/* 西安未来智造数字科技有限公司 官网样式 v1.0 */
:root{
  --navy:#0a1c38;
  --navy-2:#10294f;
  --blue:#1f6bff;
  --cyan:#00c2ff;
  --ink:#1c2532;
  --gray:#5b6675;
  --line:#e6ebf2;
  --bg:#f5f8fc;
  --white:#ffffff;
  --orange:#ff7a1a;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,28,56,.10);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",Arial,sans-serif;color:var(--ink);line-height:1.75;background:var(--white);font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{width:92%;max-width:var(--maxw);margin:0 auto}
h1,h2,h3,h4{line-height:1.35;color:var(--navy);font-weight:700}
.sec{padding:84px 0}
.sec-gray{background:var(--bg)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-head .kicker{display:inline-block;font-size:14px;letter-spacing:3px;color:var(--blue);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--gray)}

/* ============ 顶部导航 ============ */
.topbar{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .35s ease;padding:18px 0}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:44px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.logo .lname{color:#fff;font-size:19px;font-weight:700;letter-spacing:1px;line-height:1.2}
.logo .lsub{color:rgba(255,255,255,.75);font-size:11px;letter-spacing:2px}
.nav-pc{display:flex;align-items:center;gap:6px}
.nav-pc a{color:rgba(255,255,255,.92);font-size:15.5px;padding:10px 14px;border-radius:8px;position:relative;transition:.25s}
.nav-pc a:hover,.nav-pc a.on{color:#fff;background:rgba(255,255,255,.14)}
.nav-pc .drop{position:relative}
.nav-pc .drop>ul{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(12px);transition:.28s}
.nav-pc .drop:hover>ul{opacity:1;visibility:visible;transform:translateY(6px)}
.nav-pc .drop>ul a{color:var(--ink);display:block;padding:10px 14px;font-size:14.5px}
.nav-pc .drop>ul a:hover{background:var(--bg);color:var(--blue)}
.nav-tel{display:flex;align-items:center;gap:8px;background:var(--orange);color:#fff;font-weight:700;padding:9px 18px;border-radius:99px;font-size:15px;box-shadow:0 6px 18px rgba(255,122,26,.4);transition:.25s}
.nav-tel:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,122,26,.5)}
.topbar.solid{background:rgba(10,28,56,.96);backdrop-filter:blur(10px);padding:10px 0;box-shadow:0 4px 20px rgba(0,0,0,.18)}
.ham{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.ham span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}

/* ============ 首页 Banner ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;background:url('../images/factory-print-line.jpg') center/cover no-repeat;animation:heroZoom 18s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1)}to{transform:scale(1.12)}}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,22,45,.94) 22%,rgba(8,22,45,.72) 55%,rgba(8,22,45,.42) 100%)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 30% 50%,#000 30%,transparent 75%)}
.hero-glow{position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(31,107,255,.35),transparent 65%);top:-120px;right:-80px;animation:glowFloat 9s ease-in-out infinite alternate}
@keyframes glowFloat{from{transform:translate(0,0)}to{transform:translate(-60px,60px)}}
.hero-inner{position:relative;z-index:2;padding:150px 0 110px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:7px 18px;font-size:13.5px;letter-spacing:2px;color:rgba(255,255,255,.9);margin-bottom:26px;animation:fadeUp .8s .1s both}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{font-size:52px;color:#fff;line-height:1.28;margin-bottom:22px;animation:fadeUp .8s .25s both}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:18px;color:rgba(255,255,255,.85);max-width:640px;margin-bottom:20px;animation:fadeUp .8s .4s both}
.hero-id{font-size:14.5px;color:rgba(255,255,255,.65);margin-bottom:38px;animation:fadeUp .8s .5s both}
.hero-id b{color:rgba(255,255,255,.9);font-weight:600}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;animation:fadeUp .8s .6s both}
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 34px;border-radius:99px;font-size:16px;font-weight:600;transition:.3s;border:1px solid transparent}
.btn-primary{background:linear-gradient(90deg,var(--blue),#3d8bff);color:#fff;box-shadow:0 10px 26px rgba(31,107,255,.45)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(31,107,255,.55)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14)}
.hero-stats .st{background:rgba(10,28,56,.55);backdrop-filter:blur(6px);padding:26px 20px;text-align:center}
.hero-stats .num{font-size:34px;font-weight:800;color:#fff}
.hero-stats .num i{font-style:normal;color:var(--cyan)}
.hero-stats .lab{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:2px}
.scroll-tip{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;width:26px;height:44px;border:2px solid rgba(255,255,255,.55);border-radius:14px}
.scroll-tip::before{content:"";position:absolute;left:50%;top:8px;width:4px;height:9px;margin-left:-2px;border-radius:2px;background:#fff;animation:wheel 1.6s infinite}
@keyframes wheel{0%{opacity:1;transform:translateY(0)}70%{opacity:0;transform:translateY(14px)}100%{opacity:0}}

