/* 특허독점닷컴 — 공통 스타일 */
:root{--ink:#14202B;--ink2:#2B3743;--muted:#4A5563;--muted2:#5F6B78;--line:#E3E7EC;--line2:#EEF1F4;--line3:#CBD3DC;--bg:#F4F6F9;--brand:#1D4E89;--brand-d:#163C69;--brand-soft:#E8F0FA;--accent:#C2410C;--accent-d:#A8380A;--ok:#0F766E;--navy1:#1A1C48;--navy2:#3D4A92;--navy3:#4A86B0}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#FFFFFF;color:var(--ink);font-family:'Noto Sans KR',system-ui,-apple-system,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;font-size:17px;line-height:1.6;word-break:keep-all;overflow-wrap:break-word}
a{color:var(--brand)}a:hover{color:var(--brand-d)}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 12px;z-index:10}.skip:focus{left:8px}
.wrap{max-width:1240px;margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px)}
.wrap-narrow{max-width:920px;margin:0 auto;padding-left:clamp(16px,4vw,32px);padding-right:clamp(16px,4vw,32px)}
.page{padding-top:24px;padding-bottom:72px}
.page-top{padding-top:24px}
.h1{margin:0 0 8px;font-size:clamp(26px,3.2vw,34px);line-height:1.3;font-weight:900;letter-spacing:-0.02em}
.h2{margin:0 0 8px;font-size:clamp(28px,3.2vw,36px);line-height:1.3;font-weight:900;letter-spacing:-0.02em}
.h3{margin:0 0 14px;font-size:22px;font-weight:800}
.h4{margin:0 0 10px;font-size:18px;font-weight:800}
.lead{margin:0 0 20px;font-size:18px;color:var(--muted)}
.muted{color:var(--muted2);font-size:16px}
.num{font-variant-numeric:tabular-nums}
.center{display:flex;justify-content:center;margin-top:32px}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:8px;border:0;font-size:17px;font-weight:700;text-decoration:none;cursor:pointer;line-height:1.2;text-align:center}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-d);color:#fff}
.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:var(--brand-d);color:#fff}
.btn-line{background:#fff;border:1px solid var(--line3);color:var(--ink)}.btn-line:hover{border-color:var(--navy2);color:var(--brand)}
.btn-ghost{border:1px solid #A9B4C4;color:#fff;background:transparent}.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-lg{min-height:54px;padding:0 26px;font-size:18px}
.btn-sm{min-height:44px;padding:0 16px}
.btn-block{display:flex;width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}
.btn[disabled]{background:#E3E7EC;color:var(--muted2);cursor:not-allowed}

/* 헤더 */
.site-head{background:#fff;border-bottom:1px solid var(--line)}
.head-row{padding-top:21px;padding-bottom:21px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 28px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;padding:6px 0}
.brand-text{display:flex;flex-direction:column;gap:5px;line-height:1.2}
.brand-tag{font-size:13px;font-weight:500;color:var(--muted)}
.brand-name{font-size:26px;font-weight:900;letter-spacing:-0.03em;color:#11264F}.brand-name span{color:#2A78C8}
.gnb{display:flex;flex-wrap:wrap;gap:0 26px;font-size:17px;font-weight:600}
.gnb a{position:relative;color:var(--ink);text-decoration:none;padding:12px 2px;transition:color .2s ease}
.gnb a::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--navy1),var(--navy2) 60%,var(--navy3));transform:scaleX(0);transform-origin:left center;transition:transform .25s ease}
.gnb a:hover,.gnb a:focus-visible,.gnb a[aria-current="page"]{color:var(--brand)}
.gnb a:hover::after,.gnb a:focus-visible::after,.gnb a[aria-current="page"]::after{transform:scaleX(1)}
.head-cta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.tel{display:flex;align-items:center;gap:6px;padding:10px 14px;font-size:17px;font-weight:700;color:var(--ink);text-decoration:none}

