/* ============================================================
   摄影师博客 · 公共核心样式
   桌面端：杂志级个人网站布局
   手机端（≤768px）：微博式信息流（动态卡片 + 底部导航）
   ============================================================ */

:root{
  --bg:#f5f3ef; --bg2:#ece8e0; --ink:#23201c; --muted:#8b857b;
  --primary:#b08d57; --accent:#6f8f7d; --card:#ffffff; --line:rgba(35,32,28,.10);
  --deep:#17140f;
  --radius:16px; --radius-sm:10px;
  --shadow:0 10px 34px rgba(23,20,15,.08);
  --shadow-lg:0 24px 60px rgba(23,20,15,.14);
  --font-body:"Noto Serif SC","Source Han Serif SC","Songti SC","Microsoft YaHei",serif;
  --font-head:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg); color:var(--ink);
  line-height:1.8; font-size:16px;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  transition:background .6s var(--ease),color .6s var(--ease);
  /* 页脚贴底：内容不足一屏时 footer 也固定在视口底部 */
  min-height:100vh; display:flex; flex-direction:column;
}
main{flex:1;width:100%;min-width:0}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--primary),var(--accent));border-radius:8px;border:2px solid var(--bg2)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  border-bottom:1px solid var(--line);
  transition:box-shadow .4s var(--ease),transform .4s var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 30px rgba(0,0,0,.07)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:700}
.logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-size:20px;box-shadow:0 6px 16px color-mix(in srgb,var(--primary) 40%,transparent);
}
.logo-text{line-height:1.2}
.logo-text b{display:block;font-size:17px;letter-spacing:.5px;font-family:var(--font-head)}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:2px;text-transform:uppercase}
.main-nav{display:flex;gap:4px;align-items:center}
.main-nav a{
  padding:9px 16px;border-radius:999px;font-size:14.5px;color:var(--ink);opacity:.72;
  transition:all .3s var(--ease);position:relative;
}
.main-nav a:hover{opacity:1;background:color-mix(in srgb,var(--primary) 12%,transparent)}
.main-nav a.active{opacity:1;background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary);font-weight:600}
.nav-search{display:flex;align-items:center;gap:6px;background:color-mix(in srgb,var(--bg2) 70%,transparent);border:1px solid var(--line);border-radius:999px;padding:6px 12px;transition:.3s}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 16%,transparent)}
.nav-search input{border:0;background:transparent;outline:none;font-size:13.5px;width:120px;color:var(--ink)}
.nav-search svg{width:15px;height:15px;stroke:var(--muted)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 11px;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:78vh;display:flex;align-items:center;
  padding:90px 0;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(1200px 600px at 20% 30%,color-mix(in srgb,var(--primary) 22%,transparent),transparent 60%),
  radial-gradient(900px 500px at 85% 70%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 60%),
  linear-gradient(180deg,color-mix(in srgb,var(--bg) 82%,transparent),var(--bg) 120%)}
.hero-in{position:relative;z-index:2;max-width:720px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:4px;color:var(--primary);text-transform:uppercase;margin-bottom:22px}
.hero-eyebrow::before{content:"";width:42px;height:1.5px;background:var(--primary)}
.hero h1{
  font-family:var(--font-head);font-size:clamp(40px,6vw,74px);line-height:1.12;font-weight:700;
  letter-spacing:2px;margin-bottom:22px;
}
.hero h1 .grad{background:linear-gradient(92deg,var(--primary),var(--accent),var(--primary));background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:heroFlow 6s linear infinite}
@keyframes heroFlow{to{background-position:220% 0}}
.hero-sub{font-size:clamp(16px,2vw,20px);color:var(--muted);margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:1px;transition:all .35s var(--ease);
  border:1px solid transparent;position:relative;overflow:hidden;
}
.btn-primary{background:linear-gradient(120deg,var(--primary),color-mix(in srgb,var(--primary) 70%,var(--accent)));color:#fff;box-shadow:0 10px 26px color-mix(in srgb,var(--primary) 40%,transparent)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px color-mix(in srgb,var(--primary) 48%,transparent)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:color-mix(in srgb,var(--card) 60%,transparent)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-3px)}
.hero-quote{
  margin-top:52px;padding-left:22px;border-left:3px solid var(--primary);
  color:var(--muted);font-style:italic;font-size:15px;max-width:520px;
}
.hero-quote b{display:block;margin-top:8px;font-style:normal;font-size:13px;color:var(--primary)}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;color:var(--muted);font-size:12px;letter-spacing:3px;display:flex;flex-direction:column;align-items:center;gap:8px;animation:floatY 2.4s ease-in-out infinite}
.hero-scroll::after{content:"";width:1px;height:34px;background:linear-gradient(var(--muted),transparent)}
@keyframes floatY{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ---------- 区块 ---------- */
.section{padding:88px 0;position:relative}
.section-head{text-align:center;margin-bottom:52px}
.section-kicker{font-size:12px;letter-spacing:6px;text-transform:uppercase;color:var(--primary);margin-bottom:10px}
.section-title{font-family:var(--font-head);font-size:clamp(28px,3.6vw,42px);font-weight:700;letter-spacing:2px;margin-bottom:12px}
.section-sub{color:var(--muted);font-size:14.5px;letter-spacing:3px;text-transform:uppercase}
.section-line{width:64px;height:2px;background:linear-gradient(90deg,var(--primary),transparent);margin:18px auto 0;border-radius:2px}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.masonry{columns:3;column-gap:24px}
.masonry>*{break-inside:avoid;margin-bottom:24px}

