/* =========================================================
   Pc3721 电脑维修中心 — 全新响应式样式 v2 (图文并茂)
   设计：蓝色科技品牌风，手机/电脑自适应
   ========================================================= */

/* ---------- 通用页面头图 banner ---------- */
.page-banner{
  position:relative;
  width:100%;
  height:260px;
  background:var(--blue-d) center/cover no-repeat;
  background-image:url('/img/region-default.jpg');
  overflow:hidden;
}
.page-banner .container{
  position:relative;
  z-index:2;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.page-banner::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(13,71,161,.55) 0%,rgba(21,101,192,.35) 100%);
  z-index:1;
}
.page-banner h1{
  color:#fff;
  font-size:34px;
  margin:0 0 6px;
  text-shadow:0 2px 12px rgba(0,0,0,.3);
}
.page-banner .crumb{
  color:rgba(255,255,255,.9);
  font-size:14px;
}
.page-banner .crumb a{color:#fff;}
.page-banner .crumb .sep{margin:0 6px;opacity:.7;}
/* 各页面专属 banner 图（CSS 类默认；gen2.py 会用 inline style 精确指向） */
.page-banner.banner-about{background-image:url('/img/about.jpg');}
.page-banner.banner-contact{background-image:url('/img/contact.jpg');}
.page-banner.banner-pc{background-image:url('/img/banner-pc.jpg');}
.page-banner.banner-it{background-image:url('/img/banner-it.jpg');}
.page-banner.banner-net{background-image:url('/img/banner-net.jpg');}
.page-banner.banner-printer{background-image:url('/img/banner-printer.jpg');}
.page-banner.banner-fee{background-image:url('/img/banner-fee.jpg');}
.page-banner.banner-tech{background-image:url('/img/banner-tech.jpg');}
.page-banner.banner-region-1{background-image:url('/img/region-1.jpg');}
.page-banner.banner-region-2{background-image:url('/img/region-2.jpg');}
.page-banner.banner-region-3{background-image:url('/img/region-3.jpg');}
.page-banner.banner-region-4{background-image:url('/img/region-4.jpg');}

/* ---------- 文章头图 ---------- */
.article-cover{
  width:100%;
  height:auto;
  max-height:420px;
  object-fit:cover;
  border-radius:var(--radius);
  margin-bottom:22px;
  box-shadow:var(--shadow);
}

/* ---------- 首页 hero 背景图 ---------- */
.hero{
  position:relative;
  background:linear-gradient(135deg,var(--blue-d) 0%,var(--blue) 100%);
  background-image:linear-gradient(135deg,rgba(13,71,161,.65),rgba(21,101,192,.45)),url('/img/hero.jpg');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:72px 0 80px;
  overflow:hidden;
}
.hero h1{color:#fff;font-size:42px;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.25);}
.hero .lead{font-size:17px;color:rgba(255,255,255,.95);max-width:780px;line-height:1.7;}
.hero .cta{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero .phone{color:#fff;font-size:24px;font-weight:700;letter-spacing:.5px;}
.hero .phone small{font-size:15px;color:rgba(255,255,255,.75);font-weight:400;margin-left:4px;}

/* ---------- 服务卡配图 ---------- */
.grid .card .thumb{
  width:calc(100% + 32px);
  margin:-16px -16px 14px;
  height:160px;
  background:var(--blue-l) center/cover no-repeat;
  border-radius:var(--radius) var(--radius) 0 0;
  position:relative;
  overflow:hidden;
}
.grid .card .thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(0,0,0,.15) 100%);
}
.grid .card .ic{font-size:36px;margin-bottom:8px;position:relative;z-index:1;}
.grid .card h3{position:relative;z-index:1;}

/* ---------- 区域服务卡片图 ---------- */
.region-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:10px;
}
.region-grid a{
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px 12px;
  text-align:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--ink);
  font-size:14px;
  transition:all .2s;
  min-height:54px;
}
.region-grid a:hover{
  background:var(--blue);
  color:#fff;
  border-color:var(--blue);
  transform:translateY(-2px);
  box-shadow:var(--shadow);
}

/* ---------- 文章索引卡片化 ---------- */
.article-list{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:12px;
}
.article-list li{margin:0;}
.article-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--blue);
  border-radius:6px;
  color:var(--ink);
  font-size:14px;
  line-height:1.5;
  transition:all .2s;
  min-height:54px;
}
.article-list a::before{
  content:"📄";
  flex-shrink:0;
  font-size:18px;
}
.article-list a:hover{
  background:var(--blue-l);
  border-left-color:var(--accent);
  color:var(--blue-d);
  transform:translateX(2px);
}

