/* ===== 印匠图文 样式表 ===== */
:root{
  --navy:#0a2540;
  --navy-2:#13396b;
  --navy-3:#1a4a8a;
  --orange:#ff6b35;
  --orange-2:#e63946;
  --gold:#f4a300;
  --ink:#1a2233;
  --muted:#6b7280;
  --line:#e8ecf2;
  --bg:#f6f8fc;
  --bg-2:#eef2f8;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(10,37,64,.18);
  --shadow-lg:0 24px 60px -20px rgba(10,37,64,.28);
  --maxw:1200px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== 顶部信息栏 ===== */
.topbar{
  background:var(--navy);
  color:#cdd9ec;
  font-size:13px;
  padding:8px 0;
}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.topbar a{color:#cdd9ec;transition:color .2s}
.topbar a:hover{color:var(--orange)}
.topbar .sep{color:#3a5170;margin:0 8px}

/* ===== 导航 ===== */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.header.scrolled{box-shadow:0 4px 20px -8px rgba(10,37,64,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;box-shadow:0 6px 14px -4px rgba(230,57,70,.5);
}
.logo-text{font-size:20px;color:var(--navy);line-height:1;display:flex;flex-direction:column}
.logo-en{font-size:10px;color:var(--muted);font-weight:600;letter-spacing:2px;margin-top:2px}
.nav{display:flex;gap:6px}
.nav-link{
  padding:8px 14px;border-radius:8px;font-size:15px;color:var(--ink);
  font-weight:500;transition:all .2s;position:relative;
}
.nav-link:hover{color:var(--orange);background:var(--bg)}
.nav-link.active{color:var(--orange)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:2px;background:var(--orange);
}
.btn-quote{
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  color:#fff;padding:10px 22px;border-radius:30px;font-weight:600;font-size:14px;
  box-shadow:0 8px 20px -6px rgba(230,57,70,.5);transition:transform .2s,box-shadow .2s;
}
.btn-quote:hover{transform:translateY(-2px);box-shadow:0 12px 26px -6px rgba(230,57,70,.6)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;padding:80px 0 100px;overflow:hidden;background:linear-gradient(135deg,#0a2540 0%,#13396b 55%,#1a4a8a 100%);color:#fff}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-grid{
  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;
  mask-image:radial-gradient(circle at 60% 40%,#000 30%,transparent 75%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5}
.blob-1{width:500px;height:500px;background:var(--orange);top:-100px;right:-80px}
.blob-2{width:420px;height:420px;background:var(--navy-3);bottom:-120px;left:-100px}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero-tag{
  display:inline-block;padding:7px 16px;border-radius:30px;
  background:rgba(255,107,53,.15);border:1px solid rgba(255,107,53,.4);
  color:#ffb088;font-size:13px;font-weight:600;margin-bottom:24px;
}
.hero-title{font-size:54px;line-height:1.18;font-weight:800;letter-spacing:-1px;margin-bottom:24px}
.hero-title .grad{background:linear-gradient(90deg,#ff6b35,#f4a300);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:17px;color:#c2cee0;margin-bottom:34px;max-width:560px}
.hero-actions{display:flex;gap:16px;margin-bottom:38px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:30px;font-weight:600;font-size:15px;cursor:pointer;
  transition:all .25s;border:none;
}
.btn-primary{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;box-shadow:0 10px 24px -8px rgba(230,57,70,.6)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px -8px rgba(230,57,70,.7)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}
.hero-points{display:flex;gap:24px;flex-wrap:wrap}
.point{display:flex;align-items:center;gap:8px;font-size:14px;color:#cdd9ec}
.point-ico{
  width:20px;height:20px;border-radius:50%;background:rgba(255,107,53,.25);
  color:#ff8a5b;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
}

