/* ============================================================
   湖北云矩智能科技有限公司 - 官网首页
   高质量设计 · 流畅动画 · 响应式
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --c-primary: #0b63f6;
  --c-primary-dark: #0644b8;
  --c-cyan: #22d3ee;
  --c-deep: #07172f;
  --c-text: #1e293b;
  --c-muted: #64748b;
  --c-line: rgba(148, 163, 184, 0.2);
  --c-white: #ffffff;
  --c-bg: #f8fbff;
  --max-width: 1200px;
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body {
  min-height: 100vh;
  color: var(--c-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  background: var(--c-bg);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { border: 0; font: inherit; background: none; cursor: pointer; }
ul { list-style: none; }

/* ---- Utilities ---- */
/* 隐藏元素（用于临时下线模块，移除 is-hidden 即可恢复） */
.is-hidden { display: none !important; }

/* ---- Container ---- */
.container {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

/* ============================================================
   HEADER - 固定顶部导航
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; z-index: 100;
  width: 100%;
  height: 72px;
  background: rgba(7, 23, 47, 0.7);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* 导航栏底部扫描线 */
.header-shine {
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(64, 158, 255, 0) 20%,
    rgba(64, 158, 255, 0.5) 50%,
    rgba(34, 211, 238, 0.3) 70%,
    transparent 100%);
  pointer-events: none;
  z-index: 0;
  animation: headerShine 5s ease-in-out infinite;
}
@keyframes headerShine {
  0%   { left: -100%; }
  100% { left: 100%; }
}

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

/* ---- Brand ---- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-mark {
  display: grid;
  width: 40px; height: 40px;
  place-items: center;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(11, 99, 246, 0.3);
  overflow: hidden;
}
.brand-mark img { width: 30px; height: 30px; object-fit: contain; }

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 16px; }
.brand-text span {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

/* ---- Nav Links ---- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  position: relative;
}
.nav-item > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.25s ease, background 0.25s ease;
}
.nav-item > a:hover,
.nav-item > a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.nav-item > a .arrow {
  display: inline-block;
  width: 10px; height: 10px;
  margin-left: 2px;
  transition: transform 0.25s ease;
}
.nav-item > a .arrow::after {
  content: "";
  display: block;
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -2px;
}

/* ---- Dropdown ---- */
.dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  z-index: 1000;
  min-width: 220px;
  padding: 8px;
  border-radius: 14px;
  background: rgba(10, 22, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s var(--ease-out);
  pointer-events: none;
}

/* 用伪元素填补间隙，防止鼠标离开触发区域 */
.nav-item.has-dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 16px;
}

.nav-item:hover .dropdown,
.nav-item.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.nav-item:hover > a .arrow {
  transform: rotate(180deg);
}

.dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 550;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.dropdown a:hover {
  background: rgba(11, 99, 246, 0.15);
  color: #fff;
}
.dropdown a .dropdown-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #cbd5e1;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.dropdown a:hover .dropdown-dot {
  background: var(--c-primary);
}
.dropdown a.disabled {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* ---- Mobile Menu Toggle ---- */
.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  border-radius: 999px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ============================================================
   BANNER - 全宽轮播
   ============================================================ */
.banner {
  position: relative;
  width: 100%;
  height: calc(100vh + 260px);
  min-height: 900px;
  max-height: 1200px;
  overflow: hidden;
  background: #030b1a;
}

/* ---- 幻灯片容器 ---- */
.banner-slides {
  position: absolute;
  inset: 0;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 2s var(--ease-out);
  pointer-events: none;
}
.banner-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 遮罩 - 让文字更清晰 */
.banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(3, 11, 26, 0.55) 0%,
    rgba(3, 11, 26, 0.2) 40%,
    rgba(3, 11, 26, 0.2) 55%,
    #0d1a33 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* ---- 标语 ---- */
.banner-slogan {
  position: absolute;
  top: 28%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
  pointer-events: none;
}
.slogan-main {
  color: #fff;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
  margin: 0 0 16px;
  animation: sloganFadeIn 1s var(--ease-out) both, sloganGlow 3s ease-in-out 1.2s infinite;
}
@keyframes sloganGlow {
  0%, 100% { text-shadow: 0 2px 20px rgba(0,0,0,0.5), 0 0 40px rgba(64,158,255,0.15), 0 0 80px rgba(64,158,255,0.05); }
  50%      { text-shadow: 0 2px 20px rgba(0,0,0,0.5), 0 0 60px rgba(64,158,255,0.35), 0 0 120px rgba(64,158,255,0.15), 0 0 200px rgba(34,211,238,0.08); }
}
.slogan-sub {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
  margin: 0;
  animation: sloganFadeIn 1s 0.2s var(--ease-out) both;
}
@keyframes sloganFadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- 箭头按钮 ---- */
.banner-arrow {
  position: absolute;
  top: 50%;
  z-index: 4;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
  cursor: pointer;
  opacity: 0;
}
.banner:hover .banner-arrow { opacity: 1; }
.banner-arrow:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-50%) scale(1.08);
}
.banner-arrow:active { transform: translateY(-50%) scale(0.95); }
.banner-arrow-left  { left: 24px; }
.banner-arrow-right { right: 24px; }

/* ---- 指示器圆点 ---- */
.banner-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 12px;
}
.banner-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  border: 0;
  padding: 0;
}
.banner-dot.active {
  width: 36px;
  border-radius: 999px;
  background: #fff;
}
.banner-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.65);
}

/* ============================================================
   SERVICES - 服务内容
   ============================================================ */
.services-section {
  position: relative;
  padding: 140px 0 160px;
  margin-top: -1px;
  background: #0d1a33;
  overflow: hidden;
}

/* 底部渐变过渡 - 平滑衔接到场景模块 */
.services-section::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(10,22,40,0.5) 40%, #0a1628 100%);
  pointer-events: none;
  z-index: 3;
}

/* 网格背景装饰 */
.services-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

/* ---- 标题区 ---- */
.services-header {
  text-align: center;
  margin-bottom: 64px;
}
.services-label {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.services-title {
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* ---- 卡片容器 ---- */
.services-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ---- 卡片 ---- */
.service-card {
  position: relative;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  overflow: hidden;
  cursor: default;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
  box-shadow:
    inset 0 -4px 0 0 transparent,
    0 2px 12px rgba(0,0,0,0.15);
}
/* 默认底部渐变边框 */
.service-card::before {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, transparent 0%, rgba(64,158,255,0.25) 20%, rgba(64,158,255,0.4) 50%, rgba(64,158,255,0.25) 80%, transparent 100%);
  border-radius: 0 0 4px 4px;
  z-index: 3;
  transition: background 0.5s ease, height 0.3s ease;
}
.service-card:hover::before {
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 20%, rgba(255,255,255,0.5) 50%, rgba(255,255,255,0.3) 80%, transparent 100%);
  height: 4px;
}

