/* ==========================================================================
   安徽友联汇信息科技有限公司 — 官网样式基座
   视觉体系：白底红字 / 企业商务 / 贴合友联汇红色 Logo 与用友品牌色
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 底色 */
  --navy-950: #FFFFFF;
  --navy-900: #F8F9FA;
  --navy-850: #F2F3F5;
  --navy-800: #E5E6EB;
  --navy-700: #C9CDD4;

  /* 品牌色（红） */
  --blue-700: #B80012;
  --blue-600: #D70018;
  --blue-500: #E60012;
  --blue-400: #F24C4C;
  --cyan-400: #E60012;
  --cyan-300: #F24C4C;
  --cyan-200: #FFB3B3;
  --violet-500: #C0000F;

  /* 文本 */
  --ink: #1F2329;
  --ink-2: rgba(31, 35, 41, 0.74);
  --ink-3: rgba(31, 35, 41, 0.52);
  --ink-4: rgba(31, 35, 41, 0.34);

  /* 线条与玻璃 */
  --line: rgba(31, 35, 41, 0.10);
  --line-2: rgba(31, 35, 41, 0.16);
  --glass: rgba(230, 0, 18, 0.045);
  --glass-2: rgba(230, 0, 18, 0.08);

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #FF6B6B 0%, #E60012 52%, #C0000F 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(230, 0, 18, .12), rgba(230, 0, 18, .06));
  --grad-text: linear-gradient(100deg, #C0000F 0%, #E60012 42%, #FF6B6B 100%);

  /* 尺寸 */
  --maxw: 1220px;
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  /* 阴影 */
  --shadow-card: 0 10px 32px -12px rgba(31, 35, 41, .12);
  --shadow-card-hover: 0 18px 46px -16px rgba(230, 0, 18, .22);
  --shadow-glow: 0 0 0 1px rgba(230, 0, 18, .28), 0 18px 46px -16px rgba(230, 0, 18, .22);

  /* 动效 */
  --ease: cubic-bezier(.22, .7, .24, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --header-h: 76px;
}

/* ---------- 2. 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--navy-950);
  color: var(--ink);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei",
               "Hiragino Sans GB", -apple-system, BlinkMacSystemFont,
               "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.25; letter-spacing: -.015em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }

::selection { background: rgba(230, 0, 18, .18); color: var(--ink); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--navy-950); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #E60012, #C0000F);
  border-radius: 10px;
  border: 2px solid var(--navy-950);
}

/* ---------- 3. 背景 ---------- */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(230, 0, 18, .06), transparent 60%),
    radial-gradient(1000px 600px at 92% 8%, rgba(230, 0, 18, .04), transparent 58%),
    radial-gradient(900px 500px at 50% 105%, rgba(255, 107, 107, .05), transparent 62%),
    linear-gradient(180deg, #FFFFFF 0%, #FAFAFA 100%);
}

/* 网格纹理 */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(rgba(31, 35, 41, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 35, 41, .04) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 22%, #000 0%, transparent 78%);
}

/* 漂浮光斑（白底上弱化） */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  z-index: -1;
  pointer-events: none;
  opacity: .30;
}
.orb-1 { width: 520px; height: 520px; top: -140px; left: -120px; background: rgba(230, 0, 18, .10); animation: drift 22s var(--ease) infinite alternate; }
.orb-2 { width: 440px; height: 440px; top: 32%; right: -160px; background: rgba(255, 107, 107, .10); opacity: .18; animation: drift 27s var(--ease) infinite alternate-reverse; }
.orb-3 { width: 480px; height: 480px; bottom: -180px; left: 34%; background: rgba(230, 0, 18, .10); opacity: .18; animation: drift 31s var(--ease) infinite alternate; }

@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(70px, 54px, 0) scale(1.14); }
}

/* ---------- 4. 布局 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 108px 0; position: relative; }
.section-sm { padding: 72px 0; position: relative; }
.section-tight { padding: 0 0 108px; }

.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-300);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.section-title { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 18px; }
.section-desc { font-size: 17px; color: var(--ink-2); line-height: 1.85; }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
              background .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
}
.btn svg { width: 17px; height: 17px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 16px 38px -14px rgba(230, 0, 18, .30);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px -14px rgba(230, 0, 18, .40);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line-2);
  color: var(--ink);
}
.btn-ghost:hover {
  background: rgba(230, 0, 18, .04);
  border-color: rgba(230, 0, 18, .45);
  color: var(--cyan-400);
  transform: translateY(-2px);
}

.btn-sm { padding: 11px 22px; font-size: 14px; }
.btn-lg { padding: 17px 36px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- 6. 顶栏 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid var(--line);
  transition: background .4s var(--ease), border-color .4s var(--ease),
              backdrop-filter .4s var(--ease), box-shadow .4s var(--ease);
  box-shadow: 0 4px 20px -12px rgba(31, 35, 41, .12);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom-color: var(--line-2);
  box-shadow: 0 12px 40px -20px rgba(31, 35, 41, .14);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  width: 100%;
}

/* 品牌 */
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand-mark {
  position: relative;
  width: 42px; height: 42px;
  flex: none;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--grad-brand);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 10px 26px -10px rgba(230, 0, 18, 0.10);
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(255,255,255,.42), transparent 55%);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 16.5px; font-weight: 700; letter-spacing: .01em; }
.brand-text em {
  font-style: normal;
  font-size: 11px;
  color: var(--cyan-300);
  letter-spacing: .12em;
  margin-top: 3px;
}

