/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: #1e293b;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.3; font-weight: 700; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select { font-family: inherit; }

/* ===== 防遮罩兜底：装饰性伪元素一律不拦截点击 =====
   背景装饰层若用 ::after + inset:0 会绘制在内容之上，挡住表单输入。
   这里统一兜底，任何区块的装饰层都不再接收鼠标事件。 */
.hero::before, .hero::after,
.hero-bg::before, .hero-bg::after,
.section::before, .section::after,
.section-buy::before, .section-buy::after,
.section-dark::before, .section-dark::after,
.buy-card::before, .buy-card::after,
.hero-card::before, .hero-card::after,
.tryout::before, .tryout::after,
.cta-final::before, .cta-final::after {
  pointer-events: none !important;
}
/* 表单控件始终可交互 */
input, select, textarea { position: relative; z-index: 1; }

:root {
  --blue: #1e5eff;
  --blue-dark: #1240c4;
  --blue-light: #e8efff;
  --ink: #0f1b33;
  --ink-2: #1e293b;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --line: #e5eaf3;
  --bg-gray: #f5f7fb;
  --red: #e8453c;
  --green: #10b981;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15,27,51,.06), 0 2px 8px rgba(15,27,51,.05);
  --shadow: 0 4px 12px rgba(15,27,51,.07), 0 12px 32px rgba(15,27,51,.07);
  --shadow-lg: 0 12px 28px rgba(15,27,51,.1), 0 32px 64px rgba(15,27,51,.1);
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 900px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: 10px; font-weight: 600; font-size: 15px;
  padding: 11px 22px; transition: .22s cubic-bezier(.4,0,.2,1);
  white-space: nowrap; cursor: pointer;
}
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 4px 14px rgba(30,94,255,.3); }
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(30,94,255,.38); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.22); }
.btn-line { background: #fff; color: var(--blue); border: 1.5px solid var(--blue); }
.btn-line:hover { background: var(--blue); color: #fff; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-block { width: 100%; }

/* ===== 顶部通栏 ===== */
.topbar { background: var(--ink); color: #cbd5e1; font-size: 13px; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 16px; }
.topbar-msg { opacity: .9; }
.topbar-right { display: flex; align-items: center; gap: 20px; flex-shrink: 0; }
.topbar-tel { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-weight: 600; }
.topbar-tel:hover { color: #93b4ff; }
.topbar-wx { cursor: pointer; color: #cbd5e1; }
.topbar-wx:hover { color: #93b4ff; }

/* ===== 导航 ===== */
.nav {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid transparent;
  transition: .25s;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 16px rgba(15,27,51,.06); }
.nav-in { display: flex; align-items: center; height: 70px; gap: 30px; }
.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 11px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue) 0%, #4d7dff 100%);
  color: #fff; font-weight: 800; font-size: 16px; letter-spacing: -.5px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(30,94,255,.28);
}
.logo-mark.big { width: 62px; height: 62px; font-size: 21px; border-radius: 16px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text b { font-size: 16px; color: var(--ink); letter-spacing: -.2px; }
.logo-text i { font-size: 11.5px; color: var(--gray); font-style: normal; letter-spacing: .3px; }
.menu { display: flex; gap: 0; margin-left: auto; }
.menu a {
  padding: 8px 9px; border-radius: 8px; font-size: 14px; color: #475569;
  font-weight: 500; transition: .18s; position: relative; white-space: nowrap;
}
.menu a:hover { color: var(--blue); background: var(--blue-light); }
.menu a.active { color: var(--blue); font-weight: 600; }
.menu a.menu-city {
  color: var(--red); font-weight: 600; border: 1.5px solid #ffd5d1;
  background: #fff7f6; padding: 7px 9px; margin-left: 4px;
}
.menu a.menu-city:hover { background: var(--red); color: #fff; border-color: var(--red); }
.city-bar {
  background: #fff7f6; border-bottom: 1px solid #ffe3e0; font-size: 13px;
}
.city-bar-in { display: flex; align-items: center; justify-content: center; gap: 8px; height: 36px; color: #7a4a46; }
.city-bar a { color: var(--red); font-weight: 600; }
.city-bar a:hover { text-decoration: underline; }
.nav-cta { flex-shrink: 0; }
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }

/* ===== 首屏 ===== */
.hero { position: relative; overflow: hidden; background: linear-gradient(160deg, #0b1c46 0%, #123a9e 48%, #1e5eff 100%); }
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(99,155,255,.45), transparent 42%),
    radial-gradient(circle at 12% 82%, rgba(30,94,255,.5), transparent 46%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 30%, transparent 100%);
}
.hero-in {
  position: relative; display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 56px; align-items: center; padding-top: 72px; padding-bottom: 96px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: #d3e2ff;
  background: rgba(255,255,255,.11); border: 1px solid rgba(255,255,255,.2);
  padding: 7px 15px; border-radius: 100px; margin-bottom: 22px;
  backdrop-filter: blur(6px);
}
.hero h1 { font-size: 54px; color: #fff; letter-spacing: -1.5px; line-height: 1.16; margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: #8db4ff; position: relative; }
.hero h1 em::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
  background: rgba(141,180,255,.28); border-radius: 4px; z-index: -1;
}
.hero-sub { font-size: 16.5px; color: #c3d2ee; max-width: 560px; line-height: 1.85; margin-bottom: 32px; }
.hero-sub b { color: #fff; font-weight: 600; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 42px; flex-wrap: wrap; }
.hero-stats > div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 30px; color: #fff; font-weight: 800; letter-spacing: -.5px; line-height: 1.1; }
.hero-stats b span { font-size: 16px; font-weight: 600; color: #8db4ff; margin-left: 2px; }
.hero-stats i { font-style: normal; font-size: 13px; color: #93a8cc; margin-top: 5px; }

