/* ============================================================
   玉鼎保信官网 · 全局样式
   主色：消防红 + 深蓝（红蓝消防色）
   ============================================================ */
:root {
  --blue-900: #0A2A66;
  --blue-800: #0E3A8C;
  --blue-700: #1248A8;
  --blue-600: #1559C8;
  --blue-100: #E3EDFA;
  --blue-50:  #F0F5FD;
  --red-700: #B0271F;
  --red-600: #D1342C;
  --red-500: #E04A3C;
  --red-100: #FBE9E7;
  --ink: #1A2333;
  --muted: #5A6577;
  --line: #E4E8F0;
  --bg: #F6F8FB;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(14, 58, 140, .08);
  --shadow-lg: 0 14px 44px rgba(14, 58, 140, .14);
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- 通用标题 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--red-600); font-size: 14px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: var(--red-600); border-radius: 2px; }
.sec-title { font-size: 34px; font-weight: 700; color: var(--blue-900); margin: 10px 0 14px; line-height: 1.3; }
.sec-desc { color: var(--muted); font-size: 16px; max-width: 720px; }
.sec-head { margin-bottom: 44px; }
.sec-head.center { text-align: center; }
.sec-head.center .sec-desc { margin: 0 auto; }
.sec-head.center .eyebrow { justify-content: center; }

section { padding: 88px 0; }
section.tint { background: var(--bg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: all .25s ease;
}
.btn-primary { background: var(--red-600); color: #fff; box-shadow: 0 8px 20px rgba(209, 52, 44, .32); }
.btn-primary:hover { background: var(--red-700); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-blue { background: var(--blue-800); color: #fff; }
.btn-blue:hover { background: var(--blue-700); transform: translateY(-2px); }
.btn-outline-blue { border-color: var(--blue-800); color: var(--blue-800); }
.btn-outline-blue:hover { background: var(--blue-800); color: #fff; }

/* ---------- 头部 ---------- */
.topbar {
  background: var(--blue-900); color: rgba(255,255,255,.82);
  font-size: 13px; padding: 7px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; }
.topbar .vals { letter-spacing: 1px; }
.topbar .vals b { color: #fff; font-weight: 600; }
.topbar a:hover { color: #fff; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; height: 72px; gap: 28px; max-width: 1600px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { display: block; width: 42px; height: 42px; object-fit: contain; flex-shrink: 0; }
.footer-brand .brand-logo { width: 36px; height: 36px; }
.brand-name { font-size: 19px; font-weight: 700; color: var(--blue-900); letter-spacing: .5px; line-height: 1.25; white-space: nowrap; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: 3.5px; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 8px 13px; font-size: 15px; color: var(--ink);
  border-radius: 8px; transition: all .2s; white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: var(--red-600); background: var(--red-100); }
.main-nav .mobile-action { display: none; }
.header-actions { display: flex; gap: 12px; align-items: center; flex-shrink: 0; }
.btn-login {
  padding: 9px 20px; font-size: 14px; border-radius: 999px;
  border: 1.5px solid var(--blue-800); color: var(--blue-800); font-weight: 600;
}
.btn-login:hover { background: var(--blue-800); color: #fff; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--blue-900); margin: 5px 0; border-radius: 2px; }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(118deg, var(--blue-900) 0%, var(--blue-800) 46%, var(--blue-700) 72%, #8c1f1a 130%);
  padding: 0;
}
.hero::before {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 520px; height: 520px; border-radius: 50%;
  background: rgba(209, 52, 44, .22);
}
.hero::after {
  content: ""; position: absolute; right: 180px; bottom: -220px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 60px solid rgba(255,255,255,.05);
}
.hero .wrap {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px;
  align-items: center; padding-top: 76px; padding-bottom: 76px;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(209,52,44,.92); border-radius: 6px;
  padding: 6px 14px; font-size: 13.5px; font-weight: 600; letter-spacing: 1px;
}
.hero h1 { font-size: 48px; line-height: 1.25; font-weight: 800; margin: 22px 0 6px; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: #FFB4A8; }
.hero-sub { font-size: 19px; color: rgba(255,255,255,.88); font-weight: 500; letter-spacing: .5px; }
.hero-points { margin: 26px 0 34px; display: grid; gap: 12px; }
.hero-points li { display: flex; gap: 10px; align-items: flex-start; font-size: 15.5px; color: rgba(255,255,255,.92); }
.hero-points li i {
  flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px;
  border-radius: 50%; background: var(--red-600);
  display: inline-flex; align-items: center; justify-content: center;
  font-style: normal; font-size: 13px; font-weight: 700;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-photo { position: relative; }
.hero-photo .frame {
  border-radius: 18px; overflow: hidden;
  border: 5px solid rgba(255,255,255,.16);
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
  transform: rotate(1.2deg);
}
.hero-photo .badge {
  position: absolute; left: -26px; bottom: 34px;
  background: #fff; color: var(--blue-900);
  border-radius: 12px; padding: 14px 20px;
  box-shadow: var(--shadow-lg); transform: rotate(-1deg);
}
.hero-photo .badge b { display: block; font-size: 24px; color: var(--red-600); font-weight: 800; }
.hero-photo .badge span { font-size: 12.5px; color: var(--muted); }

