/*
Theme Name: Aero Vision
Theme URI: https://example.com
Author: ChatGPT
Description: 航拍/摄影风格 Typecho 主题增强版
Version: 3.0.0
*/

:root{
  --bg:#0d1117;
  --bg-soft:#111723;
  --panel:#151b26;
  --panel-2:#1b2330;
  --panel-3:#202938;
  --text:#eef3f8;
  --muted:#9ea9b8;
  --line:rgba(255,255,255,.08);
  --accent:#7cc7ff;
  --accent-2:#9fe7d5;
  --accent-3:#8ea9ff;
  --shadow:0 14px 40px rgba(0,0,0,.28);
  --shadow-lg:0 24px 60px rgba(0,0,0,.35);
  --radius:18px;
  --radius-lg:28px;
  --max:1180px;
}

html[data-theme="light"]{
  --bg:#f5f7fb;
  --bg-soft:#ffffff;
  --panel:#ffffff;
  --panel-2:#f2f5fa;
  --panel-3:#ebf0f7;
  --text:#111827;
  --muted:#667085;
  --line:rgba(17,24,39,.08);
  --accent:#1677ff;
  --accent-2:#12b886;
  --accent-3:#6c7cff;
  --shadow:0 12px 30px rgba(16,24,40,.08);
  --shadow-lg:0 20px 48px rgba(16,24,40,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.75;
  text-rendering:optimizeLegibility;
}
a{color:var(--text);text-decoration:none;transition:.25s}
a:hover{color:var(--accent)}
img{display:block;max-width:100%}
button,input,textarea{font:inherit}

.container{
  width:min(var(--max),calc(100% - 32px));
  margin:0 auto;
}

/* Progress */
.progress-bar{
  position:fixed;
  top:0;
  left:0;
  width:0;
  height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  z-index:999;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  backdrop-filter:blur(16px);
  background:rgba(10,14,20,.68);
  border-bottom:1px solid var(--line);
}
html[data-theme="light"] .site-header{
  background:rgba(255,255,255,.82);
}
.header-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  flex-direction:column;
}
.brand-title{
  font-size:1.15rem;
  font-weight:700;
}
.brand-desc{
  font-size:.83rem;
  color:var(--muted);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:16px;
}
.nav{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.nav a{
  color:var(--muted);
  font-size:.95rem;
  position:relative;
}
.nav a.active,
.nav a:hover{
  color:var(--text);
}
.nav a.active::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:100%;
  height:2px;
  border-radius:999px;
  background:var(--accent);
}
.theme-toggle{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
}
.mobile-menu-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:12px;
  padding:0;
  cursor:pointer;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.mobile-menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:999px;
  background:var(--text);
}

/* Hero */
.hero{
  padding:72px 0 28px;
}
.hero-box{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:58px 36px;
  background:
    radial-gradient(circle at top right, rgba(124,199,255,.18), transparent 28%),
    radial-gradient(circle at left bottom, rgba(159,231,213,.14), transparent 30%),
    linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  box-shadow:var(--shadow);
}
.hero-kicker{
  color:var(--accent);
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:.82rem;
  margin-bottom:12px;
}
.hero h1{
  font-size:clamp(2.2rem,5vw,4.4rem);
  line-height:1.08;
  margin:0 0 14px;
}
.hero p{
  margin:0;
  max-width:760px;
  color:var(--muted);
  font-size:1.03rem;
}

