/* CSS变量定义 */
:root {
  --main-color: #7b5cff;
  --sub-color: #00c6ff;
  --highlight-color: #ff5f1f;
  --text-main: #111827;
  --text-sub: #6b7280;
  --bg-main: #ffffff;
  --bg-sub: #f8fafc;
  --surface-color: #ffffff;
  --line-color: #e5e7eb;
  --round-size: 16px;
  --shadow-sm: 0 8px 30px rgba(0,0,0,.06);
  --shadow-lg: 0 18px 60px rgba(17,24,39,.12);
}

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

html, body { 
  height: 100%; 
}

body {
  margin: 0;
  padding-top: 64px;
  font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color: var(--text-main);
  background: radial-gradient(1200px 500px at 15% -10%, rgba(123,92,255,.20), transparent),
              radial-gradient(1200px 500px at 85% -10%, rgba(0,198,255,.20), transparent),
              linear-gradient(180deg, #fbfdff 0%, #f7faff 60%, #ffffff 100%);
}

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

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

.visually-hidden { 
  position: absolute; 
  left: -9999px; 
  top: auto; 
  width: 1px; 
  height: 1px; 
  overflow: hidden; 
}

.visually-hidden:focus { 
  left: 16px; 
  top: 16px; 
  width: auto; 
  height: auto; 
  background: #fff; 
  padding: 8px 12px; 
  border-radius: 8px; 
  box-shadow: 0 4px 16px rgba(0,0,0,.08); 
}

.content-box { 
  width: min(1300px, 94%); 
  margin: 0 auto; 
}

.title-header {
  text-align: center;
}

.title-text { 
  font-size: 2.5vw; 
  margin: 0 0 0.875vw; 
  letter-spacing: .2px; 
  font-weight: 600; 
}

.emphasize { 
  color: #d84315; 
  font-size: 1.2em; 
  font-weight: 800; 
}

.intro-text { 
  color: var(--text-sub); 
  margin: 0 0 2vw; 
  font-size: 1.2vw; 
  line-height: 1.6; 
}

/* 导航栏 */
.header-nav { 
  position: fixed; 
  top: 0; 
  left: 0; 
  right: 0; 
  z-index: 50; 
  background: rgba(255,255,255,0.6); 
  backdrop-filter: blur(12px); 
  border-bottom: 1px solid var(--line-color); 
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.header-nav.nav-hidden {
  transform: translateY(-100%);
}

.nav-inner-box { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  height: 64px; 
  width: min(1300px, 94%);
  margin: 0 auto;
}

.logo-box { 
  display: inline-flex; 
  align-items: center; 
}

.logo-anchor { 
  color: var(--text-main); 
  font-weight: 600; 
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-color);
  background: #fff;
  border-radius: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  transition: all 0.3s ease;
}

.mobile-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-items-list { 
  display: flex; 
  gap: 20px; 
  list-style: none; 
  margin: 0; 
  padding: 0; 
}

.nav-items-list li { 
  position: relative; 
}

.nav-items-list a { 
  color: var(--text-main); 
  padding: 0.75vw 1vw;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.nav-items-list a:hover {
  background-color: rgba(123, 92, 255, 0.1);
}

.download-cta { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  padding: 1.2vw 2.5vw; 
  min-height: 44px;
  min-width: 44px;
  border-radius: 999px; 
  border: none;
  background: linear-gradient(135deg, #ff6b35, #ff8c42); 
  color: #fff; 
  font-weight: 600; 
  letter-spacing: .2px; 
  font-size: 1.2vw; 
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
  position: relative;
  overflow: hidden;
}

.download-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.download-cta:hover::before {
  left: 100%;
}

.download-cta:hover { 
  transform: translateY(-3px) scale(1.05); 
  box-shadow: 0 12px 48px rgba(255, 107, 53, 0.6);
  background: linear-gradient(135deg, #ff5722, #ff7043);
}

