/* ============================================================
   恒锐精密钣金 · 前台样式
   ============================================================ */
:root{
  --ink:#0b1119; --ink-2:#101923; --ink-3:#18232f;
  --paper:#ffffff; --paper-2:#f5f7f9; --paper-3:#eef2f5;
  --text:#17212c; --text-2:#4a5866; --text-3:#8693a1;
  --light:#eef3f8; --light-2:#9aabbb; --light-3:#65788b;
  --line:#e3e9ee; --line-dark:rgba(255,255,255,.10);
  --accent:#f2720b; --accent-2:#ff9c3f; --accent-soft:#fff3e8;
  --max:1280px; --radius:4px; --shadow:0 18px 48px rgba(18,32,46,.09);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
ul,ol{list-style:none}
::selection{background:var(--accent);color:#fff}
.container{max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:104px 0;position:relative}
.section-sm{padding:72px 0}
.bg-soft{background:var(--paper-2)}
.bg-dark{background:var(--ink);color:var(--light)}
.bg-dark .sec-title{color:#fff}
.bg-dark .sec-desc{color:var(--light-2)}

/* ---------------- 通用排版 ---------------- */
.eyebrow{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--accent)}
.eyebrow.light{color:var(--accent-2)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:52px;flex-wrap:wrap}
.sec-title{font-size:clamp(30px,3.4vw,44px);line-height:1.25;font-weight:800;letter-spacing:-.5px}
.sec-title span{color:var(--accent)}
.sec-desc{color:var(--text-2);max-width:620px;margin-top:16px;font-size:15px;line-height:1.9}
.sec-more{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--accent);white-space:nowrap;padding-bottom:5px;border-bottom:1px solid rgba(242,114,11,.35);transition:.25s}
.sec-more:hover{gap:16px;border-color:var(--accent)}
.sec-more i{font-style:normal;font-size:18px;line-height:1}
.center{text-align:center}
.center .eyebrow{justify-content:center}
.center .sec-desc{margin-left:auto;margin-right:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 32px;border:1px solid transparent;border-radius:var(--radius);font-size:15px;font-weight:700;cursor:pointer;transition:.25s;white-space:nowrap;letter-spacing:.3px}
.btn i{font-style:normal;font-size:18px;line-height:1;transition:transform .25s}
.btn:hover i{transform:translateX(4px)}
.btn-primary{background:linear-gradient(120deg,var(--accent),#ff9330);color:#fff;box-shadow:0 10px 28px rgba(242,114,11,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,114,11,.35)}
.btn-outline{border-color:rgba(255,255,255,.38);color:#fff;background:rgba(255,255,255,.03)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}
.btn-line{border-color:var(--line);color:var(--text);background:transparent}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}

/* ---------------- 顶栏 ---------------- */
.header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s;border-bottom:1px solid transparent}
.header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 4px 22px rgba(15,28,40,.07)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:82px;gap:30px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:40px;height:40px;border-radius:6px;background:linear-gradient(135deg,var(--accent-2),var(--accent));display:grid;place-items:center;font-weight:900;font-size:21px;color:#fff;transform:skew(-8deg);box-shadow:0 6px 16px rgba(242,114,11,.35)}
.brand-mark span{transform:skew(8deg)}
.brand-txt strong{display:block;font-size:18px;letter-spacing:1px;color:#fff;line-height:1.2;transition:.3s}
.brand-txt small{display:block;font-size:9px;letter-spacing:2.4px;color:rgba(255,255,255,.55);text-transform:uppercase;margin-top:3px;transition:.3s}
.header.scrolled .brand-txt strong{color:var(--ink)}
.header.scrolled .brand-txt small{color:var(--text-3)}
.nav{display:flex;align-items:center;gap:34px;height:100%}
.nav a{position:relative;font-size:15px;font-weight:600;color:rgba(255,255,255,.86);height:100%;display:flex;align-items:center;transition:.25s;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--accent-2)}
.header.scrolled .nav a{color:var(--text-2)}
.header.scrolled .nav a:hover,.header.scrolled .nav a.active{color:var(--accent)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:22px;height:2px;background:var(--accent);transition:.3s}
.nav a:hover::after,.nav a.active::after{right:0}
.header-cta{display:flex;align-items:center;gap:18px;flex-shrink:0}
.header-tel{font-size:15px;font-weight:800;color:var(--accent-2);letter-spacing:.5px;white-space:nowrap}
.header.scrolled .header-tel{color:var(--accent)}
.header-tel small{display:block;font-size:10px;font-weight:500;color:rgba(255,255,255,.5);letter-spacing:1px}
.header.scrolled .header-tel small{color:var(--text-3)}
.hbtn{padding:11px 22px;font-size:14px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.3);border-radius:4px;background:transparent;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:.3s}
.nav-toggle span:nth-child(1){top:14px}.nav-toggle span:nth-child(2){top:20px}.nav-toggle span:nth-child(3){top:26px}
.header.scrolled .nav-toggle{border-color:var(--line)}
.header.scrolled .nav-toggle span{background:var(--ink)}
.nav-toggle.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

