/* ============================================================
   武汉爱科森网络科技有限公司 · 微官网 v15
   浅色商务蓝风格（参考新视窗官网版面）
   ============================================================ */

:root {
  --primary: #1e5bff;
  --primary-2: #00b4ff;
  --primary-dark: #0a3fd9;
  --primary-soft: #e8efff;
  --primary-bg: #f4f7ff;

  --accent-cyan: #00b4ff;
  --accent-green: #00b4a0;
  --accent-purple: #7c5cfc;
  --accent-orange: #f08c2a;
  --accent-red: #e84b5a;

  --text-1: #0f1a33;
  --text-2: #2c3e5a;
  --text-3: #5a6b85;
  --text-4: #8a9ab3;
  --text-5: #b8c4d6;

  --bg-1: #ffffff;
  --bg-2: #f7f9fc;
  --bg-3: #edf2f8;

  --border: #e6ecf5;
  --border-2: #dce4f0;

  --shadow-sm: 0 2px 8px rgba(15, 26, 51, 0.04);
  --shadow: 0 8px 24px rgba(15, 26, 51, 0.06);
  --shadow-lg: 0 16px 40px rgba(15, 26, 51, 0.1);
  --shadow-xl: 0 24px 60px rgba(30, 91, 255, 0.18);
  --shadow-blue: 0 12px 32px rgba(30, 91, 255, 0.18);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  --container: 1240px;

  --font-cn:
    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-en: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-2);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img,
svg {
  display: block;
  max-width: 100%;
}
ul {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

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

/* ============================================================
   顶部导航
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: all 0.3s var(--ease);
}
.navbar.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand__img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: transform 0.25s var(--ease);
}

.brand:hover .brand__img {
  transform: scale(1.04);
}

/* footer 仍使用 SVG 小标 + 文字布局（保留旧用法） */
.footer__brand .brand__logo svg {
  width: 36px;
  height: 36px;
}

.navbar__menu {
  display: flex;
  gap: 2px;
}
.navbar__menu a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px;
  transition: all 0.2s var(--ease);
  position: relative;
}
.navbar__menu a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.navbar__menu a.is-active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 600;
}
.navbar__menu a.is-active::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--primary);
  border-radius: 50%;
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 100px;
  box-shadow: var(--shadow-blue);
  transition: all 0.25s var(--ease);
}
.navbar__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(30, 91, 255, 0.32);
}

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.navbar__burger span {
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 1px;
  transition: all 0.25s var(--ease);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding: 132px 0 80px;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.hero-bg__grad {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 60% 70% at 80% 20%,
      rgba(0, 180, 255, 0.1),
      transparent 60%
    ),
    radial-gradient(
      ellipse 60% 60% at 10% 90%,
      rgba(30, 91, 255, 0.1),
      transparent 60%
    ),
    linear-gradient(180deg, #fafcff 0%, #f4f7ff 100%);
}
.hero-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 91, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 91, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    black 30%,
    transparent 80%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 70% 70% at 50% 50%,
    black 30%,
    transparent 80%
  );
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
}

/* 流星动画 */
.meteor-shower {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.meteor-shower-global {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 5;
  pointer-events: none;
}

.cursor-trail-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 120;
}

.cursor-trail-layer canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.meteor {
  position: absolute;
  width: 1px;
  height: 1px;
  background: var(--meteor-core, #ff4d4d);
  border-radius: 50%;
  box-shadow:
    0 0 5px 1px var(--meteor-glow-1, rgba(255, 77, 77, 0.8)),
    0 0 10px 2px var(--meteor-glow-2, rgba(255, 184, 77, 0.65)),
    0 0 16px 3px var(--meteor-glow-3, rgba(77, 77, 255, 0.45));
  will-change: transform, opacity;
  transform-origin: center center;
  animation: meteor-fall 5.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.meteor::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -72px;
  width: 72px;
  height: 1px;
  background: linear-gradient(
    to left,
    var(--meteor-tail-1, rgba(255, 77, 77, 0.95)),
    var(--meteor-tail-2, rgba(255, 184, 77, 0.65)),
    var(--meteor-tail-3, rgba(77, 255, 255, 0.45)),
    transparent
  );
  filter: blur(0.8px);
  pointer-events: none;
  transform: translateY(-50%);
}

@keyframes meteor-fall {
  0% {
    opacity: 1;
    transform: translate(0, 0) rotateZ(var(--angle, 45deg));
  }
  to {
    opacity: 0;
    transform: translate(var(--meteor-dx, 1200px), var(--meteor-dy, 1200px))
      rotateZ(var(--angle, 45deg));
  }
}

/* 飞艇动画 */
.airship-container {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
}

