:root{
  --red:#d71920;--red2:#ff4d57;--dark:#101315;--dark2:#171b1e;--bg:#f4f5f6;--text:#1f2529;--muted:#788088;--line:#e7e8ea;--white:#fff;--radius:28px;--shadow:0 20px 60px rgba(16,19,21,.10);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Pretendard","Noto Sans KR",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}
.wrap{width:min(1240px,calc(100% - 40px));margin:0 auto}.narrow{width:min(880px,calc(100% - 40px));margin:0 auto}
.section{padding:110px 0;position:relative}.soft{background:#fff}.dark{background:linear-gradient(180deg,#121619,#0e1113);color:#fff}.section-grid-bg{background-image:radial-gradient(circle at 1px 1px,rgba(0,0,0,.06) 1px,transparent 0);background-size:24px 24px}
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.hero h1{font-size:clamp(42px,6vw,84px);color:#fff}.section-head p,.muted{color:var(--muted)}.dark .section-head p{color:#b6bdc3}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--red);text-transform:uppercase}.section-index{font-size:13px;font-weight:700;color:#a4acb4;margin-bottom:8px}.accent{color:#ff7880}
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,0,0,.06);transition:transform .35s ease,background .35s ease}.hero-header{background:rgba(10,11,13,.16);border-bottom-color:rgba(255,255,255,.08)}.header.is-hidden{transform:translateY(-100%)}.header .nav{display:flex;align-items:center;gap:22px;min-height:82px}.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:-.02em}.brand-mark{width:56px;height:56px;border-radius:16px;background:var(--red);color:#fff;display:grid;place-items:center;line-height:.95;font-size:18px;box-shadow:0 12px 30px rgba(215,25,32,.28)}.brand-sub{display:block;font-size:11px;letter-spacing:.14em;color:#8f969c;font-weight:700;margin-top:3px}.menu{display:flex;align-items:center;gap:24px;margin-left:auto}.menu a{font-weight:600;color:#394149;position:relative}.menu a:after{content:"";position:absolute;left:0;bottom:-8px;height:2px;width:0;background:var(--red);transition:.25s}.menu a:hover:after{width:100%}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:15px 24px;font-weight:800;transition:.25s ease;border:1px solid transparent}.nav-cta,.btn.red{background:var(--red);color:#fff;box-shadow:0 16px 32px rgba(215,25,32,.22)}.nav-cta:hover,.btn.red:hover{transform:translateY(-2px);background:#c4151d}.btn.ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.22);backdrop-filter:blur(8px)}.btn.light{background:#fff;color:#111;border-color:var(--line);box-shadow:var(--shadow)}.btn.light:hover{transform:translateY(-2px)}.hamb{display:none;margin-left:auto;font-size:26px;background:none;border:0}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:#111}.hero-media,.hero-media img,.hero-overlay,.hero-noise{position:absolute;inset:0}.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.02)}.hero-overlay{background:linear-gradient(90deg,rgba(9,10,12,.80) 0%,rgba(9,10,12,.48) 40%,rgba(9,10,12,.18) 100%)}.hero-noise{opacity:.06;background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="80" height="80"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.7" numOctaves="2"/></filter><rect width="80" height="80" filter="url(%23n)" opacity="1"/></svg>')}.hero-content{position:relative;max-width:700px;padding-top:110px;padding-bottom:120px;z-index:1}.hero-content p{font-size:18px;color:#d5dbe1;max-width:620px}.hero-tag{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.10);color:#fff;font-size:13px;font-weight:700;backdrop-filter:blur(8px)}.hero-tag i{width:10px;height:10px;border-radius:999px;background:var(--red);box-shadow:0 0 0 8px rgba(215,25,32,.18)}.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.hero-side{position:absolute;right:28px;top:50%;transform:translateY(-50%) rotate(90deg);transform-origin:right top;color:rgba(255,255,255,.65);font-size:12px;letter-spacing:.35em;font-weight:700;z-index:1}.scroll-cue{position:absolute;left:50%;bottom:106px;width:26px;height:44px;margin-left:-13px;border-radius:999px;border:1px solid rgba(255,255,255,.4);z-index:2}.scroll-cue:before{content:"";position:absolute;left:50%;top:9px;width:4px;height:8px;margin-left:-2px;border-radius:999px;background:#fff;animation:cue 1.6s infinite}@keyframes cue{0%{opacity:0;transform:translateY(0)}35%{opacity:1}100%{opacity:0;transform:translateY(16px)}}