/* ---------- 卡片（文章/作品通用骨架，含微博元素） ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease);
  display:flex;flex-direction:column;position:relative;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--bg2)}
.media.wide{aspect-ratio:16/9}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.card:hover .media img{transform:scale(1.07)}
.media .tag{position:absolute;top:14px;left:14px;z-index:2;background:color-mix(in srgb,var(--deep) 72%,transparent);color:#fff;font-size:12px;padding:5px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.media .like-badge{position:absolute;top:14px;right:14px;z-index:2;display:flex;align-items:center;gap:5px;background:color-mix(in srgb,var(--deep) 58%,transparent);color:#fff;font-size:12px;padding:5px 11px;border-radius:999px;backdrop-filter:blur(6px)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-family:var(--font-head);font-size:19px;font-weight:700;line-height:1.45;transition:color .3s}
.card:hover .card-title{color:var(--primary)}
.card-summary{color:var(--muted);font-size:14px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--muted)}
.card-meta .avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-size:13px;flex:none}
/* 头像图片：填满容器并按容器形状裁剪，防止图片溢出圆框/贴边 */
.avatar img,.avatar-big img{width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}
.card-actions{display:flex;gap:6px;align-items:center;margin-left:auto}
.card-actions span{display:inline-flex;align-items:center;gap:4px;padding:4px 9px;border-radius:999px;transition:.25s}
.card-actions span:hover{background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary)}
.card-actions svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}

/* 作品卡片：方图瀑布 */
.work-card{aspect-ratio:1;position:relative;border-radius:var(--radius);overflow:hidden;cursor:pointer;background:var(--bg2)}
.work-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .6s var(--ease)}
.work-card:hover img{transform:scale(1.09)}
.work-card .ov{position:absolute;inset:0;background:linear-gradient(to top,color-mix(in srgb,var(--deep) 80%,transparent),transparent 55%);opacity:0;transition:opacity .5s var(--ease);display:flex;flex-direction:column;justify-content:flex-end;padding:20px;color:#fff}
.work-card:hover .ov{opacity:1}
.work-card .ov b{font-family:var(--font-head);font-size:17px;margin-bottom:4px}
.work-card .ov span{font-size:12px;opacity:.8;display:flex;gap:10px}
.work-card .ov svg{width:13px;height:13px;stroke:currentColor;fill:none}

