/* 3q110.cn - Bilibili风格共享样式 */
:root {
  --bili-pink: #fb7299;
  --bili-pink-hover: #fc8bab;
  --bili-dark: #18191c;
  --bili-dark2: #1e1f23;
  --bili-dark3: #252629;
  --bili-bg: #f4f4f5;
  --bili-text: #18191c;
  --bili-text2: #61666d;
  --bili-text3: #9499a0;
  --bili-border: #e3e5e7;
  --bili-white: #ffffff;
  --bili-blue: #00a1d6;
  --bili-blue-hover: #00b5e5;
  --bili-gold: #f5a623;
  --bili-green: #00c853;
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-primary);
  background: var(--bili-bg);
  color: var(--bili-text);
  line-height: 1.6;
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== Navigation ===== */
nav {
  position: sticky;
  top: 0;
  background: var(--bili-white);
  border-bottom: 1px solid var(--bili-border);
  z-index: 1000;
  height: 56px;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--bili-pink);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo span { color: var(--bili-dark); }

.nav-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}
.nav-search input {
  width: 100%;
  height: 36px;
  padding: 0 16px 0 40px;
  border: 1px solid var(--bili-border);
  border-radius: 20px;
  background: #f6f7f8;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.nav-search input:focus {
  border-color: var(--bili-pink);
  background: var(--bili-white);
  box-shadow: 0 0 0 3px rgba(251,114,153,0.1);
}
.nav-search .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--bili-text3);
  font-size: 16px;
  pointer-events: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--bili-text);
  border-radius: 6px;
  transition: var(--transition);
}
.nav-links a:hover {
  background: #f6f7f8;
  color: var(--bili-pink);
}
.nav-links a.active {
  color: var(--bili-pink);
  background: rgba(251,114,153,0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-login {
  padding: 6px 20px;
  background: var(--bili-pink);
  color: var(--bili-white);
  border: none;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-login:hover {
  background: var(--bili-pink-hover);
  transform: scale(1.03);
}

.btn-register {
  padding: 6px 20px;
  background: transparent;
  color: var(--bili-pink);
  border: 1px solid var(--bili-pink);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-register:hover {
  background: rgba(251,114,153,0.06);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bili-pink), #ff9eb5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.user-avatar:hover { transform: scale(1.1); }

/* ===== Hero / Banner ===== */
.hero-banner {
  background: linear-gradient(135deg, #18191c 0%, #252629 50%, #18191c 100%);
  padding: 60px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(251,114,153,0.08) 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, rgba(0,161,214,0.06) 0%, transparent 50%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(-5%, 5%); }
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}
.hero-banner h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--bili-white);
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.hero-banner h1 .highlight {
  background: linear-gradient(135deg, var(--bili-pink), #ff9eb5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-banner p {
  font-size: 18px;
  color: #c0c4cc;
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-tag {
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255,255,255,0.08);
  color: #c0c4cc;
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
  cursor: default;
}
.hero-tag:hover {
  background: rgba(251,114,153,0.15);
  color: var(--bili-pink);
  border-color: rgba(251,114,153,0.3);
}

/* ===== Section ===== */
.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-header h2 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.section-header h2 .accent {
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--bili-pink);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}
.section-more {
  font-size: 13px;
  color: var(--bili-text3);
  transition: var(--transition);
}
.section-more:hover { color: var(--bili-pink); }

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bili-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #e8eaed;
  overflow: hidden;
}
.card-img .placeholder-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  opacity: 0.3;
}
.card-img .duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}
.card-img .play-count {
  position: absolute;
  bottom: 8px;
  left: 8px;
  color: white;
  font-size: 12px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.card-body {
  padding: 14px 16px 16px;
}
.card-body h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
  min-height: 42px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--bili-text3);
}
.card-meta .up-name {
  color: var(--bili-text2);
  font-weight: 500;
}
.card-meta .dot { color: var(--bili-border); }

