/* ==========================================================================
   深圳市哈尼丝科技有限公司 · 官网样式
   设计语言：深蓝科技感 + 亮蓝渐变，点阵质感的品牌延续
   ========================================================================== */

:root {
  --brand-navy: #0A2B6B;
  --brand-navy-deep: #06183C;
  --brand-navy-mid: #0E357F;
  --brand-blue: #1E7BFF;
  --brand-cyan: #00C2FF;
  --brand-cyan-light: #46E0FF;

  --ink-900: #0B1220;
  --ink-800: #16203A;
  --ink-700: #2B3754;
  --ink-600: #47546F;
  --ink-500: #6B7897;
  --ink-400: #96A2BC;
  --ink-300: #C3CCDD;

  --bg-white: #FFFFFF;
  --bg-soft: #F5F8FD;
  --bg-soft-2: #EDF3FC;
  --line: #E2E9F5;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;

  --shadow-sm: 0 2px 10px rgba(10, 43, 107, 0.05);
  --shadow: 0 10px 30px rgba(10, 43, 107, 0.08);
  --shadow-lg: 0 22px 55px rgba(10, 43, 107, 0.13);

  --container: 1200px;
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-800);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--brand-navy);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ==========================================================================
   导航
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(226, 233, 245, 0.9);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-img { height: 30px; width: auto; }
.logo-name {
  font-size: 12.5px;
  color: var(--ink-500);
  font-weight: 500;
  letter-spacing: 0.02em;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links > a,
.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 15px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-links > a:hover,
.nav-dropdown-toggle:hover { color: var(--brand-blue); background: rgba(30, 123, 255, 0.06); }
.nav-active { color: var(--brand-blue) !important; }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle .arr {
  display: inline-block;
  margin-left: 5px;
  font-size: 10px;
  transition: transform 0.25s;
  opacity: 0.6;
}
.nav-dropdown:hover .nav-dropdown-toggle .arr { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 214px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
  transition: background 0.18s, color 0.18s, padding-left 0.18s;
}
.nav-dropdown-menu a:hover {
  background: var(--bg-soft);
  color: var(--brand-blue);
  padding-left: 18px;
}

.btn-nav {
  margin-left: 10px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan)) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 0 22px !important;
  box-shadow: 0 6px 18px rgba(30, 123, 255, 0.28);
}
.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(30, 123, 255, 0.36);
}

/* 汉堡（纯 CSS） */
.nav-toggle-box {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink-800);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle-box:checked ~ .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle-box:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle-box:checked ~ .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   通用组件
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s, color 0.2s;
  font-family: inherit;
}
.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  box-shadow: 0 8px 22px rgba(30, 123, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(30, 123, 255, 0.4);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--brand-blue);
  border-color: var(--brand-blue);
}
.btn-outline:hover { background: var(--brand-blue); color: #fff; }
.btn-block { width: 100%; }

.section { padding: 104px 0; }
.section-alt { background: var(--bg-soft); }

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 62px;
}

.section-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand-blue);
  background: rgba(30, 123, 255, 0.09);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.section-tag.light {
  color: var(--brand-cyan-light);
  background: rgba(70, 224, 255, 0.13);
}

.section-title {
  font-size: 40px;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin-bottom: 18px;
}
.section-desc {
  font-size: 16.5px;
  color: var(--ink-500);
  line-height: 1.78;
}

.gradient-text {
  background: linear-gradient(120deg, var(--brand-cyan) 0%, var(--brand-blue) 55%, #6C5BFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--brand-blue);
}
.accent-text { color: var(--brand-blue); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 92px) 0 88px;
  background:
    radial-gradient(1100px 620px at 78% 8%, rgba(30, 123, 255, 0.34), transparent 62%),
    radial-gradient(900px 520px at 12% 92%, rgba(0, 194, 255, 0.24), transparent 60%),
    linear-gradient(160deg, var(--brand-navy-deep) 0%, var(--brand-navy) 48%, #0B2E70 100%);
  color: #fff;
  overflow: hidden;
}