/* 首屏表单卡片 */
.hero-card {
  background: #fff; border-radius: 18px; padding: 28px;
  box-shadow: 0 24px 60px rgba(4,16,48,.4); border: 1px solid rgba(255,255,255,.6);
}
.hc-head { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.hc-form .field, .bc-form .field { margin-bottom: 15px; }
.field label { display: block; font-size: 13px; color: var(--gray); margin-bottom: 6px; font-weight: 500; }
.field input, .field select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--line); border-radius: 9px;
  font-size: 15px; color: var(--ink-2); background: #fbfcfe; transition: .18s; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3.5px rgba(30,94,255,.1); }
.field input::placeholder { color: #a8b4c6; }
.hc-form .btn { margin-top: 6px; }
.hc-tip { font-size: 12.5px; color: var(--gray-light); text-align: center; margin-top: 12px; line-height: 1.6; }
.hero-wave { position: absolute; bottom: -1px; left: 0; right: 0; height: 70px; pointer-events: none;
  background: linear-gradient(to bottom right, transparent 49.6%, #fff 50%);
  clip-path: polygon(0 100%, 0 62%, 100% 0, 100% 100%); }

/* ===== 信任条 ===== */
.trust { background: #fff; padding: 26px 0; border-bottom: 1px solid var(--line); }
.trust-in { display: flex; align-items: center; gap: 34px; flex-wrap: wrap; }
.trust-label { font-size: 13px; color: var(--gray-light); letter-spacing: 1px; font-weight: 600; flex-shrink: 0; padding-right: 30px; border-right: 1px solid var(--line); }
.trust-items { display: flex; gap: 46px; flex-wrap: wrap; align-items: center; }
.trust-item { display: flex; flex-direction: column; }
.trust-item b { font-size: 15.5px; color: var(--ink); font-weight: 700; }
.trust-item i { font-style: normal; font-size: 12px; color: var(--gray-light); margin-top: 1px; }

/* ===== 通用区块 ===== */
.section { padding: 84px 0; }
.section-gray { background: var(--bg-gray); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.sec-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 2.4px;
  color: var(--blue); background: var(--blue-light); padding: 5px 14px; border-radius: 100px; margin-bottom: 16px;
}
.sec-tag.light { color: #a9c6ff; background: rgba(255,255,255,.12); }
.sec-head h2 { font-size: 36px; color: var(--ink); letter-spacing: -1px; margin-bottom: 14px; }
.sec-head h2 em { font-style: normal; color: var(--blue); }
.sec-head p { font-size: 16px; color: var(--gray); }
.sec-head.light h2 { color: #fff; }
.sec-head.light h2 em { color: #8db4ff; }
.sec-head.light p { color: #a3b4d4; }

/* ===== 产品 ===== */
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.prod-card {
  background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: .28s cubic-bezier(.4,0,.2,1); display: flex; flex-direction: column;
}
.prod-card:hover { border-color: #c5d8ff; box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.prod-card-service { background: linear-gradient(165deg, #f8faff, #eef3ff); border-color: #d8e3ff; }
.prod-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 18px; }
.prod-ico { width: 50px; height: 50px; border-radius: 13px; display: flex; align-items: center; justify-content: center; }
.prod-ico svg { width: 26px; height: 26px; }
.ico-blue { background: #e8efff; color: #1e5eff; }
.ico-green { background: #e3f8f0; color: #059669; }
.ico-purple { background: #f1ebff; color: #7c3aed; }
.ico-orange { background: #fff2e3; color: #ea8a00; }
.ico-teal { background: #e2f5f7; color: #0d9488; }
.ico-red { background: #ffebe9; color: #e8453c; }
.prod-flag { font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 6px; background: var(--bg-gray); color: var(--gray); white-space: nowrap; }
.prod-flag.hot { background: #ffebe9; color: var(--red); }
.prod-flag.red { background: #fff0e0; color: #d97706; }
.prod-slogan {
  display: inline-block; font-size: 12.5px; font-weight: 600; color: var(--blue);
  background: var(--blue-light); padding: 3px 10px; border-radius: 6px; margin-bottom: 9px;
}
.prod-card-service .prod-slogan { color: var(--red); background: #ffebe9; }
.prod-card h3 { font-size: 21px; color: var(--ink); margin-bottom: 10px; }
.prod-desc { font-size: 14px; color: var(--gray); line-height: 1.75; margin-bottom: 18px; }
.prod-feat { flex: 1; margin-bottom: 22px; }
.prod-feat li { font-size: 13.5px; color: #475569; padding-left: 20px; position: relative; margin-bottom: 9px; line-height: 1.6; }
.prod-feat li::before {
  content: ''; position: absolute; left: 2px; top: 7px; width: 6px; height: 6px;
  border-radius: 50%; background: var(--blue); opacity: .55;
}
.prod-card-service .prod-feat li::before { background: var(--red); }
.prod-foot { display: flex; flex-direction: column; align-items: stretch; gap: 14px; padding-top: 20px; border-top: 1px solid var(--line); }
.prod-actions { display: flex; gap: 8px; }
.prod-actions .btn { flex: 1; padding: 10px 12px; font-size: 14px; }
.btn-try { background: var(--blue); color: #fff; box-shadow: 0 4px 14px rgba(30,94,255,.28); }
.btn-try:hover { background: var(--blue-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(30,94,255,.34); }
.link-ext { color: var(--blue); font-weight: 600; border-bottom: 1px dashed var(--blue); }
.link-ext:hover { border-bottom-style: solid; }
.bc-more { margin-top: 16px; font-size: 13px; color: var(--gray); line-height: 1.7; text-align: center; }
.tryout-links { margin-top: 14px; font-size: 13.5px; color: var(--gray); line-height: 2.1; }
.tryout-links .tl-link { color: var(--blue); font-weight: 600; margin-left: 12px; }
.tryout-links .tl-link:hover { border-bottom: 1px solid var(--blue); }
.prod-price { font-size: 13px; color: var(--gray); display: flex; align-items: baseline; gap: 2px; }
.prod-price b { font-size: 22px; color: var(--red); font-weight: 800; letter-spacing: -.5px; }