/* 导航 */
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link {
  position: relative;
  padding: 9px 15px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 10px;
  transition: color .25s var(--ease), background .25s var(--ease);
}
.nav-link:hover { color: var(--ink); background: var(--glass); }
.nav-link.active { color: var(--red-600, #E60012); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .25s var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动抽屉 */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 89;
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px 26px;
  display: grid;
  gap: 2px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.mobile-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-nav a {
  padding: 14px 6px;
  font-size: 16px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav .btn { margin-top: 16px; }

/* ---------- 7. Hero ---------- */
.hero { position: relative; padding: calc(var(--header-h) + 88px) 0 96px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: 64px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(230, 0, 18, .25);
  background: rgba(230, 0, 18, .06);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-300);
  letter-spacing: .04em;
  margin-bottom: 26px;
}
.badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(230, 0, 18, .15);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(230, 0, 18, .15); }
  50%      { box-shadow: 0 0 0 9px rgba(230, 0, 18, .04); }
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.16;
  letter-spacing: -.028em;
  margin-bottom: 26px;
}
.hero-sub {
  font-size: 17.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-width: 560px;
  margin-bottom: 38px;
}

.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.tag {
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(230, 0, 18, .04);
  font-size: 13px;
  color: var(--ink-2);
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.tag:hover { border-color: rgba(230, 0, 18, .40); color: var(--cyan-400); background: rgba(230, 0, 18, .08); }

/* Hero 右侧视觉 — 玻璃仪表盘 */
.hero-visual { position: relative; }
.glass-panel {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(230,0,18,.04), rgba(230,0,18,.01));
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.glass-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230,0,18,.22), transparent);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.panel-head .dots { display: flex; gap: 6px; }
.panel-head .dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: rgba(31, 35, 41, .16);
  display: block;
}
.panel-head .dots i:first-child { background: rgba(230, 0, 18, .45); }
.panel-head span { font-size: 12.5px; color: var(--ink-3); letter-spacing: .06em; margin-left: 4px; }

.panel-body { padding: 22px 20px 24px; }

.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi {
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(31, 35, 41, .035);
}
.kpi small { display: block; font-size: 11.5px; color: var(--ink-3); letter-spacing: .05em; margin-bottom: 6px; }
.kpi b { font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.kpi .up { font-size: 11.5px; color: #12B76A; margin-left: 3px; font-weight: 600; }

.chart { position: relative; height: 118px; margin-bottom: 18px; }
.chart svg { width: 100%; height: 100%; overflow: visible; }

.bar-list { display: grid; gap: 12px; }
.bar-item { display: grid; grid-template-columns: 76px 1fr 44px; align-items: center; gap: 12px; }
.bar-item span { font-size: 12.5px; color: var(--ink-3); }
.bar-item b { font-size: 12.5px; color: var(--ink-2); text-align: right; font-weight: 600; }
.bar-track { height: 6px; border-radius: 6px; background: rgba(31, 35, 41, .08); overflow: hidden; }
.bar-fill {
  display: block;
  height: 100%;
  border-radius: 6px;
  background: var(--grad-brand);
  width: 0;
  transition: width 1.4s var(--ease-out);
}

/* Hero 浮动小卡 */
.float-card {
  position: absolute;
  padding: 13px 17px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 20px 46px -22px rgba(0,0,0,.95);
  animation: float 6s var(--ease) infinite alternate;
}
.float-card small { display: block; font-size: 11px; color: var(--ink-3); letter-spacing: .05em; margin-bottom: 3px; }
.float-card b { font-size: 15px; font-weight: 700; }
.float-card.fc-1 { top: -22px; left: -26px; }
.float-card.fc-2 { bottom: -24px; right: -18px; animation-delay: -3s; }

@keyframes float {
  from { transform: translateY(0); }
  to   { transform: translateY(-13px); }
}

/* Hero 右侧服务流程示意（替代原来的玻璃仪表盘） */
.hero-visual-inner {
  display: grid;
  gap: 16px;
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(230, 0, 18, .04), rgba(230, 0, 18, .01));
  box-shadow: var(--shadow-card);
}

.hv-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.hv-card:hover {
  transform: translateY(-3px);
  border-color: rgba(230, 0, 18, .30);
  box-shadow: var(--shadow-card-hover);
}

.hv-icon {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 8px 20px -10px rgba(230, 0, 18, .45);
}

.hv-text { flex: 1; min-width: 0; }

.hv-text h4 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 5px;
}

.hv-text p {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.55;
}

.hv-arrow {
  display: grid;
  place-items: center;
  color: var(--cyan-400);
  height: 16px;
}

.hv-arrow svg {
  width: 22px;
  height: 22px;
}

.hv-note {
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .02em;
}

/* ---------- 8. 数据条 ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--line);
  margin-top: 12px;
}
.stat {
  padding: 32px 22px;
  background: rgba(255, 255, 255, .95);
  text-align: center;
  transition: background .35s var(--ease);
}
.stat:hover { background: rgba(230, 0, 18, .10); }
.stat b {
  display: block;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 800;
  letter-spacing: -.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 8px;
}
.stat span { font-size: 13.5px; color: var(--ink-3); letter-spacing: .03em; }

