/* ========== CSS Reset & Variables ========== */
:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  --success: #059669;
  --success-light: #ecfdf5;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.1);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--gray-800);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; }

/* ========== Layout ========== */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#header {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 8px rgba(0,0,0,.06);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,.04);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 17px;
  color: var(--gray-800);
  transition: var(--transition);
}
.logo:hover { transform: scale(1.02); }

.logo-icon {
  font-size: 30px;
  display: inline-block;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(29,78,216,0.15));
}

.logo-icon img.logo-img {
  width: auto;
  height: 36px;
  max-width: 120px;
  object-fit: contain;
  vertical-align: middle;
  display: inline-block;
}

#nav-menu {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  padding: 4px;
  border-radius: 10px;
}

.nav-link {
  padding: 8px 20px;
  border-radius: 8px;
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(29,78,216,.06);
}

.nav-link.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

#user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

#user-name-display {
  font-size: 14px;
  color: var(--gray-700);
  font-weight: 500;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-700);
  padding: 6px 10px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.menu-toggle:hover { background: var(--gray-100); }

#main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px;
}

footer {
  background: linear-gradient(180deg, var(--white) 0%, #f8f9fb 100%);
  border-top: 2px solid var(--primary-light);
  color: var(--gray-400);
  font-size: 13px;
  padding: 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-col {
  flex: 1;
  min-width: 200px;
}

.footer-contact {
  flex: 1.2;
}

.footer-info {
  flex: 1.6;
  text-align: center;
}

.footer-qrcode {
  flex: 0 0 auto;
  text-align: center;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
  display: inline-block;
}

.footer-contact-content {
  font-size: 13px;
  line-height: 1.9;
  color: var(--gray-500);
}

.footer-contact-content p {
  margin: 0;
}

.footer-qrcode-img {
  width: 100px;
  height: 100px;
  border-radius: 8px;
  border: 2px solid var(--gray-200);
  object-fit: contain;
  background: #fff;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.footer-qrcode-label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--gray-400);
}

/* 页尾底部条（版权+备案） */
.footer-bottom {
  text-align: center;
  padding: 12px 20px;
  border-top: 1px solid var(--gray-200);
  background: rgba(0,0,0,0.02);
  font-size: 12px;
  color: var(--gray-400);
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    padding: 24px 16px 20px;
  }
  .footer-col {
    width: 100%;
  }
  .footer-info {
    text-align: center;
  }
  .footer-col-title {
    display: block;
    text-align: center;
  }
}

/* ========== Page System ========== */
.page { display: none; }
.page.active { display: block; }
.page.fade-in { animation: fadeIn 0.4s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== Hero (全新设计) ========== */
.hero {
  background: var(--primary-gradient);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  color: var(--white);
  text-align: center;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(29,78,216,.25);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(5%, 5%); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  animation: float 6s ease-in-out infinite;
}
.p1 { width: 80px; height: 80px; top: 10%; left: 10%; animation-delay: 0s; }
.p2 { width: 40px; height: 40px; top: 20%; right: 15%; animation-delay: 1s; }
.p3 { width: 60px; height: 60px; bottom: 15%; left: 20%; animation-delay: 2s; }
.p4 { width: 30px; height: 30px; top: 60%; right: 10%; animation-delay: 3s; }
.p5 { width: 50px; height: 50px; bottom: 10%; right: 30%; animation-delay: 4s; }
.p6 { width: 20px; height: 20px; top: 40%; left: 5%; animation-delay: 5s; }

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.15; }
  50% { transform: translateY(-20px) scale(1.1); opacity: 0.25; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 10px rgba(0,0,0,.15);
}

.hero-desc {
  font-size: 17px;
  opacity: 0.92;
  max-width: 600px;
  margin: 0 auto 28px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-light {
  background: var(--white);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  opacity: 1;
}

.btn-outline-light {
  background: rgba(255,255,255,.12);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.3);
  font-weight: 500;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.22);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-2px);
  opacity: 1;
}

.hero-sections {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 36px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero-section-card {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  text-align: center;
  transition: var(--transition);
  flex: 1 1 260px;
  max-width: 400px;
  min-width: 220px;
}

.hero-section-card:hover {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.28);
  transform: translateY(-2px);
}

.hero-section-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  text-shadow: 0 1px 4px rgba(0,0,0,.1);
}

.hero-section-content {
  font-size: 14px;
  opacity: 0.9;
  line-height: 1.7;
  word-break: break-word;
}

