/* ============================================================
   香港明豐模具廠 · 苹果式极简风格
   干净、留白、系统字体、玻璃拟态导航、胶囊按钮、细边框卡片
   ============================================================ */

/* ---------- 变量 ---------- */
:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --gray:#e9eef5;
  --text:#0f2138;
  --muted:#4f5f75;
  --faint:#7e8da3;
  --line:#d3dde8;
  --line-soft:#e6ecf3;
  --accent:#c94a0d;
  --accent-hover:#f2762e;
  --accent-soft:rgba(201,74,13,.10);
  --dark:#0a1f33;
  --dark-2:#061729;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 2px 10px rgba(0,0,0,.05);
  --shadow-lg:0 16px 40px rgba(0,0,0,.10);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --header-h:64px;
}

/* ---------- 基础 ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;letter-spacing:.1px}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent-hover)}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1180px;margin-inline:auto;padding-inline:24px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
::selection{background:rgba(201,74,13,.18)}
:focus-visible{outline:3px solid rgba(201,74,13,.45);outline-offset:2px;border-radius:6px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg);color:var(--faint);font-size:12.5px;border-bottom:1px solid var(--line-soft)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:16px}
.topbar a{color:var(--accent)}
.topbar a:hover{text-decoration:underline}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar svg{vertical-align:-3px;margin-right:6px}

/* ---------- 导航（玻璃拟态） ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{width:auto;height:32px}
.brand-name{line-height:1.15}
.brand-name strong{display:block;font-size:16px;color:var(--text);font-weight:600;letter-spacing:.3px}
.brand-name span{font-size:10px;color:var(--faint);letter-spacing:2px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:8px 14px;border-radius:8px;font-size:13px;color:var(--text);font-weight:400;transition:color .2s}
.nav a:hover{color:var(--accent)}
.nav a.active{color:var(--accent);font-weight:600}
.nav .btn-nav{margin-left:8px}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;place-items:center}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮（胶囊） ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:980px;font-size:14.5px;font-weight:500;border:1.5px solid transparent;transition:background .2s,color .2s,transform .2s,box-shadow .2s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:var(--dark-2);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:13px}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--gray)}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.eyebrow{display:inline-block;color:var(--accent);font-weight:600;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px}
.section-head h2{font-size:40px;color:var(--text);line-height:1.2;letter-spacing:-.5px;font-weight:600}
.section-head p{color:var(--muted);margin-top:14px;font-size:17px}
.section-head .rule{display:none}

/* ---------- 产品系列：模糊背景跟随 ---------- */
.products-showcase{position:relative;overflow:hidden;background:var(--bg)}
.products-showcase .products-bg{position:absolute;inset:-40px;background-size:cover;background-position:center;filter:blur(26px) saturate(1.08) brightness(.98);transform:scale(1.05);opacity:0;transition:opacity .7s ease;will-change:opacity,background-image}
.products-showcase .products-bg.is-on{opacity:1}
.products-showcase .products-shade{position:absolute;inset:0;background:
  radial-gradient(620px 360px at 12% 16%,rgba(242,118,46,.20),transparent 62%),
  radial-gradient(640px 380px at 88% 84%,rgba(0,113,227,.16),transparent 62%),
  linear-gradient(160deg,rgba(5,12,22,.72) 0%,rgba(10,31,51,.52) 48%,rgba(5,12,22,.78) 100%);pointer-events:none}
.products-showcase .container{position:relative;z-index:2}
.products-showcase .section-head .eyebrow{color:#ffc299}
.products-showcase .section-head h2{color:#fff}
.products-showcase .section-head p{color:#dbe4ef}
.products-showcase .section-head .rule{display:block;width:74px;height:4px;border-radius:999px;margin:20px auto 0;background:linear-gradient(90deg,#ff8a3d,#f7b26b)}
.products-showcase .filter-btn{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.07)}
.products-showcase .filter-btn:hover{background:rgba(255,255,255,.16);color:#fff}
.products-slider-track .product-card .cat{background:linear-gradient(135deg,#c94a0d,#f2762e);color:#fff;box-shadow:0 3px 10px rgba(201,74,13,.28);border:none}

