:root{--bg:#f7f7f5;--card:#fff;--ink:#1d1d1f;--muted:#6b6b70;--line:#e6e6e2;--accent:#0a66c2;--chip:#eef4fb;--why:#fff7e6;--whyline:#f0b429}
@media (prefers-color-scheme:dark){:root{--bg:#121214;--card:#1c1c1f;--ink:#ececee;--muted:#a0a0a8;--line:#2c2c31;--accent:#5aa9ff;--chip:#1e2a38;--why:#2a2414;--whyline:#c9952b}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei","Heiti TC",system-ui,sans-serif;line-height:1.75;font-size:17px}
a{color:var(--accent)}
header.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.6rem;padding:.6rem 1rem;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.menu-btn{display:inline-flex;align-items:center;gap:.45rem;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:.38rem .85rem;font:inherit;font-size:.92rem;cursor:pointer}
.menu-btn .bars{display:inline-block;width:16px;height:12px;position:relative}
.menu-btn .bars i{position:absolute;left:0;right:0;height:2px;background:currentColor;border-radius:2px}
.menu-btn .bars i:nth-child(1){top:0}.menu-btn .bars i:nth-child(2){top:5px}.menu-btn .bars i:nth-child(3){top:10px}
.brand{font-weight:700;font-size:.98rem;color:var(--ink);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.drawer{position:fixed;inset:0 auto 0 0;width:min(86vw,360px);background:var(--card);border-right:1px solid var(--line);transform:translateX(-102%);transition:transform .22s ease;z-index:40;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer h2{margin:0;padding:1rem 1.1rem;font-size:1.05rem;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.drawer .close{border:0;background:none;color:var(--muted);font-size:1.5rem;line-height:1;cursor:pointer}
.drawer ul{list-style:none;margin:0;padding:.4rem 0;overflow-y:auto}
.drawer li a{display:block;padding:.7rem 1.1rem;color:var(--ink);text-decoration:none;font-size:.93rem;line-height:1.5;border-bottom:1px solid var(--line)}
.drawer li a .d{display:block;font-size:.78rem;color:var(--muted);font-variant-numeric:tabular-nums}
.drawer li a:hover,.drawer li a.cur{background:var(--chip)}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);opacity:0;pointer-events:none;transition:opacity .2s;z-index:30}
.scrim.open{opacity:1;pointer-events:auto}
main{max-width:760px;margin:0 auto;padding:1.2rem 1rem 3rem}
.hero h1{font-size:1.38rem;line-height:1.45;margin:.4rem 0 .6rem;letter-spacing:.01em}
.hero .meta{color:var(--muted);font-size:.86rem}
.hero p.lede{margin:.7rem 0 0;color:var(--ink);font-size:.98rem}
nav.toc{display:flex;flex-wrap:wrap;gap:.45rem;margin:1rem 0 .4rem}
nav.toc a{background:var(--chip);border-radius:999px;padding:.22rem .8rem;font-size:.86rem;text-decoration:none}
section.sec h2{font-size:1.15rem;margin:2rem 0 .8rem;padding-left:.6rem;border-left:4px solid var(--accent)}
article.item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem;margin:0 0 .9rem}
article.item h3{font-size:1.06rem;line-height:1.5;margin:0 0 .45rem}
article.item h3 .n{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:.35rem;font-weight:600}
article.item p.sum{margin:0 0 .6rem;font-size:.97rem}
article.item p.why{margin:0 0 .6rem;font-size:.92rem;background:var(--why);border-left:3px solid var(--whyline);padding:.45rem .7rem;border-radius:6px}
article.item .src{font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:.25rem .9rem}
article.item .src a{word-break:break-all}
article.item p.who{margin:0 0 .6rem;font-size:.86rem;color:var(--muted);line-height:1.6}
footer .scan{margin:0 0 .5rem;padding:.5rem .75rem;border:1px dashed var(--line);border-radius:8px;color:var(--ink);font-size:.85rem}
footer{max-width:760px;margin:0 auto;padding:0 1rem 2.5rem;color:var(--muted);font-size:.8rem}
@media (min-width:768px){body{font-size:17.5px}.hero h1{font-size:1.7rem}main{padding-top:1.8rem}}

.drawer .dnav{display:flex;gap:.4rem;padding:.6rem 1rem;border-bottom:1px solid var(--line);flex:none}
.drawer .dnav button{flex:1;text-align:center;padding:.45rem .5rem;border-radius:10px;border:1px solid transparent;background:var(--chip);color:var(--accent);font:inherit;font-size:.9rem;font-weight:600;cursor:pointer}
.drawer .dnav button.on{background:var(--accent);color:#fff;box-shadow:0 1px 4px rgba(0,0,0,.18)}
.drawer .dnav button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.drawer .dpanel{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch}
.drawer .dpanel[hidden]{display:none}
.drawer .dpanel ul{overflow:visible}
.drawer .dseg{display:inline-flex;margin:.75rem 1rem .1rem;border:1px solid var(--accent);border-radius:999px;overflow:hidden}
.drawer .dseg a{padding:.2rem .8rem;font-size:13px;line-height:1.5;text-decoration:none;color:var(--accent);white-space:nowrap}
.drawer .dseg a+a{border-left:1px solid var(--accent)}
.drawer .dseg a:hover{background:var(--chip)}
.drawer .dseg a.on{background:var(--accent);color:#fff}
.drawer .dseg a:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.drawer .dtags{display:flex;flex-wrap:wrap;gap:.4rem;padding:.2rem 1rem 1.2rem}
