:root{--paper:#fff;--ink:#1f2329;--muted:#646a73;--line:#e4e6ea;--soft:#f5f6f8;--accent:#2445d6;--accent-soft:#eef1fd;--radius:6px;
--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif}
@media (prefers-color-scheme:dark){:root{--paper:#15171b;--ink:#e8eaed;--muted:#9aa0a8;--line:#2a2e35;--soft:#1d2025;--accent:#8196ff;--accent-soft:#1f2540}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--sans);font-feature-settings:"tnum"}
a{color:inherit;text-decoration-color:var(--line);text-underline-offset:3px}
a:hover{color:var(--accent);text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
.read{max-width:720px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* 顶栏 */
.top{border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:24px;height:56px}
.brand{font-weight:700;text-decoration:none;font-size:15px}
.brand b{display:inline-block;width:18px;height:18px;border-radius:4px;background:var(--accent);vertical-align:-3px;margin-right:8px}
.nav{display:flex;gap:20px;margin-left:auto;font-size:14px}
.nav a{text-decoration:none;color:var(--muted);white-space:nowrap}
.brand{white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
/* 首页首屏 */
.hero{padding:72px 0 48px}
.hero h1{font-size:40px;line-height:1.2;margin:0 0 16px;letter-spacing:-.01em}
.hero p{margin:0 0 28px;color:var(--muted);font-size:17px;max-width:34em}
.search{position:relative;max-width:560px}
.search input{width:100%;height:52px;padding:0 16px;font:inherit;font-size:17px;color:var(--ink);background:var(--paper);border:1.5px solid var(--ink);border-radius:var(--radius)}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.results{list-style:none;margin:6px 0 0;padding:6px;position:absolute;left:0;right:0;z-index:5;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 24px rgba(20,24,40,.08)}
.results:empty{display:none}
.results a{display:block;padding:8px 10px;border-radius:4px;text-decoration:none}
.results a:hover,.results a.on{background:var(--soft)}
.results small{display:block;color:var(--muted);font-size:13px}
.quick{display:flex;flex-wrap:wrap;gap:20px;margin-top:18px;font-size:15px}
.quick a,.quick button{color:var(--accent);background:none;border:0;padding:0;font:inherit;cursor:pointer;text-decoration:underline;text-decoration-color:var(--accent-soft);text-underline-offset:4px}
/* 区块 */
section{padding:40px 0;border-top:1px solid var(--line)}
section h2{font-size:22px;margin:0 0 20px;line-height:1.3}
/* 类别索引 */
.cats{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.cat{padding:18px 0;border-bottom:1px solid var(--line)}
.cat h3{margin:0;font-size:18px;display:flex;align-items:baseline;gap:10px}
.cat h3 a{text-decoration:none}
.cat h3 span{font-size:13px;font-weight:400;color:var(--muted)}
.cat p{margin:4px 0 10px;color:var(--muted);font-size:14px}
.cat ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px}
.cat li span{color:var(--muted);font-size:12px;margin-left:3px}
/* 读数：性价比、证据、成本 */
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:13px;color:var(--muted);margin:6px 0 10px}
.ratio{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600}
.pips{display:inline-flex;gap:2px}
.pips i{width:7px;height:14px;border-radius:2px;background:var(--line)}
.r3 .pips i,.r2 .pips i:nth-child(-n+2),.r1 .pips i:first-child{background:var(--accent)}
.grade{display:inline-block;min-width:20px;padding:0 6px;border-radius:3px;text-align:center;font-weight:600;font-size:12px;line-height:20px}
.g-A{background:var(--ink);color:var(--paper)}
.g-B{border:1px solid var(--ink);color:var(--ink);line-height:18px}
.g-C{border:1px dashed var(--muted);line-height:18px}
.cost{display:inline-flex;gap:12px}
.m{display:inline-flex;align-items:center;gap:4px}