/* ============ 内页 Banner ============ */
.page-hero{position:relative;padding:158px 0 84px;color:#fff;background:var(--navy);overflow:hidden}
.page-hero .ph-bg{position:absolute;inset:0;background:url('../images/factory-sla-line.jpg') center/cover;opacity:.32}
.page-hero .ph-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,22,45,.95),rgba(13,38,75,.82))}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{color:#fff;font-size:40px;margin:14px 0 12px}
.page-hero p{color:rgba(255,255,255,.82);max-width:720px;font-size:16.5px}
.crumb{font-size:13.5px;color:rgba(255,255,255,.62)}
.crumb a:hover{color:#fff}
.crumb span{margin:0 8px;color:rgba(255,255,255,.35)}

/* ============ 通用卡片/网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.35s;box-shadow:0 4px 14px rgba(10,28,56,.05)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#d3e2ff}
.card .pic{height:220px;overflow:hidden;position:relative}
.card .pic img{width:100%;height:100%;object-fit:cover;transition:.6s}
.card:hover .pic img{transform:scale(1.08)}
.card .body{padding:24px}
.card h3{font-size:19px;margin-bottom:10px}
.card h3 a:hover{color:var(--blue)}
.card p{font-size:14.5px;color:var(--gray)}
.tagline{display:inline-block;font-size:12.5px;color:var(--blue);background:#eaf2ff;border-radius:6px;padding:3px 10px;margin-bottom:12px;font-weight:600}
.svc-ico{width:58px;height:58px;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 8px 18px rgba(31,107,255,.3)}
.svc-ico svg{width:30px;height:30px;fill:#fff}
.more-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:14.5px;font-weight:600;margin-top:14px}
.more-link:hover{gap:10px}
.more-link::after{content:"→";transition:.25s}

/* ============ 关于/实力 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .pic{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.split .pic img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:32px;margin-bottom:18px}
.split p{color:var(--gray);margin-bottom:14px;font-size:15.5px}
.fact-list{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fact-list li{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 16px;font-size:14px}
.fact-list b{display:block;color:var(--navy);font-size:15px;margin-bottom:2px}
.fact-list span{color:var(--gray);font-size:13px}

/* 数字带 */
.num-band{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0;position:relative;overflow:hidden}
.num-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px}
.num-band .grid-4{position:relative;z-index:2}
.nb-item{text-align:center;padding:10px}
.nb-item .num{font-size:44px;font-weight:800;background:linear-gradient(90deg,#fff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.nb-item .lab{color:rgba(255,255,255,.78);font-size:14.5px;margin-top:6px}

/* ============ 案例 ============ */
.case-card .pic{height:250px}
.case-ind{position:absolute;left:14px;bottom:14px;background:rgba(10,28,56,.82);color:#fff;font-size:12.5px;padding:4px 12px;border-radius:6px;backdrop-filter:blur(4px)}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 20px 24px;text-align:center;transition:.3s}
.step:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:30px;font-weight:800;color:var(--blue);margin-bottom:12px}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--gray)}

/* ============ 表格 ============ */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 14px rgba(10,28,56,.06);font-size:14.5px}
.tbl th{background:var(--navy);color:#fff;padding:14px 16px;text-align:left;font-weight:600;white-space:nowrap}
.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:nth-child(even) td{background:#f8fafd}
.tbl-wrap{overflow-x:auto;border-radius:var(--radius)}

/* ============ FAQ ============ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:.3s}
.faq-item.open{border-color:var(--blue);box-shadow:0 8px 22px rgba(31,107,255,.1)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;font-size:16.5px;font-weight:600;color:var(--navy);font-family:inherit}
.faq-q .ic{flex:none;width:28px;height:28px;border-radius:50%;background:#eaf2ff;color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:18px;transition:.3s}
.faq-item.open .ic{transform:rotate(45deg);background:var(--blue);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a .inner{padding:0 24px 22px;color:var(--gray);font-size:15px;border-top:1px dashed var(--line);padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0}
.faq-cat{font-size:20px;color:var(--navy);margin:38px 0 18px;padding-left:14px;border-left:4px solid var(--blue)}

/* ============ 资质 ============ */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.cert:hover{box-shadow:var(--shadow);transform:translateY(-6px)}
.cert .pic{height:200px;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden}
.cert .pic img{max-height:100%;object-fit:contain}
.cert .body{padding:16px 18px}
.cert h3{font-size:15.5px;margin-bottom:4px}
.cert p{font-size:12.5px;color:var(--gray)}

