/* ===== 活动赛事报名系统 · 前台通用样式 ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-lg: 0 8px 32px rgba(15, 23, 42, .12);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ===== 顶部导航 ===== */
.header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
}
.logo img { height: 32px; width: auto; }
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--gray-500);
  font-size: 15px;
  transition: .15s;
}
.nav a:hover { background: var(--gray-100); color: var(--gray-900); }
.nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }

/* ===== 主体 ===== */
.main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto; padding: 24px 20px 48px; }

/* ===== 搜索区 ===== */
.hero {
  background: linear-gradient(135deg, #1e40af, #2563eb 55%, #3b82f6);
  color: #fff;
  padding: 36px 20px 40px;
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 26px; font-weight: 700; margin-bottom: 8px; letter-spacing: .5px; }
.hero p { opacity: .85; font-size: 15px; margin-bottom: 20px; }
.search-box {
  display: flex;
  background: #fff;
  border-radius: 999px;
  padding: 5px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
  max-width: 520px;
  margin: 0 auto;
}
.search-box input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 18px;
  font-size: 15px;
  background: transparent;
  min-width: 0;
}
.search-box button {
  border: none;
  background: var(--primary);
  color: #fff;
  padding: 10px 26px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: .15s;
  white-space: nowrap;
}
.search-box button:hover { background: var(--primary-dark); }

/* ===== 筛选栏 ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.filter-bar h2 { font-size: 18px; font-weight: 700; margin-right: auto; }
.chip {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-500);
  font-size: 14px;
  cursor: pointer;
  transition: .15s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ===== 活动卡片 ===== */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.activity-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: .2s;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  border: 1px solid transparent;
}
.activity-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.card-cover {
  height: 158px;
  background: linear-gradient(135deg, #dbeafe, #eff6ff);
  position: relative;
  overflow: hidden;
}
.card-cover img { width: 100%; height: 100%; object-fit: cover; }
.card-cover .cover-ph {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  color: #93c5fd;
  font-size: 42px;
}
.badge-hot {
  position: absolute; top: 10px; left: 10px;
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: #fff; font-size: 12px; font-weight: 700;
  padding: 3px 10px; border-radius: 999px;
  box-shadow: 0 2px 8px rgba(239, 68, 68, .35);
}
.badge-status {
  position: absolute; top: 10px; right: 10px;
  font-size: 12px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px;
  backdrop-filter: blur(4px);
}
.st-ongoing { background: rgba(16, 185, 129, .92); color: #fff; }
.st-notstarted { background: rgba(245, 158, 11, .92); color: #fff; }
.st-ended, .st-offline { background: rgba(100, 116, 139, .92); color: #fff; }
.st-full { background: rgba(239, 68, 68, .92); color: #fff; }

.card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title {
  font-size: 16px; font-weight: 700; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-summary {
  font-size: 13px; color: var(--gray-500);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 40px;
}
.card-meta { font-size: 13px; color: var(--gray-500); display: flex; flex-direction: column; gap: 5px; }
.card-meta span { display: flex; align-items: center; gap: 6px; }
.card-meta i { font-style: normal; opacity: .7; }
.card-foot {
  border-top: 1px dashed var(--gray-200);
  padding-top: 10px; margin-top: auto;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px;
}
.remain { color: var(--primary); font-weight: 600; }
.remain.tight { color: var(--danger); }
.card-btn {
  background: var(--primary); color: #fff;
  border: none; padding: 7px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer; transition: .15s;
}
.card-btn:hover { background: var(--primary-dark); }
.card-btn:disabled { background: var(--gray-200); color: var(--gray-500); cursor: not-allowed; }

/* ===== 空状态 ===== */
.empty {
  text-align: center; padding: 64px 20px; color: var(--gray-500);
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: .5; }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 24px; flex-wrap: wrap; }
.pagination button {
  min-width: 38px; height: 38px; padding: 0 12px;
  border: 1px solid var(--gray-200); background: #fff;
  border-radius: var(--radius-sm); cursor: pointer; color: var(--gray-700);
  transition: .15s;
}
.pagination button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.pagination button:disabled { opacity: .45; cursor: not-allowed; }

