/* ============================================================
   INJIE 映界官网 — 新站样式（深色·大气·高性能）
   ============================================================ */
:root{
  --bg:#0a0e14;
  --bg-2:#0f151e;
  --bg-3:#151d29;
  --bg-4:#1b2534;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#eef2f7;
  --muted:#93a1b4;
  --dim:#5f6d80;
  --accent:#e63946;
  --accent-2:#ff5c66;
  --nv:#2dd4bf;
  --gold:#d9b36a;
  --maxw:1280px;
  --nav-h:76px;
  --radius:14px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.65);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
::selection{background:var(--accent);color:#fff}

/* ---------- 顶部导航 ---------- */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;background:rgba(10,14,20,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:.35s}
.site-nav.scrolled{background:rgba(8,11,16,.92);border-bottom:1px solid var(--line);box-shadow:0 10px 40px -18px rgba(0,0,0,.8)}
.nav-inner{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .logo{height:40px;width:auto}
.brand .brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand .brand-text b{font-size:19px;letter-spacing:2px;color:#fff}
.brand .brand-text span{font-size:10px;color:var(--muted);letter-spacing:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{position:relative;padding:10px 15px;color:#c7d0dc;font-size:15px;letter-spacing:.5px;transition:.25s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:.3s}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-tel{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;font-size:16px;padding-left:22px;border-left:1px solid var(--line);white-space:nowrap}
.nav-tel i{width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--accent);border-radius:50%;color:var(--accent);font-style:normal;font-size:13px}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;margin-left:auto;align-items:flex-end}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;transition:.3s}
.nav-toggle span:nth-child(2){width:18px}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{position:fixed;inset:0;z-index:99;background:rgba(8,11,16,.98);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;opacity:0;pointer-events:none;transition:.35s}
.mobile-nav.open{opacity:1;pointer-events:auto}
.mobile-nav a{font-size:26px;color:#fff;padding:14px;letter-spacing:3px}
.mobile-nav a:hover{color:var(--accent)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;height:100vh;min-height:640px;overflow:hidden;background:#000}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide .bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06);transition:transform 6s ease}
.hero-slide.active .bg{transform:scale(1)}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,11,16,.88) 0%,rgba(8,11,16,.55) 50%,rgba(8,11,16,.25) 100%),linear-gradient(0deg,rgba(8,11,16,.9) 0%,transparent 40%)}
.hero-content{position:absolute;left:0;right:0;bottom:0;top:0;display:flex;align-items:center;z-index:2}
.hero-copy{max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--nv);font-size:13px;letter-spacing:5px;text-transform:uppercase;margin-bottom:22px}
.hero-eyebrow::before{content:"";width:40px;height:1px;background:var(--nv)}
.hero-copy h1{font-size:clamp(38px,6vw,72px);line-height:1.12;font-weight:800;letter-spacing:2px;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:clamp(15px,1.6vw,19px);color:#c7d0dc;margin-top:20px;max-width:620px;line-height:1.9}
.hero-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:6px;font-size:15px;letter-spacing:1px;transition:.3s;cursor:pointer;border:1px solid transparent;font-weight:600}
.btn-solid{background:var(--accent);color:#fff;box-shadow:0 10px 30px -8px rgba(230,57,70,.6)}
.btn-solid:hover{background:var(--accent-2);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.hero-dots{position:absolute;bottom:46px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:3}
.hero-dots span{width:34px;height:3px;background:rgba(255,255,255,.25);cursor:pointer;transition:.3s}
.hero-dots span.active{background:var(--accent);width:52px}
.hero-scroll{position:absolute;bottom:26px;right:40px;color:var(--muted);font-size:12px;letter-spacing:3px;display:flex;align-items:center;gap:10px;writing-mode:vertical-lr;z-index:3}
.hero-scroll::after{content:"";width:1px;height:46px;background:linear-gradient(var(--muted),transparent);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1)}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 通用区块 ---------- */
.section{padding:110px 0;position:relative}
.section.alt{background:var(--bg-2)}
.section-head{text-align:center;margin-bottom:64px}
.section-eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--nv);font-size:13px;letter-spacing:5px;text-transform:uppercase;margin-bottom:14px}
.section-eyebrow::before,.section-eyebrow::after{content:"";width:34px;height:1px;background:var(--nv)}
.section-head h2{font-size:clamp(28px,3.6vw,44px);font-weight:800;letter-spacing:2px;color:#fff}
.section-head .en{color:var(--dim);font-size:12px;letter-spacing:6px;margin-top:10px;text-transform:uppercase}
.section-head p.sub{color:var(--muted);max-width:640px;margin:18px auto 0;font-size:15px}
.head-left{text-align:left;margin-bottom:48px}
.head-left .section-eyebrow::before{display:none}
.head-left .section-eyebrow{flex-direction:row-reverse}
.head-left h2{font-size:clamp(26px,3vw,40px)}