/* ---------- 首页主横幅 ---------- */
.hero{position:relative;min-height:620px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--dark-2)}
.hero-bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.65}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(0,0,0,.78) 0%,rgba(0,0,0,.55) 52%,rgba(0,0,0,.22) 100%)}
.hero .container{position:relative;z-index:2;padding-block:100px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:7px 16px;border-radius:999px;font-size:13px;letter-spacing:.5px;margin-bottom:24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:#f2762e}
.hero h1{font-size:58px;line-height:1.12;letter-spacing:-1.2px;max-width:700px;font-weight:600}
.hero h1 em{font-style:normal;color:#ffc8a1}
.hero .lead{max-width:580px;margin-top:20px;font-size:19px;color:#e8e8ed;font-weight:400}
.hero-actions{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:48px;flex-wrap:wrap}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#c7c7cc}
.hero-trust svg{color:#f2762e}

/* ---------- 首页第一板块（产品模糊轮播） ---------- */
.home-hero{position:relative;min-height:calc(100vh - 100px);display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--dark);padding:88px 0}
.home-hero .hero-slides{position:absolute;inset:0;z-index:0}
.home-hero .hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.12);filter:blur(13px) saturate(1.08);opacity:0;transition:opacity 1.4s ease;will-change:opacity}
.home-hero .hero-slide.is-active{opacity:1}
.home-hero .hero-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(160deg,rgba(5,12,22,.72) 0%,rgba(10,31,51,.52) 48%,rgba(5,12,22,.76) 100%)}
.home-hero .hero-copy{position:relative;z-index:2}
.home-hero .hero-copy .eyebrow{color:#ffc299}
.home-hero h1{font-size:56px;line-height:1.15;letter-spacing:-1px;font-weight:600;color:#fff;margin:0 auto;max-width:820px}
.home-hero h1 em{font-style:normal;color:#ff9d5c}
.home-hero p{max-width:680px;margin:18px auto 0;color:#dbe4ef;font-size:17px;line-height:1.75}
.home-hero .hero-actions{margin-top:34px}
.home-hero .btn-ghost{border-color:rgba(255,255,255,.75);color:#fff}
.home-hero .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.home-hero .hero-dots{position:absolute;left:0;right:0;bottom:28px;z-index:3;display:flex;justify-content:center;gap:10px}
.home-hero .hero-dot{width:9px;height:9px;border-radius:999px;border:none;background:rgba(255,255,255,.38);padding:0;cursor:pointer;transition:background .25s,transform .25s,width .25s}
.home-hero .hero-dot.is-active{width:26px;background:#f2762e}
.home-hero .hero-dot:hover{background:rgba(255,255,255,.75)}

/* ---------- 数据带 ---------- */
.stats{background:var(--bg);padding:48px 0 88px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center;background:var(--gray);border-radius:var(--radius-lg);padding:44px 32px;box-shadow:var(--shadow)}
.stats-item .num{font-size:46px;font-weight:600;color:var(--text);line-height:1.1;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stats-item .num small{font-size:20px;font-weight:600}
.stats-item .label{margin-top:6px;color:var(--faint);font-size:14px;letter-spacing:.5px}