/* ---------------- 首屏 ---------------- */
.hero{position:relative;min-height:760px;height:100vh;max-height:940px;background:var(--ink);overflow:hidden;display:flex;align-items:center}
.hero-slides{position:absolute;inset:0;z-index:2}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 1s ease}
.hero-slide.active{opacity:1;visibility:visible;pointer-events:auto}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.04)}
.hero-slide.active .hero-bg{animation:heroZoom 9s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.07)}to{transform:scale(1)}}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,13,20,.95) 0%,rgba(8,13,20,.8) 38%,rgba(8,13,20,.24) 72%,rgba(8,13,20,.45) 100%),linear-gradient(0deg,rgba(8,13,20,.88),transparent 34%)}
.hero-grid{position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(90deg,#000,transparent 75%)}
.hero-inner{position:relative;z-index:2;width:100%;padding-top:60px}
.hero-content{max-width:760px}
.hero-tag{display:inline-flex;align-items:center;gap:12px;border:1px solid rgba(255,158,63,.4);background:rgba(242,114,11,.09);padding:8px 18px;border-radius:2px;font-size:11px;letter-spacing:2.6px;color:var(--accent-2);text-transform:uppercase;margin-bottom:30px}
.hero-tag::before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px var(--accent)}
.hero-kicker{font-size:clamp(15px,1.5vw,19px);color:rgba(255,255,255,.72);letter-spacing:5px;margin-bottom:16px;font-weight:300}
.hero h1{font-size:clamp(42px,5.6vw,78px);line-height:1.16;font-weight:800;color:#fff;letter-spacing:-1px;margin-bottom:24px;text-shadow:0 4px 30px rgba(0,0,0,.3)}
.hero h1 em{font-style:normal;color:var(--accent-2)}
.hero-desc{font-size:16px;line-height:2;color:rgba(255,255,255,.68);max-width:580px;margin-bottom:38px;white-space:pre-line}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-side{position:absolute;right:32px;bottom:120px;z-index:5;display:flex;flex-direction:column;gap:14px;align-items:flex-end}
.hero-side .idx{font-size:12px;color:rgba(255,255,255,.45);letter-spacing:2px}
.hero-side .idx b{color:var(--accent-2);font-size:22px;font-weight:700}
.hero-dots{display:flex;gap:8px}
.hero-dots button{width:34px;height:3px;border:0;background:rgba(255,255,255,.25);cursor:pointer;transition:.3s;padding:0}
.hero-dots button.active{background:var(--accent);width:56px}
.hero-bottom{position:absolute;left:0;right:0;bottom:0;z-index:5;border-top:1px solid rgba(255,255,255,.1)}
.hero-bottom .container{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.hero-feats{display:flex;gap:40px;flex-wrap:wrap}
.hero-feats span{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.5px}
.hero-feats b{color:var(--accent-2);font-size:18px;font-weight:700}
.hero-scroll{display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:2px;color:rgba(255,255,255,.45);text-transform:uppercase}
.hero-scroll i{width:22px;height:34px;border:1px solid rgba(255,255,255,.3);border-radius:12px;position:relative;font-style:normal}
.hero-scroll i::after{content:"";position:absolute;left:50%;top:7px;width:2px;height:7px;background:var(--accent);transform:translateX(-50%);animation:scrollDot 1.8s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translate(-50%,0)}50%{opacity:1}100%{opacity:0;transform:translate(-50%,10px)}}

