:root{--bg: #ffffff;--bg-soft: #f5f5f7;--text: #1d1d1f;--muted: #515154;--faint: #6e6e73;--border: #e8e8ed;--border-strong: #d2d2d7;--accent: #0071e3;--accent-dark: #0060c7;--accent-weak: #e8f1fd;--best: #1a7f43;--best-bg: #f2faf5;--radius: 12px;--radius-lg: 18px;--shadow: 0 2px 14px rgba(0,0,0,.05);--shadow-hover: 0 6px 24px rgba(0,0,0,.08);--maxw: 760px;--measure: 40em;font-synthesis:none}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;overflow-x:hidden}body{overflow-x:hidden}svg{display:inline-block;vertical-align:-.15em}.pill.solved,.pill.bounty,.best-ribbon,.vote-btn,.exp-tag{display:inline-flex;align-items:center;gap:4px}.cat .ico{display:inline-flex;align-items:center;color:var(--muted)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;text-autospace:normal}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}strong{font-weight:400}b{font-weight:500}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}:focus:not(:focus-visible){outline:none}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.site-header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.site-header .wrap{display:flex;align-items:center;gap:16px;height:60px}.brand{font-weight:600;font-size:20px;color:var(--text);letter-spacing:1px;display:inline-flex;align-items:center;flex:0 0 auto}.brand .plus{display:inline-flex;align-items:center;justify-content:center;width:23px;height:23px;background:var(--accent);color:#fff;border-radius:7px;font-size:15px;font-weight:600;margin-left:5px}.hsearch{flex:1 1 auto;max-width:340px;position:relative}.hsearch-ico{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--faint);display:inline-flex;pointer-events:none}.hsearch input{width:100%;padding:8px 14px 8px 36px;border:1px solid transparent;border-radius:980px;background:var(--bg-soft);font-size:14px;color:var(--text)}.hsearch input::placeholder{color:var(--faint)}.hsearch input:focus{outline:none;background:#fff;box-shadow:0 0 0 3px var(--accent-weak),inset 0 0 0 1px var(--accent)}.hnav{display:flex;gap:18px;flex:0 0 auto}.hnav a{color:var(--muted);font-size:14px;font-weight:500}.hnav a:hover{color:var(--accent);text-decoration:none}.btn{display:inline-block;background:var(--accent);color:#fff;padding:8px 18px;border-radius:980px;font-weight:500;border:none;cursor:pointer;font-size:14px;line-height:1.4;letter-spacing:.01em;transition:background .2s ease,transform .1s ease}.btn:hover{background:var(--accent-dark);text-decoration:none}.btn:active{transform:scale(.97)}.btn.violet{background:var(--accent);color:#fff}.btn.violet:hover{background:var(--accent-dark)}.btn.ghost{background:var(--bg-soft);color:var(--text);border:none}.btn.ghost:hover{background:#ececef}.hero{position:relative;text-align:center;padding:48px 20px 30px;margin:6px 0 4px;border-radius:22px;background:radial-gradient(95% 130% at 50% -12%,#e5f1ff,#f8f2ff 42%,#fff 74%);overflow:hidden}.hero h1{font-size:35px;margin:0 0 10px;letter-spacing:-.025em;font-weight:700;line-height:1.1}.hero p{color:var(--muted);margin:0;font-size:16.5px;letter-spacing:-.01em}.counts{color:var(--muted);font-size:13.5px;margin:14px 0 0}.counts b{color:var(--accent);font-weight:700}.counts b{color:var(--text);font-weight:600}.search{display:flex;gap:10px;margin:6px 0 34px}.search input{flex:1;padding:13px 18px;border:1px solid transparent;border-radius:980px;font-size:15px;background:var(--bg-soft);color:var(--text);transition:background .2s,box-shadow .2s}.search input::placeholder{color:var(--faint)}.search input:focus{outline:none;background:#fff;box-shadow:0 0 0 4px var(--accent-weak),inset 0 0 0 1px var(--accent)}.cats{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 0}.catgroup{margin:10px 0 14px}.catgroup-t{font-size:12.5px;color:var(--faint);margin:0 0 2px 2px;font-weight:600}.cat{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border:none;border-radius:980px;color:var(--text);font-size:14px;background:var(--bg-soft);transition:background .2s}.cat:hover{background:#ececef;text-decoration:none}.cat .ico{font-size:15px}.cat .sub{display:none}.section-h{font-size:13px;color:var(--faint);margin:30px 0 