/* ============================================
   海口微服企业管理有限公司
   Apple Design System — v3
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-dark: #0a0a0c;
  --bg-card: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;
  --text-on-dark: #f5f5f7;
  --text-on-dark-secondary: #a1a1a6;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-light: #e8f4fd;
  --success: #30d158;
  --warning: #ff9f0a;
  --error: #ff453a;
  --border: #d2d2d7;
  --border-light: #e5e5ea;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Menlo", "Monaco", "Consolas", monospace;
  --transition-fast: 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  --max-width: 1200px;
  --nav-height: 64px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { 
  scroll-behavior: smooth; 
  -webkit-font-smoothing: antialiased; 
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}
body {
  font-family: var(--font-stack);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-stack); border: none; }
input, textarea, select { font-family: var(--font-stack); }
ul { list-style: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  z-index: 1000;
  transition: background var(--transition);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.3s ease;
}
.nav-logo:hover { transform: scale(1.04); }
.nav-logo svg {
  width: 36px; height: 36px;
  filter: drop-shadow(0 0 6px rgba(0,113,227,0.35));
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(0,113,227,0.35)); }
  50% { filter: drop-shadow(0 0 14px rgba(0,113,227,0.6)); }
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.2px;
  padding: 6px 0;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--accent); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu a {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.mobile-menu a:hover { color: var(--accent); }

/* ============================================
   Hero
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,113,227,0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(48,209,88,0.06), transparent);
  pointer-events: none;
}
/* Memory points canvas */
.hero-memory-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: auto;
  opacity: 0.9;
  cursor: default;
}
/* Subtle grid */
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: 
    linear-gradient(rgba(255,255,255,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.3) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 40%, transparent 80%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: 80px 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(0,113,227,0.12);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}
.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #0071e3, #5ac8fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-on-dark-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  font-weight: 400;
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  opacity: 0.5;
  pointer-events: none;
  max-width: 50vw;
  overflow: hidden;
}
.hero-visual svg { width: 100%; height: 100%; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.2px;
  border-radius: 100px;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0,113,227,0.3);
  color: #fff;
}
.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: var(--text-on-dark);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-secondary:hover { 
  background: rgba(255,255,255,0.18); 
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}
.btn-light {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}
.btn-light:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* ============================================
   Section Base
   ============================================ */
.section {
  padding: 100px 0;
}
.section-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section-white { background: var(--bg-secondary); }
.section-gray { background: var(--bg-primary); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.section-dark .section-title { color: var(--text-on-dark); }
.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}
.section-dark .section-desc { color: var(--text-on-dark-secondary); }

/* ============================================
   Trust Badges (首页)
   ============================================ */
.trust-strip {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-light);
  padding: 48px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.trust-item:hover {
  background: var(--accent-light);
}
.trust-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-icon svg { width: 22px; height: 22px; }
.trust-text h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}
.trust-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ============================================
   Cards
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}
.card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   Process / Timeline (服务页)
   ============================================ */
.process-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.process-list::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--border);
  border-radius: 1px;
}
.process-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  position: relative;
}
.process-num {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  z-index: 1;
  transition: all var(--transition);
}
.process-item:hover .process-num {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
}
.process-body { flex: 1; }
.process-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.process-body p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   Feature Grid (关于我们)
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ============================================
   Form
   ============================================ */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
  letter-spacing: -0.1px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  outline: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,113,227,0.1);
  background: var(--bg-card);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-tertiary);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 1.05rem;
  line-height: 1.7;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-detail-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-detail-icon svg { width: 20px; height: 20px; }
.contact-detail h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.contact-detail p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.form-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}
.form-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
}

/* Success message */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: #e8f8ed;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.form-success-icon svg { width: 32px; height: 32px; }
.form-success h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.form-success p { color: var(--text-secondary); }

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-dark);
  color: #fff;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; }
.toast.success { background: #30d158; }
.toast.error { background: #ff453a; }

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-dark);
  color: var(--text-on-dark-secondary);
  padding: 48px 0 32px;
  font-size: 0.85rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand { font-weight: 700; color: var(--text-on-dark); font-size: 1rem; }

