/* ============================================================
   北京时禄科技官网 · 全站样式
   设计语言：藏青（信任/科技）+ 活力橙（食禄狗Logo橙）+ 浅底
   零外部依赖：系统字体栈，无 CDN、无框架
   ============================================================ */

:root {
  --navy: #1f3a5f;        /* 主色：藏青 */
  --navy-deep: #16293f;
  --navy-soft: #2c4d7a;
  --orange: #f08c1e;      /* 强调：Logo 橙 */
  --orange-deep: #d97a10;
  --blue: #4a90d9;
  --bg: #f7f9fc;
  --bg-white: #ffffff;
  --text: #22303f;
  --text-sub: #5b6b7c;
  --line: #e3e9f1;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(31, 58, 95, .10);
  --shadow-sm: 0 4px 14px rgba(31, 58, 95, .08);
  --max: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background: var(--bg-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-bar {
  display: flex; align-items: center; gap: 28px;
  height: 72px; max-width: var(--max); margin: 0 auto; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 46px; height: 46px; border-radius: 10px; }
.brand-name { line-height: 1.25; }
.brand-name b { display: block; font-size: 17px; color: var(--navy); letter-spacing: 1px; }
.brand-name span { font-size: 11px; color: var(--text-sub); letter-spacing: .4px; }

.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links > li { position: relative; }
.nav-links a.nav-item {
  display: block; padding: 10px 14px; font-size: 15px; color: var(--text);
  border-radius: 8px; transition: .2s; white-space: nowrap;
}
.nav-links a.nav-item:hover, .nav-links li.active > a.nav-item { color: var(--orange-deep); background: #fdf3e5; }
.nav-drop { position: absolute; top: 100%; left: 0; min-width: 168px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 6px; opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s; }
.nav-links li:hover .nav-drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-drop a { display: block; padding: 9px 12px; font-size: 14px; border-radius: 8px; }
.nav-drop a:hover { background: var(--bg); color: var(--orange-deep); }

.nav-cta { margin-left: 8px; }
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 999px; font-size: 15px;
  font-weight: 600; transition: .2s; cursor: pointer; border: none; text-align: center;
}
.btn-primary { background: linear-gradient(135deg, var(--orange), var(--orange-deep)); color: #fff; box-shadow: 0 6px 16px rgba(240,140,30,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(240,140,30,.42); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.75); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-soft); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; margin-left: auto; }
.nav-toggle span { display: block; width: 22px; height: 2.5px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ---------------- Hero 首屏 ---------------- */
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- 数据带 ---------------- */
.stats-band { background: var(--navy-deep); color: #fff; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding-top: 30px; padding-bottom: 30px; }
.stat { text-align: center; }
.stat b { display: block; font-size: 30px; color: var(--orange); letter-spacing: .5px; }
.stat span { font-size: 13.5px; color: #aebdd0; }

/* ---------------- 区块通用 ---------------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .kicker { display: inline-block; font-size: 13px; letter-spacing: 3px; color: var(--orange-deep); font-weight: 700; margin-bottom: 12px; }
.section-head h2 { font-size: 32px; color: var(--navy); letter-spacing: 1px; margin-bottom: 14px; }
.section-head p { color: var(--text-sub); font-size: 16px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 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);
  padding: 30px 26px; box-shadow: var(--shadow-sm); transition: .25s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #d7e3f2; }
.card .icon { width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 26px; background: #eef4fb; }
.card h3 { font-size: 19px; color: var(--navy); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--text-sub); }

/* 产品线卡片 */
.line-card { position: relative; overflow: hidden; }
.line-card .badge { position: absolute; top: 18px; right: 18px; font-size: 12px; padding: 4px 12px; border-radius: 999px; background: #eef4fb; color: var(--navy); }
.line-card .badge.hot { background: #fdeedd; color: var(--orange-deep); }
.line-card ul { margin-top: 14px; }
.line-card ul li { font-size: 14px; color: var(--text-sub); padding-left: 20px; position: relative; margin-bottom: 7px; }
.line-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 700; }

