:root{--bg-body:#f5f7fa;--bg-card:rgba(255,255,255,0.4);--text-main:#000000;--text-sub:#5f6c6d;--accent:#ff7f9f;--accent-hover:#ff5e85;--border:#e2e8f0;--shadow-soft:0 4px 6px -1px rgba(0,0,0,0.02),0 10px 15px -3px rgba(0,0,0,0.05);--shadow-hover:0 4px 12px rgba(0,0,0,0.08);--radius:16px;--header-h:60px;--scrollbar-bg:#e2e8f0;--scrollbar-thumb:#cbd5e1;--font-sans:"Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-serif:"Noto Serif SC","Songti SC","SimSun","Times New Roman",Times,serif;--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;--font-main:var(--font-sans);--font-heading:var(--font-sans)}
[data-theme="dark"]{--bg-body:#0f172a;--bg-card:rgba(30,41,59,0.4);--text-main:#e2e8f0;--text-sub:#aab6c5;--accent:#ff7f9f;--border:#334155;--shadow-soft:0 4px 6px -1px rgba(0,0,0,0.3);--shadow-hover:0 4px 12px rgba(0,0,0,0.5);--scrollbar-bg:#1e293b;--scrollbar-thumb:#475569}
*{box-sizing:border-box}
/* View Transitions 主题切换动画 */
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
[data-theme="dark"]::view-transition-new(root){animation:vt-circle-expand .6s cubic-bezier(.4,0,.2,1) forwards}
:root::view-transition-old(root){animation:vt-circle-shrink .6s cubic-bezier(.4,0,.2,1) forwards;clip-path:circle(150% at var(--click-x,50%) var(--click-y,50%));z-index:999}
@keyframes vt-circle-expand{from{clip-path:circle(0% at var(--click-x,50%) var(--click-y,50%))}to{clip-path:circle(150% at var(--click-x,50%) var(--click-y,50%))}}
@keyframes vt-circle-shrink{from{clip-path:circle(150% at var(--click-x,50%) var(--click-y,50%))}to{clip-path:circle(0% at var(--click-x,50%) var(--click-y,50%))}}
@media(prefers-reduced-motion:reduce){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}}
::selection{background:var(--accent);color:#fff}
::-moz-selection{background:var(--accent);color:#fff}
body{background-color:var(--bg-body);color:var(--text-main);font-family:var(--font-main);margin:0;line-height:1.6;font-size:16px;overflow-x:hidden;position:relative;min-height:100vh;transition:color 0.3s ease;background-image:radial-gradient(var(--border) 1px,transparent 1px);background-size:24px 24px;background-attachment:fixed}
.bg-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-10;opacity:0;transition:opacity 0.4s ease-out;background-position:center;background-repeat:no-repeat;background-size:cover}
#web-bg.loaded{opacity:1;background-size:cover !important;background-position:center !important;background-repeat:no-repeat !important}
.bg-overlay::after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,0.1);backdrop-filter:none;-webkit-backdrop-filter:none;transition:background 0.3s}
[data-theme="dark"] .bg-overlay::after{background:rgba(15,23,42,0.85)}
h1,h2,h3,h4,h5,h6,.logo,.pc-nav-item,.m-menu-item{font-family:var(--font-heading)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text-sub);opacity:0.5;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}
#progress-bar{position:fixed;top:0;left:0;width:0%;height:3px;background:var(--accent);z-index:2000;transition:width 0.1s;box-shadow:0 0 10px var(--accent)}
#back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--bg-card);border:1px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-soft);opacity:0;transform:translateY(20px);transition:all 0.3s ease;z-index:100;pointer-events:none;color:var(--text-main);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
#back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
#back-to-top:hover{background:var(--accent);color:white;border-color:var(--accent)}
.pc-header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);height:var(--header-h);display:flex;align-items:center;justify-content:center;transition:background-color 0.3s ease,border-color 0.3s ease}
[data-theme="dark"] .pc-header{background:rgba(30,41,59,0.9)}
.pc-header-inner{width:75%;display:flex;justify-content:space-between;align-items:center;height:100%;padding:0 1rem}
.logo{font-size:1.3rem;font-weight:800;color:var(--accent);text-decoration:none}
.pc-nav{display:flex;gap:20px;align-items:center;height:60px}
.pc-nav-item{text-decoration:none;color:var(--text-main);font-weight:500;font-size:0.95rem;cursor:pointer;position:relative;height:100%;display:flex;align-items:center;padding:0 5px}
.pc-nav-item:hover{color:var(--accent)}
.dropdown{position:relative;height:100%;display:flex;align-items:center;cursor:pointer}