/* 首页轮播 Banner */
.home-slider{
  padding:10px 0 22px;
}
.slider{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
.slider-track{
  display:flex;
  transition:transform .5s ease;
}
.slide{
  min-width:100%;
  position:relative;
  aspect-ratio:21/8;
  background:var(--panel-2);
}
.slide img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.slide::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.12),rgba(0,0,0,.58));
}
.slide-content{
  position:absolute;
  left:36px;
  right:36px;
  bottom:30px;
  z-index:2;
  max-width:680px;
}
.slide-kicker{
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#d7eefc;
  margin-bottom:10px;
}
.slide-title{
  font-size:clamp(1.6rem,4vw,3rem);
  line-height:1.15;
  margin:0 0 10px;
  color:#fff;
}
.slide-desc{
  margin:0;
  color:rgba(255,255,255,.82);
  font-size:.98rem;
}
.slider-arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:3;
  width:44px;
  height:44px;
  border:none;
  border-radius:50%;
  background:rgba(0,0,0,.38);
  color:#fff;
  cursor:pointer;
}
.slider-arrow.prev{left:16px}
.slider-arrow.next{right:16px}
.slider-dots{
  position:absolute;
  left:50%;
  bottom:16px;
  transform:translateX(-50%);
  z-index:3;
  display:flex;
  gap:8px;
}
.slider-dot{
  width:10px;
  height:10px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,.38);
  cursor:pointer;
  padding:0;
}
.slider-dot.active{
  background:#fff;
}

/* Featured */
.featured-section{
  padding:10px 0 18px;
}
.featured-card{
  display:grid;
  grid-template-columns:1.25fr .95fr;
  gap:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.featured-media{
  min-height:100%;
}
.featured-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.featured-content{
  padding:28px 28px 24px 8px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.featured-label{
  font-size:.8rem;
  color:var(--accent);
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.featured-content h2{
  margin:0 0 12px;
  font-size:2rem;
  line-height:1.2;
}
.featured-content p{
  margin:0 0 14px;
  color:var(--muted);
}
.featured-meta{
  color:var(--muted);
  font-size:.92rem;
}

/* Section heading */
.section-heading{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:16px;
  padding:18px 0;
}
.section-heading h2{
  margin:0;
  font-size:1.5rem;
}
.section-heading p{
  margin:6px 0 0;
  color:var(--muted);
}

/* 分类筛选条 */
.category-filter{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:0 0 20px;
}
.category-filter a{
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:.92rem;
}
.category-filter a:hover,
.category-filter a.active{
  color:var(--text);
  border-color:rgba(124,199,255,.3);
  background:rgba(124,199,255,.08);
}

/* Site notice */
.site-notice{
  margin:0 0 20px;
  padding:14px 18px;
  border:1px solid var(--line);
  border-radius:16px;
  background:linear-gradient(180deg,rgba(124,199,255,.08),rgba(159,231,213,.04));
  color:var(--text);
  box-shadow:var(--shadow);
}
.site-notice strong{
  color:var(--accent);
  margin-right:8px;
}

/* Cards */
.main-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  padding:0 0 64px;
}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease,opacity .4s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(124,199,255,.24);
}
.card-cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--panel-2);
}
.card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease,opacity .5s ease;
}
.card:hover .card-cover img{
  transform:scale(1.04);
}
.card-body{
  padding:20px;
}
.card-meta{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  color:var(--muted);
  font-size:.86rem;
  margin-bottom:10px;
}
.card-title{
  margin:0 0 10px;
  font-size:1.2rem;
  line-height:1.35;
}
.card-excerpt{
  color:var(--muted);
  font-size:.95rem;
}
.lazy-fade{
  opacity:0;
  transform:translateY(12px);
}
.lazy-fade.loaded{
  opacity:1;
  transform:none;
  transition:opacity .45s ease,transform .45s ease;
}

/* 瀑布流相册 */
.masonry-section{
  padding:0 0 52px;
}
.masonry-grid{
  column-count:3;
  column-gap:18px;
}
.masonry-item{
  break-inside:avoid;
  margin-bottom:18px;
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow);
}
.masonry-item img{
  width:100%;
  height:auto;
  cursor:zoom-in;
  transition:transform .4s ease;
}
.masonry-item:hover img{
  transform:scale(1.03);
}

/* Pagination */
.pagination{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:4px 0 72px;
}
.page-btn a{
  display:inline-block;
  padding:12px 18px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.03);
}
.page-btn a:hover{
  border-color:rgba(124,199,255,.3);
}

