/* ==========================================================================
   仙路湾机场 - 中国古风主题样式表 (XianLuWan Cloud Expressway)
   ========================================================================== */

:root {
  --bg-primary: #0a0e14;
  --bg-secondary: #101620;
  --bg-tertiary: #161e2b;
  --bg-card: rgba(18, 25, 37, 0.78);
  --bg-card-hover: rgba(26, 36, 52, 0.9);
  --border-color: rgba(212, 175, 55, 0.22);
  --border-glow: rgba(212, 175, 55, 0.45);
  --text-main: #e6ebf2;
  --text-muted: #95a3b8;
  --text-dim: #64748b;
  --gold-primary: #e5c05b;
  --gold-deep: #c59b27;
  --gold-light: #fef08a;
  --cyan-primary: #38b2ac;
  --cyan-deep: #1d4ed8;
  --jade-green: #34d399;
  --red-accent: #f87171;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", "STSong", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-gold: 0 0 25px rgba(212, 175, 55, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(56, 178, 172, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(212, 175, 55, 0.05) 0%, transparent 45%),
    linear-gradient(180deg, #070a0e 0%, #0c1219 50%, #080c10 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* 动态背景画布 */
#zenCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

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

/* 通用容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 古风祥云修饰 */
.cloud-ornament {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold-primary);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.cloud-ornament::before,
.cloud-ornament::after {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-primary));
}
.cloud-ornament::after {
  background: linear-gradient(90deg, var(--gold-primary), transparent);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, #d4af37 0%, #b8860b 50%, #996515 100%);
  color: #0d1117;
  border: 1px solid #ffd700;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
  font-family: var(--font-serif);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.55);
  color: #000;
  border-color: #fff;
}

.btn-secondary {
  background: rgba(18, 25, 37, 0.85);
  color: var(--gold-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.12);
  border-color: var(--gold-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-pulse {
  animation: pulseGlow 2.5s infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.35);
  }
  50% {
    box-shadow: 0 0 28px rgba(212, 175, 55, 0.7);
  }
}

/* 顶部公告条 */
.top-notice-bar {
  background: linear-gradient(90deg, #131c26 0%, #1f2a3a 50%, #131c26 100%);
  border-bottom: 1px solid rgba(212, 175, 55, 0.25);
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--gold-primary);
  text-align: center;
  position: relative;
  z-index: 101;
}
.top-notice-bar .badge {
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--gold-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-right: 8px;
  color: #fff;
}
.top-notice-bar a {
  color: #fff;
  text-decoration: underline;
  margin-left: 8px;
  font-weight: 600;
}

/* 顶部导航栏 */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  transition: var(--transition);
}
.header-nav.scrolled {
  background: rgba(8, 12, 17, 0.96);
  border-bottom-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: radial-gradient(circle, #e5c05b 0%, #996515 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0a0e14;
  font-weight: 900;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  box-shadow: 0 0 16px rgba(229, 192, 91, 0.5);
  border: 2px solid #ffd700;
}
.brand-text h1 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 2px;
  color: #fff;
  background: linear-gradient(135deg, #fff 30%, #e5c05b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-text p {
  font-size: 0.72rem;
  color: var(--gold-primary);
  letter-spacing: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gold-primary);
  transition: var(--transition);
  transform: translateX(-50%);
}
.nav-links a:hover {
  color: var(--gold-primary);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  color: var(--gold-primary);
  font-size: 1.4rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* 英雄区 (Hero) */
.hero-section {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
}

.hero-badge-wrap {
  margin-bottom: 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(229, 192, 91, 0.08);
  border: 1px solid rgba(229, 192, 91, 0.3);
  padding: 6px 20px;
  border-radius: 30px;
  font-size: 0.88rem;
  color: var(--gold-primary);
  backdrop-filter: blur(8px);
}
.hero-badge .sparkle {
  color: #ffd700;
  animation: spin 6s linear infinite;
}

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

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 2px;
  margin-bottom: 24px;
  color: #fff;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}
.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffd700 0%, #e5c05b 40%, #ffffff 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 38px;
  line-height: 1.8;
}
.hero-subtitle strong {
  color: #fff;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 54px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.92rem;
}
.meta-item i {
  color: var(--gold-primary);
  font-size: 1.1rem;
}

/* 板块通用头部 */
.section-header {
  text-align: center;
  margin-bottom: 54px;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  margin-top: 10px;
  margin-bottom: 12px;
}
.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 660px;
  margin: 0 auto;
}

/* 节点延迟和状态板块 */
.nodes-section {
  padding: 80px 0;
  position: relative;
}

.nodes-monitor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}

.nodes-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}
.monitor-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.live-dot {
  width: 10px;
  height: 10px;
  background-color: var(--jade-green);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--jade-green);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.monitor-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.monitor-stats span strong {
  color: var(--gold-primary);
  font-weight: 600;
}

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.node-item {
  background: rgba(13, 19, 28, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.node-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.node-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold-primary);
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.node-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.node-flag {
  font-size: 1.25rem;
}
.node-status-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(52, 211, 153, 0.15);
  color: var(--jade-green);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.node-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.ping-val {
  font-weight: 700;
  font-family: monospace;
}
.ping-fast {
  color: var(--jade-green);
}
.ping-mid {
  color: var(--gold-primary);
}

.node-protocol {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed rgba(255, 255, 255, 0.07);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.node-tag {
  background: rgba(229, 192, 91, 0.1);
  color: var(--gold-primary);
  padding: 2px 6px;
  border-radius: 4px;
}

