/* 오에스 기술자료 공통 디자인 — 기술자료\make_tech.py 가 만든다. 직접 고치지 말고 tech_base.css·tech_extra.css 를 고칠 것 */
@font-face{font-family:'Nanum Square Neo';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/nsn-400-1022.woff2') format('woff2');}
@font-face{font-family:'Nanum Square Neo';font-style:normal;font-weight:700;font-display:swap;src:url('/fonts/nsn-700-1022.woff2') format('woff2');}
@font-face{font-family:'Nanum Square Neo';font-style:normal;font-weight:800;font-display:swap;src:url('/fonts/nsn-800-1022.woff2') format('woff2');}
:root{--navy:#122A54;--deep:#0A1730;--blue:#3D6FC4;--gold:#D8B65E;--gold-soft:#E9CE8E;--ink:#101828;--gray:#66708A;--line:#E3E7EF;--bg:#F7F8FB;--pad:clamp(18px,5vw,64px);}
*{box-sizing:border-box;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Nanum Square Neo','NanumSquareNeo','Pretendard','Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:clamp(15px,3.9vw,16px);line-height:1.85;letter-spacing:-.011em;word-break:keep-all;overflow-wrap:anywhere;}
.wrap{max-width:860px;margin:0 auto;background:#fff;box-shadow:0 0 40px rgba(16,24,40,.06);}

.tnav{background:var(--deep);padding:12px var(--pad);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.tnav a.tb{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:700;font-size:14px;flex-shrink:0;}
.tnav a.tb img{width:22px;height:22px;border-radius:4px;display:block;}
.tnav a.tlist{color:#C7D0E2;text-decoration:none;font-size:12px;font-weight:600;border:1px solid rgba(233,206,142,.35);padding:6px 12px;border-radius:20px;white-space:nowrap;}
.tnav a.tlist:hover{background:rgba(233,206,142,.12);color:#fff;}

.hd{background:linear-gradient(150deg,var(--deep),var(--navy) 70%,#1B3B6F);color:#fff;padding:clamp(34px,8vw,64px) var(--pad) clamp(28px,7vw,52px);position:relative;overflow:hidden;}
.hd::after{content:'';position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(216,182,94,.07);}
.cat{display:inline-block;font-size:11.5px;letter-spacing:.14em;color:var(--deep);background:var(--gold);padding:4px 11px;border-radius:3px;font-weight:800;margin-bottom:16px;}
.hd h1{margin:0 0 14px;font-size:clamp(23px,6vw,36px);font-weight:800;line-height:1.35;letter-spacing:-.035em;position:relative;z-index:1;}
.hd h1 em{font-style:normal;color:var(--gold-soft);}
.hd .lead{font-size:clamp(13.5px,3.5vw,16px);color:#C7D0E2;font-weight:300;line-height:1.8;max-width:640px;position:relative;z-index:1;}
.hd .lead b,.hd .lead strong{color:#fff;font-weight:700;}
.hd .lead mark{background:rgba(216,182,94,.28);color:#FFF3D4;}
.hd .lead mark.p{background:rgba(216,120,94,.3);color:#FFE3DA;}
.hd .meta{margin-top:22px;padding-top:16px;border-top:1px solid rgba(233,206,142,.26);font-size:12px;color:#98A5C0;position:relative;z-index:1;}

article{padding:clamp(28px,7vw,52px) var(--pad) 0;}
h2{font-size:clamp(19px,5vw,25px);font-weight:800;color:var(--navy);letter-spacing:-.032em;line-height:1.4;margin:clamp(38px,8vw,54px) 0 14px;padding-bottom:10px;border-bottom:2px solid var(--gold);}
h2:first-child{margin-top:0;}
h3{font-size:clamp(16px,4.2vw,19px);font-weight:800;color:var(--deep);margin:30px 0 10px;letter-spacing:-.025em;line-height:1.45;}
p{margin:0 0 16px;}
strong,b{color:var(--navy);font-weight:700;}

mark{background:linear-gradient(180deg,transparent 46%,#FCEFAE 46%,#FAE58B 92%,transparent 92%);padding:0 2px;}
mark.p{background:linear-gradient(180deg,transparent 46%,#FBD6D2 46%,#F7BDB6 92%,transparent 92%);}