:root{
  --blue:#1565c0;
  --blue-d:#0d47a1;
  --blue-l:#e8f1fb;
  --accent:#ff6f00;
  --accent-d:#e65100;
  --ink:#232a33;
  --muted:#6b7785;
  --line:#e4eaf1;
  --bg:#f4f7fb;
  --card:#ffffff;
  --ok:#2e9e5b;
  --radius:12px;
  --shadow:0 6px 22px rgba(21,101,192,.10);
  --maxw:1180px;
  --header-h:64px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",
    "Helvetica Neue",Arial,system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:15px;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--blue);text-decoration:none;}
a:hover{color:var(--blue-d);}
h1,h2,h3,h4{line-height:1.35;color:var(--ink);margin:0 0 .5em;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.4em;}

/* ---------- 顶部条 ---------- */
.topbar{
  background:var(--blue-d);
  color:#cfe0f5;
  font-size:13px;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  height:38px;flex-wrap:wrap;gap:6px;}
.topbar a{color:#dce9fa;}
.topbar .hot{color:#ffd9b0;font-weight:700;}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;}
.brand .logo-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--blue-d));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:900;letter-spacing:1px;
}
.brand .name{font-size:19px;color:var(--ink);line-height:1.1;}
.brand .name small{display:block;font-size:12px;font-weight:500;color:var(--muted);}
.brand .name b{color:var(--blue);}

/* 主导航 */
.main-nav{display:flex;align-items:center;}
.main-nav ul{
  display:flex;list-style:none;margin:0;padding:0;gap:2px;
}
.main-nav li{}
.main-nav a{
  display:block;padding:10px 14px;color:var(--ink);
  font-size:15px;font-weight:600;border-radius:8px;
}
.main-nav a:hover{background:var(--blue-l);color:var(--blue);}
.main-nav a.active{color:var(--blue);}
.main-nav a.ext{color:var(--accent);}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;cursor:pointer;
  background:none;border:0;padding:8px;
}
.nav-toggle span{width:24px;height:3px;background:var(--ink);border-radius:2px;transition:.3s;}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 18px;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(120deg,var(--blue) 0%,var(--blue-d) 60%,#103a78 100%);
  color:#fff;padding:54px 0 60px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);
}
.hero h1{color:#fff;font-size:34px;margin-bottom:10px;}
.hero p.lead{font-size:17px;color:#dbe8fb;max-width:640px;}
.hero .cta{margin-top:22px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:30px;font-weight:700;font-size:15px;
  transition:.2s;cursor:pointer;border:0;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,111,0,.35);}
.btn-primary:hover{background:var(--accent-d);color:#fff;}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.hero .phone{font-size:26px;font-weight:800;color:#ffd9b0;letter-spacing:1px;}
.hero .phone small{font-size:14px;color:#cfe0f5;font-weight:500;}

/* ---------- 区块标题 ---------- */
.section{padding:46px 0;}
.section.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-title{text-align:center;margin-bottom:30px;}
.section-title h2{font-size:26px;display:inline-block;position:relative;padding-bottom:10px;}
.section-title h2::after{content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:0;width:56px;height:4px;border-radius:2px;background:var(--accent);}
.section-title p{color:var(--muted);margin:8px 0 0;}

/* ---------- 服务卡片网格 ---------- */
.grid{display:grid;gap:18px;}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:.2s;box-shadow:var(--shadow);
}
.card:hover{transform:translateY(-4px);border-color:var(--blue);}
.card .ic{
  width:48px;height:48px;border-radius:12px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px;
}
.card h3{font-size:17px;margin-bottom:6px;}
.card p{color:var(--muted);font-size:14px;margin:0;}
.card a.stretched{color:inherit;}

/* 特色/优势 */
.feat{display:flex;gap:14px;align-items:flex-start;}
.feat .num{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--blue);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.feat h3{font-size:16px;margin:2px 0 4px;}
.feat p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;color:var(--muted);padding:14px 0 0;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb span.sep{margin:0 8px;color:#c2ccd6;}

/* ---------- 内容布局 ---------- */
.layout{display:flex;gap:28px;align-items:flex-start;padding:22px 0 50px;}
.content{flex:1 1 auto;min-width:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;box-shadow:var(--shadow);}
.content > h1{font-size:26px;color:var(--blue-d);padding-bottom:14px;
  border-bottom:3px solid var(--blue-l);margin-bottom:22px;}
.content h2{font-size:20px;color:var(--blue);margin-top:28px;}
.content h3{font-size:17px;color:var(--ink);margin-top:20px;}
.content p{color:#37424f;}
.content ul, .content ol{color:#37424f;}
.content img{border-radius:8px;margin:14px 0;}
.content a{text-decoration:underline;text-underline-offset:2px;}

/* 图文相册 — 公司环境/维修现场 */
.gallery{
  display:grid;gap:16px;margin:24px 0;
}
.gallery.gallery-photos{
  grid-template-columns:repeat(3,1fr);
}
.gallery figure{
  margin:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s;
}
.gallery figure:hover{
  transform:translateY(-3px);box-shadow:0 8px 24px rgba(21,101,192,.18);
}
.gallery figure img{
  width:100%;height:180px;object-fit:cover;display:block;
  margin:0;border-radius:0;background:#eef3fa;
}
.gallery figure figcaption{
  padding:10px 12px;font-size:14px;color:var(--ink);
  text-align:center;border-top:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#f7faff);
}

