/* ==========================================================================
   龙猫云 TotoroCloud - 少女感粉白渐变主题与响应式样式表
   ========================================================================== */

:root {
  --primary-pink: #ff758c;
  --secondary-pink: #ff7eb3;
  --pastel-sakura: #ffb6c1;
  --soft-pink-bg: #fff0f5;
  --card-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 182, 193, 0.4);
  --text-dark: #4a3b42;
  --text-muted: #8c737e;
  --accent-gradient: linear-gradient(135deg, #ff758c 0%, #ff7eb3 50%, #ffa4b6 100%);
  --text-gradient: linear-gradient(135deg, #ff4e72 0%, #ff758c 40%, #ffb6c1 100%);
  --white-pink-gradient: linear-gradient(135deg, #ffffff 0%, #ffe4e8 50%, #ffb6c1 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 10px 30px rgba(255, 117, 140, 0.15);
  --shadow-hover: 0 15px 35px rgba(255, 117, 140, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, sans-serif;
}

body {
  background-color: #fff6f8;
  background-image: 
    radial-gradient(at 10% 10%, rgba(255, 214, 224, 0.5) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(255, 182, 193, 0.4) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(255, 240, 245, 0.8) 0px, transparent 100%);
  background-attachment: fixed;
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ==========================================================================
   背景龙猫 Logo 水印与动态 Canvas 层
   ========================================================================== */
.bg-logo-watermark {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 680px;
  max-width: 85vw;
  height: auto;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
  filter: drop-shadow(0 0 50px rgba(255, 117, 140, 0.5));
  animation: floatBackgroundLogo 10s ease-in-out infinite alternate;
}

@keyframes floatBackgroundLogo {
  0% {
    transform: translate(-50%, -50%) scale(1) rotate(0deg);
  }
  50% {
    transform: translate(-50%, -52%) scale(1.04) rotate(2deg);
  }
  100% {
    transform: translate(-50%, -48%) scale(0.98) rotate(-2deg);
  }
}

#sakura-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

#cursor-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* 粉白渐变标题文字 */
.pink-gradient-text {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 按钮基础 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(255, 117, 140, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(255, 117, 140, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-pink);
  border: 2px solid var(--pastel-sakura);
  box-shadow: 0 6px 20px rgba(255, 182, 193, 0.25);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--primary-pink);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(255, 117, 140, 0.3);
}

/* 头部 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 245, 248, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 182, 193, 0.3);
  padding: 12px 0;
}

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

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

.brand-logo img {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 4px 8px rgba(255, 117, 140, 0.2));
  transition: transform 0.3s ease;
}

.brand-logo:hover img {
  transform: rotate(-5deg) scale(1.05);
}

.brand-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ff4e72;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary-pink);
}

.nav-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Section 基础样式 */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2, 
.section-header h3, 
.section-header h4, 
.section-header h5, 
.section-header h6 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* ==========================================================================
   指令3: Hero 区域与 H1
   ========================================================================== */
.hero-section {
  padding: 100px 0 60px 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--pastel-sakura);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--primary-pink);
  font-weight: 600;
  margin-bottom: 24px;
  box-shadow: 0 4px 15px rgba(255, 182, 193, 0.2);
}

.hero-section h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0 auto 40px auto;
}

/* 实时数据刷新面板 */
.stats-counter-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-border);
  padding: 24px 40px;
  border-radius: var(--radius-lg);
  max-width: 750px;
  margin: 0 auto 40px auto;
  box-shadow: var(--shadow-soft);
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ff4e72;
  font-family: 'Inter', sans-serif;
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #2ea44f;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(46, 164, 79, 0.7);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 164, 79, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(46, 164, 79, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 164, 79, 0); }
}

.stat-divider {
  width: 1px;
  height: 45px;
  background: rgba(255, 182, 193, 0.4);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================================================
   指令4: H2 横向滑动文章卡片区 (少女感滑动，非传统滑块)
   ========================================================================== */
.article-slider-wrapper {
  position: relative;
}

.article-scroll-container {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 16px 8px 32px 8px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--pastel-sakura) rgba(255, 240, 245, 0.5);
}

.article-scroll-container::-webkit-scrollbar {
  height: 8px;
}

.article-scroll-container::-webkit-scrollbar-track {
  background: rgba(255, 240, 245, 0.6);
  border-radius: 10px;
}

.article-scroll-container::-webkit-scrollbar-thumb {
  background: var(--pastel-sakura);
  border-radius: 10px;
}

.article-card {
  min-width: 340px;
  max-width: 360px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-pink);
  box-shadow: var(--shadow-hover);
}

.article-tag {
  align-self: flex-start;
  padding: 4px 12px;
  background: rgba(255, 117, 140, 0.1);
  color: var(--primary-pink);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 12px;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

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

.article-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-pink);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.article-link:hover {
  gap: 10px;
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--pastel-sakura);
  color: var(--primary-pink);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 182, 193, 0.3);
  transition: all 0.2s ease;
}

