:root{--paper:#f6f3ec;--white:#fffefa;--ink:#253d36;--muted:#777c72;--line:#dedfd4;--green:#314f43;--soft:#e8ece2;--red:#a75641;--accent:#ede3d3;--serif:"Songti SC","Noto Serif CJK SC",Georgia,serif;--sans:"PingFang SC","Noto Sans CJK SC",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.65 var(--sans)}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,a,input,select,summary{outline-offset:4px}:focus-visible{outline:2px solid var(--red)}button{cursor:pointer}.preview-bar{background:var(--ink);color:var(--white);padding:7px 5vw;font-size:11px;letter-spacing:1px}.preview-bar span{opacity:.68;margin-left:18px;letter-spacing:0}.site-header{height:90px;display:flex;align-items:center;gap:72px;padding:0 5vw;background:var(--white);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:16px;font-family:var(--serif);font-size:23px;letter-spacing:.4px}.brand b{font-size:18px;font-weight:500;margin-left:7px}.rings{position:relative;width:35px;height:38px;display:block}.rings i{position:absolute;width:23px;height:23px;border:1.3px solid var(--ink);border-radius:50%}.rings i:nth-child(1){left:6px;top:0}.rings i:nth-child(2){left:0;top:13px}.rings i:nth-child(3){left:12px;top:13px}.site-header nav{display:flex;align-items:center;gap:31px;color:var(--muted);font-size:13px}.site-header nav span{color:var(--ink);border-bottom:2px solid var(--red);padding:30px 0}.header-caption{margin-left:auto;color:var(--muted);font:13px var(--serif);letter-spacing:2px}.workspace{display:grid;grid-template-columns:252px minmax(0,1fr);max-width:1536px;margin:auto}.sidebar{padding:36px 24px 60px;border-right:1px solid var(--line);min-height:calc(100vh - 120px)}.sidebar-title{font-size:10px;letter-spacing:1.8px;color:var(--muted);margin:4px 12px 25px}.category-button{border:0;background:none;color:var(--ink);text-align:left;width:100%;padding:11px 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span{font-size:11px;color:var(--muted)}.search-area{display:flex;align-items:center;gap:12px;margin-bottom:29px}.search-input{display:flex;align-items:center;background:var(--white);border:1px solid var(--line);padding:0 14px;flex:1;min-width:0;height:46px}.search-input>span{font:28px Georgia,serif;margin-right:11px}.search-input input{border:0;background:none;outline:none!important;width:100%;min-width:0;color:var(--ink);font-size:12px}.search-input input::placeholder{color:var(--muted)}kbd{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:0 6px}select{padding:12px 30px 12px 12px;border:1px solid var(--line);background:var(--white);color:var(--ink);height:46px;font-size:12px;border-radius:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:24px 0 18px}.section-heading h2{font:22px var(--serif);margin:0;letter-spacing:1px}.section-heading>span{font-size:10px;color:var(--muted)}.shelf-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.shelf-card{display:flex;flex-direction:column;text-align:left;min-height:186px;background:var(--white);border:1px solid var(--line);padding:20px;border-top:3px solid var(--green);transition:transform .15s ease,border-color .15s ease}.shelf-card:hover{transform:translateY(-3px);border-color:var(--green)}.card-top{display:flex;justify-content:space-between;font:10px Georgia,serif;color:var(--muted);letter-spacing:1px}.shelf-card h3{font:19px/1.45 var(--serif);margin:19px 0 8px}.card-fr{font:11px/1.5 Georgia,serif;color:var(--muted);margin:0 0 19px}.card-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:10px;display:flex;justify-content:space-between;gap:8px;font-size:10px;color:var(--muted)}.card-bottom b{font-weight:400;color:var(--green)}.section-notice{padding:14px 17px;background:var(--soft);font-size:12px;color:var(--green);margin:22px 0}.collection{border:1px solid var(--line);background:var(--white);margin:13px 0}.collection summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:17px 19px;font:16px/1.5 var(--serif);gap:18px}.collection summary::after{content:'+';font:20px Georgia,serif;color:var(--muted)}.collection[open] summary::after{content:'−'}.collection summary>span{margin-left:auto;font:10px var(--sans);color:var(--muted);white-space:nowrap}.document-row{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:14px;padding:15px 19px;border-top:1px solid var(--line);align-items:center}.doc-index{font:11px Georgia,serif;color:var(--muted)}.doc-title{font:15px/1.5 var(--serif);margin-bottom:4px;overflow-wrap:anywhere}.doc-meta{font-size:10px;color:var(--muted);display:flex;flex-wrap:wrap;gap:13px}.doc-actions{display:flex;align-items:center;gap:15px;white-space:nowrap;font-size:11px}.read-button,.button{background:var(--green);color:var(--white);border:1px solid var(--green);padding:7px 12px;display:inline-block;font-size:11px}.read-button:hover,.button:hover{background:var(--ink);text-decoration:none}.source-link{color:var(--muted)}.empty{padding:60px 20px;text-align:center;border:1px