/* 卡片角落装饰点 */
.service-card::after {
  content: "";
  position: absolute;
  right: 20px; bottom: 20px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transition: background 0.5s ease, transform 0.5s ease;
}
.service-card:hover::after {
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  transform: scale(2);
}

/* 滚动进入动画 */
.service-card {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), box-shadow 0.4s ease;
}
.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
}
.service-card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.35),
    0 8px 20px rgba(0, 0, 0, 0.2);
}
.service-card.revealed:hover {
  transform: translateY(-10px);
}

/* 从下往上填充的色块 */
.service-card-fill {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 0;
  background: linear-gradient(180deg, #8cc8ff 0%, #6db5f5 50%, #409EFF 100%);
  transition: height 0.5s var(--ease-out);
  z-index: 1;
  border-radius: 20px;
}
.service-card:hover .service-card-fill {
  height: 100%;
}

.service-card-inner {
  position: relative;
  z-index: 2;
  padding: 48px 32px 40px;
  text-align: center;
  transition: color 0.4s ease;
}

.service-icon {
  width: 72px; height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  border: 1.5px dashed #66b1ff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #66b1ff;
  box-shadow: 0 0 20px rgba(64,158,255,0.12), 0 0 40px rgba(64,158,255,0.06);
  transition: border-color 0.4s ease, color 0.4s ease, background 0.4s ease, box-shadow 0.4s ease;
}
.service-icon svg {
  width: 32px; height: 32px;
}
.service-card:hover .service-icon {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.service-card-title {
  font-size: 22px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 14px;
  transition: color 0.4s ease;
}
.service-card-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.4s ease;
}

/* 功能标签 */
.service-card-tags {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.service-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(64, 158, 255, 0.85);
  background: rgba(64, 158, 255, 0.1);
  border: 1px solid rgba(64, 158, 255, 0.18);
  border-radius: 20px;
  letter-spacing: 0.04em;
  transition: background 0.4s ease, color 0.4s ease, border-color 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.service-tag::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #409EFF;
  flex-shrink: 0;
  transition: background 0.4s ease;
}
.service-card:hover .service-tag {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.service-card:hover .service-tag::before {
  background: #fff;
}
.service-card:hover .service-card-title {
  color: #fff;
}
.service-card:hover .service-card-desc {
  color: rgba(255, 255, 255, 0.85);
}

/* 了解详情入口 */
.service-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.3s ease, gap 0.3s ease;
}
.service-more-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}
.service-more:hover {
  color: #409EFF;
  gap: 10px;
}
.service-more:hover .service-more-arrow {
  transform: translateX(4px);
}
.service-card:hover .service-more {
  color: rgba(255, 255, 255, 0.85);
}
.service-card:hover .service-more:hover {
  color: #fff;
}

/* ---- 背景浮动粒子 ---- */
.services-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(64, 158, 255, 0.35);
  box-shadow: 0 0 12px rgba(64, 158, 255, 0.3);
  animation: floatParticle 8s ease-in-out infinite;
}
.particle.p1 { width: 6px; height: 6px; top: 12%; left: 8%; animation-duration: 7s; animation-delay: 0s; }
.particle.p2 { width: 4px; height: 4px; top: 28%; left: 72%; animation-duration: 9s; animation-delay: 1.5s; }
.particle.p3 { width: 8px; height: 8px; top: 55%; left: 18%; animation-duration: 8.5s; animation-delay: 3s; }
.particle.p4 { width: 5px; height: 5px; top: 70%; left: 82%; animation-duration: 7.5s; animation-delay: 0.8s; }
.particle.p5 { width: 3px; height: 3px; top: 35%; left: 45%; animation-duration: 10s; animation-delay: 2.2s; }
.particle.p6 { width: 7px; height: 7px; top: 80%; left: 52%; animation-duration: 8s; animation-delay: 4s; }

@keyframes floatParticle {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.5; }
  25% { transform: translateY(-30px) translateX(15px); opacity: 1; }
  50% { transform: translateY(-15px) translateX(-10px); opacity: 0.7; }
  75% { transform: translateY(-40px) translateX(8px); opacity: 0.9; }
}

/* ---- 滚动进入动画 ---- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 卡片交错延迟 */
.services-cards .service-card:nth-child(1) { transition-delay: 0s, 0s, 0s; }
.services-cards .service-card:nth-child(2) { transition-delay: 0.1s, 0.1s, 0s; }
.services-cards .service-card:nth-child(3) { transition-delay: 0.2s, 0.2s, 0s; }

/* ============================================================
   SCENARIOS - 业务应用场景（产品中心锚点）
   ============================================================ */
.scenarios-section {
  position: relative;
  padding: 120px 0 140px;
  background: #0a1628;
  overflow: hidden;
}

/* 装饰光晕 - 右上角 */
.scenarios-section::before {
  content: "";
  position: absolute;
  top: -150px; right: -150px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.15) 0%, rgba(64,158,255,0.05) 35%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 左下角 */
.scenarios-section::after {
  content: "";
  position: absolute;
  bottom: 60px; left: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, rgba(168,85,247,0.03) 30%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* 网格背景装饰 */
.scenarios-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
}

/* 背景装饰点阵 */
.scenarios-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(64,158,255,0.15) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  z-index: 0;
}

/* 动态流动线条 */
.scenarios-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.flow-line {
  stroke-dasharray: 200 400;
  animation: flowDash 12s linear infinite;
}
.flow-line-1 { animation-duration: 12s; animation-delay: 0s; }
.flow-line-2 { animation-duration: 15s; animation-delay: -4s; }
.flow-line-3 { animation-duration: 10s; animation-delay: -2s; }
.flow-line-4 { animation-duration: 18s; animation-delay: -8s; }

@keyframes flowDash {
  0% { stroke-dashoffset: 600; }
  100% { stroke-dashoffset: -600; }
}

/* ---- 标题 ---- */
.scenarios-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 1;
}
.scenarios-label {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(64,158,255,0.12);
  border: 1px solid rgba(64,158,255,0.2);
  color: #60a5fa;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.scenarios-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.scenarios-subtitle {
  font-size: 15px;
  color: rgba(148,163,184,0.7);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- 主内容区：上方柱状图 + 下方2×2卡片 ---- */
.scenarios-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  position: relative;
  z-index: 1;
}

/* ---- 2x2 网格 ---- */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* ---- 卡片 ---- */
.scenario-card {
  position: relative;
  background: rgba(255,255,255,0.04);
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease, border-color 0.4s ease, background 0.35s ease;
  cursor: default;
  opacity: 0;
  transform: translateY(40px);
  overflow: hidden;
}

.scenario-card.revealed {
  opacity: 1;
  transform: translateY(0);
}
.scenario-card:hover {
  transform: translateY(-8px) scale(1.03);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: rgba(64, 158, 255, 0.25);
}
.scenario-card.revealed:hover {
  transform: translateY(-8px) scale(1.03);
}