/* ===== 场景方案 ===== */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scene-card {
  background: #fff; border-radius: var(--radius); padding: 28px; border: 1.5px solid var(--line);
  cursor: pointer; transition: .26s; position: relative; overflow: hidden;
}
.scene-card::before {
  content: ''; position: absolute; left: 0; top: 0; width: 3px; height: 0; background: var(--blue); transition: .3s;
}
.scene-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: #d6e2ff; }
.scene-card:hover::before { height: 100%; }
.scene-ico { font-size: 30px; margin-bottom: 14px; line-height: 1; }
.scene-card h4 { font-size: 17.5px; color: var(--ink); margin-bottom: 9px; }
.scene-card p { font-size: 14px; color: var(--gray); line-height: 1.75; margin-bottom: 14px; }
.scene-link { font-size: 13.5px; color: var(--blue); font-weight: 600; }

/* ===== 能力矩阵 ===== */
.section-ability { background: #fff; }
.ability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ability-card {
  background: var(--bg-gray); border-radius: var(--radius); padding: 26px;
  border: 1.5px solid transparent; transition: .26s; position: relative; overflow: hidden;
}
.ability-card::after {
  content: ''; position: absolute; right: -30px; top: -30px; width: 90px; height: 90px;
  border-radius: 50%; background: var(--blue-light); opacity: .55; transition: .35s;
}
.ability-card:hover { background: #fff; border-color: #c5d8ff; box-shadow: var(--shadow); transform: translateY(-4px); }
.ability-card:hover::after { transform: scale(1.5); opacity: .3; }
.ab-ico { font-size: 28px; line-height: 1; margin-bottom: 14px; position: relative; z-index: 2; }
.ability-card h4 { font-size: 17px; color: var(--ink); margin-bottom: 9px; position: relative; z-index: 2; }
.ability-card p { font-size: 13.5px; color: var(--gray); line-height: 1.78; position: relative; z-index: 2; }

/* ===== 服务保障 ===== */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  background: #fff; border-radius: var(--radius); padding: 26px; border: 1.5px solid var(--line);
  transition: .26s;
}
.service-card:hover { border-color: #c5d8ff; box-shadow: var(--shadow); transform: translateY(-4px); }
.sv-ico {
  width: 46px; height: 46px; border-radius: 12px; background: var(--blue-light); color: var(--blue);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.sv-ico svg { width: 24px; height: 24px; }
.service-card h4 { font-size: 16.5px; color: var(--ink); margin-bottom: 9px; }
.service-card p { font-size: 13.5px; color: var(--gray); line-height: 1.78; }

/* ===== 免费体验 ===== */
.tryout {
  background: linear-gradient(120deg, #eef3ff 0%, #e3ecff 55%, #dbe7ff 100%);
  padding: 46px 0; border-top: 1px solid #dbe6ff; border-bottom: 1px solid #dbe6ff;
}
.tryout-in { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.tryout-text { flex: 1; min-width: 280px; }
.tryout-text h3 { font-size: 25px; color: var(--ink); margin-bottom: 10px; letter-spacing: -.4px; }
.tryout-text p { font-size: 14.5px; color: #475569; line-height: 1.8; }
.tryout-text b { color: var(--blue); font-weight: 700; }
.tryout-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.tryout-form input, .tryout-form select {
  padding: 13px 15px; border-radius: 10px; border: 1.5px solid #cfdcf7; background: #fff;
  font-size: 14.5px; color: var(--ink-2); outline: none; transition: .18s; min-width: 140px;
}
.tryout-form input:focus, .tryout-form select:focus { border-color: var(--blue); box-shadow: 0 0 0 3.5px rgba(30,94,255,.1); }

/* ===== 关于我们 ===== */
.about-in { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.about-left .sec-tag { margin-bottom: 14px; }
.about-left h2 { font-size: 33px; color: var(--ink); letter-spacing: -.8px; margin-bottom: 12px; }
.about-lead { font-size: 16px; color: var(--blue); font-weight: 600; margin-bottom: 20px; }
.about-left > p:not(.about-lead) { font-size: 15px; color: #475569; line-height: 1.9; margin-bottom: 16px; }
.about-left b { color: var(--ink); font-weight: 600; }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.ap { background: var(--bg-gray); border-radius: 11px; padding: 16px 18px; border-left: 3px solid var(--blue); }
.ap b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.ap span { font-size: 13px; color: var(--gray); line-height: 1.65; display: block; }