/* ---------- 首页布局 ---------- */
.home-layout{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.home-main{min-width:0}
.home-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:26px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.panel h3{font-family:var(--font-head);font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.panel h3::after{content:"";flex:1;height:1px;background:var(--line)}
.about-mini{text-align:center}
.about-mini .avatar-big{width:88px;height:88px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;font-size:34px;color:#fff;box-shadow:0 10px 26px color-mix(in srgb,var(--primary) 35%,transparent)}
.about-mini p{color:var(--muted);font-size:13.5px;margin:10px 0 16px}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.stat{background:color-mix(in srgb,var(--bg2) 60%,transparent);border-radius:var(--radius-sm);padding:12px 8px;text-align:center}
.stat b{display:block;font-family:var(--font-head);font-size:20px;color:var(--primary)}
.stat span{font-size:11.5px;color:var(--muted)}
.mini-list{display:flex;flex-direction:column}
.mini-list a{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px;transition:.3s}
.mini-list a:last-child{border-bottom:0}
.mini-list a:hover{color:var(--primary);padding-left:6px}
.mini-list i{width:34px;height:34px;border-radius:9px;flex:none;background:color-mix(in srgb,var(--primary) 12%,transparent);display:grid;place-items:center;font-style:normal;color:var(--primary);font-weight:700}
.mini-list a:hover i{background:var(--primary);color:#fff}
.tags-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tags-cloud a{font-size:12.5px;padding:5px 13px;border-radius:999px;border:1px solid var(--line);transition:.3s;background:transparent}
.tags-cloud a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}

/* ---------- 作品页筛选 ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:44px}
.filter-bar a{padding:9px 22px;border-radius:999px;border:1px solid var(--line);font-size:14px;transition:.3s;background:var(--card)}
.filter-bar a:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.filter-bar a.on{background:linear-gradient(120deg,var(--primary),color-mix(in srgb,var(--primary) 70%,var(--accent)));color:#fff;border-color:transparent;box-shadow:0 8px 20px color-mix(in srgb,var(--primary) 34%,transparent)}

/* ---------- 文章列表 ---------- */
.post-row{display:grid;grid-template-columns:300px 1fr;gap:0;overflow:hidden}
.post-row .media{aspect-ratio:auto;min-height:210px}
.post-row .card-body{padding:26px 30px}
.post-row .card-title{font-size:21px}

/* ---------- 详情页 ---------- */
.page-hero{padding:70px 0 40px;text-align:center;position:relative}
.page-hero .crumb{font-size:13px;color:var(--muted);letter-spacing:2px;margin-bottom:16px}
.page-hero h1{font-family:var(--font-head);font-size:clamp(30px,4.4vw,52px);font-weight:700;letter-spacing:2px;line-height:1.3}
.page-hero .sub{color:var(--muted);margin-top:14px;font-size:14px;letter-spacing:1px}
.article{max-width:820px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(26px,5vw,58px)}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;padding-bottom:26px;margin-bottom:34px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13.5px}
.article-meta .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff}
.article-cover{border-radius:var(--radius);margin-bottom:34px;box-shadow:var(--shadow)}
.article-body{font-size:16.5px;line-height:2.05}
.article-body p{margin:1.1em 0}
.article-body h2{font-family:var(--font-head);font-size:26px;margin:1.8em 0 .7em;padding-left:14px;border-left:4px solid var(--primary)}
.article-body h3{font-family:var(--font-head);font-size:20px;margin:1.5em 0 .6em}
.article-body img{border-radius:var(--radius-sm);margin:1.4em auto;box-shadow:var(--shadow)}
.article-body blockquote{border-left:3px solid var(--primary);background:color-mix(in srgb,var(--bg2) 55%,transparent);padding:16px 22px;margin:1.5em 0;border-radius:0 12px 12px 0;color:var(--muted);font-style:italic}
.article-body code{background:var(--bg2);padding:2px 8px;border-radius:6px;font-size:.9em}
.article-body pre{background:var(--deep);color:#e8e4dc;padding:22px;border-radius:12px;overflow:auto;margin:1.5em 0}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body ul,.article-body ol{padding-left:1.6em;margin:1em 0}
.article-body h4,.article-body h5,.article-body h6{font-family:var(--font-head);margin:1.3em 0 .5em}
.article-body h4{font-size:17.5px}.article-body h5{font-size:16px}.article-body h6{font-size:15px;color:var(--muted)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;word-break:break-all}
.article-body mark{background:linear-gradient(transparent 55%,rgba(201,168,106,.35) 55%);color:inherit;padding:0 2px;border-radius:2px}
.article-body del,.article-body s{color:var(--muted)}
.article-body hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--line,color-mix(in srgb,var(--muted) 40%,transparent)),transparent);margin:2.2em auto;max-width:70%}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.95em;overflow:hidden;border-radius:10px;box-shadow:var(--shadow)}
.article-body th,.article-body td{border:1px solid color-mix(in srgb,var(--muted) 22%,transparent);padding:10px 14px;text-align:left}
.article-body th{background:color-mix(in srgb,var(--primary) 10%,transparent);font-family:var(--font-head);font-weight:700}
.article-body tr:nth-child(even) td{background:color-mix(in srgb,var(--bg2) 40%,transparent)}
.article-body figure{margin:1.6em 0;text-align:center}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:12.5px;color:var(--muted);margin-top:8px;letter-spacing:.06em}
.article-body video,.article-body audio{max-width:100%;margin:1.4em 0;border-radius:12px;box-shadow:var(--shadow)}
.article-body img[align="center"],.article-body center{text-align:center}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:38px;padding-top:26px;border-top:1px dashed var(--line)}
.article-tags a{font-size:13px;padding:6px 15px;border-radius:999px;background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--primary);transition:.3s}
.article-tags a:hover{background:var(--primary);color:#fff}
.pager{display:flex;justify-content:center;gap:8px;margin-top:48px;flex-wrap:wrap}
.pager .pg{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);font-size:13.5px;transition:.3s}
.pager .pg:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pager .pg.cur{background:linear-gradient(120deg,var(--primary),color-mix(in srgb,var(--primary) 70%,var(--accent)));color:#fff;border-color:transparent}
.pager .pg.off{opacity:.35;pointer-events:none}

