:root{--bg:#070b13;--panel:#0d1421;--panel2:#111b2b;--line:#22304a;--text:#f5f7fb;--muted:#9caac0;--red:#ff315d;--cyan:#39d9ee;--amber:#f7b84b;--green:#39d98a;--radius:20px;--shadow:0 20px 70px rgba(0,0,0,.32)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:radial-gradient(circle at 70% -10%,rgba(255,49,93,.12),transparent 35%),var(--bg);color:var(--text);font-family:Inter,Pretendard,"Noto Sans KR",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.65}a{color:inherit}.skip-link{position:fixed;left:16px;top:-60px;z-index:100;background:#fff;color:#000;padding:12px 16px;border-radius:8px}.skip-link:focus{top:12px}.guide-header{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 max(22px,calc((100vw - 1240px)/2));background:rgba(7,11,19,.88);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px)}.guide-brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.12em;text-decoration:none}.brand-x{display:grid;place-items:center;width:34px;height:34px;color:#fff;background:linear-gradient(135deg,var(--cyan),#5665ff);border-radius:10px;font-size:27px;line-height:1}.language-switch{display:flex;padding:4px;background:#101827;border:1px solid var(--line);border-radius:12px}.language-switch button{min-height:38px;padding:0 15px;border:0;border-radius:8px;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}.language-switch button.active{background:#273656;color:#fff}main{max-width:1240px;margin:auto;padding:52px 24px 90px}.guide-hero{position:relative;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.65fr);gap:48px;align-items:center;min-height:460px;padding:64px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,rgba(17,27,43,.98),rgba(8,14,24,.96));box-shadow:var(--shadow);overflow:hidden}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(70,95,135,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(70,95,135,.08) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to right,#000,transparent)}.hero-copy,.plan-card{position:relative}.eyebrow{display:inline-block;margin-bottom:14px;color:var(--red);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.hero-copy h1{max-width:720px;margin:0;font-size:clamp(38px,5.5vw,72px);line-height:1.02;letter-spacing:-.055em}.hero-copy h1 em{color:var(--cyan);font-style:normal}.hero-copy>p{max-width:680px;margin:24px 0;color:#bec8d8;font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border:1px solid transparent;border-radius:11px;font-weight:850;text-decoration:none}.button.primary{background:linear-gradient(135deg,var(--red),#e71c86);box-shadow:0 10px 30px rgba(255,49,93,.2)}.button.ghost{border-color:var(--line);background:rgba(255,255,255,.03)}.plan-card{padding:28px;border:1px solid rgba(57,217,238,.25);border-radius:22px;background:linear-gradient(145deg,rgba(57,217,238,.1),rgba(255,255,255,.02));box-shadow:inset 0 1px rgba(255,255,255,.05)}.plan-card>span{color:var(--muted);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.plan-card strong{display:block;margin:20px 0 0;font-size:76px;line-height:.9}.plan-card strong small{font-size:18px}.plan-card b{display:block;margin:17px 0;color:var(--cyan);font-size:26px}.plan-card p{margin:0;color:var(--muted);font-size:13px}.progress-nav{position:sticky;top:92px;z-index:30;display:grid;grid-template-columns:repeat(6,1fr);margin:24px 0 40px;border:1px solid var(--line);border-radius:16px;background:rgba(10,16,27,.92);backdrop-filter:blur(14px);overflow:hidden}.progress-nav a{display:flex;align-items:center;gap:10px;min-height:62px;padding:10px 16px;border-right:1px solid var(--line);color:var(--muted);text-decoration:none;font-size:13px;font-weight:800}.progress-nav a:last-child{border:0}.progress-nav a:hover,.progress-nav a.active{color:#fff;background:rgba(57,217,238,.08)}.progress-nav b{color:var(--cyan);font-family:ui-monospace,monospace}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:28px}.guide-content{min-width:0}.guide-step,.survey-panel{position:relative;margin-bottom:28px;padding:42px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(16,25,40,.98),rgba(10,16,27,.98));box-shadow:0 12px 45px rgba(0,0,0,.17);overflow:hidden}.guide-step:after{content:attr(data-step);position:absolute;right:18px;top:8px;color:rgba(255,255,255,.025);font-size:120px;font-weight:950;line-height:1}.section-heading{position:relative;z-index:1}.section-heading>span{color:var(--red);font-size:11px;font-weight:900;letter-spacing:.15em;text-transform:uppercase}.section-heading h2,.survey-panel h2{margin:4px 0 