/* ===== Footer ===== */
footer {
  background: var(--bili-white);
  border-top: 1px solid var(--bili-border);
  padding: 40px 24px 24px;
  margin-top: 40px;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--bili-pink);
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--bili-text3);
  line-height: 1.8;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--bili-text);
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--bili-text3);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--bili-pink); }
.footer-bottom {
  max-width: 1400px;
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--bili-border);
  text-align: center;
  font-size: 12px;
  color: var(--bili-text3);
}

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--bili-white);
  border-radius: 16px;
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 400px;
  position: relative;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { transform: scale(0.95) translateY(10px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f6f7f8;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bili-text3);
  transition: var(--transition);
}
.modal-close:hover { background: #e8eaed; color: var(--bili-text); }
.modal h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}
.modal .subtitle {
  text-align: center;
  color: var(--bili-text3);
  font-size: 14px;
  margin-bottom: 28px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--bili-text2);
  margin-bottom: 6px;
}
.form-group input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--bili-border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.form-group input:focus {
  border-color: var(--bili-pink);
  box-shadow: 0 0 0 3px rgba(251,114,153,0.1);
}
.form-group .error-msg {
  font-size: 12px;
  color: #f56c6c;
  margin-top: 4px;
  display: none;
}
.form-group.error input { border-color: #f56c6c; }
.form-group.error .error-msg { display: block; }

.btn-primary {
  width: 100%;
  height: 42px;
  background: var(--bili-pink);
  color: var(--bili-white);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary:hover { background: var(--bili-pink-hover); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.modal-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--bili-text3);
}
.modal-footer a {
  color: var(--bili-pink);
  font-weight: 600;
  cursor: pointer;
}
.modal-footer a:hover { text-decoration: underline; }

/* ===== Visitor Badge ===== */
.visitor-badge {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bili-white);
  border: 1px solid var(--bili-border);
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: var(--shadow-hover);
  z-index: 999;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  cursor: default;
}
.visitor-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.visitor-badge .visitor-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bili-pink), #ff9eb5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  flex-shrink: 0;
}
.visitor-badge .visitor-info { line-height: 1.4; }
.visitor-badge .visitor-count {
  font-weight: 700;
  font-size: 16px;
  color: var(--bili-pink);
}
.visitor-badge .visitor-label {
  font-size: 11px;
  color: var(--bili-text3);
}

/* ===== Search Overlay ===== */
.search-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  backdrop-filter: blur(4px);
}
.search-overlay.active { display: flex; }

.search-panel {
  background: var(--bili-white);
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 70vh;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  animation: modalIn 0.25s ease;
}

.search-panel-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bili-border);
  gap: 12px;
}
.search-panel-title {
  font-size: 16px;
  font-weight: 700;
}
.search-count {
  font-size: 12px;
  color: var(--bili-text3);
  margin-left: auto;
}
.search-close {
  width: 28px;
  height: 28px;
  border: none;
  background: #f6f7f8;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bili-text3);
  transition: var(--transition);
  flex-shrink: 0;
}
.search-close:hover { background: #e8eaed; color: var(--bili-text); }

.search-results {
  padding: 8px;
  overflow-y: auto;
  max-height: calc(70vh - 60px);
}

.search-result-item {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}
.search-result-item:hover { background: #f6f7f8; }

.search-result-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--bili-text);
}
.search-result-title mark {
  background: rgba(251,114,153,0.2);
  color: var(--bili-pink);
  border-radius: 2px;
  padding: 0 2px;
}
.search-result-desc {
  font-size: 13px;
  color: var(--bili-text3);
  line-height: 1.4;
}
.search-result-desc mark {
  background: rgba(251,114,153,0.15);
  color: var(--bili-pink);
  border-radius: 2px;
  padding: 0 2px;
}

.search-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--bili-text3);
  font-size: 14px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--bili-dark);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 3000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { background: #00c853; }
.toast.error { background: #f56c6c; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-search { max-width: 200px; }
  .hero-banner h1 { font-size: 28px; }
  .hero-banner p { font-size: 15px; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .visitor-badge { bottom: 16px; right: 16px; padding: 10px 14px; }
}