/* ===== 云链果域 · 大胆视觉系统 ===== */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap");

:root {
  --ink: #050d18;
  --ink-soft: #0c1a2e;
  --brand-dark: #0a2540;
  --brand: #0d3d5c;
  --brand-mid: #1a6b8f;
  --brand-light: #2d9cdb;
  --accent: #1890d4;
  --accent-bright: #2d9cdb;
  --accent-dim: rgba(24, 144, 212, 0.12);
  --gold: #f5c518;
  --gold-glow: rgba(245, 197, 24, 0.35);
  --white: #ffffff;
  --surface: #f0f4f8;
  --surface-elevated: #ffffff;
  --border: rgba(13, 61, 92, 0.12);
  --border-strong: rgba(13, 61, 92, 0.22);
  --text: #0a2540;
  --text-muted: #5a7a94;
  --highlight: var(--gold);
  --shadow-glow: 0 0 60px rgba(0, 229, 255, 0.12);
  --shadow-sm: 0 4px 24px rgba(5, 13, 24, 0.06);
  --shadow-md: 0 16px 48px rgba(5, 13, 24, 0.1);
  --shadow-lg: 0 32px 80px rgba(5, 13, 24, 0.14);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --header-h: 76px;
  --content-width: 1200px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition: 0.4s var(--ease-out);
  --font-xs: 0.8125rem;
  --font-sm: 0.9375rem;
  --font-base: 1rem;
  --font-md: 1.0625rem;
  --font-lg: 1.25rem;
  --font-xl: 1.5rem;
  --font-2xl: 2rem;
  --font-3xl: clamp(2.25rem, 5vw, 3.25rem);
  --font-display: clamp(2.5rem, 6vw, 4rem);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: var(--font-base);
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(24, 144, 212, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(245, 197, 24, 0.04) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

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

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

.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

main {
  flex: 1;
  position: relative;
  z-index: 1;
}

/* ===== 顶栏 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled,
.site-header.site-header--light {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-spring);
}

.logo:hover {
  transform: scale(1.03);
}

.logo-img {
  display: block;
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  transition: filter var(--transition);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  background: rgba(13, 61, 92, 0.06);
  border-radius: 999px;
  border: 1px solid var(--border);
}

.main-nav a {
  color: var(--text-muted);
  font-size: var(--font-sm);
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 999px;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform 0.25s var(--ease-spring);
  white-space: nowrap;
}

.main-nav a:hover {
  color: var(--brand-dark);
  background: var(--white);
  transform: translateY(-1px);
}

.main-nav a.active {
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-mid) 0%, var(--accent-bright) 100%);
  box-shadow: 0 4px 16px rgba(24, 144, 212, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: rgba(13, 61, 92, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--brand-dark);
  border-radius: 1px;
  transition: var(--transition);
}

/* ===== 子页横幅 ===== */
.page-banner {
  margin-top: var(--header-h);
  padding: 80px 0 72px;
  background: var(--white);
  color: var(--text);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.page-banner--light .page-banner-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 100% 0%, rgba(24, 144, 212, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 0% 100%, rgba(245, 197, 24, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.page-banner--light::after {
  content: "";
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(6rem, 18vw, 12rem);
  font-weight: 900;
  color: rgba(13, 61, 92, 0.04);
  letter-spacing: -0.04em;
  pointer-events: none;
  white-space: nowrap;
}

.page-banner--light .page-banner-inner {
  z-index: 1;
}

.page-banner-inner {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 28px;
}

.page-banner-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-mid);
  margin-bottom: 14px;
  font-weight: 700;
  padding: 6px 14px;
  background: var(--accent-dim);
  border-radius: 999px;
  border: 1px solid rgba(24, 144, 212, 0.2);
}

.page-banner-title {
  font-size: var(--font-display);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--brand-dark);
}

.page-banner-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 5px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 3px;
}

.page-banner-desc {
  margin-top: 18px;
  font-size: var(--font-md);
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.9;
}