.lede{font-size:clamp(16px,4.2vw,18px);color:var(--deep);font-weight:500;line-height:1.8;border-left:4px solid var(--gold);padding:4px 0 4px 18px;margin:0 0 26px;}

.vs{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:18px 0;}
.vs .vh{background:var(--navy);color:#fff;padding:12px 18px;font-size:clamp(15px,4vw,17px);font-weight:700;letter-spacing:-.02em;}
.vs .vb{display:grid;grid-template-columns:1fr 1fr;}
.vs .vc{padding:15px 18px;font-size:clamp(13.5px,3.6vw,14.5px);line-height:1.75;}
.vs .vc:first-child{border-right:1px solid var(--line);background:#FEF7F5;}
.vs .vc:last-child{background:#F5FAF6;}
.vs .vt{font-size:11.5px;font-weight:800;letter-spacing:.08em;margin-bottom:6px;}
.vs .vc:first-child .vt{color:#993C1D;}
.vs .vc:last-child .vt{color:#3B6D11;}
@media(max-width:620px){.vs .vb{grid-template-columns:1fr;}.vs .vc:first-child{border-right:none;border-bottom:1px solid var(--line);}}

.biyu{background:#FCFAF3;border:1px solid var(--gold-soft);border-radius:8px;padding:clamp(15px,4vw,20px);margin:18px 0;font-size:clamp(14px,3.7vw,15px);}
.biyu .bl{display:block;font-size:11.5px;letter-spacing:.12em;color:var(--gold);font-weight:800;margin-bottom:7px;}

.warn{background:#FEF6F5;border-left:4px solid #D85A30;border-radius:0 6px 6px 0;padding:clamp(15px,4vw,20px);margin:18px 0;font-size:clamp(14px,3.7vw,15px);}
.warn .wl{display:block;font-weight:800;color:#993C1D;margin-bottom:6px;font-size:clamp(14.5px,3.8vw,15.5px);}
.note{background:#F4F7FD;border-left:4px solid var(--blue);border-radius:0 6px 6px 0;padding:clamp(15px,4vw,20px);margin:18px 0;font-size:clamp(14px,3.7vw,15px);}
.note .nl{display:block;font-weight:800;color:var(--navy);margin-bottom:6px;font-size:clamp(14.5px,3.8vw,15.5px);}

.bldg{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:22px 0;}
.bcard{border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:0 0 8px 8px;padding:16px 18px;background:#fff;}
.bcard .t{font-size:clamp(15px,4vw,16px);font-weight:800;color:var(--navy);letter-spacing:-.02em;}
.bcard .s{font-size:12.5px;color:var(--gold);font-weight:700;margin:2px 0 8px;}
.bcard .d{font-size:clamp(13.5px,3.6vw,14px);line-height:1.72;}

ol.path{counter-reset:p;list-style:none;padding:0;margin:20px 0;}
ol.path li{counter-increment:p;position:relative;padding:14px 0 14px 52px;border-bottom:1px solid var(--line);}
ol.path li::before{content:counter(p);position:absolute;left:0;top:15px;width:32px;height:32px;background:var(--navy);color:var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;}
ol.path .h{font-weight:800;color:var(--navy);font-size:clamp(15px,4vw,16px);}
ol.path .b{font-size:clamp(13.5px,3.6vw,14.5px);margin-top:3px;}