.airship {
  position: absolute;
  width: 46px;
  height: 27px;
  left: -70px;
  will-change: transform, opacity;
}

.airship-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(30, 91, 255, 0.25));
}

@keyframes airship-fly {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(var(--tilt-start, 0deg))
      scaleX(var(--face, 1));
  }
  5% {
    opacity: 0.7;
  }
  50% {
    transform: translate3d(var(--mid-x, 50vw), var(--mid-y, 0px), 0)
      rotate(var(--tilt-mid, 0deg)) scaleX(var(--face, 1));
  }
  95% {
    opacity: 0.7;
  }
  to {
    transform: translate3d(var(--end-x, 100vw), var(--end-y, 0px), 0)
      rotate(var(--tilt-end, 0deg)) scaleX(var(--face, 1));
    opacity: 0;
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--primary-dark);
  background: white;
  border: 1px solid var(--primary-soft);
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00c68f;
  box-shadow: 0 0 0 3px rgba(0, 198, 143, 0.18);
  animation: chip-pulse 2s ease-in-out infinite;
}
@keyframes chip-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(0, 198, 143, 0.18);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(0, 198, 143, 0.05);
  }
}

.hero__title {
  margin: 24px 0 18px;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
.hero__title-l1 {
  display: block;
  font-size: clamp(32px, 4.6vw, 56px);
  color: var(--text-1);
}
.hero__title-l2 {
  display: block;
  font-size: clamp(28px, 4.1vw, 50px);
  white-space: nowrap;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.hero__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-3);
  max-width: 540px;
  margin-bottom: 32px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 100px;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
}
.btn--primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(30, 91, 255, 0.32);
}
.btn--ghost {
  color: var(--text-1);
  background: white;
  border: 1.5px solid var(--border-2);
}
.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.btn__arrow {
  font-size: 18px;
  transition: transform 0.25s var(--ease);
}
.btn--primary:hover .btn__arrow {
  transform: translateX(4px);
}

.hero__highlights {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero__highlights li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__highlights strong {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.02em;
}
.hero__highlights span {
  font-size: 12px;
  color: var(--text-4);
  letter-spacing: 0.05em;
}

/* Hero 右侧卡片组 */
.hero__right {
  position: relative;
  height: 520px;
}

.hero-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.hero-card--main {
  top: 30px;
  right: 0;
  left: 30px;
  z-index: 2;
  animation: float-1 6s ease-in-out infinite;
}

.hero-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 20px;
}
.hero-card__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.dot--g {
  background: #00c68f;
  box-shadow: 0 0 0 3px rgba(0, 198, 143, 0.18);
  animation: chip-pulse 2s ease-in-out infinite;
}
.hero-card__time {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-4);
}

.hero-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
.hc-metric {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--bg-2);
  transition: all 0.25s var(--ease);
}
.hc-metric:hover {
  transform: translateY(-2px);
  background: var(--primary-soft);
}
.hc-metric__icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
}
.hc-metric__icon svg {
  width: 20px;
  height: 20px;
}
.hc-metric__icon--1 {
  background: #e8efff;
  color: var(--primary);
}
.hc-metric__icon--2 {
  background: #fff3e5;
  color: var(--accent-orange);
}
.hc-metric__icon--3 {
  background: #e6f8f4;
  color: var(--accent-green);
}
.hc-metric__icon--4 {
  background: #f0ebff;
  color: var(--accent-purple);
}

.hc-metric__num {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-1);
  line-height: 1.1;
  letter-spacing: 0.01em;
}
.hc-metric__sym {
  font-size: 14px;
  color: var(--text-3);
  margin-left: 2px;
}
.hc-metric__label {
  font-size: 11px;
  color: var(--text-4);
  margin-top: 2px;
}

.hero-card__chart {
  position: relative;
  height: 88px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-2), white);
}
.hero-card__chart svg {
  width: 100%;
  height: 100%;
}
.chart-line {
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: draw 2.4s ease-out 0.4s forwards;
}
@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

.hero-card--small {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  z-index: 3;
}

.hero-card--ai {
  bottom: 80px;
  left: 0;
  width: auto;
  animation: float-2 5s ease-in-out infinite;
}
.hero-card--shield {
  bottom: 0;
  right: 30px;
  width: auto;
  animation: float-3 7s ease-in-out infinite;
}

.hero-card-ai__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
}
.hero-card-ai__icon--green {
  background: linear-gradient(135deg, var(--accent-green), #00d6bf);
}
.hero-card-ai__icon svg {
  width: 22px;
  height: 22px;
}

.hero-card-ai__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 2px;
}
.hero-card-ai__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.1em;
}

@keyframes float-1 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}
@keyframes float-2 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
@keyframes float-3 {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}