.about-visual { position: relative; height: 420px; display: flex; align-items: center; justify-content: center; }
.about-visual::before {
  content: ''; position: absolute; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, #e8efff 0%, transparent 70%);
}
.av-center {
  position: relative; z-index: 2; background: #fff; border-radius: 20px; padding: 30px 34px;
  box-shadow: var(--shadow-lg); display: flex; flex-direction: column; align-items: center; gap: 12px;
  border: 1px solid var(--line);
}
.av-center b { font-size: 18px; color: var(--ink); }
.av-center i { font-style: normal; font-size: 12.5px; color: var(--gray); }
.av-card {
  position: absolute; background: #fff; border-radius: 13px; padding: 14px 20px;
  box-shadow: var(--shadow); z-index: 3; border: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center; animation: float 5s ease-in-out infinite;
}
.av-card b { font-size: 20px; color: var(--blue); font-weight: 800; letter-spacing: -.5px; }
.av-card span { font-size: 12px; color: var(--gray); margin-top: 2px; }
.av-1 { top: 18px; left: 6px; animation-delay: 0s; }
.av-2 { top: 38px; right: 4px; animation-delay: .8s; }
.av-3 { bottom: 46px; left: 0; animation-delay: 1.6s; }
.av-4 { bottom: 18px; right: 12px; animation-delay: 2.4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ===== 荣誉资质 ===== */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.honor-card {
  margin: 0; background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1.5px solid var(--line); cursor: zoom-in; transition: .26s;
  display: flex; flex-direction: column;
}
.honor-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #c5d8ff; }
.honor-img { aspect-ratio: 3/4; overflow: hidden; background: #f1f4f9; }
.honor-img img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.honor-card:hover .honor-img img { transform: scale(1.05); }
.honor-card figcaption { padding: 15px 16px 17px; border-top: 2px solid var(--blue); }
.honor-card b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 6px; line-height: 1.4; }
.honor-card span { font-size: 12px; color: var(--gray); line-height: 1.65; display: block; }

/* 证书放大层 */
.honor-viewer {
  position: fixed; inset: 0; background: rgba(10,18,37,.86); z-index: 250;
  display: none; align-items: center; justify-content: center; padding: 30px; cursor: zoom-out;
}
.honor-viewer.show { display: flex; }
.honor-viewer img {
  max-width: min(760px, 92vw); max-height: 88vh; border-radius: 10px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5); animation: zoomIn .25s cubic-bezier(.34,1.3,.64,1);
}
@keyframes zoomIn { from { transform: scale(.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ===== 案例 ===== */
.section-dark {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 88% 12%, rgba(30,94,255,.35), transparent 45%),
    linear-gradient(170deg, #0c1a3d 0%, #12295e 100%);
}
.section-dark .wrap { position: relative; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius); padding: 26px; transition: .28s;
  backdrop-filter: blur(8px);
}
.case-card:hover { background: rgba(255,255,255,.1); border-color: rgba(141,180,255,.4); transform: translateY(-5px); }
.case-tag {
  display: inline-block; font-size: 12px; color: #8db4ff; background: rgba(141,180,255,.15);
  padding: 4px 11px; border-radius: 6px; margin-bottom: 14px; font-weight: 600;
}
.case-card h4 { font-size: 17px; color: #fff; margin-bottom: 14px; }
.case-prob, .case-sol { font-size: 13.5px; color: #a9bcd9; line-height: 1.75; margin-bottom: 10px; }
.case-prob b, .case-sol b { color: #d5e2f7; font-weight: 600; }
.case-sol b { color: #8db4ff; }
.case-res { display: flex; gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); }
.case-res > div { flex: 1; }
.case-res b { display: block; font-size: 12px; color: #7f92b3; font-weight: 500; margin-bottom: 3px; }
.case-res span { font-size: 14px; color: #7ee0b5; font-weight: 700; }
.case-more { text-align: center; margin-top: 46px; }
.case-more p { color: #a3b4d4; font-size: 15px; margin-bottom: 18px; }

/* ===== 流程 ===== */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow::before {
  content: ''; position: absolute; top: 27px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
}
.flow-item { position: relative; padding: 0 12px; text-align: center; }
.flow-num {
  display: flex; align-items: center; justify-content: center; width: 56px; height: 56px;
  border-radius: 50%; background: #fff; border: 2px solid var(--blue-light);
  color: var(--blue); font-weight: 800; font-size: 17px; margin: 0 auto 18px;
  position: relative; z-index: 2; transition: .3s;
}
.flow-item:hover .flow-num { background: var(--blue); color: #fff; border-color: var(--blue); transform: scale(1.08); box-shadow: 0 8px 20px rgba(30,94,255,.3); }
.flow-item h4 { font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.flow-item p { font-size: 13.5px; color: var(--gray); line-height: 1.7; }