.hero-bottom{position:absolute;left:0;right:0;bottom:0;background:rgba(9,11,13,.65);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.08)}.marquee{overflow:hidden;white-space:nowrap;padding:18px 0;color:#fff;font-size:14px;font-weight:800;letter-spacing:.18em}.marquee span{display:inline-block;padding-right:70px;animation:marq 24s linear infinite}@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-100%)}}
.intro-strip{width:min(1240px,calc(100% - 40px));margin:-46px auto 0;position:relative;z-index:3;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:1.15fr .85fr;overflow:hidden}.intro-copy,.intro-panel{padding:34px 38px}.intro-panel{background:linear-gradient(135deg,#181d20,#252b30);color:#fff;display:flex;flex-direction:column;justify-content:center}.mini-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.mini-pills span,.tags span,.check-list span,.chip,.finder-result span{padding:10px 14px;border-radius:999px;background:#f0f2f4;border:1px solid var(--line);font-size:14px;font-weight:700}.intro-panel .mini-pills span{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.14);color:#fff}
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.height-selector{display:grid;grid-template-columns:repeat(8,1fr);gap:16px}.height-selector a{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 12px;text-align:center;box-shadow:var(--shadow);transition:.25s}.height-selector a:hover{transform:translateY(-4px);border-color:#ffd0d3}.height-selector span{display:block;font-size:28px;font-weight:900;letter-spacing:-.03em}.height-selector small{display:block;margin-top:8px;color:#939aa0;font-weight:700;letter-spacing:.12em}
.scrolly{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.scrolly-sticky{position:sticky;top:110px}.media-frame{background:#fff;border:1px solid var(--line);padding:12px;border-radius:28px;box-shadow:var(--shadow)}.media-frame img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:20px}.scrolly-list{display:flex;flex-direction:column;gap:16px}.scrolly-item{padding:26px;border-radius:26px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);opacity:.65;transition:.25s}.scrolly-item.active{opacity:1;border-color:#ffced2;transform:translateX(8px)}.scrolly-n{font-size:12px;color:#a1a9af;font-weight:800;letter-spacing:.12em}.scrolly-item h3{font-size:28px;margin:8px 0 10px}
.bento{grid-template-columns:1.4fr 1fr 1fr;grid-auto-rows:260px}.bento-item{position:relative;overflow:hidden;border-radius:26px;box-shadow:var(--shadow)}.bento-item:first-child{grid-row:span 2}.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .7s}.bento-item:hover img{transform:scale(1.06)}.bento-item:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.65))}.bento-label{position:absolute;left:20px;bottom:18px;z-index:1;color:#fff;font-weight:800}
.split{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.split-media img{width:100%;height:100%;object-fit:cover}.split-copy{padding:48px;display:flex;flex-direction:column;justify-content:center}.split-copy h2{font-size:clamp(34px,4vw,56px)}.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.check-list span{background:#fff;border-color:#f1d6d8}.dark .check-list span,.split-copy .check-list span{background:#fff}
.process{grid-template-columns:repeat(4,1fr)}.process-item,.feature,.info-card,.finder,.app-card,.contact-box,.faq-item,.compare-wrap,.safety-hero,.finder-result,.work-card,.equip-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}.dark .process-item,.dark .feature{background:#171b1e;border-color:rgba(255,255,255,.08)}.process-item{padding:28px}.process-n{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border-radius:18px;background:#f7f8f9;color:var(--red);font-weight:900}.process-item h3{margin:18px 0 6px;font-size:24px}
.cta{position:relative;overflow:hidden;border-radius:32px;min-height:430px;box-shadow:var(--shadow)}.cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,12,.82) 0%,rgba(8,10,12,.52) 48%,rgba(8,10,12,.18) 100%)}.cta-content{position:relative;z-index:1;color:#fff;padding:56px;max-width:700px}.cta-content p{color:#d5dbe1}
.page-hero{padding:120px 0 70px;background:linear-gradient(180deg,#13181b,#1f2528);color:#fff}.page-crumb{font-size:13px;color:#aeb5bc}.page-crumb b{padding:0 8px}.page-hero p{max-width:760px;color:#cdd3d8}
.finder{padding:28px 28px 24px;background:#11161a;color:#fff;margin-bottom:26px}.finder-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}.finder-group label,.field label{display:block;margin-bottom:8px;font-size:14px;font-weight:700}.finder-group select,.field input,.field textarea,.field select{width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#fff;color:#111}.finder-group select{border-color:#2c3439;background:#171d21;color:#fff}.finder-result{display:flex;flex-wrap:wrap;gap:10px;padding:16px;margin-top:20px;background:#fff;color:#111}
