:root{color-scheme:light;--ink:#173b36;--muted:#58706a;--line:#d6e4e0;--soft:#f4f8f6;--green:#2f8b57;--red:#e30613;--amber:#fff4cf}*{box-sizing:border-box}body{margin:0;background:#eef4f2;color:var(--ink);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main{width:min(1060px,calc(100% - 32px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:26px 0}.brand{font-size:21px;font-weight:900;letter-spacing:-.02em}.brand span{display:inline-grid;place-items:center;width:32px;height:32px;margin-right:9px;border-radius:10px;background:var(--ink);color:#fff}.close{color:var(--ink);font-weight:750;text-decoration:none}main{padding-bottom:56px}.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:24px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 16px 45px #183b3610}.eyebrow{color:var(--green);font-size:12px;font-weight:900;letter-spacing:.1em}.hero h1{margin:.35rem 0 .8rem;font-size:clamp(30px,5vw,52px);line-height:1.06;letter-spacing:-.045em}.hero p{max-width:650px;margin:0;color:var(--muted);font-size:17px}.summary{display:grid;gap:10px;padding:20px;border-radius:16px;background:var(--soft)}.summary div{display:flex;gap:10px;align-items:center}.summary b{display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;background:#dff3e4;color:#17603e}.notice{margin:20px 0;padding:14px 17px;border:1px solid #ecd48a;border-radius:12px;background:var(--amber);color:#624e16}.steps{display:grid;gap:18px;margin-top:24px}.step{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff}.number{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:var(--ink);color:#fff;font-size:19px;font-weight:900}.step h2{margin:0 0 5px;font-size:21px}.step p{margin:0 0 16px;color:var(--muted)}.visual{overflow:hidden;border:1px solid #c8d8d4;border-radius:14px;background:#fafcfc}.browserbar{display:flex;align-items:center;gap:6px;height:34px;padding:0 12px;background:#edf2f1}.dot{width:8px;height:8px;border-radius:50%;background:#b7c7c3}.address{width:48%;height:12px;margin-left:8px;border-radius:10px;background:#d7e2df}.screen{display:grid;grid-template-columns:155px 1fr;min-height:190px}.sidebar{padding:17px;background:#202828;color:#fff}.otto{margin-bottom:22px;color:#fff;font-size:20px;font-weight:950;font-style:italic}.nav{display:grid;gap:8px}.nav span{padding:8px 10px;border-radius:7px;color:#cbd7d4;font-size:12px}.nav .active{background:#fff;color:#202828;font-weight:850}.content{padding:20px}.crumb{color:#70827e;font-size:11px;font-weight:800}.screen h3{margin:5px 0 14px}.fake-row,.fake-card{border:1px solid #dce6e3;border-radius:9px;background:#fff}.fake-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px;padding:11px}.fake-row span{height:8px;border-radius:6px;background:#d8e3e0}.fake-row span:first-child{width:42%}.fake-row span:nth-child(2){width:20%}.fake-button{display:inline-block;padding:7px 11px;border-radius:7px;background:var(--red);color:#fff;font-size:10px;font-weight:850}.highlight{box-shadow:0 0 0 3px #f8bf29}.period{display:grid;grid-template-columns:1fr 1fr auto;gap:8px}.fake-card{padding:12px}.fake-card small{display:block;color:#70827e}.fake-card b{display:block;margin-top:5px}.upload-visual{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px}.upload-box{padding:18px;border:2px dashed #a9c1bb;border-radius:11px;background:#f8fbfa}.upload-box b,.upload-box small{display:block}.upload-box small{margin-top:6px;color:#667b76}.success{margin-top:12px;padding:10px;border-radius:8px;background:#e4f3e8;color:#17603e;font-weight:800}.footer-note{margin-top:22px;color:var(--muted);font-size:13px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.actions a{display:inline-flex;padding:11px 15px;border-radius:10px;background:var(--ink);color:#fff;font-weight:800;text-decoration:none}.actions a.secondary{border:1px solid #b8cdc7;background:#fff;color:var(--ink)}@media(max-width:720px){.hero{grid-template-columns:1fr;padding:24px}.step{grid-template-columns:1fr}.screen{grid-template-columns:105px 1fr}.sidebar{padding:12px}.period,.upload-visual{grid-template-columns:1fr}.content{padding:13px}}