/* ===== 购买区 ===== */
.section-buy {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 15% 85%, rgba(141,180,255,.25), transparent 45%),
    linear-gradient(150deg, #0b1c46, #14409f 60%, #1e5eff);
}
.buy-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.buy-left h2 { font-size: 36px; color: #fff; letter-spacing: -1px; margin: 8px 0 18px; line-height: 1.25; }
.buy-left h2 em { font-style: normal; color: #8db4ff; }
.buy-left > p { font-size: 15.5px; color: #c3d2ee; line-height: 1.85; margin-bottom: 28px; }
.buy-bonus { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.bb { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: #e2ebfa; }
.bb b {
  width: 22px; height: 22px; border-radius: 50%; background: rgba(126,224,181,.18);
  color: #7ee0b5; display: flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0; font-weight: 700;
}
.buy-card { background: #fff; border-radius: 18px; padding: 30px; box-shadow: 0 24px 60px rgba(4,16,48,.4); }
.bc-head { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 20px; }
.bc-products { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 22px; }
.bc-opt {
  display: flex; flex-direction: column; gap: 1px; padding: 11px 14px; border: 1.5px solid var(--line);
  border-radius: 10px; cursor: pointer; transition: .18s; position: relative;
}
.bc-opt input { position: absolute; opacity: 0; pointer-events: none; }
.bc-opt span { font-size: 14.5px; font-weight: 600; color: var(--ink-2); }
.bc-opt i { font-style: normal; font-size: 11.5px; color: var(--gray-light); }
.bc-opt:hover { border-color: #c5d8ff; }
.bc-opt:has(input:checked) { border-color: var(--blue); background: var(--blue-light); box-shadow: 0 0 0 3px rgba(30,94,255,.08); }
.bc-opt:has(input:checked) span { color: var(--blue); }

/* ===== FAQ ===== */
.faq-group { margin-bottom: 34px; }
.faq-gtitle {
  font-size: 17px; color: var(--ink); margin-bottom: 14px; padding-left: 14px;
  border-left: 3px solid var(--blue); line-height: 1.4;
}
.faq-item { border: 1px solid var(--line); border-radius: 11px; margin-bottom: 11px; background: #fff; transition: .22s; overflow: hidden; }
.faq-item:hover { border-color: #d3e0f7; }
.faq-item.open { border-color: #c5d8ff; box-shadow: 0 4px 16px rgba(30,94,255,.08); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 52px 18px 20px; font-size: 15.5px;
  font-weight: 600; color: var(--ink-2); position: relative; line-height: 1.6; transition: .18s;
}
.faq-q:hover { color: var(--blue); }
.faq-q i {
  position: absolute; right: 20px; top: 50%; width: 16px; height: 16px; transform: translateY(-50%);
}
.faq-q i::before, .faq-q i::after {
  content: ''; position: absolute; background: var(--blue); border-radius: 2px; transition: .28s;
}
.faq-q i::before { left: 0; top: 7px; width: 16px; height: 2px; }
.faq-q i::after { left: 7px; top: 0; width: 2px; height: 16px; }
.faq-item.open .faq-q i::after { transform: rotate(90deg); opacity: 0; }
.faq-item.open .faq-q { color: var(--blue); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .34s cubic-bezier(.4,0,.2,1); }
.faq-a-in, .faq-a { padding: 0 20px; }
.faq-a p { font-size: 14.5px; color: #475569; line-height: 1.9; margin-bottom: 12px; padding-right: 34px; }
.faq-a p:last-child { margin-bottom: 0; }
.faq-a p:first-child { padding-top: 0; }
.faq-item.open .faq-a { padding-bottom: 20px; }
.faq-a b { color: var(--ink); font-weight: 600; }
.faq-cta { text-align: center; margin-top: 46px; padding: 34px; background: var(--bg-gray); border-radius: var(--radius); }
.faq-cta p { font-size: 16px; color: var(--gray); margin-bottom: 18px; }
.faq-cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 底部 CTA ===== */
.cta-final { background: var(--ink); padding: 62px 0; }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 44px; flex-wrap: wrap; }
.cta-text h2 { font-size: 30px; color: #fff; letter-spacing: -.6px; margin-bottom: 10px; }
.cta-text p { font-size: 15.5px; color: #a3b4d4; }
.cta-form { display: flex; gap: 11px; flex-wrap: wrap; }
.cta-form input {
  padding: 13px 16px; border-radius: 10px; border: 1.5px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07); color: #fff; font-size: 14.5px; outline: none; transition: .18s;
  min-width: 170px;
}
.cta-form input::placeholder { color: #7f92b3; }
.cta-form input:focus { border-color: #8db4ff; background: rgba(255,255,255,.12); }

/* ===== 页脚 ===== */
.footer { background: #0a1225; color: #8b9bb5; padding-top: 54px; }
.footer-in { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text b { color: #fff; font-size: 15px; }
.footer-brand .logo-text i { color: #6b7d99; }
.footer-brand > p { font-size: 13.5px; line-height: 1.85; color: #7d8ea9; margin-bottom: 12px; }
.footer-slogan { color: #8db4ff !important; font-weight: 600; letter-spacing: 1.5px; font-size: 13px !important; }
.footer-col h5 { font-size: 15px; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-col > a { display: block; font-size: 13.5px; color: #8b9bb5; margin-bottom: 11px; transition: .18s; }
.footer-col > a:hover { color: #8db4ff; transform: translateX(3px); }
.f-contact { font-size: 13.5px; margin-bottom: 12px; line-height: 1.65; }
.f-contact b { color: #b9c6da; display: block; font-weight: 600; font-size: 13px; margin-bottom: 2px; }
.f-contact a { color: #8db4ff; font-weight: 600; font-size: 15px; }
.footer-col .btn-sm { margin-top: 8px; background: transparent; border-color: rgba(141,180,255,.5); color: #8db4ff; }
.footer-col .btn-sm:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0; }
.footer-bottom-in { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: #5f708a; }
.beian-link { color: inherit; text-decoration: none; }
.beian-link:hover { color: var(--blue); }

