/* ============================================================
   皓越鼎鑫 官网样式 —— 中度蓝色科技风
   ============================================================ */
:root {
  --bg: #aac6ee;
  --bg-alt: #98b9e6;
  --card: rgba(255, 255, 255, 0.95);
  --card-border: rgba(30, 64, 175, 0.3);
  --text: #14203c;
  --text-dim: #2c4670;
  --cyan: #0369a1;
  --blue: #1e40af;
  --purple: #4338ca;
  --grad: linear-gradient(135deg, #1e40af, #0369a1);
  --radius: 14px;
  --header-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { vertical-align: middle; }
::selection { background: rgba(14, 165, 233, 0.25); }

.container { width: min(1180px, 92%); margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  letter-spacing: .5px;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(37, 99, 235, 0.4); }
.btn-ghost {
  background: transparent;
  color: var(--blue);
  border: 1px solid rgba(37, 99, 235, 0.5);
}
.btn-ghost:hover { background: rgba(37, 99, 235, 0.08); box-shadow: 0 0 20px rgba(37, 99, 235, 0.18); }
.btn-sm { padding: 7px 18px; font-size: 13px; }
.btn-block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s, box-shadow .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(37, 99, 235, 0.12);
  box-shadow: 0 8px 28px rgba(28, 43, 74, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { filter: drop-shadow(0 0 8px rgba(37, 99, 235, 0.45)); }
.brand-text { font-size: 21px; font-weight: 800; letter-spacing: 2px; color: var(--blue); }

.nav { display: flex; gap: 6px; }
.nav a {
  position: relative;
  padding: 8px 15px;
  font-size: 14px;
  color: var(--text-dim);
  border-radius: 8px;
  transition: color .25s;
}
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--grad);
  box-shadow: 0 0 8px rgba(37, 99, 235, 0.6);
}

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--blue); border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, #8fb5e8 0%, var(--bg) 60%),
    linear-gradient(180deg, #a3c2ea 0%, var(--bg) 100%);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(rgba(30, 64, 175, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 64, 175, 0.16) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 30%, transparent 75%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  padding: 120px 0 60px;
}
.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 40px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--blue);
  border: 1px solid rgba(37, 99, 235, 0.35);
  background: rgba(255, 255, 255, 0.7);
  margin-bottom: 26px;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.12);
}
.hero-title {
  font-size: clamp(38px, 6vw, 66px);
  font-weight: 800;
  letter-spacing: 3px;
  background: linear-gradient(120deg, #0b2468 15%, #1e40af 55%, #0369a1 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 22px;
}
.hero-sub { color: var(--text-dim); font-size: 17px; margin-bottom: 40px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 40px;
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid rgba(37, 99, 235, 0.15);
}
.stat-item { text-align: center; min-width: 110px; }
.stat-num {
  font-size: 34px; font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-num small { font-size: 20px; }
.stat-label { color: var(--text-dim); font-size: 13px; margin-top: 4px; letter-spacing: 1px; }

.scroll-down {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 44px; border: 2px solid rgba(37, 99, 235, 0.4);
  border-radius: 20px; display: flex; justify-content: center;
}
.scroll-down span {
  width: 4px; height: 8px; border-radius: 4px; background: var(--blue);
  margin-top: 8px; animation: scrollDot 1.8s infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(16px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- 通用区块 ---------- */
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 12px; letter-spacing: 3px;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 30px; padding: 5px 16px;
  margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: 2px; color: #0e2c86; }
.section-line {
  width: 70px; height: 3px; margin: 22px auto 0;
  background: var(--grad); border-radius: 3px;
  box-shadow: 0 0 14px rgba(37, 99, 235, 0.5);
}

/* ---------- 关于我们 ---------- */
.about-grid {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: start;
}
.about-text { max-width: 920px; margin: 0 auto; }
.about-text h3 {
  font-size: 24px; margin-bottom: 18px; color: #0e2c86;
  position: relative; padding-left: 16px;
}
.about-text h3::before {
  content: ""; position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 4px; border-radius: 4px; background: var(--grad);
}
.about-text p { color: var(--text-dim); margin-bottom: 14px; }
.about-points { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.point { display: flex; align-items: center; gap: 10px; color: var(--text); font-size: 14px; }
.point-icon { color: var(--blue); font-size: 12px; }

