/* ==========================================================
   通用广告文创公司官网 - 全局样式
   无外链依赖，纯静态，适配国内云部署
   ========================================================== */

:root{
  --ink:#0a1f3a;
  --ink-2:#0e2a4d;
  --ink-3:#12385f;
  --brand:#001492;
  --brand-d:#00106e;
  --accent:#4a90e2;
  --paper:#ffffff;
  --paper-2:#f2f6fb;
  --paper-3:#e6edf6;
  --text:#1b2a3d;
  --text-2:#5b6b80;
  --text-3:#93a1b3;
  --line:#dde6f0;
  --radius:10px;
  --shadow:0 10px 30px rgba(21,23,28,.08);
  --shadow-lg:0 18px 50px rgba(21,23,28,.14);
  --max:1200px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --nav-h:78px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--paper);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s,opacity .25s;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;letter-spacing:.5px;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.row{display:flex;flex-wrap:wrap;gap:30px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:2px;
  font-size:15px;font-weight:500;letter-spacing:1px;
  transition:all .28s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,20,146,.34);}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);}
.btn-line{border:1px solid var(--line);color:var(--text);}
.btn-line:hover{border-color:var(--brand);color:var(--brand);}
.btn-lg{height:56px;padding:0 40px;font-size:16px;}

/* ---------- 区块通用 ---------- */
.section{padding:90px 0;}
.section-sm{padding:60px 0;}
.section-gray{background:var(--paper-2);}
.section-dark{background:var(--ink);color:#fff;}
.section-title{margin-bottom:14px;}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:3px;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.section-head h2{font-size:34px;letter-spacing:1px;}
.section-head h2 em{font-style:normal;color:var(--brand);}
.section-head p{margin-top:16px;color:var(--text-2);font-size:15px;}
.section-dark .section-head p{color:rgba(255,255,255,.6);}
.section-dark .eyebrow{color:var(--accent);}
.skew-line{width:56px;height:3px;background:var(--brand);margin:18px auto 0;}
.section-head.left{margin-left:0;text-align:left;}
.section-head.left .skew-line{margin-left:0;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink-2);color:rgba(255,255,255,.7);font-size:13px;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;}
.topbar span{margin-right:22px;display:inline-flex;align-items:center;gap:6px;}
.topbar .right span{margin-right:0;margin-left:22px;}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:all .3s ease;border-bottom:1px solid transparent;}
.header.scrolled{background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.06);}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:42px;height:42px;border-radius:6px;background:var(--brand);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-weight:800;font-size:19px;letter-spacing:1px;flex:none;
}
.logo-text strong{display:block;font-size:19px;letter-spacing:3px;line-height:1.2;}
.logo-text small{display:block;font-size:11px;letter-spacing:2.4px;color:var(--text-3);text-transform:uppercase;}
.logo-img{height:46px;width:auto;display:block;}
.footer-logo img{height:30px;width:auto;display:block;}
.menu{display:flex;align-items:center;}
.menu>li{position:relative;}
.menu>li>a{
  display:block;padding:0 18px;height:var(--nav-h);line-height:var(--nav-h);
  font-size:15.5px;position:relative;color:var(--text);
}
.menu>li>a::after{
  content:"";position:absolute;left:18px;right:18px;bottom:22px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.menu>li>a:hover::after,.menu>li>a.active::after{transform:scaleX(1);}
.menu>li>a:hover,.menu>li>a.active{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-phone{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.5px;}
.nav-phone small{display:block;font-size:11px;color:var(--text-3);font-weight:400;letter-spacing:1px;}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;}
.nav-toggle i{display:block;width:22px;height:2px;background:var(--ink);transition:.3s;}

/* ---------- 首屏轮播 ---------- */
.hero{position:relative;height:620px;overflow:hidden;background:var(--ink);}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .9s ease;
  display:flex;align-items:center;
  background:linear-gradient(120deg,#08182e 0%,#0e2b4e 55%,#123a63 100%);
}
.hero-slide::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 78% 40%,rgba(74,144,226,.38),transparent 62%),
    radial-gradient(700px 400px at 12% 82%,rgba(0,30,160,.42),transparent 60%);
}
.hero-slide::after{
  content:"";position:absolute;inset:0;opacity:.5;
  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:60px 60px;
  mask-image:radial-gradient(circle at 70% 50%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 70% 50%,#000,transparent 70%);
}
.hero-slide.is-active{opacity:1;}
.hero-slide .container{position:relative;z-index:2;}
.hero-inner{max-width:640px;}
.hero-tag{
  display:inline-block;padding:6px 14px;border:1px solid rgba(255,255,255,.35);
  font-size:13px;letter-spacing:2px;color:#fff;margin-bottom:24px;border-radius:2px;
}
.hero h1{font-size:52px;line-height:1.25;color:#fff;letter-spacing:2px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{margin-top:22px;font-size:17px;color:rgba(255,255,255,.72);line-height:1.9;}
.hero-btns{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-dots{position:absolute;left:0;right:0;bottom:34px;z-index:3;display:flex;justify-content:center;gap:10px;}
.hero-dots button{width:30px;height:3px;background:rgba(255,255,255,.32);transition:.3s;}
.hero-dots button.active{background:var(--accent);width:52px;}
.hero-arrows{position:absolute;inset:0;z-index:3;pointer-events:none;}
.hero-arrows button{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:22px;pointer-events:auto;
  background:rgba(0,0,0,.18);transition:.3s;
}
.hero-arrows button:hover{background:var(--accent);border-color:var(--accent);}
.hero-arrows .prev{left:24px;}
.hero-arrows .next{right:24px;}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink-2);color:#fff;padding:52px 0;}
.stats .row{gap:0;}
.stat{flex:1;min-width:170px;text-align:center;padding:10px 16px;position:relative;}
.stat+.stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:rgba(255,255,255,.13);}
.stat b{display:block;font-size:42px;color:var(--accent);font-weight:700;letter-spacing:1px;}
.stat b i{font-style:normal;font-size:20px;margin-left:3px;}
.stat span{display:block;margin-top:4px;font-size:14px;color:rgba(255,255,255,.62);letter-spacing:1px;}

/* ---------- 业务板块 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.svc-card{
  background:#fff;border:1px solid var(--line);padding:38px 30px;position:relative;
  overflow:hidden;transition:all .35s ease;cursor:pointer;
}
.svc-card::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.svc-card:hover::after{transform:scaleX(1);}
.svc-icon{
  width:64px;height:64px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,20,146,.12),rgba(74,144,226,.18));margin-bottom:22px;
}
.svc-icon svg{width:32px;height:32px;stroke:var(--brand);fill:none;stroke-width:1.6;}
.svc-card h3{font-size:20px;margin-bottom:10px;}
.svc-card p{color:var(--text-2);font-size:14.5px;}
.svc-card .tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.svc-card .tags span{font-size:12.5px;color:var(--text-2);background:var(--paper-2);padding:4px 10px;border-radius:2px;}
.svc-card .more{margin-top:20px;font-size:14px;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 案例 ---------- */
.filter-bar{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px;}
.filter-bar button{
  padding:9px 22px;border:1px solid var(--line);background:#fff;font-size:14.5px;
  border-radius:2px;transition:.28s;color:var(--text-2);
}
.filter-bar button:hover{border-color:var(--brand);color:var(--brand);}
.filter-bar button.active{background:var(--brand);border-color:var(--brand);color:#fff;}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-item{position:relative;overflow:hidden;border-radius:4px;background:#ddd;cursor:pointer;}
.case-item.hide{display:none;}
.case-thumb{position:relative;padding-top:72%;overflow:hidden;}
.case-thumb .art{position:absolute;inset:0;transition:transform .7s ease;}
.case-item:hover .art{transform:scale(1.08);}
.case-overlay{
  position:absolute;inset:0;background:linear-gradient(to top,rgba(6,18,36,.92) 0%,rgba(6,18,36,.25) 55%,transparent 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff;
}
.case-overlay .cat{font-size:12.5px;letter-spacing:2px;color:var(--accent);margin-bottom:6px;}
.case-overlay h3{font-size:19px;margin-bottom:4px;}
.case-overlay .meta{font-size:13px;color:rgba(255,255,255,.6);}
.case-zoom{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(-6px);transition:.35s;backdrop-filter:blur(4px);
}
.case-item:hover .case-zoom{opacity:1;transform:none;}