4px;font-weight:600;letter-spacing:.04em;text-transform:none}.uavatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;flex:0 0 auto;font-weight:600;line-height:1;color:hsl(var(--h) 52% 38%);background:hsl(var(--h) 60% 92%)}.q-card{--th: 212;position:relative;display:flex;gap:14px;padding:14px 14px 14px 12px;margin:0 -14px;border-radius:14px;border-bottom:1px solid var(--border);background:transparent;transition:background .16s ease,box-shadow .16s ease}.q-card:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:hsl(var(--th) 65% 60%);opacity:0;transition:opacity .16s ease}.q-card:hover{background:hsl(var(--th) 60% 98%);border-bottom-color:transparent;box-shadow:0 1px hsl(var(--th) 40% 92%)}.q-card:hover:before{opacity:1}.q-card:hover h3 a{color:var(--accent)}.votecol{flex:0 0 34px;display:flex;flex-direction:column;align-items:center;gap:1px;padding-top:2px}.vbtn{background:none;border:none;cursor:pointer;color:var(--faint);line-height:0;padding:3px;border-radius:7px;transition:color .12s,background .12s;display:inline-flex}.vbtn:hover{background:var(--bg-soft)}.vbtn.up:hover,.vbtn.up.on{color:var(--accent)}.vbtn.down:hover,.vbtn.down.on{color:#c9372c}.vscore{font-size:13px;font-weight:700;color:var(--text);line-height:1.1;letter-spacing:-.01em}.q-card .main{flex:1;min-width:0}.q-cardtop{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:3px;font-size:12px;color:var(--faint)}.ct-topic{--th: 212;display:inline-flex;align-items:center;background:hsl(var(--th) 62% 94%);color:hsl(var(--th) 48% 38%);font-weight:600;padding:1px 9px;border-radius:980px;font-size:12px}.ct-topic:hover{text-decoration:none;opacity:.82}.ct-ans{color:var(--muted)}.pill.sm{font-size:11.5px}.q-card h3{margin:0 0 3px;font-size:16px;line-height:1.5;font-weight:600}.q-card h3 a{color:var(--text)}.q-card h3 a:hover{text-decoration:none}.q-body-preview{color:var(--muted);font-size:13.5px;margin:2px 0 0}.q-cardfoot{color:var(--faint);font-size:12px;margin-top:7px}.q-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:9px;align-items:center}.pill{font-size:12px;padding:0;font-weight:500;color:var(--faint)}.pill.open{color:var(--faint)}.pill.solved{color:var(--best);font-weight:600}.pill.bounty{color:#b26a00}.pill.ai{color:var(--faint)}.q-meta .pill+.pill:before{content:"·";margin-right:10px;color:var(--border-strong)}.crumb{color:var(--faint);font-size:13.5px;margin-top:22px}.crumb a{color:var(--muted)}.q-head{padding:6px 0 20px;border-bottom:1px solid var(--border);margin-bottom:8px}h1.q-title{font-size:25px;line-height:1.5;margin:10px 0;letter-spacing:-.01em;font-weight:600}.q-context{color:var(--muted);margin:10px 0 0;white-space:pre-wrap;font-size:15px;max-width:var(--measure);line-height:1.8}.q-asker{display:flex;align-items:center;flex-wrap:wrap;gap:6px;color:var(--faint);font-size:13px;margin-top:14px}.q-asker .qa-name{color:var(--muted);font-weight:500}.q-asker .qa-name a{color:var(--muted)}.q-asker .qa-dot{color:var(--border)}.avatar{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:18px;background:#f2f3f5;flex:0 0 34px}.avatar.sm{width:26px;height:26px;font-size:14px;flex-basis:26px}.answer{padding:20px 0;border-bottom:1px solid var(--border)}.answer.best{position:relative;background:linear-gradient(135deg,var(--best-bg),#fff 70%);border-bottom:none;border:1px solid #cdebd8;box-shadow:0 2px 10px #1a7f4314;padding:20px 18px 18px;margin:6px 0 10px;border-radius:var(--radius-lg)}.best-ribbon{display:inline-flex;align-items:center;gap:6px;color:#fff;background:var(--best);font-weight:600;font-size:12px;margin-bottom:12px;padding:4px 12px 4px 9px;border-radius:980px;box-shadow:0 2px 6px #1a7f434d}.answer .who{display:flex;align-items:center;gap:10px;margin-bottom:10px}.answer .who-txt{display:flex;flex-direction:column;line-height:1.35}.answer .who .nm{font-weight:600;font-size:14.5px}.answer .who .cred{font-size:12.5px;color:var(--faint)}.answer .who .lv{font-size:11.5px;color:var(--muted);background:#f2f3f5;padding:0 7px;border-radius:999px;font-weight:500;margin-left:6px}.answer .body{white-space:pre-wrap;font-size:15.5px;color:#2c313a;line-height:1.85;max-width:var(--measure)}.answer .