/* 卡片序号角标 */
.scenario-card .scenario-index {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.08);
  line-height: 1;
  pointer-events: none;
  transition: color 0.5s ease, transform 0.5s ease;
  z-index: 2;
}
.scenario-card:hover .scenario-index {
  color: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* ---- 卡片头部（4色 + 毛玻璃 + 斜线纹理） ---- */
.scenario-card-header {
  position: relative;
  padding: 36px 32px 28px;
  color: #fff;
  text-align: center;
  z-index: 1;
  overflow: hidden;
}
/* 毛玻璃基底 */
.scenario-card-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  backdrop-filter: blur(10px) saturate(1.4);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  z-index: -1;
}
/* 顶部光泽 + 白色极细斜线 */
.scenario-card-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 6px,
      rgba(255, 255, 255, 0.08) 6px,
      rgba(255, 255, 255, 0.08) 7px
    );
  pointer-events: none;
}
/* 卡片1 - 蓝色 */
.scenario-card:nth-child(1) .scenario-card-header {
  background: linear-gradient(135deg, rgba(164,171,214,0.9) 0%, rgba(164,171,214,0.7) 100%), #a4abd6;
}
/* 卡片2 - 橙色 */
.scenario-card:nth-child(2) .scenario-card-header {
  background: linear-gradient(135deg, rgba(251,153,104,0.9) 0%, rgba(251,153,104,0.7) 100%), #FB9968;
}
/* 卡片3 - 紫色 */
.scenario-card:nth-child(3) .scenario-card-header {
  background: linear-gradient(135deg, rgba(166,128,184,0.9) 0%, rgba(166,128,184,0.7) 100%), #a680b8;
}
/* 卡片4 - 绿色 */
.scenario-card:nth-child(4) .scenario-card-header {
  background: linear-gradient(135deg, rgba(132,167,64,0.9) 0%, rgba(132,167,64,0.7) 100%), #84A740;
}
.scenario-card-header .scenario-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin: 0 auto 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.scenario-card-header .scenario-icon svg {
  width: 36px; height: 36px;
}
.scenario-card-header .scenario-title {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.scenario-header-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 280px;
  margin: 0 auto;
}

/* ---- 卡片内容体 ---- */
.scenario-card-body {
  padding: 28px 32px 24px;
  background: transparent;
  position: relative;
  z-index: 1;
}
.scenario-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.06);
}
.scenario-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.scenario-item strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  margin-bottom: 5px;
}
.scenario-item span {
  display: block;
  font-size: 13px;
  color: rgba(148,163,184,0.6);
  line-height: 1.6;
}

/* ---- 卡片底部同色系边框 ---- */
.scenario-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 4px;
  border-radius: 0 0 4px 4px;
  z-index: 3;
  transition: height 0.3s ease, opacity 0.3s ease;
}
.scenario-card:nth-child(1)::after { background: linear-gradient(90deg, transparent 0%, #a4abd6 30%, #a4abd6 70%, transparent 100%); }
.scenario-card:nth-child(2)::after { background: linear-gradient(90deg, transparent 0%, #FB9968 30%, #FB9968 70%, transparent 100%); }
.scenario-card:nth-child(3)::after { background: linear-gradient(90deg, transparent 0%, #a680b8 30%, #a680b8 70%, transparent 100%); }
.scenario-card:nth-child(4)::after { background: linear-gradient(90deg, transparent 0%, #84A740 30%, #84A740 70%, transparent 100%); }
.scenario-card:hover::after {
  height: 6px;
}

/* ---- 了解详情入口 ---- */
.scenario-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  color: rgba(148,163,184,0.55);
  transition: color 0.3s ease, gap 0.3s ease;
}
.scenario-more-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}
.scenario-more:hover {
  color: #60a5fa;
  gap: 10px;
}
.scenario-more:hover .scenario-more-arrow {
  transform: translateX(4px);
}
/* 各卡片hover时"了解详情"跟随头部颜色 */
.scenario-card:nth-child(1):hover .scenario-more { color: #a4abd6; }
.scenario-card:nth-child(2):hover .scenario-more { color: #fdb892; }
.scenario-card:nth-child(3):hover .scenario-more { color: #c4a6d6; }
.scenario-card:nth-child(4):hover .scenario-more { color: #a8c960; }

/* 卡片左侧装饰线 */
.scenario-card::before {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 4px; height: 0;
  border-radius: 0 4px 4px 0;
  background: #409EFF;
  transform: translateY(-50%);
  transition: height 0.4s var(--ease-out);
  z-index: 2;
}
.scenario-card:hover::before {
  height: 80px;
}

/* ---- 业务应用场景 - 柱状图区域 ---- */
.scenarios-chart-area {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 20px;
  padding: 16px 24px 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.scenarios-chart-title {
  font-size: 16px;
  font-weight: 700;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  text-align: center;
  flex-shrink: 0;
}
.scenarios-chart-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.scenarios-bar-canvas {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 20px rgba(64,158,255,0.08));
}

/* 柱状图动态数值标签 */
.bar-value-label {
  transition: opacity 0.25s ease;
}

/* 卡片交错动画 */
.scenarios-grid .scenario-card {
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), box-shadow 0.4s ease, border-color 0.4s ease;
}
.scenarios-grid .scenario-card:nth-child(1) { transition-delay: 0s, 0s, 0s, 0s; }
.scenarios-grid .scenario-card:nth-child(2) { transition-delay: 0.1s, 0.1s, 0s, 0s; }
.scenarios-grid .scenario-card:nth-child(3) { transition-delay: 0.2s, 0.2s, 0s, 0s; }
.scenarios-grid .scenario-card:nth-child(4) { transition-delay: 0.3s, 0.3s, 0s, 0s; }

/* ============================================================
   NEWS - 新闻资讯
   ============================================================ */
.news-section {
  position: relative;
  padding: 120px 0 130px;
  background: #0a1628;
  overflow: hidden;
}

/* 装饰光晕 - 右上角蓝色 */
.news-section::before {
  content: "";
  position: absolute;
  top: -150px; right: -150px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.15) 0%, rgba(64,158,255,0.05) 35%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 左上角蓝色 */
.news-light-top {
  position: absolute;
  top: -180px; left: -180px;
  width: 450px; height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 右下角青色 */
.news-light-bottom {
  position: absolute;
  bottom: 60px; right: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.1) 0%, rgba(34,211,238,0.03) 30%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* 网格背景 */
.news-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
}

/* 背景点阵 */
.news-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(64,158,255,0.15) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  z-index: 0;
}

