/* ============================================================
   TechCore 电子 — 企业官网样式系统
   深蓝科技风 + 多色彩点缀 + 丰富视觉层次
   ============================================================ */

/* ----- CSS Variables ----- */
:root {
  /* 主色调 */
  --blue-deep: #002b4d;
  --blue-primary: #003d6b;
  --blue-mid: #005da1;
  --blue-bright: #0099ff;
  --blue-light: #4db8ff;
  --blue-glow: rgba(0, 153, 255, 0.3);

  /* 强调色 */
  --orange: #ff6b35;
  --orange-light: #ff8c5a;
  --orange-glow: rgba(255, 107, 53, 0.3);
  --emerald: #00c9a7;
  --emerald-glow: rgba(0, 201, 167, 0.25);
  --gold: #f5a623;
  --gold-glow: rgba(245, 166, 35, 0.3);

  /* 背景 */
  --bg-darkest: #020d18;
  --bg-dark: #061625;
  --bg-mid: #0a1e33;
  --bg-card: rgba(10, 30, 51, 0.75);
  --bg-card-hover: rgba(15, 40, 65, 0.9);
  --bg-light-section: #0e2640;

  /* 文字 */
  --text-primary: #eef2f7;
  --text-secondary: #a3b5cc;
  --text-muted: #5e768f;

  /* 边框 */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 153, 255, 0.2);
  --border-orange: rgba(255, 107, 53, 0.25);

  /* 尺寸 */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --max-width: 1240px;
  --nav-height: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}

/* ----- Reset ----- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-cn);
  background: var(--bg-darkest);
  color: var(--text-primary);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue-bright); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--blue-light); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 28px; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: 1.25rem; }
.text-gradient {
  background: linear-gradient(135deg, #ffffff 20%, var(--blue-bright) 50%, var(--blue-light) 80%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-gradient-orange {
  background: linear-gradient(135deg, #ffffff 20%, var(--orange-light) 70%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.text-gradient-gold {
  background: linear-gradient(135deg, #ffffff 20%, var(--gold) 70%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center;
  transition: all 0.4s ease;
}
.nav.scrolled {
  background: rgba(2, 13, 24, 0.92);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.15rem; font-weight: 700; color: #fff;
  letter-spacing: 2px;
}
.nav-logo-img { max-height: 40px; max-width: 160px; width: auto; height: auto; display: block; object-fit: contain; }
@media (max-width: 768px) { .nav-logo-img { max-height: 32px; max-width: 120px; } }
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-mid));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 15px var(--blue-glow);
}
.nav-links { display: flex; gap: 36px; list-style: none; align-items: center; }
.nav-links a {
  color: var(--text-secondary); font-size: 0.9rem; font-weight: 500;
  position: relative; padding: 6px 0; letter-spacing: 0.5px;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-bright), var(--orange));
  transform: scaleX(0); transition: transform 0.35s ease;
}
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; transition: var(--transition); border-radius: 1px; }