/* Hero 背景自适应：根据内容块数量调整内边距 */
.hero-sections[data-count="0"] ~ * { display: none; }
.hero-sections:empty { margin-top: 0; }

/* ========== Section Header (公告区域) ========== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
}

.section-tabs {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  padding: 4px;
  border-radius: 10px;
}

.tab-btn {
  padding: 7px 18px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--gray-500);
  transition: var(--transition);
  font-family: inherit;
}

.tab-btn:hover { color: var(--primary); }

.tab-btn.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

/* ========== Announce Cards ========== */
.announce-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.announce-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.announce-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary-gradient);
  border-radius: 3px 0 0 3px;
  opacity: 0;
  transition: var(--transition);
}

.announce-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-200);
}

.announce-card:hover::before {
  opacity: 1;
}

.announce-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.announce-type {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}
.type-notice { background: #fef3c7; color: #92400e; }
.type-news { background: #dbeafe; color: #1e40af; }

.top-badge {
  display: inline-block;
  padding: 2px 8px;
  background: #fee2e2;
  color: #dc2626;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.announce-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--gray-800);
  flex: 1;
}

.announce-summary {
  color: var(--gray-500);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.announce-card-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 12px;
  color: var(--gray-400);
}

.announce-more {
  margin-left: auto;
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}

.announce-card:hover .announce-more {
  transform: translateX(4px);
}

/* ========== Announce Detail Modal ========== */
.modal-lg { max-width: 800px; }

.announce-meta {
  display: flex;
  gap: 20px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 13px;
  color: var(--gray-500);
}

.announce-content {
  line-height: 2;
  font-size: 15px;
  color: var(--gray-700);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Markdown 渲染后的内容样式 */
.announce-content h1 { font-size: 24px; margin: 24px 0 14px; color: var(--gray-900); border-bottom: 2px solid var(--gray-200); padding-bottom: 8px; }
.announce-content h2 { font-size: 22px; margin: 22px 0 12px; color: var(--gray-900); border-bottom: 1px solid var(--gray-200); padding-bottom: 6px; }
.announce-content h3 { font-size: 20px; margin: 20px 0 12px; color: var(--gray-800); }
.announce-content h4 { font-size: 17px; margin: 16px 0 10px; color: var(--gray-800); }
.announce-content h5 { font-size: 15px; margin: 14px 0 8px; color: var(--gray-800); }
.announce-content h6 { font-size: 14px; margin: 12px 0 8px; color: var(--gray-600); }
.announce-content p { margin-bottom: 10px; }
.announce-content ul, .announce-content ol { padding-left: 24px; margin-bottom: 10px; }
.announce-content li { margin-bottom: 4px; }
.announce-content strong { color: var(--gray-800); }
.announce-content em { color: var(--gray-600); }
.announce-content a { color: var(--primary); text-decoration: underline; }
.announce-content a:hover { color: var(--primary-dark); }
.announce-content blockquote {
  margin: 12px 0;
  padding: 8px 16px;
  border-left: 4px solid var(--primary);
  background: var(--gray-50);
  color: var(--gray-600);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.announce-content blockquote p { margin-bottom: 4px; }
.announce-content code {
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  color: #d63384;
}
.announce-content pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 12px 0;
  line-height: 1.6;
}
.announce-content pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: 13px;
}
.announce-content hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 20px 0;
}
.announce-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 10px 0;
}
.announce-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}
.announce-content table th,
.announce-content table td {
  border: 1px solid var(--gray-200);
  padding: 8px 12px;
  text-align: left;
}
.announce-content table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-800);
}
.announce-content table tr:nth-child(even) { background: var(--gray-50); }
.announce-content input[type="checkbox"] { margin-right: 6px; }

/* ========== Loading Skeleton ========== */
.loading-placeholder {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.skeleton-card {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-50) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-lg);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========== Features (优化) ========== */
.features { padding: 20px 0 40px; }
.features h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 36px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: var(--primary-gradient);
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-card:hover .feature-icon-wrap {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(29,78,216,.2);
}

.feature-icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--primary-light);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.feature-icon { font-size: 32px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; position: relative; z-index: 1; }
.feature-card p { color: var(--gray-500); font-size: 14px; line-height: 1.7; position: relative; z-index: 1; }

/* ========== 密码可见切换按钮 ========== */
.pwd-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.pwd-input-wrap input {
  padding-right: 42px !important;
}

.pwd-toggle-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  font-size: 18px;
  line-height: 1;
  color: var(--gray-400);
  transition: var(--transition);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  user-select: none;
  -webkit-user-select: none;
}