/* 核心优势板块 */
.features-section {
  padding: 80px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.12);
}
.feature-icon-box {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(229, 192, 91, 0.15) 0%, rgba(229, 192, 91, 0.03) 100%);
  border: 1px solid rgba(229, 192, 91, 0.35);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--gold-primary);
  margin-bottom: 22px;
}
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 套餐价格板块 */
.pricing-section {
  padding: 80px 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
  backdrop-filter: blur(12px);
}
.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-gold);
}

.pricing-card.featured {
  border: 2px solid var(--gold-primary);
  background: linear-gradient(180deg, rgba(26, 36, 52, 0.85) 0%, rgba(16, 22, 32, 0.95) 100%);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.22);
  transform: scale(1.03);
}
.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  right: 28px;
  background: linear-gradient(135deg, #ffd700, #b8860b);
  color: #0b0f14;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
}

.pricing-header {
  margin-bottom: 24px;
  text-align: center;
}
.plan-level {
  font-family: var(--font-serif);
  color: var(--gold-primary);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.plan-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
}
.price-currency {
  font-size: 1.5rem;
  color: var(--gold-primary);
  font-weight: 700;
}
.price-amount {
  font-size: 3.4rem;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-serif);
}
.price-cycle {
  font-size: 0.95rem;
  color: var(--text-dim);
}
.plan-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 24px;
  flex-grow: 1;
}
.plan-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 14px;
}
.plan-features li i {
  color: var(--jade-green);
  font-size: 1rem;
}
.plan-features li.dim {
  color: var(--text-dim);
}

.pricing-action {
  margin-top: 10px;
}
.pricing-action .btn {
  width: 100%;
}

/* 常见问题板块 (FAQ) */
.faq-section {
  padding: 80px 0;
  position: relative;
}

.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--gold-primary);
}
.faq-icon {
  font-size: 1.2rem;
  color: var(--gold-primary);
  transition: transform 0.3s ease;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  background: rgba(10, 14, 20, 0.4);
}
.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.8;
}

.faq-item.active {
  border-color: var(--gold-primary);
  background: rgba(22, 30, 43, 0.85);
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

/* 知识库与教程板块 */
.tutorials-section {
  padding: 80px 0;
  position: relative;
}

.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.tutorial-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.15);
}

.tutorial-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.tut-badge {
  background: rgba(56, 178, 172, 0.12);
  color: var(--cyan-primary);
  border: 1px solid rgba(56, 178, 172, 0.3);
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 1px;
}
.tut-reading-time {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.tutorial-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 14px;
  transition: var(--transition);
}
.tutorial-card:hover h3 {
  color: var(--gold-primary);
}

.tutorial-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tutorial-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 14px;
  font-size: 0.88rem;
  color: var(--gold-primary);
  font-weight: 600;
}

/* 用户评价板块 */
.reviews-section {
  padding: 80px 0;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: var(--transition);
}
.review-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
}

.review-stars {
  color: #ffd700;
  margin-bottom: 16px;
  font-size: 0.95rem;
  letter-spacing: 3px;
}
.review-content {
  font-size: 0.95rem;
  color: var(--text-main);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
}
.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1f2a3a, #0a0e14);
  border: 1px solid var(--gold-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--gold-primary);
}
.reviewer-info h4 {
  font-size: 0.95rem;
  color: #fff;
}
.reviewer-info p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* 召唤行道行动条 (CTA Banner) */
.cta-banner-section {
  padding: 70px 0;
}
.cta-box {
  background: linear-gradient(135deg, rgba(30, 42, 60, 0.9) 0%, rgba(13, 19, 28, 0.95) 100%);
  border: 2px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}
.cta-box h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: #fff;
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
}

/* 页脚 */
.site-footer {
  background: #06090d;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  padding: 60px 0 30px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  margin-top: 14px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}
.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--gold-primary);
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--gold-primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   文章详情页独立样式 (Article Details Page)
   ========================================================================== */
.article-page {
  padding: 50px 0 90px;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 30px;
}
.breadcrumb-nav a {
  color: var(--gold-primary);
  text-decoration: none;
}
.breadcrumb-nav a:hover {
  text-decoration: underline;
}

.article-main-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.article-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(12px);
}
.article-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 26px;
  margin-bottom: 34px;
}
.article-title {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 18px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.86rem;
  color: var(--text-dim);
  flex-wrap: wrap;
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: #d1d5db;
}
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: #fff;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}
.article-body h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--gold-primary);
  margin: 28px 0 12px;
}
.article-body p {
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  margin: 18px 0 24px 24px;
}
.article-body li {
  margin-bottom: 10px;
}
.article-body blockquote {
  border-left: 4px solid var(--gold-primary);
  background: rgba(229, 192, 91, 0.06);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  color: #e2e8f0;
  font-style: italic;
}
.article-body .table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.article-body th, .article-body td {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
}
.article-body th {
  background: rgba(229, 192, 91, 0.12);
  color: var(--gold-primary);
  font-weight: 600;
}
.article-body tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.article-callout-box {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(13, 19, 28, 0.8) 100%);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 32px 0;
  text-align: center;
}
.article-callout-box h4 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 10px;
}

/* 侧边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(10px);
}
.widget-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.widget-links {
  list-style: none;
}
.widget-links li {
  margin-bottom: 12px;
}
.widget-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: block;
  transition: var(--transition);
}
.widget-links a:hover {
  color: var(--gold-primary);
  transform: translateX(4px);
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.6rem;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .article-main-wrap {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .nav-cta .btn-secondary {
    display: none;
  }
  .article-content-card {
    padding: 24px 18px;
  }
  .article-title {
    font-size: 1.7rem;
  }
}