/* ============================================================
   HERO — 全屏动态区域
   ============================================================ */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
  padding: 120px 0 100px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 60%, rgba(0, 153, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 75% 30%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(0, 201, 167, 0.05) 0%, transparent 50%);
  animation: heroBgShift 20s ease-in-out infinite alternate;
}
@keyframes heroBgShift {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}
.hero-particles {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    radial-gradient(1px 1px at 15% 25%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 28% 60%, rgba(0,153,255,0.4), transparent),
    radial-gradient(1px 1px at 42% 18%, rgba(255,255,255,0.25), transparent),
    radial-gradient(1px 1px at 55% 72%, rgba(0,201,167,0.35), transparent),
    radial-gradient(1px 1px at 68% 35%, rgba(255,107,53,0.3), transparent),
    radial-gradient(1px 1px at 78% 55%, rgba(0,153,255,0.25), transparent),
    radial-gradient(1px 1px at 88% 15%, rgba(255,255,255,0.2), transparent),
    radial-gradient(1.5px 1.5px at 22% 80%, rgba(245,166,35,0.3), transparent),
    radial-gradient(1.5px 1.5px at 50% 42%, rgba(0,153,255,0.35), transparent),
    radial-gradient(1px 1px at 72% 12%, rgba(255,255,255,0.3), transparent);
}
/* 电路网格背景 */
.hero-circuit {
  position: absolute; inset: 0; z-index: 0; opacity: 0.04;
  background-image:
    linear-gradient(rgba(0,153,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,153,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 70%);
}
.hero .container { position: relative; z-index: 2; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(0, 153, 255, 0.08);
  border: 1px solid rgba(0, 153, 255, 0.2);
  font-size: 0.88rem; color: var(--blue-light); margin-bottom: 32px;
  backdrop-filter: blur(8px);
  animation: fadeInUp 0.8s ease;
}
.hero-badge .dot {
  width: 7px; height: 7px; background: var(--blue-bright);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--blue-glow); }
  50% { box-shadow: 0 0 0 12px transparent; }
}
.hero h1 { margin-bottom: 22px; animation: fadeInUp 0.8s 0.1s ease both; }
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--blue-bright) 0%, var(--blue-light) 40%, var(--orange) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
  color: var(--text-secondary); font-size: 1.1rem; max-width: 560px;
  margin: 0 auto 36px; line-height: 1.8;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.hero-tags {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 48px;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-tag {
  padding: 6px 16px; border-radius: 50px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem; color: var(--text-muted);
  transition: var(--transition);
}
.hero-tag:hover { border-color: var(--border-accent); color: var(--text-secondary); }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 8px;
  font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.35s ease;
  font-family: var(--font-cn); letter-spacing: 0.3px;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--orange), #e55a2b);
  color: #fff; box-shadow: 0 6px 24px var(--orange-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(255, 107, 53, 0.45);
  color: #fff;
}
.btn-blue {
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-mid));
  color: #fff; box-shadow: 0 6px 24px var(--blue-glow);
}
.btn-blue:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 35px rgba(0, 153, 255, 0.45);
  color: #fff;
}
.btn-outline {
  background: transparent; color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-outline:hover {
  border-color: var(--blue-bright);
  background: rgba(0, 153, 255, 0.08);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff; border-color: var(--border-card);
}
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: 6px; }
.btn-danger {
  background: rgba(255, 71, 87, 0.1);
  color: #ff4757;
  border: 1px solid rgba(255, 71, 87, 0.2);
}
.btn-danger:hover { background: rgba(255, 71, 87, 0.2); }

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 110px 0; position: relative; }
.section-dark { background: var(--bg-dark); }
.section-gradient {
  background: linear-gradient(180deg, var(--bg-darkest) 0%, var(--bg-mid) 50%, var(--bg-darkest) 100%);
}
.section-accent-bar {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--blue-bright), var(--orange), transparent);
  opacity: 0.5;
}

.section-header {
  text-align: center; margin-bottom: 64px;
}
.section-header .label {
  display: inline-block; padding: 4px 14px; border-radius: 50px;
  background: rgba(0, 153, 255, 0.08);
  border: 1px solid rgba(0, 153, 255, 0.18);
  font-size: 0.8rem; color: var(--blue-light);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.section-header h2 { margin-bottom: 12px; }
.section-header .subtitle {
  color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin: 0 auto;
}
.section-header .divider {
  width: 70px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--blue-bright), var(--orange));
  margin: 18px auto 0;
}

/* ============================================================
   STATS — 数据展示区
   ============================================================ */
.stats-section {
  padding: 60px 0 80px;
  background: linear-gradient(180deg, var(--bg-darkest), var(--bg-dark));
  position: relative;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  position: relative; text-align: center; padding: 44px 24px 36px;
  background: linear-gradient(180deg, rgba(10, 30, 51, 0.7) 0%, rgba(10, 30, 51, 0.3) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all 0.4s ease;
  overflow: hidden;
}
.stat-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-bright), var(--orange), transparent);
  opacity: 0; transition: opacity 0.4s;
}
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, transparent, var(--orange), var(--gold), transparent); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, transparent, var(--emerald), var(--blue-bright), transparent); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, transparent, var(--gold), var(--orange), transparent); }
.stat-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.stat-card:hover::before { opacity: 1; }
.stat-icon { font-size: 2rem; margin-bottom: 16px; }
.stat-value {
  font-size: 3rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 8px;
}
.stat-card:nth-child(1) .stat-value { color: var(--blue-bright); }
.stat-card:nth-child(2) .stat-value { color: var(--orange); }
.stat-card:nth-child(3) .stat-value { color: var(--emerald); }
.stat-card:nth-child(4) .stat-value { color: var(--gold); }
.stat-label { color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; }
.stat-suffix { font-size: 1.2rem; font-weight: 600; }