.chk{background:#F7F9FC;border:1px solid var(--line);border-radius:9px;padding:clamp(18px,4.5vw,24px);margin:22px 0;}
.chk h4{margin:0 0 14px;font-size:clamp(16px,4.2vw,18px);font-weight:800;color:var(--navy);letter-spacing:-.025em;}
.chk ul{list-style:none;padding:0;margin:0;}
.chk li{padding:11px 0 11px 32px;position:relative;border-bottom:1px dashed var(--line);font-size:clamp(13.5px,3.6vw,14.5px);}
.chk li:last-child{border-bottom:none;}
.chk li::before{content:'';position:absolute;left:2px;top:16px;width:15px;height:15px;border:2px solid var(--blue);border-radius:3px;}
.chk li b{color:var(--navy);}
.chk code{background:#fff;border:1px solid var(--line);border-radius:3px;padding:1px 6px;font-family:ui-monospace,Menlo,monospace;font-size:.92em;color:var(--navy);}

.tbl-wrap{overflow-x:auto;margin:18px 0;border:1px solid var(--line);border-radius:9px;}
table.dt{width:100%;border-collapse:collapse;font-size:clamp(13px,3.5vw,14px);}
table.dt th{background:var(--navy);color:#fff;text-align:left;padding:11px 14px;font-weight:700;white-space:nowrap;}
table.dt td{padding:11px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--gold-soft);vertical-align:top;}
table.dt td:last-child{border-right:none;}
table.dt tr:last-child td{border-bottom:none;}
table.dt tr:nth-child(even) td{background:#FAFBFD;}

.diag{background:#F7F9FC;border:1px solid var(--line);border-radius:10px;padding:clamp(16px,4vw,26px);margin:22px 0;}
.diag h4{margin:0 0 6px;font-size:clamp(16px,4.2vw,18px);font-weight:800;color:var(--navy);}
.diag .dsub{font-size:12.5px;color:var(--gray);margin-bottom:16px;}
.diag-item{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed var(--line);}
.diag-item:last-of-type{border-bottom:none;}
.diag-item input[type=checkbox]{width:20px;height:20px;margin-top:2px;accent-color:var(--blue);flex-shrink:0;cursor:pointer;}
.diag-item label{flex:1;cursor:pointer;font-size:clamp(13.5px,3.6vw,14.5px);line-height:1.7;}
.diag-item label b{color:var(--navy);}
.diag-item .wt{font-size:11px;color:var(--gold);font-weight:800;letter-spacing:.04em;white-space:nowrap;margin-top:3px;}
.diag-bar-wrap{height:10px;background:#E3E7EF;border-radius:6px;overflow:hidden;margin:18px 0 8px;}
.diag-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--blue),var(--gold));transition:width .4s ease;border-radius:6px;}
.diag-score{font-size:12.5px;color:var(--gray);text-align:center;margin-bottom:14px;}
.diag-result{padding:16px 18px;border-radius:8px;font-weight:800;text-align:center;font-size:clamp(14px,3.8vw,15.5px);background:#F0F3F9;color:var(--navy);transition:background .3s,color .3s;line-height:1.7;}
.diag-result.r-high{background:#FEF0EE;color:#993C1D;}
.diag-result.r-mid{background:#FCF6E8;color:#8A6A16;}
.diag-result.r-low{background:#EEF7F0;color:#2E6B3E;}
.diag-reset{display:block;margin:14px auto 0;background:none;border:1px solid var(--line);color:var(--gray);font-size:12px;padding:7px 16px;border-radius:20px;cursor:pointer;}
.diag-reset:hover{border-color:var(--gold);color:var(--navy);}

/* ---- 고장 조치 사례(케이스) 전용 ---- */
.case-meta{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:0 0 26px;}
.case-meta div{padding:13px 16px;border-right:1px solid var(--line);}
.case-meta div:last-child{border-right:none;}
.case-meta .k{display:block;font-size:10.5px;letter-spacing:.1em;color:var(--gray);font-weight:800;margin-bottom:5px;}
.case-meta .v{font-size:clamp(13px,3.5vw,14.5px);font-weight:700;color:var(--navy);line-height:1.5;}
@media(max-width:700px){.case-meta{grid-template-columns:1fr 1fr;}.case-meta div:nth-child(2){border-right:none;}.case-meta div:nth-child(1),.case-meta div:nth-child(2){border-bottom:1px solid var(--line);}}

