:root{--ink:#18221c;--muted:#67726a;--paper:#f7f5ee;--card:#fffdf8;--line:#dfe2d8;--green:#244c39;--lime:#d9ee9b;--orange:#e76f3d;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}header{position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(36,76,57,.12);background:rgba(247,245,238,.9);backdrop-filter:blur(14px)}nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:800}.mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--green);color:white;font-family:Georgia,serif}.links{display:flex;align-items:center;gap:30px;color:#4e5d53;font-size:14px}.contact{padding:9px 16px;border:1px solid var(--green);border-radius:999px;color:var(--green);font-weight:700}.hero{padding:82px 0 58px}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:44px;align-items:end}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--green);font-size:13px;font-weight:800;letter-spacing:.12em}.dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}h1{margin:20px 0 24px;font-family:Georgia,"Noto Serif SC",serif;font-size:clamp(48px,7vw,96px);line-height:1;letter-spacing:-.045em;font-weight:600}.accent{color:var(--green);position:relative;white-space:nowrap}.accent:after{content:"";position:absolute;left:3%;right:0;bottom:2px;height:14px;background:var(--lime);z-index:-1}.lead{max-width:700px;color:var(--muted);font-size:18px}.actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-block;padding:12px 20px;border:0;border-radius:999px;font-weight:800;font-size:14px;cursor:pointer}.primary{background:var(--green);color:white}.secondary{border:1px solid #cfd5cc;background:transparent}.ghost{background:transparent;color:var(--muted)}.profile{background:var(--green);color:#f8f7f0;border-radius:32px;padding:30px;transform:rotate(1.5deg);box-shadow:0 24px 50px rgba(25,50,37,.18)}.avatar{display:grid;place-items:center;width:84px;height:84px;border-radius:50%;background:var(--lime);color:var(--green);font:700 38px Georgia}.profile p{color:#dce8df}.status{display:flex;gap:9px;align-items:center;margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);font-size:13px}.status i{width:9px;height:9px;border-radius:50%;background:#9de681}.section{padding:64px 0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.section h2,.contact-card h2{font:600 clamp(30px,4vw,46px) Georgia,serif;margin:0}.section-head p,.contact-card p{color:var(--muted)}.posts{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.post{min-height:310px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);display:flex;flex-direction:column;justify-content:space-between;transition:.25s}.post:hover{transform:translateY(-5px);box-shadow:0 18px 35px rgba(29,54,38,.09)}.post.featured{background:#e9ecd9}.tag{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:.08em}.post h3{font:600 27px/1.25 Georgia,serif;margin:14px 0}.post p,.meta{color:var(--muted);font-size:14px}.meta{border-top:1px solid rgba(40,65,48,.12);padding-top:18px}.contact-card{border-radius:30px;background:var(--lime);padding:38px;display:flex;justify-content:space-between;gap:30px}.contact-list p{margin:6px 0}.qr{width:180px;flex:0 0 180px;display:flex;flex-direction:column;gap:8px;align-items:center}.qr img{width:180px;height:180px;object-fit:contain;background:#fff;padding:8px;border-radius:16px}.qr span{font-size:13px}.qr.placeholder{justify-content:center;border:1px dashed #81935e;border-radius:20px;text-align:center;padding:20px;color:#56643c}.foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:30px 0 45px;color:var(--muted);font-size:13px}.article-page{max-width:820px;padding:65px 0}.back{color:var(--green);font-weight:700}.article-page article{margin-top:42px}.article-page h1,.admin-shell h1{font-size:clamp(34px,6vw,64px);line-height:1.15}.summary{font-size:20px;color:var(--muted);border-left:4px solid var(--lime);padding-left:20px}.content{font-size:18px;margin-top:40px}.content p{margin:1.4em 0}.article-meta{color:var(--muted)}.flash{margin-top:18px;padding:12px 18px;border-radius:12px;background:#fff3c4}.admin-shell{padding:55px 0 80px}.admin-shell.narrow{width:min(480px,calc(100% - 32px));margin:auto}.panel{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:30px}.panel h1{font-size:36px;margin-top:0}.form-grid,.form-grid label{display:grid;gap:10px}.form-grid{gap:20px}.panel label{font-weight:700;font-size:14px}.panel input,.panel textarea{width:100%;padding:12px 14px;border:1px solid #cfd5cc;border-radius:10px;background:white;font:inherit}.panel textarea{resize:vertical}.check{display:flex!important;align-items:center}.check input{width:auto}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.admin-top{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.admin-top h1{margin:8px 0 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:16px 12px;border-bottom:1px solid var(--line)}td small{display:block;color:var(--muted)}.badge{padding:5px 9px;border-radius:999px;background:#e9ecd9;font-size:12px}.row-actions{display:flex;gap:12px}.row-actions button{border:0;background:none;color:#a33;cursor:pointer}.qr-preview{width:150px;height:150px;object-fit:contain}.empty{padding:40px;color:var(--muted)}