/* ===== 详情页 ===== */
.detail-wrap { display: grid; grid-template-columns: 1fr 380px; gap: 24px; align-items: start; }
.panel {
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px; margin-bottom: 18px;
}
.panel-title {
  font-size: 16px; font-weight: 700; margin-bottom: 14px;
  padding-left: 10px; border-left: 3px solid var(--primary);
  line-height: 1.2;
}
.detail-cover {
  width: 100%; max-height: 340px; object-fit: cover;
  border-radius: var(--radius-sm); margin-bottom: 18px;
  background: var(--gray-100);
}
.detail-title { font-size: 22px; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.detail-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tag {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: var(--gray-100); color: var(--gray-500);
}
.tag.blue { background: var(--primary-light); color: var(--primary); }
.tag.green { background: var(--success-light); color: var(--success); }
.tag.orange { background: var(--warning-light); color: var(--warning); }
.tag.red { background: var(--danger-light); color: var(--danger); }

.info-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.info-item { display: flex; gap: 10px; font-size: 14px; }
.info-item .k { color: var(--gray-500); flex-shrink: 0; width: 62px; }
.info-item .v { color: var(--gray-900); word-break: break-all; }

.rich-text { font-size: 14.5px; color: var(--gray-700); white-space: pre-wrap; word-break: break-word; }
.rich-text p { margin-bottom: 8px; }

/* ===== 报名表单 ===== */
.form-panel { position: sticky; top: 76px; }
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  font-size: 15px; outline: none; transition: .15s; background: #fff;
  color: var(--gray-900);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .1); }
.form-control.error { border-color: var(--danger); background: var(--danger-light); }
textarea.form-control { resize: vertical; min-height: 76px; }
.radio-group { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); cursor: pointer; transition: .15s;
  font-size: 14px; background: #fff;
}
.radio-item:hover { border-color: var(--primary); }
.radio-item.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); font-weight: 600; }
.radio-item input { display: none; }
.error-msg { color: var(--danger); font-size: 12.5px; margin-top: 5px; display: none; }
.error-msg.show { display: block; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 20px; border: none; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; cursor: pointer; transition: .15s;
  background: var(--primary); color: #fff;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-outline { background: #fff; border: 1px solid var(--gray-200); color: var(--gray-700); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

.progress-box {
  background: var(--gray-50); border-radius: var(--radius-sm);
  padding: 14px; margin-bottom: 18px;
}
.progress-head { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 8px; }
.progress-bar { height: 8px; background: var(--gray-200); border-radius: 999px; overflow: hidden; }
.progress-inner { height: 100%; background: linear-gradient(90deg, var(--primary), #60a5fa); border-radius: 999px; transition: width .4s; }
.progress-inner.full { background: linear-gradient(90deg, #ef4444, #f87171); }

/* ===== 报名结果 ===== */
.result-box { text-align: center; padding: 20px 0; }
.result-icon {
  width: 72px; height: 72px; margin: 0 auto 16px;
  border-radius: 50%; background: var(--success-light);
  color: var(--success); display: grid; place-items: center; font-size: 36px;
  animation: pop .4s cubic-bezier(.34, 1.56, .64, 1);
}
@keyframes pop { 0% { transform: scale(0); } 100% { transform: scale(1); } }
.result-title { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.result-sub { color: var(--gray-500); font-size: 14px; margin-bottom: 18px; }
.reg-no {
  background: var(--primary-light); color: var(--primary);
  font-size: 20px; font-weight: 700; letter-spacing: 1.5px;
  padding: 12px; border-radius: var(--radius-sm); margin-bottom: 18px;
  font-family: "SF Mono", Consolas, monospace;
  word-break: break-all;
}
.preview-list { text-align: left; background: var(--gray-50); border-radius: var(--radius-sm); padding: 4px 14px; margin-bottom: 18px; }
.preview-item { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--gray-200); font-size: 14px; }
.preview-item:last-child { border-bottom: none; }
.preview-item .k { color: var(--gray-500); flex-shrink: 0; }
.preview-item .v { font-weight: 500; word-break: break-all; text-align: right; }