/* ============================================
   Admin Page
   ============================================ */
.admin-page {
  min-height: 100vh;
  background: var(--bg-primary);
  padding-top: var(--nav-height);
}
.login-container {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  overflow: hidden;
}
/* Sci-fi animated background */
.login-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0,113,227,0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(90,200,250,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(88,86,214,0.1) 0%, transparent 70%),
    linear-gradient(135deg, #0a0e27 0%, #0d1a3a 40%, #0a1528 100%);
  z-index: 0;
}
.login-container::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,113,227,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,113,227,0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
  z-index: 0;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0% { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}
.login-box {
  position: relative;
  z-index: 1;
  background: rgba(15, 23, 50, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 60px rgba(0,113,227,0.15);
  border: 1px solid rgba(90,200,250,0.3);
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-box h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}
.login-box > p {
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
  font-size: 0.9rem;
}
.login-box .form-group label {
  color: rgba(255,255,255,0.7);
}
.login-box .form-input {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(90,200,250,0.25);
  color: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.login-box .form-input::placeholder {
  color: rgba(255,255,255,0.3);
}
.login-box .form-input:focus {
  border-color: #5ac8fa;
  box-shadow: 0 0 12px rgba(90,200,250,0.4);
}
.admin-panel { display: none; padding: 40px 0; }
.admin-panel.show { display: block; }
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.admin-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
}
.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.admin-stat {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.admin-stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 4px; }
.admin-stat-value { font-size: 2rem; font-weight: 700; color: var(--accent); letter-spacing: -1px; }
.admin-table-wrap {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.admin-table th {
  background: var(--bg-primary);
  padding: 14px 20px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
}
.admin-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--accent-light); }
.admin-empty { padding: 60px 20px; text-align: center; color: var(--text-tertiary); }
.admin-actions { display: flex; gap: 8px; }
.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
}
.btn-danger {
  background: transparent;
  color: var(--error);
  border: 1px solid var(--error);
}
.btn-danger:hover { background: var(--error); color: #fff; }
.btn-clear {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-clear:hover { background: var(--bg-primary); }
.logout-btn {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.logout-btn:hover { background: var(--error); color: #fff; border-color: var(--error); }

/* ============================================
   Service Showcase
   ============================================ */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.capability-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.capability-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.capability-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.capability-icon svg { width: 20px; height: 20px; }
.capability-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.capability-text p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ============================================
   About Page Specific
   ============================================ */
.about-hero {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.about-hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -1.2px;
  margin-bottom: 16px;
}
.about-hero p {
  color: var(--text-on-dark-secondary);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}
.about-content {
  padding: 80px 0;
}
.about-content .container {
  max-width: 780px;
}
.about-content h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.about-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 1rem;
}
.about-content .highlight {
  color: var(--accent);
  font-weight: 600;
}
.contact-block {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.contact-block-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-block-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-block-icon svg { width: 18px; height: 18px; }
.contact-block-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2px;
}
.contact-block-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================
   Page Hero (服务/联系)
   ============================================ */
.page-hero {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 50%, rgba(0,113,227,0.12), transparent);
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
  position: relative;
}
.page-hero p {
  color: var(--text-on-dark-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-in {
  animation: fadeInUp 0.6s cubic-bezier(0.25, 0.1, 0.25, 1) both;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-block { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }
  
  .hero { min-height: auto; }
  .hero-content { padding: 60px 0; }
  .hero-memory-canvas { opacity: 0.45; }
  
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
  
  .trust-grid { grid-template-columns: 1fr; gap: 12px; }
  .trust-item { padding: 16px; }
  
  .card-grid { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  
  .form-row { grid-template-columns: 1fr; }
  
  .form-card { padding: 28px 20px; }
  
  .stats-grid { grid-template-columns: 1fr; }
  
  .admin-stats { grid-template-columns: 1fr; }
  
  .admin-table { font-size: 0.8rem; }
  .admin-table th, .admin-table td { padding: 10px 12px; }
  
  .footer-inner { flex-direction: column; text-align: center; }
  
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  
  .contact-layout { gap: 32px; }
  
  .page-hero, .about-hero { padding: 100px 0 60px; }
  .page-hero h1, .about-hero h1 { font-size: 2rem; }
  
  .btn { padding: 14px 24px; font-size: 0.9rem; }

  .admin-header { flex-direction: column; align-items: flex-start; }

  .contact-block { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 2rem; }
  .hero-memory-canvas { opacity: 0.35; }
  .section-title { font-size: 1.6rem; }
  .admin-table-wrap { font-size: 0.75rem; }
  .admin-table th, .admin-table td { padding: 8px 10px; white-space: nowrap; }
}