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;flex-wrap:wrap}.react{display:inline-flex;border:1px solid var(--border-strong);border-radius:980px;overflow:hidden}.react-btn{background:#fff;border:none;padding:7px 15px;cursor:pointer;color:var(--muted);font-size:13.5px;display:inline-flex;align-items:center;gap:5px;transition:background .15s,color .15s}.react-btn+.react-btn{border-left:1px solid var(--border)}.react-btn:hover{background:var(--bg-soft);color:var(--text)}.react-btn.down svg{transform:rotate(180deg)}.react-btn.up.active{background:var(--accent-weak);color:var(--accent)}.react-btn.ok.active{background:var(--bg-soft);color:var(--text)}.react-btn.down.active{background:#fdecec;color:#c9372c}.exp-badge{font-size:11.5px;color:var(--best);background:var(--best-bg);padding:1px 8px;border-radius:999px;margin-left:6px;font-weight:500}.exp-tag{color:var(--best);font-weight:500;display:inline-flex;align-items:center;gap:4px}.foot-actions{display:inline-flex;align-items:center;gap:16px}.foot-act{background:none;border:none;color:var(--faint);font-size:13px;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:4px}.foot-act:hover{color:var(--accent)}.foot-act.report-btn:hover{color:#c9372c}.foot-act.pick{color:var(--best);font-weight:500}.comments{margin-top:12px;padding:12px 14px;background:var(--bg-soft);border-radius:12px;max-width:var(--measure)}.cmt{font-size:14px;color:#2c313a;padding:6px 0;line-height:1.7;border-bottom:1px solid var(--border)}.cmt:last-of-type{border-bottom:none}.cmt-au{font-weight:600;color:var(--text);margin-right:8px}.cmt-form{display:flex;gap:8px;margin-top:8px}.cmt-input{flex:1;padding:8px 12px;border:1px solid var(--border-strong);border-radius:980px;font-size:14px;background:#fff;font-family:inherit}.cmt-input:focus{outline:none;border-color:var(--accent)}.cmt-send{background:var(--accent);color:#fff;border:none;border-radius:980px;padding:8px 16px;font-size:13px;font-weight:500;cursor:pointer}.cmt-send:hover{background:var(--accent-dark)}form.card{border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin:14px 0;background:#fff;box-shadow:var(--shadow)}form.card label{display:block;font-weight:600;margin:16px 0 7px;font-size:13.5px}form.card label:first-child{margin-top:0}form.card input[type=text],form.card input[type=email],form.card input[type=password],form.card textarea,form.card select{width:100%;padding:12px 14px;border:1px solid var(--border-strong);border-radius:12px;font-size:15px;font-family:inherit;color:var(--text);background:#fbfbfd;transition:box-shadow .15s,border-color .15s,background .15s}form.card input:focus,form.card textarea:focus,form.card select:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px var(--accent-weak)}form.card textarea{min-height:150px;resize:vertical;line-height:1.7}form.card select{appearance:none;-webkit-appearance:none;padding-right:40px;cursor:pointer;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 14px center}.ask-wrap{max-width:560px;margin:0 auto}.ask-wrap h1{font-size:30px;letter-spacing:-.02em;margin:40px 0 8px;text-align:center}.ask-wrap .ask-sub{color:var(--muted);text-align:center;margin:0 0 18px;font-size:15px;line-height:1.7}.empty{color:var(--muted);padding:26px 0;text-align:center;font-size:14.5px}.post-as{color:var(--muted);font-size:13.5px;margin:12px 0 0}.ans-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 4px}.asort{display:inline-flex;gap:4px;background:var(--bg-soft);padding:3px;border-radius:980px}.asort a{padding:4px 13px;border-radius:980px;font-size:13px;color:var(--muted)}.asort a:hover{text-decoration:none;color:var(--text)}.asort a.active{background:#fff;color:var(--text);box-shadow:0 1px 2px #00000014}.ans-opts{display:flex;flex-direction:column;gap:11px;margin-top:16px}.chk{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);cursor:pointer;line-height:1.4}.chk input{width:17px;height:17px;margin:0;accent-color:var(--accent);flex:0 0 17px}.welcome{position:relative;margin:8px 0 18px;padding:22px 24px 24px;border-radius:20px;background:linear-gradient(135deg,#f0f7ff,#faf5ff);border:1px solid hsl(212 60% 92%)}.welcome h2{margin:0 0 4px;font-size:20px;font-weight:700;letter-spacing:-.01em}.welcome>p{margin:0 