/* 占位艺术图 */
.art{background-size:cover;background-position:center;position:relative;}
.art::before{
  content:"";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:28px 28px;
}
.art::after{
  content:attr(data-label);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:15px;letter-spacing:3px;color:rgba(255,255,255,.55);font-weight:600;
}
.a1{background:linear-gradient(135deg,#081c40,#001492);}
.a2{background:linear-gradient(135deg,#123a63,#3f86d4);}
.a3{background:linear-gradient(135deg,#0d2c4f,#2b6ca3);}
.a4{background:linear-gradient(135deg,#0a2b45,#1f8a9c);}
.a5{background:linear-gradient(135deg,#1a2a52,#4a5fc1);}
.a6{background:linear-gradient(135deg,#0b2a4a,#0f5f8f);}
.a7{background:linear-gradient(135deg,#22345c,#5b8fd1);}
.a8{background:linear-gradient(135deg,#0e3350,#2f86c9);}
.a9{background:linear-gradient(135deg,#143054,#3aa0b8);}

/* ---------- 流程 ---------- */
.process-wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;}
.process-step{text-align:center;padding:0 14px;position:relative;}
.process-step .no{
  width:74px;height:74px;margin:0 auto 20px;border-radius:50%;background:#fff;
  border:2px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:700;color:var(--brand);transition:.35s;position:relative;z-index:2;
}
.process-step:hover .no{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-5px);}
.process-step h4{font-size:17px;margin-bottom:8px;}
.process-step p{font-size:13.5px;color:var(--text-2);}
.process-step+.process-step::before{
  content:"";position:absolute;top:37px;left:-50%;width:100%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);z-index:1;
}

/* ---------- 优势 / 关于混排 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center;}
.split-img{border-radius:6px;overflow:hidden;box-shadow:var(--shadow-lg);position:relative;}
.split-img .art{height:420px;}
.split-img .badge{
  position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;padding:22px 28px;
  text-align:center;min-width:150px;
}
.split-img .badge b{display:block;font-size:30px;color:var(--accent);}
.split-img .badge span{font-size:13px;color:rgba(255,255,255,.65);}
.feature-list{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;}
.feature-item{display:flex;gap:12px;}
.feature-item svg{width:22px;height:22px;flex:none;stroke:var(--brand);fill:none;stroke-width:2;margin-top:4px;}
.feature-item h4{font-size:15.5px;margin-bottom:2px;}
.feature-item p{font-size:13.5px;color:var(--text-2);}

/* ---------- 客户评价 ---------- */
.testi{position:relative;overflow:hidden;}
.testi-item{display:none;}
.testi-item.active{display:block;animation:fadeUp .6s ease;}
.testi-item p{font-size:18px;line-height:2;color:rgba(255,255,255,.85);max-width:820px;margin:0 auto;}
.testi-item .who{margin-top:26px;font-size:14px;color:var(--accent);letter-spacing:2px;}
.testi-dots{display:flex;justify-content:center;gap:8px;margin-top:36px;}
.testi-dots button{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3);transition:.3s;}
.testi-dots button.active{background:var(--accent);width:26px;border-radius:5px;}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{background:#fff;border:1px solid var(--line);transition:.35s;overflow:hidden;}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);}
.news-card .art{height:180px;}
.news-body{padding:24px;}
.news-body .date{font-size:13px;color:var(--text-3);letter-spacing:1px;}
.news-body h3{font-size:17.5px;margin:10px 0 10px;line-height:1.5;}
.news-card:hover h3{color:var(--brand);}
.news-body p{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 新闻列表页 */
.news-list{display:flex;flex-direction:column;gap:24px;}
.news-row{display:grid;grid-template-columns:230px 1fr;gap:26px;background:#fff;border:1px solid var(--line);padding:18px;transition:.3s;}
.news-row:hover{box-shadow:var(--shadow);border-color:transparent;}
.news-row .art{height:150px;border-radius:4px;}
.news-row h3{font-size:19px;margin:8px 0 8px;}
.news-row:hover h3{color:var(--brand);}
.news-row p{font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.side-card{background:#fff;border:1px solid var(--line);padding:26px;margin-bottom:24px;}
.side-card h4{font-size:17px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-links li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;}
.side-links li:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);padding-left:4px;}