/* ============================================================
   数据成果 Banner
   ============================================================ */
.achievement {
  position: relative;
  padding: 0 0 40px;
}
.achievement__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(30, 91, 255, 0.25);
}
.achievement__grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 180, 255, 0.4), transparent 40%),
    radial-gradient(
      circle at 80% 70%,
      rgba(255, 255, 255, 0.12),
      transparent 40%
    );
  pointer-events: none;
}
.achievement__grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.ach-item {
  position: relative;
  text-align: center;
  padding: 0 16px;
  z-index: 1;
}
.ach-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(255, 255, 255, 0.18),
    transparent
  );
}

.ach-item__num {
  display: inline-flex;
  align-items: baseline;
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 900;
  color: white;
  line-height: 1;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.ach-item__suffix {
  font-size: 28px;
  margin-left: 2px;
}
.ach-item__label {
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.ach-item__desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.03em;
}

/* ============================================================
   Section 通用
   ============================================================ */
.section {
  position: relative;
  padding: 100px 0;
}
.section--alt {
  background: var(--bg-2);
}

.sec-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.sec-head__eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--primary);
  padding: 5px 14px;
  background: var(--primary-soft);
  border-radius: 100px;
  margin-bottom: 18px;
}
.sec-head__title {
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.02em;
  line-height: 1.3;
  margin-bottom: 14px;
}
.sec-head__desc {
  font-size: 15px;
  color: var(--text-3);
  line-height: 1.8;
}

/* ============================================================
   业务方向（六大彩色卡片）
   ============================================================ */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.biz {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border);
  transition: all 0.35s var(--ease);
  overflow: hidden;
  isolation: isolate;
}
.biz::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--biz-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.biz::after {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 160px;
  height: 160px;
  background: var(--biz-bg);
  border-radius: 50%;
  z-index: -1;
  transition: transform 0.4s var(--ease);
}
.biz:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.biz:hover::before {
  transform: scaleX(1);
}
.biz:hover::after {
  transform: scale(1.5);
}

.biz__num {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--biz-color);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.biz__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--biz-bg);
  color: var(--biz-color);
  margin-bottom: 22px;
  transition: transform 0.4s var(--ease);
}
.biz__icon svg {
  width: 32px;
  height: 32px;
}
.biz:hover .biz__icon {
  transform: scale(1.08) rotate(-4deg);
}

.biz__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.biz__brand {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--biz-color);
  background: var(--biz-bg);
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 4px;
  vertical-align: 2px;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.biz__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-3);
  margin-bottom: 20px;
  min-height: 78px;
}

.biz__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}
.biz__tags li {
  font-size: 12px;
  color: var(--biz-color);
  padding: 4px 10px;
  background: var(--biz-bg);
  border-radius: 4px;
  letter-spacing: 0.02em;
  font-weight: 500;
}

/* ============================================================
   核心能力
   ============================================================ */
.cap-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cap {
  background: white;
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: all 0.35s var(--ease);
}
.cap::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%);
  border-radius: 50%;
  z-index: -1;
  transform: translate(60px, -60px);
}
.cap--alt::before {
  background: radial-gradient(circle, #e6f8f4, transparent 70%);
}
.cap:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-soft);
}

.cap__head {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--border);
}
.cap__index {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--primary);
  margin-bottom: 16px;
}
.cap--alt .cap__index {
  color: var(--accent-green);
}

.cap__icon-box {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  margin-bottom: 18px;
  box-shadow: var(--shadow-blue);
}
.cap__icon-box--alt {
  background: linear-gradient(135deg, var(--accent-green), #00d6bf);
  box-shadow: 0 12px 32px rgba(0, 180, 160, 0.22);
}
.cap__icon-box svg {
  width: 30px;
  height: 30px;
}

.cap__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.cap__sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-4);
  letter-spacing: 0.12em;
}

.cap__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.cap__list li {
  display: flex;
  gap: 16px;
  padding: 16px 18px;
  background: var(--bg-2);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
  transition: all 0.25s var(--ease);
}
.cap--alt .cap__list li {
  border-left-color: var(--accent-green);
}
.cap__list li:hover {
  background: var(--primary-soft);
  transform: translateX(4px);
}
.cap--alt .cap__list li:hover {
  background: #e6f8f4;
}

.cap__list-num {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
  padding-top: 2px;
  min-width: 22px;
}
.cap--alt .cap__list-num {
  color: var(--accent-green);
}

.cap__list strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.cap__list p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.65;
}

/* ============================================================
   典型案例
   ============================================================ */
.case-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.case-tab {
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
  background: white;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all 0.25s var(--ease);
}
.case-tab:hover {
  color: var(--primary);
  border-color: var(--primary-soft);
  background: var(--primary-soft);
}
.case-tab.is-active {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}