/* ---------------- 数字条 ---------------- */
.stats{background:var(--paper);border-bottom:1px solid var(--line);position:relative}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 28px;text-align:center;border-right:1px solid var(--line);position:relative}
.stat:last-child{border-right:0}
.stat-num{font-size:clamp(34px,3.6vw,50px);font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:20px;color:var(--accent);margin-left:3px}
.stat-label{font-size:13px;color:var(--text-3);letter-spacing:2px;margin-top:8px}
.stat::after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--accent);transition:.35s;transform:translateX(-50%)}
.stat:hover::after{width:46px}

/* ---------------- 业务分类 ---------------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.32s;position:relative}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(242,114,11,.35)}
.cat-media{height:190px;background:var(--ink);overflow:hidden;position:relative}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cat-card:hover .cat-media img{transform:scale(1.07)}
.cat-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,17,25,.55),transparent 55%)}
.cat-no{position:absolute;left:20px;top:14px;z-index:1;font-size:12px;color:var(--accent-2);letter-spacing:2px;font-weight:700}
.cat-body{padding:24px 26px 28px}
.cat-body h3{font-size:20px;font-weight:700;display:flex;align-items:center;justify-content:space-between}
.cat-body h3 i{font-style:normal;color:var(--accent);font-size:20px;transition:transform .3s}
.cat-card:hover h3 i{transform:translateX(5px)}
.cat-body p{color:var(--text-3);font-size:13.5px;margin-top:9px;line-height:1.8;min-height:48px}

/* ---------------- 工艺能力（深色） ---------------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-dark);border-left:1px solid var(--line-dark)}
.cap-item{border-right:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:38px 34px;position:relative;transition:.3s;overflow:hidden}
.cap-item::before{content:"";position:absolute;left:0;top:0;height:2px;width:0;background:var(--accent);transition:.4s}
.cap-item:hover{background:rgba(255,255,255,.035)}
.cap-item:hover::before{width:100%}
.cap-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px}
.cap-icon{width:52px;height:52px;border:1px solid rgba(255,158,63,.32);border-radius:4px;display:grid;place-items:center;background:rgba(242,114,11,.08);color:var(--accent-2)}
.cap-icon svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.cap-no{font-size:12px;color:rgba(255,255,255,.24);letter-spacing:2px;font-weight:700}
.cap-item h3{font-size:21px;color:#fff;font-weight:700;margin-bottom:5px}
.cap-en{font-size:11px;letter-spacing:2.4px;color:var(--accent-2);text-transform:uppercase;margin-bottom:14px}
.cap-item p{font-size:13.5px;color:var(--light-3);line-height:1.9}

/* ---------------- 产品 ---------------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.32s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(242,114,11,.3)}
.prod-media{position:relative;height:232px;background:var(--ink);overflow:hidden}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.prod-card:hover .prod-media img{transform:scale(1.06)}
.prod-badge{position:absolute;left:0;top:18px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;letter-spacing:1px;padding:6px 14px}
.prod-cat{position:absolute;right:14px;bottom:14px;font-size:11px;color:rgba(255,255,255,.75);background:rgba(11,17,25,.7);padding:5px 12px;letter-spacing:1px;border:1px solid rgba(255,255,255,.14)}
.prod-body{padding:24px 26px 26px;flex:1;display:flex;flex-direction:column}
.prod-body h3{font-size:19px;font-weight:700;line-height:1.5;margin-bottom:10px;transition:color .25s}
.prod-card:hover .prod-body h3{color:var(--accent)}
.prod-body p{font-size:13.5px;color:var(--text-3);line-height:1.8;flex:1}
.prod-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px}
.prod-foot span{color:var(--text-3)}
.prod-foot b{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------------- 关于 ---------------- */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}
.about-visual{position:relative}
.about-visual .main-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--ink)}
.about-visual .main-img img{width:100%;height:100%;object-fit:cover}
.about-float{position:absolute;right:-28px;bottom:-28px;background:var(--ink);color:#fff;padding:26px 32px;min-width:210px;box-shadow:0 20px 44px rgba(11,17,25,.28)}
.about-float strong{display:block;font-size:44px;line-height:1;color:var(--accent-2);font-weight:800}
.about-float span{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:1.5px;margin-top:8px;display:block}
.about-text .sec-title{margin-bottom:22px}
.about-text p{color:var(--text-2);line-height:2.05;margin-bottom:16px;white-space:pre-line}
.about-points{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;margin:30px 0 34px}
.about-points li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--text)}
.about-points i{width:20px;height:20px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-style:normal;font-size:12px;flex-shrink:0}