/* ============================================================
   CARDS — 通用卡片
   ============================================================ */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 24px; }
.card-grid-3 { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }

.card {
  background: linear-gradient(145deg, var(--bg-card), rgba(6, 22, 37, 0.6));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all 0.4s ease;
  position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--blue-bright), var(--orange));
  border-radius: 4px 0 0 4px;
  opacity: 0; transition: opacity 0.4s;
}
.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

/* Product search bar */
.product-search-bar { max-width: 680px; margin: 0 auto 8px; }
.product-search-form { display: flex; gap: 0; width: 100%; }
.product-search-input {
  flex: 1; min-width: 0;
  padding: 12px 18px; height: 48px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border-subtle);
  border-right: none; border-radius: var(--radius) 0 0 var(--radius);
  color: var(--text-primary); font-size: 0.95rem; font-family: var(--font-cn);
  outline: none; transition: border-color 0.3s;
}
.product-search-input:focus { border-color: var(--blue-bright); }
.product-search-input::placeholder { color: var(--text-muted); font-size: 0.85rem; }
.product-search-btn {
  flex-shrink: 0; height: 48px; padding: 0 28px;
  border-radius: 0 var(--radius) var(--radius) 0; font-size: 0.95rem;
}
.product-search-hint {
  color: var(--text-muted); font-size: 0.85rem; margin-top: 8px; text-align: center;
}
.product-search-hint strong { color: var(--blue-light); }
.product-search-hint a { color: var(--blue-bright); font-size: 0.82rem; margin-left: 10px; }
.product-cat-bar {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin: 24px 0 32px;
}
@media (max-width: 480px) {
  .product-search-input { font-size: 0.88rem; padding: 10px 14px; }
  .product-search-input::placeholder { font-size: 0.78rem; }
  .product-search-btn { padding: 0 18px; font-size: 0.9rem; }
}

/* Service cards — numbered, no icon box */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 20px; }
.svc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  transition: all 0.35s ease;
  position: relative;
}
.svc-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.svc-card::before {
  content: "";
  position: absolute; left: 0; top: 20px; bottom: 20px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--blue-bright), var(--orange));
  opacity: 0; transition: opacity 0.35s;
}
.svc-card:nth-child(2n)::before { background: linear-gradient(180deg, var(--orange), var(--gold)); }
.svc-card:nth-child(3n)::before { background: linear-gradient(180deg, var(--emerald), var(--blue-bright)); }
.svc-card:nth-child(4n)::before { background: linear-gradient(180deg, var(--gold), var(--orange)); }
.svc-card:hover::before { opacity: 1; }
.svc-card-head {
  display: flex; align-items: center; gap: 14px; margin-bottom: 10px;
}
.svc-num {
  font-size: 2rem; font-weight: 800; letter-spacing: -1px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue-bright), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  opacity: 0.5; line-height: 1;
}
.svc-card:nth-child(2n) .svc-num {
  background: linear-gradient(135deg, var(--orange), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.svc-card:nth-child(3n) .svc-num {
  background: linear-gradient(135deg, var(--emerald), var(--blue-bright));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.svc-card:nth-child(4n) .svc-num {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.svc-card h3 { font-size: 1.08rem; margin-bottom: 0; }
.svc-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; }
@media (max-width: 768px) { .svc-grid { grid-template-columns: 1fr; } }
.card:hover::after { opacity: 1; }