/* ---------- 信任数字带 ---------- */
.stats { background: #fff; border-bottom: 1px solid var(--line); padding: 34px 0; }
.stats .wrap { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.stat { text-align: center; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: -10px; top: 12%; height: 76%; width: 1px; background: var(--line); }
.stat b { font-size: 34px; font-weight: 800; color: var(--red-600); font-variant-numeric: tabular-nums; }
.stat b small { font-size: 16px; font-weight: 700; }
.stat span { display: block; margin-top: 2px; font-size: 13.5px; color: var(--muted); }

/* ---------- 全流程卡片 ---------- */
.flow-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.flow-card {
  background: #fff; border-radius: var(--radius); padding: 30px 28px;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: all .28s ease; position: relative; overflow: hidden;
}
.flow-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: linear-gradient(var(--red-600), var(--blue-800));
}
.flow-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.flow-card .no { font-size: 13px; font-weight: 700; color: var(--red-600); letter-spacing: 2px; }
.flow-card h3 { font-size: 21px; color: var(--blue-900); margin: 8px 0 10px; }
.flow-card p { font-size: 14.5px; color: var(--muted); min-height: 72px; }
.flow-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.flow-card .tags span {
  font-size: 12.5px; color: var(--blue-800); background: var(--blue-100);
  padding: 4px 10px; border-radius: 999px;
}

/* ---------- 瓶检流程 stepper ---------- */
.stepper { display: grid; grid-template-columns: repeat(9, 1fr); gap: 10px; margin-top: 40px; }
.step {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 10px 14px; text-align: center; position: relative; transition: all .25s;
}
.step:hover { border-color: var(--red-500); transform: translateY(-4px); box-shadow: var(--shadow); }
.step i {
  display: inline-flex; width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue-800); color: #fff; font-style: normal; font-weight: 700;
  align-items: center; justify-content: center; font-size: 15px; margin-bottom: 8px;
}
.step:nth-child(-n+3) i { background: var(--red-600); }
.step b { display: block; font-size: 14px; color: var(--blue-900); font-weight: 600; }
.step span { font-size: 11.5px; color: var(--muted); display: block; margin-top: 3px; line-height: 1.45; }
.stepper-note { text-align: center; margin-top: 22px; font-size: 13.5px; color: var(--muted); }
.stepper-note b { color: var(--red-600); }

/* ---------- 阳光系统 ---------- */
.sunshine { background: linear-gradient(180deg, var(--blue-900), #0d3260); color: #fff; }
.sunshine .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.sunshine .sec-title { color: #fff; }
.sunshine .sec-desc { color: rgba(255,255,255,.78); }
.sunshine .eyebrow { color: #FFB4A8; }
.sunshine .eyebrow::before { background: #FFB4A8; }
.sun-list { margin-top: 26px; display: grid; gap: 16px; }
.sun-list li { display: flex; gap: 14px; align-items: flex-start; }
.sun-list .ic {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 11px;
  background: rgba(209,52,44,.25); border: 1px solid rgba(255,180,168,.4);
  display: flex; align-items: center; justify-content: center;
}
.sun-list b { display: block; font-size: 16.5px; margin-bottom: 2px; }
.sun-list span { font-size: 14px; color: rgba(255,255,255,.72); }
.sun-visual { position: relative; }
.sun-visual .frame { border-radius: 16px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.invite-box {
  margin-top: 22px; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18); border-radius: 14px; padding: 18px 20px;
}
.invite-box p { font-size: 13.5px; color: rgba(255,255,255,.75); margin-bottom: 12px; }
.invite-row { display: flex; gap: 10px; }
.invite-row input {
  flex: 1; border-radius: 10px; border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.1); color: #fff; padding: 11px 16px; font-size: 15px;
  letter-spacing: 2px; outline: none;
}
.invite-row input::placeholder { color: rgba(255,255,255,.45); letter-spacing: 1px; }
.invite-row input:focus { border-color: #FFB4A8; background: rgba(255,255,255,.16); }
.invite-msg { margin-top: 10px; font-size: 13px; min-height: 20px; color: #9EE6B0; }
.invite-msg.err { color: #FFB4A8; }

/* ---------- 痛点案例 ---------- */
.pain-banner {
  background: linear-gradient(100deg, var(--red-700), var(--red-600) 55%, var(--blue-800) 130%);
  border-radius: 18px; color: #fff; padding: 40px 48px;
  display: flex; align-items: center; gap: 36px; margin-bottom: 46px;
}
.pain-banner .big { font-size: 26px; font-weight: 800; line-height: 1.5; flex: 1; }
.pain-banner .big em { font-style: normal; background: rgba(255,255,255,.18); padding: 2px 10px; border-radius: 8px; }
.pain-banner .side { font-size: 14.5px; color: rgba(255,255,255,.85); max-width: 300px; border-left: 1px solid rgba(255,255,255,.3); padding-left: 28px; }
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; transition: all .25s; position: relative;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--red-500); }
.case-card .yr { font-size: 13px; font-weight: 700; color: var(--red-600); }
.case-card h4 { font-size: 16.5px; color: var(--blue-900); margin: 8px 0 8px; line-height: 1.5; }
.case-card p { font-size: 13.5px; color: var(--muted); }
.case-card .tag {
  position: absolute; top: 20px; right: 20px; font-size: 11.5px;
  background: var(--red-100); color: var(--red-700); padding: 3px 10px; border-radius: 999px; font-weight: 600;
}