0 16px;color:var(--muted);font-size:14px}.wl-close{position:absolute;top:14px;right:16px;width:28px;height:28px;border:none;background:#fff9;color:var(--muted);border-radius:50%;cursor:pointer;font-size:13px}.wl-close:hover{background:#fff;color:var(--text)}.wl-chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}.wl-chip{--th: 212;padding:7px 15px;border-radius:980px;border:1px solid var(--border);background:#fff;color:var(--muted);font-size:14px;cursor:pointer;transition:all .14s}.wl-chip:hover{border-color:hsl(var(--th) 55% 70%);color:hsl(var(--th) 48% 40%)}.wl-chip.on{background:hsl(var(--th) 55% 45%);border-color:hsl(var(--th) 55% 45%);color:#fff;font-weight:500}.wl-done{border:none}.wl-done:disabled{opacity:.5;cursor:default}.trending{display:flex;align-items:center;gap:12px;margin:16px 0 4px}.tr-label{flex:0 0 auto;font-size:13px;font-weight:600;color:var(--text)}.tr-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}.tr-chips::-webkit-scrollbar{display:none}.tr-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:980px;background:var(--bg-soft);font-size:13px;color:var(--text)}.tr-chip:hover{background:var(--accent-weak);color:var(--accent);text-decoration:none}.tr-chip .tr-dot{width:8px;height:8px;border-radius:50%;background:hsl(var(--th, 212) 60% 55%);flex:0 0 auto}.tr-chip .tr-n{font-size:11px;color:var(--faint)}.tr-chip:hover .tr-n{color:var(--accent)}.tr-chip.more{background:none;color:var(--accent);font-weight:500}.tr-chip.kw .kw-hash{color:var(--accent);font-weight:700;margin-right:1px}.active-topic{font-size:13.5px;color:var(--muted);margin:16px 0 0}.active-topic a{color:var(--accent);margin-left:6px}.twin{display:flex;gap:14px;margin:4px 0 10px;padding-left:4px}.twin a{font-size:13px;color:var(--muted)}.twin a.active{color:var(--accent);font-weight:600}.form-msg{padding:9px 14px;border-radius:10px;font-size:13.5px;margin:14px 0 0}.form-msg.err{background:#fdecec;color:#c9372c}.form-msg.good{background:var(--best-bg);color:var(--best)}.field-hint{font-size:12.5px;color:var(--faint);margin:6px 0 0;line-height:1.5}input:disabled{background:var(--bg-soft);color:var(--faint);cursor:not-allowed}.tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;margin-left:6px;background:#e5484d;color:#fff;font-size:11px;font-weight:700;border-radius:999px}.mod-list{display:flex;flex-direction:column;gap:12px;margin-top:18px}.mod-item{display:flex;gap:14px;align-items:flex-start;justify-content:space-between;padding:14px 16px;border:1px solid var(--border);border-radius:14px;background:#fff}.mod-body{min-width:0;flex:1}.mod-meta{font-size:12.5px;color:var(--faint);margin-bottom:5px}.mod-q{font-size:14.5px;font-weight:600;color:var(--text);display:inline-block;margin-bottom:4px}.mod-q:hover{color:var(--accent)}.mod-ans{font-size:13.5px;color:var(--muted);margin:0;line-height:1.6;word-break:break-word}.mod-tag{font-size:11px;padding:1px 7px;border-radius:980px;background:var(--bg-soft);color:var(--muted);margin-right:4px}.mod-tag.hidden{background:#fdecec;color:#c9372c}.mod-acts{display:flex;flex-direction:column;gap:6px;flex:0 0 auto}.mod-btn{padding:6px 12px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:13px;cursor:pointer;white-space:nowrap;color:var(--text)}.mod-btn:hover{background:var(--bg-soft)}.mod-btn.danger{color:#c9372c;border-color:#f2c7c5}.mod-btn.danger:hover{background:#fdecec}.mod-btn.ok{color:var(--best);border-color:#bfe6cd}.mod-btn.ok:hover{background:var(--best-bg)}.mod-btn:disabled{opacity:.6;cursor:default}.rec{margin:22px 0 10px}.rec-sub{color:var(--faint);font-size:13px;margin:2px 0 14px}.kwchip{display:inline-block;padding:5px 12px;border-radius:980px;background:var(--bg-soft);color:var(--muted);font-size:13px}.filterbar{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 4px}.filterbar.scroll{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;margin:8px 0 4px;padding-bottom:2px}.filterbar.scroll::-webkit-scrollbar{display:none}.filterbar.scroll .fchip{flex:0 0 auto}.fchip.more{border-style:dashed;color:var(--accent)}.fchip{padding:5px 14px;border-radius:980px;border:1px solid var(--border);color:var(--muted);font-size:13.5px;background:#fff;transition:all .15s}.fchip:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.fchip.active{background:var(--text);border-color:var(--text);color:#fff}.tabs{display:inline-flex;gap:4px;background:var(--bg-soft);padding:4px;border-radius:980px;margin:14px 0 10px}.tab{padding:6px 16px;border-radius:980px;color:var(--muted);font-size:14px;font-weight:500}.tab:hover{color:var(--text);text-decoration:none}.tab.active{background:#fff;color:var(--text);box-shadow:0 1px 3px #00000014}.profile{display:flex;align-items:center;gap:18px;padding:34px 0 22px}.avatar.lg{width:64px;height:64px;font-size:30px;flex-basis:64px;background:var(--bg-soft)}.pinfo h1{font-size:25px;margin:0 0 6px;letter-spacing:-.01em}.pinfo .cred{color:var(--muted);margin:0 0 10px;font-size:15px}.ptags{display:flex;flex-wrap:wrap;gap:8px}.ptag{display:inline-flex;align-items:center;gap:5px;background:var(--bg-soft);color:var(--muted);font-size:13px;padding:4px 12px;border-radius:980px}.verified{font-size:12px;color:var(--best);background:var(--best-bg);padding:2px 9px;border-radius:999px;font-weight:500;margin-left:6px;display:inline-flex;align-items:center;gap:3px}.tile.hl{background:var(--accent-weak)}.tile.hl b{color:var(--accent)}.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:8px 0 6px}.tile{background:var(--bg-soft);border-radius:var(--radius-lg);padding:18px 12px;text-align:center}.tile b{display:block;font-size:26px;font-weight:600;letter-spacing:-.02em;color:var(--text)}.tile span{font-size:12.5px;color:var(--faint)}.topic-line{color:var(--faint);font-size:13px;margin:14px 0 0}.badges{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 4px}.badge-pill{display:inline-flex;align-items:center;gap:5px;background:var(--accent-weak);color:var(--accent);font-size:12.5px;padding:5px 12px;border-radius:980px}.topic-bars{display:flex;flex-direction:column;gap:9px}.tbar{display:flex;align-items:center;gap:12px;font-size:13.5px}.tbar-n{flex:0 0 90px;color:var(--muted)}.tbar-track{flex:1;height:8px;background:var(--bg-soft);border-radius:999px;overflow:hidden}.tbar-fill{display:block;height:100%;background:var(--accent);border-radius:999px}.tbar-c{flex:0 0 24px;text-align:right;color:var(--faint)}.pa-topic-line{margin:0 0 4px}.pa{padding:18px 0;border-bottom:1px solid var(--border)}.pa-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.pa-topic{font-size:12.5px;color:var(--accent);background:var(--accent-weak);padding:2px 10px;border-radius:980px}.pa-topic:hover{text-decoration:none}.pa-score{font-size:13px;color:var(--faint);display:inline-flex;align-items:center;gap:4px}.pa h3{margin:0 0 5px;font-size:16.5px;font-weight:600}.pa h3 a{color:var(--text)}.pa-body{color:var(--muted);font-size:14px;margin:0;line-height:1.75}@media(max-width:560px){.tiles{grid-template-columns:repeat(2,1fr)}}.prose{max-width:var(--measure);margin:12px 0 0}.prose h1{font-size:30px;letter-spacing:-.02em;margin:24px 0 16px}.prose h2{font-size:19px;margin:30px 0 10px}.prose p,.prose li{font-size:16px;color:#33383e;line-height:1.85}.prose ul{padding-left:1.2em}.prose li{margin:6px 0}.prose .cta{margin-top:28px;display:flex;gap:10px}.prose code{background:var(--bg-soft);padding:1px 6px;border-radius:5px;font-size:.9em}.faq dt{font-weight:600;margin-top:16px}.faq dd{margin:4px 0 0;color:var(--muted);line-height:1.85}.qactions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px}.qact{background:var(--bg-soft);border:none;border-radius:980px;padding:6px 15px;font-size:13px;color:var(--muted);cursor:pointer;font-weight:500;transition:background .15s,color .15s}.qact:hover{background:#ececef;color:var(--text)}.qact.on{background:var(--accent-weak);color:var(--accent)}.report-btn{background:none;border:none;color:var(--faint);font-size:12.5px;cursor:pointer;padding:0;margin-left:auto}.report-btn:hover{color:#c9372c}.report-btn[disabled]{color:var(--faint);cursor:default}.bell{position:relative;color:var(--muted);display:inline-flex}.bell:hover{color:var(--accent)}.bell .badge{position:absolute;top:-7px;right:-8px;background:#e5484d;color:#fff;font-size:10px;font-weight:600;min-width:15px;height:15px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 