:root{--ink:#203c38;--muted:#61756e;--green:#2f8b7d;--dark:#22675c;--paper:#f7f8f2;--line:#dce5db;--mint:#e8f1e7;--gold:#edc86e;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0}a{color:inherit;text-underline-offset:4px}a:focus-visible{outline:3px solid var(--green);outline-offset:5px}a:hover{color:var(--dark)}p{line-height:1.85}h1,h2,h3,p{margin-top:0}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}.skip{position:absolute;top:-60px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;text-decoration:none}.brand img{width:37px;height:37px}.nav-links{display:flex;flex-wrap:wrap;gap:24px;font-size:14px}.nav-links a{text-decoration:none}.eyebrow{display:block;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--green);margin-bottom:22px}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;align-items:center;padding:82px 0 64px}.hero h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(40px,4.6vw,63px);font-weight:650;line-height:1.24;letter-spacing:-1px;margin-bottom:25px}.hero h1 em{font-style:normal;color:var(--green)}.lead{font-size:17px;color:var(--muted);max-width:500px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 19px}.button{display:inline-block;padding:14px 23px;border-radius:9px;border:1px solid var(--line);font-size:14px;font-weight:650;text-decoration:none;background:white}.button.primary{background:var(--ink);color:white;border-color:var(--ink)}.button:hover{transform:translateY(-1px)}.small{font-size:12px;color:var(--muted);line-height:1.7}.demo{position:relative;padding:29px;background:var(--mint);border:1px solid #d5e2d3;border-radius:22px;transform:rotate(1deg);box-shadow:0 20px 60px #203c3809}.demo-top{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:25px}.status{font-size:11px;background:#d6e8d6;border-radius:30px;padding:5px 9px}.chat{background:#fffdf8;padding:22px;border-radius:14px;font-size:14px;line-height:1.8}.chat p:last-child{margin-bottom:0}.question{background:var(--ink);color:white;border-radius:13px 13px 3px 13px;padding:13px 17px;margin:0 0 18px 32px;font-size:14px}.teacher{font-size:12px;color:var(--green);font-weight:700;margin-bottom:8px}.note{font-size:12px;color:var(--muted);border-top:1px solid #d2dfd0;margin:22px 0 0;padding-top:16px}.caption{text-align:center;font-size:11px;color:var(--muted);margin-top:15px}.principles{display:flex;justify-content:space-between;gap:24px;border-block:1px solid var(--line);padding:23px 0;font-size:13px}.principles span::before{content:'✦';color:var(--green);margin-right:10px}.section{padding:70px 0}.section h2{font-family:"Songti SC",serif;font-size:34px;font-weight:650;line-height:1.4;margin-bottom:15px}.section-intro{color:var(--muted);max-width:640px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}.card{padding:28px 25px;background:#fffdf9;border:1px solid var(--line);border-radius:14px}.number{display:block;color:var(--green);font-size:13px;margin-bottom:25px}.card h3{font-size:19px}.card p{font-size:14px;color:var(--muted);margin-bottom:0}.family{background:var(--mint);border-radius:18px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.family h2{font-size:30px}.steps{list-style:none;padding:0;margin:0;counter-reset:steps}.steps li{counter-increment:steps;display:flex;gap:15px;padding:16px 0;border-bottom:1px solid #d4e0d2;font-size:14px;line-height:1.7}.steps li:last-child{border:0}.steps li::before{content:'0' counter(steps);color:var(--green);font-size:12px;padding-top:3px}.trust{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:55px 0}.trust h2{font-size:22px;font-weight:650}.trust p{font-size:14px;color:var(--muted)}.footer{border-top:1px solid var(--line);padding:25px 0 30px;font-size:12px;color:var(--muted)}.footer-top{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:18px}.footer-links{display:flex;flex-wrap:wrap;gap:20px}.footer p{margin:0;font-size:11px}.legal{max-width:800px;margin:55px auto 75px}.legal h1{font-family:"Songti SC",serif;font-size:42px;line-height:1.35}.legal h2{font-size:21px;margin-top:36px;line-height:1.5}.legal p,.legal li{font-size:15px;line-height:1.95}.legal li{margin-bottom:10px}.legal ul{padding-left:22px}.legal .summary{padding:23px;background:var(--mint);border-radius:12px;border:1px solid var(--line)}.legal .summary p:last-child{margin:0}.legal .toc{display:flex;flex-wrap:wrap;gap:12px 22px;font-size:14px;margin:28px 0}.legal table{width:100%;border-collapse:collapse;font-size:14px}.legal th,.legal td{border-bottom:1px solid var(--line);padding:14px 9px;text-align:left;line-height:1.8;vertical-align:top}.legal th{background:var(--mint)}.legal td:first-child{min-width:105px}.legal .updated{font-size:13px;color:var(--muted)}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{padding:20px 0;align-items:flex-start}.brand{font-size:17px;white-space:nowrap}.brand img{width:30px;height:30px}.nav-links{gap:10px 16px;font-size:12px;justify-content:flex-end}.hero{grid-template-columns:1fr;gap:32px;padding:48px 0 38px}.hero h1{font-size:42px}.lead{font-size:15px}.demo{transform:none;padding:22px}.principles{flex-wrap:wrap;gap:15px;font-size:12px}.section{padding:45px 0}.section h2{font-size:29px}.cards{grid-template-columns:1fr;gap:13px;margin-top:25px}.card{padding:23px}.number{margin-bottom:13px}.family{grid-template-columns:1fr;padding:26px;gap:14px}.trust{grid-template-columns:1fr;gap:17px;padding:40px 0}.legal{margin-top:35px}.legal h1{font-size:34px}.legal table{font-size:12px}.legal td:first-child{min-width:75px}.legal th,.legal td{padding:10px 6px}.footer-links{gap:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}

/* Shared language control; let longer translated navigation wrap on small screens. */
.nav{flex-wrap:wrap}.nav-links{align-items:center}.language-switch{display:inline-flex;align-items:center}.language-switch[hidden]{display:none}.language-switch select{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:6px 8px;max-width:100%}.language-switch select:focus-visible{outline:3px solid var(--green);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.legal td{overflow-wrap:anywhere}
@media(max-width:760px){.nav{gap:16px}.nav-links{flex:1 1 100%;justify-content:flex-start}.hero h1{overflow-wrap:break-word}}

.legal h1,.legal h2{overflow-wrap:anywhere;hyphens:auto}
html[lang="ko"] body{word-break:keep-all;overflow-wrap:anywhere}
.steps li::before{flex-shrink:0;white-space:nowrap}