/* ============ 全局 ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --navy: #131f4f;
  --navy-deep: #0c1440;
  --orange: #f08300;
  --blue: #2b6bd8;
  --text: #333;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  min-width: 1200px;
}
a { text-decoration: none; color: inherit; }
img { display: block; }
.container { width: 1200px; margin: 0 auto; }

/* ============ 头部导航（白底 + 图标 + 文字 + 双色装饰条） ============ */
.site-header {
  background: #fff;
  position: relative;
}
/* 双色装饰条：左橙右深藏蓝，与设计稿一致 */
.site-header::after {
  content: "";
  display: block;
  height: 8px;
  background: linear-gradient(90deg, var(--orange) 0 38%, #131f4f 38% 100%);
}
.site-header .header-inner {
  width: 1400px;
  margin: 0 auto;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.site-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-header .logo img { height: 46px; width: auto; }
.site-header .brand {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--navy);
  white-space: nowrap;
}
.site-nav { display: flex; align-items: stretch; height: 100%; }
.site-nav a {
  display: flex;
  align-items: center;
  padding: 0 24px;
  color: #1c2b5a;
  font-size: 17px;
  font-weight: 500;
  position: relative;
  transition: color .2s;
}
.site-nav a:hover { color: var(--blue); }
.site-nav a.active { background: var(--blue); color: #fff; }

/* ============ Hero ============ */
.hero {
  height: 560px;
  background:
    radial-gradient(ellipse at 82% 30%, rgba(255,150,40,.85), rgba(255,150,40,0) 45%),
    radial-gradient(ellipse at 95% 80%, rgba(240,120,20,.9), rgba(240,120,20,0) 50%),
    radial-gradient(ellipse at 55% 110%, rgba(60,90,200,.6), rgba(60,90,200,0) 55%),
    linear-gradient(100deg, #16226b 0%, #233a9e 38%, #7a63c8 62%, #e98a1e 100%);
  position: relative;
  overflow: hidden;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}
.hero::before {
  width: 340px; height: 340px;
  right: 12%; top: 16%;
  background: linear-gradient(135deg, rgba(255,255,255,.28), rgba(255,255,255,0));
}
.hero::after {
  width: 200px; height: 200px;
  right: 4%; bottom: 12%;
  background: linear-gradient(135deg, rgba(255,200,120,.5), rgba(255,255,255,0));
}
.hero .container { position: relative; z-index: 1; padding-top: 96px; }
.hero h1 {
  color: #fff;
  font-size: 58px;
  letter-spacing: 6px;
  margin-bottom: 34px;
  text-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.hero .slogan {
  color: #fff;
  font-size: 22px;
  letter-spacing: 4px;
  margin-bottom: 56px;
}
.hero .desc p {
  color: #fff;
  font-size: 20px;
  line-height: 2;
  letter-spacing: 1px;
}

/* ============ 通用版块标题 ============ */
.sec-title {
  text-align: center;
  font-size: 34px;
  letter-spacing: 3px;
  padding: 64px 0 14px;
  background: linear-gradient(180deg, #2b3f9e, #7a63c8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: bold;
}
.sec-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 6px;
  border-radius: 3px;
  background: var(--orange);
  margin: 12px auto 0;
}

/* ============ 服务三卡片 ============ */
.svc-cards {
  width: 1200px;
  margin: 40px auto 70px;
  display: flex;
  gap: 40px;
}
.svc-card {
  flex: 1;
  background: #eef3fb;
  border-radius: 14px;
  box-shadow: 0 8px 18px rgba(30, 50, 120, .16), 8px 8px 0 rgba(30,50,120,.25);
  padding: 34px 30px 40px;
}
.svc-card .ico {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--navy);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.svc-card h3 { font-size: 20px; color: #16224f; margin-bottom: 14px; }
.svc-card p { font-size: 15px; line-height: 1.95; color: #555; }

/* ============ 照片墙（HTML 网格） ============ */
.sub-band {
  text-align: center;
  font-size: 26px;
  letter-spacing: 3px;
  font-weight: bold;
  background: linear-gradient(90deg, #2b6bd8, #23c);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: 26px 0 10px;
}
.sub-band.left {
  text-align: left;
  width: 1400px;
  margin: 0 auto;
  padding: 20px 0 14px;
}
.photo-grid {
  width: 1400px;
  margin: 0 auto 30px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 34px 26px;
}
.photo-card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(20, 40, 100, .12);
  background: #fff;
}
.photo-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
}
.photo-card figcaption {
  background: linear-gradient(90deg, #3f7de0, #2b5fc0);
  color: #fff;
  font-size: 15px;
  letter-spacing: 1px;
  text-align: center;
  padding: 10px 6px;
}
.body-slice { background: #fff; }
.body-slice img { width: 100%; height: auto; }

/* ============ 页脚 ============ */
.site-footer {
  background: var(--navy);
  color: #fff;
  padding: 46px 0 40px;
}
.site-footer .footer-inner {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.site-footer .f-left p {
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 1px;
}
.site-footer .f-mid p {
  font-size: 16px;
  line-height: 2.2;
  letter-spacing: 1px;
}
.site-footer .f-qr { text-align: center; }
.site-footer .f-qr img {
  width: 96px; height: 96px;
  object-fit: cover;
  border-radius: 6px;
  margin: 0 auto 8px;
}
.site-footer .f-qr span { font-size: 13px; color: rgba(255,255,255,.85); }

