:root{--bone: #FAFAF7;--bone2: #F1F0EC;--paper: #FFFFFF;--obsidian: #0A0A0A;--text-2: #424242;--text-3: #5C5C5C;--text-subtle: #6B6B6B;--teal: #0F766E;--teal-soft: #D6E8E5;--teal-bright: #34D3A8;--hairline: rgba(10, 10, 10, .08);--red: #FF4D2E;--amber: #F59E0B}*{box-sizing:border-box}body{margin:0;background:var(--bone);color:var(--obsidian);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.wrap{max-width:440px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:var(--bone)}.hdr{display:flex;align-items:center;gap:9px;padding:18px 20px;border-bottom:1px solid var(--hairline)}.hdr .mark{width:9px;height:9px;border-radius:50%;background:var(--teal)}.hdr .wordmark{font-weight:700;font-size:16px;color:var(--obsidian);letter-spacing:.04em}.hdr .sub{margin-left:auto;font-size:12px;color:var(--text-3)}.ftr{text-align:center;color:var(--text-subtle);font-size:12px;padding:20px}.card{background:var(--paper);margin:16px;border:1px solid var(--hairline);border-radius:20px;padding:20px;box-shadow:0 1px 2px #0a0a0a08;flex:1}.course{display:flex;gap:14px;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--hairline);margin-bottom:18px}.thumb{width:88px;height:58px;object-fit:cover;border-radius:12px;flex:none;background:var(--bone2)}.ctitle{font-weight:600;line-height:1.35;color:var(--obsidian)}.cmeta{color:var(--text-3);font-size:13px;margin-top:3px}.price{color:var(--teal);font-weight:700;font-size:22px;margin-top:6px}.lbl{display:block;font-size:13px;color:var(--text-subtle);font-weight:500;margin:16px 0 7px}.inp{width:100%;padding:13px 14px;border:1.5px solid var(--hairline);border-radius:12px;font-size:16px;font-family:inherit;color:var(--obsidian);background:var(--paper);outline:none;transition:border-color .15s ease}.inp::placeholder{color:#9a9a9a}.inp:focus{border-color:var(--teal)}.btn{width:100%;margin-top:20px;padding:15px;border:0;border-radius:12px;background:var(--obsidian);color:var(--bone);font-weight:600;font-size:16px;font-family:inherit;cursor:pointer;transition:opacity .15s ease}.btn:hover{opacity:.92}.btn:disabled{opacity:.35;cursor:not-allowed}.link{display:block;width:100%;background:none;border:0;color:var(--text-3);margin-top:14px;cursor:pointer;font-family:inherit;font-size:14px}.providers{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pchip{padding:14px;border:1.5px solid var(--hairline);border-radius:12px;background:var(--paper);font-weight:600;color:var(--obsidian);cursor:pointer;font-family:inherit;transition:border-color .12s ease,background .12s ease}.pchip.sel{border-color:var(--teal);background:var(--teal-soft)}.instr{margin-top:18px;background:var(--bone2);border:1px solid var(--hairline);border-radius:14px;padding:16px;font-size:14px;color:var(--text-2)}.merchant{font-size:24px;font-weight:700;letter-spacing:.06em;color:var(--teal);margin:10px 0;text-align:center}.muted{color:var(--text-3);font-size:13px}.err{color:var(--red);font-size:14px;margin-top:10px}.partial{background:#fff8ec;border:1px solid rgba(245,158,11,.35);color:#92400e;padding:12px 14px;border-radius:12px;font-size:14px;margin-bottom:8px}.success{text-align:center;padding:18px 0}.tick{width:66px;height:66px;border-radius:50%;background:var(--teal);color:#fff;font-size:34px;line-height:66px;margin:0 auto 14px;font-weight:700}.success h2{font-size:20px;font-weight:700;margin:0 0 8px;color:var(--obsidian)}.catalog-h{font-size:17px;font-weight:700;color:var(--obsidian);margin:2px 0 16px}.clist{display:flex;flex-direction:column;gap:10px}.crow{display:flex;align-items:center;gap:13px;width:100%;text-align:left;padding:10px;border:1px solid var(--hairline);border-radius:14px;background:var(--paper);cursor:pointer;font-family:inherit;transition:border-color .12s ease,background .12s ease}.crow:hover{border-color:var(--teal);background:#fcfcfb}.cthumb{width:84px;height:56px;border-radius:10px;object-fit:cover;background:var(--bone2);flex:none}.cinfo{flex:1;min-width:0}.crow-title{font-weight:600;color:var(--obsidian);line-height:1.3}.crow-price{color:var(--teal);font-weight:700;font-size:16px;margin-top:4px}.chev{color:var(--text-3);font-size:22px;flex:none}.back-top{width:auto;text-align:left;margin:0 0 12px}.support{display:block;text-align:center;margin-top:20px;padding-top:16px;border-top:1px solid var(--hairline);color:var(--teal);font-size:14px;font-weight:500;text-decoration:none}