/* 时间轴 */
.timeline{position:relative;padding-left:34px;max-width:760px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--blue),var(--cyan))}
.tl-item{position:relative;padding:0 0 30px 22px}
.tl-item::before{content:"";position:absolute;left:-31px;top:8px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--blue);box-shadow:0 0 0 4px rgba(31,107,255,.15)}
.tl-item .yr{font-weight:800;color:var(--blue);font-size:15px}
.tl-item h3{font-size:17px;margin:4px 0}
.tl-item p{font-size:14px;color:var(--gray)}

/* ============ CTA 带 ============ */
.cta-band{position:relative;padding:76px 0;color:#fff;text-align:center;background:linear-gradient(120deg,var(--navy),#123a70);overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,194,255,.25),transparent 65%);top:-160px;left:-100px}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px;position:relative}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;margin:0 auto 30px;position:relative}
.cta-tel{display:inline-flex;align-items:center;gap:12px;background:var(--orange);color:#fff;font-size:26px;font-weight:800;padding:16px 44px;border-radius:99px;box-shadow:0 12px 30px rgba(255,122,26,.45);position:relative;transition:.3s}
.cta-tel:hover{transform:translateY(-3px) scale(1.02)}
.cta-tel svg{width:26px;height:26px;fill:#fff}

/* ============ 页脚 ============ */
.footer{background:#081426;color:rgba(255,255,255,.72);padding:66px 0 0;font-size:14px}
.footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer h4{color:#fff;font-size:16.5px;margin-bottom:18px}
.footer .fabout img{height:40px;margin-bottom:16px}
.footer li{margin-bottom:10px}
.footer a:hover{color:#fff}
.footer .ftel{color:var(--orange);font-size:22px;font-weight:800;margin:6px 0 10px;display:block}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-id{margin-top:14px;font-size:13px;line-height:2;color:rgba(255,255,255,.6);background:rgba(255,255,255,.05);border-radius:10px;padding:14px 16px}
.flink{margin-top:18px}
.flink span{color:rgba(255,255,255,.5);font-size:12.5px;display:block;margin-bottom:8px}
.flink ul{display:flex;flex-wrap:wrap;gap:6px 14px}
.flink a{font-size:12.5px;color:rgba(255,255,255,.55)}
.flink a:hover{color:var(--cyan)}

/* 浮动联系 */
.float-cta{position:fixed;right:22px;bottom:90px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-cta a{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(0,0,0,.2);transition:.3s;position:relative}
.float-cta a:hover{transform:translateY(-4px)}
.float-cta .ft{background:var(--orange)}
.float-cta .ft svg{width:26px;height:26px;fill:#fff}
.float-cta a .tip{position:absolute;right:64px;top:50%;transform:translateY(-50%);background:var(--navy);color:#fff;font-size:13px;padding:8px 14px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:.25s}
.float-cta a:hover .tip{opacity:1}
.back-top{position:fixed;right:22px;bottom:26px;z-index:900;width:54px;height:54px;border-radius:50%;background:var(--navy);color:#fff;border:0;cursor:pointer;font-size:20px;box-shadow:0 8px 22px rgba(0,0,0,.2);opacity:0;visibility:hidden;transition:.3s}
.back-top.show{opacity:1;visibility:visible}

/* 动效 */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .7s ease,transform .7s ease}
.reveal.vis{opacity:1;transform:translateY(0)}

/* 移动端导航 */
.m-nav{position:fixed;top:0;right:-100%;width:78%;max-width:330px;height:100vh;background:var(--navy);z-index:1200;padding:80px 28px 30px;transition:.35s;overflow-y:auto}
.m-nav.open{right:0;box-shadow:-10px 0 40px rgba(0,0,0,.35)}
.m-nav a{display:block;color:rgba(255,255,255,.9);padding:13px 6px;border-bottom:1px solid rgba(255,255,255,.08);font-size:15.5px}
.m-nav .mt{margin-top:20px;background:var(--orange);text-align:center;border-radius:10px;font-weight:700}
.m-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1100;opacity:0;visibility:hidden;transition:.3s}
.m-mask.open{opacity:1;visibility:visible}
.m-close{position:absolute;top:22px;right:22px;background:none;border:0;color:#fff;font-size:30px;cursor:pointer}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .grid-4{columns:2;display:grid;grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .footer .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-pc{display:none}
  .nav-tel{display:none}
  .ham{display:flex}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .sec{padding:56px 0}
  .sec-head h2{font-size:26px}
  .grid-3,.grid-2,.grid-4,.cert-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .page-hero h1{font-size:28px}
  .footer .fgrid{grid-template-columns:1fr;gap:28px}
  .fact-list{grid-template-columns:1fr}
  .cta-tel{font-size:20px;padding:14px 30px}
  .num-band .nb-item .num{font-size:32px}
}