/* ---------- 9. 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
/* 两列栅格中落单的最后一个卡片自动通栏，避免出现半空行 */
.grid-2 > .product-card:last-child:nth-child(odd),
.grid-2 > .card:last-child:nth-child(odd) { grid-column: 1 / -1; }

.card {
  position: relative;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(230, 0, 18, 0.10), rgba(230, 0, 18, 0.10), transparent 62%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: 0 30px 66px -30px rgba(230, 0, 18, .20);
}
.card:hover::after { opacity: 1; }

.card-icon {
  width: 50px; height: 50px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  background: var(--grad-brand-soft);
  border: 1px solid rgba(230, 0, 18, .20);
  color: var(--cyan-300);
}
.card-icon svg { width: 23px; height: 23px; }

.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

.card-num {
  position: absolute;
  top: 22px; right: 26px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-4);
  letter-spacing: .1em;
}

/* 特性列表 */
.feat-list { margin-top: 20px; display: grid; gap: 10px; }
.feat-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-2);
  align-items: flex-start;
}
.feat-list li::before {
  content: "";
  width: 15px; height: 15px;
  flex: none;
  margin-top: 5px;
  border-radius: 50%;
  background: rgba(230, 0, 18, .12);
  border: 1px solid rgba(230, 0, 18, .35);
  background-image: radial-gradient(circle, var(--cyan-400) 0 2.5px, transparent 3px);
}

/* ---------- 10. 产品卡（带角标） ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 0, 18, .32);
  box-shadow: 0 30px 66px -30px rgba(230, 0, 18, .18);
}
.product-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.product-name { font-size: 21px; font-weight: 700; letter-spacing: -.01em; }
.pill {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .06em;
  border: 1px solid rgba(230, 0, 18, 0.10);
  background: rgba(230, 0, 18, .08);
  color: var(--cyan-300);
  white-space: nowrap;
}
.pill.warm { border-color: rgba(31, 35, 41, .16); background: rgba(31, 35, 41, .05); color: var(--ink-2); }
.pill.violet { border-color: rgba(230, 0, 18, .18); background: rgba(230, 0, 18, .07); color: var(--cyan-400); }

.product-card h4 { font-size: 14.5px; color: var(--ink-3); font-weight: 500; margin-bottom: 14px; letter-spacing: .02em; }
.product-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; flex: 1; }
.product-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 5px 11px;
  border-radius: 8px;
  font-size: 12px;
  background: rgba(31, 35, 41, .04);
  border: 1px solid var(--line);
  color: var(--ink-3);
}

/* ---------- 11. 流程 / 时间线 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.flow-item { position: relative; padding-top: 60px; }
.flow-item::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 0; left: 0;
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 12px 28px -12px rgba(230, 0, 18, 0.10);
}
.flow-item::after {
  content: "";
  position: absolute;
  top: 23px; left: 56px; right: -18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(230, 0, 18, 0.10), transparent);
}
.flow-item:last-child::after { display: none; }
.flow-item h4 { font-size: 17px; margin-bottom: 10px; }
.flow-item p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 12. 行业方案（左右交替） ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 60px;
  align-items: center;
}
.split.reverse .split-text { order: 2; }
.split.reverse .split-visual { order: 1; }

.split h3 { font-size: clamp(23px, 2.4vw, 30px); margin-bottom: 16px; }
.split p { color: var(--ink-2); line-height: 1.9; font-size: 15.5px; }

.split-visual {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line-2);
  background: linear-gradient(160deg, rgba(230,0,18,.035), rgba(230,0,18,.008));
  padding: 30px;
  min-height: 268px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  overflow: hidden;
}
.split-visual::after {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 0, 18, 0.10), transparent 68%);
  filter: blur(40px);
  top: -90px; right: -70px;
  pointer-events: none;
}

.mini-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(31, 35, 41, .02);
  position: relative;
  z-index: 1;
}
.mini-row .ico {
  width: 36px; height: 36px;
  flex: none;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--grad-brand-soft);
  border: 1px solid rgba(230, 0, 18, 0.10);
  color: var(--cyan-300);
}
.mini-row .ico svg { width: 18px; height: 18px; }
.mini-row .tx { min-width: 0; }
.mini-row b { display: block; font-size: 14.5px; font-weight: 600; }
.mini-row small { font-size: 12.5px; color: var(--ink-3); }
.mini-row .val { margin-left: auto; font-size: 14px; font-weight: 700; color: var(--cyan-300); white-space: nowrap; }

/* ---------- 13. 案例卡 ---------- */
.case-card {
  display: flex;
  flex-direction: column;
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 0, 18, 0.10);
  box-shadow: 0 30px 66px -30px rgba(230, 0, 18, 0.10);
}
.case-tag {
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-300);
  background: rgba(230, 0, 18, 0.10);
  border: 1px solid rgba(230, 0, 18, 0.10);
  margin-bottom: 18px;
}
.case-card h3 { font-size: 18.5px; margin-bottom: 12px; line-height: 1.45; }
.case-card > p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; flex: 1; }
.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.case-metrics div b {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--cyan-300);
  line-height: 1.2;
}
.case-metrics div small { font-size: 12px; color: var(--ink-3); }