.m b{display:inline-flex;gap:2px}
.m b::before,.m b::after{content:"";width:6px;height:6px;border:1px solid var(--muted);border-radius:1px}
.m .l1::before,.m .l2::before,.m .l2::after{background:var(--muted)}
.dispute{color:#b4541a}
@media (prefers-color-scheme:dark){.dispute{color:#f0a36b}}
/* 条目 */
.entry{padding:24px 0;border-bottom:1px solid var(--line)}
.entry h2,.entry h3{font-size:18px;line-height:1.45;margin:0;display:flex;gap:10px}
.entry .n{color:var(--muted);font-weight:400;min-width:1.6em}
.entry .human{margin:0}
details{margin-top:10px}
summary{cursor:pointer;color:var(--muted);font-size:14px;width:max-content}
summary:hover{color:var(--ink)}
dl{margin:10px 0 0;font-size:15px}
dt{font-weight:600;margin-top:12px}
dd{margin:2px 0 0}
dd ol{margin:4px 0;padding-left:1.4em;font-size:14px;color:var(--muted);word-break:break-all}
.acts{display:flex;gap:8px;margin-top:14px}
.acts button{font:inherit;font-size:14px;height:32px;padding:0 14px;border-radius:16px;border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.acts button:hover{border-color:var(--ink)}
.acts button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.acts button[data-act=fav][aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}
/* 章节页 */
.crumb{font-size:14px;color:var(--muted);padding:28px 0 0}
.crumb a{color:var(--muted)}
.ch-head{padding:12px 0 24px}
.ch-head h1{font-size:32px;line-height:1.25;margin:0 0 12px}
.ch-head .stat{color:var(--muted);font-size:14px;margin:0 0 16px}
.intro p{margin:0 0 12px;font-size:15px}
.intro a{color:var(--accent)}
.intro details{margin:4px 0 12px}.intro details p{margin:10px 0 0}
.filters{position:sticky;top:0;z-index:4;background:var(--paper);border-bottom:1px solid var(--line);padding:12px 0;display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px}
.fg{display:flex;align-items:center;gap:6px}
.fg>span{color:var(--muted);margin-right:2px}
.chip{font:inherit;font-size:13px;height:28px;padding:0 10px;border-radius:14px;border:1px solid var(--line);background:none;color:var(--ink);cursor:pointer}
.chip[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.count{margin-left:auto;color:var(--muted)}
.legend{font-size:13px;color:var(--muted);margin:14px 0 0}
.empty{padding:40px 0;color:var(--muted)}
/* 今日一条 / 进度 */
.today{padding:20px 24px;background:var(--soft);border-radius:var(--radius)}
.today .from{font-size:13px;color:var(--muted);margin:0 0 6px}
.prog{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pg{font-size:14px}
.pg strong{display:block;font-size:15px}
.bar{height:6px;border-radius:3px;background:var(--line);margin-top:6px;overflow:hidden;display:flex}
.bar i{background:var(--accent)}
.bar i+i{background:var(--accent);opacity:.35}
footer{border-top:1px solid var(--line);padding:32px 0 48px;font-size:13px;color:var(--muted)}
footer p{margin:0 0 6px}
@media (max-width:720px){
 .hero{padding:44px 0 32px}.hero h1{font-size:30px}.cats{grid-template-columns:1fr}.prog{grid-template-columns:1fr 1fr}
 .ch-head h1{font-size:26px}.count{margin-left:0;width:100%}.nav{gap:14px}.nav a:last-child{display:none}.top .wrap{gap:12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* 公共：只在部分模板出现的元素 */
.cat .dist,.cat .dist-note,.cat li .no{display:none}

/* ===== t2 数据面板 ===== */
[data-theme=t2]{--paper:#fff;--canvas:#f2f4f5;--ink:#1d2a30;--muted:#5f6b72;--line:#dfe3e6;--soft:#f2f4f5;--accent:#0e7c6b;--accent-soft:#e3f2ef;--radius:8px}
@media (prefers-color-scheme:dark){[data-theme=t2]{--paper:#1b2227;--canvas:#12171a;--ink:#e4e9eb;--muted:#93a0a6;--line:#2b353b;--soft:#222b30;--accent:#3cc0a8;--accent-soft:#183a35}}
[data-theme=t2] body{background:var(--canvas)}