@media(max-width:760px){.links a:not(.contact){display:none}.hero-grid,.posts{grid-template-columns:1fr}.profile{transform:none}.contact-card,.admin-top{flex-direction:column;align-items:flex-start}.two{grid-template-columns:1fr}.section-head{display:block}.qr{width:100%}h1{font-size:48px}.table-wrap{padding:12px}.row-actions{display:block}.row-actions form{display:inline}}
.content h2,.content h3{font-family:Georgia,"Noto Serif SC",serif;line-height:1.3;margin:1.7em 0 .6em}.content h2{font-size:32px}.content h3{font-size:24px}.content img{display:block;max-width:100%;height:auto;margin:28px auto;border-radius:16px}.content blockquote{margin:24px 0;padding:4px 20px;border-left:4px solid var(--lime);color:var(--muted);background:#f1f1e7}.content pre{overflow:auto;padding:18px;border-radius:14px;background:#19221c;color:#edf4ee}.content code{font-family:Consolas,monospace}.content a{color:var(--green);text-decoration:underline}.editor-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.editor-actions{display:flex;gap:8px;flex-wrap:wrap}.upload-btn{display:inline-block!important;padding:8px 14px;border-radius:999px;background:var(--lime);cursor:pointer}.upload-btn input{display:none}.markdown-help{padding:12px;border-radius:10px;background:#f1f1e7;color:var(--muted);font-size:13px}.markdown-help code{color:var(--ink)}#content-editor{font-family:Consolas,"Microsoft YaHei",monospace;line-height:1.7}.upload-status{min-height:24px;color:var(--green);font-size:14px}.api-docs{max-width:900px}.api-docs h1{margin-bottom:10px}.api-docs h2{margin-top:30px}.api-docs pre{overflow:auto;padding:18px;border-radius:14px;background:#19221c;color:#edf4ee}.token-row{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;overflow:auto}.token-row code{flex:1}.token-row button{border:0;border-radius:999px;padding:8px 14px;background:var(--lime);cursor:pointer}.warning{color:#9a541f}
.post-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(40,65,48,.12);padding-top:18px}.post-bottom .meta{border:0;padding:0}.post-link{padding:9px 15px;border-radius:999px;background:var(--green);color:white;font-size:13px;box-shadow:0 8px 18px rgba(36,76,57,.18)}
.posts{display:flex;grid-template-columns:none;gap:18px;overflow-x:auto;padding:4px 4px 24px;scroll-snap-type:x proximity}.post{flex:0 0 min(390px,85vw);scroll-snap-align:start}.post.featured{background:#e9ecd9;border-color:#a7b77d}.pin{display:inline-block;margin-right:9px;padding:3px 8px;border-radius:999px;background:var(--orange);color:white;font-size:11px;font-weight:800}
.content img{width:100%}
.posts{display:grid;grid-template-columns:1fr;overflow:visible;padding:0;scroll-snap-type:none}.post{width:100%;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:30px}.post-bottom{min-width:150px;border-top:0;padding-top:0;flex-direction:column;align-items:flex-end}
@media(max-width:760px){.post{grid-template-columns:1fr;gap:20px}.post-bottom{width:100%;border-top:1px solid rgba(40,65,48,.12);padding-top:18px;flex-direction:row;align-items:center}}

/* Apple HIG visual system */
:root{--ink:#1d1d1f;--muted:#6e6e73;--paper:#f5f5f7;--card:rgba(255,255,255,.88);--line:rgba(60,60,67,.18);--green:#007aff;--lime:rgba(0,122,255,.10);--orange:#ff9500;--radius:18px;--apple-blue:#007aff;--apple-ease:cubic-bezier(.25,1,.5,1);--apple-shadow:0 8px 24px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04)}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC",sans-serif;background:radial-gradient(circle at 12% -5%,rgba(0,122,255,.09),transparent 34%),var(--paper);color:var(--ink);letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
header{background:rgba(245,245,247,.72);border-bottom:.5px solid rgba(60,60,67,.18);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%)}
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.links a{min-height:44px;display:inline-flex;align-items:center;padding:0 4px;transition:color .25s var(--apple-ease),transform .25s var(--apple-ease)}.links a:active,.btn:active,.post:active{transform:scale(.97)}.links .contact{padding:0 18px;border:0;background:rgba(0,122,255,.10);color:var(--apple-blue);border-radius:999px}
