:root { color-scheme: light; --ink:#142943; --muted:#53657c; --blue:#1647d8; --line:#dce4ef; --paper:#f4f7fc; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:#fff; font-family:"Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif; font-size:1rem; line-height:1.8; word-break:keep-all; overflow-wrap:anywhere; }
a { color:var(--blue); text-underline-offset:.22em; }
a:focus-visible { outline:3px solid #ffbe45; outline-offset:5px; }
.skip { position:absolute; top:-100px; left:1rem; padding:.5rem 1rem; background:#fff; z-index:20; }
.skip:focus { top:1rem; }
.wrap { max-width:1120px; padding:0 2rem; margin:auto; }
header { border-bottom:1px solid var(--line); }
.nav { min-height:84px; display:flex; justify-content:space-between; gap:2rem; align-items:center; flex-wrap:wrap; padding-top:1rem; padding-bottom:1rem; }
.brand { display:flex; align-items:center; gap:.7rem; text-decoration:none; color:var(--ink); font-weight:800; letter-spacing:.02em; }
.brand img { width:36px; height:36px; }
.nav nav { display:flex; flex-wrap:wrap; gap:1.4rem; font-size:.9rem; }
.nav nav a { color:var(--muted); text-decoration:none; }
.eyebrow { display:block; color:var(--blue); font-size:.875rem; font-weight:700; letter-spacing:.04em; margin-bottom:1rem; }
h1,h2,h3 { line-height:1.35; letter-spacing:-.035em; }
h1 { font-size:clamp(2.4rem,4.5vw,4.1rem); margin:0 0 1.5rem; }
h2 { font-size:clamp(1.7rem,3vw,2.3rem); margin:0 0 1.3rem; }
h3 { font-size:1.12rem; margin:0 0 .7rem; }
p { margin:0 0 1rem; }
.hero { padding:6rem 0 4.5rem; display:grid; grid-template-columns:1.1fr 1fr; gap:4rem; align-items:center; }
.lead { max-width:580px; font-size:1.12rem; color:var(--muted); }
.actions { display:flex; gap:1rem; flex-wrap:wrap; margin:2rem 0; }
.button { display:inline-flex; align-items:center; justify-content:center; padding:.7rem 1.2rem; border-radius:8px; border:1px solid var(--line); color:var(--ink); text-decoration:none; font-size:.94rem; font-weight:700; }
.button.primary { background:var(--blue); border-color:var(--blue); color:white; }
.status { padding:1rem 1.2rem; border-left:3px solid #eda920; background:#fff8e9; font-size:.9rem; }
.workflow { background:#112742; color:#fff; border-radius:16px; padding:2rem; }
.workflow .label { color:#b9c9dd; font-size:.875rem; margin-bottom:1.5rem; }
.workflow .row { border-top:1px solid #314761; padding:1.1rem 0; }
.workflow .row:last-child { padding-bottom:0; }
.workflow .num { color:#85adff; font-size:.875rem; }
.workflow strong { display:block; font-size:1.1rem; }
.workflow p { margin:.35rem 0 0; color:#c8d5e5; font-size:.9rem; }
.band { background:var(--paper); }
section { padding:4.5rem 0; }
.hero section { padding:0; }
.grid { display:grid; grid-template-columns:repeat(3,1fr); gap:2.5rem; margin-top:2rem; }
.grid article { border-top:2px solid var(--blue); padding-top:1.4rem; }
.grid p { color:var(--muted); }
.split { display:grid; grid-template-columns:1fr 1fr; gap:4rem; }
.meta { color:var(--muted); font-size:.9rem; }
.content { max-width:850px; padding-top:3.5rem; padding-bottom:4.5rem; }
.content h1 { font-size:clamp(2rem,4vw,3rem); }
.content h2 { font-size:1.45rem; margin-top:2.8rem; }
.content h3 { margin-top:1.8rem; }
.content ul,.content ol { padding-left:1.5rem; }
.content li { margin:.45rem 0; }
.note { padding:1.2rem 1.4rem; background:var(--paper); border-radius:8px; margin:1.8rem 0; }
code { font-family:ui-monospace,Consolas,monospace; font-size:.9em; background:var(--paper); padding:.1rem .25rem; overflow-wrap:anywhere; }
table { width:100%; border-collapse:collapse; margin:1.5rem 0; text-align:left; }
th,td { padding:.9rem .7rem; border-bottom:1px solid var(--line); vertical-align:top; }
th { font-size:.9rem; color:var(--muted); }
.table-scroll { overflow:auto; }
footer { border-top:1px solid var(--line); padding:2rem 0; font-size:.9rem; color:var(--muted); }
.foot { display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; }
.foot nav { display:flex; gap:1.2rem; flex-wrap:wrap; }
@media(max-width:760px) { .wrap { padding:0 1.3rem; } .hero { grid-template-columns:1fr; gap:2rem; padding:3rem 0; } .grid,.split { grid-template-columns:1fr; gap:1.6rem; } section { padding:3rem 0; } .nav { gap:.8rem; } .nav nav { gap:1rem; } .content { padding-top:2.5rem; padding-bottom:3rem; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }