/* ===================================================================
   Kuromis (库洛米机场) - 官方极简 Glassmorphism 样式表
   域名: kuromisjc.lat
   =================================================================== */

:root {
  --bg-dark: #0b071a;
  --bg-deep: #130a2a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glass-hover: rgba(200, 140, 255, 0.35);
  --primary-purple: #9d4edd;
  --primary-light: #c77dff;
  --primary-glow: #e0aaff;
  --accent-pink: #f72585;
  --accent-cyan: #4cc9f0;
  --text-main: #f8f9fa;
  --text-sub: #b8b8d2;
  --text-muted: #7b7b99;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-pill: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 35px rgba(157, 78, 221, 0.35);
}

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

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

body {
  font-family: var(--font-family);
  background: radial-gradient(circle at 20% 15%, #230d4a 0%, #0e0722 50%, #070312 100%);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* 漂浮光斑与背景装饰 */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  will-change: transform;
}

.orb-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #7b2cbf 0%, rgba(123, 44, 191, 0) 70%);
  top: -100px;
  right: -100px;
}

.orb-2 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #f72585 0%, rgba(247, 37, 133, 0) 70%);
  bottom: 10%;
  left: -120px;
}

.orb-3 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3a0ca3 0%, rgba(58, 12, 163, 0) 70%);
  top: 45%;
  right: 15%;
}

.site-content {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 玻璃拟态基础卡片 */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glass);
  transition: var(--transition);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(157, 78, 221, 0.22);
}

/* 胶囊按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #7b2cbf 0%, #9d4edd 50%, #c77dff 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(157, 78, 221, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 28px rgba(157, 78, 221, 0.6);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--primary-light);
  transform: translateY(-3px);
  color: #ffffff;
}

.btn-sm {
  padding: 9px 20px;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* 导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(11, 7, 26, 0.75);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #ffffff;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #f72585 0%, #7209b7 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(247, 37, 133, 0.4);
}

.brand-icon svg {
  width: 22px;
  height: 22px;
  fill: #ffffff;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #e0aaff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-badge-hot {
  font-size: 0.7rem;
  background: linear-gradient(135deg, #f72585, #7209b7);
  color: #fff;
  padding: 2px 6px;
  border-radius: 6px;
  margin-left: 4px;
  font-weight: 600;
  vertical-align: middle;
}

/* Hero 主视觉区 */
.hero-section {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid rgba(199, 125, 255, 0.3);
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  color: var(--primary-glow);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -1px;
  margin-bottom: 22px;
  background: linear-gradient(135deg, #ffffff 0%, #e0aaff 40%, #c77dff 80%, #f72585 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-sub);
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.stat-item {
  padding: 20px 16px;
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #c77dff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 区块公用样式 */
.section {
  padding: 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 50px;
}

.section-tag {
  color: var(--primary-light);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* 核心优势卡片（3个图文卡片） */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(157, 78, 221, 0.25) 0%, rgba(247, 37, 133, 0.25) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon-box svg {
  width: 30px;
  height: 30px;
  stroke: var(--primary-glow);
  fill: none;
}

.feature-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 18px;
  flex-grow: 1;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-badge {
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--primary-glow);
}

/* 流媒体与AI支持卡片 */
.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.media-ai-card {
  padding: 40px;
}

.card-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.badge-round {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(255, 255, 255, 0.08);
}

.media-ai-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: #ffffff;
}

.media-ai-desc {
  font-size: 1rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 24px;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.service-chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
  transition: var(--transition);
}

.service-chip:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(199, 125, 255, 0.3);
}

.service-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

/* 套餐价格对比表 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.pricing-card {
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: var(--radius-md);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(157, 78, 221, 0.15) 0%, rgba(20, 10, 40, 0.7) 100%);
  border: 1.5px solid rgba(199, 125, 255, 0.5);
  box-shadow: 0 12px 40px rgba(157, 78, 221, 0.35);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-6px);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f72585 0%, #7209b7 100%);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(247, 37, 133, 0.5);
}

.plan-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 38px;
  margin-bottom: 18px;
}

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-light);
}

.price-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: #ffffff;
}

.price-period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-sub);
  margin-bottom: 12px;
}

