/* page2.php 专用样式 — PJAX 兼容 */
.wrap{width:100%;max-width:720px;margin:0 auto;padding:1rem clamp(12px,3vw,20px) clamp(60px,6vw,80px);display:flex;flex-direction:column;gap:clamp(16px,2vw,24px)}
.post-top-card{background:#fff;border-radius:clamp(18px,3vw,32px);padding:clamp(18px,5vw,36px) clamp(14px,4vw,32px);box-shadow:0 8px 30px rgba(0,0,0,.04);position:relative;overflow:hidden;animation:cardUp .5s ease both;transition:box-shadow .3s}
.post-top-card:hover{box-shadow:0 12px 40px rgba(0,0,0,.08)}
@keyframes cardUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.post-top-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(#e8ebf3 1px,transparent 1px);background-size:20px 20px;opacity:.3;pointer-events:none}
.story-watermark{position:absolute;top:clamp(20px,3vw,32px);right:clamp(20px,3vw,32px);opacity:.12;text-align:center}
.story-watermark svg{width:clamp(40px,6vw,60px);height:clamp(38px,5vw,50px);fill:#222}
.story-watermark span{display:block;font-size:clamp(16px,3vw,22px);margin-top:4px;letter-spacing:2px}
.date-badge{background:#1C1C1E;color:#fff;border-radius:99px;padding:8px 16px;display:inline-flex;align-items:center;gap:8px;font-size:clamp(16px,3vw,22px);font-weight:500;margin-bottom:clamp(20px,2vw,28px);transition:all .35s cubic-bezier(.25,.8,.25,1.2);animation:pillIn .5s .1s ease both}
.date-badge:hover{background:#FFD43B;color:#1C1C1E;transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,212,59,.4)}
@keyframes pillIn{from{opacity:0;transform:translateX(-12px)}to{opacity:1;transform:translateX(0)}}
.date-badge .diamond{font-size:clamp(14px,2.5vw,18px);opacity:.8}
.date-badge .day-ring{display:inline-flex;align-items:center;justify-content:center;width:clamp(22px,3vw,28px);height:clamp(22px,3vw,28px);border:1.5px solid rgba(255,255,255,.35);border-radius:50%;font-size:clamp(12px,2vw,14px);font-weight:500;margin-left:2px}
.post-title{font-size:clamp(24px,5vw,40px);font-weight:600;color:#111318;line-height:1.2;padding-bottom:clamp(16px,2vw,24px);border-bottom:1px solid #e5e7ec;margin-bottom:clamp(20px,2vw,28px);user-select:none;-webkit-user-select:none}
.author-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:clamp(24px,3vw,32px);flex-wrap:wrap;gap:12px}
.author-left{display:flex;align-items:center;gap:12px}
.avatar{width:clamp(40px,5vw,52px);height:clamp(40px,5vw,52px);border-radius:50%;background:#eef1f8;display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0}
.avatar img{width:100%;height:100%;object-fit:cover}
.author-info .nickname{font-size:clamp(18px,3vw,24px);font-style:italic;color:#222}
.author-info .publish-info{font-size:clamp(14px,2.5vw,18px);color:#666a73;margin-top:2px}
.day-badge{background:#1C1C1E;color:#fff;border-radius:99px;padding:clamp(8px,1.5vw,10px) clamp(16px,2vw,24px);font-size:clamp(16px,2.5vw,24px);display:flex;align-items:center;gap:clamp(6px,1vw,10px);transition:transform .3s;flex-shrink:0}
.day-badge:hover{transform:scale(1.04)}
.day-badge .heart{color:#ff72b6;animation:heartPop 1.5s ease-in-out infinite}
@keyframes heartPop{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
.day-badge .day-count{color:#ff72b6;font-weight:bold}
.stats-bar{display:flex;gap:clamp(8px,1.5vw,12px);flex-wrap:wrap;align-items:center}
.stats-item{display:flex;align-items:center;gap:6px;background:#f2f4f8;padding:clamp(6px,1vw,8px) clamp(10px,1.5vw,14px);border-radius:99px;font-size:clamp(13px,2vw,16px);color:#555860;transition:all .2s}
.stats-item:hover{background:#e8ebf0}
.weather-chip,.mood-chip{display:inline-flex;align-items:center;gap:6px;padding:clamp(6px,1vw,8px) clamp(10px,1.5vw,14px);background:#f2f4f8;border-radius:99px;line-height:1;transition:all .2s;flex-shrink:0;font-size:clamp(13px,2vw,16px);color:#555860}
.weather-chip:hover,.mood-chip:hover{background:#e8ebf0}
.chip-icon-wrap{width:1.2rem;height:1.2rem;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 0 0 1.5px #fff,0 1px 4px rgba(0,0,0,.12);overflow:hidden}
.weather-img,.mood-img{width:100%;height:100%;display:block;object-fit:cover;border-radius:50%}
.weather-text,.mood-text{font-size:inherit;color:inherit}