/* ---------- 网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.products-slider{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px}
.products-slider-viewport{overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-behavior:smooth;padding:8px 0 12px;margin:-8px 0 -12px}
.products-slider-viewport::-webkit-scrollbar{display:none}
.products-slider-track{display:flex;align-items:stretch;gap:18px}
.products-slider-track .product-card{flex:0 0 auto;width:calc((100% - 36px)/3)}
.products-slider-track .reveal{opacity:1;transform:none}
.products-slider-track .product-card .body{padding:18px}
.products-slider-track .product-card .body h3{font-size:16px}
.products-slider-track .product-card .spec-list{font-size:12px}
.products-slider-track .product-card .spec-list li{font-size:12px;gap:10px}
.products-slider-track .pt-card{display:flex;flex-direction:column}
.products-slider-track .pt-card .pt-pic{aspect-ratio:auto;flex:1 1 auto;min-height:150px}
.products-slider-track .pt-card .pt-info{padding:14px 16px 16px}
.products-note{margin:-26px auto 28px;max-width:860px;text-align:center;color:#dbe4ef;font-size:14px;line-height:1.8}
/* 产品大图浏览 */
.waterfall .pt-card{cursor:zoom-in}
.img-lightbox{position:fixed;inset:0;z-index:10000;background:rgba(5,10,18,.94);display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.img-lightbox[hidden]{display:none}
.img-lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:10px;box-shadow:0 20px 80px rgba(0,0,0,.6);background:#0d0d0d}
.img-lightbox-cap{position:absolute;left:0;right:0;bottom:26px;text-align:center;color:#fff;font-size:14px;letter-spacing:.3px;opacity:.92;padding:0 20px}
.img-lightbox-btn{position:absolute;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;font-size:24px;line-height:1;transition:background .2s,transform .2s}
.img-lightbox-btn:hover{background:rgba(255,255,255,.2);transform:scale(1.06)}
.img-lightbox-close{top:22px;right:22px}
.img-lightbox-prev{left:18px;top:50%;transform:translateY(-50%)}
.img-lightbox-prev:hover{transform:translateY(-50%) scale(1.06)}
.img-lightbox-next{right:18px;top:50%;transform:translateY(-50%)}
.img-lightbox-next:hover{transform:translateY(-50%) scale(1.06)}
@media (max-width:560px){.img-lightbox-btn{width:40px;height:40px;font-size:20px}.img-lightbox-prev{left:8px}.img-lightbox-next{right:8px}.img-lightbox-cap{bottom:16px;font-size:13px}}
.products-slider-track .pt-card .pt-info{align-items:stretch}
.pt-specs{display:grid;grid-template-columns:auto 1fr;gap:5px 10px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line-soft);font-size:12px;line-height:1.5}
.pt-specs span{color:var(--muted)}
.pt-specs b{text-align:right;color:var(--text);font-weight:600}
.products-slider-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--dark);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow);flex-shrink:0;transition:color .2s,border-color .2s,background .2s,opacity .2s}
.products-slider-btn svg{width:20px;height:20px}
.products-slider-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.products-slider-btn:disabled{opacity:.35;cursor:default}
@media (min-width:1500px){.products-slider-track .product-card{width:calc((100% - 54px)/4)}}
@media (max-width:860px){.products-slider-track .product-card{width:calc((100% - 18px)/2)}}
@media (max-width:480px){.products-slider-track .product-card{width:100%}}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7c7cc}

