/* ============================================
   黑料浑水财务狙击网 - 核心样式表
   华尔街金融 + 数据狙击 冷酷商业视觉
   ============================================ */

/* CSS变量定义 */
:root {
  --color-primary: #1E90FF;
  --color-danger: #FF3333;
  --color-success: #00C853;
  --color-bg-deep: #0F141E;
  --color-card: #1A2235;
  --color-text: #D1D5DB;
  --color-text-muted: #8B95A5;
  --color-border: #2A3548;
  --color-grid: rgba(30, 144, 255, 0.05);
  --font-mono: 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --radius: 6px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-deep);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 40px 40px;
}

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

a:hover {
  color: #4DA8FF;
  text-decoration: underline;
}

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

/* 容器 */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   导航栏 - 彭博终端风格
   ============================================ */
.nav-ticker-tape {
  background: #0A0E16;
  border-bottom: 1px solid var(--color-border);
  padding: 6px 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-scroll {
  display: inline-block;
  animation: tickerScroll 30s linear infinite;
  font-family: var(--font-mono);
  font-size: 12px;
}

.ticker-item {
  display: inline-block;
  margin-right: 40px;
}

.ticker-item .symbol {
  color: var(--color-primary);
  font-weight: bold;
}

.ticker-item .price-down {
  color: var(--color-danger);
}

.ticker-item .price-up {
  color: var(--color-success);
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.main-nav {
  background: rgba(15, 20, 30, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-links a {
  color: var(--color-text);
  font-size: 0.9rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(30, 144, 255, 0.1);
  text-decoration: none;
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   Hero区 - 狙击目标
   ============================================ */
.hero-sniper {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 2px solid var(--color-danger);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,20,30,0.9) 0%, rgba(15,20,30,0.6) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 60px 0;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding-left: 20px;
  padding-right: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 51, 51, 0.15);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-title .highlight-red {
  color: var(--color-danger);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: 30px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 30px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-danger);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ============================================
   红旗预警滚动条
   ============================================ */
.red-flag-bar {
  background: linear-gradient(90deg, rgba(255,51,51,0.1) 0%, rgba(15,20,30,1) 50%, rgba(255,51,51,0.1) 100%);
  border-top: 1px solid rgba(255,51,51,0.3);
  border-bottom: 1px solid rgba(255,51,51,0.3);
  padding: 12px 0;
  overflow: hidden;
}

.red-flag-scroll {
  display: flex;
  animation: scrollFlags 40s linear infinite;
  gap: 60px;
}

.flag-item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 0.9rem;
}

.flag-icon {
  color: var(--color-danger);
  font-size: 1.1rem;
}

.flag-company {
  color: var(--color-primary);
  font-weight: 600;
}

.flag-reason {
  color: var(--color-text-muted);
}

@keyframes scrollFlags {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   内容卡片 - 数据面板风格
   ============================================ */
.section-block {
  padding: 60px 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-more {
  font-size: 0.85rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.data-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.data-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-danger));
  opacity: 0;
  transition: var(--transition);
}

.data-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.tag-danger {
  background: rgba(255, 51, 51, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(255, 51, 51, 0.3);
}

.tag-warning {
  background: rgba(255, 165, 0, 0.15);
  color: #FFA500;
  border: 1px solid rgba(255, 165, 0, 0.3);
}

.tag-info {
  background: rgba(30, 144, 255, 0.15);
  color: var(--color-primary);
  border: 1px solid rgba(30, 144, 255, 0.3);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #FFFFFF;
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
}

/* ============================================
   拓扑图预览区
   ============================================ */
.topology-section {
  background: linear-gradient(180deg, var(--color-bg-deep) 0%, rgba(26, 34, 53, 0.5) 100%);
  padding: 60px 0;
}

.topology-preview {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.topology-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.topology-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px;
  background: linear-gradient(transparent, rgba(15, 20, 30, 0.95));
}

/* ============================================
   审计机构黑名单
   ============================================ */
.blacklist-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.blacklist-table th {
  background: rgba(30, 144, 255, 0.1);
  color: var(--color-primary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blacklist-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.blacklist-table tr:hover td {
  background: rgba(30, 144, 255, 0.05);
}

.risk-score {
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 0.85rem;
}

.risk-critical {
  background: rgba(255, 51, 51, 0.2);
  color: var(--color-danger);
}

.risk-high {
  background: rgba(255, 165, 0, 0.2);
  color: #FFA500;
}

/* ============================================
   风险自测工具
   ============================================ */
.quiz-panel {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px;
}