/* 遗留表格（原站内容表）美化 */
table.legacy-table{
  width:100%!important;border-collapse:collapse;margin:14px 0;font-size:14px;
  background:#fff;
}
table.legacy-table td,table.legacy-table th{
  border:1px solid var(--line);padding:9px 12px;vertical-align:top;line-height:1.6;
}
table.legacy-table tr:nth-child(even) td{background:#fafcff;}

/* 侧栏 */
.sidebar{flex:0 0 300px;max-width:300px;}
.sidebar .box{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;margin-bottom:20px;box-shadow:var(--shadow);
}
.sidebar .box h3{
  font-size:16px;margin:0 0 12px;padding-left:10px;
  border-left:4px solid var(--accent);color:var(--ink);
}
.sidebar .hotline{
  background:linear-gradient(135deg,var(--blue),var(--blue-d));
  color:#fff;border:0;
}
.sidebar .hotline h3{color:#fff;border-color:#ffd9b0;}
.sidebar .hotline .tel{font-size:24px;font-weight:800;color:#ffd9b0;letter-spacing:1px;}
.sidebar .hotline .tel.sm{font-size:16px;}
.sidebar p{font-size:14px;color:#41505f;}

/* 文章列表 */
.article-list{list-style:none;padding:0;margin:0;}
.article-list li{
  padding:12px 0;border-bottom:1px dashed var(--line);display:flex;
  justify-content:space-between;gap:12px;align-items:baseline;
}
.article-list li a{font-size:15px;color:var(--blue);text-decoration:none;}
.article-list li .date{color:var(--muted);font-size:12px;white-space:nowrap;}
.article-list li a:hover{text-decoration:underline;}

/* 地区/分店网格 */
.region-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.region-grid a{
  display:block;padding:10px 12px;background:var(--blue-l);color:var(--blue-d);
  border-radius:8px;font-size:14px;font-weight:600;text-align:center;
  border:1px solid transparent;transition:.15s;
}
.region-grid a:hover{background:var(--blue);color:#fff;}

/* 联系条 */
.contact-strip{
  background:var(--blue-d);color:#dce9fa;padding:26px 0;border-radius:var(--radius);
}
.contact-strip .container{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center;}
.contact-strip .tel{font-size:24px;font-weight:800;color:#ffd9b0;}
.contact-strip p{margin:0;color:#cfe0f5;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0f1f33;color:#aebfd2;font-size:14px;margin-top:40px;}
.site-footer a{color:#cfe0f5;}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:42px 0 26px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer ul li{margin-bottom:8px;}
.site-footer .brand-f{font-size:18px;color:#fff;font-weight:800;margin-bottom:10px;}
.site-footer .copy{border-top:1px solid #1d3249;padding:16px 0;text-align:center;color:#7e92ab;font-size:13px;}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .site-footer .cols{grid-template-columns:1fr 1fr;}
  .article-list{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;left:0;right:0;top:var(--header-h);
    background:#fff;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
    box-shadow:0 10px 20px rgba(0,0,0,.06);
  }
  body.nav-open .main-nav{max-height:420px;overflow:auto;}
  .main-nav ul{flex-direction:column;width:100%;padding:8px 0;}
  .main-nav a{padding:13px 20px;border-radius:0;border-bottom:1px solid var(--line);}

  .hero{padding:38px 0 44px;}
  .hero h1{font-size:26px;}
  .hero .phone{font-size:22px;}

  .page-banner{height:200px;}
  .page-banner h1{font-size:26px;}

  .layout{flex-direction:column;gap:18px;}
  .content{padding:22px 18px;}
  .sidebar{flex:1 1 auto;max-width:100%;width:100%;}
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr 1fr;}
  .site-footer .cols{grid-template-columns:1fr;gap:20px;}
  .section{padding:34px 0;}
  .section-title h2{font-size:22px;}
  .grid .card .thumb{height:130px;}
  .article-list{grid-template-columns:1fr;}
  .article-cover{max-height:240px;}
  .gallery.gallery-photos{grid-template-columns:1fr 1fr;}
}
@media (max-width:480px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}
  .hero h1{font-size:23px;}
  .page-banner{height:170px;}
  .page-banner h1{font-size:22px;}
  .content{padding:18px 14px;}
  .brand .name{font-size:16px;}
  .gallery.gallery-photos{grid-template-columns:1fr;}
  .gallery figure img{height:200px;}
}
@media (max-width:480px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}
  .hero h1{font-size:23px;}
  .page-banner{height:170px;}
  .page-banner h1{font-size:22px;}
  .content{padding:18px 14px;}
  .brand .name{font-size:16px;}
}