.filterbar{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.chip{cursor:pointer;background:#fff}.chip.active{background:var(--red);border-color:var(--red);color:#fff}
.equip-grid{grid-template-columns:repeat(3,1fr)}.equip-card{overflow:hidden;transition:.3s}.equip-card:hover{transform:translateY(-6px)}.equip-img{background:#f7f8f9;padding:14px}.equip-img img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px}.equip-body{padding:22px}.equip-type{font-size:12px;letter-spacing:.15em;color:#8f969d;font-weight:800}.equip-body h3{font-size:28px;margin:8px 0}.spec-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.spec-mini div{padding:14px;border-radius:18px;background:#f6f7f8}.card-link{font-weight:800;color:var(--red)}.notice{margin-top:24px;padding:18px 20px;border-radius:20px;background:#fff4f4;border:1px solid #ffd8da;color:#7b5255}
.detail-top{display:grid;grid-template-columns:1fr .95fr;gap:26px;align-items:start}.detail-image{position:relative;background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.detail-image img{width:100%;aspect-ratio:1/1;object-fit:cover}.zoom-label{position:absolute;left:16px;top:16px;padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.92);font-size:12px;font-weight:800;letter-spacing:.14em}.detail-copy{background:#fff;padding:28px;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.spec-table{width:100%;border-collapse:collapse;margin:20px 0}.spec-table th,.spec-table td{padding:14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.spec-table th{width:34%;color:#586168;font-size:14px}.spec-table td{font-weight:700}.feature-grid,.info-cards{grid-template-columns:repeat(3,1fr)}.feature,.info-card{padding:28px}.icon-box{width:52px;height:52px;border-radius:16px;background:#fff4f4;color:var(--red);display:grid;place-items:center;font-weight:900;margin-bottom:16px}
.compare-wrap{overflow:auto}.compare{width:100%;border-collapse:collapse;min-width:760px}.compare th,.compare td{padding:16px;border-bottom:1px solid var(--line);text-align:left}.compare th{background:#f7f8f9;font-size:14px;color:#636b72}
.app-grid,.work-grid{grid-template-columns:repeat(3,1fr)}.app-card,.work-card{overflow:hidden}.app-card img,.work-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.app-copy,.work-copy{padding:22px}.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.tags span{background:#fff6f6;border-color:#ffd8da}.work-copy small{display:block;color:#8f969d;font-weight:800;letter-spacing:.14em}
.contact-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:26px}.contact-box{padding:28px;background:#171b1f;color:#fff}.contact-note{margin-top:18px;padding:16px;border-radius:18px;background:rgba(255,255,255,.08);color:#ccd2d6}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field.full{grid-column:1/-1}.field textarea{min-height:160px;resize:vertical}
.safety-hero{overflow:hidden;display:grid;grid-template-columns:1fr 1fr;background:#171c20;color:#fff}.safety-hero img{width:100%;height:100%;object-fit:cover}.safety-copy{padding:34px}.safety-list,.timeline{display:grid;gap:14px;margin-top:18px}.safety-list div,.timeline-item{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:16px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}.safety-list b,.timeline-item b{min-width:90px;color:#fff}.timeline-item span,.safety-list span{color:#cbd2d8}
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.footer{padding:70px 0 110px;background:#0f1316;color:#b4bcc2}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:24px}.footer .brand-sub{color:#717980}.footer-title{font-size:12px;color:#ff8b93;font-weight:800;letter-spacing:.18em;margin-bottom:16px}.footer a{display:block;padding:5px 0;color:#d6dbe0}.copyright{margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#818a91}
.quick-dock{position:fixed;right:24px;bottom:104px;display:grid;gap:10px;z-index:30}.quick-dock a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:var(--shadow);font-size:20px}.quick-dock a:hover{background:var(--red);color:#fff}.mobile-bar{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;padding:8px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);grid-template-columns:repeat(3,1fr);gap:8px}.mobile-bar a{padding:13px 12px;border-radius:16px;text-align:center;background:#f7f8f9;font-weight:800}