.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.team-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 30px 24px 28px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  transition: all .3s ease;
}
.team-card:hover { transform: translateY(-6px); border-color: rgba(29, 78, 216, 0.45); box-shadow: 0 16px 36px rgba(29, 78, 216, 0.12); }
.team-avatar {
  width: 74px; height: 74px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 28px; font-weight: 700;
  box-shadow: 0 8px 22px rgba(29, 78, 216, 0.3);
}
.team-card h3 { font-size: 18px; color: #0e2c86; margin-bottom: 4px; }
.team-position { font-size: 13px; color: var(--cyan); letter-spacing: 1px; margin-bottom: 12px; }
.team-card p { font-size: 13.5px; color: var(--text-dim); margin-bottom: 16px; }
.team-origin { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 3px 12px;
  border-radius: 30px;
  color: var(--blue);
  border: 1px solid rgba(37, 99, 235, 0.28);
  background: rgba(37, 99, 235, 0.06);
}

/* ---------- 业务板块 ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.biz-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  overflow: hidden;
  transition: all .35s ease;
}
.biz-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity .35s;
}
.biz-card:hover { transform: translateY(-8px); border-color: rgba(37, 99, 235, 0.45); box-shadow: 0 22px 44px rgba(37, 99, 235, 0.13); }
.biz-card:hover::before { opacity: 1; }
.biz-icon {
  width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
  margin-bottom: 22px;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.12);
}
.biz-card h3 { font-size: 20px; color: #0e2c86; margin-bottom: 12px; }
.biz-card p { font-size: 14px; color: var(--text-dim); margin-bottom: 18px; }
.biz-tags { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 合作客户图标墙 ---------- */
.client-wall-box { margin-bottom: 50px; }
.sub-title { text-align: center; font-size: 22px; color: #0e2c86; margin-bottom: 6px; }
.sub-desc { text-align: center; font-size: 13px; color: var(--text-dim); margin-bottom: 26px; }
.client-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 14px;
}
.wall-item {
  display: flex; align-items: center; justify-content: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 8px 6px;
  box-shadow: 0 4px 14px rgba(28, 43, 74, 0.05);
  transition: all .3s ease;
  text-decoration: none;
}
.wall-item img { width: 92px; height: 92px; display: block; }
.wall-item:hover {
  border-color: rgba(29, 78, 216, 0.45);
  box-shadow: 0 12px 26px rgba(29, 78, 216, 0.14);
  transform: translateY(-3px);
}
.wall-item.c-no-site { cursor: pointer; }
.wall-fallback { font-size: 14px; color: var(--text-dim); font-weight: 600; }

/* ---------- 合作客户 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  display: flex; flex-direction: column;
  transition: all .35s ease;
}
.case-card:hover { transform: translateY(-6px); border-color: rgba(37, 99, 235, 0.45); box-shadow: 0 18px 40px rgba(37, 99, 235, 0.12); }
.case-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; color: var(--blue); }
.case-cat {
  font-size: 12px; letter-spacing: 1px;
  padding: 4px 14px; border-radius: 30px;
  color: var(--blue); border: 1px solid rgba(37, 99, 235, 0.28);
  background: rgba(37, 99, 235, 0.07);
}
.case-card h3 { font-size: 17px; color: #0e2c86; margin-bottom: 10px; }
.case-card > p { font-size: 13.5px; color: var(--text-dim); flex: 1; }
.case-detail { margin-top: 16px; }
.case-detail summary {
  cursor: pointer; font-size: 13px; color: var(--blue);
  list-style: none; user-select: none;
}
.case-detail summary::-webkit-details-marker { display: none; }
.case-detail summary:hover { text-decoration: underline; }
.case-detail div {
  margin-top: 10px; font-size: 13px; color: var(--text-dim);
  border-left: 2px solid rgba(37, 99, 235, 0.35);
  padding-left: 12px;
}

