/* ============================================
   集芳阁 - 中国古典园林与盆景艺术鉴赏平台
   主样式文件 jf-main.css
   CSS/ID前缀: jf-
   设计风格: 苏州园林古典风
   主色调: 青瓦灰(#667380) 辅助色: 园林绿(#5A8B73) 窗棂白(#F7F7F7)
   ============================================ */

/* === CSS Reset & Base (Mobile-First) === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Inter,sans-serif;color:#333;background-color:#F7F7F7;line-height:1.8;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:"Source Han Serif SC","Noto Serif SC","SimSun","STSong",serif;font-weight:700;line-height:1.4;color:#2c2c2c}
img{max-width:100%;height:auto;display:block}
a{color:#5A8B73;text-decoration:none;transition:color .3s ease}
a:hover{color:#667380}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none}

/* === 宣纸纹理背景 === */
.jf-paper-bg{
  background-color:#F7F7F7;
  background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='60' height='60' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
}

/* === 全局导航 === */
.jf-header{
  background:rgba(247,247,247,.92);
  border-bottom:1px solid #5A8B73;
  padding:12px 16px;
  z-index:100;
  position:relative;
}
.jf-nav-container{
  max-width:1440px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.jf-logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
}
.jf-logo-img{
  width:48px;
  height:48px;
  border-radius:4px;
}
.jf-logo-text{
  font-family:"Source Han Serif SC","Noto Serif SC","SimSun",serif;
  font-size:1.2rem;
  color:#667380;
  font-weight:700;
  letter-spacing:2px;
}
.jf-nav-main{
  display:none;
  width:100%;
  flex-direction:column;
  gap:0;
  padding-top:12px;
}
.jf-nav-main.jf-nav-open{
  display:flex;
}
.jf-nav-link{
  display:block;
  padding:10px 0;
  color:#333;
  font-size:.95rem;
  letter-spacing:1px;
  border-bottom:1px solid rgba(90,139,115,.15);
  transition:color .3s ease,background .3s ease;
}
.jf-nav-link:hover{
  color:#5A8B73;
  background:rgba(90,139,115,.05);
}
.jf-nav-right{
  display:none;
  width:100%;
  flex-direction:column;
  gap:8px;
  padding-top:8px;
}
.jf-nav-main.jf-nav-open ~ .jf-nav-right{
  display:flex;
}
.jf-search-box{
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid #d0d0c8;
  border-radius:20px;
  padding:6px 14px;
  width:100%;
}
.jf-search-input{
  flex:1;
  background:transparent;
  color:#333;
  font-size:.9rem;
}
.jf-search-input::placeholder{color:#999}
.jf-search-btn{
  background:none;
  cursor:pointer;
  color:#667380;
  font-size:1rem;
}
.jf-login-btn{
  display:inline-block;
  padding:6px 20px;
  background:#667380;
  color:#F7F7F7;
  border-radius:20px;
  font-size:.85rem;
  cursor:pointer;
  transition:background .3s;
  text-align:center;
}
.jf-login-btn:hover{background:#5A8B73;color:#fff}

/* 汉堡菜单按钮 */
.jf-hamburger{
  display:flex;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:4px;
}
.jf-hamburger-line{
  width:24px;
  height:2px;
  background:#667380;
  border-radius:2px;
  transition:transform .3s,opacity .3s;
}

/* === Hero Banner 四时之景轮播 === */
.jf-hero{
  position:relative;
  width:100%;
  height:90vh;
  min-height:400px;
  overflow:hidden;
}
.jf-hero-slide{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  opacity:0;
  transition:opacity 1.2s ease;
  background-size:cover;
  background-position:center;
}
.jf-hero-slide.jf-active{opacity:1}
.jf-hero-overlay{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.45) 100%);
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:20px;
}
.jf-hero-title{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1.8rem;
  color:#fff;
  text-shadow:0 2px 8px rgba(0,0,0,.5);
  margin-bottom:12px;
  letter-spacing:3px;
}
.jf-hero-subtitle{
  font-size:1rem;
  color:rgba(255,255,255,.9);
  text-shadow:0 1px 4px rgba(0,0,0,.4);
  margin-bottom:24px;
  max-width:600px;
}
.jf-hero-btn{
  display:inline-block;
  padding:12px 36px;
  border:1px solid rgba(255,255,255,.7);
  color:#fff;
  font-size:.95rem;
  letter-spacing:4px;
  transition:all .3s;
  background:rgba(90,139,115,.3);
  backdrop-filter:blur(4px);
}
.jf-hero-btn:hover{
  background:rgba(90,139,115,.6);
  color:#fff;
  border-color:#fff;
}
.jf-hero-dots{
  position:absolute;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:10px;
  z-index:10;
}
.jf-hero-dot{
  width:10px;height:10px;
  border-radius:50%;
  background:rgba(255,255,255,.4);
  cursor:pointer;
  transition:background .3s;
}
.jf-hero-dot.jf-active{background:#fff}

