/* ============================================================
   龙猫云 Chinchilla Cloud - 核心样式表 (style.css)
   深色网络科技风 · 原创几何龙猫视觉 · 移动端优先 · 轻量原生
   ============================================================ */

:root {
  --bg-main: #0A100F;
  --bg-panel: #111B18;
  --bg-panel-elevated: #162420;
  --bg-code: #0E1614;
  --mint: #B7FF62;
  --silver: #C6CDD0;
  --cyan: #67D9CC;
  --title: #F5F8F4;
  --text: #B2BDB5;
  --text-muted: #829288;
  --border: #2A3B31;
  --border-subtle: rgba(42, 59, 49, 0.4);
  --border-focus: #B7FF62;
  --glow-mint: rgba(183, 255, 98, 0.16);
  --glow-cyan: rgba(103, 217, 204, 0.16);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container-max: 1200px;
  --transition: 0.22s ease-in-out;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

img, svg {
  max-width: 100%;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background-color: var(--bg-main);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(to right, rgba(42, 59, 49, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 59, 49, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  word-wrap: break-word;
}

/* 焦点可见性 */
:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* 通用容器与版心 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* 排版基础 */
h1, h2, h3, h4, h5, h6 {
  color: var(--title);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.85rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

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

a:hover {
  color: var(--mint);
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.35rem;
}

code {
  font-family: var(--font-mono);
  background-color: var(--bg-code);
  color: var(--mint);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.88em;
  border: 1px solid var(--border);
}

/* 按钮系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--mint);
  color: #0A100F;
  border: 1px solid var(--mint);
  box-shadow: 0 0 16px var(--glow-mint);
}

.btn-primary:hover {
  background-color: #c9ff88;
  border-color: #c9ff88;
  color: #0A100F;
  box-shadow: 0 0 24px rgba(183, 255, 98, 0.35);
}

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

.btn-outline:hover {
  background-color: rgba(183, 255, 98, 0.1);
  color: #c9ff88;
  border-color: #c9ff88;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* 标签 Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 999px;
  background-color: var(--bg-panel-elevated);
  border: 1px solid var(--border);
  color: var(--silver);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-mint {
  border-color: var(--mint);
  color: var(--mint);
  background-color: rgba(183, 255, 98, 0.08);
}

.badge-cyan {
  border-color: var(--cyan);
  color: var(--cyan);
  background-color: rgba(103, 217, 204, 0.08);
}

.badge-note {
  font-size: 0.72rem;
  padding: 2px 8px;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
}

/* 板块通用头部 */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem auto;
}

.section-header .badge {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* 板块通用内边距 */
.section {
  padding: 4.5rem 0;
  position: relative;
}

.section-alt {
  background-color: rgba(17, 27, 24, 0.45);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

/* ============================================================
   导航栏 Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 16, 15, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  height: 72px;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--title);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.brand-logo-link:hover {
  color: var(--mint);
}

.brand-icon-svg {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  max-width: 36px;
  max-height: 36px;
  display: block;
  flex-shrink: 0;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text-cn {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-text-en {
  font-size: 0.72rem;
  color: var(--silver);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* 导航链接 */
.site-nav {
  display: none; /* 移动端默认隐藏，通过媒体查询在桌面显示 */
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.25rem;
  padding: 0;
  margin: 0;
}

.nav-link {
  color: var(--silver);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--mint);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--mint);
}

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

/* 汉堡按钮 */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 8px;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 100%;
  height: 2px;
  background-color: var(--silver);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 2px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background-color: var(--mint);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background-color: var(--mint);
}

/* 移动端抽屉菜单 */
.mobile-drawer {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(10, 16, 15, 0.98);
  backdrop-filter: blur(12px);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 999;
  overflow-y: auto;
  border-bottom: 1px solid var(--border);
}

.mobile-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-nav-link {
  display: block;
  font-size: 1.15rem;
  color: var(--title);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background-color: var(--bg-panel);
  border-color: var(--border);
  color: var(--mint);
}

.mobile-drawer-cta {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ============================================================
   Hero 英雄区
   ============================================================ */
.hero-section {
  padding: 3.5rem 0 4.5rem 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge-wrap {
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--title);
}

.hero-title .title-highlight {
  display: block;
  color: var(--mint);
  font-size: 1.85rem;
  margin-top: 0.35rem;
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 1.5rem;
  line-height: 1.75;
  max-width: 580px;
}

