/* ============================================================
   罗梅罗通信 官网样式  v2.0
   品牌基因延续 v1：深蓝 #0B2545 / 蓝 #1E6FFF / 青 #22D3EE
   ============================================================ */
:root {
  --navy: #0B2545;
  --navy-2: #0A1E3D;
  --blue: #1E6FFF;
  --blue-light: #4D8DFF;
  --cyan: #22D3EE;
  --ink: #18191C;
  --text: #3D4A63;
  --muted: #5A6B85;
  --faint: #8A94A6;
  --bg-soft: #F6F9FE;
  --bg-blue: #EFF6FF;
  --line: #E5E9F0;
  --white: #FFFFFF;
  --orange: #FC5C2E;
  --green: #19B399;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 24px rgba(3, 23, 51, 0.06);
  --shadow-btn: 0 6px 18px rgba(30, 111, 255, 0.45);
  --shadow-mock: 0 20px 60px rgba(0, 26, 77, 0.35);
  --grad-btn: linear-gradient(135deg, #1E6FFF 0%, #22D3EE 100%);
  --grad-hero: linear-gradient(180deg, #051832 0%, #0A294F 55%, #123D73 100%);
  --grad-card-blue: linear-gradient(135deg, #1E6FFF 0%, #3A9EFF 100%);
  --grad-card-orange: linear-gradient(135deg, #FC5C2E 0%, #FF9E33 100%);
  --grad-card-green: linear-gradient(135deg, #19B399 0%, #33D9B2 100%);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --header-h: 76px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: var(--font); }

.container { max-width: 1312px; margin: 0 auto; padding: 0 64px; }
@media (max-width: 1024px) { .container { padding: 0 32px; } }
@media (max-width: 640px)  { .container { padding: 0 20px; } }

/* ============ 通用按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: var(--radius-sm); cursor: pointer; border: none;
  font-family: var(--font); transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad-btn); color: #fff; font-weight: 600;
  padding: 13px 36px; font-size: 16px; box-shadow: var(--shadow-btn);
}
.btn-primary:hover { box-shadow: 0 10px 24px rgba(30, 111, 255, 0.55); }
.btn-outline {
  background: transparent; color: #D6E6FF; font-weight: 500;
  padding: 13px 36px; font-size: 16px;
  border: 1px solid rgba(255,255,255,0.35);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.7); }
.btn-ghost-blue {
  background: #fff; color: var(--blue); font-weight: 600;
  padding: 12px 30px; font-size: 15px; border: 1px solid rgba(30,111,255,.35);
}
.btn-ghost-blue:hover { background: var(--bg-blue); }
.header-cta { padding: 10px 22px; font-size: 14px; font-weight: 600; background: var(--blue); color: #fff; }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(10, 26, 51, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-btn);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 700; flex-shrink: 0;
}
.logo-text b { display: block; font-size: 20px; color: var(--navy); line-height: 1.2; }
.logo-text span { font-size: 11px; color: var(--faint); }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav > .nav-item { position: relative; }
.main-nav a { font-size: 15px; color: var(--text); font-weight: 500; transition: color .2s; display: inline-flex; align-items: center; gap: 4px; padding: 28px 0; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.main-nav a.active { font-weight: 600; }
.caret { width: 10px; height: 10px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }

/* 下拉菜单 */
.dropdown {
  position: absolute; top: calc(100% - 8px); left: 50%; transform: translate(-50%, 8px);
  min-width: 240px; background: #fff; border-radius: 14px;
  box-shadow: 0 18px 44px rgba(3, 23, 51, 0.16); border: 1px solid var(--line);
  padding: 10px; opacity: 0; visibility: hidden; transition: all .22s ease;
}
.nav-item:hover .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-item:hover .caret { transform: rotate(180deg); }
.dropdown a { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; font-size: 14px; }
.dropdown a:hover { background: var(--bg-blue); }
.dropdown .d-ico {
  width: 36px; height: 36px; border-radius: 9px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.dropdown b { display: block; font-size: 14px; color: var(--navy); font-weight: 600; line-height: 1.35; }
.dropdown small { display: block; font-size: 12px; color: var(--faint); line-height: 1.4; }
.dd-1 { background: var(--bg-blue); color: var(--blue); }
.dd-2 { background: #FFF3EC; color: var(--orange); }
.dd-3 { background: #EBFBF5; color: var(--green); }
.dd-4 { background: #F3F0FF; color: #7C3AED; }