.hero{padding:96px 0 72px}.eyebrow{color:var(--apple-blue);letter-spacing:.06em}.dot{background:var(--apple-blue)}h1{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue","PingFang SC",sans-serif;font-weight:750;letter-spacing:-.045em}.accent{color:var(--apple-blue)}.accent:after{height:11px;background:rgba(0,122,255,.12);border-radius:999px}.lead{color:var(--muted);font-size:20px;line-height:1.55;letter-spacing:-.018em}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;transition:transform .28s var(--apple-ease),filter .2s ease,background-color .2s ease}.primary{background:var(--apple-blue);box-shadow:0 5px 14px rgba(0,122,255,.22)}.secondary{background:rgba(118,118,128,.10);border:0;color:var(--ink)}
.profile{transform:none;background:rgba(255,255,255,.72);color:var(--ink);border:1px solid rgba(255,255,255,.55);border-radius:28px;box-shadow:var(--apple-shadow);backdrop-filter:blur(24px) saturate(170%);-webkit-backdrop-filter:blur(24px) saturate(170%)}.avatar{background:linear-gradient(145deg,#0a84ff,#0066d6);color:white;box-shadow:0 8px 20px rgba(0,122,255,.2)}.profile p{color:var(--muted)}.status{border-color:var(--line);color:var(--muted)}.status i{background:#34c759}
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.contact-card{background:linear-gradient(135deg,rgba(0,122,255,.11),rgba(90,200,250,.08));border:1px solid rgba(255,255,255,.65);box-shadow:var(--apple-shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.qr img{box-shadow:0 4px 16px rgba(0,0,0,.08)}
.panel{background:rgba(255,255,255,.86);border:.5px solid rgba(60,60,67,.14);border-radius:22px;box-shadow:var(--apple-shadow);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%)}.panel input,.panel textarea,.panel select{min-height:44px;border:1px solid rgba(60,60,67,.20);border-radius:12px;background:rgba(255,255,255,.92);transition:border-color .2s ease,box-shadow .2s ease}.panel input:focus,.panel textarea:focus{outline:0;border-color:var(--apple-blue);box-shadow:0 0 0 4px rgba(0,122,255,.12)}.badge{background:rgba(0,122,255,.10);color:var(--apple-blue)}.upload-btn,.token-row button{min-height:40px;display:inline-flex!important;align-items:center;background:rgba(0,122,255,.10);color:var(--apple-blue)}table tr:last-child td{border-bottom:0}
.article-page{max-width:760px}.article-page article{background:rgba(255,255,255,.78);padding:clamp(24px,5vw,56px);border-radius:28px;box-shadow:var(--apple-shadow);border:.5px solid rgba(60,60,67,.12)}.article-page h1{font-size:clamp(36px,6vw,64px)}.summary{border-left:3px solid var(--apple-blue);background:rgba(0,122,255,.06);padding:16px 18px;border-radius:0 12px 12px 0}.content{font-size:17px;line-height:1.75}.content a,.back{color:var(--apple-blue)}.content blockquote{border-color:var(--apple-blue);background:rgba(0,122,255,.06)}
.foot{border-color:rgba(60,60,67,.16)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(prefers-color-scheme:dark){:root{--ink:#f5f5f7;--muted:rgba(235,235,245,.64);--paper:#000;--card:rgba(28,28,30,.82);--line:rgba(84,84,88,.65);--apple-blue:#0a84ff;--green:#0a84ff;--lime:rgba(10,132,255,.18)}body{background:radial-gradient(circle at 12% -5%,rgba(10,132,255,.15),transparent 34%),#000}header{background:rgba(28,28,30,.74);border-color:rgba(84,84,88,.6)}.profile,.panel,.article-page article,.post{background:rgba(28,28,30,.82);border-color:rgba(255,255,255,.10)}.post.featured{background:linear-gradient(110deg,rgba(10,132,255,.20),rgba(28,28,30,.9))}.secondary{background:rgba(118,118,128,.24);color:var(--ink)}.panel input,.panel textarea,.panel select{background:#1c1c1e;color:var(--ink);border-color:rgba(255,255,255,.16)}.contact-card{background:linear-gradient(135deg,rgba(10,132,255,.22),rgba(28,28,30,.9));border-color:rgba(255,255,255,.10)}.content pre,.api-docs pre{background:#1c1c1e}.markdown-help,.content blockquote{background:rgba(10,132,255,.12)}}
@media(max-width:760px){.hero{padding:64px 0 48px}.links{gap:8px}.contact{min-height:44px}.article-page article{border-radius:22px}.post{padding:20px}.foot{flex-direction:column;gap:8px}}
.posts{display:grid;grid-template-columns:1fr;overflow:visible;padding:0;scroll-snap-type:none}.post{width:100%;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:32px;padding:24px 28px;scroll-snap-align:none}.post h3{margin:9px 0 5px}.post p{margin:0;max-width:760px}.post-bottom{min-width:180px;display:flex;flex-direction:column;align-items:flex-end;border:0;padding:0}.post:hover{transform:translateX(5px)}
@media(max-width:760px){.post{grid-template-columns:1fr;gap:18px}.post-bottom{min-width:0;flex-direction:row;align-items:center;border-top:1px solid rgba(40,65,48,.12);padding-top:16px}}