.card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px; font-size: 1.6rem;
  transition: transform 0.4s ease;
}
.card:hover .card-icon { transform: scale(1.1); }
.card-icon.blue { background: rgba(0, 153, 255, 0.1); border: 1px solid rgba(0, 153, 255, 0.2); }
.card-icon.orange { background: rgba(255, 107, 53, 0.1); border: 1px solid rgba(255, 107, 53, 0.2); }
.card-icon.emerald { background: rgba(0, 201, 167, 0.1); border: 1px solid rgba(0, 201, 167, 0.2); }
.card-icon.gold { background: rgba(245, 166, 35, 0.1); border: 1px solid rgba(245, 166, 35, 0.2); }

.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.7; }
.card .card-footer { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border-subtle); display: flex; align-items: center; justify-content: space-between; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-intro-text h2 { margin-bottom: 20px; }
.about-intro-text .lead {
  font-size: 1.1rem; color: var(--text-secondary); line-height: 1.9; margin-bottom: 24px;
}
.about-image-placeholder {
  background: linear-gradient(135deg, rgba(0, 153, 255, 0.05), rgba(255, 107, 53, 0.05));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  min-height: 360px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.about-image-placeholder::before {
  content: ""; position: absolute; inset: 20px;
  border: 1px dashed rgba(0, 153, 255, 0.15);
  border-radius: var(--radius-lg);
}

/* Timeline */
.timeline { position: relative; padding: 40px 0; }
.timeline::before {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, transparent, var(--blue-mid), var(--orange), transparent);
  transform: translateX(-50%);
}
.timeline-item { display: flex; align-items: flex-start; margin-bottom: 56px; position: relative; }
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-dot {
  position: absolute; left: 50%; top: 10px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--blue-bright); border: 3px solid var(--bg-darkest);
  transform: translateX(-50%); z-index: 2;
  transition: all 0.4s ease;
}
.timeline-item:nth-child(2) .timeline-dot { background: var(--orange); }
.timeline-item:nth-child(3) .timeline-dot { background: var(--emerald); }
.timeline-item:nth-child(4) .timeline-dot { background: var(--gold); }
.timeline-item:nth-child(5) .timeline-dot { background: var(--blue-bright); }
.timeline-item:nth-child(6) .timeline-dot { background: var(--orange); }
.timeline-content {
  width: calc(50% - 48px);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
}
.timeline-content:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.timeline-content .year {
  display: inline-block; padding: 3px 12px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 1px; margin-bottom: 10px;
}
.timeline-item:nth-child(odd) .timeline-content .year { background: rgba(0,153,255,0.12); color: var(--blue-light); }
.timeline-item:nth-child(even) .timeline-content .year { background: rgba(255,107,53,0.12); color: var(--orange-light); }
.timeline-content h3 { font-size: 1.1rem; margin-bottom: 8px; }
.timeline-content p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* Vision block */
.vision-block {
  background: linear-gradient(135deg, rgba(0,153,255,0.06), rgba(255,107,53,0.04));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 48px 40px; text-align: center;
  margin: 60px 0;
}

/* Certification grid */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.cert-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px; text-align: center;
  transition: all 0.3s ease;
}
.cert-card:hover { border-color: var(--border-accent); transform: translateY(-3px); }
.cert-card .cert-badge {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; font-weight: 700;
}
.cert-card:nth-child(1) .cert-badge { background: rgba(0,153,255,0.12); color: var(--blue-bright); border: 2px solid rgba(0,153,255,0.25); }
.cert-card:nth-child(2) .cert-badge { background: rgba(0,201,167,0.12); color: var(--emerald); border: 2px solid rgba(0,201,167,0.25); }
.cert-card:nth-child(3) .cert-badge { background: rgba(255,107,53,0.12); color: var(--orange); border: 2px solid rgba(255,107,53,0.25); }
.cert-card:nth-child(4) .cert-badge { background: rgba(245,166,35,0.12); color: var(--gold); border: 2px solid rgba(245,166,35,0.25); }

/* ============================================================
   PARTNER LOGO WALL
   ============================================================ */
.partner-marquee {
  overflow: hidden; padding: 20px 0;
  mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 15%, black 85%, transparent);
}
.partner-track {
  display: flex; gap: 48px; width: max-content;
  animation: marquee 30s linear infinite;
}
@keyframes marquee { 100% { transform: translateX(-50%); } }
.partner-item {
  padding: 20px 32px; border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  font-size: 1rem; font-weight: 600; color: var(--text-muted);
  letter-spacing: 1px; white-space: nowrap;
  transition: all 0.3s ease;
}
.partner-item:hover { border-color: var(--border-accent); color: var(--text-primary); }