.pwd-toggle-btn:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

.pwd-toggle-btn:active {
  transform: translateY(-50%) scale(0.9);
}

/* ========== Forms (优化) ========== */
.form-container {
  max-width: 560px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}

.form-container h2 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 26px;
  font-weight: 700;
}

.form-subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 28px;
  font-size: 14px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.required { color: var(--danger); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 15px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray-800);
  transition: var(--transition);
  background: var(--white);
  font-family: inherit;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(29,78,216,.1);
}

.form-group textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-error {
  background: var(--danger-light);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
  border: 1px solid #fecaca;
}

.form-footer {
  text-align: center;
  margin-top: 18px;
  font-size: 14px;
  color: var(--gray-500);
}

/* ========== Buttons (优化) ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.1) 0%, transparent 100%);
  pointer-events: none;
}

.btn:hover { opacity: 1; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(29,78,216,.3);
}
.btn-primary:hover { box-shadow: 0 8px 25px rgba(29,78,216,.4); }

.btn-success { background: linear-gradient(135deg, #059669, #10b981); color: var(--white); }
.btn-danger { background: linear-gradient(135deg, #dc2626, #ef4444); color: var(--white); }
.btn-warning { background: linear-gradient(135deg, #d97706, #f59e0b); color: var(--white); }

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border: 1.5px solid var(--gray-300);
}
.btn-outline:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--gray-800);
}

.btn-lg { padding: 14px 34px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 6px; }
.btn-block { width: 100%; }

/* ========== Badge / Status ========== */
.status-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-pending { background: var(--warning-light); color: #92400e; }
.status-executed { background: #dbeafe; color: #1e40af; }
.status-approved { background: var(--success-light); color: #065f46; }
.status-rejected { background: var(--danger-light); color: #991b1b; }

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  padding: 14px 24px;
  border-radius: var(--radius);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  animation: slideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 400px;
}

.toast.success { background: linear-gradient(135deg, #059669, #10b981); }
.toast.error { background: linear-gradient(135deg, #dc2626, #ef4444); }
.toast.warning { background: linear-gradient(135deg, #d97706, #f59e0b); }

@keyframes slideIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ========== Loading ========== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(2px);
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ========== Alert ========== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fcd34d; }
.alert-success { background: var(--success-light); color: #065f46; border: 1px solid #6ee7b7; }
.alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fca5a5; }
.alert-info { background: var(--primary-light); color: #3730a3; border: 1px solid #a5b4fc; }

/* ========== Table (优化) ========== */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

table th {
  background: var(--gray-50);
  padding: 13px 18px;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-600);
  white-space: nowrap;
  border-bottom: 2px solid var(--gray-200);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

table td {
  padding: 13px 18px;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

table tbody tr {
  transition: var(--transition);
}

table tbody tr:hover td {
  background: var(--primary-light);
}

/* ========== Pagination ========== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.pagination button {
  padding: 8px 15px;
  border: 1.5px solid var(--gray-300);
  background: var(--white);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  font-family: inherit;
}

.pagination button:hover {
  background: var(--gray-50);
  border-color: var(--primary);
  color: var(--primary);
}

.pagination button.active {
  background: var(--primary-gradient);
  color: var(--white);
  border-color: transparent;
  font-weight: 600;
}

.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

.pagination span {
  font-size: 13px;
  color: var(--gray-500);
}

/* ========== Modal (优化) ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-sm { max-width: 450px; }
.modal-lg { max-width: 800px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 { font-size: 18px; font-weight: 700; }

.modal-close {
  background: var(--gray-100);
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--gray-500);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover { background: var(--gray-200); color: var(--gray-700); }

.modal-body { padding: 28px; }

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* ========== Upload Section ========== */
.upload-section {
  background: var(--gray-50);
  padding: 18px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  border: 1px solid var(--gray-100);
}

.upload-section h4 {
  font-size: 14px;
  margin-bottom: 12px;
  color: var(--gray-600);
  font-weight: 600;
}

.file-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 13px;
  transition: var(--transition);
}
.file-item:hover { border-color: var(--primary); }

.file-item a { color: var(--primary); font-size: 13px; }
.file-item .remove-file {
  cursor: pointer;
  color: var(--gray-400);
  font-size: 16px;
  line-height: 1;
  transition: var(--transition);
}
.file-item .remove-file:hover { color: var(--danger); }

/* ========== Profile (优化) ========== */
.profile-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
  align-items: start;
}

.profile-sidebar {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  position: sticky;
  top: 80px;
}