/* 产品卡片 */
.product-card .pic{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--gray)}
.product-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.product-card:hover .pic img{transform:scale(1.04)}
.product-card .cat{position:absolute;left:14px;top:14px;z-index:2;background:rgba(0,0,0,.6);color:#fff;font-size:12px;letter-spacing:.5px;padding:5px 12px;border-radius:999px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.product-card .body{padding:24px}
.product-card .body h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:10px}
.product-card .desc{font-size:14px;color:var(--muted);line-height:1.6}
.spec-list{margin-top:16px;border-top:1px solid var(--line-soft);padding-top:12px;display:grid;gap:8px}
.spec-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px}
.spec-list li span{color:var(--faint);white-space:nowrap}
.spec-list li b{color:var(--text);font-weight:600;text-align:right;white-space:nowrap}
.product-card .foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft)}
.product-card .price{font-size:19px;font-weight:600;color:var(--text)}
.product-card .price small{font-size:12.5px;color:var(--faint);font-weight:400}
.products-teaser{position:relative;margin-top:56px;padding:46px 42px 50px;border-radius:30px;overflow:hidden;background:linear-gradient(150deg,rgba(16,29,52,.96) 0%,rgba(5,14,28,.98) 100%);border:1px solid rgba(255,255,255,.10);box-shadow:0 24px 60px rgba(4,10,22,.35)}
.products-teaser::before{content:"";position:absolute;left:-90px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(242,118,46,.18),transparent 65%);pointer-events:none}
.products-teaser::after{content:"";position:absolute;right:-110px;bottom:-150px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(0,113,227,.16),transparent 65%);pointer-events:none}
.products-teaser>*{position:relative;z-index:1}
.products-teaser-label{position:relative;text-align:center;margin-bottom:18px;color:var(--accent);font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase}
.products-teaser-label::after{content:"";display:block;width:52px;height:3px;border-radius:999px;margin:10px auto 0;background:linear-gradient(90deg,#ff8a3d,#f7b26b)}
.products-teaser-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pt-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;color:inherit;text-decoration:none;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.pt-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.pt-pic{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:#0d0d0d}
.pt-pic img{width:100%;height:100%;object-fit:contain;transition:transform .45s ease}
.pt-card:hover .pt-pic img{transform:scale(1.03)}
.pt-brand{position:absolute;left:12px;top:12px;z-index:2;background:linear-gradient(135deg,#c94a0d,#f2762e);color:#fff;font-style:normal;font-size:11px;font-weight:500;letter-spacing:.5px;padding:4px 10px;border-radius:999px;box-shadow:0 3px 10px rgba(201,74,13,.28);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.pt-count{position:absolute;right:10px;top:10px;z-index:2;background:rgba(10,31,51,.78);color:#fff;font-size:11px;letter-spacing:.5px;padding:4px 10px;border-radius:999px}
.waterfall .pt-card{cursor:zoom-in}
.pt-info{display:block;padding:12px 14px 14px;text-align:center}
.pt-title{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s ease}
.pt-card:hover .pt-title{color:var(--accent)}
.pt-desc{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-top:4px;font-size:12px;color:var(--muted);line-height:1.5}
.products-teaser-cta{position:relative;text-align:center;margin-top:28px}
.products-teaser-cta .btn-dark{background:#fff;color:var(--dark);border-color:#fff}
.products-teaser-cta .btn-dark:hover{background:#f2762e;color:#fff;border-color:#f2762e}
@media (max-width:860px){.products-teaser{padding:34px 26px 40px}}
@media (max-width:560px){.products-teaser{padding:28px 16px 34px}.products-teaser-label{margin-bottom:14px}.pt-info{padding:10px 10px 12px}.pt-title{font-size:13px}.products-teaser-cta{margin-top:22px}}
.waterfall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:6px}
.waterfall .product-card{display:block;width:auto;margin:0}
.waterfall .product-card .pic{aspect-ratio:4/3;height:auto;background:#0d0d0d}
.waterfall .product-card .pic img{width:100%;height:100%;object-fit:contain}
@media (max-width:1024px){.waterfall{grid-template-columns:repeat(3,1fr);gap:14px}}
@media (max-width:760px){.waterfall{grid-template-columns:repeat(2,1fr);gap:12px}}
@media (max-width:480px){.waterfall{grid-template-columns:repeat(2,1fr);gap:10px}.waterfall .product-card .body{padding:12px}}

/* 特色卡（为什么选择我们等） */
.feature-card{background:transparent;border-radius:var(--radius);padding:34px 26px;text-align:center;transition:transform .25s,background .25s}
.feature-card:hover{background:var(--bg);transform:translateY(-3px)}
.feature-card .icon{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.feature-card .icon svg{width:26px;height:26px}
.feature-card h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* 资质证书照片墙 */
.cert-gallery{margin-top:52px;background:var(--card);border:1px solid var(--line-soft);border-radius:24px;padding:30px;box-shadow:var(--shadow)}
.cert-gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cert-gallery figure{margin:0;background:var(--card);border:1px solid var(--line-soft);border-radius:12px;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s}
.cert-gallery figure:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.cert-link{display:block;cursor:zoom-in}
.cert-gallery img{width:100%;height:auto;display:block}
.cert-gallery-note{margin-top:22px;text-align:center;font-size:13px;letter-spacing:.5px;color:var(--faint)}
@media (max-width:900px){.cert-gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.cert-gallery{padding:20px}.cert-gallery-grid{grid-template-columns:repeat(2,1fr);gap:10px}}

/* 证书大图浏览 */
.cert-lightbox{position:fixed;inset:0;z-index:10000;background:rgba(5,10,18,.94);display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.cert-lightbox[hidden]{display:none}
.cert-lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:8px;box-shadow:0 20px 80px rgba(0,0,0,.6);background:#fff;padding:8px}
.cert-lightbox-btn{position:absolute;width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .2s,transform .2s}
.cert-lightbox-btn:hover{background:rgba(255,255,255,.2);transform:scale(1.06)}
.cert-lightbox-btn svg{width:22px;height:22px}
.cert-lightbox-close{top:22px;right:22px}
.cert-lightbox-prev{left:18px;top:50%;transform:translateY(-50%)}
.cert-lightbox-prev:hover{transform:translateY(-50%) scale(1.06)}
.cert-lightbox-next{right:18px;top:50%;transform:translateY(-50%)}
.cert-lightbox-next:hover{transform:translateY(-50%) scale(1.06)}
.cert-lightbox-count{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:rgba(255,255,255,.75);font-size:13px;letter-spacing:1px}

