:root {
  --bg: #f6f8fb;
  --bg-2: #eef4ff;
  --text: #172033;
  --muted: #667085;
  --line: #e6ebf2;
  --primary: #0b63ce;
  --primary-2: #0f4ea2;
  --accent: #ff7a1a;
  --dark: #07152f;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(14, 35, 75, 0.12);
  --radius: 22px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: var(--white);
}

.section-title {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-title .eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-title h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
}

.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(230, 235, 242, 0.9);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.logo img {
  height: 34px;
  width: auto;
}

.logo span {
  color: var(--dark);
  font-size: 18px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: #344054;
  font-size: 15px;
  font-weight: 600;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: var(--bg-2);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--primary);
  font-weight: 700;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--bg-2);
  color: var(--primary);
  border-radius: 12px;
  padding: 9px 12px;
  font-weight: 800;
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(110deg, rgba(7, 21, 47, 0.94), rgba(11, 99, 206, 0.78)),
    url("https://www.ginghan.com/resources/uploads/banner-index-1.jpg") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -220px auto;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 42px;
  align-items: center;
  min-height: 720px;
  padding: 130px 0 90px;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero h111 {
  margin: 0 0 20px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  height: 2.16em;                 /* 严格固定两行高 */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.hero p {
  max-width: 680px;
  margin: 0 0 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
}

.btn.primary {
  color: var(--white);
  background: var(--accent);
}

.btn.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(255, 255, 255, 0.1);
}

.hero-card {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(18px);
}

.hero-card h3 {
  margin: 0 0 16px;
  font-size: 22px;
}

.hero-card ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-card li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-card strong {
  color: var(--white);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: -42px;
  position: relative;
  z-index: 5;
}

.stat {
  padding: 24px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
  text-align: center;
}

.stat b {
  display: block;
  color: var(--primary);
  font-size: 34px;
  line-height: 1;
}

.stat span {
  color: var(--muted);
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.cards-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid.cards-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 28px rgba(14, 35, 75, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.card-body {
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.card p {
  margin: 0 0 18px;
  color: var(--muted);
}

.card a {
  color: var(--primary);
  font-weight: 800;
}

.feature-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: center;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, #0b63ce, #0f2d73);
  color: var(--white);
}

.feature-panel img {
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
}

.feature-panel h2 {
  margin: 0 0 14px;
  font-size: 34px;
  line-height: 1.22;
}

.feature-panel p {
  margin: 0 0 20px;
  color: rgba(255, 255, 255, 0.82);
}

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.step {
  padding: 24px;
  border-radius: 22px;
  background: var(--white);
  border: 1px solid var(--line);
}

.step span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  border-radius: 50%;
  color: var(--white);
  background: var(--primary);
  font-weight: 900;
}

.step h3 {
  margin: 0 0 8px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.page-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/banner-index-2.jpg") center / cover no-repeat;
}

.page-hero-ai {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/banner-index-4.jpg") center / cover no-repeat;
}

.page-hero-solution {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/banner-index-1.jpg") center / cover no-repeat;
}

.page-hero-product {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/banner-package-1.jpg") center / cover no-repeat;
}

.page-hero-case {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/page-case-view-11-image-1.jpg") center / cover no-repeat;
}

.page-hero-service {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/page-service-cat-1-banner-1.jpg") center / cover no-repeat;
}

.page-hero-contact {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(7, 21, 47, 0.74), rgba(7, 21, 47, 0.58)),
    url("https://www.ginghan.com/resources/uploads/page-service-cat-1-suggest-1.jpg") center / cover no-repeat;
}



.page-hero-inner {
  padding: 120px 0 100px;
  text-align: center;
}

.page-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 58px);
}

.page-hero h11 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.15;
  position: relative;
}

.page-hero h11::before {
  content: "";
  display: inline-block;
  height: 2.3em;        /* 2行高度 */
  vertical-align: middle;
}

.page-hero h111 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.15;
  height: 2.3em;              /* 严格固定 */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.page-hero p {
  max-width: 760px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.breadcrumbs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.9);
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}

.intro img {
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.intro h2 {
  margin: 0 0 16px;
  font-size: 36px;
  line-height: 1.25;
}

.intro p {
  margin: 0 0 16px;
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  gap: 10px;
  color: #344054;
}

.check-list li::before {
  content: "✓";
  color: var(--primary);
  font-weight: 900;
}

.contact-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.contact-info {
  padding: 30px;
  border-radius: 28px;
  background: var(--dark);
  color: var(--white);
}

.contact-info h3 {
  margin: 0 0 16px;
}

.contact-info p {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-info a {
  color: var(--white);
  font-weight: 800;
}

.form {
  display: grid;
  gap: 14px;
  padding: 30px;
  border-radius: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

.form textarea {
  min-height: 130px;
  resize: vertical;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--primary);
}

.footer {
  color: rgba(255, 255, 255, 0.78);
  background: #07152f;
}

.footer-inner {
  padding: 54px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.9fr;
  gap: 28px;
}