/* 히어로 */
.hero{background:linear-gradient(90deg,rgba(26,28,72,.97) 0%,rgba(34,40,102,.93) 32%,rgba(61,74,146,.87) 62%,rgba(74,134,176,.85) 100%),url(/img/hero.svg) right center/cover no-repeat #1A1C48}
.hero-row{padding-top:88px;padding-bottom:80px;display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.hero-main{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:22px}
.hero-kicker{margin:0;display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:#8FD9CE}
.hero h1{margin:0;font-size:clamp(36px,4.8vw,60px);line-height:1.22;font-weight:900;letter-spacing:-0.02em;color:#fff}
.hero-lead{margin:0;max-width:620px;font-size:20px;line-height:1.7;color:#D3DCE6}
.hero-search{display:flex;flex-wrap:wrap;gap:8px;padding:8px;background:#fff;border-radius:12px;max-width:680px;box-shadow:0 8px 24px rgba(0,0,0,.25)}
.hero-search select{min-height:54px;padding:0 14px;border:0;border-radius:8px;background:var(--bg);font-size:17px}
.hero-search input{flex:1 1 220px;min-width:0;min-height:54px;padding:0 12px;border:0;font-size:18px;background:transparent}
.hero-search input:focus{outline:2px solid var(--brand-soft)}
.hero-search .btn{min-height:54px;padding:0 26px;font-size:18px}
.hero-chips{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:16px}
.hero-chips>span{color:#B7C4D2}
.hchip{padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.25);color:#E6ECF2;text-decoration:none}
.hchip:hover{background:rgba(255,255,255,.16);color:#fff}
.hero-side{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:12px}
.hero-side h2{margin:0;font-size:17px;font-weight:700;color:#B7C4D2}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tiles-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:520px){.tiles-3{grid-template-columns:1fr}}
.tile{display:flex;flex-direction:column;gap:14px;padding:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:12px;color:#9DC0EA}
.tile strong{font-size:23px;font-weight:800;color:#fff}
.tile div{display:flex;flex-wrap:wrap;gap:14px;font-size:16px;font-weight:500}
.tile a{color:#BFD6F2;padding:4px 0}.tile a:hover{color:#fff}

/* 거래 절차 */
.process{background:var(--bg);border-bottom:1px solid var(--line)}
.process>.wrap{padding-top:72px;padding-bottom:80px}
.process-head{text-align:center;margin-bottom:48px}
.process-head p{margin:0;font-size:19px;color:var(--muted)}
.eyebrow{margin:0 0 10px!important;font-size:16px!important;font-weight:800;letter-spacing:.08em;color:var(--accent)!important}
.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:40px 36px}
.steps li{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px}
.steps strong{font-size:23px;font-weight:800}
.steps p{margin:0;font-size:17px;line-height:1.65;color:#3A4654}
.step-ico{position:relative;display:flex;align-items:center;justify-content:center;width:104px;height:104px;border-radius:50%;color:#fff;box-shadow:0 10px 24px rgba(26,28,72,.25)}
.step-ico svg{stroke-width:1.8}
.step-ico span{position:absolute;top:-4px;right:-4px;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-size:17px;font-weight:900;border:3px solid var(--bg)}
.s1{background:linear-gradient(135deg,#1A1C48 0%,#3D4A92 100%)}.s2{background:linear-gradient(135deg,#22286A 0%,#3F55A0 100%)}
.s3{background:linear-gradient(135deg,#2D3A84 0%,#4568A8 100%)}.s4{background:linear-gradient(135deg,#3A5596 0%,#4A86B0 100%)}
.step-arrow{position:absolute;top:44px;right:-26px;z-index:1;color:#9AA8B8}
@media (max-width:760px){.step-arrow{display:none}}
.badge-line{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line3);font-size:15px;font-weight:700;color:var(--brand)}

/* 섹션 */
.sec{padding-top:72px;padding-bottom:72px}
.sec-tight{padding-bottom:72px}
.sec-head{margin-bottom:22px}.sec-head p{margin:0;font-size:18px;color:var(--muted)}
.sec-row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.sec-row a{font-size:17px;font-weight:700;text-decoration:none;padding:8px 0}

/* 탭 */
.tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:30px}
.tabs button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:74px;padding:0 12px;border:1px solid var(--line3);border-radius:12px;background:#fff;color:var(--ink);font-size:clamp(17px,1.8vw,22px);font-weight:800;letter-spacing:-0.01em;cursor:pointer}
.tabs button .pill{padding:4px 10px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:14px;font-weight:700}
.tabs button[aria-selected="true"]{border:0;background:linear-gradient(90deg,#1A1C48 0%,#2E3678 55%,#3D4A92 100%);color:#fff;box-shadow:0 6px 16px rgba(26,28,72,.28)}
.tabs button[aria-selected="true"] .pill{background:var(--accent);color:#fff}