/* ============================================================
   NEWS CARDS
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(370px, 1fr)); gap: 24px; }
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all 0.4s ease;
}
.news-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.news-card-img {
  height: 210px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(0,153,255,0.08), rgba(255,107,53,0.05));
  display: flex; align-items: center; justify-content: center;
}
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-img .news-placeholder {
  font-size: 3rem; opacity: 0.15; color: var(--blue-bright);
}
.news-card-body { padding: 24px; }
.news-card-body .date {
  display: inline-block; padding: 2px 10px; border-radius: 50px;
  background: rgba(0,153,255,0.08); color: var(--blue-light);
  font-size: 0.78rem; margin-bottom: 10px;
}
.news-card-body h3 { font-size: 1.1rem; margin-bottom: 10px; line-height: 1.5; }
.news-card-body p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-body .read-more {
  display: inline-flex; align-items: center; gap: 4px; margin-top: 14px;
  font-size: 0.85rem; font-weight: 600; color: var(--blue-bright);
}
.news-card-body .read-more:hover { gap: 8px; }

/* ============================================================
   TEAM GRID
   ============================================================ */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 24px 32px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative; overflow: hidden;
}
.team-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-bright), var(--orange));
  opacity: 0; transition: opacity 0.4s;
}
.team-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.team-card:hover::before { opacity: 1; }
.team-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(0,153,255,0.1), rgba(255,107,53,0.05));
  border: 3px solid rgba(0, 153, 255, 0.15);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--blue-light);
  overflow: hidden; transition: all 0.4s ease;
}
.team-card:hover .team-avatar { border-color: var(--blue-bright); box-shadow: 0 0 30px var(--blue-glow); }
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.team-card .role {
  display: inline-block; padding: 3px 12px; border-radius: 50px;
  background: rgba(0,153,255,0.08); color: var(--blue-light);
  font-size: 0.8rem; margin-bottom: 12px;
}
.team-card:nth-child(2n) .role { background: rgba(255,107,53,0.08); color: var(--orange-light); }
.team-card:nth-child(3n) .role { background: rgba(0,201,167,0.08); color: var(--emerald); }
.team-card .bio { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; }
.contact-info-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(6,22,37,0.6));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 36px;
}
.contact-method {
  display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border-subtle);
  align-items: flex-start;
}
.contact-method:last-child { border-bottom: none; }
.cm-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.cm-icon.blue { background: rgba(0,153,255,0.1); border: 1px solid rgba(0,153,255,0.2); }
.cm-icon.orange { background: rgba(255,107,53,0.1); border: 1px solid rgba(255,107,53,0.2); }
.cm-icon.emerald { background: rgba(0,201,167,0.1); border: 1px solid rgba(0,201,167,0.2); }

.contact-form-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(6,22,37,0.6));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-size: 0.83rem; color: var(--text-secondary);
  margin-bottom: 6px; font-weight: 500;
}
.form-input {
  width: 100%; padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.93rem;
  font-family: var(--font-cn); transition: all 0.3s ease;
  outline: none;
}
.form-input:focus {
  border-color: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(0,153,255,0.08);
  background: rgba(255, 255, 255, 0.05);
}
textarea.form-input { resize: vertical; min-height: 130px; }

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.page-header {
  padding: 180px 0 80px; text-align: center;
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 153, 255, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 50%, rgba(255, 107, 53, 0.04) 0%, transparent 70%);
}
.page-header h1 { margin-bottom: 14px; }
.page-header .breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--text-muted);
}
.page-header .breadcrumb a { color: var(--text-muted); }
.page-header .breadcrumb a:hover { color: var(--blue-light); }

/* ============================================================
   NEWS DETAIL
   ============================================================ */
.news-detail { padding: 60px 0 100px; }
.news-detail .news-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
  color: var(--text-muted); font-size: 0.85rem;
  margin-bottom: 32px; padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.news-detail .news-body {
  color: var(--text-secondary); font-size: 1.02rem; line-height: 2;
}
.news-detail .news-body p { margin-bottom: 18px; }
.news-detail .news-body h2,
.news-detail .news-body h3 { color: var(--text-primary); margin: 32px 0 14px; }