.page-loader{position:fixed;inset:0;z-index:999;background:#0f1215;display:grid;place-items:center;transition:opacity .45s,visibility .45s}.page-loader.hide{opacity:0;visibility:hidden}.loader-inner{text-align:center;color:#fff}.loader-mark{width:96px;height:96px;border-radius:26px;background:var(--red);display:grid;place-items:center;font-size:30px;font-weight:900;line-height:.88;margin:0 auto 18px;box-shadow:0 20px 50px rgba(215,25,32,.3)}.loader-line{width:180px;height:3px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden}.loader-line:after{content:"";display:block;width:35%;height:100%;background:#fff;animation:load 1.1s ease-in-out infinite}@keyframes load{0%{transform:translateX(-110%)}100%{transform:translateX(320%)}}
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--red),#ff6d75);z-index:80}
.reveal,.reveal-left,.reveal-right,.stagger>*{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal-left{transform:translateX(-24px)}.reveal-right{transform:translateX(24px)}.reveal.is-visible,.reveal-left.is-visible,.reveal-right.is-visible,.stagger>.is-visible{opacity:1;transform:none}
@media (max-width:1100px){.category-grid{grid-template-columns:repeat(3,1fr)}.height-selector{grid-template-columns:repeat(4,1fr)}.bento{grid-template-columns:repeat(2,1fr)}.process,.equip-grid,.app-grid,.work-grid,.feature-grid,.info-cards{grid-template-columns:repeat(2,1fr)}.scrolly,.detail-top,.split,.contact-layout,.safety-hero,.intro-strip{grid-template-columns:1fr}.hero-side{display:none}.scrolly-sticky{position:static}.finder-grid,.form-grid{grid-template-columns:1fr 1fr}}
@media (max-width:820px){.menu{display:none;position:absolute;left:20px;right:20px;top:82px;flex-direction:column;align-items:flex-start;padding:20px;border-radius:22px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}.menu.open{display:flex}.hamb{display:block}.nav-cta{display:none}.header .nav{min-height:78px}.wrap,.narrow{width:min(100% - 24px,1240px)}.section{padding:84px 0}.hero-content{padding-top:130px;padding-bottom:140px}.hero-content p{font-size:16px}.intro-strip{margin-top:-32px}.category-grid,.process,.equip-grid,.app-grid,.work-grid,.feature-grid,.info-cards,.height-selector,.finder-grid,.form-grid,.footer-grid,.check-list{grid-template-columns:1fr}.bento{grid-template-columns:1fr;grid-auto-rows:240px}.bento-item:first-child{grid-row:auto}.cta-content,.split-copy,.intro-copy,.intro-panel,.contact-box,.safety-copy{padding:28px}.section-head{flex-direction:column;align-items:flex-start}.quick-dock{display:none}.mobile-bar{display:grid}.detail-copy h1{font-size:32px}.page-hero{padding-top:110px}}

/* V4 OPTIMIZATION */
:focus-visible{outline:3px solid rgba(215,25,32,.45);outline-offset:3px}.btn,.nav-cta,.chip,.hamb,.mobile-bar a{min-height:44px}.section{content-visibility:auto;contain-intrinsic-size:1px 760px}.hero,.page-hero,.header{content-visibility:visible}.menu a[aria-current="page"]{color:var(--red)}.equip-card img,.work-card img,.app-card img,.category-card img,.bento-item img,.split-media img,.safety-hero img{background:#eef0f1}.feature a{color:inherit}.feature a:hover{color:var(--red)}
@media (hover:none){[data-tilt]{transform:none!important}.category-card:hover img,.bento-item:hover img{transform:none}}
@media (max-width:820px){body{padding-bottom:82px}.hero{min-height:88svh}.hero-media img{object-position:68% center}.hero-content{padding-top:100px;padding-bottom:132px}.hero-content h1{font-size:clamp(42px,13vw,64px)}.page-hero{padding:98px 0 54px}.page-hero h1{font-size:clamp(40px,12vw,58px)}.category-card{min-height:300px}.equip-img img,.app-card img,.work-card img{aspect-ratio:16/10}.mobile-bar{bottom:max(10px,env(safe-area-inset-bottom));left:max(10px,env(safe-area-inset-left));right:max(10px,env(safe-area-inset-right))}.actions .btn{flex:1;min-width:150px}.finder{padding:22px}.spec-table th{width:40%}.compare-wrap{margin-left:-2px;margin-right:-2px}.scroll-cue{display:none}}
@media (max-width:520px){.wrap,.narrow{width:calc(100% - 20px)}.section{padding:70px 0}.hero-content p{font-size:15px}.actions{display:grid;grid-template-columns:1fr}.actions .btn{width:100%}.intro-copy,.intro-panel,.split-copy,.cta-content,.contact-box,.safety-copy{padding:22px}.category-copy h3{font-size:25px}.height-selector a{padding:22px 10px}.height-selector span{font-size:25px}.equip-body h3{font-size:25px}.footer{padding-bottom:120px}.brand>span:last-child{max-width:180px}}
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