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

.case {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s var(--ease);
}
.case.is-hidden {
  display: none;
}
.case:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.case__image {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.case__image--water {
  background: linear-gradient(135deg, #1e5bff, #00b4ff);
}
.case__image--health {
  background: linear-gradient(135deg, #00b4a0, #00d6bf);
}
.case__image--park {
  background: linear-gradient(135deg, #f08c2a, #ffb95e);
}
.case__image--archive {
  background: linear-gradient(135deg, #7c5cfc, #a688ff);
}

.case__image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}
.case__image::after {
  content: "";
  position: absolute;
  bottom: -40%;
  right: -10%;
  width: 200%;
  height: 80%;
  background: rgba(255, 255, 255, 0.06);
  transform: rotate(-12deg);
}

.case__cat {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: white;
  background: rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(10px);
  border-radius: 4px;
  letter-spacing: 0.06em;
  z-index: 2;
}

.case__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0.55;
  transition: opacity 0.35s var(--ease);
  z-index: 1;
}
.case__overlay svg {
  width: 80px;
  height: 80px;
}
.case:hover .case__overlay {
  opacity: 0.85;
  transform: scale(1.06);
}

.case__body {
  padding: 24px 26px 26px;
}
.case__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.5;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.case__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-3);
  margin-bottom: 14px;
  min-height: 68px;
}
.case__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.case__tags span {
  font-size: 11px;
  color: var(--primary);
  padding: 3px 8px;
  background: var(--primary-soft);
  border-radius: 4px;
  letter-spacing: 0.02em;
  font-weight: 500;
}

/* ============================================================
   关于我们
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__title {
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 800;
  color: var(--text-1);
  line-height: 1.25;
  margin: 18px 0 28px;
  letter-spacing: 0.01em;
}
.about__title-em {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.about__intro p {
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-3);
  margin-bottom: 16px;
}
.about__intro strong {
  color: var(--primary);
  font-weight: 700;
}

.about__quals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.qual {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-2);
  background: white;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-weight: 500;
  transition: all 0.2s var(--ease);
}
.qual:hover {
  color: var(--primary);
  border-color: var(--primary-soft);
  background: var(--primary-soft);
}

/* 三大角色定位卡（右侧） */
.about-layout__right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.role-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 26px 28px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.role-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  transform: scaleY(0.3);
  transform-origin: top;
  transition: transform 0.35s var(--ease);
}
.role-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.role-card:hover::before {
  transform: scaleY(1);
}

.role-card--1::before {
  background: var(--primary);
}
.role-card--2::before {
  background: var(--accent-cyan);
}
.role-card--3::before {
  background: var(--accent-purple);
}

.role-card__index {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 900;
  color: var(--primary-soft);
  line-height: 1;
  flex-shrink: 0;
}
.role-card--2 .role-card__index {
  color: rgba(0, 180, 255, 0.18);
}
.role-card--3 .role-card__index {
  color: rgba(124, 92, 252, 0.18);
}

.role-card__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
}
.role-card--2 .role-card__icon {
  background: #e0f4ff;
  color: var(--accent-cyan);
}
.role-card--3 .role-card__icon {
  background: #f0ebff;
  color: var(--accent-purple);
}
.role-card__icon svg {
  width: 28px;
  height: 28px;
}

.role-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.role-card__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

/* ============================================================
   核心团队
   ============================================================ */
.talents {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.talent-card {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.talent-card--1 {
  background: linear-gradient(135deg, #e8efff 0%, #dce7ff 100%);
}
.talent-card--2 {
  background: linear-gradient(135deg, #fff3e5 0%, #ffe5d9 100%);
}
.talent-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent 30%,
    rgba(255, 255, 255, 0.5) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: badge-shine 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes badge-shine {
  0%,
  100% {
    background-position: -100% 0;
  }
  50% {
    background-position: 200% 0;
  }
}
.talent-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.talent-card__crown {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.talent-card--2 .talent-card__crown {
  color: var(--accent-orange);
}
.talent-card__crown svg {
  width: 36px;
  height: 36px;
}

.talent-card__body {
  flex: 1;
  position: relative;
  z-index: 1;
}
.talent-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--primary);
  padding: 3px 9px;
  background: white;
  border-radius: 4px;
  margin-bottom: 8px;
  font-weight: 600;
}
.talent-card--2 .talent-card__tag {
  color: var(--accent-orange);
}
.talent-card__title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.talent-card__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.06em;
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.member {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.member__avatar {
  position: relative;
  width: 90px;
  height: 90px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.member__avatar--1 {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
}
.member__avatar--2 {
  background: linear-gradient(135deg, var(--accent-green), #00d6bf);
}
.member__avatar--3 {
  background: linear-gradient(135deg, var(--accent-purple), #a688ff);
}
.member__avatar--4 {
  background: linear-gradient(135deg, var(--accent-orange), #ffb95e);
}
.member__avatar svg {
  width: 60px;
  height: 60px;
}