/* ============================================================
   FLASH MESSAGES
   ============================================================ */
.flash-container {
  position: fixed; top: 90px; right: 28px; z-index: 9999;
  display: flex; flex-direction: column; gap: 10px;
}
.flash {
  padding: 14px 24px; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 500;
  animation: slideInRight 0.4s ease;
  backdrop-filter: blur(12px);
}
.flash.success { background: rgba(0,201,167,0.15); border: 1px solid rgba(0,201,167,0.3); color: var(--emerald); }
.flash.error { background: rgba(255,71,87,0.12); border: 1px solid rgba(255,71,87,0.3); color: #ff6b7a; }
@keyframes slideInRight { from { opacity: 0; transform: translateX(60px); } to { opacity: 1; transform: translateX(0); } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-subtle);
  padding: 28px 0; position: relative;
}
.footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-mid), var(--orange), transparent);
}
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  padding-bottom: 16px; border-bottom: 1px solid var(--border-subtle);
}
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-brand strong { color: #fff; font-size: 0.9rem; white-space: nowrap; }
.footer-brand span { color: var(--text-muted); font-size: 0.8rem; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 0.82rem; }
.footer-links a:hover { color: var(--blue-light); }
.footer-contact { display: flex; gap: 16px; }
.footer-contact span { color: var(--text-muted); font-size: 0.8rem; }
.footer-bottom {
  padding-top: 12px;
  display: flex; justify-content: space-between;
  color: var(--text-muted); font-size: 0.75rem;
}
@media (max-width: 768px) {
  .footer { padding: 20px 0; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 10px; padding-bottom: 12px; }
  .footer-brand, .footer-contact { flex-wrap: wrap; gap: 8px; }
  .footer-links { gap: 12px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }
.pagination a, .pagination span {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary); font-size: 0.9rem; transition: all 0.3s;
}
.pagination a:hover { border-color: var(--blue-bright); background: rgba(0,153,255,0.08); color: #fff; }
.pagination .current { background: var(--blue-bright); border-color: var(--blue-bright); color: #fff; font-weight: 600; }

/* ============================================================
   FLOATING QQ BUTTON
   ============================================================ */
.float-qq {
  position: fixed; right: 20px; bottom: 120px; z-index: 999;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #12b7f5, #0d8fd9);
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(18,183,245,0.4);
  text-decoration: none; transition: all 0.3s ease;
  overflow: hidden;
}
.float-qq:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 32px rgba(18,183,245,0.55);
  width: 64px; height: 64px;
}
.float-qq-icon {
  color: #fff; font-size: 1rem; font-weight: 800;
  font-family: Arial, sans-serif; letter-spacing: -1px;
  margin-top: 14px; line-height: 1;
}
.float-qq-text {
  color: rgba(255,255,255,0.85); font-size: 0.55rem;
  font-weight: 500; font-family: var(--font-cn);
}
/* 脉冲呼吸效果 */
.float-qq::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(18,183,245,0.3);
  animation: qqPulse 2s ease-in-out infinite;
}
@keyframes qqPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0; }
}
@media (max-width: 768px) {
  .float-qq { right: 12px; bottom: 100px; width: 48px; height: 48px; }
  .float-qq:hover { width: 54px; height: 54px; }
  .float-qq-icon { font-size: 0.85rem; margin-top: 11px; }
  .float-qq-text { font-size: 0.5rem; }
}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
.reveal.visible { opacity: 1; transform: translateY(0); }
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-darkest); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* About bottom grid */
.about-bottom-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; max-width: 1000px; margin: 0 auto;
}

/* ============================================================
   RESPONSIVE — 平板
   ============================================================ */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .about-intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-bottom-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 70px 0; }
  .page-header { padding: 140px 0 50px; }
  h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
  h2 { font-size: clamp(1.3rem, 2.8vw, 2rem); }
}