/* Page head */
.page-head{
  padding:58px 0 20px;
}
.page-head h1{
  margin:0 0 8px;
  font-size:2rem;
}
.page-head p{
  margin:0;
  color:var(--muted);
}

/* Single */
.single{
  padding:34px 0 80px;
}
.article{
  width:min(860px,100%);
  margin:0 auto;
}
.single-cover{
  margin-bottom:24px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.single-cover img{
  width:100%;
  max-height:540px;
  object-fit:cover;
}
.article-header{
  margin-bottom:28px;
}
.article-tagline{
  color:var(--accent);
  text-transform:uppercase;
  font-size:.8rem;
  letter-spacing:.18em;
  margin-bottom:10px;
}
.article-header h1{
  margin:0 0 12px;
  font-size:clamp(2rem,4vw,3.3rem);
  line-height:1.15;
}
.article-meta{
  color:var(--muted);
  font-size:.92rem;
}

/* 上一篇下一篇 */
.post-nav{
  width:min(860px,100%);
  margin:34px auto 0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.post-nav-item{
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.03);
}
.post-nav-label{
  display:block;
  font-size:.8rem;
  color:var(--muted);
  text-transform:uppercase;
  letter-spacing:.14em;
  margin-bottom:6px;
}
.post-nav-title{
  font-size:1rem;
  line-height:1.5;
}

/* TOC */
.toc{
  width:min(860px,100%);
  margin:0 auto 28px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.03);
}
.toc-title{
  margin:0 0 10px;
  font-size:1rem;
}
.toc ul{
  margin:0;
  padding-left:18px;
}
.toc li{
  margin:6px 0;
}
.toc a{
  color:var(--muted);
}
.toc a:hover{
  color:var(--accent);
}

/* Article content */
.article-content{
  font-size:1.04rem;
  color:var(--text);
}
.article-content p,
.article-content ul,
.article-content ol,
.article-content blockquote{
  margin:0 0 1.15em;
}
.article-content h2,
.article-content h3,
.article-content h4{
  margin:1.7em 0 .7em;
  line-height:1.3;
  scroll-margin-top:96px;
}
.article-content img{
  margin:22px auto;
  border-radius:16px;
  cursor:zoom-in;
}
.article-content blockquote{
  padding:10px 0 10px 16px;
  border-left:3px solid var(--accent);
  color:var(--muted);
}
.article-content pre{
  padding:16px;
  border-radius:14px;
  overflow:auto;
  border:1px solid var(--line);
  background:#0a0e14;
}
html[data-theme="light"] .article-content pre{
  background:#f4f6fa;
}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
}
.article-content pre code{
  background:none;
  padding:0;
}
.article-content :not(pre) > code{
  background:rgba(124,199,255,.1);
  color:var(--accent);
  padding:2px 6px;
  border-radius:6px;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0;
}
.article-content th,
.article-content td{
  border:1px solid var(--line);
  padding:10px 12px;
}

/* Code highlight tones */
.hljs-comment,.hljs-quote{color:#7f8c9b}
.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-title,.hljs-section,.hljs-doctag,.hljs-type,.hljs-name,.hljs-strong{color:#ff7ab8}
.hljs-string,.hljs-symbol,.hljs-bullet,.hljs-addition,.hljs-attribute,.hljs-template-tag,.hljs-template-variable{color:#9fe7d5}
.hljs-number,.hljs-link,.hljs-regexp,.hljs-variable,.hljs-selector-attr,.hljs-selector-pseudo{color:#7cc7ff}
.hljs-built_in,.hljs-class .hljs-title{color:#ffd580}
.hljs-deletion{color:#ff8f8f}