/* ===== 首页 Hero ===== */
.home-hero {
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100dvh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4f9fc 55%, #eef5fa 100%);
  color: var(--text);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: orb-float 14s ease-in-out infinite;
}

.hero-orb--1 {
  width: min(560px, 75vw);
  height: min(560px, 75vw);
  top: -20%;
  right: -12%;
  background: radial-gradient(circle, rgba(24, 144, 212, 0.22) 0%, transparent 70%);
  animation-delay: 0s;
  opacity: 0.9;
}

.hero-orb--2 {
  width: min(480px, 65vw);
  height: min(480px, 65vw);
  bottom: -25%;
  left: -18%;
  background: radial-gradient(circle, rgba(26, 107, 143, 0.15) 0%, transparent 70%);
  animation-delay: -5s;
}

.hero-orb--3 {
  width: 280px;
  height: 280px;
  top: 35%;
  left: 40%;
  background: radial-gradient(circle, rgba(245, 197, 24, 0.12) 0%, transparent 70%);
  animation-delay: -8s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 61, 92, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 61, 92, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 40%, black 15%, transparent 72%);
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
  align-items: center;
  padding: 56px 0 88px;
  position: relative;
  z-index: 2;
}

.home-hero-brand {
  text-align: left;
}

.home-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin-bottom: 28px;
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-mid);
  background: var(--accent-dim);
  border: 1px solid rgba(24, 144, 212, 0.2);
  border-radius: 999px;
  animation: fade-up 0.8s var(--ease-out) both;
}

.home-hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(24, 144, 212, 0.5);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.home-hero-logo {
  display: none;
}

.home-hero-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--brand-dark);
  animation: fade-up 0.8s var(--ease-out) 0.1s both;
}

.home-hero-en {
  margin-top: 12px;
  font-size: var(--font-xs);
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
  animation: fade-up 0.8s var(--ease-out) 0.15s both;
}

.home-hero-slogan {
  display: block;
  margin-top: 24px;
  font-size: clamp(1.5rem, 4vw, var(--font-3xl));
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-mid) 45%, var(--accent-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fade-up 0.8s var(--ease-out) 0.2s both;
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
  animation: fade-up 0.8s var(--ease-out) 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: var(--font-sm);
  font-weight: 700;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), box-shadow var(--transition), background var(--transition);
}

.btn--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-mid) 0%, var(--accent-bright) 100%);
  box-shadow: 0 8px 28px rgba(24, 144, 212, 0.3);
}

.btn--primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(24, 144, 212, 0.38);
}

.btn--ghost {
  color: var(--brand-dark);
  background: var(--white);
  border: 2px solid var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--brand-mid);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.home-hero-intro-wrap {
  padding: 36px 40px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  animation: fade-up 0.9s var(--ease-out) 0.25s both;
  position: relative;
}

.home-hero-intro-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: 0 0 4px 4px;
}

.home-hero-intro {
  font-size: var(--font-md);
  color: var(--text-muted);
  line-height: 2;
  text-align: left;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: var(--font-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  z-index: 2;
  animation: fade-up 1s var(--ease-out) 0.6s both;
}

.hero-scroll-hint span {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { transform: scaleY(0.3); opacity: 0.4; transform-origin: top; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== 快捷入口 ===== */
.quick-nav {
  padding: 0 0 80px;
  margin-top: -40px;
  position: relative;
  z-index: 3;
}

.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quick-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 28px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease-spring), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.quick-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--brand-mid));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.quick-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(24, 144, 212, 0.35);
}

.quick-card:hover::before {
  transform: scaleX(1);
}

.quick-card-num {
  font-size: var(--font-2xl);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-strong);
}

.quick-card:hover .quick-card-num {
  -webkit-text-stroke-color: var(--accent);
  color: rgba(24, 144, 212, 0.08);
}

.quick-card h3 {
  font-size: var(--font-lg);
  font-weight: 800;
  color: var(--brand-dark);
}

.quick-card p {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

.quick-card-arrow {
  margin-top: auto;
  font-size: var(--font-sm);
  font-weight: 700;
  color: var(--brand-mid);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s var(--ease-out), color var(--transition);
}