/* ---------------- 优势 ---------------- */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why-card{padding:34px 28px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);transition:.3s}
.why-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.why-card .n{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:2px}
.why-card h3{font-size:19px;margin:14px 0 10px;font-weight:700}
.why-card p{font-size:13.5px;color:var(--text-3);line-height:1.85}

/* ---------------- 新闻 ---------------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.news-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}
.news-media{height:200px;overflow:hidden;background:var(--ink)}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover .news-media img{transform:scale(1.06)}
.news-body{padding:24px 26px 26px;flex:1;display:flex;flex-direction:column}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3);margin-bottom:14px}
.news-meta em{font-style:normal;color:var(--accent);font-weight:700}
.news-body h3{font-size:18px;line-height:1.6;font-weight:700;margin-bottom:12px;transition:color .25s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover h3{color:var(--accent)}
.news-body p{font-size:13.5px;color:var(--text-3);line-height:1.8;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{margin-top:20px;font-size:13px;color:var(--accent);font-weight:600;display:flex;align-items:center;gap:7px}

/* ---------------- CTA ---------------- */
.cta{position:relative;background:linear-gradient(115deg,#111b26 0%,#0b1119 55%,#1a1109 100%);color:#fff;padding:88px 0;overflow:hidden}
.cta::before{content:"";position:absolute;right:-8%;top:-60%;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(242,114,11,.22),transparent 65%)}
.cta::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(90deg,transparent,#000)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.3;margin-bottom:14px}
.cta h2 span{color:var(--accent-2)}
.cta p{color:rgba(255,255,255,.62);font-size:15px;max-width:560px}
.cta-action{display:flex;gap:14px;flex-wrap:wrap}

/* ---------------- 页脚 ---------------- */
.footer{background:#080d13;color:var(--light-2);padding-top:76px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:56px}
.footer .brand-txt strong{color:#fff}
.footer-about{font-size:13.5px;line-height:1.95;margin:22px 0;max-width:320px;color:#7c8d9e}
.footer h4{color:#fff;font-size:16px;margin-bottom:22px;font-weight:700;position:relative;padding-bottom:14px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer li{font-size:13.5px;margin-bottom:12px;display:flex;gap:10px;line-height:1.7}
.footer li a:hover{color:var(--accent-2)}
.footer li span{color:#5b6b7c;flex-shrink:0}
.footer-contact li{color:#a8b6c4}
.footer-contact strong{color:var(--accent-2);font-size:20px;display:block;letter-spacing:.5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;justify-content:space-between;gap:16px;font-size:12.5px;color:#5c6c7c;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------------- 内页头图 ---------------- */
.page-hero{position:relative;padding:170px 0 88px;background:var(--ink);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(242,114,11,.14),transparent 45%),radial-gradient(circle at 85% 30%,rgba(90,150,210,.14),transparent 45%)}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(90deg,#000,transparent 80%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(34px,4vw,52px);font-weight:800;letter-spacing:-.5px;margin-bottom:14px}
.page-hero p{color:rgba(255,255,255,.6);font-size:15.5px;max-width:650px;line-height:1.9}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.48);margin-top:26px}
.breadcrumb a:hover{color:var(--accent-2)}
.breadcrumb b{color:var(--accent-2);font-weight:500}
.crumb-sep{color:rgba(255,255,255,.25)}

