/* ==========================================================================
   肥猫云机场 (FatCloud) 官方主题设计系统
   设计风格：暗黑赛博和风极客控制台 (Cyber Japanese Console Style)
   灵感参考：和風・制御盤 (深蓝黑基底、霓虹青蓝、和风朱红、典雅金黄)
   ========================================================================== */

:root {
  --bg-primary: #070b14;
  --bg-secondary: #0b1325;
  --bg-card: #0f1c35;
  --bg-card-hover: #152547;
  --bg-darker: #04070d;
  
  --accent-cyan: #00d2ff;
  --accent-cyan-glow: rgba(0, 210, 255, 0.4);
  --accent-red: #ff3366;
  --accent-red-dark: #b91c1c;
  --accent-gold: #f59e0b;
  --accent-green: #10b981;
  --accent-blue: #3b82f6;

  --border-color: #1a2a4d;
  --border-glow: rgba(0, 210, 255, 0.25);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, Monaco, "Courier New", monospace;

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-neon: 0 0 25px rgba(0, 210, 255, 0.25);
  --shadow-red: 0 0 25px rgba(255, 51, 102, 0.25);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 210, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(255, 51, 102, 0.04) 0%, transparent 45%),
    linear-gradient(rgba(7, 11, 20, 0.98), rgba(7, 11, 20, 0.98));
  min-height: 100vh;
}

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

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

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

/* 导航栏 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.brand-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-red), #e11d48);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(255, 51, 102, 0.5);
  color: #fff;
}

.brand-logo .logo-text {
  background: linear-gradient(90deg, #ffffff 40%, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-logo .logo-badge {
  font-size: 0.7rem;
  background: rgba(0, 210, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.4);
  padding: 2px 7px;
  border-radius: 99px;
  font-family: var(--font-mono);
  margin-left: 4px;
}

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

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 6px 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(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  transition: var(--transition);
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0284c7 30%, #00d2ff);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(0, 210, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 210, 255, 0.55);
  background: linear-gradient(135deg, #0369a1, #0284c7 40%, #38bdf8);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-danger {
  background: linear-gradient(135deg, #e11d48, #ff3366);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(255, 51, 102, 0.35);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(255, 51, 102, 0.5);
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

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

/* Hero Section */
.hero-section {
  padding: 85px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.3);
  border-radius: 99px;
  font-size: 0.85rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.hero-badge-wrap .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: pulseAnim 2s infinite;
}

@keyframes pulseAnim {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 15px var(--accent-cyan); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.22;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: linear-gradient(90deg, #00d2ff, #60a5fa 50%, #f43f5e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-features-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-item .num {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

.hero-stat-item .label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 控制台外观 (和風・制御盤 风格 - 还原图1) */
.console-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle), 0 0 35px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  position: relative;
}

.console-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-red) 20%, var(--accent-cyan) 80%);
}

.console-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: rgba(7, 11, 20, 0.7);
}

.console-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.torii-icon {
  color: var(--accent-red);
  display: flex;
  align-items: center;
}

.console-title-jp {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 2px;
}

.console-version {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  background: rgba(0, 210, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(0, 210, 255, 0.25);
}

.console-icons-group {
  display: flex;
  gap: 10px;
  color: var(--text-muted);
}

.console-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 280px;
}

.console-sidebar {
  border-right: 1px solid var(--border-color);
  background: rgba(7, 11, 20, 0.4);
  padding: 16px 0;
}

.console-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.console-menu-item:hover,
.console-menu-item.active {
  background: rgba(0, 210, 255, 0.08);
  color: #fff;
  border-left-color: var(--accent-cyan);
}

.console-menu-item.active {
  color: var(--accent-cyan);
}

.console-main {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: radial-gradient(circle at top right, rgba(0, 210, 255, 0.03), transparent 70%);
}

.node-status-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition);
}

.node-status-row:hover {
  border-color: rgba(0, 210, 255, 0.4);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.node-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.node-name {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}

.node-state-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}

.state-online {
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid rgba(0, 210, 255, 0.3);
}

.state-standby {
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.state-blocked {
  color: var(--accent-red);
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.3);
}

.node-progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
  position: relative;
}

.node-progress-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.8s ease;
}

.fill-cyan {
  background: linear-gradient(90deg, #0284c7, var(--accent-cyan));
  box-shadow: 0 0 10px var(--accent-cyan);
}

.fill-gold {
  background: linear-gradient(90deg, #d97706, var(--accent-gold));
  box-shadow: 0 0 10px var(--accent-gold);
}

.fill-red {
  background: linear-gradient(90deg, #b91c1c, var(--accent-red));
  box-shadow: 0 0 10px var(--accent-red);
}

.console-footer-strip {
  height: 6px;
  display: flex;
  width: 100%;
}

.strip-blue { flex: 1; background: #0284c7; }
.strip-red { flex: 1; background: var(--accent-red); }
.strip-gold { flex: 1; background: var(--accent-gold); }

/* 通用Section */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
  background: rgba(0, 210, 255, 0.1);
  padding: 4px 12px;
  border-radius: 99px;
  border: 1px solid rgba(0, 210, 255, 0.25);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 核心优势网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 210, 255, 0.45);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 210, 255, 0.15);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