/* ---------- 分类卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;height:300px;border:1px solid var(--line);cursor:pointer;transition:.4s;display:block}
.cat-card .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s ease}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,11,16,.95) 0%,rgba(8,11,16,.25) 55%,rgba(8,11,16,.1) 100%)}
.cat-card:hover .bg{transform:scale(1.08)}
.cat-card:hover{border-color:rgba(230,57,70,.6);box-shadow:var(--shadow)}
.cat-card .inner{position:absolute;left:0;right:0;bottom:0;padding:26px;z-index:2}
.cat-card .num{font-size:13px;color:var(--nv);letter-spacing:2px;font-weight:700}
.cat-card h3{font-size:22px;color:#fff;margin:6px 0 12px;font-weight:700;letter-spacing:1px}
.cat-card .more{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px;transition:.3s;opacity:0;transform:translateY(8px)}
.cat-card:hover .more{opacity:1;transform:translateY(0);color:var(--accent-2)}
.cat-card .count{position:absolute;top:20px;right:22px;font-size:12px;color:rgba(255,255,255,.7);z-index:2;padding:4px 12px;border:1px solid rgba(255,255,255,.2);border-radius:30px;background:rgba(8,11,16,.4);backdrop-filter:blur(4px)}

/* ---------- 产品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.prod-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-6px);border-color:rgba(230,57,70,.5);box-shadow:var(--shadow)}
.prod-card .thumb{position:relative;aspect-ratio:1/1;overflow:hidden;background:#0c1119}
.prod-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.prod-card:hover .thumb img{transform:scale(1.07)}
.prod-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.prod-card .body h3{font-size:15.5px;line-height:1.55;color:#fff;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px}
.prod-card .body .cat{font-size:12px;color:var(--nv);letter-spacing:1px}
.prod-card .body .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.prod-card .body .foot .go{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:6px;transition:.3s}
.prod-card:hover .body .foot .go{color:var(--accent-2)}
.prod-card .body .foot .arrow{width:28px;height:28px;border:1px solid var(--line-2);border-radius:50%;display:grid;place-items:center;transition:.3s}
.prod-card:hover .body .foot .arrow{border-color:var(--accent);background:var(--accent);color:#fff}
.prod-card .badge{position:absolute;top:14px;left:14px;background:rgba(230,57,70,.92);color:#fff;font-size:11px;padding:4px 12px;border-radius:4px;letter-spacing:1px}

/* ---------- 数据/统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.stat{border-left:2px solid var(--accent);padding:8px 0 8px 26px}
.stat b{font-size:clamp(36px,4vw,52px);font-weight:800;color:#fff;line-height:1}
.stat b em{font-style:normal;color:var(--nv);font-size:.6em}
.stat span{display:block;color:var(--muted);margin-top:10px;font-size:14px;letter-spacing:1px}

/* ---------- 关于预览 ---------- */
.about-split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.about-split .lead{font-size:17px;color:#dfe6ee;line-height:2;margin-top:22px}
.about-split .lead b{color:var(--accent-2);font-weight:600}
.about-media{position:relative}
.about-media .frame{position:absolute;inset:22px -22px -22px 22px;border:1px solid rgba(230,57,70,.4);border-radius:var(--radius);z-index:0}
.about-media img{position:relative;z-index:1;border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:440px;object-fit:cover}