/* ---------- CTA 通栏 ---------- */
.cta{background:var(--brand);color:#fff;padding:60px 0;text-align:center;position:relative;overflow:hidden;}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% 120%,rgba(0,0,0,.18),transparent 70%);}
.cta .container{position:relative;z-index:2;}
.cta h2{font-size:32px;letter-spacing:2px;}
.cta p{margin-top:14px;color:rgba(255,255,255,.85);font-size:16px;}

/* ---------- 内页头图 ---------- */
.page-hero{
  height:300px;display:flex;align-items:center;color:#fff;position:relative;
  background:linear-gradient(120deg,#0b1f3a,#12406e);
}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 320px at 75% 50%,rgba(74,144,226,.32),transparent 65%);}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{font-size:40px;letter-spacing:3px;}
.page-hero .crumb{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.6);letter-spacing:1px;}
.page-hero .crumb a:hover{color:var(--accent);}

/* ---------- 关于页 ---------- */
.about-intro{font-size:16.5px;line-height:2;color:var(--text-2);}
.about-intro strong{color:var(--text);}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--line);}
.timeline li{position:relative;padding-bottom:30px;}
.timeline li::before{
  content:"";position:absolute;left:-32px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline .year{font-size:19px;color:var(--brand);font-weight:700;letter-spacing:1px;}
.timeline p{margin-top:4px;color:var(--text-2);font-size:14.5px;}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.team-card{text-align:center;}
.team-card .art{height:280px;border-radius:4px;}
.team-card h4{margin-top:16px;font-size:17px;}
.team-card span{font-size:13.5px;color:var(--text-3);letter-spacing:1px;}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.honor-item{border:1px solid var(--line);padding:26px 20px;text-align:center;background:#fff;transition:.3s;}
.honor-item:hover{border-color:var(--accent);}
.honor-item svg{width:34px;height:34px;stroke:var(--accent);fill:none;stroke-width:1.5;}
.honor-item h4{margin-top:12px;font-size:15.5px;}
.honor-item p{font-size:13px;color:var(--text-3);margin-top:4px;}

/* ---------- 服务页 ---------- */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:60px 0;border-bottom:1px solid var(--line);}
.svc-row:nth-child(even) .svc-visual{order:2;}
.svc-visual .art{height:340px;border-radius:6px;}
.svc-row h3{font-size:27px;letter-spacing:1px;}
.svc-row h3 i{font-style:normal;color:var(--brand);font-size:15px;display:block;letter-spacing:3px;margin-bottom:8px;}
.svc-row>p{margin:16px 0 22px;color:var(--text-2);line-height:2;}
.svc-points{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-bottom:26px;}
.svc-points li{display:flex;gap:9px;font-size:14.5px;color:var(--text-2);}
.svc-points li::before{content:"";width:6px;height:6px;background:var(--brand);margin-top:11px;flex:none;border-radius:50%;}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:50px;}
.info-card{background:var(--paper-2);padding:30px;border-left:3px solid var(--brand);margin-bottom:20px;}
.info-card h4{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.info-card svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8;}
.info-card p{color:var(--text-2);font-size:14.5px;}
.info-card p b{display:block;color:var(--text);font-size:19px;font-weight:700;margin-top:2px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field label{display:block;font-size:14px;margin-bottom:7px;color:var(--text);}
.field label i{color:var(--brand);font-style:normal;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#fff;padding:12px 14px;border-radius:2px;
  transition:.25s;color:var(--text);
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,20,146,.14);}
.field.full{grid-column:1/-1;}
.form-tip{font-size:13px;color:var(--text-3);margin-top:6px;}
.form-msg{padding:12px 16px;border-radius:3px;font-size:14px;margin-top:16px;display:none;}
.form-msg.ok{display:block;background:rgba(45,164,78,.1);color:#1d7a34;border:1px solid rgba(45,164,78,.3);}
.form-msg.err{display:block;background:rgba(200,48,43,.08);color:#a52420;border:1px solid rgba(200,48,43,.3);}
.qr-box{display:flex;gap:20px;align-items:center;background:var(--paper-2);padding:22px;}
.qr{width:110px;height:110px;flex:none;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;}
.qr svg{width:80px;height:80px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.6);padding:70px 0 0;font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;}
.footer h4{color:#fff;font-size:16px;margin-bottom:20px;letter-spacing:1px;}
.footer li{padding:7px 0;}
.footer li:hover,.footer a:hover{color:var(--accent);}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:20px;color:#fff;}
.footer-logo .logo-mark{background:var(--accent);}
.footer p{line-height:2;}
.footer-contact li{display:flex;gap:10px;line-height:1.8;}
.footer-contact svg{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:1.8;margin-top:5px;flex:none;}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45);}
.copyright a:hover{color:var(--accent);}

