/* ============================================
   广州伊道云科技 — 官网样式表
   ============================================ */

@import url('https://fonts.loli.net/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@400;700;900&display=swap');

:root {
  --bg-primary: #f5f8ff;
  --bg-white: #ffffff;
  --bg-section: #eef3fd;
  --accent: #13ddd6;
  --accent-light: #059b96;
  --accent-pale: rgba(0, 87, 255, 0.07);
  --accent-glow: rgba(0, 87, 255, 0.15);
  --accent-grad: linear-gradient(135deg, #059b96, #07c0ba);;
  --text-primary: #0d1b3e;
  --text-secondary: #4a5568;
  --text-muted: #94a3b8;
  --border: rgba(0, 87, 255, 0.08);
  --border-strong: rgba(0, 87, 255, 0.2);
  --shadow-sm: 0 2px 12px rgba(0, 87, 255, 0.07);
  --shadow-md: 0 4px 24px rgba(0, 87, 255, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 87, 255, 0.16);
  --radius: 14px;
  --font-display: 'Noto Serif SC', serif;
  --font-body: 'Noto Sans SC', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.25s; }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }

::selection { background: var(--accent); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #eef3fd; }
::-webkit-scrollbar-thumb { background: rgba(0,87,255,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #0057ff; }

/* ========== 布局 ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ========== 导航 ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 transparent;
  transition: box-shadow 0.3s;
}

.nav.scrolled { box-shadow: var(--shadow-sm); }

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 36px; height: 36px;
  background: var(--accent-grad);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,87,255,0.3);
  flex-shrink: 0;
}

.nav__logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav__logo-name { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.nav__logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 18px;
  border-radius: 20px;
  transition: all 0.25s;
}

.nav__links a:hover { color: var(--accent); background: var(--accent-pale); }

.nav__links a.active {
  color: #fff;
  background: var(--accent-grad);
  box-shadow: 0 2px 10px rgba(0,87,255,0.25);
}
.nav__links a.active:hover { color: #fff; }

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav__mobile-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 9998;
}

.nav__mobile-menu.open { display: flex; }
.nav__mobile-menu a {
  font-size: 15px; font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 12px;
  border-radius: var(--radius);
}
.nav__mobile-menu a.active { color: var(--accent); background: var(--accent-pale); }

/* ========== 英雄区 ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 68px;
  background: var(--bg-primary);
  overflow: hidden;
}

/* 简化背景 — 仅用CSS渐变，无filter无复杂效果 */
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 70% at 85% 10%, rgba(0,87,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 10% 90%, rgba(0,180,216,0.07) 0%, transparent 60%),
    var(--bg-primary);
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,87,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,87,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-pale);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.6s ease forwards;
}

.hero__badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  animation: fadeUp 0.6s ease 0.1s both;
}

.hero__title em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2.5rem;
  max-width: 480px;
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.3s both;
}

/* 右侧卡片 */
.hero__right {
  display: flex;
  justify-content: center;
  animation: fadeIn 0.8s ease 0.3s both;
}

.hero__card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 440px;
  position: relative;
}

.hero__card-topbar {
  height: 3px;
  background: var(--accent-grad);
  border-radius: 20px 20px 0 0;
  margin: -2.5rem -2.5rem 2rem;
}

.hero__card-icon {
  width: 56px; height: 56px;
  background: var(--accent-pale);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 26px;
}

.hero__card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero__card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hero__card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero__card-tag {
  padding: 4px 12px;
  background: var(--bg-section);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero__float {
  position: absolute;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.hero__float--1 {
  top: -16px; right: -20px;
  animation: floatY 4s ease-in-out infinite;
}

.hero__float--2 {
  bottom: 30px; left: -30px;
  animation: floatY 5s ease-in-out 1s infinite;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero__float-icon {
  width: 36px; height: 36px;
  background: var(--accent-grad);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.hero__float-text { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.hero__float-sub { font-size: 11px; color: var(--text-muted); }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,87,255,0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,87,255,0.4);
  color: #fff;
}

.btn--outline {
  background: var(--bg-white);
  color: var(--accent);
  border: 1.5px solid var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.btn--outline:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--accent);
}

/* ========== 统计条 ========== */
.stats {
  padding: 4rem 0;
  background: var(--accent-grad);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  color: #fff;
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 13px;
  opacity: 0.85;
}

/* ========== 通用区块 ========== */
.section { padding: 7rem 0; }
.section--alt { background: var(--bg-section); }

.section__header { text-align: center; margin-bottom: 4rem; }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.section__label::before,
.section__label::after {
  content: '';
  width: 20px; height: 1.5px;
  background: var(--accent);
  border-radius: 2px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.section__title em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__desc {
  max-width: 540px;
  margin: 0.5rem auto 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== 服务卡片 ========== */
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: all 0.3s;
  position: relative;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-grad);
  border-radius: 0 0 var(--radius) var(--radius);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.feature-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover::after { transform: scaleX(1); }