/* 车间卡片 */
.env-card{display:block;position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--gray)}
.env-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.env-card:hover img{transform:scale(1.05)}
.env-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.72) 100%)}
.env-card .cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 22px;color:#fff}
.env-card .cap b{font-size:17px;font-weight:600;display:block}
.env-card .cap span{font-size:13px;color:#d2d2d7}
.env-card .cap .more{display:inline-block;margin-top:7px;font-size:12.5px;color:#f2762e;letter-spacing:.3px}
.env-card .cap .more:hover{text-decoration:underline}

/* 流程步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px 30px;text-align:center;transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:-17px;left:50%;transform:translateX(-50%);width:36px;height:36px;border-radius:50%;background:var(--dark);color:#fff;font-weight:600;display:grid;place-items:center;font-size:14px}
.step .icon{width:30px;height:30px;margin:6px auto 14px;color:var(--accent)}
.step .icon svg{width:30px;height:30px}
.step h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:10px}
.step p{font-size:14px;color:var(--muted);line-height:1.65}

/* CTA 横幅 */
.cta-banner{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-banner img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.cta-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(0,0,0,.82) 0%,rgba(0,0,0,.55) 60%,rgba(0,0,0,.3) 100%)}
.cta-banner .inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:72px 56px;color:#fff;text-align:center}
.cta-banner h3{font-size:28px;font-weight:600;letter-spacing:-.4px}
.cta-banner p{margin-top:8px;font-size:15px;color:#d2d2d7}

/* ---------- 内页横幅 ---------- */
.page-hero{background:var(--bg);padding:72px 0 48px;text-align:center}
.page-hero .bg{display:none}
.page-hero h1{font-size:44px;font-weight:600;letter-spacing:-.8px;color:var(--text)}
.page-hero .crumb{margin-top:12px;font-size:13.5px;color:var(--faint)}
.page-hero .crumb a{color:var(--accent)}
.page-hero .crumb a:hover{text-decoration:underline}

/* 分类筛选按钮 */
.filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.filter-btn.active:hover{background:var(--accent-hover);color:#fff}

/* ---------- 左右分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split .media{position:relative}
.split .media img{border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.split .media .stamp{position:absolute;right:-14px;bottom:-14px;background:rgba(0,0,0,.78);color:#fff;padding:16px 22px;border-radius:14px;box-shadow:var(--shadow-lg);text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.split .media .stamp b{display:block;font-size:24px;font-weight:600;line-height:1.1}
.split .media .stamp span{font-size:12px;letter-spacing:1px;color:#d2d2d7}
.text-block h2{font-size:32px;color:var(--text);line-height:1.3;margin-bottom:16px;font-weight:600;letter-spacing:-.5px}
.text-block p{color:var(--muted);margin-bottom:14px;font-size:15.5px}
.text-block .lead-p{color:var(--text);font-size:17px}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list svg{width:19px;height:19px;color:var(--accent);flex-shrink:0;margin-top:4px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1.5px;background:var(--line)}
.timeline li{position:relative;padding:0 0 34px 18px}
.timeline li::before{content:"";position:absolute;left:-30px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--bg);border:2px solid var(--accent)}

/* Canvas UI Glass（导航栏与产品卡水晶球效果） */
.glass-root{position:relative}
.glass-root--header{position:sticky;top:0;z-index:60}
.glass-root--header .site-header{position:static}
.glass-source{display:block;width:100%;border:0;padding:0;margin:0;background:transparent}
.glass-source .glass-content{position:relative;width:100%}
.glass-content{position:relative;width:100%}
.glass-output{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none}
.glass-root.glass-fallback .glass-output{display:none}
.timeline .year{display:inline-block;background:var(--gray);color:var(--text);font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:8px}
.timeline h3{font-size:18px;font-weight:600;color:var(--text);margin-bottom:6px}
.timeline p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* 价值观卡 */
.value-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:transform .25s,box-shadow .25s}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.value-card .icon{width:54px;height:54px;margin:0 auto 18px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.value-card .icon svg{width:26px;height:26px}
.value-card h3{font-size:19px;font-weight:600;color:var(--text);margin-bottom:10px}
.value-card p{font-size:14.5px;color:var(--muted);line-height:1.65}