.header-right { display: flex; align-items: center; gap: 20px; }
.hotline { text-align: right; }
.hotline small { display: block; font-size: 12px; color: var(--faint); }
.hotline b { font-size: 17px; color: var(--blue); letter-spacing: .5px; }

/* 移动端抽屉 */
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; cursor: pointer; background: none; border: none; }
.nav-toggle span { height: 2px; background: var(--navy); border-radius: 2px; transition: all .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: #fff; z-index: 99; padding: 24px 28px; overflow-y: auto;
}
.mobile-drawer.open { display: block; }
.mobile-drawer a { display: block; padding: 16px 4px; font-size: 17px; color: var(--navy); font-weight: 500; border-bottom: 1px solid var(--line); }
.mobile-drawer .drawer-cta { margin-top: 28px; display: flex; flex-direction: column; gap: 14px; }
@media (max-width: 1024px) {
  .main-nav, .hotline, .header-cta { display: none; }
  .nav-toggle { display: flex; }
}

/* ============ 面包屑（内页） ============ */
.page-hero {
  background: var(--grad-hero); color: #fff;
  padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; top: -260px; left: 50%; transform: translateX(-50%);
  width: 760px; height: 760px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.14) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero .inner { position: relative; text-align: center; }
.page-hero h1 { font-size: 40px; font-weight: 700; letter-spacing: 1px; margin-bottom: 14px; }
.page-hero p { font-size: 16px; color: #A8C4EA; max-width: 760px; margin: 0 auto; }
.breadcrumb { position: relative; display: flex; justify-content: center; gap: 8px; margin-top: 22px; font-size: 13px; color: #7B93B8; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: #51688C; }
@media (max-width: 768px) { .page-hero h1 { font-size: 28px; } .page-hero { padding: 44px 0 40px; } }

/* ============ 区块通用 ============ */
.section { padding: 88px 0 96px; }
.section-head { text-align: center; margin-bottom: 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-blue); color: var(--blue);
  border-radius: 100px; padding: 6px 14px; font-size: 12px; font-weight: 600;
  margin-bottom: 14px;
}
.section-head h2 { font-size: 36px; color: var(--navy); font-weight: 700; margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--muted); max-width: 700px; margin: 0 auto; }
@media (max-width: 768px) {
  .section-head h2 { font-size: 26px; }
  .section { padding: 60px 0 68px; }
}

/* 滚动淡入 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ============ Hero（首页） ============ */
.hero { background: var(--grad-hero); padding: 80px 0 96px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -240px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 900px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.14) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 40px; position: relative; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(77, 141, 255, 0.16); border-radius: 100px; padding: 8px 18px;
  color: #9CC5FF; font-size: 13px; font-weight: 500;
}
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #22C55E; }
.hero h1 { font-size: 56px; font-weight: 700; color: #fff; line-height: 1.25; letter-spacing: 1px; }
.hero h1 .hl {
  background: linear-gradient(90deg, #4D8DFF, #22D3EE);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { font-size: 17px; color: #A8C4EA; max-width: 860px; line-height: 1.8; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-quick { display: flex; gap: 22px; flex-wrap: wrap; justify-content: center; font-size: 13px; color: #7B93B8; }
.hero-quick span { display: inline-flex; align-items: center; gap: 6px; }
.hero-quick svg { width: 15px; height: 15px; stroke: #4ADE80; fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 768px) { .hero h1 { font-size: 34px; } .hero-sub { font-size: 15px; } }