.dropdown-content{display:none;position:absolute;top:calc(100% - 1px);left:-42px;right:0;margin:0 auto;width:fit-content;background-color:var(--bg-card);min-width:140px;box-shadow:var(--shadow-soft);border-radius:0 0 8px 8px;border:1px solid var(--border);border-top:none;z-index:1000;padding:5px 0;white-space:nowrap;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.dropdown:hover .dropdown-content{display:block;animation:fadeIn 0.15s ease}
.dropdown-content a{color:var(--text-main);padding:10px 16px;text-decoration:none;display:block;font-size:0.9rem;text-align:center}
.dropdown-content a:hover{background-color:var(--bg-body);color:var(--accent)}
.search-box{background:var(--bg-body);border:1px solid var(--border);padding:5px 15px;border-radius:20px;font-size:0.85rem;width:180px;color:var(--text-main);outline:none;transition:all 0.2s ease;font-family:inherit}
.search-box:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,127,159,0.2)}
.search-box::placeholder{color:var(--text-sub)}
.container{width:75%;max-width:100%;margin:2rem auto;display:grid;grid-template-columns:280px 1fr;gap:30px;transition:all 0.3s}
.container.article-mode{width:90%;grid-template-columns:240px 1fr}
.sidebar{position:sticky;top:calc(var(--header-h) + 20px);height:fit-content;max-height:calc(100vh - 100px);overflow-y:auto}
.sidebar::-webkit-scrollbar{display:none}
.profile-card,.toc-card,.post-content-card,.post-item{background:var(--bg-card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(0,0,0,0.04);border-radius:var(--radius);box-shadow:var(--shadow-soft);transition:all 0.3s ease}
.profile-card{text-align:center;padding-top:30px;overflow:hidden}
.avatar{width:120px;height:120px;border-radius:20%;object-fit:cover;border:4px solid var(--bg-body);margin:0 auto 15px auto;display:block;transition:transform 0.3s}
.avatar:hover{transform:rotate(5deg) scale(1.05)}
.name{font-size:1.4rem;font-weight:700;margin:0 0 5px 0}
.bio{font-size:0.85rem;color:var(--text-sub);margin-bottom:20px;padding:0 20px}
.social-row{display:grid !important;grid-template-columns:repeat(5,42px);gap:6px;justify-content:center;margin:10px auto;padding:0;width:100%}
.social-btn{width:42px !important;height:42px !important;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--bg-body);border:1px solid var(--border);margin:0 !important;text-decoration:none;transition:all 0.2s ease}
.social-btn:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.social-btn img{width:22px;height:22px;object-fit:contain;display:block}
[data-theme="dark"] .social-btn img{filter:invert(0.8)}
.social-btn:hover img{filter:brightness(0) invert(1)}
.stats-row{border-top:1px solid var(--border);display:flex;padding:15px 0;background:rgba(0,0,0,0.02)}
.stat-item{flex:1;text-align:center;border-right:1px solid var(--border)}
.stat-item:last-child{border:none}
.stat-num{display:block;font-weight:700;font-size:1.1rem;color:var(--text-main);min-height:1.6rem}
.stat-label{font-size:0.75rem;color:var(--text-sub);text-transform:uppercase}
.toc-card{padding:20px;margin-top:20px;display:none;animation:fadeIn 0.3s ease}
.toc-title{font-weight:700;margin-bottom:10px;font-size:1rem;border-bottom:1px solid var(--border);padding-bottom:10px;color:var(--text-main)}
.toc-link{display:block;color:var(--text-sub);text-decoration:none;font-size:0.9rem;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:all 0.2s}
.toc-link:hover{color:var(--accent);transform:translateX(3px)}
.toc-h1{margin-left:0px;font-weight:600;color:var(--text-main)}
.toc-h2{margin-left:12px}
.toc-h3{margin-left:24px;font-size:0.85rem}
.toc-h4{margin-left:36px;font-size:0.85rem}
.toc-h5{margin-left:48px;font-size:0.8rem}
.toc-h6{margin-left:60px;font-size:0.8rem}
.main-content{min-height:60vh;position:relative;min-width:0;opacity:0;transform:translateY(10px);transition:opacity 0.25s ease-out,transform 0.25s ease-out}
.main-content.animate-in{opacity:1;transform:translateY(0)}
.post-item{margin-bottom:15px;padding:20px;display:flex;justify-content:space-between;align-items:center;text-decoration:none;cursor:pointer;position:relative;overflow:hidden;padding-left:24px;transition:box-shadow 0.2s ease,border-color 0.2s ease}
.post-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);transform:scaleY(0);transition:transform 0.3s ease;transform-origin:bottom}
.post-item:hover{transform:none !important;box-shadow:var(--shadow-hover);border-color:var(--accent);background-color:rgba(255,255,255,0.95)}
[data-theme="dark"] .post-item:hover{background-color:rgba(30,41,59,0.95)}
.post-item:hover::before{transform:scaleY(1)}
.post-title{font-size:1.1rem;color:var(--text-main);font-weight:600}
.post-item:hover .post-title{color:var(--accent)}
.post-date{font-size:0.85rem;color:var(--text-sub);font-family:var(--font-mono)}