/* ===== 悬浮条 ===== */
.float-bar {
  position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 80;
  background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); overflow: hidden;
  border: 1px solid var(--line);
}
.fb-item {
  display: flex; flex-direction: column; align-items: center; gap: 5px; padding: 13px 12px;
  cursor: pointer; transition: .2s; border-bottom: 1px solid var(--line); width: 78px; position: relative;
}
.fb-item:last-child { border-bottom: none; }
.fb-item svg { width: 21px; height: 21px; color: var(--blue); }
.fb-item span { font-size: 11.5px; color: var(--gray); white-space: nowrap; }
.fb-item:hover { background: var(--blue-light); }
.fb-item:hover span { color: var(--blue); }
.fb-buy { background: var(--blue); }
.fb-buy svg, .fb-buy span { color: #fff; }
.fb-buy:hover { background: var(--blue-dark); }
.fb-buy:hover span { color: #fff; }
.fb-top:hover svg { color: var(--blue-dark); }

/* ===== 弹窗 & Toast ===== */
.modal {
  position: fixed; inset: 0; background: rgba(10,18,37,.6); backdrop-filter: blur(4px);
  z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: .25s;
}
.modal.show { opacity: 1; visibility: visible; }
.modal-box {
  background: #fff; border-radius: 18px; padding: 34px; max-width: 360px; width: 100%;
  text-align: center; position: relative; box-shadow: var(--shadow-lg);
  transform: scale(.94); transition: .28s cubic-bezier(.34,1.4,.64,1);
}
.modal.show .modal-box { transform: scale(1); }
.modal-close {
  position: absolute; top: 12px; right: 16px; font-size: 26px; color: var(--gray-light);
  line-height: 1; width: 32px; height: 32px; border-radius: 8px; transition: .18s;
}
.modal-close:hover { background: var(--bg-gray); color: var(--ink); }
.modal-box h4 { font-size: 18px; color: var(--ink); margin-bottom: 20px; }
.qr-box {
  width: 220px; margin: 0 auto 14px; border-radius: 14px; overflow: hidden;
  border: 1.5px solid var(--line); background: #fff; box-shadow: var(--shadow-sm);
}
.qr-img { width: 100%; height: auto; display: block; }
.qr-name { font-size: 15px; color: var(--ink); font-weight: 600; margin-bottom: 12px; }
.qr-name span { font-size: 12.5px; color: var(--gray-light); font-weight: 400; margin-left: 8px; }
.modal-tip { font-size: 13.5px; color: var(--gray); margin-bottom: 10px; }
.modal-tel { font-size: 13.5px; color: var(--gray-light); }
.modal-tel a { color: var(--blue); font-weight: 600; }

.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 130%);
  background: #fff; border-radius: 14px; padding: 18px 26px; box-shadow: var(--shadow-lg);
  z-index: 300; display: flex; flex-direction: column; gap: 4px; transition: .4s cubic-bezier(.34,1.3,.64,1);
  border-left: 4px solid var(--green); min-width: 300px;
}
.toast.show { transform: translate(-50%, 0); }
.toast b { font-size: 15px; color: var(--ink); }
.toast span { font-size: 13px; color: var(--gray); }