/* ---------- 14. 引用 / 客户证言 ---------- */
.quote {
  padding: 34px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  position: relative;
}
.quote::before {
  content: "\201C";
  position: absolute;
  top: 8px; left: 22px;
  font-size: 68px;
  line-height: 1;
  font-family: Georgia, serif;
  color: rgba(230, 0, 18, 0.10);
}
.quote p { font-size: 15.5px; color: var(--ink-2); line-height: 1.95; margin: 22px 0 22px; position: relative; z-index: 1; }
.quote footer { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--grad-brand);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  flex: none;
}
.quote footer b { display: block; font-size: 14.5px; }
.quote footer small { font-size: 12.5px; color: var(--ink-3); }

/* ---------- 15. CTA 区块 ---------- */
.cta-band {
  position: relative;
  padding: 66px 56px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(230, 0, 18, 0.10);
  background:
    radial-gradient(700px 320px at 88% 12%, rgba(230, 0, 18, 0.10), transparent 62%),
    radial-gradient(620px 320px at 6% 92%, rgba(230, 0, 18, 0.10), transparent 62%),
    linear-gradient(140deg, rgba(230, 0, 18, 0.10), rgba(255, 255, 255, .92));
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
}
.cta-band h2 { font-size: clamp(25px, 2.8vw, 36px); margin-bottom: 14px; }
.cta-band p { color: var(--ink-2); font-size: 16px; max-width: 560px; line-height: 1.85; }

/* ---------- 16. 内页 Hero ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 76px) 0 62px;
  border-bottom: 1px solid var(--line);
}
.crumb { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--ink-3); margin-bottom: 20px; }
.crumb a:hover { color: var(--cyan-300); }
.crumb span { color: var(--ink-4); }
.page-hero h1 { font-size: clamp(30px, 3.8vw, 50px); margin-bottom: 20px; letter-spacing: -.026em; }
.page-hero p { font-size: 17px; color: var(--ink-2); max-width: 720px; line-height: 1.9; }

/* 文章详情：标题降一档，留出正文阅读节奏 */
.page-hero.hero-article { padding-bottom: 46px; }
.page-hero.hero-article h1 { font-size: clamp(24px, 2.9vw, 36px); max-width: 900px; margin-bottom: 16px; }
.page-hero.hero-article p { font-size: 16px; max-width: 760px; }

/* ---------- 17. 表格 / 对比 ---------- */
.table-wrap {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; min-width: 640px; }
thead th {
  padding: 18px 22px;
  text-align: left;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--cyan-300);
  background: rgba(230, 0, 18, 0.10);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
tbody td {
  padding: 17px 22px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .25s var(--ease); }
tbody tr:hover { background: rgba(31, 35, 41, .035); }
tbody td:first-child { color: var(--ink); font-weight: 600; }

/* ---------- 18. 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 9px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; color: var(--ink-2); font-weight: 500; letter-spacing: .02em; }
.field label .req { color: var(--cyan-300); }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-2);
  background: #fff;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease), background .28s var(--ease);
}
.field textarea { resize: vertical; min-height: 132px; line-height: 1.7; }
.field select { appearance: none; cursor: pointer; background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 15px) 22px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.field select option { background: #fff; color: var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: rgba(230, 0, 18, 0.35);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.10);
}
.form-note { font-size: 12.5px; color: var(--ink-3); margin-top: 14px; line-height: 1.7; }
.form-toast {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 123, 74, .35);
  background: rgba(15, 123, 74, .08);
  color: #0B6B41;
  font-size: 14px;
  display: none;
}
.form-toast.show { display: block; }

/* ---------- 19. 联系信息块 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-item {
  padding: 30px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.contact-item:hover { transform: translateY(-4px); border-color: rgba(230, 0, 18, .30); box-shadow: var(--shadow-card-hover); }
.contact-item small { display: block; font-size: 12.5px; letter-spacing: .1em; color: var(--ink-3); margin-bottom: 12px; text-transform: uppercase; }
.contact-item b { display: block; font-size: 17px; font-weight: 600; line-height: 1.6; word-break: break-all; }
.contact-item a { transition: color .25s var(--ease); }
.contact-item a:hover { color: var(--cyan-400); }
.contact-item p { font-size: 13.5px; color: var(--ink-3); margin-top: 8px; }

/* 联系卡片：带二维码的 4 列布局 */
.contact-grid.qr-4 { grid-template-columns: repeat(4, 1fr); }
.contact-item.qr-item { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.contact-item.qr-item img { width: 118px; height: 118px; object-fit: contain; border-radius: 10px; margin: 4px 0 10px; display: block; }
.contact-item.qr-item .qr-label { font-size: 13px; color: var(--ink-3); margin-top: 6px; line-height: 1.45; }

@media (max-width: 1180px) {
  .contact-grid.qr-4 { grid-template-columns: repeat(2, 1fr); }
}