/* ---------- 品牌理念 ---------- */
.vision{position:relative;overflow:hidden}
.vision .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35}
.vision .bgimg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--bg),transparent 50%,var(--bg))}
.vision .content{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.vision h2{font-size:clamp(30px,4vw,52px);color:#fff;font-weight:800;letter-spacing:2px;line-height:1.3}
.vision h2 em{color:var(--accent);font-style:normal}
.vision .words{color:#c7d0dc;font-size:16px;line-height:2.1;margin-top:24px}
.vision .chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.vision .chip{padding:9px 20px;border:1px solid var(--line-2);border-radius:30px;color:#dfe6ee;font-size:13.5px;transition:.3s}
.vision .chip:hover{border-color:var(--nv);color:var(--nv)}

/* ---------- 认证 / 证书 ---------- */
.cert{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;padding:12px}
.cert img{width:100%;border-radius:8px}

/* ---------- 新闻卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);border-color:rgba(45,212,191,.45);box-shadow:var(--shadow)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.6s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .tag{position:absolute;top:14px;left:14px;background:rgba(230,57,70,.92);color:#fff;font-size:11px;padding:4px 12px;border-radius:4px}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card h3{font-size:16px;line-height:1.6;color:#fff;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:51px;transition:.3s}
.news-card:hover h3{color:var(--nv)}
.news-card .meta{color:var(--dim);font-size:12.5px;letter-spacing:1px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between}

/* ---------- 页头横幅（内页） ---------- */
.page-hero{position:relative;padding:180px 0 100px;background-size:cover;background-position:center;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,11,16,.92),rgba(8,11,16,.6)),linear-gradient(0deg,rgba(8,11,16,.85),transparent)}
.page-hero .container{position:relative;z-index:2}
.page-hero .crumb{color:var(--muted);font-size:13px;letter-spacing:2px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.page-hero .crumb a:hover{color:var(--nv)}
.page-hero h1{font-size:clamp(32px,4.4vw,54px);color:#fff;font-weight:800;letter-spacing:2px}
.page-hero .lead{color:#c7d0dc;font-size:15.5px;margin-top:16px;max-width:680px;line-height:1.9}
.page-hero .page-en{color:var(--nv);font-size:13px;letter-spacing:6px;margin-bottom:12px;text-transform:uppercase}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:18px 0;border-bottom:1px solid var(--line);background:var(--bg-2)}
.breadcrumb .container{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:13px;letter-spacing:1px}
.breadcrumb a:hover{color:var(--nv)}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.filter-bar a{padding:10px 24px;border:1px solid var(--line-2);border-radius:40px;color:var(--muted);font-size:14px;transition:.3s}
.filter-bar a:hover{color:#fff;border-color:#fff}
.filter-bar a.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- 产品详情 ---------- */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.gallery .main-img{aspect-ratio:1/1;border-radius:var(--radius);overflow:hidden;background:#0c1119;border:1px solid var(--line);position:relative}
.gallery .main-img img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.gallery .thumbs .t{width:76px;height:76px;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid transparent;opacity:.65;transition:.3s;background:#0c1119}
.gallery .thumbs .t img{width:100%;height:100%;object-fit:cover}
.gallery .thumbs .t.active,.gallery .thumbs .t:hover{opacity:1;border-color:var(--accent)}
.detail-info h1{font-size:clamp(24px,2.6vw,34px);color:#fff;font-weight:700;line-height:1.4;letter-spacing:1px}
.detail-info .dl{color:var(--dim);font-size:13px;letter-spacing:2px;margin-top:14px;text-transform:uppercase}
.detail-info .short{border-left:3px solid var(--accent);padding:16px 20px;background:var(--bg-3);border-radius:0 10px 10px 0;color:#dfe6ee;font-size:15px;line-height:1.95;margin:24px 0}
.detail-info .short i{color:var(--nv);font-style:normal}
.detail-cta{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap}
.detail-cta .btn i{font-style:normal}
.detail-specs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:28px}
.detail-specs .s{background:var(--bg-3);padding:13px 18px;font-size:13.5px}
.detail-specs .s b{color:#fff;font-weight:600;margin-right:8px;color:var(--nv)}
.detail-specs .s span{color:var(--muted)}