/* ===== 响应式 ===== */
@media (max-width: 1080px) {
  .hero h1 { font-size: 44px; }
  .prod-grid, .scene-grid, .case-grid, .ability-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .about-in, .buy-in { grid-template-columns: 1fr; gap: 44px; }
  .about-visual { height: 380px; }
  .footer-in { grid-template-columns: 1fr 1fr; gap: 34px; }
  .flow { grid-template-columns: repeat(3, 1fr); gap: 26px 0; }
  .flow::before { display: none; }
}
@media (max-width: 860px) {
  .topbar-msg { display: none; }
  .topbar-in { justify-content: center; }
  .menu {
    position: fixed; top: 108px; left: 0; right: 0; background: #fff; flex-direction: column;
    padding: 16px 24px 24px; box-shadow: var(--shadow-lg); margin: 0;
    transform: translateY(-140%); transition: .32s cubic-bezier(.4,0,.2,1); z-index: 99;
  }
  .menu.open { transform: translateY(0); }
  .menu a { padding: 13px 14px; font-size: 16px; }
  .burger { display: flex; margin-left: auto; }
  .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.open span:nth-child(2) { opacity: 0; }
  .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-cta { display: none; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; padding-top: 46px; padding-bottom: 70px; }
  .hero h1 { font-size: 36px; letter-spacing: -1px; }
  .hero-sub { font-size: 15.5px; }
  .hero-stats { gap: 26px; }
  .hero-stats b { font-size: 25px; }
  .section { padding: 60px 0; }
  .sec-head h2 { font-size: 28px; }
  .sec-head { margin-bottom: 38px; }
  .trust-label { display: none; }
  .trust-items { gap: 26px; justify-content: space-between; width: 100%; }
  .prod-grid, .scene-grid, .case-grid, .ability-grid, .service-grid { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .tryout-in { flex-direction: column; align-items: flex-start; }
  .tryout-form { width: 100%; flex-direction: column; align-items: stretch; }
  .tryout-form input, .tryout-form select, .tryout-form .btn { width: 100%; }
  .flow { grid-template-columns: 1fr 1fr; }
  .flow-item { text-align: left; display: flex; gap: 14px; align-items: flex-start; padding: 0; }
  .flow-num { margin: 0; width: 44px; height: 44px; font-size: 15px; flex-shrink: 0; }
  .flow-item h4 { margin-bottom: 5px; }
  .about-left h2 { font-size: 26px; }
  .about-points { grid-template-columns: 1fr; }
  .buy-left h2 { font-size: 28px; }
  .buy-bonus { grid-template-columns: 1fr; }
  .cta-in { flex-direction: column; align-items: flex-start; }
  .cta-form { width: 100%; flex-direction: column; }
  .cta-form input { width: 100%; }
  .footer-in { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom-in { flex-direction: column; gap: 8px; }
  .float-bar { right: 8px; border-radius: 50px; }
  .fb-item { width: 44px; padding: 10px 0; gap: 0; }
  .fb-item svg { width: 19px; height: 19px; }
  .fb-item span { display: none; }
  .bc-products { grid-template-columns: 1fr; }
  .faq-q { font-size: 15px; padding: 16px 46px 16px 16px; }
  .faq-a p { padding-right: 8px; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 18px; }
  .hero h1 { font-size: 30px; }
  .hero-stats { gap: 20px; }
  .hero-stats > div { min-width: 44%; }
  .flow { grid-template-columns: 1fr; }
  .logo-text i { display: none; }
  .prod-actions { flex-direction: column; }
}

/* ============================================================
   知识中心（首页区块 / 列表页共用）
   ============================================================ */
.kc-hero { background: linear-gradient(150deg, #0b1c46, #14409f 62%, #1e5eff); color: #fff; padding: 62px 0 68px; }
.kc-hero h1 { font-size: 36px; color: #fff; letter-spacing: -.5px; }
.kc-hero p { margin-top: 14px; font-size: 16px; color: rgba(255,255,255,.82); max-width: 720px; line-height: 1.85; }
.kc-hero .kc-stats { display: flex; gap: 40px; margin-top: 30px; flex-wrap: wrap; }
.kc-hero .kc-stats div b { display: block; font-size: 26px; color: #fff; }
.kc-hero .kc-stats div i { font-style: normal; font-size: 13px; color: rgba(255,255,255,.7); }
.kc-body { padding: 52px 0 70px; }
.kc-group { margin-bottom: 46px; }
.kc-group > h2 { font-size: 22px; color: var(--ink); margin-bottom: 8px; padding-left: 13px; border-left: 4px solid var(--blue); }
.kc-group > p { font-size: 14px; color: var(--gray-light); margin: 0 0 22px 17px; }
.kc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.kc-card {
  display: flex; flex-direction: column; padding: 26px 26px 22px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: .2s;
}
.kc-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-3px); }
.kc-card .kc-tag {
  align-self: flex-start; padding: 3px 11px; border-radius: 20px; background: var(--blue-light);
  color: var(--blue-dark); font-size: 12px; font-weight: 600; margin-bottom: 13px;
}
.kc-card h3 { font-size: 18.5px; color: var(--ink); line-height: 1.5; margin-bottom: 11px; }
.kc-card p { font-size: 14px; color: var(--gray); line-height: 1.8; flex: 1; margin-bottom: 16px; }
.kc-card .kc-more { font-size: 13.5px; color: var(--blue); font-weight: 600; }
.kc-nav {
  margin-bottom: 46px; padding: 24px 26px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.kc-nav h3 { font-size: 15px; color: var(--ink); margin-bottom: 14px; }
.kc-nav-list { display: flex; flex-wrap: wrap; gap: 10px; }
.kc-nav-list a {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 15px;
  border-radius: 20px; background: var(--bg-gray); border: 1px solid var(--line);
  font-size: 14px; color: var(--gray); transition: .18s;
}
.kc-nav-list a span { font-size: 12px; color: var(--gray-light); }
.kc-nav-list a:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }
.kc-nav-list a:hover span { color: var(--blue); }
.kc-nav-list a.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.kc-nav-list a.on span { color: rgba(255,255,255,.85); }
.kc-group-more { color: var(--blue); font-weight: 600; }
.kc-all { text-align: center; margin-top: 40px; }

@media (max-width: 1080px) {
  .kc-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .kc-hero h1 { font-size: 27px; }
  .kc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .kc-hero { padding: 44px 0 48px; }
  .kc-card { padding: 22px 20px 18px; }
}

/* ===== 中大型企业产品线（用友 U8+ / YonSuite / BIP） ===== */
.prod-hint { margin-top: 16px; font-size: 14.5px; color: var(--gray); }
.prod-hint a { color: var(--blue); font-weight: 700; border-bottom: 1px dashed var(--blue); }
.prod-hint a:hover { border-bottom-style: solid; }