dashed var(--line);color:var(--muted)}.empty strong{display:block;font:25px var(--serif);margin-bottom:12px;color:var(--ink)}.load-more{display:block;margin:22px auto;padding:10px 32px;border:1px solid var(--green);background:none;color:var(--green)}.library-footer{margin-top:56px;padding:24px 0 35px;border-top:1px solid var(--line);display:flex;gap:40px;justify-content:space-between;color:var(--muted);font-size:10px}.library-footer strong{display:block;font:17px var(--serif);color:var(--ink);margin-bottom:7px}.library-footer span{font:11px var(--serif);letter-spacing:1px}.library-footer p{margin:0;max-width:480px}.mobile-category{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}dialog{width:94vw;max-width:1250px;height:93vh;padding:0;border:0;background:var(--white);color:var(--ink)}dialog::backdrop{background:#11281ecc}.reader-head{display:flex;align-items:center;justify-content:space-between;padding:15px 23px;gap:20px}.reader-head small{color:var(--muted);font-size:10px}.reader-head h2{font:19px/1.35 var(--serif);margin:3px 0 0}.reader-head button{border:0;background:none;color:var(--ink);font-size:30px;padding:0 8px}.reader-tools{padding:10px 23px;background:var(--soft);display:flex;align-items:center;gap:20px;font-size:11px}.reader-tools>span{margin-right:auto;color:var(--muted)}#reader-frame{width:100%;height:calc(100% - 133px);border:0;background:var(--line)}@media(min-width:1700px){main{padding-left:64px;padding-right:64px}}@media(max-width:1100px){.site-header{gap:40px}.header-caption{display:none}.workspace{grid-template-columns:220px minmax(0,1fr)}main{padding:30px 30px 0}.shelf-grid{grid-template-columns:repeat(2,minmax(0,1fr))}h1{font-size:43px}h1 span{font-size:30px;margin-left:12px}.library-stamp{display:none}.summary{gap:28px}.doc-actions{gap:10px}}@media(max-width:760px){.site-header{height:76px;padding:0 20px;justify-content:space-between;gap:15px}.brand{font-size:18px;gap:10px}.brand b{font-size:15px}.site-header nav{gap:18px;font-size:12px}.site-header nav a:nth-child(2){display:none}.site-header nav span{padding:22px 0}.workspace{display:block}.sidebar{display:none}main{padding:24px 20px 0}.breadcrumbs{margin-bottom:27px;font-size:10px}.eyebrow{font-size:8px;letter-spacing:1.2px}h1{font-size:38px;letter-spacing:-1px}h1 span{font-size:26px;margin-left:11px;letter-spacing:1px}h1.compact{font-size:28px}.description{font-size:12px;line-height:1.8}.summary{gap:23px;margin:25px 0;flex-wrap:wrap}.summary strong{font-size:23px}.summary>div{gap:6px}.summary span{font-size:10px}.search-area{margin-bottom:15px;gap:8px}.search-input{padding:0 10px}.search-input input{font-size:11px}.search-input kbd{display:none}.mobile-category{display:flex;align-items:center;gap:14px;font-size:11px;margin:10px 0 24px}.mobile-category select{flex:1;min-width:0;height:39px;padding:9px}.shelf-grid{gap:10px}.shelf-card{padding:15px;min-height:180px}.shelf-card h3{font-size:17px}.card-fr{font-size:10px}.section-heading h2{font-size:20px}.document-row{grid-template-columns:20px minmax(0,1fr);gap:10px;padding:15px}.doc-actions{grid-column:2;justify-content:flex-start;margin-top:3px}.doc-title{font-size:14px}.collection summary{padding:15px;font-size:15px}.library-footer{flex-direction:column;gap:19px;margin-top:38px}.reader-head{padding:12px 15px}.reader-head h2{font-size:16px}.reader-tools{padding:10px 15px;gap:12px}.reader-tools>span{display:none}dialog{width:100vw;height:100dvh;max-width:none;max-height:none;margin:0}#reader-frame{height:calc(100% - 130px)}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.brand-icon{width:48px;height:48px;object-fit:contain}.brand{white-space:nowrap;color:#171717}.site-header nav{color:#606060;white-space:nowrap}.site-header nav .nav-label{border:0;color:#606060;padding:0}.site-header nav span[aria-current]{color:#171717}.site-header{background:#fff}@media(max-width:760px){.brand-icon{width:36px;height:36px}.site-header nav .nav-label{display:none}}
.nav-submenu{position:relative}.nav-submenu>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:28px 0}.nav-submenu>summary::-webkit-details-marker{display:none}.nav-submenu>summary::after{content:'';width:6px;height:6px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:-4px}.nav-submenu-links{position:absolute;top:100%;left:0;min-width:190px;padding:8px 0;background:#fff;border:1px solid var(--line);box-shadow:0 5px 16px #253d3612;z-index:10}.nav-submenu-links a{display:block;padding:12px 18px;color:#171717}.nav-submenu-links a:hover,.nav-submenu-links a:focus-visible{background:var(--paper);text-decoration:none}@media(max-width:760px){.site-header{flex-wrap:wrap;height:auto;min-height:76px;padding-top:12px;padding-bottom:12px}.site-header nav{gap:18px}.nav-submenu>summary{padding:12px 0}.nav-submenu-links{left:auto;right:0}}
.kr-site-header{line-height:1.4}
h1 .mirror-emphasis{font:inherit;font-weight:600}