/* ============ Hero 产品模拟台 ============ */
.mockup-wrap { position: relative; width: 100%; max-width: 1060px; }
.mockup { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-mock); text-align: left; }
.mock-bar { display: flex; align-items: center; gap: 10px; background: #F1F5F9; padding: 0 16px; height: 44px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; }
.mock-bar i:nth-child(1) { background: #FF5F57; }
.mock-bar i:nth-child(2) { background: #FEBC2E; }
.mock-bar i:nth-child(3) { background: #28C840; }
.mock-bar span { font-size: 13px; color: #5A6B85; margin-left: 6px; }
.mock-body { display: flex; gap: 16px; padding: 20px; }
.mock-left { flex: 0 0 380px; display: flex; flex-direction: column; gap: 14px; }
.stat-row { display: flex; gap: 12px; }
.stat-card { flex: 1; background: var(--bg-blue); border-radius: 12px; padding: 14px; }
.stat-card.green { background: #F0FDF4; }
.stat-card small { font-size: 12px; color: var(--muted); display: block; }
.stat-card b { font-size: 24px; color: var(--blue); }
.stat-card.green b { color: #16A34A; }
.chart-card { flex: 1; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.chart-card h6 { font-size: 13px; color: var(--navy); font-weight: 600; }
.chart { flex: 1; display: flex; align-items: flex-end; gap: 12px; padding-top: 10px; }
.chart .bar { flex: 1; border-radius: 4px 4px 0 0; background: #DBEAFE; min-height: 8px; transition: transform .6s ease; transform-origin: bottom; }
.mockup:hover .chart .bar { transform: scaleY(1.06); }
.chart .bar:nth-child(2) { background: #BFDBFE; }
.chart .bar:nth-child(3) { background: #93C5FD; }
.chart .bar:nth-child(4) { background: #60A5FA; }
.chart .bar:nth-child(5) { background: #3B82F6; }
.chart .bar:nth-child(6), .chart .bar:nth-child(7) { background: linear-gradient(180deg, #1E6FFF, #22D3EE); }
.mock-right { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.live-header { display: flex; align-items: center; justify-content: space-between; }
.live-header .online { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--navy); }
.live-header .online::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #22C55E; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.switch { display: flex; gap: 4px; background: #F1F5F9; border-radius: 8px; padding: 4px; }
.switch button { border: none; background: transparent; padding: 6px 12px; border-radius: 6px; font-size: 12px; color: var(--muted); cursor: pointer; }
.switch button.on { background: var(--blue); color: #fff; font-weight: 500; }
.agent { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; flex-shrink: 0; }
.avatar.b1 { background: #DBEAFE; color: var(--blue); }
.avatar.b2 { background: #FEF3C7; color: #D97706; }
.avatar.b3 { background: #EDE9FE; color: #7C3AED; }
.agent-info { flex: 1; min-width: 0; }
.agent-info b { font-size: 13px; color: var(--navy); display: block; }
.agent-info span { font-size: 12px; color: var(--faint); }
.agent-tag { border-radius: 8px; padding: 8px 14px; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.tag-green { background: #DCFCE7; color: #16A34A; }
.tag-blue { background: #DBEAFE; color: var(--blue); }
.tag-pink { background: #FCE7F3; color: #DB2777; }
@media (max-width: 768px) {
  .mock-left { flex: 1 1 100%; }
  .mock-body { flex-direction: column; }
  .stat-card b { font-size: 18px; }
}

/* 信任数据条 */
.trust-bar { display: flex; align-items: center; justify-content: space-between; background: #fff; border-radius: 0 0 16px 16px; border-top: 1px solid var(--line); padding: 22px 40px; }
.trust-item { flex: 1; text-align: center; }
.trust-item b { display: block; font-size: 28px; color: var(--blue); }
.trust-item b i { font-style: normal; font-size: 17px; }
.trust-item span { font-size: 13px; color: var(--muted); }
.trust-div { width: 1px; height: 44px; background: var(--line); }
@media (max-width: 768px) {
  .trust-bar { flex-wrap: wrap; gap: 12px; }
  .trust-div { display: none; }
  .trust-item { flex: 1 1 40%; }
}