.section-ent { background: linear-gradient(180deg, #f3f7ff 0%, #e8f0ff 100%); }
.section-ent .sec-head p { color: #4b5a75; }
.prod-card-ent { border-color: #cfdcff; }
.prod-card-ent:hover { border-color: #a9c2ff; }
.prod-card-ent .prod-slogan { color: #1746d4; background: #e4ecff; }
.prod-card-ent .prod-feat li::before { background: #1746d4; }
.prod-card-ent .prod-price { flex-wrap: wrap; line-height: 1.5; }
.ico-indigo { background: #e8ecff; color: #3b4fd8; }
.ico-cyan { background: #e0f4fb; color: #0891b2; }

/* 企业规模阶梯 */
.ent-ladder { margin-top: 36px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.ent-step { background: #fff; border: 1.5px solid var(--line); border-radius: 14px; padding: 20px 18px; transition: .26s; }
.ent-step:hover { border-color: #b9cdff; box-shadow: var(--shadow); transform: translateY(-3px); }
.ent-step .es-size {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .4px;
  color: var(--blue); background: var(--blue-light); border-radius: 6px; padding: 3px 9px; margin-bottom: 12px;
}
.ent-step b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 8px; }
.ent-step .es-desc { display: block; font-size: 13px; color: var(--gray); line-height: 1.7; }
.ent-note { margin-top: 22px; text-align: center; font-size: 14px; color: #4b5a75; line-height: 1.8; }
.ent-note a { color: var(--blue); font-weight: 700; border-bottom: 1px dashed var(--blue); }
.ent-note a:hover { border-bottom-style: solid; }

@media (max-width: 980px) {
  .ent-ladder { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .ent-ladder { grid-template-columns: 1fr; }
}
/* ===== 中大型企业产品线 END ===== */

/* ===== 产品线分组（小微 → 集团） ===== */
.ent-group { margin-bottom: 36px; }
.ent-group:last-of-type { margin-bottom: 40px; }
.eg-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.eg-badge {
  font-size: 12px; font-weight: 700; letter-spacing: .4px; border-radius: 6px; padding: 4px 10px;
  color: #0d9488; background: #e3f8f0;
}
.eg-badge.blue { color: var(--blue); background: var(--blue-light); }
.eg-head b { font-size: 19px; color: var(--ink); letter-spacing: -.3px; }
.eg-head i { font-style: normal; font-size: 13.5px; color: var(--gray); }

.eg-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.eg-card {
  display: flex; flex-direction: column; gap: 5px; padding: 18px 16px;
  background: #fff; border: 1.5px solid var(--line); border-radius: 14px; transition: .24s cubic-bezier(.4,0,.2,1);
}
.eg-card:hover { border-color: #a9c2ff; box-shadow: var(--shadow); transform: translateY(-3px); }
.eg-card b { font-size: 16.5px; color: var(--ink); }
.eg-card span { font-size: 12.5px; color: var(--gray); line-height: 1.55; min-height: 32px; }
.eg-card::after { content: '查看详情 →'; font-size: 12px; color: var(--blue); font-weight: 600; }
.eg-card:hover b { color: var(--blue); }

@media (max-width: 1080px) {
  .eg-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .eg-grid { grid-template-columns: repeat(2, 1fr); }
  .eg-head b { font-size: 17px; }
  .eg-head i { width: 100%; }
}
@media (max-width: 480px) {
  .eg-grid { grid-template-columns: 1fr; }
  .eg-card { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .eg-card span { min-height: 0; }
}
/* ===== 产品线分组 END ===== */

/* ===== 城市站切换（多城市站导航） ===== */
/* 城市页 logo 带城市后缀更宽，统一收紧菜单间距防溢出 */
body.city-page .menu a { padding: 8px 6px; font-size: 13px; }
.menu-city-wrap { position: relative; }
.city-drop {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 140px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 14px 34px rgba(15,30,70,.14); padding: 6px;
  display: none; flex-direction: column; z-index: 90;
}
.menu-city-wrap.open .city-drop,
.menu-city-wrap:hover .city-drop { display: flex; }
.city-drop a {
  display: block; padding: 9px 12px; border-radius: 8px; font-size: 13.5px;
  color: #475569; font-weight: 500; white-space: nowrap;
}
.city-drop a:hover { background: var(--blue-light); color: var(--blue); }
.city-drop a.cur { background: #fff7f6; color: var(--red); font-weight: 600; }
.city-drop a.cur::after { content: " · 当前"; font-size: 12px; opacity: .75; font-weight: 400; }

/* 页脚：服务城市站群 */
.footer-cities { border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0 4px; }
.footer-cities-in { display: flex; flex-wrap: wrap; align-items: center; gap: 7px 16px; font-size: 13.5px; }
.footer-cities-in b { color: #fff; font-size: 14px; font-weight: 600; }
.footer-cities-in a { color: #8b9bb5; transition: .18s; }
.footer-cities-in a:hover { color: #8db4ff; }
.footer-cities-in a.cur { color: #8db4ff; font-weight: 600; }

@media (max-width: 860px) {
  .menu-city-wrap { position: static; }
  .city-drop {
    position: static; box-shadow: none; border: none; background: transparent;
    padding: 0 0 0 12px; min-width: 0; margin-top: 0;
  }
  .menu .city-drop a { padding: 11px 12px; font-size: 15px; }
  .menu .city-drop a.cur::after { font-size: 12px; }
  .menu-city-wrap:hover .city-drop { display: none; }
  .menu-city-wrap.open .city-drop,
  .menu-city-wrap.open:hover .city-drop { display: flex; }
}