/* ============================================================
   RESPONSIVE — 手机
   ============================================================ */
@media (max-width: 768px) {
  /* 全局间距 */
  .container { padding: 0 16px; }
  .section { padding: 50px 0; }
  .section-header { margin-bottom: 36px; }
  .section-header .subtitle { font-size: 0.9rem; }
  .page-header { padding: 120px 0 40px; }
  .page-header h1 { font-size: 1.6rem; }
  .page-header p { font-size: 0.85rem; }

  /* 导航 */
  .nav { height: 58px; }
  .nav-logo { font-size: 1rem; }
  .nav-logo .logo-icon { width: 28px; height: 28px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 58px; left: 0; right: 0;
    background: rgba(2,13,24,0.98); backdrop-filter: blur(24px);
    padding: 20px 16px; gap: 8px;
    border-bottom: 1px solid var(--border-subtle);
    z-index: 999;
  }
  .nav-links.open li a {
    display: block; padding: 10px 12px; font-size: 1rem;
    border-radius: var(--radius-sm);
  }
  .nav-links.open li a:hover { background: rgba(255,255,255,0.03); }
  .nav-toggle { display: flex; }

  /* Hero */
  .hero { min-height: auto; padding: 100px 0 50px; text-align: center; }
  .hero h1 { font-size: 1.7rem; line-height: 1.35; margin-bottom: 14px; }
  .hero h1 br { display: none; }
  .hero-subtitle { font-size: 0.9rem; max-width: 100%; margin-bottom: 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn { justify-content: center; width: 100%; }
  .hero-tags { gap: 8px; margin-top: 28px; }
  .hero-tag { font-size: 0.72rem; padding: 4px 12px; }
  .hero-badge { font-size: 0.78rem; padding: 6px 14px; margin-bottom: 20px; }

  /* Stats */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-card { padding: 28px 16px 24px; }
  .stat-value { font-size: 2rem; }
  .stat-label { font-size: 0.8rem; }
  .stat-icon { font-size: 1.5rem; margin-bottom: 8px; }

  /* 卡片 */
  .card-grid, .card-grid-3, .news-grid, .svc-grid, .cert-grid {
    grid-template-columns: 1fr; gap: 16px;
  }
  .card { padding: 24px 20px; }
  .svc-card { padding: 22px 18px; }
  .svc-num { font-size: 1.6rem; }

  /* 新闻卡片 */
  .news-card-img { height: 180px; }
  .news-card-body { padding: 18px; }
  .news-card-body h3 { font-size: 1rem; }

  /* 团队 */
  .team-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .team-card { padding: 28px 16px 24px; }
  .team-avatar { width: 72px; height: 72px; font-size: 1.5rem; }
  .team-card h3 { font-size: 1rem; }
  .team-card .bio { font-size: 0.82rem; }

  /* 关于我们 */
  .about-image-placeholder { min-height: 200px; }
  .vision-block { padding: 32px 20px; margin: 0; }
  .vision-block p { font-size: 1.05rem !important; }
  .timeline { padding: 20px 0; }
  .timeline::before { left: 20px; }
  .timeline-dot { left: 20px; width: 12px; height: 12px; }
  .timeline-item, .timeline-item:nth-child(even) { flex-direction: row; margin-bottom: 32px; }
  .timeline-content { width: calc(100% - 48px); margin-left: 48px !important; padding: 18px 16px; }
  .timeline-content h3 { font-size: 1rem; }
  .timeline-content p { font-size: 0.82rem; }

  /* 产品页 */
  .product-card { flex-direction: column; }
  .product-card .card-icon { display: none; }

  /* 联系页 */
  .contact-info-card, .contact-form-card { padding: 24px 18px; }
  .contact-method { padding: 14px 0; }
  .cm-icon { width: 40px; height: 40px; font-size: 1.1rem; }

  /* 表单 */
  .form-row { grid-template-columns: 1fr; }
  .form-input { padding: 10px 14px; font-size: 0.88rem; }

  /* 页脚 */
  .footer { padding: 44px 0 24px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; font-size: 0.75rem; }

  /* 分页 */
  .pagination { gap: 4px; margin-top: 36px; }
  .pagination a, .pagination span { width: 36px; height: 36px; font-size: 0.82rem; }