/* 点阵网格纹理 —— 呼应 logo 的点阵质感 */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.13) 1.2px, transparent 1.2px);
  background-size: 30px 30px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.85), transparent 78%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.hero-glow-a {
  width: 420px; height: 420px;
  background: rgba(0, 194, 255, 0.3);
  top: -130px; right: -90px;
}
.hero-glow-b {
  width: 360px; height: 360px;
  background: rgba(108, 91, 255, 0.26);
  bottom: -160px; left: -70px;
}

/* ============================================================
   Hero Banner 图版式 —— 图片即背景，文字直接压图
   无蓝色底色 / 无网格纹理 / 无发光球，纯照片 + 弱遮罩
   ============================================================ */
.hero-banner {
  padding: calc(var(--nav-h) + 76px) 0 76px;
  /* 无底色兜底（图片即视觉主体，加深色会透出，见下方背景色说明） */
  background: #0d1526;
  isolation: isolate;
}

/* Banner 底图：铺满整个 section */
.hero-banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;   /* 右侧人物+地球为视觉主体，略微右移 */
  animation: bannerZoom 18s ease-out forwards;
}
/* 缓慢推近，给静态图一点"活"的感觉 */
@keyframes bannerZoom {
  from { transform: scale(1.06); }
  to   { transform: scale(1.0); }
}

/* 遮罩：只做局部柔化保证文字可读，不做整体染色 */
.hero-banner-mask {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    /* 左下角文字区的柔和压暗，斜向过渡不遮挡人物 */
    radial-gradient(120% 100% at 8% 62%,
      rgba(8, 12, 22, 0.78) 0%,
      rgba(8, 12, 22, 0.55) 32%,
      rgba(8, 12, 22, 0.22) 56%,
      rgba(8, 12, 22, 0) 76%),
    /* 顶部轻微压暗，托住固定导航栏 */
    linear-gradient(to bottom,
      rgba(8, 12, 22, 0.42) 0%,
      rgba(8, 12, 22, 0.10) 16%,
      rgba(8, 12, 22, 0) 34%),
    /* 底部压暗，托住数据栏并与下一屏衔接 */
    linear-gradient(to bottom,
      rgba(8, 12, 22, 0) 66%,
      rgba(8, 12, 22, 0.34) 84%,
      rgba(8, 12, 22, 0.66) 100%);
}

/* Banner 模式下文字宽度收窄，避免压到人物 */
.hero-banner .hero-inner {
  position: relative;
  z-index: 3;
}
.hero-banner .hero-title,
.hero-banner .hero-desc,
.hero-banner .hero-badge {
  max-width: 42em;
}
/* 压图文字：加深投影保证在任何画面上都清晰 */
.hero-banner .hero-title {
  max-width: 13em;
  text-shadow:
    0 3px 32px rgba(6, 10, 20, 0.7),
    0 2px 10px rgba(6, 10, 20, 0.62),
    0 0 4px rgba(6, 10, 20, 0.5);
}
/* 首屏渐变标题改纯白：压在照片上更干净，也与首行白字保持一致 */
.hero-banner .hero-title .gradient-text {
  background: none;
  -webkit-text-fill-color: #fff;
  color: #fff;
  filter: drop-shadow(0 2px 12px rgba(6, 10, 20, 0.8)) drop-shadow(0 1px 3px rgba(6, 10, 20, 0.65));
}
.hero-banner .hero-desc {
  max-width: 30em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 14px rgba(6, 10, 20, 0.75);
}

/* 徽章改为半透玻璃，压图上也能读清 */
.hero-banner .hero-badge {
  background: rgba(10, 16, 30, 0.32);
  border-color: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  text-shadow: 0 1px 6px rgba(6, 10, 20, 0.5);
}

/* Banner 模式下底部数据栏只占左侧，不横跨人物 */
.hero-banner .hero-stats {
  max-width: 640px;
  border-top-color: rgba(255, 255, 255, 0.28);
  text-shadow: 0 1px 10px rgba(6, 10, 20, 0.6);
}
.hero-banner .stat-label { color: rgba(255, 255, 255, 0.8); }