/* 产品描述 */
.desc-block{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:44px;margin-top:70px}
.desc-block .ttl{font-size:22px;color:#fff;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:14px}
.desc-block .ttl::before{content:"";width:5px;height:26px;background:var(--accent);border-radius:3px}
.desc-block .content{margin-top:26px;color:#cfd8e3;font-size:15px;line-height:2.1}
.desc-block .content p{margin:0 0 16px}
.desc-block .content strong{color:#fff;font-weight:700}
.desc-block .content h1,.desc-block .content h2,.desc-block .content h3,.desc-block .content h4{color:#fff;margin:26px 0 12px;font-weight:700}
.desc-block .content img{max-width:100%;border-radius:10px;margin:14px 0}
.desc-block .content ul,.desc-block .content ol{padding-left:22px;margin:12px 0}
.desc-block .content li{margin:6px 0;list-style:disc}
.desc-block .content table{width:100%;border-collapse:collapse;margin:16px 0}
.desc-block .content td,.desc-block .content th{border:1px solid var(--line-2);padding:10px 14px;text-align:left}
.desc-block .content th{background:var(--bg-4);color:#fff}

/* 相关产品 */
.related{margin-top:70px}

/* ---------- 关于页 ---------- */
.about-brand p{color:#cfd8e3;font-size:16px;line-height:2.1;margin-bottom:20px}
.history{position:relative;padding-left:34px;border-left:2px solid var(--line-2);margin-top:20px}
.history .h-item{position:relative;padding:0 0 44px 20px}
.history .h-item::before{content:"";position:absolute;left:-39px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid var(--bg)}
.history .h-item .yr{font-size:22px;font-weight:800;color:var(--nv);letter-spacing:1px}
.history .h-item .txt{color:#cfd8e3;font-size:15px;margin-top:8px}
.mvv{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mvv .card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:38px 32px;text-align:center;transition:.35s}
.mvv .card:hover{transform:translateY(-6px);border-color:rgba(230,57,70,.5)}
.mvv .card .ic{width:64px;height:64px;margin:0 auto 20px;border-radius:18px;display:grid;place-items:center;font-size:28px;background:linear-gradient(135deg,rgba(230,57,70,.18),rgba(45,212,191,.12));border:1px solid var(--line-2)}
.mvv .card b{font-size:20px;color:#fff;letter-spacing:2px}
.mvv .card p{color:var(--muted);font-size:14px;margin-top:14px;line-height:1.9}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px}
.contact-item{display:flex;gap:20px;padding:26px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.contact-item .ic{width:52px;height:52px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;font-size:22px;background:rgba(230,57,70,.12);border:1px solid rgba(230,57,70,.3);color:var(--accent)}
.contact-item b{font-size:16px;color:#fff;display:block;letter-spacing:1px}
.contact-item p{color:var(--muted);font-size:14px;margin-top:6px;line-height:1.8}
.form-card{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.form-card h3{font-size:22px;color:#fff;margin-bottom:8px;letter-spacing:1px}
.form-card .fs{color:var(--muted);font-size:13.5px;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px;letter-spacing:1px}
.form-group input,.form-group textarea{width:100%;background:var(--bg-2);border:1px solid var(--line-2);border-radius:8px;padding:13px 16px;color:#fff;font-size:14px;font-family:inherit;transition:.3s;outline:none}
.form-group textarea{min-height:130px;resize:vertical}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--dim)}
.form-note{color:var(--dim);font-size:12px;margin-top:14px;line-height:1.7}