/* ============ 产品卡 ============ */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 32px 30px; box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(3, 23, 51, 0.12); }
.product-icon { width: 64px; height: 64px; border-radius: 18px; display: flex; align-items: center; justify-content: center; }
.product-icon svg { width: 32px; height: 32px; }
.pi-blue { background: var(--grad-card-blue); }
.pi-orange { background: var(--grad-card-orange); }
.pi-green { background: var(--grad-card-green); }
.pi-purple { background: linear-gradient(135deg, #7C3AED 0%, #A78BFA 100%); }
.product-body { padding-top: 24px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 22px; color: var(--navy); margin-bottom: 14px; }
.product-body > p { font-size: 14px; color: var(--muted); line-height: 1.7; flex: 1; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 20px; }
.tags span { background: var(--bg-blue); color: var(--blue); border-radius: 6px; padding: 6px 12px; font-size: 12px; font-weight: 500; }
.product-link { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-size: 14px; font-weight: 600; padding-top: 18px; }
.product-link::after { content: "→"; transition: transform .2s; }
.product-link:hover::after { transform: translateX(4px); }
@media (max-width: 900px) { .product-grid { grid-template-columns: 1fr; } }

/* ============ 功能模块（产品页 & 首页 AI 区） ============ */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px; transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(3,23,51,.1); }
.feature-card .f-ico {
  width: 48px; height: 48px; border-radius: 12px; background: var(--bg-blue);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.feature-card .f-ico svg { width: 24px; height: 24px; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-card h4 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }
@media (max-width: 1100px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .feature-grid { grid-template-columns: 1fr; } }

/* AI 区（深色） */
.ai-section { background: linear-gradient(180deg, #08203F 0%, #0A294F 100%); }
.ai-section .eyebrow { background: rgba(77,141,255,.15); color: #7FB3FF; }
.ai-section .section-head h2 { color: #fff; }
.ai-section .section-head p { color: #A8C4EA; }
.ai-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.ai-copy h3 { color: #fff; font-size: 26px; margin-bottom: 18px; }
.ai-copy p { color: #A8C4EA; font-size: 15px; line-height: 1.8; margin-bottom: 18px; }
.ai-list li { display: flex; gap: 12px; color: #D6E6FF; font-size: 14.5px; padding: 9px 0; align-items: flex-start; }
.ai-list svg { width: 20px; height: 20px; stroke: #4ADE80; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; margin-top: 3px; }
.ai-demo { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; padding: 26px; }
.ai-chat { display: flex; flex-direction: column; gap: 14px; }
.chat-row { display: flex; gap: 10px; align-items: flex-end; }
.chat-row.user { flex-direction: row-reverse; }
.chat-row .who { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; flex-shrink: 0; }
.chat-row .who.bot { background: linear-gradient(135deg, #1E6FFF, #22D3EE); color: #fff; }
.chat-row .who.cus { background: rgba(255,255,255,.14); color: #D6E6FF; }
.bubble { max-width: 78%; padding: 12px 16px; border-radius: 14px; font-size: 13.5px; line-height: 1.65; }
.chat-row.bot .bubble { background: rgba(30,111,255,.18); color: #E3EEFF; border-top-left-radius: 4px; }
.chat-row.user .bubble { background: rgba(255,255,255,.1); color: #D6E6FF; border-top-right-radius: 4px; }
.bubble small { display: block; margin-top: 6px; font-size: 11px; color: #6E86AD; }
@media (max-width: 980px) { .ai-wrap { grid-template-columns: 1fr; } }

/* ============ 痛点 ============ */
.pain-section { background: linear-gradient(180deg, #08203F 0%, #0A294F 100%); }
.pain-section .eyebrow { background: rgba(77, 141, 255, 0.15); color: #7FB3FF; }
.pain-section .section-head h2 { color: #fff; }
.pain-section .section-head p { color: #A8C4EA; }
.pain-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.pain-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; padding: 28px 26px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background .25s, transform .25s;
}
.pain-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.pain-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; }
.p-red { background: rgba(255,77,77,0.18); color: #FF6B6B; }
.p-orange { background: rgba(255,165,26,0.18); color: #FFB347; }
.p-purple { background: rgba(199,125,255,0.18); color: #C77DFF; }
.p-blue { background: rgba(51,153,255,0.18); color: #5DA8FF; }
.p-green { background: rgba(51,204,128,0.18); color: #4ADE80; }
.pain-card h4 { font-size: 19px; color: #fff; font-weight: 600; }
.pain-card p { font-size: 13.5px; color: #A8C4EA; line-height: 1.6; }
@media (max-width: 1100px) { .pain-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .pain-grid { grid-template-columns: 1fr; } }