.post-content-card{padding:40px;overflow:hidden}
.markdown-body{background:transparent !important;color:var(--text-main) !important;font-family:var(--font-serif) !important;overflow-wrap:break-word !important;word-wrap:break-word !important;word-break:break-word !important;max-width:100%}
.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{font-family:var(--font-heading) !important}
.markdown-body img{max-width:100%;height:auto;border-radius:8px;transition:filter 0.3s ease;display:block;background-color:var(--border);min-height:50px}
[data-theme="dark"] .markdown-body img{filter:brightness(0.9)}
.markdown-body a{color:var(--text-main) !important;text-decoration:none !important;background:linear-gradient(to bottom,transparent 70%,rgba(255,127,159,0.3) 70%);background-size:0% 100%;background-repeat:no-repeat;background-position:0 100%;transition:background-size 0.3s ease,color 0.3s ease;border-bottom:1px solid var(--accent)}
.markdown-body a:hover{background-size:100% 100%;color:var(--accent-hover) !important;border-bottom-color:transparent}
.markdown-body blockquote{background:var(--bg-body);border-left:4px solid var(--accent);padding:16px 20px;margin:20px 0;border-radius:4px;color:var(--text-sub);font-style:normal}
.markdown-body ul{padding-left:1.5em}
.markdown-body ul li{list-style:none;position:relative;margin-bottom:6px}
.markdown-body ul li::before{content:"";position:absolute;left:-1.2em;top:0.6em;width:6px;height:6px;border-radius:50%;background:transparent;border:2px solid var(--accent);opacity:0.8}
.markdown-body pre{overflow-x:auto;max-width:100%;position:relative;padding-top:36px !important;border-radius:12px;background:#282c34 !important;border:1px solid var(--border);font-family:var(--font-mono) !important;content-visibility:auto;contain-intrinsic-size:100px;contain:layout paint}
.markdown-body pre::before{content:"";position:absolute;top:12px;left:15px;width:12px;height:12px;border-radius:50%;background:#ff5f56;box-shadow:20px 0 0 #ffbd2e,40px 0 0 #27c93f;z-index:2}
.markdown-body code{font-family:var(--font-mono) !important;white-space:pre-wrap}
.markdown-body pre::-webkit-scrollbar{height:6px}
.copy-btn{position:absolute;top:8px;right:8px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#abb2bf;border-radius:4px;padding:4px 8px;font-size:12px;cursor:pointer;opacity:0;transition:all 0.2s;font-family:var(--font-mono);z-index:10}
.markdown-body pre:hover .copy-btn{opacity:1}
.copy-btn:hover{background:rgba(255,255,255,0.2);color:#fff}
.site-footer{text-align:center;padding:20px 10px;color:var(--text-sub);font-size:0.9rem;border-top:1px solid var(--border);margin-top:30px;background:transparent}
.site-footer p{margin:4px 0;line-height:1.4}
#skeleton-box{animation:fadeIn 0.2s ease}
.skeleton{background:#e0e0e0;border-radius:4px;animation:shimmer 1.5s infinite linear;background:linear-gradient(to right,var(--bg-body) 8%,var(--border) 18%,var(--bg-body) 33%);background-size:800px 104px}
.sk-title{height:32px;width:60%;margin-bottom:20px}
.sk-text{height:16px;margin-bottom:10px;width:100%}
.sk-text.short{width:80%}
.sk-card{height:80px;margin-bottom:15px;border-radius:12px}
@keyframes shimmer{0%{background-position:-468px 0}
100%{background-position:468px 0}
}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}
to{opacity:1;transform:translateY(0)}
}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}
to{opacity:1;transform:translateY(0)}
}.pagination{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:40px;padding-top:20px;border-top:1px dashed var(--border);animation:fadeInUp 0.5s ease}
.page-btn{padding:8px 20px;border-radius:20px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-main);text-decoration:none;font-size:0.9rem;transition:all 0.2s;box-shadow:var(--shadow-soft);cursor:pointer;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.page-btn:hover:not(.disabled){border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.page-btn.disabled{opacity:0.5;cursor:not-allowed;background:transparent;box-shadow:none;border-color:transparent}
.page-num{font-family:var(--font-mono);color:var(--text-sub);font-size:0.9rem;font-weight:bold}
.post-copyright{margin-top:40px;padding:20px;background:var(--bg-body);border-left:4px solid var(--accent);border-radius:4px;font-size:0.9rem;color:var(--text-sub);line-height:1.8}
.pc-item{margin-bottom:8px;word-break:break-all}
.pc-item:last-child{margin-bottom:0}
.pc-item a{color:var(--text-sub);text-decoration:none;border-bottom:1px dashed var(--text-sub);transition:color 0.2s}
