/* 赛璞科技官网 - 设计体系 */

:root {
  --bg-primary: #1a1d26;
  --bg-secondary: #20232d;
  --bg-card: rgba(40,44,56,0.60);
  --bg-card-hover: rgba(48,53,67,0.70);
  --bg-card-solid: #282c38;
  --text-primary: #eceef2;
  --text-secondary: #9ea4b3;
  --text-muted: #6b7280;
  --accent-blue: #5b93f5;
  --accent-purple: #9b7bf6;
  --accent-green: #34d399;
  --accent-amber: #fbbf24;
  --accent-pink: #f472b6;
  --accent-red: #f87171;
  --border-color: rgba(160,170,190,0.12);
  --glass-border: rgba(255,255,255,0.08);
  --glass-shine: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 50%);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.24);
  --shadow-glow: 0 0 0 1px rgba(255,255,255,0.05), 0 8px 32px rgba(0,0,0,0.3);
  --font-cn: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --nav-height: 64px;
  --max-width: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-cn);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 800px 700px at 15% 20%, rgba(91,147,245,0.14), transparent),
    radial-gradient(ellipse 600px 600px at 85% 60%, rgba(155,123,246,0.12), transparent),
    radial-gradient(ellipse 500px 500px at 50% 90%, rgba(52,211,153,0.08), transparent);
}

#starfield { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.hero, .section, .product-hero, .cta-section, .footer { position: relative; z-index: 1; }

a { color: var(--accent-blue); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .85; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ========== 导航栏 ========== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-height);
  background: rgba(26,30,44,0.0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background .3s, backdrop-filter .3s, border-color .3s;
}
.nav .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 20px; font-weight: 700; color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.nav-logo span { background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links li { display: flex; align-items: center; }
.nav-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: color .2s; line-height: 1; }
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); opacity: 1; }

/* 产品下拉菜单 */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-toggle { cursor: pointer; display: flex; align-items: center; gap: 4px; user-select: none; }
.nav-dropdown-toggle::after { content: '▾'; font-size: 10px; transition: transform .2s; }
.nav-dropdown.open .nav-dropdown-toggle::after { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none; position: fixed; left: auto; right: auto;
  background: rgba(40,44,56,0.88); border: 1px solid rgba(255,255,255,0.10); border-radius: var(--radius);
  padding: 8px 0; min-width: 200px; box-shadow: var(--shadow-glow); z-index: 9999;
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
}
.nav-dropdown.open .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 10px 20px; color: var(--text-secondary);
  font-size: 14px; white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--bg-card-hover); color: var(--text-primary); }

/* 语言切换 */
.lang-switch {
  padding: 4px 12px; border: 1px solid var(--border-color); border-radius: 20px;
  color: var(--text-secondary); font-size: 13px; cursor: pointer;
  background: transparent; transition: all .2s;
}
.lang-switch:hover { border-color: var(--accent-blue); color: var(--text-primary); }

/* 移动端汉堡菜单 */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-secondary); transition: all .3s; }
.nav-mobile { display: none; }

/* ========== Hero ========== */
.hero {
  min-height: 100vh; display: flex; flex-direction: column; justify-content: center;
  padding: 120px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(91,147,245,0.10) 0%, transparent 60%);
  position: relative;
}
#solar-orbit {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.6;
}
.hero h1 {
  font-size: 48px; font-weight: 800; line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero .subtitle {
  font-size: 20px; color: var(--text-secondary); max-width: 600px;
  margin: 0 auto 40px;
}
.hero .cta-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm); font-size: 15px;
  font-weight: 600; cursor: pointer; transition: all .2s; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,130,246,0.3); color: #fff; }
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-outline:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

/* ========== Section 通用 ========== */
.section { padding: 100px 0; }
.section-title {
  font-size: 36px; font-weight: 700; text-align: center; margin-bottom: 16px;
}
.section-desc {
  font-size: 16px; color: var(--text-secondary); text-align: center;
  max-width: 600px; margin: 0 auto 60px;
}

/* ========== 产品卡片网格 ========== */
.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.product-card {
  display: block;
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px; cursor: pointer;
  transition: all .35s cubic-bezier(.4,0,.2,1); position: relative; overflow: hidden;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 2px 12px rgba(0,0,0,0.12);
}
.product-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--glass-shine); pointer-events: none;
  border-radius: var(--radius); opacity: 1; transition: opacity .3s;
}
.product-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--card-accent, var(--accent-blue)); opacity: 0; transition: opacity .3s;
}
.product-card:hover {
  transform: translateY(-6px); border-color: rgba(255,255,255,0.12);
  box-shadow: var(--shadow-glow), 0 0 40px rgba(91,147,245,0.06);
  background: var(--bg-card-hover);
}
.product-card:hover::after { opacity: 1; }
.product-card .card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.product-card .icon { font-size: 32px; flex-shrink: 0; }
.product-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 2px; }
.product-card .en-name { font-size: 13px; color: var(--text-muted); font-family: var(--font-en); }
.product-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }
.product-card .arrow {
  position: absolute; bottom: 24px; right: 24px;
  color: var(--text-muted); font-size: 18px; transition: all .3s;
}
.product-card:hover .arrow { color: var(--text-primary); transform: translateX(4px); }