.member__role {
  position: absolute;
  bottom: 4px;
  right: 4px;
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-1);
  background: white;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.1em;
  box-shadow: var(--shadow-sm);
}

.member__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.member__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-4);
  margin-bottom: 16px;
}

.member__honors {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.member__honors li {
  font-size: 12px;
  color: var(--text-2);
  padding: 5px 10px;
  background: var(--bg-2);
  border-radius: 100px;
  letter-spacing: 0.02em;
}
.member__honors li:first-child {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

/* ============================================================
   知识产权
   ============================================================ */
.ip-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
}
.ip-block {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
}
.ip-block:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.ip-block__top {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--border);
}
.ip-block__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  box-shadow: var(--shadow-blue);
}
.ip-block__icon--alt {
  background: linear-gradient(135deg, var(--accent-orange), #ffb95e);
  box-shadow: 0 10px 26px rgba(240, 140, 42, 0.25);
}
.ip-block__icon svg {
  width: 28px;
  height: 28px;
}

.ip-block__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.ip-block__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.12em;
}

.ip-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 24px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--primary-soft) 0%, #dce7ff 100%);
  border-radius: var(--radius);
}
.ip-block--patent .ip-stat {
  background: linear-gradient(135deg, #fff3e5 0%, #ffe5d9 100%);
}
.ip-stat__num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-en);
  font-weight: 900;
  line-height: 1;
  color: var(--primary);
}
.ip-block--patent .ip-stat__num {
  color: var(--accent-orange);
}
.ip-stat__num span:first-child {
  font-size: 56px;
}
.ip-stat__unit {
  font-size: 22px;
  font-weight: 800;
}
.ip-stat__label {
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.ip-block__lead {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.ip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ip-tags span {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-2);
  background: var(--bg-2);
  border-radius: 100px;
  border: 1px solid var(--border);
  font-weight: 500;
  transition: all 0.2s var(--ease);
}
.ip-tags span:hover {
  color: var(--primary);
  border-color: var(--primary-soft);
  background: var(--primary-soft);
  transform: translateY(-2px);
}
.ip-tags__more {
  background: transparent !important;
  border-style: dashed !important;
  color: var(--text-4) !important;
}

/* 软件著作权 - 业务领域图标网格 */
.ip-domains {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.ip-domain {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 8px 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
  transition: all 0.25s var(--ease);
  cursor: default;
}
.ip-domain:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px -8px rgba(30, 91, 255, 0.35);
}
.ip-domain__icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: all 0.25s var(--ease);
}
.ip-domain__icon svg {
  width: 22px;
  height: 22px;
}
.ip-domain:hover .ip-domain__icon {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
}
.ip-domain span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.ip-domain:hover span {
  color: var(--primary);
}
.ip-domain--more {
  border-style: dashed;
  background: transparent;
}
.ip-domain--more .ip-domain__icon {
  color: var(--text-4);
  background: transparent;
  border-style: dashed;
}
.ip-domain--more span {
  color: var(--text-4);
}

.patent-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}
.ptype {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-2);
  border-radius: var(--radius);
}
.ptype__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  background: linear-gradient(135deg, var(--accent-orange), #ffb95e);
  border-radius: 10px;
}
.ptype strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
}
.ptype small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-4);
  letter-spacing: 0.08em;
}

.ip-coverage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ipc {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px;
  background: var(--bg-2);
  border-radius: var(--radius);
  color: var(--accent-orange);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: all 0.25s var(--ease);
}
.ipc svg {
  width: 26px;
  height: 26px;
}
.ipc:hover {
  background: #fff3e5;
  transform: translateY(-3px);
}
.ipc span {
  color: var(--text-1);
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.contact-card__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
}
.contact-card__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 180, 255, 0.4), transparent 50%),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 255, 255, 0.1),
      transparent 50%
    );
}
.contact-card__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.contact-card__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  padding: 64px 60px;
  z-index: 1;
}

.contact-info__eyebrow {
  background: rgba(255, 255, 255, 0.18) !important;
  color: white !important;
  backdrop-filter: blur(10px);
}
.contact-info__title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800;
  color: white;
  margin: 16px 0 10px;
  letter-spacing: 0.02em;
}
.contact-info__sub {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.3s var(--ease);
}
.contact-list li:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateX(4px);
}
.contact-list__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  color: white;
}
.contact-list__icon svg {
  width: 20px;
  height: 20px;
}
.contact-list__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.contact-list__val {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: white;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.contact-list__val--link {
  border-bottom: 1px dashed transparent;
  transition: border-color 0.2s var(--ease);
}
.contact-list__val--link:hover {
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

