:root{--ink:#182c36;--muted:#6a7c85;--teal:#087e84;--line:#e1e8e9;--paper:#fff;--wash:#f5f8f8;font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--teal);border-radius:5px;background:var(--teal);color:white;padding:9px 17px}button:hover{filter:brightness(.93)}button:disabled{opacity:.5;cursor:wait}.quiet{background:white;color:var(--ink);border-color:var(--line)}.danger{background:#ad3844;border-color:#ad3844}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #eeb85c;outline-offset:3px}header{height:96px;display:flex;align-items:center;gap:44px;border-bottom:1px solid var(--line);padding:0 4%;position:relative;background:white;z-index:3}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;font-size:23px;white-space:nowrap;letter-spacing:-1px}.brand:hover{text-decoration:none}.brand small{display:block;font-size:10px;letter-spacing:3.5px;color:var(--teal);margin-top:5px}.brand-icon{display:block;width:48px;height:48px;border-radius:12px;background:var(--ink);color:#a5e0ce;text-align:center;font-size:39px;line-height:45px}body.has-art .brand-icon{background:white url('/assets/brand.png') center top/120px 80px no-repeat;color:transparent}#search{display:flex;align-items:center;border:1px solid #d3dfe1;border-radius:6px;max-width:560px;flex:1;padding:5px 6px 5px 14px;gap:10px;background:#fbfcfc}#search>span{font-size:26px;color:var(--muted)}#search input{width:100%;border:0;outline:0;background:transparent;font-size:14px}#search button{padding:7px 17px;background:white;color:var(--ink);border-color:var(--line)}#account{font-size:12px;margin-left:auto;white-space:nowrap}.layout{display:grid;grid-template-columns:215px minmax(0,1fr);max-width:1540px;margin:auto}.sidebar{padding:38px 22px 20px 30px;border-right:1px solid var(--line);min-height:calc(100vh - 96px)}.eyebrow{font-size:10px;letter-spacing:1.6px;color:var(--muted);font-weight:700}nav a{display:flex;gap:13px;padding:13px 12px;margin:4px 0;border-radius:5px;color:#546771;font-size:14px}nav a.active{background:#eaf5f3;color:#087e79;font-weight:bold}.side-label{margin:34px 12px 13px;color:#93a0a6;font-size:11px}#side-categories a{display:block;margin:17px 12px;font-size:13px;color:#5a7078}.side-note{border-top:1px solid var(--line);margin:32px 12px;padding-top:25px;font-size:12px;line-height:1.9}.side-note small{color:#8b999e;display:block;margin-top:9px}.dot{display:inline-block;background:#0e9b8a;width:6px;height:6px;border-radius:50%;margin-right:5px}main{padding:36px 40px 0;min-width:0}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:22px}.hero{border:1px solid #d9e5e4;border-radius:9px;overflow:hidden;min-height:264px;background:#eaf2ef;position:relative;display:flex;align-items:center;padding:34px}.hero:after{content:'━ ━ ━ ━';position:absolute;right:30px;bottom:10px;color:#83a8a6;font-size:70px;transform:rotate(-12deg);letter-spacing:-5px}.has-art .hero{background-image:linear-gradient(90deg,#eef3ed 0%,#eef3eddd 20%,transparent 65%),url('/assets/brand.png');background-size:cover,100% 200%;background-position:center,bottom}.has-art .hero:after{display:none}.hero-copy{position:relative;z-index:1}.tag{font-size:10px;color:var(--teal);font-weight:bold;letter-spacing:2px}.hero h1{font-size:34px;line-height:1.45;letter-spacing:-1.8px;margin:14px 0}.hero p{font-size:13px;color:#597074;line-height:1.9}.hero a{font-size:12px;font-weight:bold}.stats-strip{display:flex;border-bottom:1px solid var(--line);padding:23px 0;gap:35px;font-size:12px;color:var(--muted)}.stats-strip strong{font-size:19px;color:var(--ink);margin-left:8px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 18px}.section-head h2{margin:0;font-size:19px;letter-spacing:-.5px}.section-head