.profile-avatar-section {
  padding: 28px 24px;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
  background: linear-gradient(180deg, var(--primary-light) 0%, var(--white) 100%);
}

.avatar-preview {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--white);
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  font-size: 40px;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: 3px solid var(--white);
}

.avatar-preview:hover { box-shadow: var(--shadow-lg); transform: scale(1.05); }

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-nav { padding: 8px; }

.profile-nav-item {
  display: block;
  padding: 11px 18px;
  border-radius: var(--radius);
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.profile-nav-item:hover { background: var(--gray-50); color: var(--primary); }
.profile-nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.profile-nav-item.incomplete::after {
  content: ' ⚠';
  color: #f59e0b;
  font-size: 12px;
}

/* 资料完善提示横幅 */
.complete-banner {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  border: 1px solid #f59e0b;
  color: #92400e;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 20px;
  text-align: center;
  line-height: 1.6;
}

.profile-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 28px;
  border: 1px solid var(--gray-100);
}

.profile-tab { display: none; }
.profile-tab.active { display: block; }
.profile-tab h3 { margin-bottom: 22px; font-size: 18px; font-weight: 700; }

.status-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: var(--transition);
}

.status-icon { font-size: 44px; }
.status-info h4 { font-size: 18px; margin-bottom: 4px; font-weight: 700; }
.status-info p { color: var(--gray-500); font-size: 14px; }

/* ========== Empty State ========== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--gray-400);
}

.empty-state .empty-icon {
  font-size: 56px;
  margin-bottom: 14px;
}

.empty-state p {
  font-size: 15px;
}

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .header-inner { padding: 0 14px; height: 56px; }

  #nav-menu {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 8px;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  #nav-menu.open { display: flex; }

  .menu-toggle { display: block; }

  .hero { padding: 40px 20px; border-radius: var(--radius-lg); }
  .hero h1 { font-size: 26px; }
  .hero-sections { gap: 14px; }
  .hero-section-card { padding: 16px 20px; flex: 1 1 100%; max-width: 100%; }

  .feature-grid { grid-template-columns: 1fr; }

  .form-container { padding: 24px 18px; max-width: 100%; }

  .form-row { grid-template-columns: 1fr; }

  .profile-container {
    grid-template-columns: 1fr;
  }

  .profile-sidebar { position: static; }

  .profile-nav {
    display: flex;
    overflow-x: auto;
    gap: 4px;
    padding: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .profile-nav-item {
    white-space: nowrap;
    flex-shrink: 0;
  }

  .profile-avatar-section { padding: 20px; }

  .btn-lg { padding: 12px 24px; font-size: 15px; }

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

  .announce-card { padding: 16px 18px; }
  .announce-card-footer { flex-wrap: wrap; gap: 10px; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .hero-btns .btn { width: 100%; }
  .btn-lg { width: 100%; }
}

/* ========== 注册页头像上传 ========== */
.register-avatar-section {
  text-align: center;
  margin-bottom: 24px;
}

.avatar-preview-lg {
  width: 100px;
  height: 100px;
  font-size: 48px;
  margin: 0 auto 8px;
}

.avatar-hint {
  font-size: 12px;
  color: var(--gray-400);
  margin: 0;
}

/* ========== 管理员专家详情弹窗 ========== */
.expert-detail-view {
  max-height: 65vh;
  overflow-y: auto;
  padding-right: 4px;
}

.expert-detail-avatar-section {
  text-align: center;
  padding: 12px 0 20px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 20px;
}

.expert-detail-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
  box-shadow: var(--shadow-md);
  margin-bottom: 10px;
}

.expert-detail-avatar-fallback {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), #e0e7ff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin-bottom: 10px;
  border: 3px solid var(--primary-light);
  box-shadow: var(--shadow-md);
}

.expert-detail-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0 0 6px 0;
}

.expert-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.expert-detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: var(--gray-50);
  border-radius: 8px;
  border: 1px solid var(--gray-100);
}

.detail-label {
  font-size: 11px;
  color: var(--gray-400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.detail-value {
  font-size: 14px;
  color: var(--gray-800);
  font-weight: 500;
  word-break: break-all;
}

.expert-detail-section {
  margin-top: 16px;
  padding: 16px;
  background: var(--gray-50);
  border-radius: 10px;
  border: 1px solid var(--gray-100);
}

.expert-detail-section h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-700);
  margin: 0 0 8px 0;
}

.expert-detail-text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 640px) {
  .expert-detail-grid {
    grid-template-columns: 1fr;
  }
}