[data-theme=t2] .top{background:#1d2a30;border:0}
[data-theme=t2] .top .brand,[data-theme=t2] .top .nav a{color:#e4e9eb}
[data-theme=t2] .top .nav a{opacity:.7}[data-theme=t2] .top .nav a:hover,[data-theme=t2] .top .nav a[aria-current]{opacity:1;color:#fff}
[data-theme=t2] .brand b{background:#3cc0a8}
[data-theme=t2] .hero{padding:40px 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:12px 40px;align-items:end}
[data-theme=t2] .hero h1{font-size:30px;margin:0}
[data-theme=t2] .hero p{margin:0;font-size:15px;grid-row:2}
[data-theme=t2] .hero .search{grid-column:2;grid-row:1/3;max-width:none}
[data-theme=t2] .hero .quick{grid-column:1/3}
[data-theme=t2] section{border:0;padding:12px 0 28px}
[data-theme=t2] section h2{font-size:15px;color:var(--muted);font-weight:600;margin-bottom:12px}
[data-theme=t2] .cats{grid-template-columns:repeat(3,1fr);gap:14px}
[data-theme=t2] .cat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
[data-theme=t2] .cat h3{justify-content:space-between}
[data-theme=t2] .cat .dist{display:flex;height:8px;border-radius:4px;overflow:hidden;margin:4px 0 6px;background:var(--line)}
[data-theme=t2] .cat .dist i{display:block}
[data-theme=t2] .cat .dist i:nth-child(1){background:var(--accent)}
[data-theme=t2] .cat .dist i:nth-child(2){background:var(--accent);opacity:.45}
[data-theme=t2] .cat .dist-note{display:block;font-size:12px;color:var(--muted);margin-bottom:10px}
[data-theme=t2] .cat ul{flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:10px}
[data-theme=t2] .cat li{display:flex;justify-content:space-between}
[data-theme=t2] .today{background:var(--paper);border:1px solid var(--line)}
[data-theme=t2] .read{max-width:960px}
[data-theme=t2] .ch-head{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:12px}
[data-theme=t2] .filters{background:var(--canvas);border:0}
[data-theme=t2] .entry{display:grid;grid-template-columns:minmax(0,1fr) 200px;grid-template-areas:"h m" "p m" "d m" "a m";align-content:start;gap:6px 24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:0 0 12px}
[data-theme=t2] .entry>h2,[data-theme=t2] .entry>h3{grid-area:h}
[data-theme=t2] .entry .meta{grid-area:m;flex-direction:column;align-items:flex-start;gap:8px;margin:0;padding-left:18px;border-left:1px solid var(--line)}
[data-theme=t2] .entry .cost{gap:10px}
[data-theme=t2] .entry .human{grid-area:p}
[data-theme=t2] .entry details{grid-area:d}
[data-theme=t2] .entry .acts{grid-area:a;margin-top:8px}
[data-theme=t2] .entry .meta{align-self:start}
[data-theme=t2] .dl-row{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px}
[data-theme=t2] footer{border:0}
@media (max-width:720px){
 [data-theme=t2] .hero{grid-template-columns:1fr}[data-theme=t2] .hero .search{grid-column:1;grid-row:auto}[data-theme=t2] .hero .quick{grid-column:1}
 [data-theme=t2] .cats{grid-template-columns:1fr}
 [data-theme=t2] .entry{grid-template-columns:1fr;grid-template-areas:"h" "m" "p" "d" "a"}
 [data-theme=t2] .entry .meta{flex-direction:row;flex-wrap:wrap;border:0;padding:0}[data-theme=t2] .entry .cost{flex-direction:row}
 [data-theme=t2] .entry .acts{padding:0}
}

/* ===== t3 阅读手册 ===== */
[data-theme=t3]{--paper:#fbfbf9;--ink:#23211d;--muted:#6e6a63;--line:#e6e3dd;--soft:#f3f1ec;--accent:#8a2f55;--accent-soft:#f5e9ee;--radius:2px;
 --serif:"Songti SC","STSong","Noto Serif SC","Noto Serif CJK SC","Source Han Serif SC",serif}
@media (prefers-color-scheme:dark){[data-theme=t3]{--paper:#1a1918;--ink:#e9e6e0;--muted:#a19c93;--line:#33302c;--soft:#24221f;--accent:#e38bb0;--accent-soft:#3a2430}}
[data-theme=t3] h1,[data-theme=t3] h2,[data-theme=t3] h3,[data-theme=t3] .brand{font-family:var(--serif)}