/* ---------- 业绩 ---------- */
.perf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.perf-item {
  text-align: center; background: #fff; border: 1px solid var(--line);
  border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
  transition: all .3s;
}
.perf-item .pic {
  width: 100%; aspect-ratio: 3 / 2; border-radius: 0; overflow: hidden; margin: 0 0 12px;
  background: #eef1f6;
}
.perf-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.perf-item:hover .pic img { transform: scale(1.05); }
.perf-item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.perf-item b { display: block; padding: 0 12px; font-size: 15px; color: var(--blue-900); font-weight: 600; }
.perf-item span { display: block; padding: 2px 12px 16px; font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ---------- 生态布局 ---------- */
.eco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.eco-card {
  border-radius: var(--radius); overflow: hidden; background: #fff;
  border: 1px solid var(--line); box-shadow: var(--shadow); transition: all .28s;
}
.eco-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.eco-card .hd { padding: 26px 26px 20px; color: #fff; position: relative; }
.eco-card:nth-child(1) .hd { background: linear-gradient(135deg, var(--blue-800), var(--blue-600)); }
.eco-card:nth-child(2) .hd { background: linear-gradient(135deg, var(--red-700), var(--red-500)); }
.eco-card:nth-child(3) .hd { background: linear-gradient(135deg, #12315f, var(--blue-800)); }
.eco-card .hd h3 { font-size: 20px; }
.eco-card .hd span { font-size: 13px; opacity: .85; }
.eco-card .bd { padding: 22px 26px 28px; }
.eco-card .bd p { font-size: 14px; color: var(--muted); }
.eco-card .bd ul { margin-top: 12px; display: grid; gap: 7px; }
.eco-card .bd li { font-size: 13.5px; color: var(--ink); padding-left: 16px; position: relative; }
.eco-card .bd li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; border-radius: 2px; background: var(--red-600); }

/* ---------- 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  padding: 26px; transition: all .25s;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-card time { font-size: 13px; color: var(--red-600); font-weight: 600; }
.news-card h4 { font-size: 17px; color: var(--blue-900); margin: 10px 0 8px; line-height: 1.55; }
.news-card p { font-size: 13.5px; color: var(--muted); }
.news-card .more { display: inline-block; margin-top: 14px; font-size: 13.5px; color: var(--blue-700); font-weight: 600; }
.news-card .more:hover { color: var(--red-600); }

/* ---------- CTA 带 ---------- */
.cta-band {
  background: linear-gradient(110deg, var(--blue-900), var(--blue-800) 60%, var(--red-700) 135%);
  border-radius: 20px; color: #fff; padding: 52px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
}
.cta-band h3 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.cta-band p { color: rgba(255,255,255,.85); font-size: 15px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #081F49; color: rgba(255,255,255,.72); padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr .9fr; gap: 44px; padding-bottom: 48px; }
.site-footer h5 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.site-footer li { margin-bottom: 10px; }
.site-footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .brand-name { color: #fff; }
.footer-qr { text-align: center; }
.footer-qr img { width: 108px; height: auto; margin: 0 auto 8px; border-radius: 8px; background: #fff; padding: 6px; }
.footer-qr span { font-size: 12.5px; }
.copyright {
  border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0;
  font-size: 12.5px; color: rgba(255,255,255,.45);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.copyright .icp-number { flex-basis: 100%; text-align: center; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1536px) {
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 72px;
    background: #fff; flex-direction: column; padding: 14px 20px; box-shadow: var(--shadow-lg); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; margin-left: auto; }
  .header-actions { margin-left: 0; }
  .brand-name { font-size: 17px; }
}
@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .stepper { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .perf-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-cards, .eco-grid, .news-grid { grid-template-columns: 1fr; }
  .stats .wrap { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
  .pain-banner, .cta-band { flex-direction: column; align-items: flex-start; padding: 34px 28px; }
  .pain-banner .side { border-left: none; padding-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sunshine .grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  .sec-title { font-size: 26px; }
  .topbar .wrap { justify-content: center; }
  .topbar .vals { display: none; }
  .site-header .wrap { gap: 12px; }
  .site-header .brand { min-width: 0; flex-shrink: 1; }
  .site-header .brand-name { white-space: normal; }
  .site-header .header-actions { display: none; }
  .main-nav { max-height: calc(100vh - 72px); overflow-y: auto; }
  .main-nav a { padding: 10px 13px; }
  .main-nav .mobile-action { display: block; }
  .brand { gap: 9px; }
  .brand-logo { width: 34px; height: 34px; }
  .brand-name { font-size: 15px; letter-spacing: 0; }
  .brand-sub { font-size: 9px; letter-spacing: 2px; }
  .stepper { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .perf-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .perf-item b { font-size: 13.5px; padding: 0 8px; }
  .perf-item span { font-size: 11.5px; padding: 2px 8px 12px; }
  .hero h1 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand .brand-name { white-space: normal; }
  .hero-photo .badge { left: 8px; }
  .eyebrow { max-width: 100%; overflow-wrap: anywhere; letter-spacing: 1px; }
  .sunshine .grid { grid-template-columns: minmax(0, 1fr); }
  .invite-row input { min-width: 0; }
  .search-row input { min-width: 0; }
  .platform-grid[style] { grid-template-columns: 1fr !important; }
}
@media (max-width: 360px) {
  .site-header .brand-name { font-size: 13px; }
}