/* 流动线条 */
.news-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.news-flow-line {
  stroke-dasharray: 180 360;
  animation: newsFlowDash 14s linear infinite;
}
.nfl-1 { animation-duration: 14s; animation-delay: 0s; }
.nfl-2 { animation-duration: 17s; animation-delay: -5s; }
.nfl-3 { animation-duration: 12s; animation-delay: -3s; }

@keyframes newsFlowDash {
  0% { stroke-dashoffset: 540; }
  100% { stroke-dashoffset: -540; }
}

/* ---- 标题 ---- */
.news-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 1;
}
.news-label {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(64,158,255,0.12);
  border: 1px solid rgba(64,158,255,0.2);
  color: #60a5fa;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.news-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.news-subtitle {
  font-size: 15px;
  color: rgba(148,163,184,0.7);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- 新闻网格 ---- */
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}

/* ---- 左侧大卡片（头条） ---- */
.news-featured {
  background: rgba(255,255,255,0.04);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease, background 0.35s ease;
  display: flex;
  flex-direction: column;
}
.news-featured:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25), 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* 头条图片占位 */
.news-card-img {
  position: relative;
  height: 220px;
  background: linear-gradient(135deg, rgba(64,158,255,0.2) 0%, rgba(100,160,220,0.12) 35%, rgba(34,211,238,0.08) 65%, rgba(168,85,247,0.06) 100%);
  overflow: hidden;
}
.news-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(96, 165, 250, 0.35);
}
.news-img-placeholder svg {
  width: 64px;
  height: 64px;
}
/* 图片区分类标签 */
.news-category {
  position: absolute;
  top: 16px; left: 16px;
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.news-cat-hot {
  background: linear-gradient(135deg, #409EFF, #337ecc);
  color: #fff;
  box-shadow: 0 2px 8px rgba(64,158,255,0.35);
}
.news-cat-normal {
  background: rgba(64, 158, 255, 0.12);
  color: #60a5fa;
}

/* 头条正文 */
.news-featured .news-card-body {
  padding: 28px 32px 32px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(148,163,184,0.6);
  margin-bottom: 14px;
}
.news-divider {
  color: rgba(148,163,184,0.3);
}
.news-views {
  color: rgba(148,163,184,0.6);
}
.news-featured .news-card-title {
  font-size: 20px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}
.news-featured:hover .news-card-title {
  color: #60a5fa;
}
.news-featured .news-card-excerpt {
  font-size: 14px;
  color: rgba(148,163,184,0.65);
  line-height: 1.9;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 阅读全文 */
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #60a5fa;
  transition: gap 0.3s ease, color 0.3s ease;
}
.news-more-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}
.news-more:hover {
  color: #93c5fd;
  gap: 10px;
}
.news-more:hover .news-more-arrow {
  transform: translateX(4px);
}

/* ---- 右侧 2x2 迷你卡片网格 ---- */
.news-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: stretch;
}

/* 迷你卡片 */
.news-mini-card {
  position: relative;
  background: rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 24px 22px 18px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.news-mini-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  border-radius: 16px 16px 0 0;
  transition: height 0.3s ease, opacity 0.3s ease;
}
/* 4张卡片不同顶部色条 */
.news-mini-card:nth-child(1)::before { background: linear-gradient(90deg, #409EFF, #66b1ff); }
.news-mini-card:nth-child(2)::before { background: linear-gradient(90deg, #a680b8, #c4a6d6); }
.news-mini-card:nth-child(3)::before { background: linear-gradient(90deg, #FB9968, #fdb892); }
.news-mini-card:nth-child(4)::before { background: linear-gradient(90deg, #84A740, #a8c960); }

.news-mini-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.12);
  border-color: rgba(148, 163, 184, 0.2);
}
.news-mini-card:hover::before {
  height: 6px;
}

.news-mini-card-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 迷你卡片图标 */
.news-mini-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  transition: transform 0.3s ease;
}
.news-mini-icon svg {
  width: 20px; height: 20px;
}
.news-mini-card:nth-child(1) .news-mini-icon { background: rgba(64,158,255,0.12); color: #409EFF; }
.news-mini-card:nth-child(2) .news-mini-icon { background: rgba(166,128,184,0.12); color: #c4a6d6; }
.news-mini-card:nth-child(3) .news-mini-icon { background: rgba(251,153,104,0.12); color: #FB9968; }
.news-mini-card:nth-child(4) .news-mini-icon { background: rgba(132,167,64,0.12); color: #84A740; }

.news-mini-card:hover .news-mini-icon {
  transform: scale(1.1);
}

/* 分类标签 */
.news-mini-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.news-mini-card:nth-child(1) .news-mini-cat { color: #60a5fa; }
.news-mini-card:nth-child(2) .news-mini-cat { color: #c4a6d6; }
.news-mini-card:nth-child(3) .news-mini-cat { color: #FB9968; }
.news-mini-card:nth-child(4) .news-mini-cat { color: #84A740; }

/* 标题 */
.news-mini-title {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}
.news-mini-card:nth-child(1):hover .news-mini-title { color: #60a5fa; }
.news-mini-card:nth-child(2):hover .news-mini-title { color: #c4a6d6; }
.news-mini-card:nth-child(3):hover .news-mini-title { color: #FB9968; }
.news-mini-card:nth-child(4):hover .news-mini-title { color: #84A740; }

/* 摘要 */
.news-mini-desc {
  font-size: 12px;
  color: rgba(148,163,184,0.55);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 日期 */
.news-mini-date {
  position: absolute;
  bottom: 14px; right: 18px;
  font-size: 11px;
  color: rgba(148,163,184,0.5);
  font-weight: 500;
}

/* 阅读全文 */
.news-mini-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  padding-top: 10px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(148,163,184,0.5);
  transition: color 0.3s ease, gap 0.3s ease;
}
.news-mini-card:nth-child(1):hover .news-mini-more { color: #60a5fa; gap: 8px; }
.news-mini-card:nth-child(2):hover .news-mini-more { color: #c4a6d6; gap: 8px; }
.news-mini-card:nth-child(3):hover .news-mini-more { color: #FB9968; gap: 8px; }
.news-mini-card:nth-child(4):hover .news-mini-more { color: #84A740; gap: 8px; }

/* ---- 底部按钮 ---- */
.news-footer {
  text-align: center;
  margin-top: 48px;
  position: relative;
  z-index: 1;
}
.news-btn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 36px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(64, 158, 255, 0.3);
  color: #60a5fa;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.news-btn-more:hover {
  background: #409EFF;
  color: #fff;
  border-color: #409EFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(64, 158, 255, 0.3);
}
.news-btn-more svg {
  transition: transform 0.3s ease;
}
.news-btn-more:hover svg {
  transform: translateX(4px);
}