/* 隐藏网格纹理与发光球 —— banner 版不要任何合成装饰，图片即背景 */
.hero-banner .hero-grid-bg,
.hero-banner .hero-glow-a,
.hero-banner .hero-glow-b { display: none; }
.hero-banner .hero-glow-a {
  background: rgba(0, 194, 255, 0.18);
  top: -180px; right: 24%;
}

.hero-inner { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 30px;
  backdrop-filter: blur(8px);
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-cyan-light);
  box-shadow: 0 0 0 0 rgba(70, 224, 255, 0.7);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(70, 224, 255, 0.65); }
  70%  { box-shadow: 0 0 0 9px rgba(70, 224, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(70, 224, 255, 0); }
}

.hero-title {
  font-size: 60px;
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 26px;
  max-width: 15em;
}
.hero-title .gradient-text { display: inline-block; }

.hero-desc {
  font-size: 17.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 72px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 38px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.stat-num {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.02em;
}
.stat-num .suffix {
  font-size: 20px;
  font-weight: 600;
  color: var(--brand-cyan-light);
  margin-left: 3px;
}
.stat-label {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 5px;
}
.stat-divider {
  width: 1px;
  height: 42px;
  background: rgba(255, 255, 255, 0.16);
}

/* ==========================================================================
   信任条
   ========================================================================== */
.trust {
  padding: 34px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--line);
}
.trust-label {
  text-align: center;
  font-size: 12.5px;
  color: var(--ink-400);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.trust-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 62px;
  flex-wrap: wrap;
}
.trust-item img {
  height: 34px;
  width: auto;
  opacity: 0.72;
  filter: grayscale(0.25);
  transition: opacity 0.25s, filter 0.25s;
}
.trust-item:hover img { opacity: 1; filter: grayscale(0); }

/* ==========================================================================
   核心产品
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-bottom: 30px;
}

.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  transition: transform 0.28s, box-shadow 0.28s, border-color 0.28s;
  overflow: hidden;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.product-card:hover::before { transform: scaleX(1); }

.card-top { margin-bottom: 18px; }
.card-index {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--brand-blue);
  background: rgba(30, 123, 255, 0.08);
  padding: 5px 13px;
  border-radius: 100px;
  margin-bottom: 14px;
}
.card-title {
  font-size: 25px;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.015em;
  margin-bottom: 8px;
}
.card-slogan {
  font-size: 15px;
  color: var(--brand-cyan);
  font-weight: 500;
}
.card-desc {
  font-size: 15px;
  color: var(--ink-600);
  line-height: 1.82;
  margin-bottom: 20px;
}

.card-feature {
  background: var(--bg-soft);
  border-left: 3px solid var(--brand-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 15px 18px;
  margin-bottom: 20px;
}
.feature-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--brand-navy);
  margin-bottom: 5px;
}
.feature-desc {
  font-size: 13.5px;
  color: var(--ink-600);
  line-height: 1.75;
}

.card-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.95;
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
}

/* 四大特性 */
.feature-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 30px;
}
.feature-item {
  background: linear-gradient(180deg, var(--bg-soft), #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  transition: transform 0.25s, box-shadow 0.25s;
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.fi-icon {
  width: 50px; height: 50px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(30, 123, 255, 0.12), rgba(0, 194, 255, 0.12));
  color: var(--brand-blue);
}
.fi-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}
.fi-desc { font-size: 13.5px; color: var(--ink-500); line-height: 1.65; }

/* ==========================================================================
   行业方案
   ========================================================================== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  overflow: hidden;
  transition: transform 0.28s, box-shadow 0.28s, border-color 0.28s;
}
.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 123, 255, 0.3);
}
.sc-num {
  position: absolute;
  top: 22px;
  right: 26px;
  font-size: 40px;
  font-weight: 800;
  color: var(--brand-blue);
  opacity: 0.09;
  line-height: 1;
  letter-spacing: -0.03em;
}
.sc-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(30, 123, 255, 0.26);
}
.sc-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 10px;
}
.sc-desc {
  font-size: 14.5px;
  color: var(--ink-600);
  line-height: 1.8;
  margin-bottom: 16px;
}
.sc-tags { display: flex; gap: 7px; flex-wrap: wrap; }
.sc-tags span {
  font-size: 12px;
  color: var(--brand-navy);
  background: var(--bg-soft-2);
  padding: 4px 11px;
  border-radius: 100px;
  font-weight: 500;
}

.solution-card-cta {
  background: linear-gradient(150deg, var(--brand-navy-deep), var(--brand-navy-mid));
  border-color: transparent;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.solution-card-cta .sc-title { color: #fff; }
.solution-card-cta .sc-desc { color: rgba(255, 255, 255, 0.76); margin-bottom: 24px; }
.solution-card-cta .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.solution-card-cta .btn-outline:hover { background: #fff; color: var(--brand-navy); }
.sc-cta-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 24px;
  margin-bottom: 18px;
}

/* ==========================================================================
   落地五步法
   ========================================================================== */
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.process-line {
  position: absolute;
  top: 25px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brand-blue) 15%, var(--brand-cyan) 85%, transparent);
  opacity: 0.28;
}
.process-step { position: relative; text-align: center; padding: 0 6px; }
.ps-dot {
  width: 50px; height: 50px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand-blue);
  color: var(--brand-blue);
  font-weight: 800;
  font-size: 15px;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 7px rgba(30, 123, 255, 0.08);
  transition: transform 0.25s, background 0.25s, color 0.25s;
}
.process-step:hover .ps-dot {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
  color: #fff;
  transform: scale(1.1);
}
.ps-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 9px;
}
.ps-desc { font-size: 13.5px; color: var(--ink-500); line-height: 1.75; }

/* ==========================================================================
   案例（深色）
   ========================================================================== */
.section-dark {
  background:
    radial-gradient(900px 500px at 85% 0%, rgba(30, 123, 255, 0.26), transparent 60%),
    linear-gradient(165deg, var(--brand-navy-deep), var(--brand-navy) 60%, #0C2E73);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(255, 255, 255, 0.7); }
.section-dark .accent-text { color: var(--brand-cyan-light); }
.section-dark .gradient-text {
  background: linear-gradient(120deg, var(--brand-cyan-light), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}
.case-card {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius-lg);
  padding: 30px 30px 26px;
  transition: transform 0.28s, background 0.28s, border-color 0.28s;
  backdrop-filter: blur(10px);
}
.case-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.095);
  border-color: rgba(70, 224, 255, 0.42);
}
.case-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}
.case-no {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--brand-cyan-light);
  background: rgba(70, 224, 255, 0.13);
  padding: 4px 11px;
  border-radius: 100px;
}
.case-industry {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 11px;
  border-radius: 100px;
}
.case-title {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 11px;
  letter-spacing: -0.01em;
}
.case-desc {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.78;
  margin-bottom: 22px;
}
.case-metrics {
  display: flex;
  gap: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}
.m-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--brand-cyan-light);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.m-unit {
  font-size: 16px;
  font-weight: 600;
  margin-left: 2px;
}
.m-label {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.58);
  margin-top: 3px;
}
.case-disclaimer {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
  margin-bottom: 30px;
  text-align: center;
}

.industry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.industry-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px 24px 22px;
  display: block;
  transition: background 0.25s, transform 0.25s, border-color 0.25s;
}
.industry-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: rgba(70, 224, 255, 0.4);
}
.ic-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 9px;
}
.ic-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.72;
  margin-bottom: 14px;
}
.ic-metric { font-size: 13px; color: rgba(255, 255, 255, 0.62); }
.ic-num {
  font-size: 19px;
  font-weight: 800;
  color: var(--brand-cyan-light);
  margin-right: 5px;
}

/* ==========================================================================
   关于我们
   ========================================================================== */
.about-body {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-lead {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.72;
  margin-bottom: 16px;
}
.about-text p {
  font-size: 15.5px;
  color: var(--ink-600);
  line-height: 1.88;
  margin-bottom: 16px;
}
.about-quote {
  margin: 26px 0;
  padding: 22px 26px;
  background: var(--bg-soft);
  border-left: 3px solid var(--brand-cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 17px;
  font-weight: 500;
  color: var(--brand-navy);
  line-height: 1.75;
}
.about-sign {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.as-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}
.as-role { font-size: 13.5px; color: var(--ink-400); }

.about-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.value-card {
  background: linear-gradient(180deg, var(--bg-soft), #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.vc-icon { font-size: 28px; margin-bottom: 13px; }
.vc-title {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: 6px;
}
.vc-desc { font-size: 13.5px; color: var(--ink-500); line-height: 1.68; }

/* ==========================================================================
   联系我们
   ========================================================================== */
.section-contact {
  background:
    radial-gradient(900px 540px at 15% 10%, rgba(30, 123, 255, 0.3), transparent 62%),
    radial-gradient(760px 480px at 88% 88%, rgba(0, 194, 255, 0.22), transparent 60%),
    linear-gradient(160deg, var(--brand-navy-deep), var(--brand-navy));
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 64px;
  align-items: center;
}
.contact-title {
  font-size: 42px;
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-contact .gradient-text {
  background: linear-gradient(120deg, var(--brand-cyan-light), var(--brand-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-desc {
  font-size: 16.5px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 38px;
  max-width: 480px;
}

.contact-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 26px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
a.contact-item:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(70, 224, 255, 0.45);
  transform: translateY(-2px);
}
.ci-icon { font-size: 20px; line-height: 1.4; }
.ci-label {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 2px;
}
.ci-value {
  font-size: 15.5px;
  font-weight: 600;
  color: #fff;
  line-height: 1.5;
}

.contact-qr { text-align: center; }

/* 直联CTA 卡片（替代原二维码卡） */
.contact-cta-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 34px 30px 30px;
  backdrop-filter: blur(14px);
  transition: background 0.28s, border-color 0.28s, transform 0.28s;
}
.contact-cta-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(70, 224, 255, 0.42);
  transform: translateY(-4px);
}
.cta-icon {
  width: 54px; height: 54px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  background: linear-gradient(135deg, rgba(30, 123, 255, 0.9), rgba(0, 194, 255, 0.9));
  color: #fff;
  box-shadow: 0 8px 22px rgba(30, 123, 255, 0.35);
}
.cta-title {
  font-size: 21px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.cta-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.78;
  margin-bottom: 22px;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.cta-actions .btn {
  gap: 9px;
  font-size: 15.5px;
}

.qr-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-lg);
}
.qr-card img {
  width: 100%;
  max-width: 210px;
  margin: 0 auto 14px;
  border-radius: var(--radius-sm);
}
.qr-tip {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
  line-height: 1.6;
}
.qr-tip span {
  display: block;
  font-size: 12.5px;
  font-weight: 400;
  color: var(--ink-400);
  margin-top: 3px;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
  background: #061530;
  color: rgba(255, 255, 255, 0.68);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 2fr;
  gap: 56px;
  padding-top: 62px;
  padding-bottom: 52px;
}

/* 深色页脚中保留 logo 原貌，用白色底衬而非反白（反白会丢失品牌渐变） */
.footer-logo {
  height: 26px;
  width: auto;
  background: #fff;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.footer-slogan {
  font-size: 15.5px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  margin-bottom: 18px;
}
.footer-contact-mini {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  flex-wrap: wrap;
}
.footer-contact-mini a { color: rgba(255, 255, 255, 0.72); transition: color 0.2s; }
.footer-contact-mini a:hover { color: var(--brand-cyan-light); }