.hero-tags-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 2rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.85rem;
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--silver);
}

.hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

/* Hero 右侧：龙猫网络控制台 */
.hero-console-wrap {
  position: relative;
  width: 100%;
}

.console-terminal {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  position: relative;
}

.console-header {
  background-color: #0E1614;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border);
}

.console-dot:nth-child(1) { background-color: #4A5D52; }
.console-dot:nth-child(2) { background-color: #384A40; }
.console-dot:nth-child(3) { background-color: #2A3B31; }

.console-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--silver);
  display: flex;
  align-items: center;
  gap: 6px;
}

.console-status-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.console-status-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--mint);
  animation: pulse-dot 2.5s infinite;
}

.console-body {
  padding: 20px;
  position: relative;
}

.console-svg-holder {
  width: 100%;
  height: auto;
  display: block;
}

/* 控制台下方状态面板 */
.console-footer-strip {
  border-top: 1px solid var(--border);
  background-color: #0E1614;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  font-size: 0.78rem;
}

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

.console-stat-label {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.console-stat-val {
  color: var(--silver);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* 示意说明微注 */
.schematic-disclaimer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ============================================================
   核心优势卡片
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--mint);
  box-shadow: 0 8px 24px var(--glow-mint);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--bg-panel-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--mint);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--title);
}

.feature-card p {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--silver);
  margin-bottom: 0.5rem;
}

.feature-list li::before {
  content: "›";
  color: var(--mint);
  font-weight: bold;
}

/* ============================================================
   全球网络与拓扑
   ============================================================ */
.network-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.network-map-panel {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
}

.network-svg-visual {
  width: 100%;
  height: auto;
  display: block;
}

.network-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.region-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.region-node-item {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.region-code-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 8px;
  background-color: #0E1614;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--mint);
}

.region-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--title);
}

.region-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.network-tips-box {
  background-color: var(--bg-panel-elevated);
  border-left: 3px solid var(--cyan);
  padding: 16px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9rem;
  color: var(--silver);
}

.network-tips-box h4 {
  color: var(--cyan);
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

/* ============================================================
   AI 与流媒体场景
   ============================================================ */
.scenarios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.scenario-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.scenario-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.scenario-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--bg-panel-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.scenario-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0;
  color: var(--title);
}

.scenario-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 1.25rem 0;
}

.scenario-service-pill {
  background-color: #0E1614;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
}

.scenario-service-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--title);
}

.scenario-service-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.scenario-notice-box {
  background-color: rgba(22, 36, 32, 0.7);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: auto;
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.6;
}

.scenario-notice-box strong {
  color: var(--mint);
}

/* ============================================================
   套餐定价 Pricing
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.pricing-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.is-featured {
  border-color: var(--mint);
  box-shadow: 0 0 28px var(--glow-mint);
  background-color: #13201C;
}

.pricing-featured-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background-color: var(--mint);
  color: #0A100F;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-name {
  font-size: 1.25rem;
  color: var(--title);
  margin-bottom: 0.5rem;
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.pricing-price-wrap {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-currency {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--mint);
}

.pricing-amount {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--title);
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-billing-cycle {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 2px;
}

.pricing-notice-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.pricing-specs-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  flex-grow: 1;
}

.pricing-specs-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(42, 59, 49, 0.4);
}

.pricing-specs-list li:last-child {
  border-bottom: none;
}

.pricing-specs-label {
  color: var(--silver);
}

.pricing-specs-value {
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 600;
}

.pricing-specs-value.highlight-mint {
  color: var(--mint);
}

.pricing-specs-value.highlight-cyan {
  color: var(--cyan);
}

.pricing-extra-notes {
  margin-top: 2rem;
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-extra-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.5;
}

/* ============================================================
   SEO 9篇文章卡片矩阵
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--mint);
}

.article-card-cover {
  width: 100%;
  height: 140px;
  background-color: #0E1614;
  border-bottom: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.article-cover-svg {
  width: 100%;
  height: 100%;
}

.article-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.75rem;
}

.article-title-link {
  color: var(--title);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-title-link:hover {
  color: var(--mint);
}

.article-excerpt {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(42, 59, 49, 0.4);
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.article-read-more:hover {
  color: #c9ff88;
}