/* Hero 视觉 - 卡片堆叠 */
.hero-visual{position:relative;height:440px}
.card-stack{position:relative;width:100%;height:100%}
.flyer{
  position:absolute;border-radius:16px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);
  background:#fff;padding:20px;
}
.flyer-a{width:220px;height:300px;top:20px;left:10px;background:linear-gradient(160deg,#fff,#fff5f0);transform:rotate(-8deg);animation:floatA 6s ease-in-out infinite}
.flyer-b{width:180px;height:110px;top:60px;right:30px;background:linear-gradient(160deg,#0a2540,#1a4a8a);color:#fff;transform:rotate(6deg);animation:floatB 5s ease-in-out infinite}
.flyer-c{width:170px;height:170px;bottom:30px;right:10px;background:linear-gradient(160deg,#fff,#fff0e8);transform:rotate(-4deg);animation:floatC 7s ease-in-out infinite}
.flyer-label{font-size:13px;font-weight:700;color:var(--orange);margin-bottom:14px;letter-spacing:2px}
.flyer-b .flyer-label{color:#ffb088}
.flyer-lines{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.flyer-lines span{height:8px;border-radius:4px;background:linear-gradient(90deg,var(--orange),var(--gold))}
.flyer-lines span:nth-child(1){width:80%}
.flyer-lines span:nth-child(2){width:60%}
.flyer-lines span:nth-child(3){width:90%}
.flyer-circle{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--gold));margin-top:10px}
.flyer-square{width:90px;height:90px;border-radius:12px;background:linear-gradient(135deg,var(--navy-2),var(--navy-3));margin-top:30px}
@keyframes floatA{0%,100%{transform:rotate(-8deg) translateY(0)}50%{transform:rotate(-8deg) translateY(-14px)}}
@keyframes floatB{0%,100%{transform:rotate(6deg) translateY(0)}50%{transform:rotate(6deg) translateY(-10px)}}
@keyframes floatC{0%,100%{transform:rotate(-4deg) translateY(0)}50%{transform:rotate(-4deg) translateY(-18px)}}

.badge-print{position:absolute;bottom:60px;left:40px;width:100px;height:100px}
.badge-spin{
  position:absolute;inset:0;border-radius:50%;
  background:linear-gradient(135deg,var(--orange),var(--gold));
  display:flex;align-items:center;justify-content:center;
  animation:spin 12s linear infinite;
}
.badge-spin span{
  font-size:11px;color:#fff;font-weight:800;letter-spacing:3px;
  width:100%;text-align:center;
}
.badge-core{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:54px;height:54px;border-radius:50%;background:#0a2540;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;letter-spacing:1px;
  box-shadow:0 0 0 4px rgba(255,255,255,.9);
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===== 数据统计 ===== */
.stats{background:var(--navy);padding:50px 0;position:relative}
.stats::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,107,53,.08),transparent)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative}
.stat{text-align:center;color:#fff}
.stat-num{
  font-size:46px;font-weight:800;line-height:1;
  background:linear-gradient(90deg,#ff6b35,#f4a300);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:10px;color:#a8b8d0;font-size:15px}

/* ===== 通用标题 ===== */
.sec-tag{
  display:inline-block;padding:5px 14px;border-radius:20px;
  background:rgba(255,107,53,.1);color:var(--orange-2);font-size:13px;font-weight:600;margin-bottom:14px;
}
.sec-title{font-size:34px;font-weight:800;color:var(--navy);letter-spacing:-.5px;line-height:1.25}
.sec-sub{color:var(--muted);font-size:16px;margin-top:12px}
.sec-head{text-align:center;max-width:680px;margin:0 auto 50px}

/* ===== 关于我们 ===== */
.about{padding:90px 0;background:var(--bg)}
.about-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center}
.about-visual{position:relative}
.about-img{
  height:420px;border-radius:20px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--navy),var(--navy-3));
  box-shadow:var(--shadow-lg);
}
.about-img-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;
}
.about-img-grid::before{
  content:"印\n匠\n匠\n心";white-space:pre;color:rgba(255,255,255,.08);
  font-size:120px;font-weight:900;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  text-align:center;line-height:1;
}
.about-img-stamp{
  position:absolute;bottom:24px;right:24px;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;
  padding:10px 18px;border-radius:30px;font-size:14px;font-weight:700;letter-spacing:1px;
}
.about-float{
  position:absolute;bottom:-24px;left:-24px;background:#fff;border-radius:16px;
  padding:20px 26px;box-shadow:var(--shadow-lg);text-align:center;
}
.about-float-num{font-size:32px;font-weight:800;color:var(--orange-2)}
.about-float-label{font-size:13px;color:var(--muted);margin-top:2px}
.about-content .sec-title{margin-bottom:18px}
.sec-lead{font-size:16px;color:#374151;margin-bottom:14px}
.sec-text{color:var(--muted);margin-bottom:30px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.af{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;
  transition:transform .25s,box-shadow .25s;
}
.af:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.af-ico{font-size:26px;margin-bottom:8px}
.af-title{font-weight:700;color:var(--navy);margin-bottom:3px}
.af-desc{font-size:13px;color:var(--muted)}