/* ---------------- 技术双块 ---------------- */
.tech-duo { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.tech-block { border-radius: var(--radius); padding: 38px 34px; color: #fff; position: relative; overflow: hidden; }
.tech-block.eye { background: linear-gradient(150deg, #24466e, #1f3a5f 70%); }
.tech-block.chain { background: linear-gradient(150deg, #b06a10, #d97a10 55%, #f08c1e); }
.tech-block .tb-kicker { font-size: 12.5px; letter-spacing: 2.5px; opacity: .85; margin-bottom: 10px; }
.tech-block h3 { font-size: 24px; margin-bottom: 12px; }
.tech-block p { font-size: 14.5px; opacity: .92; margin-bottom: 18px; }
.tech-block ul li { font-size: 14px; padding: 9px 0 9px 26px; position: relative; border-top: 1px solid rgba(255,255,255,.18); }
.tech-block ul li::before { content: "◆"; position: absolute; left: 4px; font-size: 11px; top: 13px; opacity: .85; }

/* ---------------- 步骤 ---------------- */
.steps { counter-reset: step; }
.step { position: relative; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 34px; font-weight: 800; color: #e8eef6; position: absolute; top: 14px; right: 20px;
}
.step h4 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-sub); }

/* ---------------- CTA 横幅 ---------------- */
.cta-band { background: linear-gradient(120deg, var(--navy) 0%, #2c4d7a 100%); color: #fff; padding: 68px 0; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band h2 { font-size: 28px; margin-bottom: 10px; }
.cta-band p { color: #c9d6e6; font-size: 15.5px; }
.cta-band .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- 页面头（二级页） ---------------- */
.page-hero { background: linear-gradient(135deg, var(--navy-deep), var(--navy) 60%, #25476f); color: #fff; padding: 66px 0 58px; }
.page-hero .crumb { font-size: 13px; color: #9fb2c9; margin-bottom: 14px; }
.page-hero .crumb a { color: #cdd9e8; }
.page-hero h1 { font-size: 36px; letter-spacing: 1px; margin-bottom: 12px; }
.page-hero h1 em { font-style: normal; color: var(--orange); }
.page-hero p { color: #c9d6e6; max-width: 680px; font-size: 16px; }

/* ---------------- 内容排版 ---------------- */
.prose h2 { font-size: 26px; color: var(--navy); margin: 46px 0 18px; }
.prose h3 { font-size: 19px; color: var(--navy); margin: 30px 0 12px; }
.prose p { color: var(--text-sub); font-size: 15.5px; margin-bottom: 12px; }
.prose ul.list li { position: relative; padding-left: 22px; margin-bottom: 8px; color: var(--text-sub); font-size: 15px; }
.prose ul.list li::before { content: "•"; position: absolute; left: 4px; color: var(--orange); font-weight: 700; }

/* 标签 */
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.tags span { font-size: 13px; padding: 6px 14px; border-radius: 999px; background: #eef4fb; color: var(--navy); }

/* 时间线（发展历程） */
.timeline { position: relative; margin-left: 10px; padding-left: 28px; border-left: 2px solid #dbe5f1; }
.timeline .tl-item { position: relative; padding-bottom: 30px; }
.timeline .tl-item::before { content: ""; position: absolute; left: -35px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--orange); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--orange); }
.timeline .tl-item b { display: block; color: var(--navy); font-size: 16px; margin-bottom: 4px; }
.timeline .tl-item p { color: var(--text-sub); font-size: 14.5px; }

/* 表格 */
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-sm); }
.tbl th { background: var(--navy); color: #fff; padding: 13px 16px; text-align: left; font-weight: 600; }
.tbl td { padding: 13px 16px; border-bottom: 1px solid var(--line); color: var(--text-sub); }
.tbl tr:last-child td { border-bottom: none; }