3px}.pts-badge{background:var(--accent-weak);color:var(--accent);font-size:11.5px;font-weight:600;padding:1px 7px;border-radius:999px;margin-left:6px}.pick-btn{background:none;border:none;color:var(--best);font-size:12.5px;cursor:pointer;padding:0;display:inline-flex;align-items:center;gap:4px;font-weight:500}.pick-btn:hover{text-decoration:underline}.botnav{display:none}@media(max-width:640px){.botnav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fffffff0;backdrop-filter:saturate(180%) blur(14px);border-top:1px solid var(--border);padding:7px 4px calc(6px + env(safe-area-inset-bottom,0px))}.botnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--faint);font-size:10.5px}.botnav a:hover{text-decoration:none}.botnav a.on,.botnav .ask{color:var(--accent)}.botnav .ask .ask-plus{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;margin-top:-18px;background:var(--accent);color:#fff;border-radius:50%;box-shadow:0 3px 10px #0071e366}.hide-sm,.site-header .tag{display:none}.site-header .wrap{gap:10px;height:54px}.brand{font-size:18px}.brand .plus{width:21px;height:21px;font-size:14px}.hsearch{max-width:none}.hsearch input{padding:7px 12px 7px 34px}.header-links{gap:8px}.pts-badge,.header-links .logout-btn,.header-links .me,.header-links .btn,.header-links .login-link{display:none}.hero{padding:18px 0 12px}.hero h1{font-size:25px}.hero-tag{display:none}.hero .counts{font-size:13px}.search{display:none}.wrap{padding:0 16px}.tiles{gap:8px}body{padding-bottom:64px}}.notif-list{list-style:none;padding:0;margin:0}.notif{padding:14px 2px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:12px;align-items:baseline}.notif a{color:var(--text)}.notif.unread a{font-weight:600}.notif.unread:before{content:"";width:7px;height:7px;background:var(--accent);border-radius:50%;flex:0 0 7px;align-self:center}.notif-time{color:var(--faint);font-size:12.5px;white-space:nowrap}.follow-btn.on,.qact.follow-btn.on{background:var(--accent-weak);color:var(--accent)}.page-h{font-size:28px;letter-spacing:-.02em;margin:30px 0 6px}.page-sub{color:var(--muted);margin:0 0 22px;font-size:15px}.board{list-style:none;padding:0;margin:0}.brow{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.rank{flex:0 0 26px;text-align:center;font-weight:600;color:var(--faint);font-size:15px}.rank.top{color:var(--accent)}.binfo{flex:1;min-width:0;display:flex;flex-direction:column}.bname{font-weight:600;color:var(--text)}.bbio{font-size:12.5px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bstats{font-size:13px;color:var(--muted);white-space:nowrap}.bstats b{color:var(--text);font-weight:600}.ah{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:30px}.ah .page-h{margin:0}.art-card{padding:18px 0;border-bottom:1px solid var(--border)}.art-card h3{margin:0 0 5px;font-size:18px;font-weight:600}.art-card h3 a{color:var(--text)}.art-card h3 a:hover{color:var(--accent);text-decoration:none}.art-sum{color:var(--muted);font-size:14px;margin:0 0 6px;line-height:1.75}.art-meta{color:var(--faint);font-size:12.5px}.article h1{font-size:30px;line-height:1.4}.art-byline{display:flex;align-items:center;gap:8px;color:var(--faint);font-size:13px;margin:12px 0 22px;padding-bottom:20px;border-bottom:1px solid var(--border)}.prose h3{font-size:17px;margin:22px 0 8px}.home-extra{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;margin-top:40px;padding-top:28px;border-top:1px solid var(--border)}.he-col .section-h{margin-top:0}.he-art{display:block;padding:10px 0;border-bottom:1px solid var(--border)}.he-art:hover{text-decoration:none}.he-t{display:block;color:var(--text);font-weight:600;font-size:15px;line-height:1.5}.he-art:hover .he-t{color:var(--accent)}.he-s{display:block;color:var(--faint);font-size:12.5px;margin-top:2px}.he-pin{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--muted);line-height:1.65}.he-pin b{color:var(--text);margin-right:8px;font-weight:600}.he-more{display:inline-block;margin-top:12px;font-size:13.5px}@media(max-width:620px){.home-extra{grid-template-columns:1fr;gap:24px}}.cat .cnt{margin-left:auto;font-size:12px;color:var(--faint);background:var(--bg-soft);padding:1px 