.post-content-card{background:#fff;border-radius:16px;padding:clamp(14px,3vw,32px) clamp(10px,2vw,24px);box-shadow:0 2px 8px rgba(0,0,0,.06);animation:cardUp .5s .15s ease both;transition:box-shadow .3s}
.post-content-card:hover{box-shadow:0 6px 24px rgba(0,0,0,.1)}
.font-switch-bar{display:flex;align-items:center;justify-content:space-between;gap:clamp(8px,1.5vw,14px);margin-bottom:clamp(24px,3vw,36px);animation:cardUp .5s .2s ease both;flex-wrap:wrap}
.read-guide{display:flex;align-items:center;gap:6px;color:#999;font-size:clamp(13px,2vw,15px);flex-shrink:0}
.read-time{font-size:clamp(14px,2.2vw,18px);color:#999;flex-shrink:0}
.font-btn-group{display:flex;gap:6px}
.font-btn{padding:8px 18px;border-radius:99px;border:none;background:#f2f4f8;font-size:clamp(14px,2vw,16px);cursor:pointer;color:#555;transition:all .2s;font-family:inherit}
.font-btn:active{transform:scale(.95)}
.font-btn.active{background:#1C1C1E;color:#fff}
.article-body{font-size:clamp(16px,2.5vw,20px);line-height:1.8;color:#222;padding-bottom:clamp(24px,3vw,40px);border-bottom:1px solid #e5e7ec;margin-bottom:clamp(20px,2vw,30px);word-wrap:break-word;user-select:none;-webkit-user-select:none}
.article-body p{margin-bottom:.8em}
.article-body img{max-width:100%;border-radius:8px;margin:.8rem 0}
.article-body h1,.article-body h2,.article-body h3{margin:.8em 0 .4em;line-height:1.4}
.article-body blockquote{border-left:3px solid #1C1C1E;padding:.4em 1em;margin:.6em 0;color:#777;background:#f7f8fc;border-radius:0 8px 8px 0}
.d-acts{display:flex;justify-content:center;gap:clamp(1.5rem,2vw,3rem);padding:.5rem 0}
.d-acts button{display:inline-flex;flex-direction:column;align-items:center;gap:.2rem;background:none;border:none;cursor:pointer;color:#B0A8A0;font-size:clamp(.7rem,1.5vw,.8rem);font-family:inherit;transition:all .25s;outline:none;padding:.4rem}
.d-acts button i{font-size:clamp(1.1rem,2vw,1.3rem)}
.d-acts button:hover{color:#E8A090}
.d-acts button.active{color:#E57373}
.d-acts button.active i{font-weight:900}
.d-acts button.liked{animation:hb .4s ease}
@keyframes hb{0%{transform:scale(1)}25%{transform:scale(1.3)}50%{transform:scale(.9)}100%{transform:scale(1)}}
.d-stats{display:flex;justify-content:center;gap:2rem;padding:.3rem 0 .8rem;font-size:clamp(.7rem,1.5vw,.8rem);color:#B0A8A0}
.page-nav{display:flex;justify-content:space-between;gap:clamp(10px,1.5vw,20px);margin-top:clamp(16px,2vw,20px)}
.nav-item{width:48%;padding:clamp(14px,2vw,20px);background:#f7f8fc;border-radius:14px;cursor:pointer;transition:all .25s cubic-bezier(.25,.8,.25,1.2);text-decoration:none;display:block}
.nav-item:hover{background:#eef1f8;transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.06)}
.nav-item:active{transform:scale(.97)}
.nav-item.na{opacity:.35;pointer-events:none}
.nav-top-text{display:flex;align-items:center;gap:6px;color:#666;font-size:clamp(14px,2vw,16px);margin-bottom:8px}
.nav-title{font-size:clamp(15px,2vw,18px);color:#222;margin-bottom:4px;font-weight:600}
.nav-author-date{font-size:clamp(13px,1.8vw,14px);color:#777}
.back-link{text-align:center;padding:.5rem}
.back-link a{display:inline-block;padding:.4rem 1.2rem;border-radius:2rem;border:1px solid #E5E0DA;color:#8A8480;font-size:clamp(.75rem,1.5vw,.85rem);text-decoration:none;transition:all .2s}
.back-link a:hover{background:#f2f4f8;color:#555}
.md-viewer-wrap{width:100%;max-width:100%;margin:0}
.md-preview{padding:20px 0;font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei",sans-serif;color:#24292e;line-height:1.85;font-size:15px;word-wrap:break-word}
.md-preview h1{font-size:1.8em;border-bottom:2px solid #eaecef;padding-bottom:.3em;margin:24px 0 16px;font-weight:600}
.md-preview h2{font-size:1.45em;border-bottom:1px solid #eaecef;padding-bottom:.25em;margin:22px 0 14px;font-weight:600}
.md-preview h3{font-size:1.2em;margin:18px 0 12px;font-weight:600}
.md-preview h4{font-size:1.1em;margin:14px 0 8px;font-weight:600}
.md-preview p{margin:0 0 14px}
.md-preview a{color:#0366d6}
.md-preview img,.md-preview video{max-width:100%;border-radius:6px;margin:8px 0;display:block}