[data-theme=t3] .human,[data-theme=t3] .intro p,[data-theme=t3] dd{font-family:var(--serif);line-height:1.95}
[data-theme=t3] .brand b{border-radius:50%;background:var(--accent)}
[data-theme=t3] .top{border-bottom-color:transparent}
[data-theme=t3] .hero{text-align:center;padding:88px 0 56px}
[data-theme=t3] .hero h1{font-size:46px;font-weight:700;letter-spacing:.06em}
[data-theme=t3] .hero p{margin-left:auto;margin-right:auto;font-size:16px}
[data-theme=t3] .hero .search{margin:0 auto}
[data-theme=t3] .search input{border-width:0 0 1.5px;border-radius:0;text-align:center;background:transparent}
[data-theme=t3] .search input:focus{box-shadow:none}
[data-theme=t3] .hero .quick{justify-content:center}
[data-theme=t3] section{max-width:760px;margin:0 auto;border-top:0}
[data-theme=t3] section h2{text-align:center;font-size:20px;letter-spacing:.1em;margin-bottom:28px}
[data-theme=t3] .cats{grid-template-columns:1fr;gap:0}
[data-theme=t3] .cat{display:grid;grid-template-columns:150px 1fr;gap:0 24px;border:0;padding:20px 0;border-top:1px solid var(--line)}
[data-theme=t3] .cat h3{flex-direction:column;align-items:flex-start;gap:2px;grid-row:1/3}
[data-theme=t3] .cat p{grid-column:2;margin-top:0}
[data-theme=t3] .cat ul{grid-column:2;flex-direction:column;gap:2px;font-size:15px}
[data-theme=t3] .cat li{display:flex;align-items:baseline;gap:8px}
[data-theme=t3] .cat li .no{display:inline;color:var(--muted);font-size:13px;min-width:4em}
[data-theme=t3] .cat li a{text-decoration:none}
[data-theme=t3] .cat li::after{content:"";order:2;flex:1;border-bottom:1px dotted var(--muted);opacity:.5;transform:translateY(-4px)}
[data-theme=t3] .cat li span:last-child{order:3}
[data-theme=t3] .today{background:transparent;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);border-radius:0;padding:24px 0}
[data-theme=t3] #today-sec .quick{justify-content:center}
[data-theme=t3] .ch-head{text-align:left;padding-top:24px}
[data-theme=t3] .ch-head h1{font-size:36px}
[data-theme=t3] .entry{display:grid;grid-template-columns:56px minmax(0,1fr);border-bottom:0;border-top:1px solid var(--line)}
[data-theme=t3] .entry>*{grid-column:2}
[data-theme=t3] .entry>h2,[data-theme=t3] .entry>h3{grid-column:1/3;display:grid;grid-template-columns:56px 1fr;gap:0}
[data-theme=t3] .entry .n{font-family:var(--serif);font-size:30px;line-height:1;color:var(--accent);font-weight:400}
[data-theme=t3] .acts button{border-radius:2px}
[data-theme=t3] .chip{border-radius:2px}
[data-theme=t3] .dl-row{border-top:1px solid var(--line)}
[data-theme=t3] footer{text-align:center;border-top:0}
@media (max-width:720px){
 [data-theme=t3] .hero h1{font-size:32px}
 [data-theme=t3] .cat{grid-template-columns:1fr}[data-theme=t3] .cat h3{grid-row:auto;flex-direction:row;align-items:baseline;gap:8px}
 [data-theme=t3] .cat p,[data-theme=t3] .cat ul{grid-column:1}
 [data-theme=t3] .entry{grid-template-columns:40px minmax(0,1fr)}[data-theme=t3] .entry>h2{grid-template-columns:40px 1fr}
}

/* 下载页（三模板共用骨架） */
.dl-list{margin:8px 0 24px}
.dl-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 24px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.dl-row h2{font-size:18px;margin:0;display:flex;align-items:baseline;gap:10px}
.dl-row h2 span{font-size:13px;font-weight:400;color:var(--muted)}
.dl-row p{margin:0;color:var(--muted);font-size:14px;grid-column:1}
.dl-row .go{grid-column:2;grid-row:1/3;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.btn{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--radius);background:var(--accent);color:#fff;text-decoration:none;font-size:15px;font-weight:600}
.btn:hover{color:#fff;filter:brightness(1.08)}
.alt{font-size:12px;color:var(--muted)}
.notes{font-size:14px;color:var(--muted)}