/* ---------- 灯箱 ---------- */
.lightbox{position:fixed;inset:0;z-index:500;background:rgba(8,8,10,.94);display:none;align-items:center;justify-content:center;flex-direction:column;padding:40px}
.lightbox.open{display:flex;animation:fadeIn .35s var(--ease)}
.lightbox img{max-width:92vw;max-height:80vh;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6);animation:zoomIn .45s var(--ease)}
.lightbox .lb-cap{margin-top:18px;color:#cfc9bd;font-size:14px;max-width:80vw;text-align:center}
.lightbox .lb-close{position:absolute;top:26px;right:30px;color:#fff;background:rgba(255,255,255,.12);border:0;width:44px;height:44px;border-radius:50%;font-size:20px;transition:.3s}
.lightbox .lb-close:hover{background:rgba(255,255,255,.28);transform:rotate(90deg)}
.lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:18px;transition:.3s}
.lightbox .lb-nav:hover{background:var(--primary)}
.lightbox .lb-prev{left:26px}.lightbox .lb-next{right:26px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes zoomIn{from{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}

/* ---------- 评论区 / 留言板 ---------- */
.comment-box{max-width:820px;margin:44px auto 0}
.comment-box h3{font-family:var(--font-head);font-size:20px;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.comment-box h3::after{content:"";flex:1;height:1px;background:var(--line)}
.c-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:30px}
.c-form textarea{width:100%;min-height:110px;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;background:color-mix(in srgb,var(--bg) 55%,transparent);color:var(--ink);font-size:14.5px;resize:vertical;outline:none;transition:.3s}
.c-form textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 14%,transparent)}
.c-form-row{display:flex;gap:14px;margin-top:12px}
.c-form-row input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:color-mix(in srgb,var(--bg) 55%,transparent);color:var(--ink);font-size:14px;outline:none;transition:.3s}
.c-form-row input:focus{border-color:var(--primary)}
.c-form .btn{margin-top:14px}
.c-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px dashed var(--line)}
.c-item .avatar{width:44px;height:44px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:grid;place-items:center;font-weight:700}
.c-item .cm{flex:1}
.c-item .cm b{font-size:14.5px}
.c-item .cm time{font-size:12px;color:var(--muted);margin-left:12px}
.c-item .cm p{margin-top:8px;font-size:14.5px;line-height:1.9}
.c-item .cm .reply{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:12.5px;color:var(--muted);transition:.3s;background:none;border:0;padding:0}
.c-item .cm .reply:hover{color:var(--primary)}

