:root{--brand:#00ba98;--brand-light:#19dba1;--brand-deep:#019877;--brand-tint:#e5fbf6;--brand-tint-soft:#f2faf7;--brand-shadow:#00ba983d;--accent:#ffd666;--accent-deep:#f5b800;--ink:#12141b;--ink-2:#5b6270;--ink-3:#98a0ad;--line:#ececec;--surface:#fff;--surface-muted:#f7f8fa;--radius-sm:12px;--radius:20px;--radius-lg:28px;--radius-pill:999px;--shadow-sm:0 4px 16px #12141b0d;--shadow:0 18px 48px -12px #0078642e;--shadow-brand:0 16px 32px -10px var(--brand-shadow);--container:1200px;--gutter:20px;--section-y:56px;--gradient-brand:linear-gradient(135deg, var(--brand-light), var(--brand) 55%, var(--brand-deep));--gradient-text:linear-gradient(120deg, var(--brand-deep), var(--brand-light))}@media (width>=768px){:root{--gutter:32px;--section-y:72px}}@media (width>=1024px){:root{--gutter:40px;--section-y:96px}}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{color:var(--ink);background-color:var(--brand-tint-soft);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,Helvetica Neue,sans-serif;line-height:1.6}body,figure,h1,h2,h3,h4,ol,p,ul{margin:0}ol,ul{padding:0;list-style:none}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}.container{width:100%;max-width:var(--container);padding:0 var(--gutter);margin:0 auto}.page{min-height:60vh}.site{flex-direction:column;min-height:100vh;display:flex}.skip-link{z-index:100;background-color:var(--brand);color:#fff;border-radius:0 0 var(--radius-sm) 0;padding:12px 20px;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}.doc-article{color:#444;font-size:15px;line-height:1.9}.doc-article h2{color:var(--ink);margin:28px 0 10px;font-size:17px;font-weight:600}.doc-article h2:first-child{margin-top:0}.doc-article p{text-align:justify;margin:10px 0}.doc-article ul{margin:10px 0;padding-left:20px;list-style:outside}.doc-article li{text-align:justify;margin:6px 0}.doc-article strong{color:var(--ink)}.doc-article .highlight{color:var(--brand);font-weight:600}.doc-article .notice{border-left:3px solid var(--brand);color:#555;background-color:#f6f7f9;border-radius:6px;margin:12px 0;padding:12px 14px;font-size:14px;line-height:1.8}.section{padding:var(--section-y) 0}.section-head{text-align:center;max-width:640px;margin:0 auto 32px}@media (width>=768px){.section-head{margin-bottom:48px}}.section-eyebrow{border-radius:var(--radius-pill);color:var(--brand-deep);letter-spacing:.04em;background-color:#00ba981a;margin-bottom:12px;padding:4px 14px;font-size:13px;font-weight:600;display:inline-block}.section-title{letter-spacing:-.01em;font-size:clamp(22px,3.4vw,34px);font-weight:700;line-height:1.3}.section-subtitle{color:var(--ink-2);margin-top:12px;font-size:clamp(14px,1.6vw,16px)}.btn{border-radius:var(--radius-pill);justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 28px;font-size:16px;font-weight:600;transition:transform .18s,box-shadow .18s,background-color .18s;display:inline-flex}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--gradient-brand);color:#fff;box-shadow:var(--shadow-brand)}.btn-primary:hover{box-shadow:0 20px 38px -10px var(--brand-shadow)}.btn-ghost{color:var(--brand-deep);background-color:#fff;border:1px solid #00ba9859}.btn-ghost:hover{background-color:#00ba9814}.btn-block{width:100%}.card{background-color:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}