.quick-card:hover .quick-card-arrow {
  gap: 12px;
  color: var(--brand-mid);
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
}

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

.section-header {
  margin-bottom: 48px;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-mid);
  margin-bottom: 12px;
}

.section-title {
  font-size: var(--font-3xl);
  font-weight: 900;
  color: var(--brand-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title--light {
  color: var(--white);
}

/* ===== 首页数据 ===== */
.stats-section {
  background: linear-gradient(180deg, var(--white) 0%, #f0f7fc 100%);
  color: var(--text);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(24, 144, 212, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.stats-section .section-eyebrow {
  display: block;
  text-align: center;
  color: var(--brand-mid);
  margin-bottom: 12px;
}

.stats-section .section-title {
  color: var(--brand-dark);
  text-align: center;
  margin-bottom: 48px;
}

.stats-overview {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  margin-bottom: 32px;
}

.stats-block {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.stats-block::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}

.stats-block-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 28px;
}

.stats-metrics {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stats-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px;
  background: #f6fafc;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease-spring), border-color var(--transition), box-shadow var(--transition);
}

.stats-metric:hover {
  transform: translateY(-4px);
  border-color: rgba(24, 144, 212, 0.35);
  box-shadow: var(--shadow-sm);
}

.stats-metric--highlight {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  padding: 32px 36px;
  background: linear-gradient(135deg, rgba(24, 144, 212, 0.1) 0%, rgba(245, 197, 24, 0.06) 100%);
  border: 1px solid rgba(24, 144, 212, 0.2);
}

.stat-num {
  font-size: clamp(2.5rem, 5vw, 3.25rem);
  font-weight: 900;
  color: var(--brand-mid);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stats-metric--highlight .stat-num {
  font-size: clamp(3.5rem, 8vw, 5rem);
  color: var(--brand-dark);
}

.stat-num[data-suffix]:not([data-suffix=""])::after {
  content: attr(data-suffix);
  font-size: 0.45em;
  color: var(--gold);
  margin-left: 4px;
}

.stat-unit {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

.stats-metric--highlight .stat-unit {
  color: var(--text);
  font-size: var(--font-md);
}

.stats-desc {
  margin-bottom: 40px;
  padding: 28px 36px;
  font-size: var(--font-md);
  line-height: 1.95;
  color: var(--text-muted);
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.awards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.award-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 36px 28px;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease-spring), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.award-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245, 197, 24, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.award-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(245, 197, 24, 0.5);
  box-shadow: var(--shadow-lg);
}

.award-card:hover::before {
  opacity: 1;
}

.award-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  line-height: 1;
  /* background: linear-gradient(135deg, var(--gold) 0%, #e8a820 100%); */
  border-radius: 50%;
  /* box-shadow: 0 8px 24px var(--gold-glow); */
  position: relative;
  z-index: 1;
}

.award-text strong {
  display: block;
  font-size: var(--font-md);
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.4;
  position: relative;
  z-index: 1;
}

/* ===== 企业文化 ===== */
.section-culture {
  padding: 80px 0 96px;
  background: linear-gradient(180deg, #f8fbfd 0%, var(--white) 100%);
}

.culture-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 24px;
}

.culture-card {
  display: flex;
  flex-direction: column;
  padding: 36px 32px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.45s var(--ease-spring), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.culture-card--feature {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 40px;
  padding: 48px 52px;
  background: linear-gradient(135deg, var(--white) 0%, #eef6fb 100%);
  border-color: rgba(24, 144, 212, 0.2);
}

.culture-card-index {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(13, 61, 92, 0.1);
  pointer-events: none;
}

.culture-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(24, 144, 212, 0.25);
}

.culture-card:hover .culture-card-index {
  -webkit-text-stroke-color: rgba(24, 144, 212, 0.25);
  color: rgba(24, 144, 212, 0.06);
}

.culture-icon {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: linear-gradient(145deg, var(--accent-dim) 0%, rgba(255, 255, 255, 0.9) 100%);
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease-spring);
}

