:root {
  --bg-primary: #0b0f17;
  --bg-secondary: #121824;
  --bg-card: #182234;
  --bg-card-hover: #1e2b42;
  --border-color: #24344d;
  --border-focus: #3b82f6;
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 顶部导航 */
.navbar {
  border-bottom: 1px solid var(--border-color);
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: block;
  filter: drop-shadow(0 0 12px rgba(34, 211, 238, 0.45));
  transition: transform 0.25s ease, filter 0.25s ease;
}

.brand:hover .brand-logo-img {
  transform: scale(1.06) rotate(-3deg);
  filter: drop-shadow(0 0 18px rgba(59, 130, 246, 0.65));
}

.brand-text h1 {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, #93c5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-text p {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.live-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
  100% { opacity: 1; transform: scale(1); }
}

.btn-lang {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-lang:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

/* Hero 模块 */
.hero {
  padding: 48px 0 32px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  background: radial-gradient(circle at 50% 10%, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
}

.hero-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(18, 24, 36, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 9999px;
  margin-bottom: 18px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.12);
}

.hero-brand-pill img {
  width: 18px;
  height: 18px;
  display: block;
}

.hero-brand-pill span {
  font-size: 11.5px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.8px;
}

.hero h2 {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 15px;
  max-width: 680px;
  margin: 0 auto 32px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 880px;
  margin: 0 auto;
}

.stat-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 10px;
  text-align: left;
}

.stat-label {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
  font-weight: 500;
}

.stat-value {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
}

/* 选项卡导航 */
.tabs-nav {
  display: flex;
  gap: 8px;
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  color: var(--accent-cyan);
  background: var(--bg-secondary);
  border-color: var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 内容板块 */
.tab-content {
  display: none;
  padding: 32px 0 64px;
}

.tab-content.active {
  display: block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-title-wrap h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.section-title-wrap p {
  color: var(--text-muted);
  font-size: 13px;
}

.section-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-focus);
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #2563eb;
}

/* 平台卡片网格 */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  position: relative;
  transition: all 0.2s ease;
}

.platform-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.card-title-group h4 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.card-title-group span {
  font-size: 12px;
  color: var(--text-dim);
}

.status-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.status-tag.normal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-tag.warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-tag.bonus_active {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

/* 倒计时看板 */
.timer-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.timer-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.timer-digits {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: 1px;
}

.timer-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
}

/* 信号源说明 */
.signal-box {
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--accent-blue);
  padding: 10px 12px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 16px;
}

.signal-meta {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 2px;
}

.signal-content {
  font-size: 13px;
  color: var(--text-main);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
}

.card-link {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
}

.card-link:hover {
  text-decoration: underline;
}

/* 速刷提示词库模块 */
.prompts-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--border-focus);
}

.prompts-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}

.prompt-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.prompt-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.prompt-badges {
  display: flex;
  gap: 6px;
}

.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.badge.cost {
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.3);
}

.prompt-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.prompt-code-wrap {
  position: relative;
  background: #06090e;
  border: 1px solid #1a2333;
  border-radius: 6px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: #e2e8f0;
  white-space: pre-wrap;
  word-break: break-all;
}

.btn-copy {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-copy:hover {
  background: var(--accent-blue);
  color: #fff;
}

/* 规则百科模块 */
.rules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.rule-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
}

.rule-box h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.tier-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
  font-size: 13px;
}

.tier-table th, .tier-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tier-table th {
  background: var(--bg-secondary);
  color: var(--text-dim);
  font-weight: 600;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 14px;
}

.faq-q {
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.faq-a {
  font-size: 13px;
  color: var(--text-muted);
}

/* 订阅与私域板块 */
.subscribe-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.sub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
}

.sub-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sub-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus {
  border-color: var(--border-focus);
}

.vip-card {
  background: linear-gradient(145deg, #131b2e, #1a2238);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vip-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #60a5fa;
  background: rgba(59, 130, 246, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 12px;
}

.vip-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.vip-card p {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 24px;
  line-height: 1.6;
}

/* 页脚 */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}

/* 消息提示框 */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  color: #fff;
  border: 1px solid var(--border-focus);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  font-weight: 600;
  z-index: 1000;
  display: none;
  animation: slideUp 0.3s ease;
}

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

/* 响应式调整 */
@media (max-width: 860px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .platforms-grid {
    grid-template-columns: 1fr;
  }
  .subscribe-layout {
    grid-template-columns: 1fr;
  }
}