:root{--paper:#fafaf9;--ink:#171717;--muted:#78716c;--line:#e7e5e4;--brand:#f97316;--card:#fff}*{box-sizing:border-box}html,body{background:var(--paper);color:var(--ink);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif}a{color:inherit}img{max-width:100%}.wrap{max-width:560px;margin:0 auto;padding:16px 16px 48px}.top{justify-content:space-between;align-items:center;padding:10px 0 14px;display:flex}.brand{align-items:center;gap:9px;font-size:15px;font-weight:600;text-decoration:none;display:flex}.logo{background:var(--ink);color:#fff;border-radius:9px;place-items:center;width:30px;height:30px;font-size:14px;font-weight:700;display:grid}.brand small{color:#a8a29e;margin-left:4px;font-size:12px;font-weight:400}.top .meta{color:var(--muted);font-size:12px}.top nav a{color:var(--muted);margin-left:14px;font-size:12px;text-decoration:none}.card{background:var(--card);border-radius:16px;margin-bottom:14px;padding:18px;box-shadow:0 1px 2px #0000000a,0 10px 30px -18px #0003}.hero{padding-top:8px}.hero h1{letter-spacing:-.02em;margin:0 0 12px;font-size:30px;font-weight:700;line-height:1.25}.hero p.lead{color:#57534e;margin:0 0 18px;font-size:14px;line-height:1.75}.tag{border:1px solid var(--line);color:#57534e;background:#fff;border-radius:99px;align-items:center;gap:6px;margin-bottom:12px;padding:4px 10px;font-size:12px;display:inline-flex}.tag i{background:var(--brand);border-radius:50%;width:6px;height:6px;display:inline-block}.example{margin-top:16px}.example .pair{grid-template-columns:1fr 1fr;gap:6px;display:grid}.example figure{margin:0;position:relative}.example figure img{border-radius:10px;width:100%;display:block}.example figure span{color:#fff;background:#0000008c;border-radius:5px;padding:1px 6px;font-size:10px;position:absolute;bottom:6px;left:6px}.example .note{color:#a8a29e;margin:6px 0 0;font-size:10px}.entries{grid-template-columns:1fr 1fr;gap:10px;display:grid}.entry{border:1.5px dashed var(--line);text-align:center;color:var(--muted);cursor:pointer;background:#fff;border-radius:14px;padding:18px 10px;font-size:13px;transition:all .15s;display:block}.entry:active{border-color:var(--brand);background:#fff7ed}.entry b{color:var(--ink);margin-bottom:4px;font-size:14px;display:block}.entry input{display:none}.thumbs{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.thumbs .item{position:relative}.thumbs img{object-fit:cover;background:#f5f5f4;border-radius:10px;width:68px;height:68px;display:block}.thumbs .del{color:#fff;cursor:pointer;background:#171717;border:0;border-radius:50%;width:20px;height:20px;padding:0;font-size:12px;line-height:1;position:absolute;top:-6px;right:-6px}.primary{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:12px;width:100%;height:48px;margin-top:14px;font-size:15px;font-weight:600}button.primary:disabled,.primary[aria-disabled=true]{color:#78716c;cursor:not-allowed;background:#d6d3d1}.ghost{border:1px solid var(--line);color:#44403c;cursor:pointer;background:#fff;border-radius:12px;width:100%;height:46px;margin-top:10px;font-size:14px}button.small{height:42px;margin-top:0;font-size:14px}.progress{background:#f5f5f4;border-radius:99px;height:6px;margin:14px 0 8px;overflow:hidden}.progress>i{background:var(--brand);width:0;height:100%;transition:width .4s;display:block}.row{color:#57534e;justify-content:space-between;align-items:center;gap:10px;font-size:13px;display:flex}.row strong{color:var(--ink)}.chips{flex-wrap:wrap;gap:6px;margin:12px 0;display:flex}.chip{color:#44403c;background:#f5f5f4;border-radius:6px;padding:3px 8px;font-size:12px}.advice{color:#7c2d12;background:#fff7ed;border:1px solid #fed7aa;border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.7}.advice b{color:#9a3412}.compare{grid-template-columns:1fr 1fr;gap:6px;margin-top:10px;display:grid}.compare figure{margin:0}.compare img{background:#f5f5f4;border-radius:10px;width:100%;display:block}.compare figcaption{color:var(--muted);text-align:center;margin-top:4px;font-size:11px}.muted{color:#a8a29e;font-size:12px;line-height:1.6}.err{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;margin-top:12px;padding:10px 12px;font-size:13px;line-height:1.6}.hide{display:none!important}h2.section{letter-spacing:-.01em;margin:26px 0 6px;font-size:19px}p.section-sub{color:var(--muted);margin:0 0 14px;font-size:13px}.steps{gap:10px;display:grid}.step{background:#fff;border-radius:14px;padding:16px;box-shadow:0 1px 2px #00000008}.step em{color:var(--brand);font-size:12px;font-style:normal;font-weight:600}.step h3{margin:4px 0 6px;font-size:15px}.step p{color:#57534e;margin:0;font-size:13px;line-height:1.7}.prices{gap:10px;display:grid}.price{border:1px solid var(--line);background:#fff;border-radius:16px;padding:16px;position:relative}.price.hot{background:#fafaf9;box-shadow:inset 0 0 0 1px #17171714}.price .badge{background:var(--brand);color:#fff;border-radius:99px;padding:2px 8px;font-size:10px;position:absolute;top:12px;right:12px}.price h3{margin:0 0 8px;font-size:15px}.price .amount{letter-spacing:-.02em;font-size:28px;font-weight:700}.price .amount small{color:var(--muted);margin-left:4px;font-size:12px;font-weight:400}.price ul{margin:10px 0 0;padding:0;list-style:none}.price li{color:#57534e;margin:6px 0;font-size:13px}.price li:before{content:"·";color:var(--brand);margin-right:6px;font-weight:700}details{border-bottom:1px solid var(--line);padding:12px 0}details summary{cursor:pointer;justify-content:space-between;align-items:center;font-size:14px;list-style:none;display:flex}details summary::-webkit-details-marker{display:none}details summary:after{content:"+";color:#a8a29e}details[open] summary:after{content:"×"}details p{color:#57534e;margin:8px 0 0;font-size:13px;line-height:1.75}.foot{text-align:center;color:#a8a29e;margin-top:24px;font-size:11px;line-height:1.9}.foot a{color:#78716c;margin:0 6px;text-decoration:none}.foot .brandline{color:#78716c;margin-bottom:6px;font-size:12px}@media (min-width:900px){.wrap{max-width:1040px;padding-top:20px}.top{padding:4px 0 28px}.top .meta{display:none}.hero{grid-template-columns:1.05fr .95fr;align-items:start;gap:44px;padding-top:12px;display:grid}.hero h1{font-size:44px;line-height:1.18}.hero p.lead{font-size:15px}.hero-right .example{background:#fff;border-radius:18px;padding:10px;box-shadow:0 1px 2px #0000000a,0 18px 40px -24px #00000040}.hero-right .example .note{padding:0 4px 4px}.steps{grid-template-columns:repeat(3,1fr)}.prices{grid-template-columns:repeat(2,1fr)}.foot{margin-top:36px}}.paid-notice{color:#065f46;background:#ecfdf5;border:1px solid #a7f3d0;border-radius:12px;margin-bottom:12px;padding:10px 14px;font-size:13px}.progress i{transition:width .45s}