/* ========== 数字指标 ========== */
.metrics {
  display: flex; justify-content: center; gap: 60px; flex-wrap: wrap; padding: 60px 40px;
  background: rgba(35,38,47,0.35); border: 1px solid var(--glass-border);
  border-radius: 16px; backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
.metric { text-align: center; }
.metric .value {
  font-size: 48px; font-weight: 800; font-family: var(--font-en);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.metric .value span { font-size: 20px; }
.metric .label { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* ========== 产品卡片亮点列表 ========== */
.product-card .highlights {
  list-style: none; margin-top: 16px; padding: 0;
  border-top: 1px solid var(--border-color); padding-top: 14px;
}
.product-card .highlights li {
  font-size: 13px; color: var(--text-muted); padding: 3px 0; padding-left: 16px; position: relative;
}
.product-card .highlights li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--card-accent, var(--accent-blue)); opacity: .7;
}

/* ========== 产品网格（上 4 下 3 居中） ========== */
.products-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.products-row + .products-row { margin-top: 20px; }
.products-row-center {
  grid-template-columns: repeat(3, 1fr);
  max-width: calc(75% - 5px);
  margin-left: auto; margin-right: auto;
}

/* ========== 能力矩阵 ========== */
.capabilities-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.capability-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 36px; transition: all .35s cubic-bezier(.4,0,.2,1);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 2px 12px rgba(0,0,0,0.12);
  position: relative; overflow: hidden;
}
.capability-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--glass-shine); pointer-events: none; border-radius: var(--radius);
}
.capability-card:hover {
  border-color: rgba(91,147,245,0.25);
  box-shadow: var(--shadow-glow), 0 0 40px rgba(91,147,245,0.06);
  transform: translateY(-2px);
}
.capability-card .cap-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.capability-card .cap-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
  flex-shrink: 0;
}
.capability-card h3 { font-size: 18px; font-weight: 700; }
.capability-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ========== 理念区块 ========== */
.philosophy { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.philosophy-item { text-align: center; padding: 24px; }
.philosophy-item .phi-num {
  font-size: 56px; font-weight: 800; font-family: var(--font-en);
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1; margin-bottom: 16px;
}
.philosophy-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.philosophy-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ========== CTA 区块 ========== */
.cta-section {
  text-align: center; padding: 80px 0;
  background: linear-gradient(180deg, transparent, rgba(28,31,39,0.4));
}
.cta-section h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); margin-bottom: 32px; font-size: 16px; }

/* ========== 产品详情页 Hero ========== */
.product-hero {
  padding: 140px 0 80px; text-align: center; position: relative; overflow: hidden;
}
.product-hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--hero-gradient, linear-gradient(135deg, #1e3a5f, #3b82f6));
  opacity: .15;
}
.product-hero .container { position: relative; }
.product-hero .badge {
  display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 13px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary); margin-bottom: 20px;
}
.product-hero h1 { font-size: 44px; font-weight: 800; margin-bottom: 8px; }
.product-hero .en-title { font-size: 16px; color: var(--text-muted); font-family: var(--font-en); margin-bottom: 20px; }
.product-hero .tagline { font-size: 18px; color: var(--text-secondary); max-width: 640px; margin: 0 auto 24px; }
.product-hero .btn { margin: 0 6px; }

/* ========== 特性网格 ========== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 28px; transition: all .35s cubic-bezier(.4,0,.2,1);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 2px 12px rgba(0,0,0,0.12);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; inset: 0;
  background: var(--glass-shine); pointer-events: none; border-radius: var(--radius);
}
.feature-card:hover {
  border-color: rgba(255,255,255,0.12); transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.feature-card .f-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.feature-card .f-icon { font-size: 24px; flex-shrink: 0; }
.feature-card h3 { font-size: 16px; font-weight: 700; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ========== 产品描述段落 ========== */
.product-desc {
  max-width: 800px; margin: 0 auto; font-size: 16px; line-height: 2;
  color: var(--text-secondary);
}

/* ========== 招聘卡片 ========== */
.job-card {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px; margin-bottom: 24px;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 2px 12px rgba(0,0,0,0.12);
  position: relative; overflow: hidden;
}
.job-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.job-card .job-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.job-card h4 { font-size: 14px; font-weight: 600; margin: 16px 0 8px; }
.job-card ul { padding-left: 20px; color: var(--text-secondary); font-size: 14px; }
.job-card li { margin-bottom: 6px; }