/* ---------- 环节详情弹窗 ---------- */
.step { cursor: pointer; }
.step:focus-visible { outline: 2px solid var(--red-500); outline-offset: 2px; }
.step .more-hint {
  display: inline-block; margin-top: 8px; font-size: 11px; color: var(--red-600);
  opacity: 0; transition: opacity .25s;
}
.step:hover .more-hint { opacity: 1; }

.modal-mask {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(8, 22, 48, .62); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-mask.open { display: flex; }
.modal {
  background: #fff; border-radius: 18px; width: 100%; max-width: 1060px;
  max-height: 88vh; overflow: auto; position: relative;
  box-shadow: 0 30px 90px rgba(0,0,0,.4);
  animation: modalIn .3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(24px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-close {
  position: absolute; top: 16px; right: 16px; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.16); color: #fff; font-size: 22px; line-height: 1;
  transition: all .2s;
}
.modal-close:hover { background: var(--red-600); transform: rotate(90deg); }
.modal-head {
  background: linear-gradient(115deg, var(--blue-900), var(--blue-800) 65%, var(--red-700) 140%);
  color: #fff; padding: 30px 36px 24px; border-radius: 18px 18px 0 0;
}
.modal-head .m-no {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: 2px;
  background: rgba(209,52,44,.9); border-radius: 6px; padding: 4px 12px;
}
.modal-head h3 { font-size: 27px; margin: 12px 0 4px; }
.modal-head p { color: rgba(255,255,255,.8); font-size: 14.5px; }
.modal-body { display: grid; grid-template-columns: 1fr 1.15fr; gap: 0; }
.m-left { padding: 28px 30px; border-right: 1px solid var(--line); }
.m-left h4, .m-right h4 { font-size: 15px; color: var(--blue-900); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.m-left h4::before, .m-right h4::before { content: ""; width: 4px; height: 16px; background: var(--red-600); border-radius: 2px; }
.m-check { display: grid; gap: 11px; }
.m-check li { display: flex; gap: 10px; font-size: 14px; color: var(--ink); line-height: 1.6; }
.m-check li i {
  flex-shrink: 0; width: 19px; height: 19px; margin-top: 3px; border-radius: 50%;
  background: var(--blue-100); color: var(--blue-800); font-style: normal;
  font-size: 11px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center;
}
.m-right { padding: 28px 30px; background: var(--bg); border-radius: 0 0 18px 0; }
.m-tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.m-tab {
  padding: 8px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
  background: #fff; border: 1.5px solid var(--line); color: var(--muted); cursor: pointer;
  transition: all .2s;
}
.m-tab:hover { border-color: var(--blue-600); color: var(--blue-700); }
.m-tab.active { background: var(--blue-800); border-color: var(--blue-800); color: #fff; }
.m-tab.warn.active { background: var(--red-600); border-color: var(--red-600); }
.m-videos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.video-card {
  background: #fff; border-radius: 12px; overflow: hidden; cursor: pointer;
  border: 1px solid var(--line); transition: all .25s;
}
.video-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.video-card .thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.video-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.video-card:hover .thumb img { transform: scale(1.06); }
.video-card .play {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(10, 42, 102, .28); transition: background .25s;
}
.video-card:hover .play { background: rgba(10, 42, 102, .12); }
.video-card .play b {
  width: 46px; height: 46px; border-radius: 50%; background: rgba(209,52,44,.94);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,.35);
}
.video-card .play b::after {
  content: ""; border-left: 15px solid #fff; border-top: 9px solid transparent; border-bottom: 9px solid transparent;
  margin-left: 4px;
}
.video-card .dur {
  position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.72); color: #fff;
  font-size: 11.5px; padding: 2px 8px; border-radius: 6px;
}
.video-card .v-meta { padding: 12px 14px; }
.video-card .v-meta b { font-size: 13.5px; color: var(--ink); font-weight: 600; line-height: 1.45; display: block; }
.video-card .v-meta span { font-size: 12px; color: var(--muted); }
.m-note { margin-top: 16px; font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.m-note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--red-600); flex-shrink: 0; }
.v-toast {
  position: fixed; left: 50%; bottom: 42px; transform: translateX(-50%) translateY(20px);
  background: var(--blue-900); color: #fff; padding: 13px 26px; border-radius: 999px;
  font-size: 14px; z-index: 300; opacity: 0; pointer-events: none;
  transition: all .3s; box-shadow: var(--shadow-lg);
}
.v-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 900px) {
  .modal-body { grid-template-columns: 1fr; }
  .m-left { border-right: none; border-bottom: 1px solid var(--line); }
  .m-videos { grid-template-columns: 1fr; }
}