/* 地图卡片 */
.map-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: 360px;
}
.map-canvas {
  position: relative;
  background:
    radial-gradient(circle at 22% 30%, rgba(230, 0, 18, .06), transparent 28%),
    radial-gradient(circle at 78% 70%, rgba(230, 0, 18, .04), transparent 32%),
    linear-gradient(135deg, #fff 0%, #fafafa 100%);
  display: grid; place-items: center; padding: 30px;
}
.map-roads {
  position: absolute; inset: 0; opacity: .14;
  background-image:
    linear-gradient(rgba(31, 35, 41, .22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 35, 41, .22) 1px, transparent 1px);
  background-size: 46px 46px;
}
.map-pin { position: relative; z-index: 2; text-align: center; }
.map-pin-icon {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--grad-brand);
  display: grid; place-items: center;
  margin: 0 auto 14px;
  box-shadow: 0 10px 24px -8px rgba(230, 0, 18, .45);
}
.map-pin-icon svg { width: 26px; height: 26px; stroke: #fff; }
.map-pin h4 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.map-pin p { font-size: 14px; color: var(--ink-3); max-width: 280px; margin: 0 auto; line-height: 1.6; }

.map-info { padding: 34px; border-left: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.map-info h4 { font-size: 18px; font-weight: 600; margin-bottom: 18px; color: var(--ink); }
.map-info dl { display: grid; gap: 14px; margin: 0; }
.map-info dt { font-size: 12px; letter-spacing: .08em; color: var(--ink-3); text-transform: uppercase; margin-bottom: 2px; }
.map-info dd { font-size: 15px; color: var(--ink); line-height: 1.55; margin: 0; }
.map-info a { color: var(--cyan-400); transition: color .25s var(--ease); }
.map-info a:hover { color: var(--violet-500); }
.map-disclaimer { margin-top: 18px; font-size: 12.5px; color: var(--ink-4); line-height: 1.6; }

@media (max-width: 860px) {
  .contact-grid.qr-4 { grid-template-columns: 1fr; }
  .map-card { grid-template-columns: 1fr; }
  .map-info { border-left: 0; border-top: 1px solid var(--line); }
}

/* 地图占位（保留类，当前未使用） */
.map-holder {
  margin-top: 22px;
  height: 300px;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--line-2);
  background:
    linear-gradient(rgba(31, 35, 41, .04) 1px, transparent 1px) 0 0/44px 44px,
    linear-gradient(90deg, rgba(31, 35, 41, .04) 1px, transparent 1px) 0 0/44px 44px,
    rgba(255, 255, 255, .70);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.8;
}
.map-holder strong { display: block; color: var(--ink-2); font-size: 15px; margin-bottom: 6px; }

/* ---------- 20. 时间线 ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(230, 0, 18, 0.10), rgba(230, 0, 18, 0.10), transparent);
}
.tl-item { position: relative; padding-bottom: 36px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 7px;
  width: 17px; height: 17px;
  border-radius: 50%;
  background: var(--navy-900);
  border: 2px solid var(--cyan-400);
  box-shadow: 0 0 0 5px rgba(230, 0, 18, 0.10);
}
.tl-year { font-size: 13px; font-weight: 700; color: var(--cyan-300); letter-spacing: .1em; margin-bottom: 8px; }
.tl-item h4 { font-size: 17px; margin-bottom: 8px; }
.tl-item p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

/* ---------- 21. 页脚 ---------- */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(900px 300px at 88% 0%, rgba(230, 0, 18, .05), transparent 62%),
    linear-gradient(180deg, #FFFFFF 0%, #F5F6F8 100%);
  padding: 66px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.25fr;
  gap: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p { font-size: 14px; color: var(--ink-2); line-height: 1.85; margin-top: 18px; max-width: 320px; }
.footer-col h5 { font-size: 14px; margin-bottom: 20px; letter-spacing: .04em; color: var(--ink); }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { font-size: 14px; color: var(--ink-2); transition: color .25s var(--ease), padding-left .25s var(--ease); }
.footer-col a:hover { color: var(--cyan-400); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.footer-contact svg { width: 16px; height: 16px; flex: none; margin-top: 5px; color: var(--cyan-400); }
.footer-contact a { color: var(--ink-2); transition: color .25s var(--ease); }
.footer-contact a:hover { color: var(--cyan-400); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 13px;
  color: var(--ink-2);
}
.footer-bottom a { color: var(--ink-2); }
.footer-bottom a:hover { color: var(--cyan-400); }
.footer-bottom .links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- 22. 入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 23. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .header-actions .btn { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-sub { max-width: none; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .flow-item::after { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 38px; }
  .cta-band { grid-template-columns: 1fr; padding: 48px 34px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .section { padding: 78px 0; }
  .section-tight { padding-bottom: 78px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .split.reverse .split-text { order: 1; }
  .split.reverse .split-visual { order: 2; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .float-card.fc-1 { left: 0; top: -16px; }
  .float-card.fc-2 { right: 0; bottom: -16px; }
  .page-hero { padding-top: calc(var(--header-h) + 54px); }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .section { padding: 64px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .card, .product-card, .case-card, .contact-item { padding: 26px 22px; }
  .quote { padding: 28px 24px; }
  .cta-band { padding: 38px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-strip { grid-template-columns: 1fr; }
  .bar-item { grid-template-columns: 66px 1fr 40px; }
  .btn-row .btn { width: 100%; }
}

/* ==========================================================================
   24. 一级导航下拉（Mega Menu）
   ========================================================================== */
.nav-item { position: relative; display: flex; align-items: center; }