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) 152px;
  gap: 30px 32px;
}
.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  padding: 5px 0;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: var(--brand-cyan-light);
  padding-left: 4px;
}
.footer-qr-col img {
  width: 104px;
  height: 104px;
  object-fit: contain;
  background: #fff;
  padding: 7px;
  border-radius: var(--radius-sm);
  margin-bottom: 9px;
}
.footer-qr-col > span { font-size: 12px; color: rgba(255, 255, 255, 0.5); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
}
.footer-beian a {
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
  border-bottom: 1px solid transparent;
}
.footer-beian a:hover {
  color: var(--brand-cyan-light);
  border-bottom-color: rgba(70, 224, 255, 0.5);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-title { font-size: 48px; }
  .section-title { font-size: 34px; }
  .contact-title { font-size: 36px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(3, minmax(0, 1fr)) 136px; }
  .about-body { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    padding: 14px 20px 22px;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.24s, transform 0.24s, visibility 0.24s;
  }
  .nav-toggle-box:checked ~ .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-links > a,
  .nav-dropdown-toggle {
    height: 46px;
    width: 100%;
    justify-content: flex-start;
    font-size: 15.5px;
  }
  .nav-dropdown-toggle { justify-content: space-between; }
  .nav-dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 0 0 6px 12px;
    margin: 2px 0 6px;
    min-width: 0;
  }
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown:focus-within .nav-dropdown-menu { transform: none; }
  .btn-nav { margin: 8px 0 0; justify-content: center; }

  .product-grid,
  .solution-grid,
  .case-grid,
  .industry-cards { grid-template-columns: 1fr; }

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

  .process-track { grid-template-columns: 1fr; gap: 30px; }
  .process-line { display: none; }
  .process-step { text-align: left; display: flex; gap: 18px; align-items: flex-start; }
  .ps-dot { margin: 0; flex-shrink: 0; }

  .contact-items { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 26px; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: calc(var(--nav-h) + 64px) 0 64px; }
  /* Banner 在窄屏下：图上移、文字全宽，整体压暗保证可读 */
  .hero-banner { padding: calc(var(--nav-h) + 56px) 0 58px; }
  .hero-banner-bg img { object-position: 68% 42%; }
  /* 窄屏文字铺满 → 改用整幅纵向压暗（非蓝色，仅中性黑） */
  .hero-banner-mask {
    background:
      linear-gradient(180deg,
        rgba(8, 12, 22, 0.46) 0%,
        rgba(8, 12, 22, 0.68) 34%,
        rgba(8, 12, 22, 0.86) 72%,
        rgba(8, 12, 22, 0.94) 100%);
  }
  .hero-banner .hero-title,
  .hero-banner .hero-desc,
  .hero-banner .hero-stats { max-width: 100%; }
  .hero-title { font-size: 34px; }
  .hero-desc { font-size: 15.5px; }
  .hero-actions { margin-bottom: 44px; }
  .btn-lg { height: 48px; padding: 0 24px; font-size: 15px; }
  .hero-stats { gap: 22px 18px; }
  .stat-divider { display: none; }
  .stat-num { font-size: 27px; }
  .stat-label { font-size: 12.5px; }
  .stat-item { min-width: 40%; }

  .section-title { font-size: 27px; }
  .section-head { margin-bottom: 44px; }
  .contact-title { font-size: 30px; }
  .contact-cta-card { padding: 28px 22px 24px; }

  .feature-row { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .case-metrics { gap: 24px; }
  .logo-name { display: none; }
  .trust-logos { gap: 34px; }
  .product-card { padding: 28px 24px; }
  .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .footer-bottom-inner { justify-content: center; text-align: center; }
}

/* ==========================================================================
   打印 & 无障碍
   ========================================================================== */
@media print {
  .navbar, .hamburger, .hero-actions, .contact-qr .btn { display: none !important; }
  .hero, .section-dark, .section-contact {
    background: #fff !important;
    color: #000 !important;
  }
  .hero-title, .section-title, .case-title, .card-title { color: #000 !important; }
  .gradient-text, .accent-text {
    -webkit-text-fill-color: #0A2B6B !important;
    color: #0A2B6B !important;
  }
  body { font-size: 12pt; }
  .section { padding: 24px 0; page-break-inside: avoid; }
}

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