/* 表单 */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-item { display: flex; flex-direction: column; gap: 7px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 14px; color: var(--navy); font-weight: 600; }
.form-item input, .form-item textarea, .form-item select {
  padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 10px; font-size: 14.5px;
  font-family: inherit; color: var(--text); background: var(--bg); outline: none; transition: .2s;
}
.form-item input:focus, .form-item textarea:focus { border-color: var(--orange); background: #fff; }
.form-note { font-size: 12.5px; color: #93a3b5; margin-top: 10px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: var(--navy-deep); color: #9fb2c9; padding: 62px 0 0; font-size: 14px; }
.site-footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: 1px; }
.site-footer .fbrand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.site-footer .fbrand img { width: 42px; height: 42px; border-radius: 9px; }
.site-footer .fbrand b { color: #fff; font-size: 16px; letter-spacing: 1px; }
.site-footer p { line-height: 1.9; }
.site-footer li { margin-bottom: 9px; }
.site-footer li a:hover { color: var(--orange); }
.footer-contact li { display: flex; gap: 8px; }
.footer-contact .ico { flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; font-size: 12.5px; color: #7e91a8; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.footer-bottom a { color: #a9bacd; }
.footer-bottom a:hover { color: var(--orange); }

/* ============================================================
   主流互联网公司官网布局组件（topbar / 巨页脚 / 二维码 / 双产品大卡）
   ============================================================ */

/* 顶部细条 */
.topbar { background: var(--navy-deep); color: #8fa3bb; font-size: 12.5px; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 34px; gap: 16px; }
.topbar .tb-left { letter-spacing: .5px; }
.topbar .tb-right { display: flex; align-items: center; gap: 18px; }
.topbar .tb-right a:hover { color: var(--orange); }
.topbar .tb-sep { color: #3b4d66; }

/* 首屏快捷入口 */
.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.hero-chips a {
  font-size: 13.5px; padding: 7px 16px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.28); color: #d8e3f0; transition: .2s;
}
.hero-chips a:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.6); color: #fff; }

/* 二维码卡片（APP 下载） */
.qr-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.qr-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px;
  text-align: center; box-shadow: var(--shadow-sm); transition: .25s; position: relative;
}
.qr-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.qr-card .qr-box {
  width: 132px; height: 132px; margin: 0 auto 16px; padding: 9px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 2px 8px rgba(31,58,95,.08);
}
.qr-card .qr-box svg { width: 100%; height: 100%; display: block; }
.qr-card h4 { font-size: 16.5px; color: var(--navy); margin-bottom: 5px; }
.qr-card .qr-role { font-size: 12.5px; color: var(--orange-deep); margin-bottom: 8px; }
.qr-card p { font-size: 13px; color: var(--text-sub); line-height: 1.7; }
.qr-card .qr-badge {
  display: inline-block; margin-top: 12px; font-size: 12px; padding: 4px 12px; border-radius: 999px;
  background: #eef4fb; color: var(--navy);
}

/* 合作生态墙 */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.logo-wall .lw-item {
  height: 74px; border: 1px dashed #cfdaea; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; color: #9fb0c4; font-size: 13px; background: #fff;
}

/* 巨页脚 */
.site-footer .footer-brand-row { display: flex; gap: 40px; align-items: flex-start; }
.site-footer .f-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; flex: 1; }
.social-row { display: flex; gap: 12px; margin-top: 16px; }
.social-row .soc {
  width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center; font-size: 16px;
  color: inherit; text-decoration: none;
}
.social-row a.soc:hover { background: rgba(255,255,255,.18); }
.footer-qr { display: flex; gap: 14px; align-items: center; margin-top: 18px; }
.footer-qr .fq-box { width: 74px; height: 74px; padding: 6px; background: #fff; border-radius: 8px; }
.footer-qr .fq-box svg { width: 100%; height: 100%; }

/* 页脚小二维码（微信联系）：白底保证可扫，深色底上要垫白 */
.footer-contact .fq-mini-row { display: flex; gap: 14px; margin-top: 16px; }
.fq-mini { text-align: center; }
.fq-mini img {
  width: 68px; height: 68px; display: block; box-sizing: border-box;
  padding: 4px; background: #fff; border-radius: 8px;
}
.fq-mini b { display: block; margin-top: 6px; font-size: 12px; font-weight: 600; color: #c9d6e6; }