/* ---------- 新闻动态 ---------- */
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.news-card {
  display: flex; gap: 24px; align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  transition: all .3s ease;
  cursor: pointer;
}
.news-card:hover { transform: translateY(-4px); border-color: rgba(37, 99, 235, 0.45); box-shadow: 0 16px 36px rgba(37, 99, 235, 0.12); }
.news-date {
  flex: none; width: 64px; text-align: center;
  border-radius: 12px;
  background: linear-gradient(160deg, #1d4ed8, #0284c7);
  color: #fff;
  padding: 10px 0 8px;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
}
.news-day { font-size: 26px; font-weight: 800; line-height: 1.2; }
.news-month { font-size: 11px; opacity: .9; letter-spacing: 1px; }
.news-body { flex: 1; }
.news-meta { margin-bottom: 6px; }
.news-body h3 { font-size: 17px; color: #0e2c86; margin-bottom: 8px; }
.news-body > p { font-size: 13.5px; color: var(--text-dim); }
.news-detail { display: none; margin-top: 12px; }
.news-card.open .news-detail { display: block; }
.news-detail p {
  margin-bottom: 8px; font-size: 13px; color: var(--text-dim);
  border-left: 2px solid rgba(37, 99, 235, 0.35);
  padding-left: 12px;
}
.news-more { margin-top: 12px; font-size: 13px; color: var(--blue); user-select: none; }
.news-more::after { content: '点击查看详情'; }
.news-card.open .news-more::after { content: '收起 ▲'; }

/* ---------- 人才招聘 ---------- */
.jobs-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; align-items: start; }
.jobs-list { display: flex; flex-direction: column; gap: 16px; }
.job-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  transition: border-color .3s;
}
.job-card[open] { border-color: rgba(37, 99, 235, 0.5); box-shadow: 0 14px 34px rgba(37, 99, 235, 0.1); }
.job-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 24px; cursor: pointer; list-style: none;
}
.job-head::-webkit-details-marker { display: none; }
.job-title { font-size: 17px; color: #0e2c86; margin-bottom: 8px; }
.job-meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: 12.5px; color: var(--text-dim); }
.job-meta span { display: inline-flex; align-items: center; gap: 5px; }
.job-meta span::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue);
}
.job-arrow { transition: transform .3s; color: var(--blue); flex: none; }
.job-card[open] .job-arrow { transform: rotate(180deg); }
.job-detail { padding: 4px 24px 24px; }
.job-detail h4 {
  font-size: 14px; color: var(--blue); margin: 14px 0 8px;
  display: flex; align-items: center; gap: 8px;
}
.job-detail h4::before {
  content: ""; width: 4px; height: 14px; border-radius: 4px; background: var(--grad);
}
.job-line { font-size: 13.5px; color: var(--text-dim); margin-bottom: 6px; }
.job-detail .btn { margin-top: 18px; }

/* ---------- 表单卡片 ---------- */
.form-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 30px;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
}
.form-card h3 { font-size: 20px; color: #0e2c86; margin-bottom: 6px; }
.form-tip { font-size: 13px; color: var(--text-dim); margin-bottom: 24px; }
.form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-item label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 7px; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%;
  padding: 11px 14px;
  background: #fff;
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.form-item textarea { min-height: 96px; resize: vertical; line-height: 1.7; }
.form-item select option { background: #fff; color: var(--text); }

/* ---------- 联系我们 ---------- */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.info-card {
  display: flex; align-items: center; gap: 18px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 4px 16px rgba(28, 43, 74, 0.05);
  transition: all .3s;
}
.info-card:hover { border-color: rgba(37, 99, 235, 0.45); transform: translateX(4px); }
.info-icon {
  width: 48px; height: 48px; flex: none;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.25);
}
.info-title { font-size: 12.5px; color: var(--text-dim); letter-spacing: 1px; }
.info-text { font-size: 14.5px; color: var(--text); margin-top: 2px; word-break: break-all; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: linear-gradient(160deg, #09265c 0%, #0f3370 100%);
  padding: 42px 0 30px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; }
.site-footer p { font-size: 12.5px; color: #c4d6f2; margin-top: 8px; }
.site-footer .copyright { margin-top: 14px; color: #8ba9d8; }
.footer-nav { display: flex; gap: 22px; flex-wrap: wrap; padding-top: 6px; }
.footer-nav a { font-size: 13.5px; color: #c4d6f2; transition: color .25s; }
.footer-nav a:hover { color: #fff; }