.contact-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
}
.contact-brand__logo svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
}
.contact-brand__cn {
  font-size: 28px;
  font-weight: 900;
  color: white;
  letter-spacing: 0.1em;
  line-height: 1;
}
.contact-brand__en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4em;
  color: rgba(255, 255, 255, 0.85);
  margin: 6px 0 18px;
}
.contact-brand__tagline {
  font-size: 13px;
  line-height: 2.1;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 18px;
}
.contact-brand__divider {
  width: 50px;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  margin-bottom: 16px;
}
.contact-brand__name {
  font-size: 12px;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}
.contact-brand__name-en {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: #0f1a33;
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer__brand-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer__brand-text span {
  font-size: 16px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.04em;
}
.footer__brand-text small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}
.footer__intro {
  font-size: 13px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}

.footer__col h5 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s var(--ease);
}
.footer__col a:hover {
  color: white;
}

.footer__contact li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
}

.footer__bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
}

/* ============================================================
   合作伙伴 / 行业客户矩阵
   ============================================================ */
.partners-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 48px;
}
.pstat {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.pstat::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.pstat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.pstat:hover::after {
  transform: scaleX(1);
}

.pstat__num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
}
.pstat__label {
  font-size: 14px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 36px;
}

.partner-cell {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.partner-cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  z-index: -1;
}
.partner-cell:hover {
  transform: translateY(-4px);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}
.partner-cell:hover::before {
  opacity: 1;
}

.partner-cell__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  margin-bottom: 12px;
  transition: all 0.3s var(--ease);
}
.partner-cell__icon svg {
  width: 32px;
  height: 32px;
}
.partner-cell:hover .partner-cell__icon {
  color: white;
  transform: scale(1.1);
}

.partner-cell__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 3px;
  letter-spacing: 0.04em;
  transition: color 0.3s var(--ease);
}
.partner-cell:hover .partner-cell__name {
  color: white;
}

.partner-cell__en {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-4);
  letter-spacing: 0.06em;
  transition: color 0.3s var(--ease);
}
.partner-cell:hover .partner-cell__en {
  color: rgba(255, 255, 255, 0.85);
}

.partners-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-3);
  text-align: center;
  padding: 18px 24px;
  background: white;
  border-radius: 100px;
  border: 1px dashed var(--border-2);
  max-width: 800px;
  margin: 0 auto;
}
.partners-foot__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00c68f;
  box-shadow: 0 0 0 3px rgba(0, 198, 143, 0.18);
  flex-shrink: 0;
  animation: chip-pulse 2s ease-in-out infinite;
}

/* ============================================================
   资质荣誉（图文并茂）
   ============================================================ */
.qual-section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 56px 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-2);
}
.qual-section-title:first-of-type {
  margin-top: 0;
}
.qual-section-title__bar {
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  border-radius: 2px;
}
.qual-section-title h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-1);
  letter-spacing: 0.04em;
  flex: 1;
}
.qual-section-title__count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.06em;
}

/* 主资质网格 */
.qual-grid {
  display: grid;
  gap: 20px;
}
.qual-grid--main {
  grid-template-columns: repeat(3, 1fr);
}
.qual-grid--iso {
  grid-template-columns: repeat(3, 1fr);
}
.qual-grid--awards {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 32px;
}

/* 资质卡片基础 */
.qual-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.35s var(--ease);
  position: relative;
}
.qual-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.qual-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #f4f7ff 0%, #e8efff 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.qual-card__img--portrait {
  aspect-ratio: 3 / 4;
}

/* ISO 卡片专属：图片更小巧紧凑 */
.qual-card--iso .qual-card__img {
  aspect-ratio: 4 / 3;
  padding: 24px 20px;
  background: linear-gradient(135deg, #f4f7ff 0%, #e8efff 100%);
}
.qual-card--iso .qual-card__img img {
  max-height: 200px;
}
.qual-card__img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(15, 26, 51, 0.1));
  transition: transform 0.5s var(--ease);
}
.qual-card:hover .qual-card__img img {
  transform: scale(1.04);
}

/* 顶部彩带 */
.qual-card__ribbon {
  position: absolute;
  top: 14px;
  right: -28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 32px;
  letter-spacing: 0.12em;
  transform: rotate(35deg);
  box-shadow: 0 4px 12px rgba(30, 91, 255, 0.3);
  z-index: 2;
}
.qual-card__ribbon--gold {
  background: linear-gradient(135deg, #f0b946, #ffd879);
  box-shadow: 0 4px 12px rgba(240, 185, 70, 0.4);
}