/* 导航项下方的静态悬停延展区。
   .mega 与导航项之间有 14px 空隙（top: calc(100% + 14px)），该区域两者都不覆盖，
   鼠标穿过时 :hover 立刻断开，下拉菜单就在鼠标到达之前收起 —— 即用户反馈的
   「鼠标还没放上去菜单就没了」。
   这里铺一条 22px 的透明带兜住：面板入场动画期间会下移 6px（14+6=20px），
   22px 仍能保证任意时刻都与面板相接，不会出现断链。 */
.nav-item::after {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  top: 100%;
  height: 22px;
}
.nav-caret {
  width: 8px; height: 8px;
  margin-left: 6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  border-radius: 1px;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: .5;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav-item:hover .nav-caret,
.nav-item:focus-within .nav-caret {
  opacity: 1;
  transform: rotate(225deg) translate(-2px, -2px);
}

.mega {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  z-index: 96;
  padding: 26px 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  box-shadow: 0 30px 70px -28px rgba(31, 35, 41, .30);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.mega::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230,0,18,.20), transparent);
}
/* 下拉面板上方的透明桥接层：横向覆盖整个面板宽度，
   即使鼠标斜向移动（离开导航项正下方）也不会断开悬停。 */
.mega::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -22px;
  height: 22px;
}
.nav-item:hover .mega,
.nav-item:focus-within .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-cols { display: grid; gap: 30px; }
.mega-cols.c2 { grid-template-columns: repeat(2, minmax(210px, 1fr)); }
.mega-cols.c3 { grid-template-columns: repeat(3, minmax(196px, 1fr)); }

.mega-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-300);
  margin-bottom: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
/* 同一栏内第二组标题的间距由内联 style 控制，此处不再叠加 */
.mega-block { min-width: 0; }

.mega-link {
  display: block;
  padding: 7px 11px;
  margin: 0 -11px;
  border-radius: 9px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.45;
  transition: background .22s var(--ease), color .22s var(--ease), padding-left .22s var(--ease);
}
.mega-link:hover { background: rgba(230,0,18,.04); color: var(--cyan-400); padding-left: 16px; }
.mega-link small { display: block; font-size: 11.5px; color: var(--ink-4); margin-top: 1px; }

/* ==========================================================================
   25. 移动端分组导航
   ========================================================================== */
.m-group { border-bottom: 1px solid var(--line); padding: 6px 0 10px; }
.m-group-title {
  display: block;
  padding: 12px 6px 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-300);
}
.m-group a {
  display: block;
  padding: 9px 6px 9px 16px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 0;
}
.mobile-nav > a { padding: 14px 6px; font-size: 16px; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.m-group a:hover, .mobile-nav > a:hover { color: var(--cyan-400); }

/* ==========================================================================
   26. 右侧常驻咨询悬浮条
   ========================================================================== */
.float-consult {
  position: fixed;
  right: 20px;
  bottom: 104px;
  z-index: 82;
  display: grid;
  gap: 12px;
  justify-items: end;
}
.fc-btn {
  display: flex;
  align-items: center;
  width: 56px;
  height: 56px;
  border-radius: 17px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--ink);
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  padding: 0;
  transition: width .34s var(--ease), background .3s var(--ease),
              border-color .3s var(--ease), box-shadow .3s var(--ease);
  box-shadow: 0 16px 38px -20px rgba(0, 0, 0, .9);
}
.fc-btn svg { width: 21px; height: 21px; flex: none; margin: 0 17.5px; }
.fc-btn span {
  font-size: 13.5px;
  font-weight: 600;
  padding-right: 20px;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .26s var(--ease) .06s, transform .26s var(--ease) .06s;
}
.fc-btn:hover { width: 172px; border-color: rgba(230, 0, 18, .45); background: rgba(230, 0, 18, .90); color: #fff; }
.fc-btn:hover span { opacity: 1; transform: none; }
.fc-btn.is-primary {
  background: var(--grad-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 16px 38px -14px rgba(230, 0, 18, 0.10);
}
.fc-btn.is-primary:hover { box-shadow: 0 22px 48px -14px rgba(230, 0, 18, .45); }

/* 回到顶部 */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 40px;
  z-index: 82;
  width: 56px; height: 56px;
  border-radius: 17px;
  border: 1px solid var(--line-2);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease),
              visibility .3s, border-color .3s var(--ease), background .3s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: rgba(230, 0, 18, .45); background: rgba(230, 0, 18, .18); }
.to-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   27. 领域云 / 场景卡片矩阵
   ========================================================================== */
.cloud-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.cloud-card {
  position: relative;
  padding: 22px 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
}
.cloud-card::after {
  content: "";
  position: absolute;
  width: 120px; height: 120px;
  right: -46px; top: -46px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 0, 18, 0.10), transparent 68%);
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.cloud-card:hover {
  transform: translateY(-5px);
  border-color: rgba(230, 0, 18, 0.10);
  box-shadow: 0 24px 54px -26px rgba(230, 0, 18, 0.10);
}
.cloud-card:hover::after { opacity: 1; }
.cloud-card .cc-idx {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--ink-4);
  display: block;
  margin-bottom: 12px;
}
.cloud-card b { display: block; font-size: 15.5px; font-weight: 700; margin-bottom: 7px; position: relative; z-index: 1; }
.cloud-card small { display: block; font-size: 12.5px; color: var(--ink-3); line-height: 1.65; position: relative; z-index: 1; }