/* ---- 滚动进入动画（炫酷版） ---- */
.news-featured,
.news-mini-card {
  opacity: 0;
  transform: translate3d(-60px, 80px, 0) rotate3d(1, -0.5, 0, 25deg) scale(0.85);
  filter: blur(8px);
  transition: opacity 0.9s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1),
              filter 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.news-featured.revealed,
.news-mini-card.revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0) rotate3d(1, -0.5, 0, 0deg) scale(1);
  filter: blur(0px);
}
.news-mini-card.revealed:hover {
  transform: translateY(-6px) rotate3d(1, -0.5, 0, 0deg) scale(1);
}
/* 迷你卡片交错（4张依次弹出） */
.news-mini-card:nth-child(1) { transition-delay: 0.08s; }
.news-mini-card:nth-child(2) { transition-delay: 0.2s; }
.news-mini-card:nth-child(3) { transition-delay: 0.32s; }
.news-mini-card:nth-child(4) { transition-delay: 0.44s; }

/* 左侧大卡片率先出现 */
.news-featured {
  transition-delay: 0s;
}

/* 光效扫描线（进入瞬间闪现） */
.news-featured::after,
.news-mini-card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -100%;
  width: 60%;
  height: 200%;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(100, 180, 255, 0) 40%,
    rgba(100, 180, 255, 0.4) 50%,
    rgba(100, 180, 255, 0) 60%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: none;
}
.news-featured.revealed::after,
.news-mini-card.revealed::after {
  animation: newsGlint 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}
/* 大卡片光效稍早 */
.news-featured.revealed::after {
  animation-delay: 0.05s;
}
.news-mini-card:nth-child(1).revealed::after { animation-delay: 0.13s; }
.news-mini-card:nth-child(2).revealed::after { animation-delay: 0.25s; }
.news-mini-card:nth-child(3).revealed::after { animation-delay: 0.37s; }
.news-mini-card:nth-child(4).revealed::after { animation-delay: 0.49s; }

@keyframes newsGlint {
  0% {
    left: -100%;
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  100% {
    left: 120%;
    opacity: 0;
  }
}

/* ============================================================
   SOLUTIONS - 解决方案 / 产品案例
   全部内容覆盖在背景图上，标题居中 + 卡片式轮播
   ============================================================ */
.solutions-section {
  position: relative;
  padding: 0;
  background: #07172f;
  overflow: hidden;
}

/* ---- 整体展示区：背景图层 + 遮罩 + 所有内容 ---- */
.solutions-showcase {
  position: relative;
  width: 100%;
  min-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-bottom: 20px;
}

/* 背景图层：三张图叠在一起 */
.solutions-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.8s ease;
  z-index: 0;
}
.solutions-bg.active {
  opacity: 1;
  z-index: 1;
}

/* 深色遮罩 - 覆盖整个 showcase */
.solutions-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(160deg,
    rgba(7,23,47,0.92) 0%,
    rgba(7,23,47,0.78) 30%,
    rgba(7,23,47,0.70) 60%,
    rgba(7,23,47,0.88) 100%
  );
}

/* ---- 标题区（顶部居中，与其他模块统一） ---- */
.solutions-header {
  text-align: center;
  padding-top: 48px;
  position: relative;
}
.solutions-header::after {
  display: none;
}
.solutions-label {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(64,158,255,0.12);
  border: 1px solid rgba(64,158,255,0.2);
  color: #60a5fa;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}
.solutions-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}
.solutions-subtitle {
  font-size: 15px;
  color: rgba(148,163,184,0.7);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- 轮播区 ---- */
.solutions-slider {
  width: 100%;
  padding: 36px 0 20px;
  text-align: center;
}
.solution-detail {
  display: none;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
  padding: 0;
}
.solution-detail.active {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  animation: solutionIn 0.5s ease forwards;
}
@keyframes solutionIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 方案名 */
.solution-name {
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

/* 导语 */
.solution-lead {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  line-height: 1.85;
  max-width: 620px;
  margin: 0 auto 40px;
}

/* ---- 方案卡片网格 ---- */
.solution-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto 36px;
}
.solution-card-item {
  background: rgba(255,255,255,0.25);
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 32px 20px 24px;
  text-align: center;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease, background 0.35s ease, border-color 0.35s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
/* 顶部色条 */
.solution-card-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, rgba(64,158,255,0.5), rgba(64,158,255,0.2), rgba(64,158,255,0.5));
  border-radius: 16px 16px 0 0;
  transition: height 0.3s ease;
}
.solution-card-item:hover {
  transform: scale(1.04);
  background: rgba(255,255,255,0.30);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: rgba(64, 158, 255, 0.4);
}
.solution-card-item:hover::before {
  height: 6px;
}
.solution-card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(64,158,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #60a5fa;
  margin: 0 auto 16px;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.solution-card-icon svg {
  width: 22px; height: 22px;
}
.solution-card-item:hover .solution-card-icon {
  transform: scale(1.1);
  background: rgba(64,158,255,0.2);
  color: #93c5fd;
}
.solution-card-item h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  transition: color 0.3s ease;
}
.solution-card-item:hover h4 {
  color: #60a5fa;
}
.solution-card-item p {
  font-size: 13px;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
}

/* CTA 按钮 */
.solution-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 34px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0b63f6 0%, #3390ff 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  box-shadow: 0 6px 24px rgba(11,99,246,0.4), 0 0 0 1px rgba(255,255,255,0.1) inset;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  text-decoration: none;
}
.solution-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 32px rgba(11,99,246,0.5), 0 0 0 1px rgba(255,255,255,0.15) inset;
}
.solution-cta.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  background: rgba(255,255,255,0.12);
  box-shadow: none;
}

/* ---- 切换按钮导航 ---- */
.solutions-thumbs {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  padding: 0 0 12px;
  flex-wrap: wrap;
  margin-top: auto;
}
.solutions-thumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  outline: none;
}
.solutions-thumb span {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  transition: color 0.3s ease;
}
.solutions-thumb:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.14);
  box-shadow: 0 6px 20px rgba(11,99,246,0.25);
}
.solutions-thumb:hover span {
  color: rgba(255,255,255,0.95);
}
.solutions-thumb.active {
  background: linear-gradient(135deg, #0b63f6, #2b8cff);
  border-color: transparent;
  box-shadow: 0 6px 22px rgba(11,99,246,0.4);
}
.solutions-thumb.active span {
  color: #fff;
}
.solutions-thumb.active .thumb-dot {
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.25);
}
.thumb-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  flex-shrink: 0;
  transition: all 0.3s ease;
}

/* ---- 响应式 ---- */
@media (max-width: 960px) {
  .solutions-showcase {
    min-height: auto;
    padding: 60px 0 40px;
  }
  .solutions-header {
    padding-top: 0;
  }
  .solutions-title {
    font-size: 26px;
  }
  .solutions-subtitle {
    max-width: 100%;
    margin: 0 auto;
  }
  .solution-name {
    font-size: 22px;
  }
  .solution-lead {
    font-size: 13px;
    margin-bottom: 28px;
  }
  .solution-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .solution-card-item {
    padding: 24px 16px 20px;
  }
  .solutions-thumbs {
    gap: 10px;
    padding: 0 0 12px;
  }
  .solutions-thumb {
    padding: 8px 16px;
  }
  .solutions-thumb span { font-size: 12px; }
}