.btn-main-download { 
  background: linear-gradient(135deg, #ff6b35, #ff8c42); 
  color: #fff; 
  border: none; 
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
  font-size: 1.4vw;
  padding: 1.5vw 3vw;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  min-height: 44px;
  min-width: 44px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.btn-main-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.btn-main-download:hover::before {
  left: 100%;
}

.btn-main-download:hover { 
  transform: translateY(-3px) scale(1.05); 
  box-shadow: 0 12px 48px rgba(255, 107, 53, 0.6);
  background: linear-gradient(135deg, #ff5722, #ff7043);
}

.btn-feature-explore { 
  background: rgba(255,255,255,0.9); 
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,107,53,0.3);
  color: #ff6b35;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2vw 2.5vw;
  min-height: 44px;
  min-width: 44px;
  border-radius: 999px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-feature-explore:hover { 
  background: rgba(255,107,53,0.1); 
  border-color: #ff6b35;
  transform: translateY(-2px); 
  box-shadow: 0 8px 25px rgba(255,107,53,0.2); 
}

.item-link, .text-link { 
  color: #ff6b35; 
  font-weight: 600; 
  text-decoration: underline;
  text-decoration-color: rgba(255, 107, 53, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
  padding: 0.5vw 0.75vw;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.item-link:hover, .text-link:hover {
  color: #ff5722;
  text-decoration-color: #ff5722;
}

/* 欢迎区域 */
.welcome-area { 
  padding: 7.5vw 0 4.375vw; 
  position: relative; 
  overflow: hidden; 
}

.welcome-area::before, .welcome-area::after { 
  content: ""; 
  position: absolute; 
  border-radius: 50%; 
  filter: blur(4.375vw); 
  opacity: .35; 
}

.welcome-area::before { 
  width: 34.375vw; 
  height: 34.375vw; 
  left: -8.125vw; 
  top: -10vw; 
  background: radial-gradient(closest-side, var(--main-color), transparent); 
}

.welcome-area::after { 
  width: 34.375vw; 
  height: 34.375vw; 
  right: -8.125vw; 
  top: -11.25vw; 
  background: radial-gradient(closest-side, var(--sub-color), transparent); 
}

.welcome-box { 
  display: flex; 
  flex-direction: row;
  gap: 3.5vw; 
  align-items: center; 
  width: min(1300px, 94%);
  margin: 0 auto;
}

.welcome-text-box {
  flex: 1.05;
}

.welcome-image-box {
  flex: 1;
}

.welcome-title { 
  font-size: 3vw; 
  margin: 0 0 1.125vw; 
  line-height: 1.1; 
  font-weight: 700; 
}

.welcome-desc { 
  color: var(--text-sub); 
  margin: 0 0 1.75vw; 
  font-size: 1.4vw; 
  line-height: 1.5; 
}

.button-row { 
  display: flex; 
  gap: 2vw; 
  justify-content: center; 
  margin-top: 2vw; 
  align-items: center; 
}

.welcome-preview { 
  filter: drop-shadow(0 28px 90px rgba(0,0,0,.15)); 
}

/* 主题展示区 */
.theme-area {
  padding: 6.25vw 0;
}

.theme-slider-box { 
  margin: 0 calc(-50vw + 50%); 
  border-radius: var(--round-size); 
  overflow: hidden; 
  box-shadow: var(--shadow-sm); 
  position: relative; 
  height: 320px;
  width: 100vw;
  max-width: none;
}

.theme-slider-track { 
  display: flex; 
  animation: slider-move 20s linear infinite; 
  white-space: nowrap;
  height: 100%;
}

.theme-slider-track:hover { 
  animation-play-state: paused; 
}

.slider-image { 
  flex-shrink: 0; 
  width: 1920px;
  height: 320px; 
  margin-right: 32px; 
  border-radius: 12px; 
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,.1);
  object-fit: cover;
}

@keyframes slider-move {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* AI展示区 */
.ai-area {
  padding: 6.25vw 0;
}

.ai-area + .sync-area {
  border-top: 1px solid var(--line-color);
  background: linear-gradient(180deg, rgba(17,24,39,.02), rgba(17,24,39,0));
}