/* 카드 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.cards-sm{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
@media (max-width:400px){.cards{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);transition:box-shadow .2s,border-color .2s}
.card:hover{border-color:var(--line3);box-shadow:0 8px 20px rgba(20,32,43,.08);color:var(--ink)}
.card img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff;border-bottom:1px solid var(--line2)}
.card-body{flex:1 1 auto;display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px}
.card h3{margin:0;font-size:20px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin:0;font-size:15px;color:var(--muted2);font-variant-numeric:tabular-nums}
.card-price{margin-top:auto;padding-top:14px;border-top:1px solid var(--line2);font-size:23px;font-weight:800;font-variant-numeric:tabular-nums}
.card-sm .card-body{padding:16px 20px 20px;gap:8px}.card-sm h3{font-size:17px}.card-sm .card-price{font-size:19px;padding-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:4px}
.chip{display:inline-block;padding:4px 9px;border-radius:6px;background:var(--bg);color:var(--muted);font-size:14px;font-weight:500}
.chip-brand{background:var(--brand-soft);color:var(--brand);font-weight:700}

/* 빈 상태·알림 */
.empty{padding:48px 24px;text-align:center;background:var(--bg);border-radius:12px}
.empty p{margin:0 0 8px;font-size:17px;color:var(--muted)}.empty p strong{color:var(--ink)}
.empty .btn{margin-top:8px}
.notice-box{padding:32px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;flex-direction:column;gap:12px}
.notice-box.ok{border-color:#B9DDD7;background:#F3FAF9}.notice-box.ok .h3{display:flex;gap:8px;align-items:center;color:var(--ok)}
.alert{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:10px;font-size:16px;line-height:1.6}
.alert p{margin:0}
.alert svg{flex:none;margin-top:2px}
.alert strong{display:block;font-size:17px;margin-bottom:2px}
.alert-ok{background:#E6F4F2;border:1px solid #B9DDD7;color:#0B5F58}
.alert-warn{background:#FFF4E5;border:1px solid #F2C98F;color:#7A4206}
.alert-err{background:#FDECEC;border:1px solid #F0B6B6;color:#7A1A1A;flex-direction:column}
.alert-err[role="note"]{flex-direction:row}

/* CTA 띠 */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:clamp(32px,4vw,52px);background:linear-gradient(90deg,#1A1C48 0%,#2A3170 45%,#3D4A92 100%);border-radius:16px}
.cta-band>div:first-child{flex:1 1 420px;min-width:0}
.cta-band h2{margin:0 0 12px;font-size:clamp(26px,2.8vw,32px);font-weight:800;color:#fff}
.cta-band p{margin:0;font-size:19px;line-height:1.7;color:#D3DAE2}
.cta-band.small{margin:40px 0;padding:28px}.cta-band.small h2{font-size:22px}.cta-band.small p{font-size:17px}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px}

/* FAQ */
.sec-faq{padding-bottom:80px}
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line);margin-top:22px}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{font-size:20px;font-weight:700;cursor:pointer}
.faq details p{margin:14px 0 0;font-size:17px;line-height:1.8;color:#3A4654}