8px;border-radius:980px}.seeall{font-size:14px;color:var(--accent);white-space:nowrap}.topic-group{margin:28px 0}.tg-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:8px;margin-bottom:16px}.tg-title{font-size:18px;margin:0}.tg-desc{color:var(--faint);font-size:13px}.topic-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.topic-card{display:block;border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;background:#fff;transition:border-color .15s,box-shadow .15s}.topic-card:hover{border-color:var(--accent);box-shadow:var(--shadow);text-decoration:none}.tc-top{display:flex;align-items:center;gap:9px}.tc-ico{--th: 212;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:hsl(var(--th) 62% 93%);color:hsl(var(--th) 48% 40%)}.tc-name{font-size:16px;font-weight:600;color:var(--text)}.tc-count{color:var(--faint);font-size:12.5px;margin:8px 0 0}.tc-preview{list-style:none;padding:10px 0 0;margin:10px 0 0;border-top:1px dashed var(--border)}.tc-preview li{color:var(--muted);font-size:13px;line-height:1.5;padding:2px 0 2px 14px;position:relative;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tc-preview li:before{content:"·";position:absolute;left:3px;color:var(--faint)}.topic-header{--th: 212;display:flex;align-items:flex-start;gap:16px;margin:12px 0 16px;flex-wrap:wrap;padding:22px 24px;border-radius:20px;background:linear-gradient(135deg,hsl(var(--th) 80% 95%),hsl(var(--th) 70% 98%));border:1px solid hsl(var(--th) 55% 90%)}.th-ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:#fff;color:hsl(var(--th) 52% 42%);flex-shrink:0;box-shadow:0 1px 4px hsl(var(--th) 40% 85%)}.th-main{flex:1;min-width:200px}.th-name{font-size:24px;margin:0 0 4px}.th-desc{color:var(--muted);margin:0 0 6px;font-size:14px}.th-stats{color:var(--faint);font-size:13px}.th-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.related-cats{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 8px}.rc-label{color:var(--faint);font-size:13px}.taste-banner{background:linear-gradient(135deg,#f2f8ff,#fbf7ff);border:1px solid hsl(212 55% 92%);border-radius:16px;padding:14px 16px;margin:6px 0 18px}.tb-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}.tb-title{font-size:15px;font-weight:700;color:var(--text);letter-spacing:-.01em}.tb-toggle{font-size:12.5px;color:var(--muted);border:1px solid var(--border);background:#ffffffb3;padding:4px 12px;border-radius:980px;white-space:nowrap}.tb-toggle:hover{color:var(--accent);border-color:var(--accent);text-decoration:none}.tb-tags{display:flex;gap:7px;flex-wrap:wrap;align-items:center}.tb-hint{font-size:12.5px;color:var(--faint);margin-right:2px}.tb-topic{--th: 212;font-size:13px;font-weight:600;padding:3px 12px;border-radius:980px;color:hsl(var(--th) 48% 38%);background:hsl(var(--th) 66% 94%)}.tb-topic:hover{text-decoration:none;opacity:.82}.tb-kw{font-size:13px;padding:3px 11px;border-radius:980px;color:var(--accent);background:#ffffffbf;border:1px solid hsl(212 60% 90%)}.tb-kw:hover{text-decoration:none;background:#fff;border-color:var(--accent)}.feed{display:flex;flex-direction:column;gap:14px}.feed-card{position:relative;border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px;background:#fff;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;overflow:hidden}.feed-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:hsl(var(--th, 212) 65% 60%)}.feed-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00000014;border-color:hsl(var(--th, 212) 50% 82%)}.fc-dismiss{position:absolute;top:10px;right:10px;width:26px;height:26px;border:none;background:none;color:var(--faint);font-size:14px;line-height:1;border-radius:50%;cursor:pointer;opacity:.5;transition:opacity .15s,background .15s,color .15s}.fc-dismiss:hover{opacity:1;background:var(--bg-soft);color:var(--text)}.fc-topic{display:inline-block;font-size:12.5px;color:var(--accent);background:var(--accent-weak);padding:2px 10px;border-radius:980px;margin-bottom:8px}.fc-topic:hover{text-decoration:none}.feed-card h3{margin:0 0 10px;font-size:17px;line-height:1.5}.feed-card h3 a{color:var(--text)}.feed-card h3 a:hover{color:var(--accent);text-decoration:none}.fc-answer{border-left:3px solid