/* ============================================================
   用户评价 Reviews
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.review-card {
  background-color: var(--bg-panel);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.review-sample-badge {
  position: absolute;
  top: 16px;
  right: 16px;
}

.review-author-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--bg-panel-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--silver);
  font-weight: bold;
}

.review-author-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--title);
}

.review-author-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.review-text {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 0;
  font-style: italic;
}

/* ============================================================
   常见问题 FAQ
   ============================================================ */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.faq-item[open] {
  border-color: var(--mint);
}

.faq-summary {
  padding: 18px 20px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--title);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-indicator {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: bold;
  transition: transform var(--transition);
}

.faq-item[open] .faq-indicator {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 20px 20px 20px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid rgba(42, 59, 49, 0.3);
  padding-top: 16px;
}

.faq-content p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   页脚 Footer
   ============================================================ */
.site-footer {
  background-color: #070B0A;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand-col {
  max-width: 380px;
}

.footer-brand-col p {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-top: 1rem;
}

.footer-col-title {
  color: var(--title);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-list li {
  margin-bottom: 0.65rem;
}

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

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

.partner-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.partner-links-list li {
  margin-bottom: 0.65rem;
}

.partner-links-list a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color var(--transition);
}

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

.footer-bottom-row {
  border-top: 1px solid rgba(42, 59, 49, 0.4);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  font-size: 0.82rem;
}

/* ============================================================
   文章详情页规范 (Article Detail Pages)
   ============================================================ */
.article-page-wrap {
  padding: 3rem 0 5rem 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.breadcrumbs a {
  color: var(--silver);
}

.breadcrumbs a:hover {
  color: var(--mint);
}

.breadcrumbs-separator {
  color: var(--border);
}

.article-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2rem;
}

.article-main-title {
  font-size: 2.3rem;
  line-height: 1.25;
  color: var(--title);
  margin-bottom: 1rem;
}

.article-info-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

.article-body-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.article-body h2 {
  font-size: 1.65rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  color: var(--title);
}

.article-body h3 {
  font-size: 1.28rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--title);
}

.article-body p {
  margin-bottom: 1.4rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.75rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  border-left: 3px solid var(--mint);
  background-color: var(--bg-panel);
  padding: 16px 20px;
  margin: 1.75rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--silver);
  font-style: normal;
}

.article-callout-box {
  background-color: var(--bg-panel-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 2rem 0;
}

.article-callout-box h4 {
  color: var(--mint);
  margin-bottom: 0.5rem;
}

.article-img-container {
  margin: 2rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--bg-panel);
}

.article-img-container svg {
  display: block;
  width: 100%;
  height: auto;
}

.article-img-caption {
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  background-color: #0E1614;
  border-top: 1px solid var(--border);
}

/* 侧边栏与关联文章推荐 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

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

.sidebar-widget-title {
  font-size: 1.1rem;
  color: var(--title);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.sidebar-links-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-links-list li {
  margin-bottom: 0.85rem;
}

.sidebar-links-list a {
  color: var(--silver);
  font-size: 0.92rem;
  line-height: 1.45;
  display: block;
}

.sidebar-links-list a:hover {
  color: var(--mint);
}

/* 页面内 FAQ (文章底部) */
.article-faq-section {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.article-faq-section h2 {
  margin-bottom: 1.5rem;
}

/* ============================================================
   轻量动画效果 (transform & opacity only)
   ============================================================ */
@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

@keyframes subtle-float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

.animate-float {
  animation: subtle-float 6s ease-in-out infinite;
}

/* 用户偏好减少动画降级 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   响应式媒体查询 (平板与桌面断点)
   ============================================================ */

/* 平板设备 (>= 768px) */
@media (min-width: 768px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2.15rem; }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

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

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

  .footer-top-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }

  .footer-bottom-row {
    flex-direction: row;
    justify-content: space-between;
  }

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

/* 桌面设备 (>= 1024px) */
@media (min-width: 1024px) {
  .site-nav {
    display: block;
  }

  .nav-toggle {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }

  .hero-title {
    font-size: 3.1rem;
  }

  .hero-title .title-highlight {
    font-size: 2.4rem;
  }

  .network-wrap {
    grid-template-columns: 1.15fr 0.85fr;
  }

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

  .article-body-container {
    grid-template-columns: 1fr 320px;
  }
}