@media (max-width: 480px) {
  .solution-cards {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   PARTNERS - 合作企业（两行无缝滚动）
   ============================================================ */
.partners-section {
  position: relative;
  background: #0a1628;
  padding: 64px 0 56px;
  overflow: hidden;
}

/* 装饰光晕 - 左上角 */
.partners-light-top {
  position: absolute;
  top: -180px; left: -180px;
  width: 450px; height: 450px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 右下角 */
.partners-light-bottom {
  position: absolute;
  bottom: 60px; right: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.1) 0%, rgba(34,211,238,0.03) 30%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
/* 网格背景 */
.partners-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
}
/* 圆点装饰 */
.partners-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(64,158,255,0.15) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  z-index: 0;
}
/* 流动线条 */
.partners-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.partner-flow-line {
  stroke-dasharray: 180 360;
  animation: partnerLineFlow 20s linear infinite;
}
.partner-flow-line:nth-child(2) { animation-delay: -7s; }
.partner-flow-line:nth-child(3) { animation-delay: -14s; }
@keyframes partnerLineFlow {
  to { stroke-dashoffset: -1080; }
}

/* 确保内容在装饰层上方 */
.partners-section > .container {
  position: relative;
  z-index: 1;
}

/* ---- 标题区 ---- */
.partners-header {
  text-align: center;
  margin-bottom: 40px;
}
.partners-label {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(11,99,246,0.08);
  border: 1px solid rgba(11,99,246,0.16);
  color: var(--c-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.partners-title {
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}
.partners-subtitle {
  font-size: 15px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* ---- 滚动轨道容器 ---- */
.partners-track-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin-bottom: 28px;
}
.partners-track-wrap:last-child {
  margin-bottom: 0;
}

/* ---- 左右毛玻璃遮罩 ---- */
.partners-fade-left,
.partners-fade-right {
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.partners-fade-left {
  left: 0;
  background: linear-gradient(to right, #0a1628 0%, rgba(10,22,40,0.8) 40%, transparent 100%);
}
.partners-fade-right {
  right: 0;
  background: linear-gradient(to left, #0a1628 0%, rgba(10,22,40,0.8) 40%, transparent 100%);
}

/* ---- 滚动轨道 ---- */
.partners-track {
  display: flex;
  width: max-content;
  will-change: transform;
}
.partners-track-inner {
  display: flex;
  gap: 36px;
  padding: 12px 18px;
  flex-shrink: 0;
}

/* 正向滚动动画 */
.partners-track-forward {
  animation: scrollForward 30s linear infinite;
}
@keyframes scrollForward {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* 反向滚动动画 */
.partners-track-reverse {
  animation: scrollReverse 30s linear infinite;
}
@keyframes scrollReverse {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

/* ---- 单个合作项 ---- */
.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  height: 72px;
  padding: 0 24px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(148,163,184,0.15);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: box-shadow 0.35s ease, border-color 0.35s ease, transform 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}
.partner-item:hover {
  border-color: rgba(11,99,246,0.3);
  box-shadow: 0 8px 28px rgba(11,99,246,0.1), 0 2px 8px rgba(0,0,0,0.06);
  transform: scale(1.04);
}

/* 占位符样式 */
.partner-placeholder {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.3s ease;
}
.partner-item:hover .partner-placeholder {
  color: var(--c-primary);
}

/* 鼠标悬停时暂停整个滚动 */
.partners-track-wrap:hover .partners-track {
  animation-play-state: paused;
}

/* ---- 响应式 ---- */
@media (max-width: 960px) {
  .partners-section {
    padding: 48px 0 40px;
  }
  .partners-header {
    margin-bottom: 28px;
  }
  .partners-title {
    font-size: 24px;
  }
  .partners-track-inner {
    gap: 20px;
    padding: 8px 12px;
  }
  .partner-item {
    min-width: 130px;
    height: 60px;
    padding: 0 18px;
    border-radius: 12px;
  }
  .partner-placeholder {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .partners-section {
    padding: 40px 0 32px;
  }
  .partners-track-inner {
    gap: 14px;
  }
  .partner-item {
    min-width: 110px;
    height: 52px;
    padding: 0 14px;
  }
  .partner-placeholder {
    font-size: 12px;
  }
}

/* ============================================================
   ABOUT - 关于我们
   ============================================================ */
.about-section {
  position: relative;
  padding: 120px 0 130px;
  background: #0a1628;
  overflow: hidden;
}

/* 底部渐变过渡 - 平滑衔接到新闻资讯模块 */
.about-section::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 80px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(10,22,40,0.5) 40%,
    #0a1628 100%);
  pointer-events: none;
  z-index: 3;
}

/* 装饰光晕 - 右上角蓝色 */
.about-section::before {
  content: "";
  position: absolute;
  top: -150px; right: -150px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(64,158,255,0.18) 0%, rgba(64,158,255,0.06) 35%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 左下角青色 */
.about-light-bottom {
  position: absolute;
  bottom: 60px; left: -100px;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,211,238,0.12) 0%, rgba(34,211,238,0.04) 30%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
/* 装饰光晕 - 中部右侧紫色 */
.about-light-center {
  position: absolute;
  top: 45%; right: -80px;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, rgba(168,85,247,0.03) 25%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* 网格背景 */
.about-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  z-index: 0;
}

/* 点阵 */
.about-dots {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(64,158,255,0.15) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
  z-index: 0;
}

/* 流动光线 - 科技感装饰 */
.about-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.about-lines::before {
  content: "";
  position: absolute;
  top: 15%; left: -10%;
  width: 120%; height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(64,158,255,0) 15%,
    rgba(64,158,255,0.6) 30%,
    rgba(64,158,255,0.8) 45%,
    rgba(34,211,238,0.5) 60%,
    rgba(64,158,255,0) 80%,
    transparent 100%);
  animation: aboutLineFloat 8s ease-in-out infinite;
}
.about-lines::after {
  content: "";
  position: absolute;
  top: 65%; left: -10%;
  width: 120%; height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(168,85,247,0) 20%,
    rgba(168,85,247,0.5) 40%,
    rgba(64,158,255,0.4) 55%,
    rgba(168,85,247,0) 75%,
    transparent 100%);
  animation: aboutLineFloat 10s ease-in-out infinite reverse;
}
@keyframes aboutLineFloat {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(30px); opacity: 0.3; }
}