/* ---------------- 列表与筛选 ---------------- */
.filter-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:0 0 34px;border-bottom:1px solid var(--line);margin-bottom:38px}
.filter-bar a{font-size:14px;padding:9px 22px;border:1px solid var(--line);border-radius:2px;color:var(--text-2);transition:.25s;background:#fff}
.filter-bar a:hover{border-color:var(--accent);color:var(--accent)}
.filter-bar a.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.search-box{margin-left:auto;display:flex;border:1px solid var(--line);background:#fff;max-width:260px;flex:1;min-width:190px}
.search-box input{border:0;padding:10px 14px;width:100%;background:transparent;font-size:14px}
.search-box button{border:0;background:var(--ink);color:#fff;padding:0 18px;cursor:pointer;font-size:14px}
.search-box button:hover{background:var(--accent)}
.badge{display:inline-block;font-size:11px;padding:2px 9px;border-radius:2px;background:#eef2f6;color:var(--text-3);font-weight:600;letter-spacing:.3px}
.badge.hot{background:var(--accent-soft);color:var(--accent)}
.pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:52px;flex-wrap:wrap}
.pagination a,.pagination span{min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);font-size:14px;background:#fff;color:var(--text-2);transition:.2s}
.pagination a:hover{border-color:var(--accent);color:var(--accent)}
.pagination .current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700}
.pagination .disabled{color:#c3ccd4;background:var(--paper-2)}
.empty{text-align:center;padding:90px 20px;color:var(--text-3)}
.empty strong{display:block;font-size:20px;color:var(--text-2);margin-bottom:10px}

/* ---------------- 详情页 ---------------- */
.detail-grid{display:grid;grid-template-columns:1fr 380px;gap:56px;align-items:start}
.detail-main-img{background:var(--ink);border:1px solid var(--line);aspect-ratio:4/3;overflow:hidden}
.detail-main-img img{width:100%;height:100%;object-fit:cover}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;cursor:pointer;border:1px solid var(--line);transition:.25s;background:var(--ink)}
.gallery img:hover,.gallery img.on{border-color:var(--accent);opacity:.85}
.detail-content{padding-top:36px}
.detail-content h2{font-size:26px;margin:0 0 10px;padding:0;border:0}
.detail-meta{font-size:13px;color:var(--text-3);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:26px}
.detail-body{font-size:15px;line-height:2.05;color:var(--text-2)}
.detail-body p{margin-bottom:18px}
.detail-body h2{font-size:21px;margin:34px 0 14px;color:var(--text);font-weight:700;position:relative;padding-left:14px}
.detail-body h2::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;background:var(--accent)}
.detail-body ul{margin:0 0 20px;padding-left:4px}
.detail-body li{position:relative;padding-left:20px;margin-bottom:9px}
.detail-body li::before{content:"";position:absolute;left:2px;top:13px;width:6px;height:6px;background:var(--accent);transform:rotate(45deg)}
.detail-body img{max-width:100%;height:auto;margin:16px 0;border:1px solid var(--line)}
.param-table{width:100%;border-collapse:collapse;margin:18px 0 30px;font-size:14px}
.param-table th,.param-table td{border:1px solid var(--line);padding:13px 16px;text-align:left}
.param-table th{background:var(--paper-2);width:150px;font-weight:600;color:var(--text)}
.param-table td{color:var(--text-2)}
.side-card{background:var(--paper-2);border:1px solid var(--line);padding:30px;position:sticky;top:110px}
.side-card h3{font-size:19px;margin-bottom:8px}
.side-card p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin-bottom:22px}
.side-card .btn{width:100%;margin-bottom:12px}
.side-tel{text-align:center;border-top:1px solid var(--line);padding-top:20px;margin-top:8px;font-size:12px;color:var(--text-3)}
.side-tel strong{display:block;font-size:23px;color:var(--accent);font-weight:800;letter-spacing:.5px;margin-top:4px}
.related{margin-top:64px}
.related h3{font-size:24px;margin-bottom:26px;font-weight:700}

/* ---------------- 关于页 ---------------- */
.timeline{position:relative;padding-left:34px;margin-top:30px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(var(--accent),rgba(242,114,11,.12))}
.timeline li{position:relative;padding:0 0 26px 8px}
.timeline li::before{content:"";position:absolute;left:-31px;top:9px;width:12px;height:12px;border:3px solid var(--accent);border-radius:50%;background:#fff}
.timeline b{font-size:17px;color:var(--accent);font-weight:800;margin-right:14px}
.timeline span{font-size:14.5px;color:var(--text-2)}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.honor{border:1px solid var(--line);padding:26px;text-align:center;background:#fff;transition:.3s}
.honor:hover{border-color:var(--accent);transform:translateY(-4px)}
.honor strong{display:block;font-size:20px;color:var(--ink);margin-bottom:6px}
.honor span{font-size:12.5px;color:var(--text-3)}