/* === 通用段落容器 === */
.jf-section{
  padding:48px 16px;
  max-width:1200px;
  margin:0 auto;
}
.jf-section-title{
  font-size:1.6rem;
  text-align:center;
  color:#2c2c2c;
  margin-bottom:8px;
  letter-spacing:3px;
}
.jf-section-divider{
  width:60px;
  height:2px;
  background:#5A8B73;
  margin:0 auto 32px;
}
.jf-section-desc{
  text-align:center;
  color:#666;
  max-width:700px;
  margin:0 auto 32px;
  font-size:.95rem;
}

/* === 名园赏析 视频区 === */
.jf-video-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.jf-video-card{
  position:relative;
  border-radius:12px;
  overflow:hidden;
  cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.1);
  transition:transform .3s,box-shadow .3s;
}
.jf-video-card:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 24px rgba(0,0,0,.15);
}
.jf-video-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.jf-video-frame{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  border:8px solid rgba(247,247,247,.3);
  border-radius:12px;
  pointer-events:none;
}
.jf-play-icon{
  position:absolute;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  width:56px;height:56px;
  background:rgba(90,139,115,.8);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .3s;
}
.jf-play-icon::after{
  content:"";
  display:block;
  width:0;height:0;
  border-style:solid;
  border-width:10px 0 10px 18px;
  border-color:transparent transparent transparent #fff;
  margin-left:3px;
}
.jf-video-card:hover .jf-play-icon{background:rgba(90,139,115,1)}
.jf-video-name{
  position:absolute;
  bottom:0;left:0;right:0;
  padding:12px 16px;
  background:linear-gradient(transparent,rgba(0,0,0,.7));
  color:#fff;
  font-size:.9rem;
  letter-spacing:1px;
}

/* 视频模态框 */
.jf-modal{
  display:none;
  position:fixed;
  top:0;left:0;
  width:100%;height:100%;
  background:rgba(0,0,0,.85);
  z-index:1000;
  justify-content:center;
  align-items:center;
}
.jf-modal.jf-modal-open{display:flex}
.jf-modal-content{
  position:relative;
  width:90%;
  max-width:900px;
}
.jf-modal-close{
  position:absolute;
  top:-40px;right:0;
  color:#fff;
  font-size:2rem;
  cursor:pointer;
  line-height:1;
  transition:color .3s;
}
.jf-modal-close:hover{color:#5A8B73}
.jf-video-player{
  width:100%;
  border-radius:8px;
  background:#000;
}

/* === 盆景春秋图谱 横向滚动 === */
.jf-scroll-wrapper{
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  padding:0 16px 16px;
  scrollbar-width:thin;
  scrollbar-color:#5A8B73 #e8e8e0;
}
.jf-scroll-track{
  display:flex;
  gap:20px;
  width:max-content;
  padding:8px 0;
}
.jf-penjing-card{
  flex-shrink:0;
  width:260px;
  background:#fff;
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 2px 12px rgba(0,0,0,.08);
  transition:transform .3s;
}
.jf-penjing-card:hover{transform:translateY(-4px)}
.jf-penjing-img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.jf-penjing-info{padding:12px 16px}
.jf-penjing-name{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1rem;
  color:#2c2c2c;
  margin-bottom:4px;
}
.jf-penjing-meta{font-size:.8rem;color:#888;margin-bottom:6px}
.jf-penjing-desc{font-size:.85rem;color:#555;line-height:1.6}