.ai-demo-box { 
  display: flex; 
  flex-direction: column; 
  gap: 0; 
  margin: 0 -1.25vw; 
  border-radius: var(--round-size); 
  overflow: hidden; 
  box-shadow: 0 4px 12px rgba(0,0,0,.08); 
}

.demo-image { 
  width: 100% !important; 
  height: auto !important; 
  max-width: 80vw !important; 
  max-height: calc(80vw * 591 / 1202) !important;
  display: block; 
  margin: 0 auto;
  object-fit: contain;
}

/* 同步展示区 */
.sync-area {
  padding: 6.25vw 0;
}

.sync-image {
  width: 100vw !important;
  height: auto !important;
  max-width: 100vw !important;
  max-height: calc(100vw * 625.25 / 1920) !important;
  display: block;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  object-fit: contain;
}

/* 表情展示区 */
.emoji-area {
  padding: 6.25vw 0;
}

.emoji-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2vw;
  margin: 2vw -2vw 0;
  padding: 0 2vw;
}

.emoji-item {
  flex: 1;
  max-width: 20vw;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.emoji-item:hover {
  transform: scale(1.1);
}

/* 功能卡片 */
.feature-area {
  padding: 6.25vw 0;
}

.feature-row { 
  display: flex; 
  flex-direction: row;
  gap: 1.75vw; 
}

.feature-item { 
  flex: 1;
  padding: 1.75vw; 
  border: 1px solid var(--line-color); 
  border-radius: 1.125vw; 
  background: linear-gradient(180deg, #ffffff, #f9fbff); 
  box-shadow: var(--shadow-sm); 
}

.item-title { 
  margin: 0 0 0.625vw; 
  font-size: 1.6vw; 
  font-weight: 600; 
}

.item-desc { 
  margin: 0 0 0.875vw; 
  color: var(--text-sub); 
  font-size: 1vw; 
  line-height: 1.5; 
}

/* 下载CTA */
.cta-area { 
  padding: 6.25vw 0;
  background: radial-gradient(700px 180px at 50% 0%, rgba(123,92,255,.12), transparent); 
}

.cta-area .title-text { 
  font-size: 2.2vw; 
  margin-bottom: 1.125vw; 
  font-weight: 600; 
}

/* 页脚 */
.footer-area { 
  border-top: 1px solid var(--line-color); 
  background: #f8f9fa; 
}

.footer-inner { 
  width: min(1300px, 94%);
  margin: 0 auto;
  padding: 3vw 0 1.5vw; 
}

.footer-grid { 
  display: flex; 
  flex-direction: row;
  gap: 2vw; 
  margin-bottom: 2vw; 
}

.footer-col {
  flex: 1;
}

.col-heading { 
  font-size: 1.1vw; 
  font-weight: 600; 
  margin: 0 0 1vw; 
  color: var(--text-main); 
}

.col-links { 
  display: flex; 
  flex-direction: column; 
  gap: 0.5vw; 
  list-style: none;
}

.col-links a { 
  color: #4b5563; 
  text-decoration: underline; 
  text-decoration-color: rgba(75, 85, 99, 0.3);
  text-underline-offset: 3px;
  font-size: 0.9vw; 
  transition: color 0.2s ease, text-decoration-color 0.2s ease; 
  padding: 0.5vw 0.75vw;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.col-links a:hover { 
  color: var(--main-color); 
  text-decoration-color: var(--main-color);
}

.footer-bottom { 
  border-top: 1px solid var(--line-color); 
  padding: 2vw 0; 
  text-align: center; 
}

.footer-links { 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  gap: 0; 
  margin-bottom: 1.5vw; 
  flex-wrap: wrap; 
}

.footer-links a { 
  color: var(--text-main); 
  text-decoration: underline; 
  text-decoration-color: rgba(17, 24, 39, 0.3);
  text-underline-offset: 3px;
  font-weight: 500; 
  font-size: 0.9vw; 
  transition: color 0.3s ease, text-decoration-color 0.3s ease; 
  padding: 0.75vw 1.25vw; 
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px; 
}