.culture-card--feature .culture-icon {
  width: 120px;
  height: 120px;
}

.culture-card:hover .culture-icon {
  transform: scale(1.08) rotate(-4deg);
}

.culture-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.culture-card-body {
  flex: 1;
  min-width: 0;
}

.culture-card h3 {
  font-size: var(--font-xl);
  font-weight: 800;
  color: var(--brand-dark);
  margin-bottom: 12px;
}

.culture-quote {
  font-size: var(--font-md);
  font-weight: 600;
  color: var(--brand-mid);
  line-height: 1.7;
  margin-bottom: 8px;
}

.culture-desc {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.85;
  margin-top: 12px;
}

.culture-card:not(.culture-card--feature) {
  align-items: center;
  text-align: center;
}

.culture-card:not(.culture-card--feature) .culture-icon {
  margin-bottom: 4px;
}

/* ===== 业务服务 ===== */
.section-business {
  padding: 56px 0 100px;
  background: linear-gradient(180deg, var(--white) 0%, #f4f9fc 50%, var(--white) 100%);
}

.biz-block--bold {
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.biz-block--bold .biz-block-header {
  padding-bottom: 20px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--border);
}

.biz-block--bold .biz-panel {
  border: none;
  box-shadow: none;
  padding: 0;
  background: transparent;
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  font-size: var(--font-xs);
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-mid), var(--accent-bright));
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.business-layout {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.section-business .biz-block-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-bottom: 24px;
}

.biz-subtitle {
  font-size: var(--font-2xl);
  font-weight: 900;
  color: var(--brand-dark);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  letter-spacing: -0.02em;
}

.biz-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 48px;
  padding: 0 10px;
  color: var(--white);
  font-weight: 900;
  font-size: var(--font-md);
  background: linear-gradient(135deg, var(--brand-mid) 0%, var(--accent-bright) 100%);
  border: none;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(24, 144, 212, 0.25);
}

.biz-lead {
  margin: 0;
  font-size: var(--font-xs);
  font-weight: 700;
  color: var(--brand-mid);
  padding: 8px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  letter-spacing: 0.06em;
}

.section-business .biz-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.section-business .biz-panel--single {
  padding: 0;
  overflow: hidden;
}

.section-business .biz-panel--single .biz-card {
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 40px 44px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, transparent 60%);
}

.section-business .product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 0;
}

.section-business .product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease-spring), box-shadow var(--transition), border-color var(--transition);
}

.section-business .product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(24, 144, 212, 0.35);
}

.section-business .product-img-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  min-height: 260px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--white) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 24px;
}

.section-business .product-img-wrap img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.5s var(--ease-out);
}

.section-business .product-card:hover .product-img-wrap img {
  transform: scale(1.08);
}

.section-business .product-body {
  flex: 1;
  padding: 24px 28px 28px;
  background: var(--white);
}

.section-business .product-body h4 {
  font-size: var(--font-lg);
  font-weight: 800;
  color: var(--brand-dark);
  margin-bottom: 10px;
}

.section-business .product-body p {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.85;
}

.section-business .tools-block {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px dashed var(--border-strong);
}

.section-business .tools-title {
  font-size: var(--font-lg);
  font-weight: 800;
  color: var(--brand-dark);
  margin-bottom: 24px;
}

.section-business .tools-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  counter-reset: service-type;
}

.section-business .tools-list li {
  counter-increment: service-type;
  position: relative;
  padding: 24px 20px 24px 56px;
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.85;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease-spring), border-color var(--transition);
}

.section-business .tools-list li:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.3);
}

.section-business .tools-list li::before {
  content: counter(service-type, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: var(--font-xs);
  font-weight: 800;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-mid), var(--accent-bright));
  border-radius: 50%;
}

.section-business .tools-list strong {
  display: block;
  color: var(--brand-dark);
  font-weight: 700;
  margin-bottom: 8px;
  font-size: var(--font-md);
}

.section-business .biz-card {
  padding: 32px 36px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease-spring), box-shadow var(--transition), background var(--transition);
}