/* 资质徽章 */
.badges{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:48px}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);color:var(--text);font-size:13.5px;font-weight:500;padding:10px 18px;border-radius:999px}
.badge svg{width:16px;height:16px;color:var(--accent)}

/* 质控步骤 */
.qc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.qc-step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;transition:transform .25s,box-shadow .25s}
.qc-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.qc-step .n{font-size:52px;font-weight:600;color:var(--line);letter-spacing:-1px;line-height:1}
.qc-step h3{font-size:18px;font-weight:600;color:var(--text);margin:14px 0 10px}
.qc-step p{font-size:14px;color:var(--muted);line-height:1.65}

/* 设备表 */
.equip-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.equip-table th{font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--faint);font-weight:600;text-align:left;padding:16px 20px;background:var(--gray);border-bottom:1px solid var(--line)}
.equip-table td{padding:14px 20px;font-size:14.5px;color:var(--text);border-bottom:1px solid var(--line-soft)}
.equip-table tr:last-child td{border-bottom:0}
.equip-table .qty{font-weight:600;color:var(--accent);white-space:nowrap}

/* ---------- 联系方式 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:28px;align-items:start}
.contact-cards{display:grid;gap:16px}
.contact-card{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.contact-card .icon{width:46px;height:46px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex-shrink:0}
.contact-card .icon svg{width:22px;height:22px}
.contact-card h3{font-size:15.5px;font-weight:600;color:var(--text);margin-bottom:6px}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.6}
.contact-card p a{color:var(--accent)}
.contact-card p a:hover{text-decoration:underline}

/* 表单 */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px}
.form-card h2{font-size:24px;font-weight:600;color:var(--text);letter-spacing:-.3px}
.form-card>p{margin-top:8px;font-size:14px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.form-item{display:grid;gap:7px}
.form-item.full{grid-column:1/-1}
.form-item label{font-size:13.5px;font-weight:500;color:var(--text)}
.form-item label i{color:var(--accent);font-style:normal}
.form-item input,.form-item select,.form-item textarea{border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;font-family:inherit;background:var(--bg);transition:border-color .2s,box-shadow .2s;width:100%}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(201,74,13,.16)}
.form-item textarea{min-height:120px;resize:vertical}
.upload-box{position:relative;border:1.5px dashed var(--line);border-radius:14px;padding:26px 18px;background:var(--bg);text-align:center;cursor:pointer;transition:border-color .2s,background .2s}
.upload-box:hover{border-color:var(--accent);background:var(--accent-soft)}
.upload-box input[type="file"]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.upload-box .upload-hint{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--faint);font-size:13.5px;pointer-events:none}
.upload-box .upload-hint svg{width:26px;height:26px;color:var(--accent)}
.upload-box.is-drag{border-color:var(--accent);background:var(--accent-soft)}
.upload-previews{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;pointer-events:none}
.upload-previews img{width:88px;height:88px;object-fit:cover;border-radius:10px;border:1px solid var(--line-soft);background:#fff}
.form-item .form-error{border-color:#ff3b30}
.form-note{margin-top:14px;font-size:12.5px;color:var(--faint);text-align:center}
.form-ok{display:none;align-items:center;gap:8px;margin-top:16px;padding:14px 18px;border-radius:12px;background:rgba(52,199,89,.12);color:#1d7f3a;font-size:14px}
.form-ok.show{display:flex}
.form-ok svg{width:18px;height:18px;flex-shrink:0}

/* 地图示意 */
.map-box{position:relative;margin-top:28px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.map-box img{width:100%;height:320px;object-fit:cover}
.map-box .pin{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50% 50% 50% 0;background:var(--accent);transform:rotate(-45deg);display:grid;place-items:center;box-shadow:0 8px 20px rgba(201,74,13,.38)}
.map-box .pin svg{width:20px;height:20px;color:#fff;transform:rotate(45deg)}
.map-cap{background:var(--gray);padding:14px 20px;font-size:13px;color:var(--muted);text-align:center}