/* 브레드크럼·목록 */
.crumb{font-size:16px;color:var(--muted2);margin-bottom:16px}
.crumb a{color:var(--muted2);text-decoration:none}.crumb a:hover{color:var(--brand);text-decoration:underline}
.list-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:20px}
.list-head .lead{margin:0}
.seg{display:flex;gap:4px;padding:4px;background:var(--bg);border-radius:10px}
.seg a{padding:10px 18px;border-radius:8px;color:var(--muted);font-size:17px;font-weight:500;text-decoration:none}
.seg a[aria-selected="true"]{background:#fff;color:var(--ink);font-weight:700}
.list-layout{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.filters{flex:1 1 240px;min-width:0;display:flex;flex-direction:column;gap:28px}
.ftitle{margin:0 0 12px;font-size:17px;font-weight:800}
.fchips{display:flex;flex-wrap:wrap;gap:8px}
.fchip{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line3);background:#fff;color:var(--ink);font-size:16px;text-decoration:none}
.fchip:hover{border-color:var(--navy2);color:var(--brand)}
.fchip[aria-current="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.fradio{display:flex;flex-direction:column;gap:2px}
.fradio a{display:flex;align-items:center;gap:10px;min-height:38px;color:var(--ink);text-decoration:none}
.fradio .dot{width:18px;height:18px;border-radius:50%;border:2px solid #9AA8B8;flex:none}
.fradio a[aria-current="true"] .dot{border:5px solid var(--brand)}
.list-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:12px}
.list-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px}
.list-tools p{margin:0;font-size:17px;color:var(--muted)}.list-tools p strong{color:var(--ink)}
.list-tools>div{display:flex;flex-wrap:wrap;gap:8px;flex:1 1 320px;justify-content:flex-end}
.list-tools input,.list-tools select{min-height:44px;padding:0 12px;border:1px solid var(--line3);border-radius:8px;background:#fff;font-size:17px}
.list-tools input{flex:1 1 200px;min-width:0;max-width:300px}
.lgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:1000px){.lgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.lgrid{grid-template-columns:1fr}}
.lrow{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink)}
.lrow:hover{border-color:var(--line3);box-shadow:0 6px 16px rgba(20,32,43,.06);color:var(--ink)}
.lrow img{display:block;width:100%;height:auto;max-width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;border-bottom:1px solid var(--line2)}
.lrow-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;padding:16px 18px 0}
.lrow-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:14px;color:var(--muted2);font-variant-numeric:tabular-nums}
.lrow h2{margin:0;font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lrow-price{margin:12px 18px 18px;padding-top:12px;border-top:1px solid var(--line2);font-size:20px;font-weight:800;font-variant-numeric:tabular-nums}
.pager{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:20px}
.pager a{min-width:42px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line3);border-radius:8px;color:var(--ink);text-decoration:none}
.pager a[aria-current="page"]{background:var(--brand);border-color:var(--brand);color:#fff}

/* 상세 */
.detail{display:flex;flex-direction:column;gap:32px}
.detail-title{margin-bottom:8px}
.detail-meta{margin:0 0 10px;font-size:17px;color:var(--muted2);font-variant-numeric:tabular-nums}
.detail-lead{margin:0;font-size:17px;line-height:1.7;color:var(--ink2);max-width:880px}
.two-col{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.col-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:12px}
.stack{gap:32px}
.figure{position:relative;margin:0;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.figure img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff}
.fig-dl{position:absolute;top:12px;right:12px;z-index:1;display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:#fff;border:1px solid var(--line3);border-radius:8px;font-size:15px;font-weight:700;color:var(--brand);text-decoration:none;box-shadow:0 2px 6px rgba(20,32,43,.08)}.fig-dl:hover{background:var(--brand-soft);color:var(--brand-d)}
.figure figcaption{padding:10px 16px;border-top:1px solid var(--line2);font-size:15px;color:var(--muted2)}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px}
.thumbs button{padding:0;aspect-ratio:4/3;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden;cursor:pointer}
.thumbs button[aria-pressed="true"]{border:2px solid var(--brand)}
.thumbs img{display:block;width:100%;height:100%;object-fit:contain}
.buybox{flex:1 1 340px;min-width:0;display:flex;flex-direction:column;gap:12px;padding:24px;border:1px solid var(--line);border-radius:12px;background:#fff}
.buybox-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:16px;font-weight:500;color:var(--muted)}
.pill-soft{padding:3px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:15px;font-weight:700}
.buybox-price{font-size:36px;font-weight:900;letter-spacing:-0.02em;font-variant-numeric:tabular-nums}
.buybox .muted{margin:-6px 0 4px}
.checks{margin:4px 0 0;padding:16px 0 0;border-top:1px solid var(--line2);list-style:none;display:flex;flex-direction:column;gap:8px;font-size:16px;color:var(--muted)}
.checks li{display:flex;gap:8px;align-items:flex-start}.checks svg{flex:none;margin-top:4px;color:var(--ok);stroke-width:2.6}
.facts{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);column-gap:24px}
@media (max-width:560px){.facts{grid-template-columns:1fr}}
.facts div{padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:15px;color:var(--muted2);margin-bottom:4px}
.facts dd{margin:0;font-size:18px;font-weight:700}
.facts dd.ok{color:var(--ok)}
.source{margin:12px 0 0;font-size:15px;color:var(--muted2)}
.prose{font-size:18px;line-height:1.85;color:var(--ink2)}
.prose p{margin:0 0 12px}
.prose table{border-collapse:collapse;width:100%}.prose td,.prose th{border:1px solid var(--line);padding:8px}
.inquiry{flex:1 1 340px;min-width:0;padding:24px;background:var(--bg);border-radius:12px}
.inquiry .h3{margin-bottom:6px}
.inquiry>.muted{margin:0 0 18px}
.faq-box{padding:28px;background:var(--bg);border-radius:12px;display:flex;flex-direction:column;gap:14px}
.faq-box .h3{margin:0 0 2px}
.faq-item{padding:18px 20px;background:#fff;border-radius:10px}
.faq-item h3{margin:0 0 6px;font-size:18px;font-weight:700}
.faq-item p{margin:0;font-size:17px;line-height:1.75;color:var(--ink2)}