/* ---- 标题 ---- */
.about-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 1;
}
.about-label {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(64,158,255,0.12);
  border: 1px solid rgba(64,158,255,0.2);
  color: #60a5fa;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 16px;
}
.about-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
}
.about-subtitle {
  font-size: 15px;
  color: rgba(148,163,184,0.7);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- 主体：左图右文 ---- */
.about-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: stretch;
  position: relative;
  z-index: 1;
  margin-bottom: 72px;
}

/* 左侧图片 */
.about-image {
  display: flex;
}
.about-img-wrapper {
  position: relative;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.15);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease;
}
.about-img-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.35), 0 8px 24px rgba(0,0,0,0.2);
}
.about-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 图片底部渐变遮罩 + 文字 */
.about-img-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(to top, rgba(7,23,47,0.7) 0%, rgba(7,23,47,0.25) 50%, transparent 100%);
  pointer-events: none;
}
.about-img-text {
  position: absolute;
  bottom: 28px; right: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.about-img-year {
  font-size: 48px;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.about-img-year span {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, #22d3ee, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-img-label {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

/* 右侧文案 */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.about-intro {
  font-size: 15px;
  color: rgba(203,213,225,0.9);
  line-height: 2;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, var(--c-primary), var(--c-cyan)) 1;
}

/* 三大支柱 — 色彩方案 */
/* 支柱1：蓝色 */
.pillar-vision {
  --pillar-color: #3b82f6;
  --pillar-bg: rgba(59,130,246,0.06);
  --pillar-border: rgba(59,130,246,0.15);
  --pillar-shadow: rgba(59,130,246,0.12);
}
/* 支柱2：紫色 */
.pillar-path {
  --pillar-color: #a855f7;
  --pillar-bg: rgba(168,85,247,0.06);
  --pillar-border: rgba(168,85,247,0.15);
  --pillar-shadow: rgba(168,85,247,0.12);
}
/* 支柱3：橙色 */
.pillar-coop {
  --pillar-color: #f59e0b;
  --pillar-bg: rgba(245,158,11,0.06);
  --pillar-border: rgba(245,158,11,0.15);
  --pillar-shadow: rgba(245,158,11,0.12);
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-pillar {
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease, background 0.35s ease;
  position: relative;
  overflow: hidden;
}
/* 左侧颜色指示条 */
.about-pillar::before {
  content: "";
  position: absolute;
  left: 0; top: 12px; bottom: 12px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--pillar-color);
  transition: top 0.35s ease, bottom 0.35s ease;
}
.about-pillar:hover {
  transform: translateX(4px);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2), 0 2px 8px var(--pillar-shadow);
  border-color: var(--pillar-border);
}
.about-pillar:hover::before {
  top: 0; bottom: 0;
}

.pillar-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pillar-bg);
  color: var(--pillar-color);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.about-pillar:hover .pillar-icon {
  background: var(--pillar-color);
  color: #fff;
  transform: scale(1.1);
}
.pillar-icon svg {
  width: 20px; height: 20px;
}
.pillar-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  margin-bottom: 5px;
  transition: color 0.3s ease;
}
.about-pillar:hover .pillar-text h4 {
  color: var(--pillar-color);
}
.pillar-text p {
  font-size: 13px;
  color: rgba(148,163,184,0.7);
  line-height: 1.75;
}

/* ---- 底部区域：左侧2×2数据卡片 + 右侧环形图 各占50% ---- */
.about-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: stretch;
  position: relative;
  z-index: 1;
  margin-top: 56px;
}

/* ---- 数据亮点 ---- */
.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: 1fr;          /* 严格统一每行高度，保证4个卡片完全等高 */
  gap: 28px;
  position: relative;
  z-index: 1;
}
.about-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.08);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, background 0.35s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(64,158,255,0.04), 0 0 80px rgba(64,158,255,0.02);
}
.about-stat-item::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 3px;
  border-radius: 0 0 3px 3px;
  transition: width 0.35s ease;
}
/* 4个数据卡片不同顶部色 */
.about-stat-item:nth-child(1)::before { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.about-stat-item:nth-child(2)::before { background: linear-gradient(90deg, #a855f7, #c084fc); }
.about-stat-item:nth-child(3)::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.about-stat-item:nth-child(4)::before { background: linear-gradient(90deg, #10b981, #34d399); }

.about-stat-item:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.08);
  box-shadow: 0 12px 36px rgba(0,0,0,0.25);
}
.about-stat-item:hover::before {
  width: 60px;
}
.about-stat-num {
  display: block;
  font-size: clamp(32px, 5vw, 42px);
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  line-height: 1.2;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.about-stat-num .stat-count {
  background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* 每个数据卡数字不同渐变 */
.about-stat-item:nth-child(1) .stat-count {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-stat-item:nth-child(2) .stat-count {
  background: linear-gradient(135deg, #a855f7, #c084fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-stat-item:nth-child(3) .stat-count {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-stat-item:nth-child(4) .stat-count {
  background: linear-gradient(135deg, #10b981, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* + 和 % 符号跟随对应卡片渐变 */
.about-stat-item:nth-child(1) .about-stat-num { color: #60a5fa; }
.about-stat-item:nth-child(2) .about-stat-num { color: #c084fc; }
.about-stat-item:nth-child(3) .about-stat-num { color: #fbbf24; }
.about-stat-item:nth-child(4) .about-stat-num { color: #34d399; }

.about-stat-label {
  font-size: 13px;
  color: rgba(148,163,184,0.6);
  font-weight: 500;
  letter-spacing: 0.03em;
}
.about-stat-desc {
  font-size: 12px;
  color: rgba(148,163,184,0.45);
  font-weight: 400;
  line-height: 1.6;
  margin-top: 6px;
  max-width: 180px;
}

/* ---- 滚动进入动画 ---- */
.about-image,
.about-content,
.about-stat-item {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.about-image {
  transform: translateX(-40px);
}
.about-content {
  transform: translateX(40px);
}
.about-image.revealed {
  opacity: 1;
  transform: translateX(0);
}
.about-content.revealed {
  opacity: 1;
  transform: translateX(0);
}
.about-stat-item.revealed {
  opacity: 1;
  transform: translateY(0);
}
/* 数据卡片交错 */
.about-stat-item:nth-child(1) { transition-delay: 0s; }
.about-stat-item:nth-child(2) { transition-delay: 0.1s; }
.about-stat-item:nth-child(3) { transition-delay: 0.2s; }
.about-stat-item:nth-child(4) { transition-delay: 0.3s; }