/* ---------- 内页通用 ---------- */
.page-hero {
  background: linear-gradient(115deg, var(--blue-900) 0%, var(--blue-800) 55%, var(--red-700) 135%);
  color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 400px; height: 400px; border-radius: 50%; background: rgba(209,52,44,.18);
}
.page-hero .wrap { position: relative; z-index: 2; }
.breadcrumb { font-size: 13.5px; color: rgba(255,255,255,.65); margin-bottom: 14px; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-style: normal; margin: 0 8px; }
.page-hero h1 { font-size: 38px; font-weight: 800; letter-spacing: 1px; }
.page-hero .en { font-size: 13px; letter-spacing: 3px; color: #FFB4A8; font-weight: 600; margin-bottom: 8px; }
.page-hero p { margin-top: 12px; max-width: 760px; color: rgba(255,255,255,.85); font-size: 16px; }

/* 照片墙（带图注） */
.photo-wall { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.photo-item {
  background: #fff; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow); transition: all .25s;
}
.photo-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.photo-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.photo-item span { display: block; padding: 12px 16px; font-size: 14px; color: var(--blue-900); font-weight: 600; text-align: center; }

/* 双栏 */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.two-col.wide-left { grid-template-columns: 1.25fr 1fr; }

/* 子流程列表卡 */
.sub-flow {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.sub-flow h3 { font-size: 19px; color: var(--blue-900); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.sub-flow h3 .dot { width: 10px; height: 10px; border-radius: 3px; background: var(--red-600); }
.sub-flow ol { counter-reset: sf; display: grid; gap: 10px; }
.sub-flow ol li {
  counter-increment: sf; display: flex; gap: 12px; align-items: flex-start;
  font-size: 14.5px; color: var(--ink); padding: 10px 14px; border-radius: 10px; background: var(--bg);
}
.sub-flow ol li::before {
  content: counter(sf); flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  background: var(--blue-800); color: #fff; font-size: 12px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center; margin-top: 1px;
}
.sub-flow ol li em { font-style: normal; color: var(--red-600); font-weight: 600; }

/* 平台能力卡 */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.platform-card {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
  padding: 26px 24px; box-shadow: var(--shadow); transition: all .25s;
}
.platform-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--blue-600); }
.platform-card .pc-ic {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--blue-800), var(--blue-600));
  display: flex; align-items: center; justify-content: center;
}
.platform-card.red .pc-ic { background: linear-gradient(135deg, var(--red-700), var(--red-500)); }
.platform-card h4 { font-size: 17px; color: var(--blue-900); margin-bottom: 8px; }
.platform-card p { font-size: 13.5px; color: var(--muted); }
.platform-card ul { margin-top: 12px; display: grid; gap: 6px; }
.platform-card li { font-size: 13px; color: var(--ink); padding-left: 15px; position: relative; }
.platform-card li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 2px; background: var(--red-600); }

/* 分级展示卡 */
.tier-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tier-card { border-radius: var(--radius); padding: 28px 26px; color: #fff; position: relative; overflow: hidden; }
.tier-card.t1 { background: linear-gradient(140deg, #6b7c9e, #4a5b80); }
.tier-card.t2 { background: linear-gradient(140deg, var(--blue-800), var(--blue-600)); }
.tier-card.t3 { background: linear-gradient(140deg, var(--red-700), var(--red-500)); }
.tier-card .lv { font-size: 12px; letter-spacing: 2px; opacity: .8; }
.tier-card h4 { font-size: 20px; margin: 6px 0 12px; }
.tier-card ul { display: grid; gap: 8px; font-size: 13.5px; }
.tier-card li { padding-left: 16px; position: relative; opacity: .92; }
.tier-card li::before { content: "✓"; position: absolute; left: 0; font-weight: 700; }

/* 法规条目 */
.reg-list { display: grid; gap: 16px; }
.reg-item {
  background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--blue-800);
  border-radius: 12px; padding: 22px 26px; transition: all .25s;
}
.reg-item:hover { box-shadow: var(--shadow); border-left-color: var(--red-600); }
.reg-item .code { font-size: 13px; font-weight: 700; color: var(--red-600); letter-spacing: .5px; }
.reg-item h4 { font-size: 16.5px; color: var(--blue-900); margin: 6px 0 6px; }
.reg-item p { font-size: 13.5px; color: var(--muted); }
.reg-item .official {
  margin-top: 10px; font-size: 13px; background: var(--blue-50); border-radius: 8px;
  padding: 10px 14px; color: var(--blue-900); border: 1px dashed var(--blue-600);
}
.reg-item .official b { color: var(--red-700); }

/* 原因标签云 */
.cause-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.cause-cloud span {
  background: #fff; border: 1.5px solid var(--line); border-radius: 999px;
  padding: 9px 18px; font-size: 14px; color: var(--ink); transition: all .2s;
}
.cause-cloud span:hover { border-color: var(--red-600); color: var(--red-600); background: var(--red-100); }