  /* 合作伙伴滚动 */
  .partner-item { padding: 14px 20px; font-size: 0.85rem; }

  /* 按钮 */
  .btn { padding: 11px 22px; font-size: 0.88rem; }
  .btn-sm { padding: 7px 14px; font-size: 0.8rem; }
}

/* ============================================================
   RESPONSIVE — 小屏手机
   ============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .section { padding: 40px 0; }
  .section-header { margin-bottom: 28px; }
  .section-header h2 { font-size: 1.3rem; }
  .page-header { padding: 105px 0 32px; }

  .stats-grid, .team-grid { grid-template-columns: 1fr; gap: 10px; }
  .stat-value { font-size: 1.8rem; }
  .stat-card { padding: 22px 14px 20px; }

  .hero { padding: 85px 0 40px; }
  .hero h1 { font-size: 1.4rem; }
  .hero-badge { font-size: 0.72rem; }

  .news-card-img { height: 160px; }

  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }

  /* 后台 */
  .admin-sidebar { width: 200px; }
  .admin-main { padding: 20px 14px; }
  .admin-header { flex-direction: column; gap: 12px; align-items: flex-start; }
  .admin-table { font-size: 0.78rem; }
  .admin-table th, .admin-table td { padding: 8px 10px; }
}

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-body { background: #060f1a; }
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; background: rgba(6, 15, 26, 0.95);
  border-right: 1px solid var(--border-subtle);
  padding: 24px 0; flex-shrink: 0;
}
.admin-sidebar .admin-logo {
  padding: 0 20px 24px; border-bottom: 1px solid var(--border-subtle);
  font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 16px;
}
.admin-sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: var(--text-secondary);
  font-size: 0.9rem; transition: all 0.2s;
  border-left: 3px solid transparent;
}
.admin-sidebar nav a:hover, .admin-sidebar nav a.active {
  color: #fff; background: rgba(0,153,255,0.06);
  border-left-color: var(--blue-bright);
}
.admin-main { flex: 1; padding: 36px; overflow-x: auto; }
.admin-header { margin-bottom: 36px; display: flex; justify-content: space-between; align-items: center; }
.admin-header h2 { font-size: 1.5rem; }
.admin-card {
  background: rgba(10, 30, 51, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 28px; margin-bottom: 24px;
}
.admin-stat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px;
  margin-bottom: 36px;
}
.admin-stat {
  background: rgba(10, 30, 51, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: 24px;
}
.admin-stat .stat-num { font-size: 2rem; font-weight: 700; color: var(--blue-bright); }
.admin-stat .stat-label { color: var(--text-secondary); font-size: 0.85rem; margin-top: 4px; }
.admin-stat:nth-child(2) .stat-num { color: var(--orange); }
.admin-stat:nth-child(3) .stat-num { color: var(--emerald); }
.admin-stat:nth-child(4) .stat-num { color: var(--gold); }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th {
  text-align: left; padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary); font-weight: 600; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--border-subtle); }
.admin-table tr:hover td { background: rgba(255,255,255,0.015); }
.admin-table .actions { display: flex; gap: 8px; }

.badge {
  display: inline-block; padding: 3px 12px; border-radius: 50px;
  font-size: 0.78rem; font-weight: 600;
}
.badge-success { background: rgba(0,201,167,0.12); color: var(--emerald); }
.badge-muted { background: rgba(255,255,255,0.04); color: var(--text-muted); }
.badge-blue { background: rgba(0,153,255,0.12); color: var(--blue-light); }

.admin-form label {
  display: block; font-size: 0.83rem; color: var(--text-secondary); margin-bottom: 4px; font-weight: 500;
}
.admin-form .form-input { margin-bottom: 16px; }
.admin-form .form-hint {
  font-size: 0.78rem; color: var(--text-muted); margin-top: -12px; margin-bottom: 16px;
}

.admin-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(0,153,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(255,107,53,0.04) 0%, transparent 60%);
}
.admin-login-box {
  background: rgba(10,30,51,0.8); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl); padding: 44px; width: 400px; max-width: 90vw;
  backdrop-filter: blur(16px);
}
.admin-login-box h2 { text-align: center; margin-bottom: 28px; letter-spacing: 1px; }