.plan-features li svg {
  width: 16px;
  height: 16px;
  stroke: #10b981;
  fill: none;
  flex-shrink: 0;
}

/* 用户评价 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 28px 24px;
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7b2cbf 0%, #4cc9f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1.1rem;
}

.user-meta h4 {
  font-size: 0.98rem;
  color: #ffffff;
}

.user-meta span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stars {
  color: #fbbf24;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.65;
}

/* FAQ 问答 */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  padding: 24px 28px;
}

.faq-question {
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-q-badge {
  color: var(--primary-light);
  font-size: 1.2rem;
  font-weight: 900;
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  padding-left: 24px;
}

/* CTA 转化区 */
.cta-banner {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(123, 44, 191, 0.25) 0%, rgba(247, 37, 133, 0.15) 100%);
  border: 1px solid rgba(199, 125, 255, 0.3);
  border-radius: var(--radius-md);
  margin-bottom: 60px;
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 1.05rem;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto 30px;
}

/* 页脚：严格只保留 4 个页面链接 */
.site-footer {
  border-top: 1px solid var(--border-glass);
  background: rgba(7, 3, 18, 0.85);
  backdrop-filter: blur(16px);
  padding: 45px 0 35px;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  list-style: none;
  margin-bottom: 24px;
}

.footer-nav a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--primary-glow);
  text-shadow: 0 0 10px rgba(224, 170, 255, 0.5);
}

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

/* 文章列表 & 文章内页公用样式 */
.article-hub-header {
  padding: 60px 0 40px;
  text-align: center;
}

.articles-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.article-row-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.article-row-card:hover h2 {
  color: var(--primary-glow);
}

.article-meta {
  display: flex;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  transition: var(--transition);
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.65;
}

/* 单篇长文排版样式 */
.article-container {
  max-width: 860px;
  margin: 40px auto 80px;
}

.article-body {
  padding: 48px;
  line-height: 1.9;
  font-size: 1.05rem;
  color: #e2e8f0;
}

.article-body h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.35;
  background: linear-gradient(135deg, #ffffff 0%, #e0aaff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin: 36px 0 16px;
  border-left: 4px solid var(--primary-light);
  padding-left: 12px;
}

.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-glow);
  margin: 24px 0 12px;
}

.article-body p {
  margin-bottom: 18px;
  color: #d1d5db;
}

.article-body ul, .article-body ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
  color: #d1d5db;
}

.article-body strong {
  color: #ffffff;
  font-weight: 600;
}

.article-body a {
  color: var(--primary-glow);
  text-decoration: underline;
  transition: var(--transition);
}

.article-body a:hover {
  color: #ffffff;
}

.article-body blockquote {
  background: rgba(157, 78, 221, 0.1);
  border-left: 4px solid var(--primary-purple);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  font-style: italic;
  color: #e0aaff;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  overflow: hidden;
}

.article-body th, .article-body td {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  text-align: left;
}

.article-body th {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-weight: 600;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: #ffffff;
}

/* 响应式适配：移动端单栏与大触控区域 */
@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 0;
  }
  .nav-wrap {
    flex-wrap: wrap;
    gap: 14px;
  }
  .nav-links {
    width: 100%;
    order: 3;
    justify-content: space-around;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    gap: 12px;
  }
  .nav-links a {
    font-size: 0.88rem;
  }
  .hero-section {
    padding: 50px 0 40px;
  }
  .hero-title {
    font-size: 2.1rem;
    letter-spacing: -0.5px;
  }
  .hero-desc {
    font-size: 1rem;
    line-height: 1.65;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 14px;
  }
  .hero-actions .btn {
    width: 100%;
    min-height: 50px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .stat-item {
    padding: 14px 10px;
  }
  .stat-value {
    font-size: 1.5rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .media-ai-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .media-ai-card {
    padding: 24px;
  }
  .chip-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
  .btn {
    min-height: 48px;
  }
  .article-body {
    padding: 24px 18px;
  }
  .article-row-card {
    padding: 22px 18px;
  }
  .article-body h1 {
    font-size: 1.65rem;
  }
  .article-body table {
    display: block;
    overflow-x: auto;
  }
}