/* ============ 右侧悬浮控件 ============ */
.float-widget {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fw-item { position: relative; }
.fw-btn {
  width: 64px;
  height: 64px;
  background: #3d4b9e;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: background .2s;
  text-align: center;
  line-height: 1.3;
}
.fw-btn:hover { background: var(--blue); }
.fw-btn .ico { font-size: 22px; }
.fw-btn.top-btn { height: 56px; }
.fw-pop {
  position: absolute;
  right: 76px;
  top: 0;
  background: #3d4b9e;
  color: #fff;
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.9;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
  transition: all .25s;
}
.fw-item:hover .fw-pop {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.fw-pop.qr-pop { padding: 10px; text-align: center; }
.fw-pop.qr-pop img { width: 130px; height: 130px; object-fit: cover; border-radius: 4px; margin: 0 auto; }
.fw-pop.qr-pop span { display: block; font-size: 12px; margin-top: 6px; }

/* ============ 企业介绍页 ============ */
.intro-wrap {
  width: 1300px;
  margin: 46px auto 70px;
  display: flex;
  gap: 50px;
  align-items: stretch;
}
.blue-card {
  width: 420px;
  flex-shrink: 0;
  border-radius: 24px;
  background: linear-gradient(160deg, #2f7bf0 0%, #1a53d8 60%, #1238a8 100%);
  color: #fff;
  padding: 44px 38px 50px;
  box-shadow: 0 14px 34px rgba(20, 60, 180, .35);
}
.blue-card h2 { font-size: 27px; line-height: 1.55; letter-spacing: 2px; margin-bottom: 8px; }
.blue-card .bar { width: 74px; height: 6px; background: #fff; border-radius: 3px; margin-bottom: 34px; }
.blue-card .tag {
  display: inline-block;
  border: 1.5px solid rgba(255,255,255,.85);
  border-radius: 22px;
  padding: 7px 22px;
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.blue-card .val { font-size: 19px; letter-spacing: 1px; line-height: 1.7; margin-bottom: 8px; }
.blue-card .chip-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.blue-card .chip {
  background: rgba(10, 30, 90, .55);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 16px;
  letter-spacing: 1px;
}
.intro-right { flex: 1; }
.intro-right .sec-sub {
  font-size: 28px;
  color: #1a53d8;
  font-weight: bold;
  letter-spacing: 2px;
  border-bottom: 2px solid #d6e2f5;
  padding-bottom: 14px;
  margin-bottom: 26px;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.stat-item {
  background: linear-gradient(150deg, #eaf2fd, #dbe8fa);
  border-radius: 16px;
  padding: 30px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.stat-item .s-ico {
  width: 64px; height: 64px;
  font-size: 32px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-item .num {
  font-size: 40px;
  font-weight: 800;
  color: #1a53d8;
  line-height: 1.1;
}
.stat-item .num sup { font-size: 20px; color: #2f8bf0; }
.stat-item .num small { font-size: 22px; font-weight: bold; }
.stat-item b { display: block; font-size: 18px; color: #16224f; margin-top: 4px; }
.stat-item p { font-size: 13px; color: #667; margin-top: 6px; line-height: 1.6; }

/* 优势四列 */
.adv-grid {
  width: 1300px;
  margin: 0 auto 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.adv-col {
  background: #f4f7fc;
  border-radius: 14px;
  padding: 30px 24px 34px;
  box-shadow: 0 8px 18px rgba(30, 50, 120, .10);
}
.adv-col .no {
  font-size: 52px;
  font-weight: 800;
  background: linear-gradient(180deg, #2f8bf0, #1a53d8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
  display: block;
}
.adv-col h3 {
  text-align: center;
  font-size: 21px;
  color: #1a53d8;
  letter-spacing: 3px;
  margin: 10px 0 18px;
}
.adv-col .hl {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  color: #1a53d8;
  margin: 6px 0 2px;
}
.adv-col .hl sup { font-size: 16px; color: #2f8bf0; }
.adv-col .hl small { font-size: 15px; color: #444; font-weight: bold; margin-left: 6px; }
.adv-col p, .adv-col li { font-size: 13.5px; color: #556; line-height: 1.85; }
.adv-col ul { list-style: none; margin-top: 10px; }
.adv-col ul li { padding-left: 14px; position: relative; }
.adv-col ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #2f8bf0;
}
.adv-col .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.adv-col .tags span {
  background: #fff;
  border: 1px solid #c8d8f0;
  color: #345;
  border-radius: 14px;
  padding: 4px 12px;
  font-size: 12px;
}

/* 企业优势金字塔 */
.pyramid {
  width: 900px;
  margin: 20px auto 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.pyr-level {
  color: #fff;
  text-align: center;
  padding: 16px 10px;
  border-radius: 10px;
  font-size: 18px;
  letter-spacing: 4px;
  font-weight: bold;
  box-shadow: 0 8px 18px rgba(20, 40, 100, .18);
}
.pyr-level small { display: block; font-size: 12.5px; font-weight: normal; letter-spacing: 1px; opacity: .85; margin-top: 5px; }
.pyr-1 { width: 30%; background: linear-gradient(90deg, #ff9a3c, #f07000); clip-path: polygon(18% 0, 82% 0, 100% 100%, 0 100%); }
.pyr-2 { width: 47%; background: linear-gradient(90deg, #4f8df5, #1a53d8); clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%); }
.pyr-3 { width: 64%; background: linear-gradient(90deg, #36b7c9, #1583a8); clip-path: polygon(6% 0, 94% 0, 100% 100%, 0 100%); }
.pyr-4 { width: 81%; background: linear-gradient(90deg, #2c3f9e, #16226b); clip-path: polygon(4% 0, 96% 0, 100% 100%, 0 100%); }

/* 产品矩阵页窄 Hero */
.hero-slim { height: 300px; }
.hero-slim .container { padding-top: 64px; }
.hero-slim h1 { font-size: 42px; margin-bottom: 20px; }
.hero-slim .slogan { font-size: 18px; margin-bottom: 0; }
.dark-slice { background: #0e1330; }