/* Comments */
#comments{
  width:min(860px,100%);
  margin:42px auto 0;
}
#comments .respond,
#comments .comment-list{
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  border-radius:18px;
  padding:20px;
  margin-bottom:18px;
}
#comments h3{
  margin-top:0;
}
#comments input,
#comments textarea{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--text);
  outline:none;
}
#comments textarea{
  min-height:140px;
  resize:vertical;
}
#comments button,
.submit{
  border:none;
  cursor:pointer;
  padding:12px 18px;
  border-radius:12px;
  font-weight:700;
  color:#08111c;
  background:linear-gradient(135deg,var(--accent),#5ea9ff);
}
.comment-list ol{
  list-style:none;
  margin:0;
  padding:0;
}
.comment-list .comment-body{
  padding:16px 0;
  border-top:1px solid var(--line);
}
.comment-list > ol > li:first-child .comment-body{
  border-top:none;
}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:24px 0 44px;
  color:var(--muted);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.site-footer a{
  color:var(--muted);
}
.site-footer a:hover{
  color:var(--accent);
}

/* Back top */
.back-top{
  position:fixed;
  right:22px;
  bottom:22px;
  width:46px;
  height:46px;
  border:none;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#5ea9ff);
  color:#08111c;
  font-size:20px;
  font-weight:700;
  cursor:pointer;
  box-shadow:var(--shadow);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:.3s ease;
}
.back-top.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* Lightbox */
.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.88);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  z-index:9999;
  opacity:0;
  visibility:hidden;
  transition:.28s ease;
}
.lightbox.show{
  opacity:1;
  visibility:visible;
}
.lightbox img{
  max-width:min(1200px,96vw);
  max-height:88vh;
  border-radius:14px;
  box-shadow:0 20px 80px rgba(0,0,0,.45);
}
.lightbox-close{
  position:absolute;
  top:18px;
  right:18px;
  width:44px;
  height:44px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:26px;
  line-height:44px;
  cursor:pointer;
}

/* Album page */
.album-page .album-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  margin-top:12px;
}
.album-page .album-grid img{
  width:100%;
  border-radius:14px;
  aspect-ratio:4/3;
  object-fit:cover;
  cursor:zoom-in;
}

/* Friend links */
.friend-links{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  margin-top:18px;
}
.friend-link-card{
  display:block;
  padding:20px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.03);
  transition:.25s ease;
}
.friend-link-card:hover{
  transform:translateY(-4px);
  border-color:rgba(124,199,255,.28);
}
.friend-link-card h3{
  margin:0 0 8px;
  font-size:1.08rem;
}
.friend-link-card p{
  margin:0;
  color:var(--muted);
}

/* Responsive */
@media (max-width:980px){
  .featured-card{
    grid-template-columns:1fr;
  }
  .featured-content{
    padding:24px;
  }
  .main-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .masonry-grid{
    column-count:2;
  }
}

@media (max-width:768px){
  .mobile-menu-toggle{
    display:flex;
  }
  .header-inner{
    min-height:auto;
    padding:14px 0;
    flex-direction:column;
    align-items:flex-start;
  }
  .header-actions{
    width:100%;
    justify-content:space-between;
    flex-wrap:wrap;
  }
  .nav{
    display:none;
    width:100%;
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    padding:14px 0 4px;
  }
  .nav.open{
    display:flex;
  }
  .theme-toggle{
    margin-left:auto;
  }
  .slide{
    aspect-ratio:16/10;
  }
  .slide-content{
    left:20px;
    right:20px;
    bottom:22px;
  }
}

@media (max-width:680px){
  .hero{
    padding-top:36px;
  }
  .hero-box{
    padding:36px 22px;
  }
  .main-grid{
    grid-template-columns:1fr;
  }
  .masonry-grid{
    column-count:1;
  }
  .featured-content h2{
    font-size:1.5rem;
  }
  .footer-inner{
    flex-direction:column;
  }
  .album-page .album-grid{
    grid-template-columns:1fr;
  }
  .friend-links{
    grid-template-columns:1fr;
  }
  .post-nav{
    grid-template-columns:1fr;
  }
}