14px;font-size:clamp(27px,4vw,40px);line-height:1.15;letter-spacing:-.035em}.section-lead{position:relative;z-index:1;max-width:760px;color:#b7c2d3}.info-grid{position:relative;z-index:1;display:grid;gap:12px;margin:28px 0}.info-grid.three{grid-template-columns:repeat(3,1fr)}.info-grid>div{padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025)}.info-grid span{display:block;color:var(--muted);font-size:12px}.info-grid strong{display:block;margin-top:6px;font-size:18px}.notice{position:relative;z-index:1;margin-top:24px;padding:18px 20px;border:1px solid;border-radius:14px}.notice p{margin:5px 0 0;color:#c0cad9}.notice.amber{border-color:rgba(247,184,75,.35);background:rgba(247,184,75,.07)}.notice.amber strong{color:var(--amber)}.notice.blue{border-color:rgba(57,217,238,.3);background:rgba(57,217,238,.06)}.notice.blue strong{color:var(--cyan)}.notice.red{border-color:rgba(255,49,93,.3);background:rgba(255,49,93,.07)}.notice.red strong{color:#ff6f8f}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:26px 0}.feature-card{border:1px solid var(--line);border-radius:15px;background:#0c1523;overflow:hidden}.feature-card summary{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;min-height:82px;padding:14px 17px;cursor:pointer;list-style:none}.feature-card summary::-webkit-details-marker{display:none}.feature-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:rgba(57,217,238,.1);color:var(--cyan);font-weight:900}.feature-card summary b{display:block}.feature-card summary small{display:block;color:var(--muted);font-weight:500}.feature-card summary:after{content:'+';color:var(--muted);font-size:24px}.feature-card[open] summary:after{content:'−'}.feature-list{display:grid;gap:9px;padding:0 17px 18px}.feature-list div{padding:10px 12px;border-left:2px solid rgba(57,217,238,.3);background:rgba(255,255,255,.02)}.feature-list b{display:block;font-size:13px}.feature-list span{color:var(--muted);font-size:12px}.text-link{display:inline-block;color:var(--cyan);font-weight:800;text-decoration:none}.route-banner{display:flex;flex-wrap:wrap;align-items:center;gap:11px;margin:26px 0;padding:18px;border:1px solid var(--line);border-radius:15px;background:#09111e}.route-banner span{color:var(--red);font:800 11px ui-monospace,monospace}.route-banner i{color:#53637d}.purchase-steps{counter-reset:purchase;display:grid;gap:12px;padding:0;margin:24px 0;list-style:none}.purchase-steps li{counter-increment:purchase;display:grid;grid-template-columns:46px 1fr;gap:16px;padding:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02)}.purchase-steps li:before{content:counter(purchase);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--red);font-weight:900}.purchase-steps p{margin:5px 0;color:var(--muted)}.purchase-steps a{color:var(--cyan)}.secondary-route{padding:20px;border:1px dashed #34445f;border-radius:14px}.secondary-route p{margin:6px 0 0;color:var(--muted)}.fine-print{color:#78879f;font-size:12px}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:25px}.comparison-grid>div{padding:20px;border:1px solid;border-radius:15px}.comparison-grid span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font-weight:900}.comparison-grid strong{display:block;margin:12px 0 5px}.comparison-grid p{margin:0;color:var(--muted)}.comparison-grid .wrong{border-color:rgba(255,49,93,.3);background:rgba(255,49,93,.05)}.comparison-grid .wrong span{background:rgba(255,49,93,.18);color:#ff6687}.comparison-grid .right{border-color:rgba(57,217,138,.3);background:rgba(57,217,138,.05)}.comparison-grid .right span{background:rgba(57,217,138,.16);color:var(--green)}.checklist{display:grid;gap:10px;margin-top:20px;padding:20px;border:1px solid var(--line);border-radius:15px}.checklist h3{margin:0 0 5px}.checklist label{display:flex;align-items:center;gap:10px;color:#c4cddb}.checklist input{width:20px;height:20px;accent-color:var(--green)}.decision-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.decision-tabs button{min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:#0a1321;color:var(--muted);font-weight:800;cursor:pointer}.decision-tabs button.active{border-color:var(--cyan);color:#fff;background:rgba(57,217,238,.1)}.decision-result{min-height:150px;padding:22px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.02)}.decision-result h3{margin:0}.decision-result ol{margin-bottom:0;color:#bdc7d6}.privacy-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.privacy-grid>div{padding:22px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.02)}.privacy-grid>div:first-child