播放器和按钮挤变形 */
  .video-band{grid-template-columns:1fr;gap:20px;padding:18px;margin-top:36px}
  .video-band video{border-radius:10px}
  .video-info h2{font-size:22px;margin:4px 0 10px}
  .video-info p{font-size:14.5px;line-height:1.75}
  .video-info .v-meta{margin-top:14px;gap:8px}
  .video-info .v-meta span{font-size:12px;padding:5px 11px}
}