:root{--teal:#2a9d8f;--teal-ink:#14695f;--teal-press:#0f524b;--ink:#14332f;--muted:#3d5c56;--paper:#f4f7f6;--card:#fff;--line:#d5e3e0;--tint:#e7f4f2;--shadow:0 18px 40px #14332f0f;--wrap:960px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:radial-gradient(ellipse 70% 42% at 100% -8%, #2a9d8f29, transparent 55%), var(--paper);text-rendering:optimizelegibility;margin:0;font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Source Han Sans SC,Microsoft YaHei,sans-serif;font-size:17px;line-height:1.7}h1,h2,h3,.brand,.price{letter-spacing:.03em;font-family:Songti SC,Noto Serif SC,Source Han Serif SC,STSong,SimSun,serif;font-weight:600;line-height:1.2}h1,h2,h3,p{margin:0}a{color:var(--teal-ink)}a:hover{color:var(--teal-press)}:focus-visible{outline:2px solid var(--teal-ink);outline-offset:3px}::selection{background:#cbe8e3}.skip{background:var(--card);z-index:5;padding:8px 12px;position:absolute;top:-40px;left:12px}.skip:focus{top:12px}.wrap{width:min(var(--wrap), calc(100% - 40px));margin:0 auto}.narrow{width:min(680px,100% - 40px)}.site-header{z-index:2;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f4f7f6eb;position:sticky;top:0}.bar{width:min(var(--wrap), calc(100% - 40px));flex-wrap:wrap;align-items:center;gap:12px 22px;margin:0 auto;padding:14px 0;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;margin-right:auto;font-size:22px;text-decoration:none;display:inline-flex}.brand:hover{color:var(--teal-ink)}.brand-mark{background:var(--teal-ink);width:22px;height:22px;box-shadow:inset 0 -7px 0 var(--teal);border-radius:6px;flex:none}.nav{flex-wrap:wrap;order:3;gap:8px 16px;width:100%;display:flex}.nav a{color:var(--muted);cursor:pointer;text-decoration:none}.nav a:hover{color:var(--teal-ink)}.button{background:var(--teal-ink);color:#fff;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:0 22px;font-weight:600;text-decoration:none;transition:background-color .18s;display:inline-flex}.button:hover{background:var(--teal-press);color:#fff}.button-small{min-height:40px;padding:0 16px;font-size:15px}.hero{padding:48px 0 28px}.hero-grid{gap:36px;display:grid}.eyebrow{color:var(--teal-ink);letter-spacing:.04em;margin-bottom:12px;font-size:14px;font-weight:600}h1{font-size:clamp(56px,12vw,92px)}.tagline{margin-top:10px;font-size:clamp(22px,3vw,28px)}.lead{max-width:38em;margin-top:18px;font-size:18px}.actions{flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:26px;display:flex}.text-link{text-underline-offset:3px;cursor:pointer;font-weight:600}.fine{color:var(--muted);margin-top:14px;font-size:15px}.english{border-left:3px solid var(--teal);background:#ffffffb3;max-width:40em;margin-top:28px;padding:14px 16px}.english-label{color:var(--teal-ink);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;font-size:12px;font-weight:700}.english p:last-child{color:var(--ink)}.slip{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;align-self:start;padding:22px 22px 16px}.slip-kicker{color:var(--muted);letter-spacing:.12em;font-size:13px}.slip ol{margin:8px 0 14px;padding:0;list-style:none}.slip li{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:13px 0;font-size:20px;display:flex}.slip li:after{content:"";background:var(--teal);border-radius:99px;width:8px;height:8px}.slip-note{background:var(--tint);color:var(--teal-ink);border-radius:10px;margin-top:8px;padding:10px 12px}.band{padding:28px 0 56px}.band h2,.site-footer h2{margin-bottom:18px;font-size:32px}.features{border-top:1px solid var(--line);gap:0;margin:0;padding:0;list-style:none;display:grid}.features li{border-bottom:1px solid var(--line);grid-template-columns:48px 1fr;gap:8px;padding:16px 0;display:grid}.features span{color:var(--teal);font-variant-numeric:tabular-nums;padding-top:2px}.features h3{letter-spacing:0;font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif;font-size:20px}.features p{color:var(--muted)}.band-plain .prices{gap:12px;display:grid}.prices article{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px}.price-pro{border-color:var(--teal);box-shadow:inset 3px 0 0 var(--teal)}.prices h3{letter-spacing:0;color:var(--muted);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif;font-size:16px}.price{margin-top:6px;font-size:32px}.band-plain .button{margin-top:18px}#privacy p+p{margin-top:12px}.site-footer{border-top:1px solid var(--line);padding:12px 0 88px}.facts{gap:14px;margin:0;display:grid}.facts div{gap:2px;display:grid}.facts dd{margin:0}.facts dt{color:var(--muted);font-size:13px}.facts a{overflow-wrap:anywhere}.legal{color:var(--muted);margin-top:18px;font-size:14px}.legal+.legal{margin-top:6px}@media (width>=720px){.nav{order:0;width:auto}.hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);align-items:center;gap:48px}.features{grid-template-columns:1fr 1fr;column-gap:36px}.features li:nth-child(odd){padding-right:8px}.band-plain .prices,.facts{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}