/* === 园林史话 古籍版式 === */
.jf-history-section{
  background:#f0ebe0;
  padding:48px 16px;
}
.jf-history-card{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:24px;
  background:#fff;
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 2px 16px rgba(0,0,0,.06);
}
.jf-history-img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.jf-history-text{
  padding:24px;
}
.jf-history-text h3{
  font-size:1.2rem;
  margin-bottom:12px;
  color:#2c2c2c;
}
.jf-history-text p{
  font-size:.95rem;
  color:#555;
  line-height:1.9;
  text-indent:2em;
}
.jf-history-link{
  display:inline-block;
  margin-top:12px;
  color:#5A8B73;
  font-size:.9rem;
  border-bottom:1px solid #5A8B73;
}

/* === 造园心法 卡片 === */
.jf-technique-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.jf-technique-card{
  background:#fff;
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 2px 12px rgba(0,0,0,.08);
  transition:transform .3s;
}
.jf-technique-card:hover{transform:translateY(-4px)}
.jf-technique-img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
}
.jf-technique-body{padding:16px}
.jf-technique-name{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1.1rem;
  color:#2c2c2c;
  margin-bottom:8px;
}
.jf-technique-desc{font-size:.9rem;color:#555;line-height:1.7}

/* === 历代名家 时间轴 === */
.jf-timeline{
  position:relative;
  padding-left:32px;
}
.jf-timeline::before{
  content:"";
  position:absolute;
  left:12px;top:0;bottom:0;
  width:2px;
  background:#5A8B73;
}
.jf-timeline-item{
  position:relative;
  margin-bottom:32px;
  cursor:pointer;
}
.jf-timeline-dot{
  position:absolute;
  left:-26px;top:4px;
  width:14px;height:14px;
  border-radius:50%;
  background:#5A8B73;
  border:3px solid #F7F7F7;
  z-index:1;
}
.jf-timeline-header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:8px;
}
.jf-master-avatar{
  width:56px;height:56px;
  border-radius:50%;
  object-fit:cover;
  border:2px solid #5A8B73;
}
.jf-master-name{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1.1rem;
  color:#2c2c2c;
}
.jf-master-era{font-size:.8rem;color:#888}
.jf-master-bio{
  font-size:.9rem;
  color:#555;
  line-height:1.7;
  display:none;
  padding:12px;
  background:#f9f8f5;
  border-radius:6px;
  margin-top:8px;
}
.jf-master-bio.jf-bio-open{display:block}

/* === 云游画境入口 === */
.jf-cta-section{
  position:relative;
  height:360px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
.jf-cta-bg{
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  object-fit:cover;
  filter:brightness(.6);
}
.jf-cta-content{
  position:relative;
  z-index:1;
  text-align:center;
  color:#fff;
  padding:20px;
}
.jf-cta-title{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1.6rem;
  margin-bottom:12px;
  letter-spacing:3px;
  text-shadow:0 2px 8px rgba(0,0,0,.5);
}
.jf-cta-desc{
  font-size:1rem;
  margin-bottom:24px;
  text-shadow:0 1px 4px rgba(0,0,0,.4);
}
.jf-cta-btn{
  display:inline-block;
  padding:14px 40px;
  background:#5A8B73;
  color:#fff;
  font-size:1rem;
  letter-spacing:3px;
  border-radius:4px;
  transition:background .3s;
}
.jf-cta-btn:hover{background:#4a7a63;color:#fff}

/* === 数字馆藏数据 === */
.jf-stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  text-align:center;
}
.jf-stat-item{
  padding:24px 12px;
  background:#fff;
  border-radius:8px;
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}
.jf-stat-number{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:2rem;
  color:#5A8B73;
  font-weight:700;
}
.jf-stat-label{
  font-size:.85rem;
  color:#888;
  margin-top:4px;
}

/* === 页脚雅集 === */
.jf-footer{
  background:#2c2c2c;
  color:#ccc;
  padding:48px 16px 24px;
}
.jf-footer-grid{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.jf-footer-col h4{
  font-family:"Source Han Serif SC","Noto Serif SC",serif;
  font-size:1rem;
  color:#F7F7F7;
  margin-bottom:16px;
  letter-spacing:2px;
}
.jf-footer-col p,.jf-footer-col a{
  font-size:.85rem;
  color:#aaa;
  line-height:2;
}
.jf-footer-col a:hover{color:#5A8B73}
.jf-footer-honors{
  max-width:1200px;
  margin:32px auto 0;
  padding-top:24px;
  border-top:1px solid #444;
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:center;
}
.jf-honor-badge{
  font-size:.8rem;
  color:#aaa;
  padding:6px 12px;
  border:1px solid #555;
  border-radius:4px;
  text-align:center;
}
.jf-footer-bottom{
  max-width:1200px;
  margin:24px auto 0;
  padding-top:16px;
  border-top:1px solid #444;
  text-align:center;
  font-size:.8rem;
  color:#888;
}
.jf-footer-bottom p{margin-bottom:4px}