/* ==========================================================================
   28. 方案编号列表（行业方案 / 通用方案）
   ========================================================================== */
.sol-list { border-top: 1px solid var(--line); }
.sol-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px 18px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background .3s var(--ease), border-left-color .3s var(--ease), padding-left .3s var(--ease);
}
.sol-row:hover {
  background: rgba(230, 0, 18, 0.10);
  border-left-color: var(--cyan-400);
  padding-left: 24px;
}
.sol-idx {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--cyan-300);
}
.sol-row b { display: block; font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.sol-row small { font-size: 13px; color: var(--ink-3); }
.sol-arrow {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  color: var(--ink-3);
  transition: border-color .3s var(--ease), color .3s var(--ease), background .3s var(--ease);
}
.sol-row:hover .sol-arrow { border-color: transparent; background: var(--grad-brand); color: #fff; }
.sol-arrow svg { width: 14px; height: 14px; }

/* ==========================================================================
   29. 动态 / 新闻列表
   ========================================================================== */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.news-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .38s var(--ease), border-color .38s var(--ease), box-shadow .38s var(--ease);
  min-height: 168px;
}
.news-card:hover {
  transform: translateY(-5px);
  border-color: rgba(230, 0, 18, 0.10);
  box-shadow: 0 26px 58px -28px rgba(230, 0, 18, 0.10);
}
.news-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.news-cat {
  padding: 4px 11px;
  border-radius: 7px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--cyan-300);
  background: rgba(230, 0, 18, 0.10);
  border: 1px solid rgba(230, 0, 18, 0.10);
}
.news-date { font-size: 12px; color: var(--ink-4); letter-spacing: .04em; }
.news-card h4 { font-size: 16px; line-height: 1.6; font-weight: 600; margin-bottom: 10px; }
.news-card h4 a { transition: color .25s var(--ease); }
.news-card:hover h4 a { color: var(--cyan-300); }
.news-card p { font-size: 13.5px; color: var(--ink-3); line-height: 1.75; flex: 1; }
.news-more { margin-top: 16px; font-size: 13px; font-weight: 600; color: var(--cyan-300); display: inline-flex; align-items: center; gap: 6px; }
.news-more svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.news-card:hover .news-more svg { transform: translateX(4px); }

/* ==========================================================================
   30. 服务卡（开发 / 技术服务）
   ========================================================================== */
.svc-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 0, 18, 0.10);
  box-shadow: 0 30px 66px -30px rgba(230, 0, 18, 0.10);
}
.svc-card .card-icon { margin-bottom: 20px; }
.svc-card h3 { font-size: 19px; margin-bottom: 8px; }
.svc-card .svc-en { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-4); margin-bottom: 16px; display: block; }
.svc-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; flex: 1; }

/* ==========================================================================
   30b. 领域云紧凑面板（首页专用）
   ========================================================================== */
.domain-panel { padding: 32px 30px 34px; }
.domain-panel .domain-head { margin-bottom: 22px; }
.domain-panel .domain-head b { display: block; font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.domain-panel .domain-head small { font-size: 13px; color: var(--ink-3); }
.domain-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.domain-chips span {
  padding: 8px 14px;
  border-radius: 9px;
  font-size: 13px;
  color: var(--ink-2);
  background: rgba(230, 0, 18, .04);
  border: 1px solid var(--line);
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}
.domain-chips span:hover {
  border-color: rgba(230, 0, 18, 0.10);
  background: rgba(230, 0, 18, 0.10);
  color: #fff;
}

/* ==========================================================================
   30c. 动态播报：列表 / 详情 / 侧栏
   ========================================================================== */
.layout-2col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 316px;
  gap: 46px;
  align-items: start;
}

/* 分类筛选 */
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.cat-btn {
  padding: 9px 19px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  font-size: 13.5px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .28s var(--ease), color .28s var(--ease),
              background .28s var(--ease), box-shadow .28s var(--ease);
}
.cat-btn:hover { border-color: rgba(230, 0, 18, .40); color: var(--cyan-400); }
.cat-btn.active {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 28px -14px rgba(230, 0, 18, .25);
}

/* 文章列表行 */
.post {
  display: grid;
  grid-template-columns: 138px minmax(0, 1fr);
  gap: 26px;
  padding: 28px 16px 28px 0;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background .3s var(--ease), border-left-color .3s var(--ease), padding-left .3s var(--ease);
}
.post:hover { background: rgba(230, 0, 18, .06); border-left-color: var(--cyan-400); padding-left: 18px; }
.post.is-hidden { display: none; }

.post-thumb {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-2);
  background:
    radial-gradient(120px 90px at 78% 18%, rgba(230, 0, 18, .20), transparent 70%),
    linear-gradient(150deg, rgba(230, 0, 18, 0.10), rgba(230, 0, 18, 0.10));
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.post-thumb span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .82);
  writing-mode: vertical-rl;
  text-orientation: upright;
}
.post-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(255,255,255,.16), transparent 55%);
}

.post-body { min-width: 0; }
.post-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.post h3 { font-size: 18.5px; line-height: 1.5; margin-bottom: 11px; }
.post h3 a { transition: color .25s var(--ease); }
.post:hover h3 a { color: var(--cyan-300); }
.post p { font-size: 14.5px; color: var(--ink-2); line-height: 1.82; }
.post-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-300);
}
.post-more svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.post:hover .post-more svg { transform: translateX(4px); }