/* ---------- 其他组件 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:none;}
.back-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;z-index:90;opacity:0;pointer-events:none;
  transition:.3s;border-radius:3px;
}
.back-top.show{opacity:1;pointer-events:auto;}
.back-top:hover{background:var(--brand);}
.pager{display:flex;justify-content:center;gap:8px;margin-top:44px;}
.pager button{min-width:40px;height:40px;border:1px solid var(--line);background:#fff;font-size:14px;transition:.25s;}
.pager button:hover,.pager button.active{background:var(--brand);color:#fff;border-color:var(--brand);}

/* 灯箱 */
.lightbox{
  position:fixed;inset:0;background:rgba(6,16,32,.94);z-index:200;display:none;
  align-items:center;justify-content:center;padding:40px;
}
.lightbox.show{display:flex;}
.lightbox-inner{max-width:900px;width:100%;}
.lightbox .art{height:520px;border-radius:4px;}
.lightbox h3{color:#fff;margin-top:22px;font-size:22px;}
.lightbox p{color:rgba(255,255,255,.55);margin-top:8px;font-size:14px;}
.lightbox-close{position:absolute;top:24px;right:30px;color:#fff;font-size:36px;line-height:1;}
.lightbox-nav{display:flex;gap:12px;margin-top:22px;}
.lightbox-nav button{border:1px solid rgba(255,255,255,.3);color:#fff;padding:9px 20px;font-size:14px;}
.lightbox-nav button:hover{background:var(--accent);border-color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .svc-grid,.case-grid,.news-grid,.team-grid,.honor-grid{grid-template-columns:repeat(2,1fr);}
  .process-wrap{grid-template-columns:repeat(3,1fr);gap:34px 0;}
  .process-step+.process-step::before{display:none;}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:40px;}
  .nav-phone{display:none;}
}
@media (max-width:860px){
  .menu{
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;background:#fff;flex-direction:column;
    align-items:stretch;padding:90px 0 30px;transform:translateX(100%);transition:transform .35s ease;
    box-shadow:-10px 0 40px rgba(0,0,0,.12);overflow-y:auto;z-index:120;
  }
  .menu.open{transform:none;}
  .menu>li>a{height:auto;padding:15px 26px;border-bottom:1px solid var(--line);}
  .menu>li>a::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-toggle.open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open i:nth-child(2){opacity:0;}
  .nav-toggle.open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mask{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:110;opacity:0;pointer-events:none;transition:.3s;}
  .mask.show{opacity:1;pointer-events:auto;}
  .topbar{display:none;}
  .hero{height:520px;}
  .hero h1{font-size:30px;letter-spacing:1px;}
  .hero-sub{font-size:15px;}
  .hero-arrows{display:none;}
  .row{gap:0;}
  .stats{padding:36px 0;}
  .stat{flex:1 1 50%;padding:16px 8px;}
  .stat+.stat::before{display:none;}
  .stat b{font-size:32px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .page-hero{height:210px;}
  .page-hero h1{font-size:27px;}
  .svc-row{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .svc-row:nth-child(even) .svc-visual{order:0;}
  .news-row{grid-template-columns:1fr;gap:0;}
  .news-row .art{height:180px;margin-bottom:16px;}
  .team-grid,.honor-grid{grid-template-columns:repeat(2,1fr);}
  .feature-list{grid-template-columns:1fr;}
  .lightbox .art{height:300px;}
  .lightbox{padding:20px;}
}
@media (max-width:560px){
  .svc-grid,.case-grid,.news-grid,.footer-top{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .svc-points{grid-template-columns:1fr;}
  .process-wrap{grid-template-columns:1fr 1fr;gap:26px 0;}
  .cta h2{font-size:23px;}
  .hero-btns .btn{flex:1;}
}