/*
Theme Name: 圣概科技
Theme URI: http://www.shshenggai.com
Description: 上海圣概信息技术有限公司官方网站主题（科技蓝）
Version: 1.0.0
Author: WorkBuddy
Text Domain: shenggai
*/

:root {
  --primary: #1564d8;
  --primary-dark: #0d4aa6;
  --primary-light: #e8f1ff;
  --accent: #00b4d8;
  --text: #2b3445;
  --muted: #6b7787;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --border: #e3e9f2;
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Top bar */
.topbar { background: #0b1f3a; color: #cdd9ec; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a { color: #cdd9ec; }
.topbar a:hover { color: #fff; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(20,60,120,.05); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo .mark { width: 40px; height: 40px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.logo .name { font-size: 19px; font-weight: 700; color: var(--text); line-height: 1.2; }
.logo .name small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }

.main-nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.main-nav a { color: var(--text); font-weight: 600; padding: 6px 0; position: relative; }
.main-nav a:hover, .main-nav .current a { color: var(--primary); }
.main-nav a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--primary); transition: width .2s; }
.main-nav a:hover::after, .main-nav .current a::after { width: 100%; }
.menu-toggle { display: none; background: none; border: 0; font-size: 24px; cursor: pointer; color: var(--primary); }

/* Hero */
.hero { background: linear-gradient(135deg, #0d4aa6 0%, #1564d8 55%, #00b4d8 100%); color: #fff; padding: 84px 0; }
.hero h1 { font-size: 40px; margin: 0 0 18px; line-height: 1.25; }
.hero p { font-size: 17px; max-width: 640px; opacity: .95; margin: 0 0 28px; }
.hero .btn { display: inline-block; background: #fff; color: var(--primary-dark); padding: 13px 30px; border-radius: 6px; font-weight: 700; }
.hero .btn:hover { background: #eef4ff; }

/* Sections */
.section { padding: 64px 0; }
.section.soft { background: var(--bg-soft); }
.section h2 { font-size: 30px; text-align: center; margin: 0 0 8px; }
.section .sub { text-align: center; color: var(--muted); margin: 0 0 42px; }

.grid { display: grid; gap: 24px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(20,60,120,.10); }
.card .ico { width: 48px; height: 48px; border-radius: 10px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px; }
.card h3 { margin: 0 0 10px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); }

/* Page content */
.page-header { background: var(--primary-light); padding: 54px 0; border-bottom: 1px solid var(--border); }
.page-header h1 { margin: 0; font-size: 32px; }
.page-header .crumb { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.entry { padding: 56px 0; }
.entry h2 { color: var(--primary-dark); font-size: 24px; margin: 38px 0 14px; padding-left: 13px; border-left: 4px solid var(--primary); }
.entry h2:first-child { margin-top: 0; }
.entry h3 { color: var(--primary-dark); margin: 22px 0 10px; }
.entry p { color: var(--text); line-height: 1.9; margin: 0 0 14px; }
.entry ul { padding-left: 20px; }
.entry li { margin: 6px 0; }

/* 联系我们信息框 */
.contact-box { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 8px 28px; }
.contact-item { display: flex; padding: 16px 0; border-bottom: 1px dashed var(--border); }
.contact-item:last-child { border-bottom: none; }
.contact-item .label { flex: 0 0 96px; color: var(--primary-dark); font-weight: 600; }
.contact-item .value { color: var(--text); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.info-box { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.info-box h3 { margin-top: 0; }
.info-row { display: flex; gap: 12px; margin: 14px 0; }
.info-row .k { color: var(--primary); font-weight: 700; min-width: 70px; }

/* Footer */
.site-footer { background: #0b1f3a; color: #aebfd6; padding: 48px 0 22px; }
.site-footer a { color: #aebfd6; }
.site-footer a:hover { color: #fff; }
.footer-cols { display: grid; grid-template-columns: 1.9fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-cols h4 { color: #fff; margin: 0 0 14px; font-size: 16px; }
.footer-cols ul { list-style: none; padding: 0; margin: 0; }
.footer-cols li { margin: 8px 0; font-size: 14px; }
.footer-bottom { border-top: 1px solid #1c3252; margin-top: 32px; padding-top: 18px; font-size: 13px; color: #7e90ad; text-align: center; }
.footer-bottom a { color: #9fb3d4; }

/* Responsive */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .menu-toggle { display: block; }
  .grid.cols-3, .grid.cols-2, .contact-grid, .footer-cols { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* ==========================================================
   首页（Home）—— 按企业站版式扩展
   ========================================================== */

/* Hero */
.hero-home { position: relative; overflow: hidden; padding: 100px 0 108px; text-align: center; background: linear-gradient(135deg, #06214a 0%, #0d4aa6 42%, #1564d8 72%, #00b4d8 100%); }
.hero-dots { position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px); background-size: 26px 26px; opacity: .5; -webkit-mask-image: radial-gradient(ellipse at 50% 25%, #000 25%, transparent 78%); mask-image: radial-gradient(ellipse at 50% 25%, #000 25%, transparent 78%); }
.hero-inner { position: relative; z-index: 2; }
.hero-kicker { display: inline-block; font-size: 15px; letter-spacing: 5px; color: #cfe3ff; margin-bottom: 12px; }
.hero-home h1 { font-size: 46px; margin: 0 0 18px; letter-spacing: 1px; line-height: 1.25; }
.hero-home p { max-width: 700px; margin: 0 auto 30px; font-size: 17px; color: #dfeaff; }
.hero-home .btn { display: inline-block; background: #fff; color: var(--primary-dark); padding: 13px 36px; border-radius: 6px; font-weight: 700; }
.hero-home .btn:hover { background: #eef4ff; }