.footer h4,
.footer h5 {
  margin: 0 0 16px;
  color: var(--white);
}

.footer p {
  margin: 0 0 12px;
}

.footer ul {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.footer-bottom {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

.cta {
  padding: 54px;
  border-radius: 32px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11, 99, 206, 0.96), rgba(7, 21, 47, 0.94)),
    url("https://www.ginghan.com/resources/uploads/banner-anquan-1.jpg") center / cover no-repeat;
  text-align: center;
}

.cta h2 {
  margin: 0 0 12px;
  font-size: 34px;
}

.cta p {
  max-width: 760px;
  margin: 0 auto 24px;
  color: rgba(255, 255, 255, 0.84);
}

@media (max-width: 980px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 86px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    border-radius: 12px;
  }

  .header-cta {
    display: none;
  }

  .hero-inner,
  .intro,
  .feature-panel,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .grid.cards-3,
  .grid.cards-4,
  .grid.cards-2,
  .stats,
  .process,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .header-inner {
    height: 68px;
  }

  .logo span {
    display: none;
  }

  .hero-inner,
  .page-hero-inner {
    padding-top: 64px;
  }

  .hero-card,
  .feature-panel,
  .cta {
    padding: 22px;
    border-radius: 24px;
  }

  .section {
    padding: 62px 0;
  }

  .grid.cards-3,
  .grid.cards-4,
  .grid.cards-2,
  .stats,
  .process,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .card img {
    height: 180px;
  }
}


/* ============================================================
   颜色重搭配覆盖层 —— 仅修改配色，背景图/产品图/logo 全部原样
   ============================================================ */
:root{
  --bg:#030014;
  --bg-2:rgba(255,255,255,.07);
  --text:#ffffff;
  --muted:#b4b6d4;
  --line:rgba(255,255,255,.10);
  --primary:#2EA7FF;
  --primary-2:#9381FF;
  --accent:#13DDC4;
  --dark:#0a0820;
  --white:#ffffff;
  --shadow:0 18px 45px rgba(0,0,0,.45);
  --grad:linear-gradient(100deg,#2EA7FF,#9381FF 55%,#13DDC4);
}
/* 页面底色 + aurora 光晕（不覆盖任何图片/背景图） */
body{background:var(--bg);color:var(--text)}
body::before,body::after{content:"";position:fixed;z-index:-2;border-radius:50%;filter:blur(90px);pointer-events:none}
body::before{width:760px;height:760px;top:-180px;left:-160px;background:radial-gradient(circle,rgba(46,167,255,.40),transparent 70%)}
body::after{width:680px;height:680px;top:200px;right:-140px;background:radial-gradient(circle,rgba(147,129,255,.34),transparent 70%)}
/* 原白色区块 -> 深色玻璃 */
.section.alt{background:rgba(255,255,255,.03)}
/* 头部 */
.header{background:rgba(3,0,20,.62);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.logo span{color:#fff}
.nav a{color:rgba(255,255,255,.72)}
.nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.08)}
.menu-toggle{background:rgba(255,255,255,.08);color:#fff}
/* 按钮：统一渐变 + 深字，保持高对比 */
.btn.primary,.header-cta{background:var(--grad);color:#04122b;box-shadow:0 10px 28px rgba(46,167,255,.40)}
.btn.light{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
/* 统计卡 */
.stat{background:rgba(255,255,255,.04);border:1px solid var(--line);box-shadow:none}
.stat b{color:var(--primary)}
/* 卡片 */
.card{background:rgba(255,255,255,.04);border-color:var(--line);box-shadow:none}
.card p{color:var(--muted)}
.card a{color:var(--primary)}
.card:hover{box-shadow:0 16px 40px rgba(0,0,0,.4)}
/* 流程步骤 */
.step{background:rgba(255,255,255,.04);border-color:var(--line)}
.step span{background:var(--grad);color:#04122b}
.step p{color:var(--muted)}
/* 特征面板（保留其中的产品图不变） */
.feature-panel{background:linear-gradient(135deg,#0a2a4a,#1a1147);color:#fff}
.feature-panel p{color:rgba(255,255,255,.82)}
/* 清单 */
.check-list li{color:rgba(255,255,255,.82)}
.check-list li::before{color:var(--primary)}
/* 表单 */
.form{background:rgba(255,255,255,.04);border-color:var(--line)}
.form input,.form textarea{background:rgba(0,0,0,.30);border-color:var(--line);color:#fff}
.form input:focus,.form textarea:focus{border-color:var(--primary)}
/* CTA 面板（保留背景图不变，仅调色） */
.cta{background:linear-gradient(135deg,rgba(46,167,255,.92),rgba(147,129,255,.88)),url("https://www.ginghan.com/resources/uploads/banner-anquan-1.jpg") center/cover no-repeat}
/* 页脚（已是深色，仅确保底色统一） */
.footer{background:#0a0820}
.footer-addr{margin-top:8px;color:var(--muted);font-size:13px;line-height:1.6}
/* 移动端抽屉底色 */
@media (max-width:980px){
  .nav{background:rgba(3,0,20,.97)}
  .nav a{color:rgba(255,255,255,.82)}
}