.drawer h3.dh{margin:0;padding:.7rem 1.1rem .3rem;font-size:.82rem;color:var(--muted);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:.35rem;margin:.65rem 0 0}
a.tag,span.tag{display:inline-block;font-size:.78rem;line-height:1.4;padding:.12rem .6rem;border-radius:999px;background:var(--chip);color:var(--accent);text-decoration:none;border:1px solid transparent;white-space:nowrap}
a.tag:hover{border-color:var(--accent)}
a.tag .c{color:var(--muted);margin-left:.25rem;font-variant-numeric:tabular-nums}
a.tag.sel{background:var(--accent);color:#fff}
a.tag.sel .c{color:#dfe8ff}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin:.4rem 0 1rem}
.seg button{border:0;background:var(--card);color:var(--ink);font:inherit;font-size:.9rem;padding:.42rem 1rem;cursor:pointer}
.seg button.on{background:var(--accent);color:#fff}
.cloud{display:flex;flex-wrap:wrap;gap:.45rem}
.cloud a.tag{font-size:.88rem;padding:.25rem .75rem}
.storylist{margin-top:1.2rem}
.storylist h2{font-size:1.05rem;margin:0 0 .6rem}
.storylist .st{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:.7rem .9rem;margin:0 0 .6rem}
.storylist .st .d{font-size:.78rem;color:var(--muted)}
.storylist .st a.t{display:block;color:var(--ink);font-weight:600;text-decoration:none;line-height:1.5}
.storylist .st a.t:hover{color:var(--accent)}
.graphwrap{position:relative;border:1px solid var(--line);border-radius:14px;background:var(--gbg);overflow:hidden;height:max(520px,72vh);--gbg:#f6f6f8;--glabel:#6e6e78;--ginfo:#7a7a84;--gbtn:#ffffffd9}
@media (prefers-color-scheme:dark){.graphwrap{--gbg:#1e1e21;--glabel:#a9a9b3;--ginfo:#8e8e98;--gbtn:#2a2a2fd9}}
.graphwrap svg{width:100%;height:100%;touch-action:none;display:block;cursor:grab;user-select:none;-webkit-user-select:none}
.graphwrap svg:active{cursor:grabbing}
.graphwrap .glabel{fill:var(--glabel);font-weight:400;pointer-events:none;transition:opacity .15s}
.graphwrap .glabel.on{fill:var(--ink);font-weight:600}
.graphwrap svg g[data-id]{transition:opacity .15s}
.graphwrap svg line{transition:opacity .15s}
.graphwrap .info{position:absolute;left:.7rem;top:.55rem;right:.7rem;font-size:.8rem;color:var(--ginfo);pointer-events:none;line-height:1.45}
.graphwrap .zoom{position:absolute;right:.5rem;bottom:.5rem;display:flex;flex-direction:column;gap:.3rem}
.graphwrap .zoom button{width:2.1rem;height:2.1rem;border-radius:50%;border:1px solid var(--line);background:var(--gbtn);color:var(--ink);font-size:1.1rem;cursor:pointer}
.graphwrap .glegend{position:absolute;left:.7rem;bottom:.6rem;display:flex;align-items:center;gap:.4rem;font-size:.72rem;color:var(--ginfo);pointer-events:none}
.graphwrap .glegend i{display:inline-block;width:5.5rem;height:.45rem;border-radius:999px}
.hint{font-size:.8rem;color:var(--muted);margin:.4rem 0 0}
/* Podcast 重點 */
article.item.pod p.pmeta{margin:0 0 .35rem;font-size:.84rem;color:var(--muted)}
article.item.pod p.pmeta strong{color:var(--ink)}
article.item.pod p.ep{margin:0 0 .55rem;font-size:.84rem;color:var(--muted);font-style:italic}
article.item.pod p.gist{font-weight:600}
article.item.pod ul.pts{margin:0 0 .6rem;padding-left:1.2rem;font-size:.95rem}
article.item.pod ul.pts li{margin:0 0 .3rem}
article.item.pod p.pnote{margin:0 0 .55rem;font-size:.86rem;background:var(--why);border-left:3px solid var(--whyline);padding:.35rem .7rem;border-radius:6px}
section.sec p.empty{background:var(--card);border:1px dashed var(--line);border-radius:14px;padding:.9rem 1.1rem;color:var(--muted);margin:0 0 .9rem}
section.sec p.pcheck{font-size:.8rem;color:var(--muted);margin:.2rem 0 0}
/* tags page: graph breaks out of the 760px column (≈95vw, max 1400px) */
#graphView{width:min(95vw,1400px);margin-left:calc(50% - min(47.5vw,700px))}
#graphView .hint{max-width:760px;margin-left:auto;margin-right:auto;padding:0 1rem}
@media (max-width:767px){#graphView{width:calc(100vw - 12px);margin-left:calc(50% - 50vw + 6px)}#graphView .graphwrap{height:min(60vh,560px);border-radius:12px}}
.graphwrap svg g[data-id]{cursor:pointer}
.storylist .sthead{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap;margin:0 0 .3rem}
.storylist .sthead h2{margin:0}
.storylist .sortc{font-size:.82rem;color:var(--muted);display:inline-flex;align-items:center;gap:.35rem;margin-left:auto}
.storylist .sortc select{font:inherit;font-size:.84rem;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.25rem .45rem}
.storylist .backg{border:0;background:none;color:var(--accent);font:inherit;font-size:.82rem;padding:0;margin:0 0 .7rem;cursor:pointer}
/* 繁／简 toggle (top-right of the sticky header) */
.zh-btn{margin-left:auto;flex:none;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:.3rem .8rem;font:inherit;font-size:.84rem;font-weight:600;line-height:1.3;cursor:pointer;white-space:nowrap}
.zh-btn:hover{border-color:var(--accent);color:var(--accent)}
.zh-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.zh-btn[aria-pressed="true"]{background:var(--chip);color:var(--accent);border-color:var(--accent)}