.footer-links a:hover { 
  color: var(--main-color); 
  background: rgba(123, 92, 255, 0.1); 
}

.link-sep { 
  color: var(--line-color); 
  font-size: 0.7vw; 
  margin: 0 0.5vw; 
}

.footer-text { 
  color: var(--text-sub); 
  font-size: 0.8vw; 
  margin: 0; 
  line-height: 1.5; 
}

.footer-text a { 
  color: #5b3fd9; 
  text-decoration: underline; 
  text-decoration-color: rgba(91, 63, 217, 0.4);
  text-underline-offset: 2px;
  transition: color 0.3s ease, text-decoration-color 0.3s ease; 
}

.footer-text a:hover { 
  color: #4a2fc7; 
  text-decoration-color: #4a2fc7; 
}

/* 响应式设计 */
@media (max-width: 960px) {
  .welcome-box { 
    flex-direction: column; 
    text-align: center; 
  }
  
  .button-row { 
    justify-content: center; 
    gap: 3vw; 
    margin-top: 3vw; 
  }
  
  .feature-row { 
    flex-direction: column; 
  }
  
  .welcome-title { 
    font-size: max(44px, 8vw); 
  }
  
  .title-text { 
    font-size: max(32px, 5vw); 
  }
  
  .emphasize { 
    font-size: 1.3em; 
  }
  
  .intro-text { 
    font-size: max(16px, 2.5vw); 
  }
  
  .btn-main-download, .btn-feature-explore { 
    font-size: max(16px, 2.8vw); 
    padding: max(14px, 2vw) max(24px, 3vw); 
  }
  
  .btn-main-download { 
    font-size: max(18px, 3.2vw); 
    padding: max(16px, 2.5vw) max(28px, 3.5vw);
    font-weight: 700;
  }
  
  .item-title { 
    font-size: max(18px, 3vw); 
  }
  
  .item-desc { 
    font-size: max(14px, 2vw); 
  }
  
  .cta-area .title-text { 
    font-size: max(28px, 4vw); 
  }
  
  .theme-slider-box { 
    margin: 0 -1vw; 
  }
  
  .ai-demo-box { 
    margin: 0 -1vw; 
  }
  
  .demo-image { 
    max-width: 85vw; 
    max-height: calc(85vw * 591 / 1202); 
  }
  
  .sync-image { 
    width: 100vw !important; 
    margin-left: calc(50% - 50vw); 
    margin-right: calc(50% - 50vw); 
    max-height: calc(100vw * 625.25 / 1920); 
  }
  
  .emoji-grid {
    flex-direction: row;
    gap: 1vw;
    margin: 2vw -1vw 0;
    padding: 0 1vw;
  }
  
  .emoji-item {
    max-width: 22vw;
  }
  
  .footer-grid { 
    flex-wrap: wrap;
    flex-direction: row;
  }
  
  .footer-col {
    flex: 0 0 calc(50% - 1vw);
  }
  
  .col-heading { 
    font-size: max(16px, 3vw); 
  }
  
  .col-links a { 
    font-size: max(14px, 2.5vw); 
  }
  
  .footer-links { 
    flex-wrap: wrap; 
    justify-content: center; 
  }
  
  .footer-links a { 
    font-size: max(14px, 2.5vw); 
  }
  
  .footer-text { 
    font-size: max(12px, 2vw); 
  }
  
  .mobile-toggle { 
    display: flex; 
  }
  
  .nav-items-list { 
    position: fixed; 
    top: 64px;
    left: 0;
    right: 0;
    height: calc(100vh - 64px); 
    background: rgba(255,255,255,.98); 
    transform: translateY(-4%); 
    opacity: 0; 
    pointer-events: none; 
    transition: opacity .2s ease; 
    flex-direction: column;
    padding: 1.25vw;
    gap: 0.75vw;
  }
  
  .mobile-toggle[aria-expanded="true"] ~ .nav-items-list {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 1280px) {
  .theme-area, .feature-area, .ai-area, .sync-area, .emoji-area { 
    padding: 5.5vw 0; 
  }
}