.slider-btn:hover {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: transparent;
}

/* ==========================================================================
   指令5: H3 价格套餐区 (推荐套餐在上方，基础套餐在下方)
   ========================================================================== */
.featured-plan-wrapper {
  margin-bottom: 40px;
}

.featured-plan-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 240, 245, 0.95) 100%);
  border: 2.5px solid var(--primary-pink);
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  box-shadow: 0 15px 40px rgba(255, 117, 140, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  overflow: hidden;
}

.featured-ribbon {
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
  padding: 6px 40px;
  transform: rotate(45deg);
  box-shadow: 0 4px 10px rgba(255, 117, 140, 0.3);
}

.plan-info-left {
  flex: 1;
}

.plan-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.featured-plan-card h4 {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.featured-plan-card .price {
  font-size: 2.8rem;
  font-weight: 900;
  color: #ff4e72;
  font-family: 'Inter', sans-serif;
  margin-bottom: 20px;
}

.featured-plan-card .price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.plan-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  list-style: none;
}

.plan-features-grid li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
}

.plan-features-grid li i {
  color: var(--primary-pink);
  font-weight: bold;
}

/* 下方基础/普通套餐并排网格 */
.standard-plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.plan-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.plan-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-pink);
  box-shadow: var(--shadow-hover);
}

.plan-card h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.plan-card .price {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ff4e72;
  font-family: 'Inter', sans-serif;
  margin-bottom: 20px;
}

.plan-card .price span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
}

.plan-features li {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255, 182, 193, 0.3);
  font-size: 0.9rem;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   指令6: H4 实时用户评价与节点测速区
   ========================================================================== */
.reviews-speed-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.widget-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.widget-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dark);
}

/* 评价轮播 */
.review-slider-box {
  min-height: 220px;
  position: relative;
}

.review-item {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.review-item.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.user-info h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}

.stars {
  color: #ffb703;
  font-size: 0.9rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
}

/* 节点测速监控器 */
.speed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.speed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 245, 248, 0.7);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 182, 193, 0.3);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.node-flag {
  font-size: 1.2rem;
}

.node-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.speed-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ping-tag {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 12px;
}

.ping-tag.good { background: #e6f4ea; color: #137333; }
.ping-tag.fast { background: #e8f0fe; color: #1a73e8; }

.speed-value {
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: #ff4e72;
  font-size: 0.9rem;
  min-width: 70px;
  text-align: right;
}

/* ==========================================================================
   指令7: H5 常见问题 FAQ 并排展开
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s ease;
}

.faq-question {
  padding: 20px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-toggle-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 117, 140, 0.1);
  color: var(--primary-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
  background: var(--primary-pink);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 20px 20px 20px;
}

/* ==========================================================================
   指令8: H6 所有设备都将受到保护
   ========================================================================== */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.device-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}

.device-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-pink);
}

.device-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}

.device-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* ==========================================================================
   核心任务 2：页脚 PBN 友情链接区
   ========================================================================== */
.site-footer {
  background: rgba(255, 240, 245, 0.95);
  border-top: 1px solid rgba(255, 182, 193, 0.4);
  padding: 40px 0 24px 0;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  font-weight: 800;
  font-size: 1.2rem;
  color: #ff4e72;
}

/* 友情链接输血管道区 */
.pbn-links-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px dashed rgba(255, 182, 193, 0.4);
}

.pbn-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.pbn-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

.pbn-link:hover {
  color: var(--primary-pink);
  text-decoration: underline;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ==========================================================================
   文章页面通用样式 (articles/article-*.html)
   ========================================================================== */
.article-page-header {
  padding: 40px 0 20px 0;
}

.article-content-wrapper {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-soft);
  margin-bottom: 60px;
}

.article-content-wrapper h1 {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--text-dark);
  line-height: 1.3;
}

.article-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 182, 193, 0.3);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: #3d3036;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 32px 0 16px 0;
  color: var(--primary-pink);
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 24px 0 12px 0;
  color: var(--text-dark);
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

.article-cta-box {
  background: linear-gradient(135deg, #fff0f5 0%, #ffe4e8 100%);
  border: 2px dashed var(--primary-pink);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  margin: 32px 0;
}

.article-nav-links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 182, 193, 0.3);
}

/* ==========================================================================
   响应式调整 (Mobile Optimization)
   ========================================================================== */
@media (max-width: 992px) {
  .featured-plan-card {
    flex-direction: column;
    text-align: center;
    padding: 30px;
  }
  .plan-features-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }
  .reviews-speed-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .bg-logo-watermark {
    width: 400px;
    opacity: 0.07;
  }
}

@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.2rem;
  }
  .stats-counter-bar {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }
  .stat-divider {
    width: 80%;
    height: 1px;
  }
  .nav-links {
    display: none; /* 移动端精简 */
  }
  .article-content-wrapper {
    padding: 24px;
  }
  .bg-logo-watermark {
    width: 320px;
    opacity: 0.06;
  }
}