a{font-size:11px;color:var(--muted)}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.category-card{border:1px solid var(--line);border-radius:7px;padding:23px 18px;display:block;color:var(--ink);transition:transform .15s,border-color .15s}.category-card:hover{transform:translateY(-3px);border-color:#77b6b0;text-decoration:none}.category-icon{color:var(--teal);background:#eef6f4;border-radius:10px;width:40px;height:40px;display:grid;place-items:center;font-size:24px;margin-bottom:17px}.category-card h3{font-size:14px;margin:0 0 9px}.category-card p{font-size:11px;color:var(--muted);line-height:1.8;margin:0}.category-card small{display:block;font-size:10px;color:var(--teal);margin-top:18px}.lower-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:26px}.panel{border:1px solid var(--line);border-radius:7px;padding:23px}.featured-label{font-size:10px;letter-spacing:1.7px;color:var(--teal)}.featured h3{font-size:25px;margin:15px 0}.featured p{font-size:13px;line-height:1.9;color:var(--muted)}.pill{display:inline-block;padding:4px 9px;border-radius:3px;background:#eff5f5;color:#55757b;font-size:10px}.recent-row{padding:13px 0;border-bottom:1px solid var(--line);font-size:12px;display:flex;justify-content:space-between;gap:10px}.recent-row:last-child{border:0}.recent-row small{color:var(--muted);font-size:10px}.fan-banner{margin-top:30px;padding:23px 28px;background:#183c43;border-radius:7px;color:white;position:relative;overflow:hidden}.fan-banner .tag{color:#92d9c7}.fan-banner h3{font-size:19px;margin:9px 0}.fan-banner p{font-size:11px;color:#b6cdcd}.fan-banner:after{content:'TRAIN LOVERS CLUB';position:absolute;right:25px;top:40px;font-size:20px;letter-spacing:3px;opacity:.15;font-weight:bold}.ad-label{font-size:9px;text-align:right;color:var(--muted);margin:5px 0}.page-top{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding-bottom:15px}.page-top h1{font-family:Georgia,"Malgun Gothic",serif;font-size:34px;font-weight:500;margin:0}.tools{display:flex;gap:8px;flex-wrap:wrap}.tools button{font-size:12px;padding:7px 12px}.tabs{display:flex;gap:22px;padding:15px 0;border-bottom:1px solid var(--line);font-size:12px}.tabs a.selected{color:var(--ink);font-weight:bold}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:35px;margin-top:25px}.article{font-size:15px;line-height:1.95;overflow-wrap:anywhere}.article h2{font-size:23px;border-bottom:1px solid var(--line);padding-bottom:8px;margin-top:32px;font-weight:500}.article h3{font-size:18px}.article p{margin:15px 0}.article pre,.source{background:var(--wash);padding:15px;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:4px;font-size:13px;line-height:1.8}.info-box{background:var(--wash);border:1px solid var(--line);border-radius:6px;padding:20px;align-self:start;font-size:12px;line-height:2}.info-box strong{display:block;border-bottom:1px solid var(--line);margin-bottom:9px;padding-bottom:9px}.info-box a{display:block}.summary{font-size:16px;color:#62767d;margin:23px 0}.list-card{padding:22px 0;border-bottom:1px solid var(--line)}.list-card h3{margin:0 0 9px;font-size:19px}.list-card p{color:var(--muted);font-size:13px}.empty{padding:36px 20px;color:var(--muted);text-align:center;background:var(--wash);border-radius:6px}.form{display:grid;gap:18px;max-width:850px;margin:24px 0}.form label{font-size:13px;display:grid;gap:8px;font-weight:600}.form input,.form textarea,.form select{padding:12px;border:1px solid #cddadc;border-radius:5px;width:100%;background:white;color:var(--ink);font-weight:400}.form textarea{min-height:280px;line-height:1.8;font-family:inherit}.form .short{min-height:90px}.help{font-size:12px;color:var(--muted);line-height:1.9}.preview{border:1px solid