b{color:var(--green)}.privacy-grid>div:last-child b{color:#ff6687}.privacy-grid ul{padding-left:20px;color:var(--muted)}.survey-panel{padding:50px;background:linear-gradient(135deg,rgba(255,49,93,.12),rgba(57,217,238,.06)),#0e1725}.survey-panel>p{max-width:720px;color:#bec8d7}.invitation-note{display:flex;flex-direction:column;gap:4px;margin:22px 0;padding:16px;border-left:3px solid var(--amber);background:rgba(247,184,75,.06)}.invitation-note span{color:var(--muted)}.guide-sidebar{position:sticky;top:180px;align-self:start;display:grid;gap:12px}.sidebar-card,.sidebar-link{padding:18px;border:1px solid var(--line);border-radius:14px;background:#0d1624}.sidebar-card>span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.sidebar-card strong{display:block;margin:8px 0;color:var(--cyan)}.sidebar-card p{margin:0;color:var(--muted);font-size:13px}.status-card{display:grid;grid-template-columns:10px 1fr;gap:3px 10px}.status-card i{grid-row:1/3;width:9px;height:9px;margin-top:5px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}.status-card small{color:var(--muted)}.sidebar-link{min-height:48px;color:#ced7e5;font-size:13px;font-weight:800;text-decoration:none}footer{display:flex;justify-content:space-between;gap:20px;max-width:1240px;margin:auto;padding:28px 24px 50px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}footer span{color:#fff;font-weight:900;letter-spacing:.14em}footer p{margin:0}
@media(max-width:980px){.guide-hero{grid-template-columns:1fr;padding:42px}.plan-card{max-width:460px}.guide-layout{grid-template-columns:1fr}.guide-sidebar{position:static;grid-template-columns:repeat(2,1fr)}.progress-nav{overflow-x:auto;grid-template-columns:repeat(6,minmax(120px,1fr))}}
@media(max-width:680px){.guide-header{height:66px;padding:0 14px}.guide-brand{font-size:13px}.language-switch button{padding:0 10px}main{padding:20px 12px 55px}.guide-hero{min-height:0;padding:30px 22px;border-radius:20px}.hero-copy>p{font-size:15px}.plan-card strong{font-size:60px}.progress-nav{top:74px;margin:12px 0 20px;border-radius:12px}.progress-nav a{min-height:52px;padding:8px 12px}.guide-step,.survey-panel{padding:26px 19px;margin-bottom:14px}.info-grid.three,.feature-grid,.comparison-grid,.privacy-grid,.guide-sidebar{grid-template-columns:1fr}.route-banner{align-items:flex-start;flex-direction:column}.route-banner i{transform:rotate(90deg)}.purchase-steps li{grid-template-columns:38px 1fr;padding:15px}.section-heading h2,.survey-panel h2{font-size:28px}footer{flex-direction:column;padding:22px 18px 40px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Prevent narrow mobile viewports from inheriting intrinsic-width overflow. */
body{overflow-x:hidden}
.hero-copy,.plan-card{min-width:0}
.hero-copy h1{overflow-wrap:anywhere}
@media(max-width:680px){.plan-card{width:100%;max-width:100%}}


/* Provider payment walkthroughs */
.provider-tutorials{position:relative;z-index:1;margin:30px 0;padding:24px;border:1px solid rgba(57,217,238,.22);border-radius:18px;background:linear-gradient(145deg,rgba(57,217,238,.055),rgba(255,255,255,.018))}.subsection-heading h3{margin:4px 0 8px;font-size:clamp(22px,3vw,30px);line-height:1.2}.subsection-heading p{max-width:760px;margin:0;color:var(--muted);font-size:14px}.provider-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:22px}.provider-card{min-width:0;padding:14px;border:1px solid var(--line);border-radius:15px;background:#0b1421}.provider-card-head{display:flex;gap:11px;align-items:flex-start;min-height:82px}.provider-number{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:rgba(255,49,93,.14);color:#ff708b;font:800 11px ui-monospace,monospace}.provider-card h4{margin:0;font-size:18px}.provider-card-head p{margin:3px 0 0;color:var(--muted);font-size:12px;line-height:1.45}.provider-card video{display:block;width:100%;aspect-ratio:16/9;border-radius:10px;background:#050a12;object-fit:contain}.provider-link{display:flex;align-items:center;justify-content:center;min-height:42px;margin-top:12px;border:1px solid rgba(57,217,238,.25);border-radius:10px;color:var(--cyan);font-size:13px;font-weight:850;text-decoration:none}.provider-link:hover{background:rgba(57,217,238,.08)}@media(max-width:980px){.provider-grid{grid-template-columns:1fr 1fr}}@media(max-width:680px){.provider-tutorials{margin-inline:-5px;padding:17px}.provider-grid{grid-template-columns:1fr}.provider-card-head{min-height:auto;margin-bottom:12px}.provider-card video{max-height:none}.provider-link{min-height:46px}}