/* ---------------- 微信联系（联系页） ---------------- */
.wechat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 620px; margin: 34px auto 0; }
.wechat-card {
  background: var(--bg-white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 28px 22px 24px; text-align: center;
}
.wechat-card img {
  width: 176px; height: 176px; object-fit: contain; display: block;
  margin: 0 auto 16px; padding: 8px; background: #fff; box-sizing: border-box;
  border: 1px solid var(--line); border-radius: 12px;
}
.wechat-card h3 { font-size: 17.5px; color: var(--navy); margin-bottom: 8px; }
.wechat-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.7; }

/* ---------------- 动效 ---------------- */
/* .js 由 main.js 加到 <html> 上：禁用 JS / 脚本报错时内容默认可见 */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.on { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .tech-duo, .grid-2 { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .qr-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .site-footer .footer-brand-row { flex-direction: column; gap: 28px; }
  .site-footer .f-links { grid-template-columns: repeat(2, 1fr); width: 100%; }
  .topbar .tb-left { display: none; }

  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 12px 18px 18px; gap: 2px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding-left: 14px; display: none; }
  .nav-links li.open-drop .nav-drop { display: block; }
  .nav-cta { margin: 8px 0 0; }

  /* 第四轮组件 */
  .hero-media { min-height: 380px; }
  .hero-m-inner h1 { font-size: 33px; }
  .about-split, .product-split { grid-template-columns: 1fr; gap: 34px; }
  .as-img { max-width: 560px; }
  .as-badge { bottom: -18px; padding: 11px 16px; }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
}
@media (max-width: 620px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
  .section-head h2 { font-size: 25px; }
  .form-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 27px; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .qr-grid { grid-template-columns: 1fr; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .site-footer .f-links { grid-template-columns: 1fr 1fr; }
  .footer-contact .fq-mini-row { gap: 10px; }
  .fq-mini img { width: 60px; height: 60px; }
  .topbar .container { height: 30px; }

  /* 第四轮组件 */
  .hero-media { min-height: 340px; }
  .hero-m-inner { padding: 44px 20px; }
  .hero-m-inner h1 { font-size: 27px; }
  .hero-m-inner .lead { font-size: 15.5px; }
  .biz-grid { grid-template-columns: 1fr; }
  .as-text h3, .ps-text h3 { font-size: 23px; }
  .as-badge { left: 14px; }
}

/* ============================================================
   第四轮改版：首页「先公司后产品」+ 全站实景配图
   ============================================================ */

/* ---------------- 首屏：公司形象全屏图 ---------------- */
.hero-media {
  position: relative;
  min-height: 430px;
  display: flex; align-items: center;
  background: url('../img/hero-bg.jpg') center / cover no-repeat;
}
.hero-media::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(22,41,63,.94) 0%, rgba(22,41,63,.80) 42%, rgba(22,41,63,.28) 100%);
}
.hero-m-inner { position: relative; z-index: 1; padding: 48px 24px; width: 100%; }
.hm-tag {
  display: inline-block; font-size: 13px; letter-spacing: 2.5px; color: #ffd9a8;
  border: 1px solid rgba(240,140,30,.55); background: rgba(240,140,30,.14);
  padding: 7px 18px; border-radius: 999px; margin-bottom: 16px;
}
.hero-m-inner h1 {
  font-size: 42px; line-height: 1.22; letter-spacing: 1.5px; color: #fff; margin-bottom: 14px;
  text-shadow: 0 2px 18px rgba(10,20,35,.45);
}
.hero-m-inner h1 em { font-style: normal; color: var(--orange); }
.hero-m-inner .lead {
  font-size: 16.5px; color: #dbe5f1; max-width: 620px; margin-bottom: 24px;
  text-shadow: 0 1px 10px rgba(10,20,35,.4);
}
.hero-m-inner .hero-chips a { background: rgba(255,255,255,.10); backdrop-filter: blur(4px); }