/* ===== 业务范围 ===== */
.services{padding:90px 0}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:all .3s;position:relative;overflow:hidden;
}
.svc::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--orange),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc:hover::before{transform:scaleX(1)}
.svc-ico{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:28px;background:linear-gradient(135deg,#fff5f0,#ffe9df);margin-bottom:18px;
}
.svc-title{font-size:19px;font-weight:700;color:var(--navy);margin-bottom:10px}
.svc-desc{font-size:14px;color:var(--muted);margin-bottom:14px;min-height:60px}
.svc-list{list-style:none;font-size:13px;color:#4b5563}
.svc-list li{padding:3px 0}
.svc-list li::before{content:"•";color:var(--orange);margin-right:6px;font-weight:800}

/* ===== 工艺流程 ===== */
.process{padding:90px 0;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;position:relative;overflow:hidden}
.process::before{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:40px 40px}
.process .sec-head{position:relative}
.process .sec-title{color:#fff}
.process .sec-tag{background:rgba(255,107,53,.2);color:#ffb088}
.process .sec-sub{color:#a8b8d0}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:30px 24px;text-align:center;transition:all .3s;backdrop-filter:blur(6px);
}
.step:hover{background:rgba(255,107,53,.12);border-color:rgba(255,107,53,.4);transform:translateY(-6px)}
.step-num{font-size:42px;font-weight:800;background:linear-gradient(135deg,#ff6b35,#f4a300);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}
.step-title{font-size:18px;font-weight:700;margin-bottom:8px}
.step-desc{font-size:13px;color:#a8b8d0}

/* ===== 案例展示 ===== */
.cases{padding:90px 0;background:var(--bg)}
.cases-filter{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter-btn{
  padding:8px 20px;border-radius:30px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink);cursor:pointer;transition:all .2s;font-weight:500;
}
.filter-btn:hover{border-color:var(--orange);color:var(--orange)}
.filter-btn.active{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;border-color:transparent;box-shadow:0 6px 16px -6px rgba(230,57,70,.5)}
.cases-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.case{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 20px -10px rgba(10,37,64,.15);
  transition:all .3s;cursor:pointer;
}
.case:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-cover{height:180px;position:relative;display:flex;align-items:flex-end;padding:16px}
.case-cat{
  background:rgba(255,255,255,.92);color:var(--orange-2);font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:20px;
}
.cover-1{background:linear-gradient(135deg,#ff6b35,#f4a300)}
.cover-2{background:linear-gradient(135deg,#0a2540,#1a4a8a)}
.cover-3{background:linear-gradient(135deg,#e63946,#ff6b35)}
.cover-4{background:linear-gradient(135deg,#13396b,#1a4a8a)}
.cover-5{background:linear-gradient(135deg,#f4a300,#e63946)}
.cover-6{background:linear-gradient(135deg,#1a4a8a,#0a2540)}
.cover-7{background:linear-gradient(135deg,#ff6b35,#e63946)}
.cover-8{background:linear-gradient(135deg,#0a2540,#13396b)}
.case-cover::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(255,255,255,.18),transparent 50%)}
.case-info{padding:16px 18px}
.case-info h4{font-size:16px;color:var(--navy);margin-bottom:4px}
.case-info p{font-size:13px;color:var(--muted)}