/* 폼 */
.form{display:flex;flex-direction:column;gap:14px}
.form fieldset{margin:0;padding:0;border:0;display:flex;flex-direction:column;gap:16px}
.form legend{margin:0 0 16px;padding:0;font-size:20px;font-weight:800}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.label{font-size:16px;font-weight:700}
.form input[type=text],.form input[type=tel],.form input[type=email],.form input[type=search],.form input[type=password],.form select,.form textarea{min-height:48px;padding:0 12px;border:1px solid var(--line3);border-radius:8px;background:#fff;font-size:18px;width:100%}
.form textarea{padding:10px 12px;resize:vertical;min-height:auto}
.form input[type=file]{padding:10px;border:1px solid var(--line3);border-radius:8px;background:#fff;font-size:16px;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.opt{font-weight:400;color:var(--muted2)}
.req{color:#A11D1D;font-weight:700}
.hint{margin:0;font-size:15px;color:var(--muted2)}
.check{display:flex;align-items:flex-start;gap:10px;font-size:16px;line-height:1.5;cursor:pointer}
.check input{flex:none;width:18px;height:18px;margin-top:3px;accent-color:var(--brand)}
.checks-inline{display:flex;flex-wrap:wrap;gap:16px;font-size:17px}
.inline{display:flex;flex-wrap:wrap;gap:8px}.inline input{flex:1 1 220px;min-width:0}
.inline.narrow{max-width:360px;align-items:center}.unit{font-size:18px;font-weight:700}
.num-right{text-align:right;font-variant-numeric:tabular-nums}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radio-card{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 18px;border:2px solid var(--line3);border-radius:8px;background:#fff;font-size:17px;font-weight:700;cursor:pointer}
.radio-card input{width:18px;height:18px;accent-color:var(--brand)}
.radio-card.on{border-color:var(--brand);background:var(--brand-soft)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.upload-box{display:flex;flex-direction:column;gap:14px;padding:20px;border:1px dashed #A9B6C4;border-radius:12px;background:#F8FAFC}
.upload-box>.btn{align-self:flex-start}
.form-msg{margin:0;font-size:16px}
.form-msg.ok{color:var(--ok);font-weight:700}.form-msg.err{color:#A11D1D}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.submit-area{display:flex;flex-direction:column;gap:16px;padding-top:24px;border-top:1px solid var(--line)}
.submit-area>.btn{align-self:flex-start}
.flow{margin:0 0 32px;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px}
.flow li{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:10px;background:var(--bg);color:var(--muted);font-size:17px;font-weight:500}
.flow li span{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:#fff;color:var(--muted);font-size:16px;font-weight:700}
.flow li.on{background:var(--brand);color:#fff;font-weight:700}.flow li.on span{color:var(--brand)}
.result-card{display:flex;flex-direction:column;gap:14px;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}
.result-card .rc-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.result-card dl{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 16px;font-size:16px}
.result-card dt{color:var(--muted2)}.result-card dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
.fig-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.fig-pick label{display:flex;gap:8px;align-items:flex-start;padding:10px;border:1px solid var(--line);border-radius:8px;font-size:15px;cursor:pointer}
.side-box{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--bg);border-radius:12px}
.side-box p{margin:6px 0 0;font-size:16px;line-height:1.6;color:var(--ink2)}
.side-box strong{font-size:16px}
.t-ok{color:var(--ok)}.t-warn{color:#7A4206}.t-err{color:#8F1D1D}
.side-note{padding-top:16px;border-top:1px solid #DDE3E9;color:var(--muted)!important}