@media (max-width: 1024px) {
  .title-text { 
    font-size: 32px; 
  }
}

@media (max-width: 768px) {
  .feature-row { 
    flex-direction: column; 
  }
}

@media (max-width: 480px) {
  .btn-main-download, .btn-feature-explore { 
    padding: 12px 16px; 
  }
}

/* 专题页面样式 */
.bread-nav {
  background: #f8f9fa;
  padding: 1vw 0;
  border-bottom: 1px solid var(--line-color);
}

.bread-list {
  display: flex;
  gap: 0.5vw;
  list-style: none;
  margin: 0;
  padding: 0;
}

.bread-item:not(:last-child)::after {
  content: ">";
  margin: 0 0.5vw;
  color: var(--text-sub);
}

.bread-item a {
  color: var(--main-color);
  text-decoration: none;
}

.bread-item a:hover {
  text-decoration: underline;
}

.page-title-area {
  padding: 4vw 0;
  background: linear-gradient(135deg, #f8f9fa, #ffffff);
}

.title-content {
  text-align: center;
}

.page-title {
  font-size: 3vw;
  margin: 0 0 1vw;
  font-weight: 700;
}

.page-subtitle {
  font-size: 1.8vw;
  margin: 0 0 1.5vw;
  color: var(--text-sub);
  font-weight: 400;
}

.page-intro {
  font-size: 1.3vw;
  color: var(--text-sub);
  margin: 0 0 2vw;
  line-height: 1.6;
}

.stats-row {
  display: flex;
  flex-direction: row;
  gap: 2vw;
  margin-top: 3vw;
  justify-content: center;
}

.stat-box {
  text-align: center;
  padding: 1.5vw;
  background: rgba(255,255,255,0.8);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  flex: 1;
  max-width: 250px;
}

.stat-value {
  font-size: 2.5vw;
  font-weight: 700;
  color: #ff6b35;
  margin-bottom: 0.5vw;
}

.stat-name {
  font-size: 0.9vw;
  color: var(--text-sub);
  font-weight: 500;
}

.articles-area {
  padding: 4vw 0;
}

.articles-list {
  display: flex;
  flex-direction: column;
  gap: 2vw;
}

.post-card {
  background: #fff;
  border-radius: 16px;
  padding: 2.5vw;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  border: 1px solid var(--line-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #ff6b35, #ff8c42);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.post-card:hover::before {
  transform: scaleX(1);
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.15);
}

.post-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1vw;
}

.post-cat {
  background: linear-gradient(135deg, #ff6b35, #ff8c42);
  color: #fff;
  padding: 0.3vw 0.8vw;
  border-radius: 20px;
  font-size: 0.7vw;
  font-weight: 600;
}

.post-date {
  color: var(--text-sub);
  font-size: 0.8vw;
  font-weight: 500;
}

.post-title {
  font-size: 1.4vw;
  margin: 0 0 1vw;
  line-height: 1.3;
}

.post-title a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-title a:hover {
  color: #ff6b35;
}

.post-excerpt {
  color: var(--text-sub);
  margin: 0 0 1.5vw;
  line-height: 1.6;
  font-size: 0.95vw;
}

.post-tags {
  display: flex;
  gap: 0.5vw;
  flex-wrap: wrap;
  margin-bottom: 1.5vw;
}

.tag-item {
  background: rgba(255,107,53,0.1);
  color: #ff6b35;
  padding: 0.3vw 0.8vw;
  border-radius: 15px;
  font-size: 0.7vw;
  font-weight: 500;
  transition: all 0.2s ease;
}

.tag-item:hover {
  background: rgba(255,107,53,0.2);
  transform: translateY(-1px);
}

.post-footer {
  border-top: 1px solid #f0f0f0;
  padding-top: 1vw;
}

.read-link {
  color: #ff6b35;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9vw;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.3vw;
}

.read-link:hover {
  color: #ff5722;
  transform: translateX(4px);
}

/* 专题页面响应式 */
@media (max-width: 960px) {
  .page-title {
    font-size: max(28px, 5vw);
  }
  