/* 推荐卡片高亮 */
.qual-card--featured {
  box-shadow: 0 8px 24px rgba(30, 91, 255, 0.1);
  border-color: var(--primary-soft);
}
.qual-card--featured .qual-card__img {
  background: linear-gradient(135deg, #fff8e1 0%, #ffe5d9 100%);
}

.qual-card__cap {
  padding: 20px 22px 22px;
}

.qual-card__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.qual-card__badge--gold {
  color: #b07820;
  background: #fff1d4;
}
.qual-card__badge--blue {
  color: var(--primary);
  background: var(--primary-soft);
}
.qual-card__badge--green {
  color: var(--accent-green);
  background: #e6f8f4;
}
.qual-card__badge--orange {
  color: var(--accent-orange);
  background: #fff3e5;
}
.qual-card__badge--red {
  color: #c9302c;
  background: #fce7e7;
}

.qual-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  line-height: 1.45;
  margin-bottom: 6px;
}
.qual-card__iso-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.qual-card--iso:nth-child(2) .qual-card__iso-num {
  color: var(--accent-green);
}
.qual-card--iso:nth-child(3) .qual-card__iso-num {
  color: var(--accent-orange);
}
.qual-card__desc {
  font-family: var(--font-en);
  font-size: 11.5px;
  color: var(--text-4);
  letter-spacing: 0.02em;
  line-height: 1.5;
}

/* AAA 信用 + 行业组织 双栏 */
.qual-row-2 {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  margin-top: 32px;
}

.qual-aaa {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 32px 28px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.qual-aaa::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(240, 185, 70, 0.1), transparent 70%);
  pointer-events: none;
}
.qual-aaa__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-2);
}
.qual-aaa__head h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-1);
  flex: 1;
}

.qual-aaa__main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.qual-aaa__medal,
.qual-aaa__cert {
  margin: 0;
}
.qual-aaa__medal-img,
.qual-aaa__cert-img {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #fff8e1 0%, #ffe5d9 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: transform 0.3s var(--ease);
  min-height: 200px;
}
.qual-aaa__medal-img img,
.qual-aaa__cert-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 6px 14px rgba(15, 26, 51, 0.12));
  transition: transform 0.4s var(--ease);
}
.qual-aaa__medal:hover .qual-aaa__medal-img img,
.qual-aaa__cert:hover .qual-aaa__cert-img img {
  transform: scale(1.06);
}
.qual-aaa__medal figcaption,
.qual-aaa__cert figcaption {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-2);
  text-align: center;
  letter-spacing: 0.02em;
}

/* 行业组织 */
.qual-orgs {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 32px 28px;
  border: 1px solid var(--border);
}
.qual-orgs__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-2);
}
.qual-orgs__head h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-1);
  flex: 1;
}

.qual-orgs__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.qual-org {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
  background: var(--bg-2);
  border-radius: var(--radius);
  margin: 0;
  transition: all 0.3s var(--ease);
}
.qual-org:hover {
  background: var(--primary-soft);
  transform: translateX(4px);
}
.qual-org__img {
  flex-shrink: 0;
  width: 88px;
  height: 64px;
  background: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  overflow: hidden;
}
.qual-org__img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.qual-org figcaption {
  flex: 1;
}
.qual-org h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}
.qual-org p {
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.55;
}

/* 底部说明 */
.qual-foot {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
  padding: 16px 28px;
  background: white;
  border: 1px dashed var(--border-2);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-3);
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.qual-foot__icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}
.qual-foot__icon svg {
  width: 100%;
  height: 100%;
}

/* ============================================================
   滚动出现动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .cursor-trail-layer {
    display: none;
  }
}

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 1100px) {
  .navbar__menu a {
    padding: 8px 9px;
    font-size: 13px;
  }
  .brand__img {
    height: 44px;
  }

  .hero__inner {
    gap: 40px;
  }
  .hero__right {
    height: 460px;
  }

  .achievement__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 0;
    padding: 36px 28px;
  }
  .ach-item {
    padding: 0 12px;
  }
  .ach-item:nth-child(3)::after {
    display: none;
  }
  .ach-item__num {
    font-size: 42px;
  }

  .biz-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .qual-grid--main {
    grid-template-columns: repeat(2, 1fr);
  }
  .qual-grid--awards {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 860px) {
  .navbar__menu,
  .navbar__cta {
    display: none;
  }
  .navbar__burger {
    display: flex;
  }