/* 与逻辑链条 */
.logic-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.logic-node {
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 16px;
  text-align: center; position: relative; transition: all .25s;
}
.logic-node:hover { border-color: var(--red-500); transform: translateY(-4px); box-shadow: var(--shadow); }
.logic-node:not(:last-child)::after {
  content: "×"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
  font-size: 18px; color: var(--red-600); font-weight: 800; z-index: 2;
}
.logic-node i {
  display: inline-flex; width: 36px; height: 36px; border-radius: 50%; margin-bottom: 10px;
  background: var(--blue-800); color: #fff; font-style: normal; font-weight: 700;
  align-items: center; justify-content: center;
}
.logic-node b { display: block; font-size: 15px; color: var(--blue-900); }
.logic-node span { font-size: 12px; color: var(--muted); display: block; margin-top: 5px; line-height: 1.5; }
.logic-note { text-align: center; margin-top: 20px; font-size: 14px; color: var(--muted); }
.logic-note b { color: var(--red-600); }

/* 案例库 */
.case-lib { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.case-full {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 26px; transition: all .25s; position: relative;
}
.case-full:hover { box-shadow: var(--shadow-lg); border-color: var(--red-500); }
.case-full .no {
  position: absolute; top: 22px; right: 24px; font-size: 26px; font-weight: 800;
  color: var(--blue-100); line-height: 1;
}
.case-full .cat {
  display: inline-block; font-size: 12px; font-weight: 600; border-radius: 999px;
  padding: 3px 12px; background: var(--red-100); color: var(--red-700);
}
.case-full .cat.blue { background: var(--blue-100); color: var(--blue-800); }
.case-full h4 { font-size: 16.5px; color: var(--blue-900); margin: 10px 0 8px; line-height: 1.5; padding-right: 50px; }
.case-full p { font-size: 13.5px; color: var(--muted); }
.case-full .lesson { margin-top: 12px; font-size: 13px; color: var(--blue-900); background: var(--blue-50); border-radius: 8px; padding: 10px 14px; }
.case-full .lesson b { color: var(--red-600); }

/* 资质墙 */
.cert-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert-item {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 22px 18px; text-align: center; transition: all .25s;
}
.cert-item:hover { border-color: var(--blue-600); transform: translateY(-4px); box-shadow: var(--shadow); }
.cert-item .c-ic {
  width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 50%;
  background: var(--red-100); display: flex; align-items: center; justify-content: center;
}
.cert-item b { display: block; font-size: 14.5px; color: var(--blue-900); line-height: 1.5; }
.cert-item span { font-size: 12px; color: var(--muted); display: block; margin-top: 4px; }

/* 业绩分类 */
.perf-cat { margin-bottom: 48px; }
.perf-cat h3 {
  font-size: 20px; color: var(--blue-900); margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
}
.perf-cat h3::before { content: ""; width: 5px; height: 20px; background: linear-gradient(var(--red-600), var(--blue-800)); border-radius: 3px; }
.perf-cat h3 .cnt { font-size: 13px; color: var(--muted); font-weight: 400; }
.perf-names { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.perf-name {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; font-size: 14.5px; color: var(--ink); font-weight: 500;
  display: flex; align-items: center; gap: 10px; transition: all .2s;
}
.perf-name:hover { border-color: var(--red-500); color: var(--red-600); }
.perf-name::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--blue-800); flex-shrink: 0; }

/* 联系地图 */
.map-box {
  border-radius: var(--radius); border: 1px solid var(--line);
  background: #fff; overflow: hidden; box-shadow: var(--shadow);
}
.map-frame { position: relative; height: 320px; background: var(--blue-50); }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.map-frame iframe[hidden] { display: none; }
.map-status { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; color: var(--muted); font-size: 14px; }
.map-status[hidden] { display: none; }
.map-caption { padding: 16px 20px; color: var(--blue-900); font-size: 14px; overflow-wrap: anywhere; }

/* 文献检索框 */
.search-band {
  background: linear-gradient(115deg, var(--blue-900), var(--blue-800) 70%, var(--red-700) 140%);
  border-radius: 18px; padding: 42px 46px; color: #fff;
}
.search-band h3 { font-size: 24px; margin-bottom: 8px; }
.search-band p { color: rgba(255,255,255,.8); font-size: 14.5px; margin-bottom: 20px; }
.search-row { display: flex; gap: 12px; max-width: 640px; }
.search-row input {
  flex: 1; border-radius: 12px; border: 1px solid rgba(255,255,255,.3);
  background: rgba(255,255,255,.1); color: #fff; padding: 13px 18px; font-size: 15px; outline: none;
}
.search-row input::placeholder { color: rgba(255,255,255,.5); }
.search-row input:focus { border-color: #FFB4A8; background: rgba(255,255,255,.16); }
.search-tags { margin-top: 16px; display: flex; gap: 10px; flex-wrap: wrap; }
.search-tags span {
  font-size: 12.5px; padding: 5px 14px; border-radius: 999px; cursor: pointer;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); transition: all .2s;
}
.search-tags span:hover { background: rgba(209,52,44,.8); }

@media (max-width: 1080px) {
  .photo-wall, .platform-grid, .tier-cards { grid-template-columns: repeat(2, 1fr); }
  .two-col, .two-col.wide-left, .case-lib { grid-template-columns: 1fr; }
  .logic-flow { grid-template-columns: repeat(2, 1fr); }
  .logic-node::after { display: none; }
  .cert-wall, .perf-names { grid-template-columns: repeat(2, 1fr); }
  .page-hero h1 { font-size: 30px; }
}
@media (max-width: 640px) {
  .photo-wall, .platform-grid, .tier-cards, .logic-flow, .cert-wall, .perf-names { grid-template-columns: 1fr; }
}