/* ---------- Toast 提示 ---------- */
.toast {
  position: fixed; top: 90px; left: 50%; transform: translateX(-50%);
  z-index: 300;
  padding: 14px 28px;
  border-radius: 40px;
  font-size: 14px;
  color: #0e2c86;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(37, 99, 235, 0.4);
  box-shadow: 0 12px 36px rgba(37, 99, 235, 0.2);
  animation: toastIn .4s ease;
}
.toast-error { border-color: rgba(239, 68, 68, 0.55); color: #b91c1c; box-shadow: 0 12px 36px rgba(239, 68, 68, 0.2); }
.toast-warn { border-color: rgba(245, 158, 11, 0.6); color: #b45309; box-shadow: 0 12px 36px rgba(245, 158, 11, 0.2); }
.toast.hide { animation: toastOut .4s ease forwards; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, -16px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes toastOut { to { opacity: 0; transform: translate(-50%, -16px); } }

/* ---------- 滚动出现动画 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- 响应式：平板（≤960px） ---------- */
@media (max-width: 960px) {
  .about-grid, .jobs-layout, .contact-layout { grid-template-columns: 1fr; }
  .team-grid, .biz-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .news-list { grid-template-columns: 1fr; }
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(37, 99, 235, 0.15);
    padding: 14px 6%;
    transform: translateY(-120%);
    transition: transform .35s ease;
    display: flex;
    box-shadow: 0 14px 30px rgba(28, 43, 74, 0.1);
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 13px 16px; border-radius: 8px; }
  .nav a.active::after { display: none; }
  .nav a.active { background: rgba(37, 99, 235, 0.08); }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 26px; }
  .section { padding: 70px 0; }
  .section-head { margin-bottom: 44px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 18px; }
}

/* ---------- 响应式：手机（≤640px） ---------- */
@media (max-width: 640px) {
  .brand-text { font-size: 18px; }
  .brand-logo { width: 34px; height: 34px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }

  /* Hero */
  .hero-content { padding: 100px 0 40px; }
  .hero-title { letter-spacing: 1px; margin-bottom: 16px; }
  .hero-sub { font-size: 14.5px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { text-align: center; width: 100%; }
  .hero-stats { gap: 20px; margin-top: 44px; padding-top: 26px; }
  .stat-item { min-width: 80px; }
  .stat-num { font-size: 26px; }
  .scroll-down { display: none; }

  /* 板块标题 */
  .section-title { font-size: 26px; letter-spacing: 1px; }

  /* 关于我们 */
  .about-grid { gap: 34px; }
  .about-text h3 { font-size: 20px; }
  .about-points { grid-template-columns: 1fr; gap: 10px; }

  /* 卡片通用 */
  .team-grid, .biz-grid, .case-grid { grid-template-columns: 1fr; gap: 18px; }
  .biz-card { padding: 28px 22px; }
  .case-card { padding: 22px 20px; }

  /* 新闻 */
  .news-card { flex-direction: column; align-items: stretch; gap: 14px; padding: 20px; }
  .news-date {
    width: auto; flex-direction: row; align-items: baseline; justify-content: flex-start;
    gap: 8px; padding: 4px 14px;
  }
  .news-day { font-size: 18px; }
  .news-month { font-size: 12px; }

  /* 招聘 */
  .job-head { padding: 18px 18px; }
  .job-detail { padding: 2px 18px 18px; }
  .job-meta { gap: 12px; }

  /* 表单 */
  .form-card { padding: 24px 20px; }
  .form-card h3 { font-size: 18px; }

  /* 联系我们 */
  .info-card { padding: 16px 18px; gap: 14px; }
  .info-text { font-size: 13.5px; }
  .info-icon { width: 42px; height: 42px; }

  /* 页脚 */
  .site-footer { padding: 34px 0 24px; }
  .footer-nav { gap: 14px; }

  /* 按钮 */
  .btn { padding: 11px 24px; font-size: 14px; }
  .btn-block { width: 100%; }

  /* Toast */
  .toast { top: 84px; width: 88%; text-align: center; }
}

/* ---------- 响应式：小屏手机（≤400px） ---------- */
@media (max-width: 400px) {
  .container { width: 94%; }
  .hero-stats { gap: 14px; }
  .hero-badge { font-size: 12px; padding: 6px 14px; }
}