/* ---------- 关于页 ---------- */
.about-page{max-width:960px;margin:0 auto}
.about-hero{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:center;margin-bottom:56px}
.about-portrait{border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden;aspect-ratio:3/4}
.about-portrait img{width:100%;height:100%;object-fit:cover}
.about-page .lead{font-size:19px;line-height:2;color:var(--muted)}
.about-page .lead b{color:var(--primary)}

/* ---------- 友链 ---------- */
.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.link-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;align-items:center;gap:16px;transition:.4s var(--ease)}
.link-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--primary) 45%,transparent)}
.link-card .logo{width:52px;height:52px;border-radius:14px;flex:none;display:grid;place-items:center;font-size:22px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent))}
.link-card .lc b{font-size:15.5px}
.link-card .lc p{font-size:12.5px;color:var(--muted);margin-top:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#a8a29a;margin-top:auto;padding-top:80px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary),transparent)}
.footer-in{max-width:var(--maxw);margin:0 auto;padding:64px 24px 40px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px}
.footer-in h4{color:#fff;font-family:var(--font-head);font-size:15px;margin-bottom:18px;letter-spacing:1px}
.footer-in p{font-size:13.5px;line-height:2}
.footer-in a{display:block;font-size:13.5px;padding:4px 0;transition:.3s}
.footer-in a:hover{color:var(--primary);padding-left:6px}
body .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 24px;text-align:center;font-size:13px;color:#c8c0b6;line-height:1.8}
body .footer-bottom a{color:#d8d0c6;text-decoration:none;transition:color .25s}
body .footer-bottom a:hover{color:#fff}

/* 作品网格（桌面 3 列 / 手机 2 列紧凑墙） */
.grid-works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:768px){.grid-works{grid-template-columns:repeat(2,1fr);gap:4px}}
.post-list{max-width:900px;margin:0 auto}
.like-btn{display:inline-flex;align-items:center;gap:4px;background:none;border:0;color:var(--muted);padding:4px 9px;border-radius:999px;transition:.25s;font-size:inherit}
.like-btn:hover{background:color-mix(in srgb,var(--primary) 12%,transparent);color:var(--primary)}
.like-btn svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}
.like-btn.liked{color:#ff4d4f}
.like-btn.liked svg{fill:#ff4d4f;stroke:#ff4d4f}

/* EXIF 拍摄参数 */
.exif-box{background:color-mix(in srgb,var(--bg2) 55%,transparent);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:26px}
.exif-table{width:100%;border-collapse:collapse;font-size:14px}
.exif-table td{padding:9px 12px;border-bottom:1px dashed var(--line)}
.exif-table tr:last-child td{border-bottom:0}
.exif-table td:first-child{color:var(--muted);width:110px;letter-spacing:1px}
.exif-table td:last-child{font-weight:600}
.gallery-img{box-shadow:var(--shadow);transition:transform .5s var(--ease)}
.gallery-img:hover{transform:scale(1.008)}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.empty .big{font-size:52px;opacity:.4;margin-bottom:12px}

/* ============================================================
   手机端 · 微博式信息流（≤768px）
   ============================================================ */
@media (max-width:768px){
  body{padding-bottom:80px}
  .wrap{padding:0 14px}
  .header-in{height:56px}
  .main-nav{display:none;position:fixed;inset:56px 0 auto 0;background:var(--bg);flex-direction:column;padding:14px;gap:2px;border-bottom:1px solid var(--line);z-index:300;box-shadow:var(--shadow-lg)}
  .main-nav.open{display:flex;animation:fadeIn .3s}
  .main-nav a{width:100%;text-align:center;padding:13px}
  .nav-toggle{display:block}
  .nav-search{display:none}
  .hero{min-height:62vh;padding:64px 0}
  .hero-quote{display:none}
  .hero-scroll{display:none}
  .section{padding:52px 0}
  .section-head{margin-bottom:34px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .masonry{columns:1}
  .home-layout{grid-template-columns:1fr;gap:0}
  .home-side{position:static;order:3}
  .post-row{grid-template-columns:1fr}
  .about-hero{grid-template-columns:1fr}
  .link-grid{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr;gap:28px;padding:46px 14px 30px}