/* ---------- 应用展示 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.app-card{position:relative;border-radius:var(--radius);overflow:hidden;height:360px;border:1px solid var(--line);display:block}
.app-card .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:.6s}
.app-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,11,16,.95),rgba(8,11,16,.2))}
.app-card:hover .bg{transform:scale(1.07)}
.app-card .inner{position:absolute;left:0;right:0;bottom:0;padding:26px;z-index:2}
.app-card h3{font-size:21px;color:#fff;letter-spacing:1px}
.app-card p{color:var(--muted);font-size:13.5px;margin-top:10px;line-height:1.8}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:linear-gradient(120deg,#10161f 0%,#1a2230 60%,#10161f 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 20% 50%,rgba(230,57,70,.12),transparent),radial-gradient(500px 200px at 85% 40%,rgba(45,212,191,.08),transparent)}
.cta-band .container{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;z-index:2}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);color:#fff;letter-spacing:1px;font-weight:700}
.cta-band p{color:var(--muted);margin-top:10px;font-size:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#070a0f;border-top:1px solid var(--line);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:46px;padding-bottom:50px}
.footer-grid .f-brand .logo{height:38px;margin-bottom:20px}
.footer-grid .f-brand p{color:var(--muted);font-size:13.5px;line-height:2;max-width:320px}
.footer-grid h4{color:#fff;font-size:16px;letter-spacing:2px;margin-bottom:22px;font-weight:600;display:flex;align-items:center;gap:10px}
.footer-grid h4::before{content:"";width:4px;height:16px;background:var(--accent);border-radius:2px}
.footer-grid ul li{margin-bottom:12px}
.footer-grid ul a{color:var(--muted);font-size:14px;transition:.3s}
.footer-grid ul a:hover{color:var(--nv);padding-left:6px}
.footer-grid .f-contact li{color:var(--muted);font-size:13.5px;line-height:1.8;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-grid .f-contact li b{color:#fff;font-weight:600;min-width:56px;flex-shrink:0}
.footer-qr{display:flex;gap:16px;margin-top:6px}
.footer-qr .qr{background:#fff;border-radius:8px;padding:6px;width:96px}
.footer-qr .qr img{width:100%;border-radius:4px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;color:var(--dim);font-size:12.5px}
.footer-bottom a:hover{color:var(--nv)}

/* ---------- 悬浮按钮 ---------- */
.float-contact{position:fixed;right:24px;bottom:24px;z-index:90;display:flex;flex-direction:column;gap:12px}
.float-contact a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 12px 30px -8px rgba(0,0,0,.6);transition:.3s;font-size:13px}
.float-contact .tel{background:var(--accent)}
.float-contact .tel:hover{transform:scale(1.08);background:var(--accent-2)}
.float-contact .chat{background:var(--nv);color:#05241f}
.float-contact .chat:hover{transform:scale(1.08)}
.float-contact .top{background:var(--bg-4);border:1px solid var(--line-2)}
.float-contact .top:hover{background:var(--accent);transform:scale(1.08)}
.float-contact .top.hidden{opacity:0;pointer-events:none}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:10px;margin-top:60px;flex-wrap:wrap}
.pagination a,.pagination span{padding:10px 18px;border:1px solid var(--line-2);border-radius:8px;color:var(--muted);font-size:14px;transition:.3s}
.pagination a:hover{color:#fff;border-color:#fff}
.pagination .cur{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ---------- 响应式 ---------- */
@media(max-width:1100px){
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .about-split,.vision .content,.detail-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-links,.nav-tel{display:none}
  .nav-toggle{display:flex}
  .section{padding:80px 0}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:1fr;gap:20px}
  .mvv{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-scroll{display:none}
  .hero-dots{bottom:26px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
}
@media(max-width:560px){
  .cat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cat-card{height:230px}
  .prod-grid,.news-grid{grid-template-columns:1fr}
  .container{padding:0 18px}
  .desc-block{padding:28px 20px}
  .detail-specs{grid-template-columns:1fr}
  .brand .brand-text span{display:none}
}