/* /skin/css/css.css */
/* 重置 & 全局变量 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --ggt-blue: #1e5fd9;
  --ggt-blue-deep: #0b2b5e;
  --ggt-blue-light: #e8f0fe;
  --ggt-dark: #1a1f2b;
  --ggt-gray-1: #2d3748;
  --ggt-gray-2: #4a5568;
  --ggt-gray-3: #718096;
  --ggt-gray-bg: #f7f9fc;
  --ggt-white: #ffffff;
  --ggt-shadow: 0 12px 28px rgba(0, 20, 50, 0.08);
  --ggt-radius-card: 20px;
  --ggt-radius-sm: 12px;
  --ggt-font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --ggt-transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
}

body {
  font-family: var(--ggt-font-sans);
  background-color: var(--ggt-white);
  color: var(--ggt-gray-1);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* 容器 */
.ggt-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 前缀 ggt- 全局 */
.ggt-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid rgba(0, 40, 100, 0.06);
}

.ggt-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.ggt-logo img {
  display: block;
  height: 40px;
  width: auto;
}

.ggt-nav-menu {
  display: flex;
  list-style: none;
  gap: 2.2rem;
}

.ggt-nav-link {
  text-decoration: none;
  font-weight: 500;
  color: var(--ggt-gray-1);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: var(--ggt-transition);
  font-size: 1rem;
}

.ggt-nav-link:hover,
.ggt-nav-link.ggt-active {
  color: var(--ggt-blue);
  border-bottom-color: var(--ggt-blue);
}

/* 左侧悬浮条 */
.ggt-float-bar {
  position: fixed;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--ggt-white);
  padding: 10px 6px;
  border-radius: 48px;
  box-shadow: 0 8px 24px rgba(0, 45, 100, 0.12);
  border: 1px solid rgba(30, 95, 217, 0.15);
}

.ggt-float-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--ggt-blue);
  color: white;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: 0.15s;
  box-shadow: 0 4px 8px rgba(30, 95, 217, 0.3);
}

.ggt-float-item.ggt-float-kf {
  background: #0b2b5e;
}

.ggt-float-text {
  margin-top: 2px;
}

/* Hero Section (禁止纯平/渐变) */
.ggt-hero {
  position: relative;
  background-color: #0c1a2f;  /* 深蓝基底 */
  background-image: radial-gradient(circle at 20% 30%, rgba(35, 90, 200, 0.12) 0%, transparent 40%),
                    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0px, rgba(255,255,255,0.02) 2px, transparent 2px, transparent 8px);
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 40px 0;
  isolation: isolate;
  overflow: hidden;
}

.ggt-hero-bg {
  position: absolute;
  inset: 0;
  background: url('/skin/img/banner20260423MxUv2.webp') center/cover no-repeat;
  opacity: 0.2;
  mix-blend-mode: overlay;
  z-index: 0;
}

.ggt-hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  text-align: left;  /* 非完美居中，偏左引导 */
}

.ggt-hero-logo-badge {
  margin-bottom: 28px;
}

.ggt-hero-logo-icon {
  width: 88px;
  height: 88px;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.2));
  background: rgba(255,255,255,0.05);
  border-radius: 24px;
  padding: 8px;
  backdrop-filter: blur(4px);
}

.ggt-hero-title {
  font-size: 3.2rem;
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: 18px;
  max-width: 700px;
  letter-spacing: -0.01em;
}

.ggt-hero-sub {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
}

.ggt-hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.ggt-btn {
  display: inline-block;
  padding: 14px 36px;
  font-weight: 600;
  border-radius: 60px;
  text-decoration: none;
  transition: var(--ggt-transition);
  font-size: 1.1rem;
  border: 2px solid transparent;
  cursor: pointer;
}

.ggt-btn-primary {
  background: var(--ggt-blue);
  color: white;
  box-shadow: 0 8px 20px rgba(30, 95, 217, 0.4);
}

.ggt-btn-primary:hover {
  background: #0e4ab9;
  transform: scale(1.02);
}

.ggt-btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: white;
  backdrop-filter: blur(6px);
}

.ggt-btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
}

.ggt-hero-illustration {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 50%;
  height: 100%;
  background: url('/skin/img/banner20260423h9UQ2.webp') right bottom/contain no-repeat;
  opacity: 0.55;
  z-index: 1;
  pointer-events: none;
}

/* 通用 section */
.ggt-section {
  padding: 80px 0;
  background-color: var(--ggt-white);
}

.ggt-section:nth-of-type(even) {
  background-color: #fbfdff; /* 轻微区分，非纯平 */
  background-image: linear-gradient(0deg, rgba(30,95,217,0.02) 0%, transparent 30%);
}

.ggt-section-header {
  margin-bottom: 48px;
}

.ggt-section-title {
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--ggt-dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.ggt-section-desc {
  font-size: 1.1rem;
  color: var(--ggt-gray-3);
}