/* ============ 行业 ============ */
.industry-section { background: var(--bg-soft); }
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ind-card {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 20px 22px; box-shadow: 0 4px 14px rgba(3, 23, 51, 0.05);
  transition: transform .2s, box-shadow .2s;
}
.ind-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(3, 23, 51, 0.1); }
.ind-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; flex-shrink: 0; }
.ind-card b { display: block; font-size: 16px; color: var(--navy); font-weight: 600; }
.ind-card span { font-size: 12px; color: var(--faint); }
.c-blue { background: #EFF6FF; color: var(--blue); }
.c-cyan { background: #F0F9FF; color: #0891B2; }
.c-purple { background: #FDF4FF; color: #A855F7; }
.c-orange { background: #FFF7ED; color: #EA580C; }
.c-red { background: #FEF2F2; color: #DC2626; }
.c-green { background: #F0FDF4; color: #16A34A; }
.c-pink { background: #FFF1F2; color: #E11D48; }
.c-slate { background: #F8FAFC; color: #475569; }
@media (max-width: 900px) { .industry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .industry-grid { grid-template-columns: 1fr; } }

/* 行业方案详情块（solutions 页） */
.sol-block {
  display: grid; grid-template-columns: 96px 1fr 300px; gap: 32px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 40px; margin-bottom: 24px; box-shadow: var(--shadow-card);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.sol-icon { width: 88px; height: 88px; border-radius: 22px; display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 700; }
.sol-body h3 { font-size: 24px; color: var(--navy); margin-bottom: 6px; }
.sol-body > p { font-size: 14.5px; color: var(--muted); margin-bottom: 14px; }
.sol-points { display: flex; flex-direction: column; gap: 8px; }
.sol-points li { display: flex; gap: 9px; font-size: 13.5px; color: var(--text); align-items: flex-start; }
.sol-points svg { width: 17px; height: 17px; stroke: var(--blue); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; margin-top: 4px; }
.sol-side { background: var(--bg-soft); border-radius: var(--radius-md); padding: 24px; }
.sol-side h5 { font-size: 14px; color: var(--navy); margin-bottom: 14px; }
.kpi { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13px; color: var(--muted); }
.kpi:last-child { border-bottom: none; }
.kpi b { color: var(--blue); font-size: 16px; }
@media (max-width: 1000px) { .sol-block { grid-template-columns: 1fr; } .sol-icon { width: 64px; height: 64px; font-size: 26px; } }
@media (max-width: 640px) { .sol-block { padding: 26px 22px; } }

/* ============ 案例 ============ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: transform .25s; display: flex; flex-direction: column; }
.case-card:hover { transform: translateY(-5px); }
.case-cover { height: 140px; display: flex; align-items: center; justify-content: center; font-size: 40px; }
.cv-gov { background: linear-gradient(135deg, #1E6FFF, #22D3EE); }
.cv-med { background: linear-gradient(135deg, #16A34A, #4ADE80); }
.cv-fin { background: linear-gradient(135deg, #F59E0B, #FBBF24); }
.cv-ecom { background: linear-gradient(135deg, #EC4899, #F472B6); }
.cv-edu { background: linear-gradient(135deg, #7C3AED, #A78BFA); }
.cv-log { background: linear-gradient(135deg, #0891B2, #22D3EE); }
.case-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.case-body h4 { font-size: 17px; color: var(--navy); margin-bottom: 8px; }
.case-body p { font-size: 13.5px; color: var(--muted); line-height: 1.7; flex: 1; }
.case-stat { display: flex; gap: 24px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-stat div b { display: block; font-size: 20px; color: var(--blue); }
.case-stat div span { font-size: 12px; color: var(--faint); }
@media (max-width: 900px) { .case-grid { grid-template-columns: 1fr; } }

/* 客户行业墙 */
.logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.logo-cell {
  height: 76px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  color: var(--navy); font-weight: 600; font-size: 14.5px; letter-spacing: 1px;
  transition: all .2s; filter: grayscale(1); opacity: .8;
}
.logo-cell small { font-size: 10.5px; color: var(--faint); font-weight: 400; letter-spacing: 2px; }
.logo-cell:hover { filter: none; opacity: 1; border-color: rgba(30,111,255,.4); box-shadow: 0 8px 20px rgba(30,111,255,.12); }
@media (max-width: 1000px) { .logo-wall { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .logo-wall { grid-template-columns: repeat(2, 1fr); } }

