:root{color-scheme:light;--paper:#F9F4E8;--surface:#FFFDF6;--ink:#121415;--muted:#1C1F20;--accent:#14707E}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}header{max-width:1000px;margin:auto;padding:28px 28px 0;display:flex;align-items:center;justify-content:space-between}a{color:var(--accent);text-underline-offset:5px}header a{text-decoration:none;color:var(--ink)}.brand{font-weight:700;font-size:22px;letter-spacing:.15em}.brand img{width:48px;height:48px;object-fit:contain;vertical-align:middle;margin-right:12px}main{max-width:900px;margin:56px auto 72px;padding:0 28px}.narrow{max-width:480px;margin:auto}.eyebrow{font-size:12px;letter-spacing:.2em;color:var(--accent);font-weight:700}h1{font-size:clamp(30px,5vw,46px);line-height:1.3;letter-spacing:-.03em;margin:12px 0 20px}h2{font-size:22px;line-height:1.4;margin:0 0 16px}p{margin:12px 0}.intro{margin-bottom:30px}.panel{padding:28px;background:var(--surface);border:1px solid #12141522;border-radius:16px;margin:22px 0}.panel>p:first-child{margin-top:0}label{display:block;margin:18px 0 8px;font-size:14px;font-weight:600}input{font:inherit;font-size:16px;width:100%;padding:12px 14px;border:1px solid #12141555;border-radius:8px;background:var(--surface);color:var(--ink)}input:focus{outline:2px solid var(--accent);outline-offset:2px}button,.button{display:inline-block;min-height:48px;padding:12px 20px;background:var(--accent);color:var(--surface);border:0;border-radius:8px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;text-align:center}.full{width:100%;margin-top:24px}.secondary{background:transparent;color:var(--ink);border:1px solid #12141555}.quiet{background:none;color:var(--accent);padding:4px 0;min-height:44px;font-weight:400}.row{display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between}.row form{margin:0}.note{font-size:13px}.message{padding:14px 18px;border-left:3px solid var(--accent);background:var(--surface);margin:20px 0}.product{padding:20px 0;border-top:1px solid #12141522}.product:last-child{padding-bottom:0}code{overflow-wrap:anywhere;font-size:13px}footer{max-width:1000px;padding:24px 28px;margin:0 auto;border-top:1px solid #12141522;font-size:12px}.password{position:relative}.password input{padding-right:70px}.password button{position:absolute;right:8px;top:4px}.links{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:24px}.check{padding:14px 0;border-bottom:1px solid #12141522}ul{padding-left:22px}@media(max-width:520px){header{padding:20px 20px 0}header span.note{display:none}main{margin:36px auto 48px;padding:0 20px}.panel{padding:22px}.row{align-items:flex-start}footer{padding:20px}.brand img{width:40px;height:40px}}