  .page-subtitle {
    font-size: max(18px, 3.5vw);
  }
  
  .page-intro {
    font-size: max(16px, 2.5vw);
  }
  
  .stats-row {
    flex-wrap: wrap;
    grid-template-columns: repeat(2, 1fr);
    gap: 2vw;
  }
  
  .stat-box {
    flex: 0 0 calc(50% - 1vw);
    padding: 2.5vw;
  }
  
  .stat-value {
    font-size: max(24px, 4vw);
  }
  
  .stat-name {
    font-size: max(12px, 2.2vw);
  }
  
  .post-card {
    padding: 4vw;
  }
  
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 1vw;
  }
  
  .post-cat {
    font-size: max(11px, 2vw);
    padding: 0.5vw 1vw;
  }
  
  .post-date {
    font-size: max(12px, 2.2vw);
  }
  
  .post-title {
    font-size: max(18px, 3.2vw);
  }
  
  .post-excerpt {
    font-size: max(14px, 2.2vw);
  }
  
  .tag-item {
    font-size: max(11px, 1.8vw);
    padding: 0.5vw 1vw;
  }
  
  .read-link {
    font-size: max(14px, 2.2vw);
  }
}

/* 文章内容页面样式 */
.post-content-area {
  padding: 4vw 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  min-height: 100vh;
}

.post-content-area .content-box {
  max-width: 900px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  padding: 4vw;
  margin: 2vw auto;
}

.post-header {
  text-align: center;
  margin-bottom: 4vw;
  padding-bottom: 3vw;
  border-bottom: 3px solid #f0f0f0;
  position: relative;
}

.post-header::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #ff6b35, #ff8c42);
  border-radius: 2px;
}

.post-info {
  display: flex;
  justify-content: center;
  gap: 2vw;
  margin-bottom: 2vw;
  flex-wrap: wrap;
}

.info-cat {
  background: linear-gradient(135deg, #ff6b35, #ff8c42);
  color: #fff;
  padding: 0.6vw 1.5vw;
  border-radius: 25px;
  font-size: 0.8vw;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(255,107,53,0.3);
  transition: all 0.3s ease;
}

.info-cat:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.4);
}

.info-date, .info-time {
  color: var(--text-sub);
  font-size: 0.8vw;
  font-weight: 500;
  background: rgba(255,107,53,0.1);
  padding: 0.4vw 1vw;
  border-radius: 15px;
}

.post-heading {
  font-size: 2.2vw;
  margin: 0 0 1.2vw;
  line-height: 1.3;
  color: var(--text-main);
  font-weight: 700;
  background: linear-gradient(135deg, #2c3e50, #34495e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.post-intro {
  font-size: 1vw;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
  font-style: italic;
  background: rgba(255,107,53,0.05);
  padding: 1.2vw;
  border-radius: 10px;
  border-left: 3px solid #ff6b35;
}

.post-body {
  line-height: 1.8;
  color: var(--text-main);
  font-size: 1.05vw;
}

.section-heading {
  font-size: 1.6vw;
  margin: 3vw 0 1.5vw;
  color: var(--text-main);
  font-weight: 700;
  position: relative;
  padding-left: 1.2vw;
}

.section-heading::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 30px;
  background: linear-gradient(135deg, #ff6b35, #ff8c42);
  border-radius: 3px;
}

.subsection-heading {
  font-size: 1.3vw;
  margin: 2.5vw 0 1.2vw;
  color: #2c3e50;
  font-weight: 600;
  position: relative;
  padding-left: 0.8vw;
}

.subsection-heading::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: #ff6b35;
  font-size: 0.8em;
}

.body-text {
  font-size: 0.95vw;
  margin: 0 0 1.5vw;
  text-align: justify;
  text-indent: 2em;
}

.text-list, .ordered-list {
  margin: 0 0 2vw;
  padding-left: 2.5vw;
  background: rgba(255,107,53,0.03);
  padding: 1.5vw 2.5vw;
  border-radius: 8px;
  border-left: 3px solid rgba(255,107,53,0.2);
}