  /* ---- 微博动态卡片 ---- */
  .feed-card{
    background:var(--card);border:1px solid var(--line);border-radius:14px;
    padding:16px;margin-bottom:12px;display:flex;flex-direction:column;gap:10px;
    transition:transform .3s;
  }
  .feed-card:active{transform:scale(.985)}
  .feed-head{display:flex;align-items:center;gap:10px}
  .feed-head .avatar{width:40px;height:40px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-size:17px;font-weight:700}
  .feed-head .who{flex:1;min-width:0}
  .feed-head .who b{display:block;font-size:14.5px;display:flex;align-items:center;gap:5px}
  .feed-head .who .v{width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,#fbbf24,#f97316);display:inline-block;position:relative;flex:none}
  .feed-head .who .v::after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;font-size:9px;color:#fff}
  .feed-head .who time{display:block;font-size:11px;color:var(--muted)}
  .feed-head .more{color:var(--muted);font-size:18px;line-height:1;padding:4px 8px}
  .feed-content{font-size:14.5px;line-height:1.75;color:var(--ink)}
  .feed-content .ft{display:block;font-weight:700;font-size:15.5px;margin-bottom:4px}
  .feed-img{display:grid;gap:3px;grid-template-columns:repeat(3,1fr);border-radius:10px;overflow:hidden}
  .feed-img img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--bg2)}
  .feed-img.one{grid-template-columns:1fr}
  .feed-img.one img{aspect-ratio:4/3}
  .feed-img.two{grid-template-columns:repeat(2,1fr)}
  .feed-actions{display:flex;justify-content:space-between;padding-top:10px;border-top:1px solid var(--line);margin-top:2px}
  .feed-actions button{display:flex;align-items:center;gap:4px;background:none;border:0;color:var(--muted);font-size:12.5px;padding:4px 8px;border-radius:6px;transition:.25s}
  .feed-actions button:active{background:color-mix(in srgb,var(--primary) 14%,transparent);color:var(--primary)}
  .feed-actions svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.7}
  .feed-actions .liked{color:#ff4d4f}
  .feed-actions .liked svg{fill:#ff4d4f;stroke:#ff4d4f}

  /* 隐藏桌面卡片，显示微博卡片 */
  .desk-card{display:none}

  /* ---- 微博底部导航 ---- */
  .tab-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:400;height:58px;
    background:color-mix(in srgb,var(--bg) 88%,transparent);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--line);display:flex;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-bar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:10.5px;transition:.25s}
  .tab-bar a svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.6}
  .tab-bar a.on{color:var(--primary)}
  .tab-bar a.on svg{stroke-width:2}

  /* 移动端详情页 */
  .page-hero{padding:36px 0 20px}
  .page-hero h1{font-size:26px}
  .article{padding:20px;border-radius:14px;border-left:0;border-right:0}
  .article-body{font-size:15.5px}
  .article-meta{font-size:12.5px;gap:12px}
  .lightbox{padding:16px}
  .lightbox img{max-width:96vw;max-height:72vh}
  .lightbox .lb-nav{width:38px;height:38px}
  .lightbox .lb-prev{left:8px}.lightbox .lb-next{right:8px}
  .filter-bar{gap:6px}
  .filter-bar a{padding:7px 15px;font-size:13px}

  /* 移动端微博九宫格作品墙 */
  .work-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}
  .work-wall .work-card{border-radius:4px;aspect-ratio:1}
  .work-wall .ov{display:none}
  .mini-avatar{display:none}
}

/* 桌面端默认显示桌面卡片；手机端由 JS 给 body 加 .is-mobile 以区分（降级也按宽度生效） */
@media (min-width:769px){
  .feed-card{display:none}
  .tab-bar{display:none}
  .work-wall{display:none}
}