/* 网格 */
.ggt-grid {
  display: grid;
  gap: 28px;
}
.ggt-grid-5 { grid-template-columns: repeat(5,1fr); }
.ggt-grid-4 { grid-template-columns: repeat(4,1fr); }
.ggt-grid-3 { grid-template-columns: repeat(3,1fr); }

.ggt-service-card {
  background: var(--ggt-white);
  padding: 32px 16px;
  border-radius: var(--ggt-radius-card);
  box-shadow: var(--ggt-shadow);
  border: 1px solid #edf2f7;
  text-align: center;
  transition: var(--ggt-transition);
}
.ggt-service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 30px rgba(0,0,0,0.06); }
.ggt-service-icon { font-size: 2.8rem; margin-bottom: 16px; } /* 少量文本图形，非emoji风格使用系统图形 */
.ggt-service-card h3 { font-size: 1.4rem; margin-bottom: 8px; }

.ggt-industry-tags {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  justify-content: center;
}
.ggt-tag {
  background: var(--ggt-blue-light);
  color: var(--ggt-blue-deep);
  padding: 8px 20px;
  border-radius: 40px;
  font-weight: 500;
}

/* 覆盖卡片 */
.ggt-coverage-card {
  background: var(--ggt-white);
  padding: 32px 24px;
  border-radius: 24px;
  box-shadow: var(--ggt-shadow);
  border-left: 6px solid var(--ggt-blue);
}
.ggt-coverage-card h3 { font-size: 1.6rem; margin-bottom: 12px; }
.ggt-card-decoration { display: block; width: 50px; height: 3px; background: var(--ggt-blue); margin-top: 20px; opacity: 0.6; }

/* 流程 */
.ggt-process-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  background: #f9fbfe;
  padding: 30px 20px;
  border-radius: 60px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.02);
}
.ggt-step-item {
  text-align: center;
  min-width: 100px;
}
.ggt-step-num {
  width: 48px;
  height: 48px;
  background: var(--ggt-blue);
  color: white;
  border-radius: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-weight: 700;
  font-size: 1.2rem;
}
.ggt-step-arrow {
  font-size: 2rem;
  color: var(--ggt-blue);
  font-weight: 300;
}
.ggt-step-item h4 { margin-bottom: 4px; }

/* 案例网格 */
.ggt-case-card {
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 12px 28px -8px rgba(0,0,0,0.08);
  border: 1px solid #eef2f6;
  transition: var(--ggt-transition);
}
.ggt-case-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9/16;
  object-fit: cover;
}
.ggt-case-label {
  display: block;
  padding: 14px;
  font-weight: 600;
  background: white;
}

/* 资讯 */
.ggt-news-card {
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--ggt-shadow);
}
.ggt-news-card img { width: 100%; height: 200px; object-fit: cover; }
.ggt-news-content { padding: 22px; }
.ggt-news-date { color: var(--ggt-gray-3); font-size: 0.9rem; }

/* 关于 */
.ggt-about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
}
.ggt-about-lead { font-size: 1.3rem; margin-bottom: 20px; }
.ggt-about-contact { margin-top: 30px; background: #f4f7fd; padding: 24px; border-radius: 24px; }

/* 页脚 */
.ggt-footer {
  background: #0b1423;
  color: #b0c4de;
  padding: 56px 0 32px;
  position: relative;
  background-image: radial-gradient(circle at 10% 20%, #1e3a6b 0%, transparent 40%);
}
.ggt-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.ggt-footer-logo { filter: brightness(0) invert(1); opacity: 0.9; margin-bottom: 20px; }
.ggt-copyright { margin-top: 20px; font-size: 0.9rem; opacity: 0.7; }
.ggt-footer-qr { text-align: center; }
.ggt-qr-placeholder img { border-radius: 16px; background: white; padding: 6px; }

/* 响应式 */
@media (max-width: 1024px) {
  .ggt-grid-5 { grid-template-columns: repeat(3,1fr); }
  .ggt-grid-4 { grid-template-columns: repeat(2,1fr); }
  .ggt-process-steps { justify-content: center; }
  .ggt-step-arrow { display: none; }
  .ggt-about-grid { grid-template-columns: 1fr; }
  .ggt-hero-title { font-size: 2.5rem; }
}
@media (max-width: 768px) {
  .ggt-nav-menu { gap: 1rem; font-size: 0.9rem; }
  .ggt-header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .ggt-grid-5, .ggt-grid-3 { grid-template-columns: 1fr 1fr; }
  .ggt-hero-content { text-align: left; }
  .ggt-float-bar { left: 8px; }
}
@media (max-width: 480px) {
  .ggt-grid-5, .ggt-grid-4, .ggt-grid-3 { grid-template-columns: 1fr; }
  .ggt-hero-title { font-size: 2rem; }
}