/* ---- 关于我们 - 环形图区域 ---- */
.about-chart-area {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(148, 163, 184, 0.08);
  border-radius: 20px;
  padding: 32px 28px 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.about-chart-title {
  font-size: 17px;
  font-weight: 700;
  color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  text-align: center;
  flex-shrink: 0;
}
.about-chart-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 0 20px;
  width: 100%;
  box-sizing: border-box;
}
.about-donut-canvas {
  flex-shrink: 0;
  width: 220px;
  height: 220px;
  filter: drop-shadow(0 0 24px rgba(64,158,255,0.12));
}
.about-chart-legend {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 14px;
  text-align: left;
  justify-content: center;
  padding: 4px 8px;
  width: 100%;
}
.about-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  white-space: nowrap;
  flex-shrink: 0;
  color: rgba(203,213,225,0.85);
  transition: transform 0.3s ease, color 0.3s ease;
  cursor: default;
}
.about-legend-item:hover {
  transform: translateY(-2px);
  color: #fff;
}
.about-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
  box-shadow: 0 0 8px currentColor;
}
.about-legend-val {
  font-weight: 700;
  font-size: 12px;
  color: rgba(255,255,255,0.9);
}

/* ---- 关于我们响应式 ---- */
@media (max-width: 960px) {
  .about-section { padding: 80px 0 90px; }
  .about-main {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
  }
  .about-img-wrapper { height: 300px; }
  .about-img-wrapper img { height: 100%; }
  .about-img-text { bottom: 20px; right: 20px; }
  .about-img-year { font-size: 36px; }
  .about-img-year span { font-size: 22px; }
  .about-img-label { font-size: 12px; }
  .about-bottom {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .about-stat-item { padding: 24px 16px; }
  .about-pillar { padding: 16px; }
  .about-intro {
    font-size: 14px;
    padding-left: 16px;
  }
  .about-chart-area {
    position: static;
  }
  .about-chart-wrapper {
    gap: 20px;
    padding: 0 16px;
  }
  .about-donut-canvas {
    width: 200px;
    height: 200px;
  }
  .about-chart-legend {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    padding: 4px 6px;
    width: 100%;
  }
  .about-legend-item {
    font-size: 11px;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .about-bottom {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .about-donut-canvas {
    width: 180px;
    height: 180px;
  }
  .about-chart-legend {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    padding: 4px 4px;
    width: 100%;
  }
  .about-legend-item {
    font-size: 10px;
    white-space: nowrap;
    gap: 4px;
  }
  .about-legend-val {
    font-size: 11px;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .banner { height: 85vh; min-height: 560px; }
  .banner-slogan { top: 32%; }
  .banner-arrow { width: 40px; height: 40px; opacity: 0.7; }
  .banner-arrow-left  { left: 12px; }
  .banner-arrow-right { right: 12px; }
  .banner-dots { bottom: 28px; }

  .services-section { padding: 90px 0 110px; }
  .services-cards { grid-template-columns: 1fr; gap: 20px; }
  .service-card-inner { padding: 36px 24px 32px; }

  .scenarios-section { padding: 80px 0 100px; }
  .scenarios-main {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .scenarios-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .scenario-card { padding: 28px 24px; }

  .news-section { padding: 80px 0 90px; }
  .news-grid { grid-template-columns: 1fr; gap: 20px; }
  .news-featured .news-card-img { height: 180px; }
  .news-featured .news-card-body { padding: 22px 24px 26px; }
  .news-featured .news-card-title { font-size: 18px; }
  .news-mini-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .news-mini-card { padding: 18px 16px 16px; }
  .news-mini-title { font-size: 14px; }
  .news-btn-more { padding: 10px 28px; font-size: 14px; }

  .menu-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 72px;
    left: 14px; right: 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s var(--ease-out);
    pointer-events: none;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-item > a {
    color: #334155;
    padding: 14px 16px;
    border-radius: 12px;
    width: 100%;
    justify-content: space-between;
  }
  .nav-item > a:hover,
  .nav-item > a.active {
    color: var(--c-primary);
    background: #f1f5f9;
  }
  .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0 0 0 20px;
    display: none;
    min-width: auto;
  }
  .nav-item.dropdown-open .dropdown {
    display: block;
  }
  .nav-item:hover .dropdown { transform: none; }
  .nav-item:hover > a .arrow { transform: none; }
  .nav-item.dropdown-open > a .arrow { transform: rotate(180deg); }
  .dropdown a {
    color: #475569;
    font-size: 13px;
    padding: 10px 14px;
  }
  .dropdown a:hover {
    background: #f1f5f9;
    color: var(--c-primary);
  }
}

/* ===== 页脚 / 联系我们 ===== */
.site-footer {
  position: relative;
  background: #06101f;
  padding: 40px 0 24px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* 背景光晕 */
.footer-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.06;
}
.footer-glow-left {
  top: -200px;
  left: -180px;
  background: radial-gradient(circle, #409EFF 0%, transparent 70%);
}
.footer-glow-right {
  bottom: -200px;
  right: -150px;
  background: radial-gradient(circle, #22d3ee 0%, transparent 70%);
}

/* 网格背景 */
.footer-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(64, 158, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(64, 158, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* 顶部发光线 - 缓慢扫描 */
.footer-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(64, 158, 255, 0) 20%,
    rgba(64, 158, 255, 0.5) 50%,
    rgba(34, 211, 238, 0.3) 70%,
    transparent 100%);
  pointer-events: none;
  z-index: 0;
  animation: footerShine 5s ease-in-out infinite;
}
@keyframes footerShine {
  0%   { left: -100%; }
  100% { left: 100%; }
}
.site-footer .container {
  position: relative;
  z-index: 1;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

/* 左侧二维码区域 */
.footer-qr {
  display: flex;
  gap: 32px;
  flex-shrink: 0;
}
.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.qr-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  border: 1.5px dashed rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.35);
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.qr-placeholder:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.55);
}
.qr-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* 右侧联系信息 */
.footer-contact {
  flex: 1;
  min-width: 260px;
  max-width: 520px;
}
.footer-title {
  font-size: 24px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.contact-label {
  flex-shrink: 0;
  width: 72px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.04em;
}
.contact-value {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  transition: color 0.3s ease;
  line-height: 1.6;
  word-break: break-all;
}
.contact-value:hover {
  color: #409EFF;
}

/* 分隔线 - 渐变 */
.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.12) 20%, rgba(64, 158, 255, 0.2) 50%, rgba(255, 255, 255, 0.12) 80%, transparent 100%);
  margin: 28px 0 16px;
}

/* 底部版权信息 - 居中 */
.footer-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom p {
  margin: 0;
}
.footer-beian {
  color: rgba(255, 255, 255, 0.45);
  text-decoration: none;
  transition: color 0.3s ease;
  margin-left: 4px;
}
.footer-beian:hover {
  color: #409EFF;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .site-footer {
    padding: 36px 0 20px;
  }
  .footer-main {
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
  .footer-qr {
    justify-content: center;
  }
  .footer-contact {
    text-align: center;
    max-width: 100%;
  }
  .footer-contact-list {
    align-items: center;
  }
  .contact-row {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
  .contact-value {
    max-width: 280px;
    word-break: break-all;
  }
  .contact-label {
    width: auto;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }
  .footer-beian {
    margin-left: 0;
  }
}