/* === 内页通用 === */
.jf-page-hero{
  height:320px;
  display:flex;
  align-items:center;
  justify-content:center;
  background-size:cover;
  background-position:center;
  position:relative;
}
.jf-page-hero::after{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  background:rgba(0,0,0,.4);
}
.jf-page-hero-title{
  position:relative;
  z-index:1;
  color:#fff;
  font-size:1.8rem;
  letter-spacing:4px;
  text-shadow:0 2px 8px rgba(0,0,0,.5);
}
.jf-breadcrumb{
  padding:12px 16px;
  max-width:1200px;
  margin:0 auto;
  font-size:.85rem;
  color:#888;
}
.jf-breadcrumb a{color:#5A8B73}
.jf-breadcrumb span{margin:0 6px;color:#ccc}
.jf-article{
  max-width:800px;
  margin:0 auto;
  padding:32px 16px 48px;
}
.jf-article h2{
  font-size:1.4rem;
  margin:32px 0 16px;
  color:#2c2c2c;
  border-left:3px solid #5A8B73;
  padding-left:12px;
}
.jf-article h3{
  font-size:1.15rem;
  margin:24px 0 12px;
  color:#333;
}
.jf-article p{
  font-size:.95rem;
  color:#444;
  line-height:1.9;
  margin-bottom:16px;
  text-indent:2em;
}
.jf-article-img{
  width:100%;
  border-radius:8px;
  margin:20px 0;
}
.jf-article blockquote{
  border-left:3px solid #5A8B73;
  padding:12px 20px;
  margin:20px 0;
  background:#f9f8f5;
  color:#555;
  font-style:italic;
}

/* === 云游画境页面 === */
.jf-panorama-viewer{
  width:100%;
  height:50vh;
  min-height:300px;
  background:#1a1a1a;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}
.jf-panorama-img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s;
}
.jf-panorama-controls{
  position:absolute;
  bottom:16px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  gap:8px;
}
.jf-panorama-btn{
  padding:8px 16px;
  background:rgba(90,139,115,.8);
  color:#fff;
  border-radius:4px;
  cursor:pointer;
  font-size:.85rem;
  transition:background .3s;
}
.jf-panorama-btn:hover{background:rgba(90,139,115,1)}
.jf-scene-selector{
  padding:16px;
  max-width:800px;
  margin:0 auto;
}
.jf-scene-select{
  width:100%;
  padding:10px 16px;
  border:1px solid #d0d0c8;
  border-radius:6px;
  background:#fff;
  color:#333;
  font-size:.95rem;
  cursor:pointer;
}
.jf-comment-section{
  max-width:800px;
  margin:0 auto;
  padding:32px 16px;
}
.jf-comment-form{
  background:#fff;
  padding:24px;
  border-radius:8px;
  box-shadow:0 2px 12px rgba(0,0,0,.06);
  margin-bottom:32px;
}
.jf-form-group{margin-bottom:16px}
.jf-form-label{
  display:block;
  font-size:.9rem;
  color:#555;
  margin-bottom:6px;
}
.jf-form-input{
  width:100%;
  padding:10px 14px;
  border:1px solid #d0d0c8;
  border-radius:6px;
  background:#fafaf8;
  transition:border-color .3s;
}
.jf-form-input:focus{border-color:#5A8B73}
.jf-form-textarea{
  width:100%;
  padding:10px 14px;
  border:1px solid #d0d0c8;
  border-radius:6px;
  background:#fafaf8;
  min-height:120px;
  resize:vertical;
  transition:border-color .3s;
}
.jf-form-textarea:focus{border-color:#5A8B73}
.jf-submit-btn{
  display:inline-block;
  padding:10px 32px;
  background:#5A8B73;
  color:#fff;
  border-radius:6px;
  cursor:pointer;
  font-size:.95rem;
  letter-spacing:2px;
  transition:background .3s;
}
.jf-submit-btn:hover{background:#4a7a63}
.jf-comment-list{margin-top:24px}
.jf-comment-item{
  padding:16px;
  background:#fff;
  border-radius:8px;
  margin-bottom:12px;
  box-shadow:0 1px 6px rgba(0,0,0,.04);
}
.jf-comment-author{
  font-weight:700;
  color:#2c2c2c;
  font-size:.9rem;
  margin-bottom:4px;
}
.jf-comment-text{font-size:.9rem;color:#555;line-height:1.7}
.jf-comment-time{font-size:.75rem;color:#aaa;margin-top:6px}

