:root{--bg:#FAFAF8;--tint:#F1F2EA;--warm:#FDF6EC;--ink:#25251F;--ink2:#55544A;--ink3:#8B8A7E;--line:#E5E4DC;--line2:#D8D7CC;--brand:#CC451C;--brand2:#E8531F;--yel:#FFD43B;--yel-soft:#FFF6D9;--green:#3E7C4F;--green-soft:#EAF2EA;--blue:#2B6CB0;--blue-soft:#EAF1F8;--r-s:8px;--r:14px;--r-l:20px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.8;font-size:16px;overflow-x:hidden;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{max-width:860px;margin:0 auto;padding:0 24px}.page-hero{padding:132px 0 30px;text-align:center;position:relative}.page-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 50% 55% at 50% 0%,rgba(255,212,59,.18),transparent)}.page-hero .eyebrow{font-size:12.5px;letter-spacing:3.5px;color:var(--brand);font-weight:800;margin-bottom:12px}.page-hero h1{font-size:clamp(27px,4.4vw,40px);font-weight:800;position:relative}.page-hero h1 .u{position:relative;white-space:nowrap}.page-hero h1 .u:after{content:"";position:absolute;left:-2%;right:-2%;bottom:4px;height:12px;background:#ffd43b8c;z-index:-1;transform:rotate(-1deg)}.page-hero p{color:var(--ink2);max-width:560px;margin:16px auto 0;position:relative;font-size:15.5px}.checklist{display:grid;gap:13px;margin:38px 0}.chk{background:#fff;border:1.5px solid var(--line);border-radius:15px;padding:20px 22px;display:flex;gap:16px;align-items:flex-start;cursor:pointer;transition:.2s;user-select:none}.chk:hover{border-color:var(--line2);box-shadow:0 6px 18px #25251f0d}.chk input{display:none}.chk .box{flex-shrink:0;width:26px;height:26px;border-radius:8px;border:2px solid var(--line2);display:flex;align-items:center;justify-content:center;font-size:15px;color:transparent;transition:.2s;margin-top:3px;background:var(--bg)}.chk input:checked+.box{background:var(--green);border-color:var(--green);color:#fff}.chk input:checked~.txt h3{color:var(--green)}.chk .txt h3{font-size:16px;transition:.2s}.chk .txt p{font-size:13.5px;color:var(--ink2);margin-top:4px}.done-bar{background:var(--green-soft);border:1px solid #C5DBC8;border-radius:13px;padding:16px 20px;text-align:center;font-size:14.5px;color:var(--green);font-weight:600;display:none}.done-bar.show{display:block;animation:fadeUp .4s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.done-bar a{color:var(--brand)}section.blk{padding:52px 0}section.blk.tint{background:var(--tint)}.sec-head{margin-bottom:26px}.sec-head .eyebrow{font-size:11.5px;letter-spacing:3px;color:var(--brand);font-weight:800;margin-bottom:8px}.sec-head h2{font-size:clamp(20px,3.2vw,26px);font-weight:800}.sec-head p{color:var(--ink2);font-size:14px;margin-top:6px}.steps{display:grid;gap:14px}.step{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px;display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}@media(max-width:560px){.step{grid-template-columns:1fr}}.step .sn{width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--yel);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}.step h3{font-size:16.5px;margin-bottom:6px}.step p{font-size:14px;color:var(--ink2)}.step p b{color:var(--ink)}.step .tip{margin-top:10px;font-size:12.5px;background:var(--blue-soft);border:1px solid #C9D9EC;border-radius:9px;padding:7px 13px;color:var(--blue)}.step a{color:var(--brand);border-bottom:1px dashed var(--brand);font-weight:600}.dev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:760px){.dev-grid{grid-template-columns:1fr}}.dev{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;text-align:center}.dev .em{font-size:30px;display:block;margin-bottom:10px}.dev h4{font-size:15px;margin-bottom:6px}.dev p{font-size:12.5px;color:var(--ink2)}.dev.ok{border-color:#c5dbc8;background:var(--green-soft)}.dev.warn{border-color:#f0de9a;background:var(--yel-soft)}.dev.no{border-color:#f5c2c2;background:#fdf3f3;opacity:.9}.notice{background:#fff;border:1px solid var(--line);border-radius:17px;padding:26px 28px}.notice h3{font-size:17px;margin-bottom:14px;color:var(--brand)}.notice ul{list-style:none;display:grid;gap:12px}.notice li{font-size:14px;color:var(--ink2);padding-left:26px;position:relative;line-height:1.8}.notice li:before{content:"●";position:absolute;left:4px;font-size:9px;top:9px;color:var(--brand)}.notice li b{color:var(--ink)}.cta-strip{margin-top:44px;background:var(--ink);border-radius:18px;padding:32px;text-align:center;color:#fafaf8}.cta-strip h3{font-size:19px;color:#fafaf8}.cta-strip p{font-size:13.5px;color:#fafaf8b3;margin:8px 0 18px}.cta-strip a{display:inline-block;background:var(--brand);color:#fff;padding:12px 26px;border-radius:10px;font-weight:700;transition:.2s}.cta-strip a:hover{background:var(--brand2);transform:translateY(-2px)}