/* 甄选推荐 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; transition: transform .2s, box-shadow .2s; }
.product-card:hover { transform: translateY(-5px); box-shadow: 0 14px 30px rgba(20,60,120,.12); }
.product-thumb { position: relative; height: 168px; background: linear-gradient(150deg, #eaf2ff, #f7fbff); display: flex; align-items: center; justify-content: center; }
.product-thumb .thumb-ico { font-size: 15px; color: var(--primary); letter-spacing: 1px; border: 1px dashed #b9d2f2; padding: 8px 18px; border-radius: 20px; background: rgba(255,255,255,.75); }
.product-thumb .badge { position: absolute; top: 12px; left: 12px; background: var(--primary); color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 12px; }
.product-body { padding: 18px 20px 22px; }
.product-body h3 { margin: 0 0 6px; font-size: 17px; }
.product-body p { margin: 0; color: var(--muted); font-size: 14px; }

/* 关于我们（公司介绍 + 数据） */
.about-band { background: linear-gradient(120deg, #0b2a55, #1564d8); color: #fff; }
.about-band-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 46px; align-items: center; }
.about-card h3 { font-size: 24px; margin: 0 0 16px; }
.about-card p { color: #d8e6fb; margin: 0 0 14px; }
.about-card .btn-outline { display: inline-block; border: 1px solid rgba(255,255,255,.8); color: #fff; padding: 11px 26px; border-radius: 6px; font-weight: 700; margin-top: 6px; }
.about-card .btn-outline:hover { background: #fff; color: var(--primary-dark); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.stat { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 10px; padding: 20px 22px; }
.stat strong { display: block; font-size: 34px; color: #fff; line-height: 1.1; }
.stat strong em { font-style: normal; font-size: 20px; color: #8fd0ff; }
.stat span { color: #c9dbf5; font-size: 14px; }

/* 定制 CTA */
.cta-band { background: #0b1f3a; color: #fff; padding: 46px 0; }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-text h3 { margin: 0 0 6px; font-size: 26px; }
.cta-text p { margin: 0 0 16px; color: #a9bdd8; }
.btn-light { display: inline-block; background: var(--primary); color: #fff; padding: 12px 28px; border-radius: 6px; font-weight: 700; }
.btn-light:hover { background: var(--primary-dark); color: #fff; }
.cta-phone { text-align: right; }
.cta-phone .tel-label { display: block; color: #a9bdd8; font-size: 14px; margin-bottom: 4px; }
.cta-phone .tel { display: block; font-size: 30px; font-weight: 800; color: #fff; letter-spacing: 1px; }
.cta-phone .tel.sm { font-size: 19px; font-weight: 600; color: #cfe3ff; letter-spacing: .5px; }

/* 解决方案 */
.sol-tabs { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 0 0 34px; }
.sol-tab { padding: 10px 24px; border-radius: 24px; background: #fff; border: 1px solid var(--border); color: var(--text); font-weight: 600; }
.sol-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.sol-body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.sol-text h3 { font-size: 24px; margin: 0 0 14px; }
.sol-text p { color: var(--muted); margin: 0 0 14px; }
.sol-text .btn { display: inline-block; background: var(--primary); color: #fff; padding: 12px 28px; border-radius: 6px; font-weight: 700; margin-top: 6px; }
.sol-visual { min-height: 280px; border-radius: 12px; background: linear-gradient(140deg, #0d4aa6, #1564d8 55%, #00b4d8); position: relative; overflow: hidden; }
.sol-visual::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.18) 1.5px, transparent 1.5px); background-size: 22px 22px; opacity: .7; }

/* 专业服务（4 列） */
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* 合作品牌 */
.brand-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.brand-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; height: 78px; display: flex; align-items: center; justify-content: center; color: #5a6a80; font-weight: 700; letter-spacing: .5px; transition: .2s; }
.brand-item:hover { color: var(--primary); border-color: #bcd6f7; box-shadow: 0 8px 20px rgba(20,60,120,.08); }

.sub.en { letter-spacing: 2px; font-size: 13px; margin-top: -2px; }

/* 首页响应式 */
@media (max-width: 860px) {
  .product-grid, .grid.cols-4, .brand-grid, .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .about-band-inner, .sol-body { grid-template-columns: 1fr; }
  .hero-home { padding: 68px 0 74px; }
  .hero-home h1 { font-size: 30px; }
  .cta-band-inner { flex-direction: column; text-align: center; }
  .cta-phone { text-align: center; }
}
@media (max-width: 560px) {
  .product-grid, .brand-grid { grid-template-columns: 1fr; }
}