var(--line);padding:20px;border-radius:5px}.notice{padding:15px;background:#f4f7ee;border-left:3px solid #9eae69;font-size:13px;line-height:1.8;margin:20px 0}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:25px 0}.metric{border:1px solid var(--line);border-radius:6px;padding:20px;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:30px;color:var(--ink);margin-top:10px}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px}th{background:var(--wash);color:var(--muted)}td button{font-size:11px;padding:5px 9px}.table-wrap{overflow-x:auto}.history-detail{margin:18px 0}.history-detail summary{cursor:pointer;padding:14px;background:var(--wash);font-size:13px}.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.diff-grid pre{max-height:400px;overflow:auto;border:1px solid var(--line);padding:15px;background:var(--wash);white-space:pre-wrap}.diff-grid .old{border-top:3px solid #bd6b6b}.diff-grid .new{border-top:3px solid #429886}dialog{width:min(500px,94vw);padding:35px;border:1px solid var(--line);border-radius:10px;color:var(--ink);max-height:90vh}dialog::backdrop{background:#102f3a77}.close{float:right;padding:5px 9px}.error{color:#ac3545;font-size:13px;line-height:1.8}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;font-size:13px;padding:14px 24px;border-radius:5px;z-index:10;display:none}#toast.show{display:block}footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;display:flex;gap:20px;font-size:9px;letter-spacing:1px;color:var(--muted)}footer span{letter-spacing:0}footer a{margin-left:auto;letter-spacing:0}.skip{position:absolute;left:10px;top:-60px;z-index:20;background:white;padding:12px}.skip:focus{top:5px}[hidden]{display:none!important}@media(min-width:1450px){main{padding:40px 55px 0}.hero{min-height:300px}}@media(max-width:1050px){header{gap:20px;padding:0 24px}.layout{grid-template-columns:175px 1fr}.sidebar{padding:30px 12px}main{padding:28px 25px 0}.category-grid{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:1fr}.info-box{order:-1}.info-box a{display:inline-block;margin-right:15px}.lower-grid{gap:16px}.fan-banner:after{display:none}}@media(max-width:700px){header{height:auto;flex-wrap:wrap;padding:20px;gap:16px}.brand{font-size:20px}#search{order:3;flex-basis:100%;max-width:none}#account{font-size:10px;padding:8px}.layout{display:block}.sidebar{min-height:0;padding:8px 15px;border-right:0;border-bottom:1px solid var(--line)}.sidebar>p,.side-label,#side-categories,.side-note{display:none}.sidebar nav{display:flex;flex-wrap:wrap;gap:4px}.sidebar nav a{font-size:11px;padding:9px 10px;gap:5px}main{padding:24px 18px 0}.hero{padding:25px;min-height:245px}.hero h1{font-size:28px}.hero p{font-size:12px;max-width:230px}.stats-strip{gap:20px}.lower-grid{grid-template-columns:1fr}.category-card{padding:20px 15px}.page-top{align-items:flex-start;flex-direction:column}.page-top h1{font-size:29px}.metrics{gap:8px}.metric{padding:15px 10px;font-size:10px}.metric strong{font-size:25px}.diff-grid{grid-template-columns:1fr}footer{flex-wrap:wrap;gap:10px}footer span{flex-basis:100%}footer a{margin:0}}

.button{display:inline-block;padding:9px 17px;border:1px solid var(--teal);border-radius:5px;background:var(--teal);color:white;font-size:12px}.button:hover{text-decoration:none;filter:brightness(.93)}.fan-banner a{color:#b3e6d7;font-size:12px}.brand-icon svg{display:block}code{background:var(--wash);padding:2px 4px;border-radius:3px}.info-box hr{border:0;border-top:1px solid var(--line);margin:15px 0}.category-grid:empty{display:none}@media(max-width:700px){.stats-strip{flex-wrap:wrap;gap:15px}.hero:after{opacity:.18;right:0;font-size:50px}.tools{align-items:center}}

#search button{white-space:nowrap;flex-shrink:0}#search input{min-width:0}