/* ---------------- 联系页 ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;align-items:start}
.contact-info li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-info .ico{width:44px;height:44px;flex-shrink:0;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;border-radius:3px}
.contact-info .ico svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.contact-info h4{font-size:14px;color:var(--text-3);font-weight:500;margin-bottom:3px}
.contact-info p{font-size:17px;font-weight:600;color:var(--text)}
.form-box{background:#fff;border:1px solid var(--line);padding:38px;box-shadow:var(--shadow)}
.form-box h3{font-size:24px;margin-bottom:8px}
.form-box .sub{color:var(--text-3);font-size:14px;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:9px;color:var(--text-2)}
.field label b{color:var(--accent)}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:#fff;padding:13px 15px;border-radius:2px;font-size:14px;color:var(--text);transition:.2s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,114,11,.09)}
.form-box .btn{width:100%}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7}
.alert{padding:14px 18px;border-radius:2px;font-size:14px;margin-bottom:22px}
.alert.ok{background:#eaf8f0;color:#1e7a4b;border-left:3px solid #2fae6e}
.alert.err{background:#fff0ee;color:#b6432f;border-left:3px solid #e05c45}
.map-box{margin-top:52px;background:var(--ink);border:1px solid var(--line);height:300px;position:relative;overflow:hidden;display:grid;place-items:center;text-align:center;color:#fff}
.map-box svg{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.map-box .inner{position:relative;z-index:1}
.map-box strong{display:block;font-size:22px;margin-bottom:8px}
.map-box span{color:rgba(255,255,255,.6);font-size:14px}
.map-pin{width:52px;height:52px;border:2px solid var(--accent);border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;color:var(--accent);font-size:22px;background:rgba(242,114,11,.12)}

/* ---------------- 动效 ---------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.backtop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border:0;background:var(--ink);color:#fff;border-radius:3px;cursor:pointer;z-index:60;opacity:0;pointer-events:none;transition:.3s;font-size:18px}
.backtop.show{opacity:1;pointer-events:auto}
.backtop:hover{background:var(--accent)}

/* ---------------- 响应式 ---------------- */
@media(max-width:1100px){
  .nav{gap:20px}.header-tel{display:none}
  .about-grid{gap:48px}
  .detail-grid{grid-template-columns:1fr 320px;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid>div:last-child{grid-column:1/-1}
}
@media(max-width:900px){
  .container{padding:0 22px}
  .section{padding:76px 0}
  .hero{min-height:640px;height:88vh}
  .hero-bottom .container{height:64px}
  .hero-side{right:22px;bottom:96px}
  .nav{position:absolute;top:82px;left:0;right:0;background:#fff;flex-direction:column;height:auto;gap:0;padding:10px 22px 22px;box-shadow:0 20px 30px rgba(0,0,0,.14);display:none;align-items:stretch}
  .nav.open{display:flex}
  .nav a{height:48px;color:var(--text)!important;border-bottom:1px solid var(--line);font-size:15px}
  .nav a::after{display:none}
  .nav-toggle{display:block}
  .header-cta .hbtn{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cat-grid,.prod-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid,.honor-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .about-float{right:0}
  .detail-grid{grid-template-columns:1fr}
  .side-card{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .section{padding:62px 0}
  .sec-head{margin-bottom:34px}
  .hero{min-height:600px;height:92vh}
  .hero h1{font-size:38px}
  .hero-desc{font-size:14px}
  .hero-feats{display:none}
  .hero-side{bottom:86px}
  .hero-bottom .container{justify-content:flex-end}
  .cat-grid,.prod-grid,.news-grid,.cap-grid,.why-grid,.honor-grid{grid-template-columns:1fr}
  .stat{padding:30px 12px}
  .form-row,.footer-grid{grid-template-columns:1fr}
  .form-box{padding:26px 20px}
  .about-points{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .page-hero{padding:130px 0 60px}
  .footer-bottom{flex-direction:column}
}