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

/* 套餐卡片 (严格参考图2) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #111419;
  border: 1px solid #232a36;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: #00d2ff;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 210, 255, 0.2);
}

.pricing-card.featured {
  border-color: #0284c7;
  box-shadow: 0 8px 30px rgba(2, 132, 199, 0.3);
}

.pricing-header {
  background: #0284c7;
  padding: 24px 20px;
  text-align: center;
  color: #fff;
}

.pricing-price {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.pricing-price .currency {
  font-size: 1.25rem;
  margin-right: 4px;
}

.pricing-price .period {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.85;
  margin-left: 4px;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 6px;
  letter-spacing: 0.5px;
}

.pricing-body {
  padding: 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.pricing-feature-item .spec-icon {
  color: #38bdf8;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pricing-cta {
  width: 100%;
}

.pricing-cta .btn {
  width: 100%;
  padding: 12px 0;
  border-radius: 99px;
  font-size: 1rem;
  background: #0284c7;
  color: #fff;
  border: none;
}

.pricing-cta .btn:hover {
  background: #0ea5e9;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.4);
}

/* 50个FAQ区域 (折叠面板 + 搜索过滤) */
.faq-filter-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto 36px;
}

.faq-search-box {
  width: 100%;
  padding: 14px 20px 14px 46px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
  position: relative;
}

.faq-search-box:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.25);
}

.faq-search-wrapper {
  position: relative;
}

.faq-search-wrapper .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.faq-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition);
}

.faq-tab-btn:hover,
.faq-tab-btn.active {
  background: rgba(0, 210, 255, 0.15);
  border-color: var(--accent-cyan);
  color: #fff;
}

.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 960px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: rgba(0, 210, 255, 0.3);
}

.faq-item.active {
  border-color: var(--accent-cyan);
}

.faq-question {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.02rem;
  color: #fff;
  user-select: none;
}

.faq-question .q-num {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  margin-right: 10px;
  font-size: 0.9rem;
}

.faq-question .toggle-icon {
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question .toggle-icon {
  transform: rotate(180deg);
  color: var(--accent-cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 22px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 0 22px 20px;
  transition: max-height 0.4s ease-in-out;
}

/* 知识库教程与客户端下载 */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.client-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.client-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.client-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.client-icon {
  font-size: 2rem;
  color: var(--accent-cyan);
}

.client-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.client-support {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.client-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

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

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: var(--transition);
}

.review-card:hover {
  border-color: rgba(0, 210, 255, 0.4);
}

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

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
}

.user-meta-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.user-meta-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-stars {
  color: #fbbf24;
  font-size: 0.9rem;
}

.review-content {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 12篇文章展示卡片 */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 210, 255, 0.15);
}

.article-thumb {
  height: 160px;
  background: linear-gradient(135deg, #0b1730, #16264c);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.article-thumb-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 210, 255, 0.15);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--accent-cyan);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

.article-thumb-icon {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.85);
  filter: drop-shadow(0 0 15px rgba(0, 210, 255, 0.4));
}

.article-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 10px;
}

.article-card-title a:hover {
  color: var(--accent-cyan);
}

.article-card-snippet {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.article-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: 0.82rem;
  color: var(--text-muted);
}

.article-read-link {
  color: var(--accent-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-read-link:hover {
  text-decoration: underline;
}

/* 文章详情页专属样式 */
.article-detail-wrap {
  padding: 60px 0 90px;
}

.article-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

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

.article-breadcrumbs a:hover {
  color: var(--accent-cyan);
}

.article-main-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 28px;
  margin-bottom: 36px;
}

.article-h1 {
  font-size: 2.3rem;
  line-height: 1.3;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.article-meta-bar .badge-cat {
  background: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid rgba(0, 210, 255, 0.25);
}

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

.article-content {
  font-size: 1.02rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.55rem;
  color: #fff;
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--accent-cyan);
}

.article-content h3 {
  font-size: 1.25rem;
  color: #f1f5f9;
  margin: 24px 0 12px;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content ul, 
.article-content ol {
  margin: 0 0 20px 24px;
  color: #cbd5e1;
}

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

.article-content a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: #38bdf8;
}

.article-content blockquote {
  background: rgba(0, 210, 255, 0.05);
  border-left: 4px solid var(--accent-cyan);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: italic;
  color: #e2e8f0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.92rem;
}

.article-content th,
.article-content td {
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.article-content th {
  background: rgba(0, 210, 255, 0.08);
  color: #fff;
  font-weight: 600;
}

.article-content pre {
  background: #090e1a;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  margin: 24px 0;
  color: #38bdf8;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.15), rgba(255, 51, 102, 0.1));
  border: 1px solid rgba(0, 210, 255, 0.4);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  margin: 40px 0;
}

.article-cta-box h3 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 10px;
  border: none;
  padding: 0;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.widget-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.related-posts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.related-post-item a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.45;
  display: block;
}

.related-post-item a:hover {
  color: var(--accent-cyan);
}

/* 底部 Footer */
.footer {
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-about p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 14px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-list a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 响应式适配 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tutorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-features-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid,
  .pricing-grid,
  .reviews-grid,
  .articles-grid,
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .console-body {
    grid-template-columns: 1fr;
  }
  .console-sidebar {
    display: flex;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
}