/* ========== 时间线（开发动态） ========== */
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px; background: var(--border-color);
}
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before {
  content: ''; position: absolute; left: -28px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent-blue); border: 2px solid var(--bg-primary);
}
.timeline-item .t-date { font-size: 13px; color: var(--text-muted); font-family: var(--font-en); margin-bottom: 4px; }
.timeline-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.timeline-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ========== Tab 切换 ========== */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; justify-content: center; }
.tab-btn {
  padding: 8px 20px; border-radius: 20px; font-size: 14px; cursor: pointer;
  background: var(--bg-card); border: 1px solid var(--border-color);
  color: var(--text-secondary); transition: all .2s;
}
.tab-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); }
.tab-btn.active { background: var(--accent-blue); border-color: var(--accent-blue); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ========== 关于我们 ========== */
.about-values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.about-value {
  background: var(--bg-card); border: 1px solid var(--glass-border);
  border-radius: var(--radius); padding: 32px;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 2px 12px rgba(0,0,0,0.12);
  position: relative; overflow: hidden; transition: all .35s cubic-bezier(.4,0,.2,1);
}
.about-value::before {
  content: ''; position: absolute; inset: 0;
  background: var(--glass-shine); pointer-events: none; border-radius: var(--radius);
}
.about-value h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.about-value p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ========== Footer ========== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--glass-border);
  background: rgba(28,31,39,0.5);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-secondary); font-size: 14px; margin-top: 12px; line-height: 1.8; }
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a { display: block; color: var(--text-secondary); font-size: 13px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom {
  padding-top: 24px; border-top: 1px solid var(--border-color);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--text-muted);
}

/* ========== 滚动渐入动画 ========== */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 16px; }
  .products-grid { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .philosophy { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
  .product-hero h1 { font-size: 30px; }
  .metrics { gap: 32px; }
  .metric .value { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile.open {
    display: flex; flex-direction: column; gap: 0;
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: rgba(28,31,39,0.85); border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(1.5); -webkit-backdrop-filter: blur(20px) saturate(1.5);
    padding: 8px 0;
  }
  .nav-mobile a {
    display: block; padding: 14px 24px; color: var(--text-secondary); font-size: 15px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-mobile a:hover { color: var(--text-primary); background: var(--bg-card); }
  .section { padding: 60px 0; }
  .section-title { font-size: 28px; }
  .products-row { grid-template-columns: repeat(2, 1fr); }
  .products-row-center { max-width: 100%; grid-template-columns: repeat(2, 1fr); }
  .product-card { padding: 20px; }
  .product-card .card-header { flex-wrap: nowrap; gap: 10px; }
  .product-card .icon { font-size: 26px; }
  .product-card h3 { font-size: 16px; }
  .product-card .en-name { font-size: 11px; }
  .product-card p { font-size: 13px; }
  .product-card .highlights li { font-size: 12px; }
  .product-card .arrow { bottom: 16px; right: 16px; }
  .capability-card { padding: 24px; }
  .nav-mobile { z-index: 99; }
}
@media (max-width: 640px) {
  .products-row { grid-template-columns: 1fr; }
  .products-row-center { grid-template-columns: 1fr; }
  .product-card { padding: 24px; }
  .product-card .card-header { gap: 12px; }
  .product-card .icon { font-size: 28px; }
  .product-card h3 { font-size: 18px; }
  .product-card .en-name { font-size: 12px; }
  .product-card p { font-size: 14px; }
  .product-card .arrow { bottom: 20px; right: 20px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero .cta-group { flex-direction: column; align-items: center; }
}

.section-secondary {
  background: rgba(28,31,39,0.45);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}

/* ========== Careers 页面深色科技风 ========== */
.careers-page {
  --bg-primary: #141720;
  --bg-secondary: #1a1e28;
  --bg-card: #202536;
  --border-color: rgba(99,179,237,0.14);
  --shadow-card: 0 4px 20px rgba(0,0,0,0.22);
  --accent-blue: #60a5fa;
}

/* Hero：鲜亮蓝紫渐变，与首页区分 */
.careers-page .product-hero {
  background: linear-gradient(135deg, #171c2e 0%, #253d7a 50%, #352f75 100%);
}
.careers-page .product-hero::before {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  opacity: 0.18;
}

/* 卡片：带左侧蓝色发光边框，hover 时更亮 */
.careers-page .feature-card {
  border-left: 3px solid rgba(96,165,250,0.5);
}
.careers-page .feature-card:hover {
  border-left-color: #60a5fa;
  box-shadow: var(--shadow-glow), 0 0 24px rgba(96,165,250,0.12);
  transform: translateY(-3px);
}

/* 职位卡片 */
.careers-page .job-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 20px;
  transition: all .3s;
  border-top: 2px solid rgba(96,165,250,0.3);
}
.careers-page .job-card:hover {
  border-top-color: #60a5fa;
  box-shadow: 0 8px 32px rgba(96,165,250,0.1);
  transform: translateY(-2px);
}
.careers-page .job-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; color: #e2e8f0; }
.careers-page .job-card h4 {
  font-size: 12px; font-weight: 600; margin: 16px 0 8px;
  text-transform: uppercase; letter-spacing: 0.08em; color: #60a5fa;
}
.careers-page .job-card .job-meta {
  display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px;
  background: rgba(96,165,250,0.1); border: 1px solid rgba(96,165,250,0.2);
  color: #93c5fd; margin-bottom: 16px;
}
.careers-page .job-card li { color: var(--text-secondary); font-size: 14px; line-height: 1.9; }

/* section 背景微差 */
.careers-page .section-secondary {
  background: rgba(26,30,40,0.45);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}