.section-business .biz-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.biz-card h4 {
  font-size: var(--font-lg);
  font-weight: 800;
  color: var(--brand-dark);
  margin-bottom: 12px;
}

.biz-card p {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.9;
}

.section-business .synergy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.section-business .synergy-grid .biz-card {
  height: 100%;
  padding: 40px;
  background: linear-gradient(145deg, var(--white) 0%, var(--surface) 100%);
  position: relative;
}

.biz-card--ai {
  background: linear-gradient(145deg, #eef6fb 0%, var(--white) 60%) !important;
  border-color: rgba(24, 144, 212, 0.25) !important;
}

.biz-card-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 6px 12px;
  font-size: var(--font-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
  background: linear-gradient(135deg, var(--brand-mid), var(--accent-bright));
  border-radius: 6px;
}

/* ===== 发展时间线 ===== */
.section-dev {
  padding: 80px 0 100px;
  background: var(--white);
}

.timeline--bold {
  max-width: 960px;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 0;
}

.timeline-year {
  display: none;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--accent), var(--brand-mid), var(--border-strong));
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 48px 48px 0;
  margin-left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 48px 48px;
  text-align: left;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: auto;
  right: -11px;
  top: 6px;
  width: 22px;
  height: 22px;
  background: var(--white);
  border: 3px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--accent-dim), 0 0 20px rgba(0, 229, 255, 0.4);
  z-index: 1;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -11px;
  right: auto;
}

.timeline-future .timeline-marker {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 6px var(--gold-glow), 0 0 24px var(--gold-glow);
  animation: pulse-dot 2s ease-in-out infinite;
}

.timeline-content {
  display: inline-block;
  max-width: 100%;
  padding: 28px 32px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: inherit;
  transition: transform 0.4s var(--ease-spring), box-shadow var(--transition);
}

.timeline-item:hover .timeline-content {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.timeline-content time {
  display: inline-block;
  font-size: var(--font-xl);
  font-weight: 900;
  color: var(--brand-mid);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.timeline-future .timeline-content {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-mid) 100%);
  border: none;
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.timeline-future .timeline-content time {
  color: var(--gold);
  font-size: var(--font-2xl);
  letter-spacing: 0.12em;
}

.timeline-future .timeline-content p {
  color: rgba(255, 255, 255, 0.85);
}

.timeline-content p {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.9;
}

.timeline-content p + p {
  margin-top: 8px;
}

.timeline--bold .timeline-content {
  padding: 32px 40px;
  border-left: 4px solid transparent;
  transition: border-color var(--transition), transform 0.4s var(--ease-spring), box-shadow var(--transition);
}

.timeline--bold .timeline-item:hover .timeline-content {
  border-left-color: var(--accent);
}

.timeline--bold .timeline-content time {
  font-size: var(--font-2xl);
  background: linear-gradient(135deg, var(--brand-mid), var(--accent-bright));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.timeline--bold .timeline-future .timeline-content time {
  -webkit-text-fill-color: initial;
  color: var(--gold);
  background: none;
}

/* ===== 页脚联系 ===== */
.site-footer {
  margin-top: auto;
  padding: 0 0 32px;
  background: linear-gradient(180deg, #f0f7fc 0%, var(--white) 30%);
  color: var(--text);
  position: relative;
  overflow: hidden;
}

.contact-wave {
  height: 80px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0,40 C360,80 720,0 1080,40 C1260,60 1380,50 1440,40 L1440,80 L0,80 Z'/%3E%3C/svg%3E") center bottom / 100% 100% no-repeat;
  margin-bottom: -1px;
}

.contact-section {
  padding: 0;
}

.contact-inner {
  text-align: left;
  padding-top: 48px;
  position: relative;
  z-index: 1;
}