.notes li{margin:4px 0}
@media (max-width:720px){.dl-row{grid-template-columns:1fr}.dl-row .go{grid-column:1;grid-row:auto;flex-direction:row;align-items:center;margin-top:8px}}

/* 模板切换器（仅预览） */
.tpl{position:fixed;right:16px;bottom:16px;z-index:50;display:flex;gap:4px;padding:4px;background:#fff;border:1px solid #d8dbe0;border-radius:10px;box-shadow:0 6px 20px rgba(0,0,0,.12);font:13px/1 -apple-system,"PingFang SC",sans-serif}
.tpl button{border:0;background:none;padding:8px 12px;border-radius:7px;cursor:pointer;color:#333;display:flex;align-items:center;gap:6px}
.tpl button i{width:10px;height:10px;border-radius:50%}
.tpl button[aria-pressed=true]{background:#1f2329;color:#fff}

.looks{display:flex;align-items:center;gap:4px;margin-top:12px;flex-wrap:wrap}
.looks span{margin-right:6px}
.looks button{font:inherit;font-size:12px;height:26px;padding:0 10px;border-radius:13px;border:1px solid var(--line);background:none;color:var(--muted);cursor:pointer}
.looks button[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}
.urgent{display:inline-flex;align-items:center;gap:8px}
.urgent b{display:inline-block;width:8px;height:8px;border-radius:50%;background:#c2410c}
.ev{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:14px}
.ev div{font-size:14px;color:var(--muted)}
.ev strong{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:15px;margin-bottom:2px}
.evbar{display:flex;height:10px;border-radius:5px;overflow:hidden}
.evbar i:nth-child(1){background:var(--ink)}.evbar i:nth-child(2){background:var(--ink);opacity:.45}.evbar i:nth-child(3){background:var(--line)}
.ev-note{font-size:13px;color:var(--muted);margin:14px 0 0}
.more{display:inline-block;margin-top:10px;font-size:14px;color:var(--accent)}
.entry h2 a,.entry h3 a{text-decoration:none}
.pager{display:flex;justify-content:space-between;gap:16px;padding:24px 0;font-size:14px}
.pager a{max-width:45%}
.pager small{display:block;color:var(--muted)}
.tip-head{padding:12px 0 8px}
.tip-head h1{font-size:28px;line-height:1.35;margin:0 0 8px}
.tip-body dl{font-size:16px}
.tip-body .human{font-size:17px;margin:8px 0 0}
.chlist{list-style:none;margin:0;padding:0}
.chlist li{padding:16px 0;border-bottom:1px solid var(--line)}
.chlist h3{margin:0;font-size:17px}
.chlist p{margin:4px 0 0;font-size:14px;color:var(--muted)}
.mylist{list-style:none;margin:0;padding:0}
.mylist li{padding:10px 0;border-bottom:1px solid var(--line)}
.mylist small{display:block;color:var(--muted);font-size:13px}
.tools{display:flex;gap:16px;margin:8px 0 0}
.tools button{font:inherit;font-size:14px;background:none;border:0;padding:0;color:var(--accent);cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.gate{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:var(--radius);margin:8px 0 24px;background:var(--paper)}
.gate img{width:160px;height:160px;display:block;background:var(--soft);border-radius:4px}
.gate ol{margin:0 0 12px;padding-left:1.3em;font-size:15px}
.gate form{display:flex;gap:8px;max-width:360px}
.gate input{flex:1;height:40px;padding:0 12px;font:inherit;font-size:16px;letter-spacing:.08em;border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--paper);color:var(--ink)}
.gate button{height:40px;padding:0 18px;border:0;border-radius:var(--radius);background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}
#msg{font-size:14px;color:var(--muted);min-height:1.7em;margin:8px 0 0}
#dl .btn[aria-disabled]{background:var(--line);color:var(--muted);cursor:not-allowed}
.prose p,.prose li{font-size:16px}
.prose h2{font-size:20px;margin:32px 0 8px}
@media (max-width:720px){.ev{grid-template-columns:1fr}.gate{grid-template-columns:1fr}.gate img{margin:0 auto}}