/* ---------------- 关于公司：左图右文 ---------------- */
.about-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: center; }
.as-img { position: relative; }
.as-img img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; }
.as-badge {
  position: absolute; left: 22px; bottom: -24px;
  background: var(--navy); color: #fff; border-radius: 12px;
  padding: 14px 22px; display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow); border-left: 4px solid var(--orange);
}
.as-badge b { font-size: 26px; color: var(--orange); }
.as-badge span { font-size: 13px; color: #c9d6e6; line-height: 1.5; }
.as-text h3 { font-size: 26px; color: var(--navy); margin-bottom: 16px; letter-spacing: .5px; }
.as-text p { color: var(--text-sub); font-size: 15.5px; margin-bottom: 14px; }
.as-points { margin: 18px 0 26px; }
.as-points li {
  padding: 10px 0 10px 96px; position: relative; font-size: 14.5px; color: var(--text-sub);
  border-bottom: 1px dashed var(--line);
}
.as-points li b {
  position: absolute; left: 0; top: 10px;
  color: var(--navy); font-size: 14px;
  background: #eef3f9; border-radius: 6px; padding: 2px 12px;
}
.as-points li b::after { content: ""; }

/* ---------------- 业务领域：四图卡 ---------------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.biz-card {
  background: var(--bg-white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--line);
  transition: transform .25s ease, box-shadow .25s ease; display: block;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.biz-card img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: cover; transition: transform .4s ease; }
.biz-card:hover img { transform: scale(1.05); }
.bc-body { padding: 20px 20px 22px; }
.bc-body h3 { font-size: 17.5px; color: var(--navy); margin-bottom: 8px; }
.bc-body p { font-size: 13.5px; color: var(--text-sub); line-height: 1.7; margin-bottom: 12px; }
.bc-body span { font-size: 13px; color: var(--orange-deep); font-weight: 700; }

/* ---------------- 核心产品：左文右图 ---------------- */
.product-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 52px; align-items: center; }
.ps-text h3 { font-size: 28px; color: var(--navy); margin-bottom: 6px; }
.ps-text h3 span { font-size: 16px; color: var(--orange-deep); font-weight: 700; margin-left: 10px; letter-spacing: 1px; }
.ps-text > p { color: var(--text-sub); font-size: 15.5px; margin: 14px 0 10px; }
.ps-list li {
  font-size: 14.5px; color: var(--text-sub); padding: 7px 0 7px 24px; position: relative;
}
.ps-list li::before {
  content: "✓"; position: absolute; left: 0; color: var(--orange); font-weight: 700;
}
.ps-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.ps-media img {
  border-radius: var(--radius); box-shadow: var(--shadow); width: 100%;
  height: auto; aspect-ratio: 3/2; object-fit: cover;
}
.ps-apps { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.ps-apps span {
  font-size: 12.5px; color: var(--navy); background: #eef3f9;
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px;
}

/* ---------------- 新闻动态：带图卡 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--bg-white); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.nc-img { overflow: hidden; }
.nc-img img { width: 100%; height: auto; aspect-ratio: 16/10; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .nc-img img { transform: scale(1.05); }
.nc-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.nc-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.nc-meta time { font-size: 13px; color: #93a3b5; }
.nc-body h3 { font-size: 17px; color: var(--navy); margin-bottom: 8px; line-height: 1.5; }
.nc-body p { font-size: 13.5px; color: var(--text-sub); flex: 1; }
.nc-more { margin-top: 14px; font-size: 13px; color: var(--orange-deep); font-weight: 700; }

/* 二级页配图适配 */
.card > .nc-img {
  margin: -30px -26px 20px;
  border-radius: 13px 13px 0 0;
  overflow: hidden;
}
.card > .nc-img img { display: block; }
.card:hover > .nc-img img { transform: scale(1.05); }

/* ---------------- 新闻卡徽章（首页 .news-card） ---------------- */
.nc-meta .badge {
  display: inline-block; font-size: 12px; padding: 3px 10px;
  border-radius: 999px; background: #eef4fb; color: var(--navy); font-weight: 600;
}
.nc-meta .badge.hot { background: #fdeedd; color: var(--orange-deep); }

/* ---------------- 表单焦点可见性（键盘 Tab 才显示，鼠标点击不显示） ---------------- */
.form-item input:focus-visible, .form-item textarea:focus-visible, .form-item select:focus-visible {
  border-color: var(--orange); background: #fff;
  outline: 2px solid var(--orange); outline-offset: 2px;
}

/* ---------------- 尊重「减少动态效果」系统偏好 ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}