.contact-header {
  margin-bottom: 40px;
  max-width: 640px;
}

.contact-header .section-eyebrow {
  display: block;
  margin-bottom: 10px;
}

.contact-title {
  font-size: var(--font-3xl);
  font-weight: 900;
  color: var(--brand-dark);
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.contact-lead {
  font-size: var(--font-md);
  color: var(--text-muted);
  line-height: 1.85;
  margin: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px 36px;
  align-items: stretch;
  margin-bottom: 36px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  font-size: var(--font-sm);
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-spring), border-color var(--transition), box-shadow var(--transition);
}

.contact-item:hover {
  transform: translateY(-4px);
  border-color: rgba(24, 144, 212, 0.35);
  box-shadow: var(--shadow-md);
}

.contact-item--phone {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(24, 144, 212, 0.08) 0%, rgba(245, 197, 24, 0.05) 100%);
  border-color: rgba(24, 144, 212, 0.2);
  padding: 28px 32px;
}

.contact-label {
  flex-shrink: 0;
  font-weight: 700;
  font-size: var(--font-xs);
  color: var(--brand-mid);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-value {
  color: var(--text);
  font-weight: 500;
}

a.contact-value:hover {
  color: var(--accent);
}

.contact-value--lg {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--brand-dark);
  letter-spacing: 0.02em;
}

.contact-item--phone .contact-value--lg:hover {
  color: var(--brand-mid);
}

.contact-wechat {
  width: 340px;
  flex-shrink: 0;
  text-align: center;
  padding: 32px 28px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact-wechat-text {
  font-size: var(--font-sm);
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 20px;
}

.contact-wechat-text .highlight {
  color: var(--brand-mid);
  font-weight: 700;
}

.contact-vx-img {
  width: 100%;
  max-width: 260px;
  min-width: 200px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 10px;
  background: #fafbfc;
}

.copyright {
  font-size: var(--font-xs);
  color: var(--text-muted);
  padding-top: 28px;
  border-top: 1px solid var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
}

/* ===== 滚动显现 ===== */
.reveal {
  opacity: 1;
  transform: none;
}

.reveal.animate {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.4s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .home-hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 100px;
  }

  .quick-nav-grid {
    grid-template-columns: 1fr;
  }

  .culture-showcase {
    grid-template-columns: 1fr;
  }

  .culture-card--feature {
    flex-direction: column;
    text-align: center;
    padding: 36px 28px;
  }

  .biz-block--bold {
    padding: 24px 20px;
  }

  .stats-metrics {
    grid-template-columns: 1fr;
  }

  .stats-metric--highlight {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 900px) {
  .stats-overview {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 18px;
    transform: none;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 40px 52px;
    text-align: left;
  }

  .timeline-marker,
  .timeline-item:nth-child(even) .timeline-marker {
    left: 8px;
    right: auto;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .contact-wechat {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 24px;
    text-align: left;
  }

  .contact-wechat-text {
    flex: 1;
    margin: 0;
  }

  .contact-vx-img {
    width: 200px;
    min-width: 180px;
    max-width: none;
    flex-shrink: 0;
    margin: 0;
  }

  .section-business .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 16px;
    right: 16px;
    flex-direction: column;
    gap: 4px;
    background: var(--white);
    padding: 12px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px) scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .main-nav.open {
    transform: translateY(0) scale(1);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    width: 100%;
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .culture-showcase {
    grid-template-columns: 1fr;
  }

  .section-business .synergy-grid {
    grid-template-columns: 1fr;
  }

  .section-business .tools-list {
    grid-template-columns: 1fr;
  }

  .section-business .biz-panel {
    padding: 20px;
  }

  .contact-info {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    padding: 24px 20px;
  }

  .contact-wechat {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .contact-wechat-text {
    flex: none;
  }

  .contact-vx-img {
    width: min(100%, 280px);
    min-width: 240px;
    margin: 0 auto;
  }

  .page-banner {
    padding: 56px 0 48px;
  }

  .awards-row {
    grid-template-columns: 1fr;
  }

  .home-hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .home-hero-intro-wrap {
    padding: 28px 24px;
  }
}

@media (min-width: 1100px) {
  .section-business .product-img-wrap {
    height: 280px;
    min-height: 280px;
  }
}