figure.shot{margin:20px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;}
figure.shot img{width:100%;height:auto;display:block;}
figure.shot figcaption{padding:11px 16px;font-size:12.5px;color:var(--gray);background:#F7F9FC;border-top:1px solid var(--line);line-height:1.6;}

ol.steps{counter-reset:s;list-style:none;padding:0;margin:16px 0;}
ol.steps li{counter-increment:s;position:relative;padding:12px 0 12px 44px;border-bottom:1px solid var(--line);font-size:clamp(13.5px,3.6vw,14.5px);line-height:1.75;}
ol.steps li:last-child{border-bottom:none;}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:13px;width:27px;height:27px;background:var(--gold);color:var(--deep);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:12.5px;}
ol.steps code{background:#F7F9FC;border:1px solid var(--line);border-radius:3px;padding:1px 6px;font-family:ui-monospace,Menlo,monospace;font-size:.92em;color:var(--navy);}

/* ---- 용어사전 전용 ---- */
.toc-box{background:#F7F9FC;border:1px solid var(--line);border-radius:9px;padding:clamp(16px,4vw,22px);margin:0 0 8px;}
.toc-box .tt{font-size:10.5px;letter-spacing:.18em;color:var(--gold);font-weight:800;margin-bottom:11px;}
.toc-box ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(155px,1fr));gap:7px;}
.toc-box a{display:block;font-size:12.5px;color:var(--navy);text-decoration:none;font-weight:600;padding:8px 11px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold-soft);border-radius:0 4px 4px 0;}
.toc-box a:hover{background:var(--navy);color:#fff;border-left-color:var(--gold);}

.term{border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:0 6px 6px 0;padding:15px 17px;margin:13px 0;background:#fff;}
.term.key{border-left-color:var(--blue);background:#F9FBFF;}
.term .n{font-size:clamp(15px,4vw,16.5px);font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.4;}
.term .n small{font-size:11.5px;font-weight:400;color:var(--gray);margin-left:7px;letter-spacing:0;}
.term .one{font-size:clamp(13px,3.5vw,13.8px);margin:7px 0 0;font-weight:500;line-height:1.78;}
.term .bi{margin-top:9px;padding:9px 12px;background:#FCFAF3;border-radius:4px;font-size:clamp(12.5px,3.4vw,13.2px);line-height:1.75;}
.term .bi b{color:var(--navy);}
.term .wy{margin-top:8px;padding:9px 12px;background:#F4F7FD;border-left:3px solid var(--blue);border-radius:0 3px 3px 0;font-size:clamp(12.5px,3.4vw,13.2px);line-height:1.75;}
.term .wy .lb{display:block;font-size:10.5px;letter-spacing:.1em;color:var(--blue);font-weight:800;margin-bottom:3px;}
.term .wn{margin-top:8px;padding:9px 12px;background:#FEF6F5;border-left:3px solid #D85A30;border-radius:0 3px 3px 0;font-size:clamp(12.5px,3.4vw,13.2px);line-height:1.75;}
.term .wn .lb{display:block;font-size:10.5px;letter-spacing:.1em;color:#993C1D;font-weight:800;margin-bottom:3px;}
.term .tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0 2px;}
.term table{width:100%;border-collapse:collapse;font-size:clamp(12.5px,3.3vw,13.2px);}
.term td{padding:9px 11px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.68;}
.term tr:last-child td{border-bottom:none;}
.term tr:nth-child(even) td{background:#FAFBFD;}
.term td.t{font-weight:800;color:var(--navy);white-space:nowrap;}
@media(max-width:560px){.term table{min-width:420px;}}
mark.b{background:linear-gradient(180deg,transparent 46%,#CFE0FA 46%,#B7D0F5 92%,transparent 92%);}
h2.gl{scroll-margin-top:14px;}