/* ============ 服务流程 ============ */
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.flow-step { text-align: center; padding: 0 14px; position: relative; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 26px; right: -22px; width: 44px; height: 2px;
  background: repeating-linear-gradient(90deg, #C7DBFF 0 6px, transparent 6px 12px);
}
.flow-num {
  width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%;
  background: var(--grad-btn); color: #fff; font-size: 18px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(30,111,255,.3); position: relative; z-index: 1;
}
.flow-step h4 { font-size: 16px; color: var(--navy); margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
@media (max-width: 900px) {
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .flow-step:not(:last-child)::after { display: none; }
}

/* ============ FAQ ============ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; margin-bottom: 14px; background: #fff; overflow: hidden; transition: box-shadow .2s; }
.faq-item.open { box-shadow: 0 10px 26px rgba(3,23,51,.08); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px; background: none; border: none; cursor: pointer;
  font-size: 16px; font-weight: 600; color: var(--navy); text-align: left;
}
.faq-q .arr { width: 26px; height: 26px; border-radius: 50%; background: var(--bg-blue); color: var(--blue); display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; transition: transform .25s; }
.faq-item.open .arr { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a > div { padding: 0 24px 22px; font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* ============ 表单 ============ */
.lead-section { padding: 0 0 100px; }
.lead-box {
  background: linear-gradient(135deg, #0B2545 0%, #123D73 100%);
  border-radius: 24px; overflow: hidden; position: relative;
  display: grid; grid-template-columns: 1.1fr 1fr;
}
.lead-box::before {
  content: ""; position: absolute; top: -120px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.18) 0%, transparent 60%);
}
.lead-left { padding: 64px 56px; position: relative; }
.lead-left h2 { font-size: 32px; color: #fff; margin-bottom: 16px; }
.lead-left > p { font-size: 15px; color: #A8C4EA; margin-bottom: 30px; line-height: 1.8; }
.lead-perks { display: flex; flex-direction: column; gap: 14px; }
.lead-perks li { display: flex; gap: 12px; color: #D6E6FF; font-size: 14.5px; align-items: flex-start; }
.lead-perks svg { width: 20px; height: 20px; stroke: #4ADE80; fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; margin-top: 3px; }
.lead-hotline { margin-top: 34px; display: flex; align-items: center; gap: 14px; }
.lead-hotline .ph { width: 52px; height: 52px; border-radius: 50%; background: rgba(77,141,255,.18); display: flex; align-items: center; justify-content: center; font-size: 22px; }
.lead-hotline b { display: block; color: #fff; font-size: 22px; letter-spacing: 1px; }
.lead-hotline span { font-size: 12.5px; color: #7B93B8; }
.lead-form { background: #fff; margin: 28px; border-radius: 18px; padding: 38px 36px; position: relative; }
.lead-form h3 { font-size: 20px; color: var(--navy); margin-bottom: 4px; }
.lead-form > p { font-size: 13px; color: var(--faint); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--navy); font-weight: 600; margin-bottom: 7px; }
.field label i { color: #EF4444; font-style: normal; margin-left: 2px; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; font-size: 14px; color: var(--ink); font-family: var(--font);
  background: #FBFCFE; transition: border-color .2s, box-shadow .2s; outline: none;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(30,111,255,.12); background: #fff; }
.field .err { display: none; font-size: 12px; color: #EF4444; margin-top: 5px; }
.field.invalid input { border-color: #EF4444; }
.field.invalid .err { display: block; }
.lead-form .btn { width: 100%; padding: 14px; font-size: 16px; }
.form-tip { text-align: center; font-size: 12px; color: var(--faint); margin-top: 12px; }
.form-ok { display: none; text-align: center; padding: 30px 10px; }
.form-ok .ok-ico { width: 62px; height: 62px; margin: 0 auto 18px; border-radius: 50%; background: #DCFCE7; color: #16A34A; font-size: 28px; display: flex; align-items: center; justify-content: center; }
.form-ok b { display: block; font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.form-ok p { font-size: 14px; color: var(--muted); }
.form-ok .btn { width: auto; margin-top: 20px; }
@media (max-width: 980px) { .lead-box { grid-template-columns: 1fr; } .lead-left { padding: 44px 28px 10px; } }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } .lead-form { margin: 20px; padding: 28px 22px; } }