var(--border);padding-left:12px}.fc-au{display:flex;align-items:center;gap:7px;color:var(--faint);font-size:12.5px;margin-bottom:5px}.fc-body{margin:0;color:#33383e;font-size:14.5px;line-height:1.75}.fc-foot{margin-top:10px;color:var(--faint);font-size:13px;display:flex;gap:8px}.fc-foot a{color:var(--muted)}.pin{padding:16px 0;border-bottom:1px solid var(--border)}.pin-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.pin-au{font-weight:600;font-size:14px}.pin-time{color:var(--faint);font-size:12.5px;margin-left:auto}.pin-body{white-space:pre-wrap;font-size:15px;line-height:1.75;color:#2c313a}.pin-foot{margin-top:10px}.pin-like{background:var(--bg-soft);border:none;border-radius:980px;padding:5px 13px;color:var(--muted);font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:5px}.pin-like:hover{background:#ececef;color:var(--accent)}.gl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin-bottom:6px}.gl-item{display:flex;flex-direction:column;gap:3px;padding:12px 14px;background:var(--bg-soft);border-radius:12px}.gl-item:hover{background:#ececef;text-decoration:none}.gl-term{color:var(--text);font-weight:600;font-size:14.5px}.gl-def{color:var(--faint);font-size:12px}.gl-cat-tag{display:inline-block;background:var(--accent-weak);color:var(--accent);font-size:12.5px;padding:3px 10px;border-radius:999px;margin:0 0 14px}.gloss-links{display:flex;flex-wrap:wrap;gap:8px}.gloss-chip{background:var(--bg-soft);color:var(--text);font-size:13.5px;padding:6px 14px;border-radius:980px}.gloss-chip:hover{background:var(--accent-weak);color:var(--accent);text-decoration:none}.notfound{text-align:center;padding:64px 0}.notfound h1{font-size:68px;margin:0;color:var(--border-strong);letter-spacing:-.03em}.notfound p{color:var(--muted)}.notfound .cta{display:flex;gap:10px;justify-content:center;margin-top:22px}.gate{max-width:460px;margin:48px auto}.gate h1{font-size:26px;text-align:center;margin:0 0 16px;letter-spacing:-.01em}.gate-lead{font-size:16px}.gate p,.gate li{color:var(--muted);line-height:1.8}.gate ul{padding-left:1.2em;margin:8px 0 20px}.gate li{margin:4px 0}.gate form{margin-top:8px}.auth{max-width:380px;margin:52px auto}.auth h1{font-size:24px;margin:0 0 6px;text-align:center;letter-spacing:-.01em}.auth-sub{color:var(--muted);text-align:center;margin:0 0 20px;font-size:14.5px}.auth-err{background:#fef2f2;color:#b42318;border:1px solid #fecaca;border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:14px}.auth-msg{background:var(--best-bg);color:var(--best);border:1px solid #c9ead5;border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:14px}.auth-alt{text-align:center;color:var(--muted);font-size:14px;margin-top:16px}.linklike{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:0;font-family:inherit}.linklike:hover{text-decoration:underline}.header-links{display:flex;align-items:center;gap:15px}.header-links .login-link{color:var(--muted);font-size:14px;font-weight:500}.header-links .me{color:var(--text);font-size:14px;font-weight:600}.logout-btn{background:none;border:none;color:var(--faint);font-size:13px;cursor:pointer;padding:0}.logout-btn:hover{color:var(--accent)}.site-footer{border-top:1px solid var(--border);margin-top:56px;padding:40px 0 26px;color:var(--faint);font-size:14px}.footer-cols{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:30px}.fbrand .brand{font-size:20px;font-weight:600;color:var(--text);display:inline-flex;align-items:center;letter-spacing:1px}.fbrand .brand .plus{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--accent);color:#fff;border-radius:6px;font-size:14px;margin-left:4px}.fbrand .ftag{color:var(--muted);margin:10px 0 0;font-size:13.5px}.fbrand .fdesc{color:var(--faint);margin:8px 0 0;font-size:12.5px;line-height:1.7}.fcol h4{font-size:12.5px;color:var(--text);font-weight:600;margin:0 0 12px}.fcol a{display:block;color:var(--muted);font-size:13.5px;padding:4px 0}.fcol a:hover{color:var(--accent);text-decoration:none}.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--border);color:var(--faint);font-size:12.5px;text-align:center}@media(max-width:620px){.footer-cols{grid-template-columns:1fr 1fr;gap:22px}.fbrand{grid-column:1 / -1}}