.md-preview blockquote{margin:0 0 16px;padding:8px 16px;border-left:3px solid #dfe2e5;color:#6a737d;background:#f9f9f9;border-radius:0 6px 6px 0}
.md-preview code{background:#f0f0f0;padding:2px 6px;border-radius:3px;font-size:87%;font-family:"SFMono-Regular",Consolas,monospace}
.md-preview pre{display:block !important;background:#f6f8fa;padding:16px;border-radius:8px;overflow-x:auto;margin:0 0 16px;border:1px solid #e8e8e8}
.md-preview pre code{background:none;padding:0;font-size:13px;line-height:1.6}
.md-preview table{border-collapse:collapse;margin:0 0 16px;width:100%}
.md-preview table th,.md-preview table td{border:1px solid #dfe2e5;padding:8px 13px;text-align:left}
.md-preview table th{background:#f6f8fa;font-weight:600}
.md-preview table tr:nth-child(even){background:#fafbfc}
.md-preview ul,.md-preview ol{padding-left:2em;margin:0 0 16px}
.md-preview li{margin:3px 0}
.md-preview li>input[type="checkbox"]{margin-right:6px;pointer-events:none}
.md-preview hr{border:0;height:2px;background:#e1e4e8;margin:24px 0}
.md-preview nav.toc{background:#f8f9fa;border:1px solid #e8e8e8;border-radius:8px;padding:14px 18px;margin:0 0 20px;font-size:14px}
.md-preview nav.toc::before{content:'📑 目录';display:block;font-weight:600;margin-bottom:10px;font-size:15px;color:#333}
.md-preview nav.toc ul{list-style:none;padding-left:0;margin:0}
.md-preview nav.toc li{margin:3px 0}
.md-preview nav.toc a{color:#0366d6}
.md-preview .footnotes{border-top:2px solid #eaecef;margin-top:32px;padding-top:16px;font-size:13px;color:#777}
.md-preview .footnotes ol{padding-left:1.5em}
.md-preview .mermaid{text-align:center;margin:16px 0;padding:10px;background:#fff;border-radius:8px;overflow-x:auto}
.md-preview .mermaid svg{max-width:100%;height:auto}
.md-preview .katex-display{margin:16px 0;overflow-x:auto;overflow-y:hidden}
.md-preview .katex{font-size:1.1em}
.md-preview pre code.hljs{display:block !important;overflow-x:auto !important;padding:1em !important;background:transparent !important}
.md-preview pre code.hljs .hljs-keyword,
.md-preview pre code.hljs .hljs-string,
.md-preview pre code.hljs .hljs-number,
.md-preview pre code.hljs .hljs-comment,
.md-preview pre code.hljs .hljs-built_in,
.md-preview pre code.hljs .hljs-function,
.md-preview pre code.hljs .hljs-title,
.md-preview pre code.hljs .hljs-params,
.md-preview pre code.hljs .hljs-literal,
.md-preview pre code.hljs .hljs-type,
.md-preview pre code.hljs .hljs-attr,
.md-preview pre code.hljs .hljs-variable,
.md-preview pre code.hljs .hljs-operator,
.md-preview pre code.hljs .hljs-punctuation,
.md-preview pre code.hljs .hljs-property,
.md-preview pre code.hljs .hljs-tag,
.md-preview pre code.hljs .hljs-name,
.md-preview pre code.hljs .hljs-selector-tag,
.md-preview pre code.hljs .hljs-selector-class,
.md-preview pre code.hljs .hljs-selector-id,
.md-preview pre code.hljs .hljs-quote,
.md-preview pre code.hljs .hljs-template-tag,
.md-preview pre code.hljs .hljs-template-variable,
.md-preview pre code.hljs .hljs-deletion,
.md-preview pre code.hljs .hljs-addition{background:transparent !important}
.video-container{position:relative;max-width:100%;margin:18px 0;border-radius:6px;overflow:hidden;line-height:0;display:block;box-shadow:0 4px 8px 0 rgb(28 31 33 / 15%);border:1px solid rgba(208,206,206,0.6);-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
.video-container video{width:100%;height:auto;display:block;border-radius:6px;outline:none;-webkit-user-select:none;user-select:none;pointer-events:none}
.video-protect-overlay{position:absolute;top:0;left:0;right:0;bottom:0;z-index:2;background:transparent;-webkit-touch-callout:none}
.play-pause-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background-color:rgba(255,255,255,.48);display:flex;justify-content:center;align-items:center;cursor:pointer;opacity:1;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 6px 20px rgba(122,122,122,.35);z-index:3}
.play-pause-btn svg{width:2rem;height:2rem;fill:#fff;margin-left:5px;filter:drop-shadow(rgba(0,0,0,.3) 10px 10px 15px)}
@media(max-width:640px){.font-switch-bar{flex-wrap:wrap;justify-content:center;gap:8px}}