/* ===== 提示条 ===== */
.alert { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 16px; display: flex; gap: 8px; align-items: flex-start; }
.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); border: 1px solid #bfdbfe; }
.alert-danger { background: var(--danger-light); color: #991b1b; border: 1px solid #fecaca; }

/* ===== Toast ===== */
.toast-wrap { position: fixed; top: 76px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  padding: 11px 20px; border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, .92); color: #fff; font-size: 14px;
  box-shadow: var(--shadow-lg); animation: slideDown .25s ease;
  max-width: 90vw; text-align: center;
}
.toast.success { background: #059669; }
.toast.error { background: #dc2626; }
.toast.info { background: var(--primary); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: translateY(0); } }

/* ===== 弹窗 ===== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .5);
  z-index: 1000; display: none; align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-mask.show { display: flex; animation: fadeIn .2s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: #fff; border-radius: var(--radius); width: 100%; max-width: 560px;
  max-height: 86vh; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.modal-head h3 { font-size: 17px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 24px; color: var(--gray-500); cursor: pointer; line-height: 1; padding: 0 4px; }
.modal-close:hover { color: var(--gray-900); }
.modal-body { padding: 20px 22px; overflow-y: auto; font-size: 14px; color: var(--gray-700); white-space: pre-wrap; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 10px; }

/* ===== 查询页 ===== */
.query-wrap { max-width: 620px; margin: 0 auto; }
.sms-row { display: flex; gap: 10px; }
.sms-row .form-control { flex: 1; }
.sms-btn { white-space: nowrap; padding: 10px 16px; }
.record-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; margin-bottom: 14px; border-left: 3px solid var(--success);
}
.record-card.invalid { border-left-color: var(--gray-300); }
.record-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.record-title { font-size: 16px; font-weight: 700; }
.record-no { font-size: 12.5px; color: var(--gray-500); font-family: Consolas, monospace; margin-top: 3px; }

/* ===== 底部 ===== */
.footer {
  background: #fff; border-top: 1px solid var(--gray-200);
  padding: 22px 20px; text-align: center; color: var(--gray-500); font-size: 13.5px;
}
.footer-links { display: flex; justify-content: center; gap: 18px; margin-bottom: 8px; flex-wrap: wrap; }
.footer-links a { color: var(--gray-500); }
.footer-links a:hover { color: var(--primary); }

/* ===== 加载 ===== */
.loading { text-align: center; padding: 48px; color: var(--gray-500); }
.spinner {
  width: 30px; height: 30px; margin: 0 auto 12px;
  border: 3px solid var(--gray-200); border-top-color: var(--primary);
  border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 移动端适配 ===== */
@media (max-width: 860px) {
  .detail-wrap { grid-template-columns: 1fr; }
  .form-panel { position: static; }
}
@media (max-width: 640px) {
  .header-inner { height: 54px; padding: 0 14px; gap: 10px; }
  .logo { font-size: 16px; }
  .logo span { display: none; }
  .nav a { padding: 7px 10px; font-size: 14px; }
  .main { padding: 16px 14px 36px; }
  .hero { padding: 26px 16px 30px; }
  .hero h1 { font-size: 21px; }
  .hero p { font-size: 14px; margin-bottom: 16px; }
  .activity-grid { grid-template-columns: 1fr; gap: 14px; }
  .panel { padding: 18px 16px; }
  .detail-title { font-size: 19px; }
  .info-list { grid-template-columns: 1fr; }
  .card-cover { height: 148px; }
  .toast-wrap { top: 64px; }
}