.text-list {
  list-style: none;
}

.ordered-list {
  list-style: decimal;
}

.list-item, .order-item {
  font-size: 1.05vw;
  margin: 0.8vw 0;
  line-height: 1.7;
  position: relative;
}

.text-list .list-item::before {
  content: '●';
  color: #ff6b35;
  font-weight: bold;
  position: absolute;
  left: -1.5vw;
}

.body-text strong {
  color: #ff6b35;
  font-weight: 700;
  background: rgba(255,107,53,0.1);
  padding: 0.1vw 0.3vw;
  border-radius: 4px;
}

.post-footer-area {
  margin-top: 5vw;
  padding-top: 3vw;
  border-top: 2px solid #f0f0f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2vw;
  background: rgba(255,107,53,0.02);
  padding: 3vw;
  border-radius: 12px;
}

.post-actions {
  display: flex;
  gap: 1.5vw;
  width: 100%;
  justify-content: center;
}

.back-link, .download-link {
  padding: 0.8vw 2vw;
  font-size: 0.9vw;
  border-radius: 25px;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.back-link {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255,107,53,0.3);
  color: #ff6b35;
  font-weight: 600;
}

.back-link:hover {
  background: rgba(255,107,53,0.1);
  border-color: #ff6b35;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255,107,53,0.2);
}

.download-link {
  background: linear-gradient(135deg, #ff6b35, #ff8c42);
  color: #fff;
  border: none;
  box-shadow: 0 8px 32px rgba(255, 107, 53, 0.4);
  font-weight: 700;
}

.download-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 48px rgba(255, 107, 53, 0.6);
  background: linear-gradient(135deg, #ff5722, #ff7043);
}

/* 文章页面响应式 */
@media (max-width: 960px) {
  .post-content-area .content-box {
    max-width: 100%;
    padding: 3vw;
    margin: 1vw auto;
    border-radius: 15px;
  }
  
  .post-info {
    flex-direction: column;
    gap: 1.5vw;
  }
  
  .info-cat {
    font-size: max(12px, 2.2vw);
    padding: 1vw 2vw;
    border-radius: 20px;
  }
  
  .info-date, .info-time {
    font-size: max(12px, 2.2vw);
    padding: 0.8vw 1.5vw;
    border-radius: 12px;
  }
  
  .post-heading {
    font-size: max(20px, 3.8vw);
    line-height: 1.2;
  }
  
  .post-intro {
    font-size: max(14px, 2.4vw);
    padding: 1.5vw;
    border-radius: 8px;
  }
  
  .section-heading {
    font-size: max(18px, 3.2vw);
    margin: 3vw 0 1.5vw;
    padding-left: 1.5vw;
  }
  
  .section-heading::before {
    width: 4px;
    height: 20px;
  }
  
  .subsection-heading {
    font-size: max(16px, 2.8vw);
    margin: 2.5vw 0 1.2vw;
    padding-left: 1.2vw;
  }
  
  .subsection-heading::before {
    font-size: 0.7em;
  }
  
  .body-text {
    font-size: max(14px, 2.2vw);
    text-indent: 1.5em;
  }
  
  .text-list, .ordered-list {
    padding: 2vw 3vw;
    border-radius: 6px;
  }
  
  .list-item, .order-item {
    font-size: max(16px, 2.5vw);
    margin: 1vw 0;
  }
  
  .text-list .list-item::before {
    left: -2vw;
  }
  
  .body-text strong {
    padding: 0.2vw 0.5vw;
    border-radius: 3px;
  }
  
  .post-footer-area {
    flex-direction: column;
    text-align: center;
    padding: 2.5vw;
    border-radius: 10px;
  }
  
  .post-actions {
    flex-direction: column;
    gap: 2vw;
    width: 100%;
  }
  
  .back-link, .download-link {
    padding: 1.2vw 3vw;
    font-size: max(14px, 2.2vw);
    border-radius: 20px;
  }
}