/* ---------- 后台管理 admin ---------- */
.admin-gate {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, var(--blue-900), var(--blue-800) 60%, var(--red-700) 140%);
}
.gate-card {
  background: #fff; border-radius: 18px; padding: 44px 40px; width: 400px; max-width: 92vw;
  box-shadow: 0 30px 80px rgba(0,0,0,.35); text-align: center;
}
.gate-card h1 { font-size: 22px; color: var(--blue-900); margin: 14px 0 6px; }
.gate-card p { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
.gate-card input {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 10px;
  font-size: 15px; outline: none; margin-bottom: 14px; letter-spacing: 1px;
}
.gate-card input:focus { border-color: var(--blue-600); }
.gate-card .btn { width: 100%; justify-content: center; }
.gate-err { color: var(--red-600); font-size: 13px; min-height: 20px; margin-top: 10px; }

.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; background: var(--bg); }
.admin-side {
  background: var(--blue-900); color: #fff; padding: 26px 0; position: sticky; top: 0; height: 100vh; overflow: auto;
}
.admin-side .logo { padding: 0 22px 22px; border-bottom: 1px solid rgba(255,255,255,.14); margin-bottom: 14px; }
.admin-side .logo b { font-size: 17px; display: block; }
.admin-side .logo span { font-size: 12px; color: rgba(255,255,255,.55); }
.admin-side a {
  display: flex; align-items: center; gap: 10px; padding: 12px 22px; font-size: 14.5px;
  color: rgba(255,255,255,.82); border-left: 3px solid transparent; cursor: pointer; transition: all .2s;
}
.admin-side a:hover { background: rgba(255,255,255,.08); color: #fff; }
.admin-side a.active { background: rgba(209,52,44,.25); border-left-color: var(--red-500); color: #fff; font-weight: 600; }
.admin-side .cnt { margin-left: auto; font-size: 11.5px; background: rgba(255,255,255,.15); border-radius: 999px; padding: 1px 8px; }
.admin-main { padding: 28px 32px 60px; }
.admin-topbar {
  display: flex; align-items: center; gap: 14px; margin-bottom: 20px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 20px;
}
.admin-topbar h2 { font-size: 19px; color: var(--blue-900); margin-right: auto; }
.admin-topbar .btn { padding: 9px 18px; font-size: 13.5px; }
.draft-flag { font-size: 12.5px; color: var(--red-700); background: var(--red-100); border-radius: 999px; padding: 4px 12px; display: none; }
.draft-flag.show { display: inline-block; }

.mode-banner {
  background: #FFF7E6; border: 1px solid #F5C97B; border-radius: 12px;
  padding: 14px 18px; font-size: 13.5px; color: #7A5B17; margin-bottom: 22px; line-height: 1.7;
}
.mode-banner b { color: #9C4A08; }

.admin-item {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 18px 20px; margin-bottom: 14px;
}
.admin-item .ai-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.admin-item .ai-head b { font-size: 15px; color: var(--blue-900); }
.admin-item .ai-head .idx { font-size: 12px; color: var(--muted); background: var(--bg); border-radius: 6px; padding: 2px 8px; }
.admin-item .ai-ops { margin-left: auto; display: flex; gap: 6px; }
.ai-ops button {
  border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer;
  padding: 5px 10px; font-size: 12.5px; color: var(--muted); transition: all .15s;
}
.ai-ops button:hover { border-color: var(--blue-600); color: var(--blue-700); }
.ai-ops button.del:hover { border-color: var(--red-600); color: var(--red-600); }
.admin-item .fields { display: grid; gap: 10px; }
.admin-item label { font-size: 12.5px; color: var(--muted); display: block; margin-bottom: 4px; }
.admin-item input[type=text], .admin-item textarea, .admin-item select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 8px; padding: 9px 12px;
  font-size: 14px; font-family: var(--font); outline: none; background: #fff;
}
.admin-item input:focus, .admin-item textarea:focus, .admin-item select:focus { border-color: var(--blue-600); }
.admin-item textarea { min-height: 64px; resize: vertical; }
.fields .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fields .row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.img-preview { width: 64px; height: 64px; border-radius: 8px; object-fit: cover; border: 1px solid var(--line); }
.img-field { display: flex; gap: 10px; align-items: center; }
.img-field select { flex: 1; }
.add-btn {
  width: 100%; border: 2px dashed var(--line); border-radius: 12px; background: none;
  padding: 16px; font-size: 14.5px; color: var(--muted); cursor: pointer; transition: all .2s;
}
.add-btn:hover { border-color: var(--red-500); color: var(--red-600); background: #fff; }

.toast-ok {
  position: fixed; right: 26px; bottom: 26px; background: var(--blue-900); color: #fff;
  padding: 13px 24px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(12px); transition: all .3s; z-index: 400; pointer-events: none;
}
.toast-ok.show { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { position: static; height: auto; }
  .fields .row2, .fields .row3 { grid-template-columns: 1fr; }
}