/* ===== 新闻 ===== */
.news{padding:90px 0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-item{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:all .3s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.news-date{flex-shrink:0;text-align:center;border-right:1px solid var(--line);padding-right:18px}
.news-day{font-size:34px;font-weight:800;color:var(--orange-2);line-height:1}
.news-month{font-size:12px;color:var(--muted);margin-top:6px}
.news-body{flex:1}
.news-tag{display:inline-block;background:rgba(10,37,64,.06);color:var(--navy);font-size:11px;padding:2px 10px;border-radius:10px;margin-bottom:8px;font-weight:600}
.news-body h4{font-size:17px;color:var(--navy);margin-bottom:8px;line-height:1.4}
.news-body p{font-size:13px;color:var(--muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{font-size:13px;color:var(--orange-2);font-weight:600}
.news-more:hover{color:var(--orange)}

/* ===== 联系我们 ===== */
.contact{padding:90px 0;background:var(--bg)}
.contact-inner{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start}
.contact-info .sec-title{margin-bottom:14px}
.sec-lead{color:var(--muted);margin-bottom:30px;font-size:15px}
.contact-list{display:flex;flex-direction:column;gap:20px}
.ci{display:flex;gap:14px;align-items:flex-start}
.ci-ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,#fff5f0,#ffe9df);display:flex;align-items:center;justify-content:center;font-size:20px;
}
.ci-label{font-size:13px;color:var(--muted);margin-bottom:2px}
.ci-value{font-size:16px;font-weight:600;color:var(--navy)}
.contact-form{
  background:#fff;border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
}
.form-title{font-size:20px;color:var(--navy);margin-bottom:20px;font-weight:700}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font-size:14px;
  font-family:inherit;background:var(--bg);color:var(--ink);transition:border-color .2s;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--orange);background:#fff}
.contact-form textarea{margin-bottom:14px;resize:vertical;font-family:inherit}
.form-submit{width:100%;margin-top:4px}
.form-tip{text-align:center;font-size:12px;color:var(--muted);margin-top:10px}
.form-success{
  display:none;text-align:center;background:rgba(34,197,94,.1);color:#16a34a;
  padding:12px;border-radius:10px;margin-top:14px;font-weight:600;
}
.form-success.show{display:block}

/* ===== 页脚 ===== */
.footer{background:var(--navy);color:#a8b8d0;padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.logo-footer .logo-text{color:#fff}
.logo-footer .logo-en{color:#7a8aaa}
.footer-brand p{margin:18px 0;font-size:14px;line-height:1.7}
.footer-social{display:flex;gap:10px}
.footer-social span{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;transition:.2s;
}
.footer-social span:hover{background:var(--orange);color:#fff}
.footer-col h5{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col a,.footer-col p{display:block;color:#a8b8d0;font-size:14px;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;text-align:center;font-size:13px;color:#7a8aaa}
.footer-bottom a{color:var(--orange)}

/* ===== 滚动渐入 ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:360px;order:-1}
  .about-inner{grid-template-columns:1fr;gap:50px}
  .contact-inner{grid-template-columns:1fr;gap:40px}
  .services-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid,.process-grid,.news-grid,.footer-inner{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:42px}
}
@media(max-width:720px){
  .nav,.btn-quote{display:none}
  .nav-toggle{display:flex}
  .nav.open{
    display:flex;flex-direction:column;position:absolute;top:74px;left:0;right:0;
    background:#fff;padding:14px 24px;box-shadow:0 10px 30px -10px rgba(10,37,64,.2);gap:4px;
  }
  .nav.open .nav-link{padding:12px 14px}
  .topbar-right{font-size:12px}
  .hero{padding:50px 0 70px}
  .hero-title{font-size:32px}
  .hero-desc{font-size:15px}
  .services-grid,.cases-grid,.stats-grid,.process-grid,.news-grid,.footer-inner{grid-template-columns:1fr}
  .about-features{grid-template-columns:1fr}
  .sec-title{font-size:26px}
  .form-row{grid-template-columns:1fr}
  .about-float{left:50%;transform:translateX(-50%);bottom:-30px}
  .container{padding:0 18px}
}