/* 가이드 */
.guide section{margin-top:28px}.guide section p{font-size:18px;line-height:1.85;color:var(--ink2);margin:0}
.answer-box{margin:18px 0 24px;padding:20px 22px;border-left:5px solid var(--brand);background:var(--brand-soft);border-radius:0 12px 12px 0}
.answer-box span{display:block;font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.04em;margin-bottom:4px}
.answer-box p{margin:0;font-size:20px;font-weight:700;line-height:1.6}
.table-wrap{overflow-x:auto}
.table-wrap table{width:100%;border-collapse:collapse;font-size:16px;min-width:480px}
.table-wrap th,.table-wrap td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table-wrap th{background:var(--bg);font-weight:700}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:20px}
.guide-card{display:flex;flex-direction:column;gap:8px;padding:22px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--ink)}
.guide-card:hover{border-color:var(--navy2);color:var(--ink)}
.guide-card strong{font-size:19px}.guide-card p{margin:0;font-size:16px;color:var(--muted)}
.guide-more{display:flex;flex-direction:column;gap:8px;margin-top:20px}

/* 관련 기관 롤링 */
.orgs{background:#fff;border-top:1px solid var(--line)}
.orgs-row{padding-top:18px;padding-bottom:18px;display:flex;align-items:center;gap:20px}
.orgs-row>strong{flex:none;font-size:15px;font-weight:700;color:var(--muted)}
.roll{flex:1 1 auto;min-width:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.roll-track{display:flex;gap:12px;width:max-content;animation:roll 32s linear infinite}
.roll:hover .roll-track,.roll:focus-within .roll-track{animation-play-state:paused}
.roll a{display:inline-flex;align-items:center;justify-content:center;width:200px;height:60px;border:1px solid var(--line);border-radius:10px;background:#fff}
.roll a:hover{border-color:var(--navy2)}
.roll img{display:block;width:170px;height:39px;object-fit:contain}
@keyframes roll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.roll-track{animation:none;flex-wrap:wrap;width:auto}}

/* 푸터 */
.site-foot{background:var(--bg);border-top:1px solid var(--line)}
.foot-row{padding-top:44px;padding-bottom:44px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;font-size:16px;line-height:1.8;color:var(--muted)}
.foot-info{flex:1 1 420px;min-width:0}
.foot-info p{margin:0}
.foot-name{display:block;margin-bottom:6px;font-size:20px;font-weight:900;color:#11264F}.foot-name span{color:#2A78C8}
.foot-note{margin-top:8px!important;color:var(--muted2)}
.foot-links{display:flex;flex-wrap:wrap;gap:36px}
.foot-links nav{display:flex;flex-direction:column}
.foot-links a{color:var(--ink);text-decoration:none;padding:4px 0}.foot-links a:hover{color:var(--brand)}

@media (max-width:760px){
  .head-row{padding-top:14px;padding-bottom:14px}
  .gnb{order:3;width:100%;gap:0 18px;overflow-x:auto;flex-wrap:nowrap;font-size:16px}
  .gnb a{white-space:nowrap}
  .tel{display:none}
  .hero-row{padding-top:48px;padding-bottom:48px}
  .tabs{grid-template-columns:1fr}
  .tabs button{min-height:56px}
  .orgs-row>strong{display:none}
}

/* 특허개발 */
.steps-5{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:36px 24px}
.steps-5 .step-ico{width:92px;height:92px}
.steps-5 strong{font-size:21px}
.steps-5 p{font-size:16px}
.steps-5 .step-arrow{top:38px;right:-22px}
.s5{background:linear-gradient(135deg,#3F6FA8 0%,#4A9AC0 100%)}
.dev-fit{display:flex;flex-direction:column;gap:10px}
.dev-fit div{padding:18px 20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:12px}
.dev-fit strong{display:block;font-size:18px;color:#fff;margin-bottom:4px}
.dev-fit p{margin:0;font-size:16px;line-height:1.6;color:#C9D6E4}
.dev-warn div{font-size:16px;line-height:1.7}
.dev-faq{margin-top:0}
.sec .two-col{align-items:flex-start}
@media (max-width:520px){.fig-dl{top:8px;right:8px;padding:6px 10px;font-size:14px}}