/* ---------- 全流程模块手风琴（flow） ---------- */
.mod {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); margin-bottom: 18px; overflow: hidden; scroll-margin-top: 88px;
}
.mod summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 14px;
  padding: 18px 20px; user-select: none; -webkit-tap-highlight-color: transparent;
}
.mod summary::-webkit-details-marker { display: none; }
.mod-no {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; height: 34px; padding: 0 8px; border-radius: 9px;
  color: #fff; font-weight: 700; font-size: 15px; flex-shrink: 0;
}
.mod-title { font-size: 18px; font-weight: 700; color: var(--blue-900); flex: 1; }
.mod-arrow { width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .2s; margin: 0 5px 5px 0; flex-shrink: 0; }
.mod[open] > summary .mod-arrow { transform: rotate(225deg); margin-bottom: 0; margin-top: 5px; }
.mod summary:hover { background: #f8fafc; }
.mod-body { padding: 4px 20px 20px; border-top: 1px dashed var(--line); }
.mod-sub { margin-top: 16px; }
.mod-sub h4 { font-size: 15px; color: var(--blue-800); margin: 0 0 10px; padding-left: 10px; border-left: 4px solid var(--red-500); }
.node-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.node-list.cols { grid-template-columns: repeat(3, 1fr); }
.node-list li {
  background: #f7f9fb; border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px;
}
.node-list li b { display: block; font-size: 14px; color: var(--blue-900); margin-bottom: 3px; }
.node-list li span { font-size: 12.5px; color: var(--muted); line-height: 1.6; display: block; }
.lv3 { margin-top: 8px; }
.lv3 summary {
  all: unset; cursor: pointer; display: block; font-size: 12px; font-weight: 600;
  color: var(--red-600); padding: 4px 0 0;
}
.lv3 summary::before { content: "▸ "; }
.lv3[open] summary::before { content: "▾ "; }
.lv3 ul { margin: 6px 0 0; padding: 0 0 0 4px; list-style: none; }
.lv3 li { background: none; border: none; padding: 2px 0; font-size: 12.5px; color: var(--muted); }
.lv3 li::before { content: "· "; color: var(--red-500); }
.sun-pill, .tool-pill {
  display: inline-flex; align-items: center; gap: 6px; margin: 16px 10px 0 0;
  font-size: 12.5px; font-weight: 600; border-radius: 999px; padding: 6px 14px;
  text-decoration: none; transition: all .2s;
}
.sun-pill { color: var(--red-600); background: var(--red-100); }
.sun-pill:hover { background: var(--red-600); color: #fff; }
.tool-pill { color: #fff; background: var(--blue-800); }
.tool-pill:hover { background: var(--red-600); }
.mod-note { font-size: 12.5px; color: var(--muted); text-align: center; margin-top: 26px; line-height: 1.8; }

@media (max-width: 1080px) {
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
  .node-list, .node-list.cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .biz-grid { grid-template-columns: 1fr; }
  .node-list, .node-list.cols { grid-template-columns: 1fr; }
  .mod summary { padding: 15px 14px; gap: 10px; }
  .mod-body { padding: 2px 14px 16px; }
  .mod-title { font-size: 16px; }
  .page-hero h1 { font-size: 26px; }
  .page-hero .wrap { padding: 0 18px; }
  .sun-pill, .tool-pill { display: flex; justify-content: center; margin-right: 0; }
}

/* ---------- 业务范围总览（flow 顶部） ---------- */
.ov-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ov-card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 15px; box-shadow: var(--shadow); position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 5px; text-decoration: none; transition: all .22s;
}
.ov-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--mc); }
.ov-no {
  display: inline-flex; align-self: flex-start; align-items: center; justify-content: center;
  min-width: 34px; height: 22px; padding: 0 9px; border-radius: 999px;
  background: var(--mc); color: #fff; font-size: 12px; font-weight: 700;
}
.ov-card b { font-size: 15px; color: var(--blue-900); line-height: 1.4; }
.ov-sub { font-size: 12px; color: var(--muted); }
.ov-card:hover { transform: translateY(-4px); border-color: var(--mc); }
@media (max-width: 1080px) { .ov-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .ov-grid { grid-template-columns: 1fr 1fr; gap: 10px; } .ov-card { padding: 12px 11px; } .ov-card b { font-size: 13.5px; } }

/* ---------- 业务范围模块（index） ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.biz-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 20px 18px; box-shadow: var(--shadow); position: relative;
  display: flex; flex-direction: column; transition: all .25s; overflow: hidden;
}
.biz-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--mc); }
.biz-no {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 26px; padding: 0 10px; border-radius: 999px;
  background: var(--mc); color: #fff; font-size: 13px; font-weight: 700; margin-bottom: 12px;
}
.biz-card h3 { font-size: 17px; color: var(--blue-900); margin: 0 0 8px; }
.biz-card p { font-size: 13px; color: var(--muted); line-height: 1.7; flex: 1; }
.biz-more { font-size: 13px; font-weight: 600; color: var(--mc); margin-top: 12px; }
.biz-card:hover { transform: translateY(-5px); border-color: var(--mc); box-shadow: var(--shadow-lg); }
@media (max-width: 1080px) { .biz-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .biz-grid { grid-template-columns: 1fr; } }