/* 杏吧官网 - xing-ba.sbs 全局样式 */
:root {
  --bg-primary: #0d0d12;
  --bg-secondary: #16161f;
  --bg-card: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --accent-purple: #9b59f5;
  --accent-pink: #e84393;
  --accent-gradient: linear-gradient(135deg, #9b59f5 0%, #e84393 100%);
  --border-color: #2a2a3a;
  --header-height: 64px;
  --max-width: 1200px;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
}

a {
  color: var(--accent-purple);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-pink);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 13, 18, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-link img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo-link:hover {
  color: var(--text-primary);
}

.main-nav {
  display: flex;
  gap: 8px;
  list-style: none;
}

.main-nav a {
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* Hero */
.hero {
  padding: 60px 0 40px;
  background: linear-gradient(180deg, rgba(155, 89, 245, 0.08) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: 10px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(155, 89, 245, 0.4);
}

.hero-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.hero-image img {
  width: 100%;
}

/* Sections */
.section {
  padding: 50px 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-purple);
}

.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Content Block with Image */
.content-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
}

.content-block.reverse {
  direction: rtl;
}

.content-block.reverse > * {
  direction: ltr;
}

.content-block img {
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.content-block h3 {
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--accent-purple);
}

.content-block p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.content-block ul {
  color: var(--text-secondary);
  padding-left: 20px;
  margin-top: 12px;
}

.content-block li {
  margin-bottom: 6px;
}

/* Category Tags */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.tag {
  padding: 6px 16px;
  background: rgba(155, 89, 245, 0.15);
  border: 1px solid rgba(155, 89, 245, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--accent-purple);
}

/* Image Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 9/16;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--accent-pink);
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Article / Legal Pages */
.page-hero {
  padding: 48px 0 32px;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.page-hero .breadcrumb {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.page-hero .breadcrumb a {
  color: var(--text-secondary);
}

.page-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.page-content h2 {
  font-size: 1.35rem;
  margin: 32px 0 14px;
  color: var(--accent-purple);
}

.page-content h3 {
  font-size: 1.1rem;
  margin: 24px 0 10px;
}

.page-content p,
.page-content li {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

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

.page-content ul li,
.page-content ol li {
  margin-bottom: 8px;
}

/* Error Pages */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.error-code {
  font-size: 6rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-page h1 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.error-page p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand img {
  width: 40px;
  border-radius: 8px;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--text-primary);
}

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

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-pink);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* TOC for homepage */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 30px 0;
}

.toc h3 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--accent-purple);
}

.toc ol {
  padding-left: 20px;
  color: var(--text-secondary);
}

.toc li {
  margin-bottom: 6px;
}

.toc a {
  color: var(--text-secondary);
}

.toc a:hover {
  color: var(--accent-pink);
}

/* Article text on homepage */
.article-body {
  max-width: 860px;
  margin: 0 auto;
}

.article-body h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-primary);
}

.article-body h3 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
  color: var(--accent-purple);
}

.article-body p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-align: justify;
}

.article-body ul {
  color: var(--text-secondary);
  padding-left: 22px;
  margin-bottom: 16px;
}

.article-body li {
  margin-bottom: 8px;
}

.highlight-box {
  background: rgba(155, 89, 245, 0.1);
  border-left: 4px solid var(--accent-purple);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
}

.highlight-box p {
  margin-bottom: 0;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .hero-grid,
  .content-block,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .content-block.reverse {
    direction: ltr;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px 16px;
  }

  .hero {
    padding: 40px 0 30px;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section {
    padding: 36px 0;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.4rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
}