.cta{background:linear-gradient(135deg,var(--deep),var(--navy));color:#fff;padding:clamp(26px,6.5vw,42px) var(--pad);margin-top:clamp(38px,8vw,56px);}
.cta h3{color:#fff;font-size:clamp(18px,4.8vw,23px);margin:0 0 12px;letter-spacing:-.03em;}
.cta p{color:#C3CBDD;font-size:clamp(13.5px,3.6vw,15px);margin-bottom:20px;font-weight:300;}
.cta .btns{display:flex;gap:11px;flex-wrap:wrap;}
.cta a{display:inline-block;background:var(--gold);color:var(--deep);text-decoration:none;font-weight:800;padding:13px 26px;border-radius:5px;font-size:clamp(14px,3.7vw,15px);}
.cta a.o{background:transparent;color:var(--gold-soft);border:1.5px solid rgba(233,206,142,.5);}
.cta a:hover{background:var(--gold-soft);}
.cta a.o:hover{background:rgba(233,206,142,.12);color:#fff;}

.rel{padding:clamp(24px,6vw,38px) var(--pad);background:#F7F9FC;border-top:1px solid var(--line);}
.rel .rt{font-size:11.5px;letter-spacing:.16em;color:var(--gold);font-weight:800;margin-bottom:14px;}
.rel ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:9px;}
.rel a{display:block;background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold-soft);border-radius:0 5px 5px 0;padding:12px 15px;color:var(--navy);text-decoration:none;font-size:clamp(13.5px,3.6vw,14.5px);font-weight:500;}
.rel a:hover{background:var(--navy);color:#fff;}

footer{background:var(--deep);color:#8E9AB5;padding:24px var(--pad);font-size:12px;line-height:1.8;}
footer b{color:var(--gold-soft);font-size:14px;}
#top{position:fixed;right:16px;bottom:16px;z-index:99;background:var(--navy);color:#fff;text-decoration:none;width:46px;height:46px;border-radius:50%;text-align:center;line-height:46px;font-size:18px;box-shadow:0 4px 14px rgba(16,24,40,.28);}
@media print{#top,.cta,.rel,.tnav{display:none!important;}body{background:#fff;}.wrap{box-shadow:none;}}

/* ===== 2026-10-22 공통 틀 보정 ===== */
/* 가독성: 회색 진하게 · 얇은 글씨(300) 없애기 · 작은 글씨 +1px 안팎 */
:root{--gray:#4B5568;}
body{font-size:clamp(15.5px,4vw,16.5px);}
.hd .lead{color:#DCE2EE;font-weight:400;}
.hd .meta{color:#B4BED3;font-size:12.5px;}
.cta p{color:#D6DCE9;font-weight:400;}
footer{color:#AEB8CD;font-size:12.5px;}
.tnav a.tlist{color:#DCE2EE;font-size:12.5px;}
.bcard .s{font-size:13px;}
.vs .vt,.biyu .bl,.rel .rt{font-size:12px;}
.vs .vc,.bcard .d,.chk li,ol.path .b,ol.steps li{font-size:clamp(14px,3.7vw,15px);}
.term .one{font-size:clamp(14px,3.7vw,14.5px);}
.term .bi,.term .wy,.term .wn{font-size:clamp(13.5px,3.6vw,14px);}
.diag .dsub,.diag-score,figure.shot figcaption,.toc-box a{font-size:13.5px;}
.case-meta .k{font-size:11.5px;}
.diag-item .wt{font-size:12px;}
/* 표 첫 칸(단계·항목 이름)은 한 줄로 */
table.dt td:first-child{white-space:nowrap;}
/* 메뉴 경로 줄은 끊기지 않게 */
.note .nl,.warn .wl{letter-spacing:-.01em;}

/* 홈페이지 기술자료는 화면으로만 — 인쇄·PDF 저장을 하면 안내 한 줄만 나온다 (사내 자료실은 따로) */
@media print{
  body *{display:none !important;}
  body{background:#fff !important;}
  body::before{content:'이 자료는 화면으로만 볼 수 있어요 · 오에스 9912.co.kr · 1661-9912';display:block;padding:48px 24px;font-size:16px;color:#122A54;}
}