.feature-card__icon {
  width: 52px; height: 52px;
  background: var(--accent-pale);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 22px;
  transition: all 0.3s;
}

.feature-card:hover .feature-card__icon {
  background: var(--accent-grad);
  box-shadow: 0 4px 16px rgba(0,87,255,0.25);
}

.feature-card__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== 关于预览 ========== */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-preview__card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-preview__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-grad);
}

.about-preview__big-num {
  font-family: var(--font-display);
  font-size: 8rem;
  font-weight: 900;
  color: rgba(0,87,255,0.04);
  position: absolute;
  top: 0.5rem; right: 1.5rem;
  line-height: 1;
}

.about-preview__tag {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.about-preview__big-text {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.about-preview__sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.about-preview__checklist {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-preview__check {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.about-preview__check-icon {
  width: 30px; height: 30px;
  background: var(--accent-grad);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  box-shadow: 0 2px 10px rgba(0,87,255,0.2);
}

.about-preview__check-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--text-primary);
}

.about-preview__check-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========== CTA ========== */
.cta {
  padding: 7rem 0;
  text-align: center;
  background: var(--accent-grad);
  position: relative;
  overflow: hidden;
}

.cta__inner { position: relative; z-index: 1; }

.cta__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 1rem;
}

.cta__label::before,
.cta__label::after {
  content: '';
  width: 24px; height: 1.5px;
  background: rgba(255,255,255,0.5);
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta__title em { font-style: normal; opacity: 0.9; }

.cta__desc {
  font-size: 16px;
  opacity: 0.8;
  margin-bottom: 2.5rem;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.cta .btn--primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  font-size: 15px;
  padding: 15px 36px;
}
.cta .btn--primary:hover {
  background: #f0f4ff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  color: var(--accent);
}

/* ========== 友情链接 ========== */
.friendly-links {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
}

.friendly-links__inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.friendly-links__label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.friendly-links__items { display: flex; gap: 10px; flex-wrap: wrap; }

.friendly-links__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.25s;
  text-decoration: none;
}

.friendly-links__item:hover {
  background: var(--accent-pale);
  border-color: var(--border-strong);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ========== 页脚 ========== */
.footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr;
  gap: 6rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.footer__brand-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 1rem;
  max-width: 260px;
}

.footer__col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color 0.25s;
}
.footer__links a:hover { color: var(--accent); }

.footer__address { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

.footer__bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy { font-size: 13px; color: var(--text-muted); }

.footer__legal { display: flex; align-items: center; gap: 1rem; }

.footer__legal a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.25s;
}
.footer__legal a:hover { color: var(--accent); }
.footer__legal span { color: var(--text-muted); font-size: 13px; }

/* ========== 关于页 ========== */
.page-hero {
  padding-top: calc(68px + 5rem);
  padding-bottom: 5rem;
  background: var(--bg-section);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 90% 20%, rgba(0,87,255,0.06) 0%, transparent 60%),
    var(--bg-section);
  background-image:
    linear-gradient(rgba(0,87,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,87,255,0.025) 1px, transparent 1px),
    var(--bg-section);
  background-size: 60px 60px;
  background-position: 0 0, 0 0, 0 0;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-hero__label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-hero__label::before {
  content: '';
  width: 24px; height: 1.5px;
  background: var(--accent);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.page-hero__title em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero__desc {
  max-width: 560px;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 时间线 */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(0,87,255,0.08));
  border-radius: 2px;
}

.timeline__item { position: relative; padding: 0 0 2.5rem 2rem; }
.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: '';
  position: absolute;
  left: -2.15rem;
  top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 0 4px rgba(0,87,255,0.1);
}

.timeline__year {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.timeline__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.timeline__desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 价值观 */
.values__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.value-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: all 0.3s;
}

.value-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.value-card__num {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.value-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.value-card__desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* 团队 */
.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.3s;
}

.team-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.team-card__avatar {
  width: 72px; height: 72px;
  background: var(--accent-grad);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,87,255,0.25);
}

.team-card__name { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin-bottom: 0.25rem; }
.team-card__role { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 1rem; }
.team-card__desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* 联系方式 */
.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.3s;
}

.contact-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.contact-item__icon {
  width: 56px; height: 56px;
  background: var(--accent-pale);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all 0.3s;
}

.contact-item:hover .contact-item__icon {
  background: var(--accent-grad);
  box-shadow: 0 4px 16px rgba(0,87,255,0.25);
}

.contact-item__label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-item__value { font-size: 14px; color: var(--text-primary); line-height: 1.7; }

/* ========== 动画 ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .team__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__main { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .hero__content { grid-template-columns: 1fr; gap: 3rem; }
  .hero__right { display: none; }
  .about-preview { gap: 3rem; }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__mobile-toggle { display: flex; }
  .features__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about-preview { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; }
  .contact-info { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 5rem 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { justify-content: center; }
}