/* === APP下载页 === */
.jf-app-hero{
  min-height:80vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background-size:cover;
  background-position:center;
  position:relative;
  padding:48px 16px;
}
.jf-app-hero::after{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:100%;
  background:rgba(247,247,247,.85);
}
.jf-app-content{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:32px;
  max-width:1000px;
  text-align:center;
}
.jf-app-screenshot{
  width:240px;
  border-radius:24px;
  box-shadow:0 8px 32px rgba(0,0,0,.15);
}
.jf-app-info h2{
  font-size:1.6rem;
  color:#2c2c2c;
  margin-bottom:12px;
}
.jf-app-info p{
  font-size:.95rem;
  color:#555;
  line-height:1.8;
  margin-bottom:24px;
}
.jf-download-btns{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:center;
}
.jf-download-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 32px;
  border-radius:28px;
  font-size:.95rem;
  letter-spacing:1px;
  cursor:pointer;
  transition:all .3s;
  min-width:200px;
  justify-content:center;
}
.jf-download-ios{
  background:#667380;
  color:#fff;
}
.jf-download-ios:hover{background:#5A8B73;color:#fff}
.jf-download-android{
  background:#5A8B73;
  color:#fff;
}
.jf-download-android:hover{background:#4a7a63;color:#fff}

/* === 提示框 === */
.jf-toast{
  display:none;
  position:fixed;
  top:50%;left:50%;
  transform:translate(-50%,-50%);
  background:rgba(90,139,115,.95);
  color:#fff;
  padding:20px 40px;
  border-radius:8px;
  font-size:1rem;
  z-index:2000;
  text-align:center;
  box-shadow:0 4px 24px rgba(0,0,0,.2);
}
.jf-toast.jf-toast-show{display:block}

/* === 响应式断点 === */

/* 768px 平板 */
@media(min-width:768px){
  .jf-hamburger{display:none}
  .jf-nav-main{
    display:flex;
    width:auto;
    flex-direction:row;
    gap:0;
    padding-top:0;
  }
  .jf-nav-link{
    padding:8px 14px;
    border-bottom:none;
  }
  .jf-nav-right{
    display:flex;
    width:auto;
    flex-direction:row;
    gap:12px;
    padding-top:0;
    align-items:center;
  }
  .jf-search-box{width:180px}
  .jf-hero-title{font-size:2.4rem}
  .jf-hero-subtitle{font-size:1.1rem}
  .jf-video-grid{grid-template-columns:repeat(3,1fr)}
  .jf-technique-grid{grid-template-columns:repeat(2,1fr)}
  .jf-stats{grid-template-columns:repeat(4,1fr)}
  .jf-footer-grid{grid-template-columns:repeat(2,1fr)}
  .jf-history-card{flex-direction:row}
  .jf-history-img{width:40%;aspect-ratio:auto}
  .jf-history-text{flex:1}
  .jf-download-btns{flex-direction:row}
  .jf-app-content{flex-direction:row;text-align:left}
  .jf-app-info{text-align:left}
}

/* 1024px 笔记本 */
@media(min-width:1024px){
  .jf-section{padding:64px 24px}
  .jf-section-title{font-size:1.8rem}
  .jf-hero-title{font-size:2.8rem}
  .jf-technique-grid{grid-template-columns:repeat(4,1fr)}
  .jf-footer-grid{grid-template-columns:repeat(4,1fr)}
  .jf-penjing-card{width:300px}
  .jf-page-hero{height:400px}
  .jf-page-hero-title{font-size:2.2rem}
}

/* 1440px 大屏 */
@media(min-width:1440px){
  .jf-section{padding:80px 32px}
  .jf-hero-title{font-size:3.2rem}
  .jf-section-title{font-size:2rem}
  .jf-article{padding:48px 0 64px}
}