  .navbar.is-menu-open .navbar__menu {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: white;
    padding: 16px;
    gap: 4px;
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .navbar.is-menu-open .navbar__menu a {
    font-size: 15px;
    padding: 12px 16px;
  }

  .hero {
    padding: 110px 0 60px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero__right {
    height: 460px;
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }
  .hero-card--main {
    left: 16px;
  }
  .hero-card--shield {
    right: 16px;
  }

  .cap-row {
    grid-template-columns: 1fr;
  }
  .ip-row {
    grid-template-columns: 1fr;
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .talents {
    grid-template-columns: 1fr;
  }
  .partners-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .qual-row-2 {
    grid-template-columns: 1fr;
  }
  .qual-grid--iso {
    grid-template-columns: repeat(3, 1fr);
  }
  .qual-grid--awards {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-card__inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 44px 32px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }
  body {
    font-size: 15px;
  }

  .section {
    padding: 70px 0;
  }
  .sec-head {
    margin-bottom: 40px;
  }

  .hero__title-l1,
  .hero__title-l2 {
    font-size: clamp(22px, 6.4vw, 34px);
  }
  .hero__title-l2 {
    white-space: normal;
  }
  .hero__subtitle {
    font-size: 14px;
  }
  .hero__highlights {
    gap: 20px;
  }
  .hero__highlights strong {
    font-size: 18px;
  }

  .hero__right {
    height: 420px;
  }
  .hero-card {
    padding: 18px;
  }
  .hero-card--main {
    left: 0;
    right: 0;
    top: 20px;
  }
  .hero-card__metrics {
    gap: 12px;
  }
  .hc-metric {
    padding: 10px 12px;
    gap: 10px;
  }
  .hc-metric__icon {
    width: 32px;
    height: 32px;
  }
  .hc-metric__num {
    font-size: 18px;
  }

  .achievement__grid {
    grid-template-columns: 1fr 1fr;
    padding: 32px 20px;
    gap: 28px 0;
  }
  .ach-item:not(:last-child)::after {
    display: none;
  }
  .ach-item__num {
    font-size: 36px;
  }
  .ach-item__suffix {
    font-size: 22px;
  }
  .ach-item__label {
    font-size: 13px;
  }
  .ach-item__desc {
    font-size: 11px;
  }

  .biz-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .biz {
    padding: 28px 24px;
  }
  .biz__title {
    font-size: 19px;
  }

  .cap {
    padding: 30px 24px;
  }
  .cap__title {
    font-size: 20px;
  }

  .case-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .case-tabs {
    gap: 6px;
  }
  .case-tab {
    padding: 7px 14px;
    font-size: 13px;
  }
  .case__image {
    height: 150px;
  }

  .member-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .member {
    padding: 22px 14px;
  }
  .member__avatar {
    width: 76px;
    height: 76px;
  }
  .member__name {
    font-size: 15px;
  }

  .talent-card {
    padding: 22px 22px;
    gap: 16px;
  }
  .talent-card__crown {
    width: 52px;
    height: 52px;
  }
  .talent-card__crown svg {
    width: 28px;
    height: 28px;
  }
  .talent-card__title {
    font-size: 16px;
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .partner-cell {
    padding: 20px 10px;
  }
  .partner-cell__name {
    font-size: 13px;
  }
  .pstat {
    padding: 22px 16px;
  }
  .pstat__num {
    font-size: 32px;
  }
  .partners-foot {
    font-size: 13px;
    padding: 14px 18px;
  }

  .qual-grid--main {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .qual-grid--iso {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .qual-grid--awards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .qual-aaa,
  .qual-orgs {
    padding: 24px 22px;
  }
  .qual-aaa__main {
    grid-template-columns: 1fr;
  }
  .qual-section-title {
    margin: 40px 0 22px;
  }
  .qual-section-title h3 {
    font-size: 17px;
  }
  .qual-foot {
    padding: 14px 20px;
    font-size: 13px;
  }

  .ip-block {
    padding: 28px 22px;
  }
  .ip-stat__num span:first-child {
    font-size: 42px;
  }
  .ip-stat__unit {
    font-size: 18px;
  }
  .patent-types {
    grid-template-columns: 1fr;
  }
  .ip-domains {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-card__inner {
    padding: 36px 24px;
    gap: 28px;
  }
  .contact-list li {
    padding: 14px 16px;
  }

  .footer {
    padding: 48px 0 24px;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
  }
}

@media (max-width: 380px) {
  .achievement__grid {
    grid-template-columns: 1fr;
  }
  .member-grid {
    grid-template-columns: 1fr;
  }
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners-stats {
    grid-template-columns: 1fr;
  }
  .ip-domains {
    grid-template-columns: repeat(2, 1fr);
  }
}