/* 合作伙伴卡 */
/* 合作产品图集（横向滑动） */
.partner-gallery-wrap{margin-top:6px}
.partner-gallery-wrap .gallery-tip{font-size:12.5px;color:var(--faint);margin-bottom:12px}
.partner-gallery{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.partner-gallery img{height:150px;width:auto;border-radius:10px;flex-shrink:0;scroll-snap-align:start;transition:opacity .2s,transform .2s}
.partner-gallery img:hover{opacity:.85;transform:scale(1.02)}
.partner-gallery::-webkit-scrollbar{height:6px}
.partner-gallery::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.partner-gallery::-webkit-scrollbar-track{background:transparent}
@media (max-width:560px){.partner-gallery img{height:110px}}

.partner-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:block;transition:transform .25s,box-shadow .25s,border-color .25s}
.partner-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7c7cc}
.partner-card img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.partner-card .body{padding:24px}
.partner-card .body b{font-size:26px;font-weight:600;color:var(--text);letter-spacing:.5px}
.partner-card .body .years{display:inline-block;margin:8px 0 10px 12px;color:var(--accent);font-weight:600;font-size:14px}
.partner-card .body p{font-size:14px;color:var(--muted)}
.partner-card .body em{display:inline-block;margin-top:12px;font-style:normal;color:var(--accent);font-weight:500;font-size:13.5px}
.partner-card:hover .body em{text-decoration:underline}

/* 首页合作伙伴小卡 */
.partner-mini-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center;transition:transform .25s,box-shadow .25s}
.partner-mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.partner-mini-card b{display:block;font-size:24px;font-weight:600;color:var(--text);letter-spacing:.5px}
.partner-mini-card span{display:inline-block;margin-top:8px;font-size:13px;color:var(--accent);font-weight:600}
.partner-mini-card p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- 页脚（深藏蓝） ---------- */
.site-footer{background:var(--dark);color:#a8b8cc;font-size:13px}
.footer-top{padding:56px 0 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-name strong{color:#f2f5fa;font-size:16px;font-weight:600}
.footer-brand .brand-name span{color:#8fa3bd;font-size:10px}
.footer-brand p{font-size:13px;margin-top:14px;max-width:300px;color:#a8b8cc;line-height:1.7}
.site-footer h4{color:#f2f5fa;font-size:12.5px;font-weight:600;letter-spacing:.5px;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{font-size:13px;color:#a8b8cc}
.site-footer ul a:hover{color:#f2b28d;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:13px;margin-bottom:12px;color:#a8b8cc}
.footer-contact svg{width:16px;height:16px;color:#f2762e;flex-shrink:0;margin-top:2px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:12px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8297b1}
.footer-bottom a{color:#8297b1}
.footer-bottom a:hover{color:#fff;text-decoration:underline}
.footer-bottom .icp-record{white-space:nowrap}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .home-hero h1{font-size:44px}
  .grid-3,.grid-4,.qc-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .footer-top{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
  .hero h1{font-size:44px}
}
@media (max-width:860px){
  .home-hero{min-height:620px;padding:72px 0}
  .home-hero h1{font-size:34px}
  .nav{position:fixed;inset:var(--header-h) 0 auto 0;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;align-items:stretch;padding:16px 24px 28px;gap:2px;border-bottom:1px solid var(--line-soft);box-shadow:var(--shadow-lg);transform:translateY(-140%);transition:transform .3s;max-height:calc(100vh - var(--header-h));overflow:auto}
  .nav.open{transform:none}
  .nav a{padding:14px 14px;font-size:16px;border-radius:10px}
  .nav .btn-nav{margin:10px 0 0}
  .nav-toggle{display:grid}
  .split,.contact-grid{grid-template-columns:1fr;gap:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 16px;padding:36px 20px}
  .hero{min-height:540px}
  .hero h1{font-size:36px}
  .page-hero h1{font-size:32px}
}
@media (max-width:560px){
  .home-hero{min-height:540px;padding:56px 0}
  .home-hero h1{font-size:28px}
  .home-hero p{font-size:15px}
  .grid-3,.grid-4,.grid-2,.steps,.qc-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .section-head h2{font-size:28px}
  .form-grid{grid-template-columns:1fr}
  .topbar .tb-right span:first-child{display:none}
  .hero h1{font-size:30px}
  .hero .lead{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stats-item .num{font-size:36px}
  .cta-banner .inner{padding:40px 26px}
  .cta-banner h3{font-size:22px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .timeline{padding-left:24px}
  .contact-card{padding:16px}
  .form-card{padding:24px}
  .map-box img{height:240px}
}