/* 侧栏 */
.side-box {
  padding: 26px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.side-box h4 {
  font-size: 15px;
  margin-bottom: 18px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}
.side-list { display: grid; gap: 2px; }
.side-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  margin: 0 -12px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--ink-2);
  transition: background .24s var(--ease), color .24s var(--ease), padding-left .24s var(--ease);
}
.side-list a:hover { background: rgba(230,0,18,.04); color: var(--cyan-400); padding-left: 17px; }
.side-list a em { font-style: normal; font-size: 12px; color: var(--ink-4); }

.side-post { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
.side-post:last-child { border-bottom: 0; padding-bottom: 0; }
.side-post b { display: block; font-size: 14px; font-weight: 600; line-height: 1.6; margin-bottom: 6px; transition: color .24s var(--ease); }
.side-post:hover b { color: var(--cyan-300); }
.side-post small { font-size: 12px; color: var(--ink-4); }

.side-cta { text-align: center; }
.side-cta p { font-size: 14px; color: var(--ink-2); line-height: 1.8; margin: 0 0 18px; }

/* 文章详情 */
.article { max-width: 100%; }
.article-head { margin-bottom: 34px; }
.article-head h1 { font-size: clamp(24px, 2.8vw, 34px); line-height: 1.42; margin-bottom: 18px; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-3);
}
.article-body { font-size: 16px; line-height: 2.05; color: var(--ink-2); }
.article-body h2 {
  font-size: 21px;
  color: var(--ink);
  margin: 44px 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-400);
  line-height: 1.45;
}
.article-body h3 { font-size: 17.5px; color: var(--ink); margin: 30px 0 14px; }
.article-body p { margin-bottom: 20px; }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 4px; display: grid; gap: 11px; }
.article-body li { position: relative; padding-left: 22px; }
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 2px; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.10);
}
.article-body ol { counter-reset: ol; }
.article-body ol li::before {
  counter-increment: ol;
  content: counter(ol);
  position: absolute;
  left: 0; top: 1px;
  width: 19px; height: 19px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-brand);
}
.article-body blockquote {
  margin: 26px 0;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--cyan-400);
  background: rgba(230, 0, 18, .04);
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.9;
}
.article-table { margin-bottom: 26px; }
.article-foot {
  margin-top: 46px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.pager { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; margin-top: 34px; }
.pager a {
  flex: 1 1 240px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--glass);
  font-size: 14px;
  color: var(--ink-2);
  transition: border-color .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
}
.pager a:hover { border-color: rgba(230,0,18,.35); background: rgba(230,0,18,.04); color: var(--cyan-400); }
.pager span { display: block; font-size: 12px; color: var(--ink-4); margin-bottom: 6px; }

.pager-num { display: flex; gap: 8px; margin-top: 34px; justify-content: center; }
.pager-num a, .pager-num span {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-size: 14px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  transition: all .28s var(--ease);
}
.pager-num a:hover { border-color: rgba(230,0,18,.4); color: var(--cyan-400); }
.pager-num .cur { background: var(--grad-brand); border-color: transparent; color: #fff; }

.empty-note {
  padding: 40px 24px;
  text-align: center;
  color: var(--ink-3);
  font-size: 14.5px;
  border: 1px dashed var(--line-2);
  border-radius: var(--radius-lg);
}
.empty-note.is-hidden { display: none; }

/* 资质图片展示 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.cert-item { margin: 0; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; background: #fff; box-shadow: var(--shadow-card); }
.cert-item img { width: 100%; height: 100%; max-height: 260px; object-fit: contain; display: block; background: #fff; }
.cert-item figcaption { padding: 11px 12px; font-size: 12px; color: var(--ink-3); text-align: center; border-top: 1px solid var(--line); background: #fff; }
@media (max-width: 860px) {
  .cert-grid { grid-template-columns: 1fr; }
  .cert-item img { max-height: none; }
}

/* ==========================================================================
   31. 响应式补充
   ========================================================================== */
@media (max-width: 1320px) {
  .nav-link { padding: 9px 11px; font-size: 14px; }
  .header-inner { gap: 16px; }
  .nav-caret { margin-left: 4px; }
}
@media (max-width: 1180px) {
  .brand-text em { display: none; }
}
@media (max-width: 1200px) {
  .nav-link { padding: 9px 9px; font-size: 13.5px; }
  .header-inner { gap: 12px; }
  .header-actions .btn { padding: 10px 16px; font-size: 13.5px; }
}
@media (max-width: 1180px) {
  .layout-2col { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 1080px) {
  .float-consult { right: 14px; bottom: 88px; gap: 10px; }
  .fc-btn, .to-top { width: 48px; height: 48px; border-radius: 14px; }
  .fc-btn svg { width: 19px; height: 19px; margin: 0 14.5px; }
  .fc-btn:hover { width: 148px; }
  .to-top { right: 14px; bottom: 32px; }
  .to-top svg { width: 18px; height: 18px; }
  .cloud-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .cloud-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .news-grid { grid-template-columns: 1fr; }
  .sol-row { grid-template-columns: 36px minmax(0, 1fr) auto; gap: 12px; padding: 17px 12px; }
  .sol-row:hover { padding-left: 16px; }
}
@media (max-width: 560px) {
  .cloud-grid { grid-template-columns: 1fr; }
  .fc-btn:hover { width: 56px; }
  .fc-btn:hover span { opacity: 0; }
}