.pc-item a:hover{color:var(--accent);border-color:var(--accent)}
.mobile-header{display:none}
@media (max-width:768px){.pc-header{display:none}
.mobile-header{display:block;position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);height:var(--header-h);transition:background-color 0.3s ease}
[data-theme="dark"] .mobile-header{background:rgba(30,41,59,0.9)}
.mobile-bar-inner{display:flex;justify-content:space-between;align-items:center;height:100%;padding:0 20px}
.mobile-logo{font-size:1.2rem;font-weight:700;color:var(--text-main);text-decoration:none}
.container,.container.article-mode{width:100%;max-width:100vw;margin:0;padding:15px;grid-template-columns:1fr;gap:20px;overflow-x:hidden}
.sidebar{display:none}
.post-content-card,.post-item{background:var(--bg-card) !important;box-shadow:0 2px 4px rgba(0,0,0,0.05) !important;padding:20px;border:1px solid var(--border)}
.post-item{flex-direction:column;align-items:flex-start;gap:5px}
.post-date{font-size:0.8rem;margin-top:2px;align-self:flex-start}
.post-item:hover{transform:none !important}
.markdown-body{text-rendering:optimizeSpeed}
.markdown-body pre{padding-top:12px !important;background:#1e293b !important;border:1px solid rgba(255,255,255,0.1);box-shadow:none !important}
.markdown-body pre::before{display:none !important;content:none !important;box-shadow:none !important}
.copy-btn{background:transparent !important;border:1px solid rgba(255,255,255,0.2) !important;color:rgba(255,255,255,0.6) !important}
.markdown-body code{font-family:monospace !important;font-variant-ligatures:none}
#back-to-top{bottom:20px;right:20px;width:38px;height:38px}
}.menu-btn{width:38px;height:38px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);color:var(--text-main);display:flex;justify-content:center;align-items:center;cursor:pointer}
.mobile-menu-dropdown{display:none;position:absolute;top:calc(var(--header-h) + 10px);right:15px;width:180px;background:rgba(255,255,255,0.2);border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.1);padding:8px;flex-direction:column;gap:5px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:1001}
[data-theme="dark"] .mobile-menu-dropdown{background:rgba(30,41,59,0.2)}
.mobile-menu-dropdown.show{display:flex}
.m-menu-item{display:flex;justify-content:space-between;padding:10px 15px;text-decoration:none;color:var(--text-main);font-size:0.95rem;border-radius:8px}
.m-menu-item:hover{background:var(--bg-body);color:var(--accent)}
.site-footer,.site-footer p{color:var(--text-main) !important;opacity:1 !important}
.markdown-body table,.markdown-body thead,.markdown-body tbody,.markdown-body tr,.markdown-body th,.markdown-body td{background-color:transparent !important;color:var(--text-main) !important;border:1px solid var(--border) !important}
.markdown-body th{background-color:rgba(127,127,127,0.1) !important;font-weight:bold !important}
.markdown-body table a{color:var(--accent) !important}
.mobile-search-input{margin-left:auto;margin-right:10px;background:var(--bg-body);border:1px solid var(--border);padding:6px 12px;border-radius:20px;font-size:0.85rem;width:140px;color:var(--text-main);outline:none;transition:all 0.2s ease;appearance:none;-webkit-appearance:none}
.mobile-search-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,127,159,0.2)}
@media (max-width:380px){.mobile-search-input{width:110px}
}.markdown-body img[src$="#small"]{width:300px !important;max-width:100%;margin:0 auto;display:block}
.markdown-body img[src$="#medium"]{width:500px !important;max-width:100%;margin:0 auto;display:block}
.markdown-body img[src$="#w50"]{width:50% !important;margin:0 auto;display:block}
.markdown-body img[src$="#w100"]{width:100% !important}
.markdown-body img[src$="#left"]{float:left;margin-right:20px;width:300px !important}
.markdown-body img[src$="#right"]{float:right;margin-left:20px;width:300px !important}
/* Umami统计 */
.stats-row{border-top:0 solid var(--border);display:flex;padding:0;background:rgba(0,0,0,0.02);max-height:0;opacity:0;transform:translateY(-10px);overflow:hidden;transition: all 300ms cubic-bezier(0.25,0.8,0.25,1);}
.stats-row.show{max-height:80px;opacity:1;transform:translateY(0);padding:8px 0;border-top:1px solid var(--border)}
.stat-item{flex:1;text-align:center;border-right:1px solid var(--border)}
.stat-item:last-child{border:none}
.stat-num{display:block;font-weight:700;font-size:1.1rem;color:var(--text-main);min-height:auto;line-height:1.2;margin-bottom:2px}
.stat-label{font-size:0.75rem;color:var(--text-sub);text-transform:uppercase;line-height:1}