.quiz-question {
  margin-bottom: 24px;
  padding: 20px;
  background: rgba(15, 20, 30, 0.5);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
}

.quiz-question h4 {
  color: #FFFFFF;
  margin-bottom: 12px;
  font-size: 1rem;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(30, 144, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: rgba(30, 144, 255, 0.1);
}

/* ============================================
   暴跌倒计时面板
   ============================================ */
.countdown-panel {
  background: var(--color-card);
  border: 2px solid var(--color-danger);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.countdown-panel::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,51,51,0.05) 0%, transparent 70%);
  animation: rotateBg 10s linear infinite;
}

@keyframes rotateBg {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.countdown-title {
  font-size: 0.9rem;
  color: var(--color-danger);
  font-weight: 600;
  margin-bottom: 10px;
  position: relative;
}

.countdown-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-danger);
  position: relative;
  animation: numberFlicker 0.1s infinite alternate;
}

@keyframes numberFlicker {
  0% { opacity: 1; }
  100% { opacity: 0.9; }
}

.countdown-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  position: relative;
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: #0A0E16;
  border-top: 1px solid var(--color-border);
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 0.9rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb span {
  color: var(--color-text-muted);
  margin: 0 8px;
}

.breadcrumb .current {
  color: var(--color-primary);
}

/* ============================================
   内页布局
   ============================================ */
.page-header {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.page-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 700px;
}

.content-body {
  padding: 40px 0;
  min-height: 60vh;
}

.content-body h2 {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin: 30px 0 16px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}

.content-body h3 {
  font-size: 1.15rem;
  color: #FFFFFF;
  margin: 24px 0 12px;
}

.content-body p {
  margin-bottom: 16px;
  line-height: 1.8;
}

.content-body ul, .content-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.content-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

/* ============================================
   搜索页
   ============================================ */
.search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto 40px;
}

.search-input {
  width: 100%;
  padding: 16px 50px 16px 20px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  color: #FFFFFF;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px rgba(30, 144, 255, 0.2);
}

.search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-primary);
  border: none;
  color: #FFFFFF;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-results {
  list-style: none;
}

.search-result-item {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.search-result-item:hover {
  background: rgba(30, 144, 255, 0.05);
}

.search-result-item h3 {
  color: var(--color-primary);
  margin-bottom: 6px;
}

.search-result-item p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================
   404页面
   ============================================ */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 8rem;
  font-weight: 800;
  color: var(--color-danger);
  line-height: 1;
  text-shadow: 0 0 40px rgba(255, 51, 51, 0.3);
}

.error-msg {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin: 20px 0 30px;
}

/* ============================================
   按钮
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #4DA8FF;
  color: #FFFFFF;
  text-decoration: none;
}

.btn-danger {
  background: var(--color-danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background: #FF5555;
  color: #FFFFFF;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: rgba(30, 144, 255, 0.1);
  text-decoration: none;
}

/* ============================================
   数字翻滚动画
   ============================================ */
.number-roll {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  animation: rollNumber 0.5s ease-out;
}

@keyframes rollNumber {
  0% { transform: translateY(-20px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* 图表线条动态绘制 */
.chart-line-animate {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s ease-in-out forwards;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

/* ============================================
   APP下载页
   ============================================ */
.app-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 80px 0;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.app-feature-item {
  padding: 16px;
  background: var(--color-card);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.app-feature-item h4 {
  color: #FFFFFF;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.app-feature-item p {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.download-buttons {
  display: flex;
  gap: 16px;
  margin-top: 30px;
}

/* ============================================
   FAQ手风琴
   ============================================ */
.faq-list {
  max-width: 800px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 20px;
  background: var(--color-card);
  color: #FFFFFF;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(30, 144, 255, 0.1);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  padding: 16px 20px;
  max-height: 500px;
}

/* ============================================
   响应式断点
   ============================================ */
@media (max-width: 1024px) {
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  
  .app-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 20, 30, 0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-mobile-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .card-grid,
  .card-grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .app-features {
    grid-template-columns: 1fr;
  }
  
  .download-buttons {
    flex-direction: column;
  }
  
  .countdown-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .data-card {
    padding: 16px;
  }
  
  .blacklist-table {
    font-size: 0.8rem;
  }
  
  .blacklist-table th,
  .blacklist-table td {
    padding: 8px 10px;
  }
}

/* ============================================
   工具类
   ============================================ */
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: #FFFFFF; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.hidden { display: none; }