/* 简易 CTA 条 */
.cta-box {
  background: linear-gradient(135deg, #0B2545 0%, #123D73 100%);
  border-radius: 24px; padding: 72px 64px; text-align: center; position: relative; overflow: hidden;
}
.cta-box::before {
  content: ""; position: absolute; top: -120px; right: -80px;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.18) 0%, transparent 60%);
}
.cta-box h2 { font-size: 34px; color: #fff; margin-bottom: 16px; position: relative; }
.cta-box p { font-size: 16px; color: #A8C4EA; margin-bottom: 36px; position: relative; }
.cta-box .btn { position: relative; }
@media (max-width: 768px) { .cta-box { padding: 48px 24px; } .cta-box h2 { font-size: 24px; } }

/* ============ 右侧悬浮咨询栏 ============ */
.side-float { position: fixed; right: 18px; bottom: 120px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.sf-btn {
  width: 56px; height: 56px; border-radius: 14px; background: #fff;
  border: 1px solid var(--line); box-shadow: 0 8px 22px rgba(3,23,51,.14);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  cursor: pointer; transition: all .2s; color: var(--navy); font-size: 10.5px;
}
.sf-btn:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-2px); }
.sf-btn svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sf-btn.hot { background: var(--grad-btn); color: #fff; border: none; }
.sf-btn.hot:hover { opacity: .92; }
.sf-btn.top { opacity: 0; pointer-events: none; }
.sf-btn.top.show { opacity: 1; pointer-events: auto; }
.sf-pop {
  position: absolute; right: 70px; bottom: 0; width: 200px;
  background: #fff; border-radius: 14px; border: 1px solid var(--line);
  box-shadow: 0 14px 36px rgba(3,23,51,.18); padding: 18px;
  opacity: 0; visibility: hidden; transform: translateX(6px); transition: all .22s;
  text-align: center;
}
.sf-btn.has-pop:hover .sf-pop, .sf-pop:hover { opacity: 1; visibility: visible; transform: none; }
.qr-box { width: 150px; height: 150px; margin: 0 auto 10px; border-radius: 10px; background: var(--bg-soft); border: 1px dashed var(--line); display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--faint); text-align: center; line-height: 1.5; }
.sf-pop b { font-size: 13.5px; color: var(--navy); display: block; }
.sf-pop span { font-size: 12px; color: var(--faint); }
@media (max-width: 640px) {
  .side-float { right: 12px; bottom: 90px; }
  .sf-btn { width: 48px; height: 48px; }
  .sf-pop { display: none; }
}

/* ============ 底部 ============ */
.site-footer { background: var(--navy-2); color: #A8C4EA; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo-icon { margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; color: #7B93B8; margin-top: 12px; }
.footer-col h5 { font-size: 15px; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer-col ul li { margin-bottom: 12px; font-size: 13.5px; }
.footer-col li a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .k { color: #7B93B8; flex-shrink: 0; }
.footer-contact a { color: #A8C4EA; }
.footer-contact a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 12.5px; color: #5E7392; }
.footer-bottom a { color: #5E7392; }
.footer-bottom a:hover { color: #A8C4EA; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

/* 图标基类 */
.icon-svg { fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 内容排版块（关于页等） */
.prose { max-width: 860px; margin: 0 auto; font-size: 15px; color: var(--text); line-height: 1.9; }
.prose h3 { color: var(--navy); font-size: 20px; margin: 26px 0 12px; }
.prose p { margin-bottom: 12px; }
.cred-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cred-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px 22px; text-align: center; box-shadow: var(--shadow-card); }
.cred-card .c-ico { font-size: 30px; margin-bottom: 12px; }
.cred-card b { display: block; font-size: 15.5px; color: var(--navy); margin-bottom: 6px; }
.cred-card span { font-size: 12.5px; color: var(--faint); }
@media (max-width: 900px) { .cred-grid { grid-template-columns: repeat(2, 1fr); } }