:root{color-scheme:light;--bg:#f7f8f5;--ink:#182723;--muted:#67736e;--line:#dde3dd;--green:#35624f;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #458e6b;outline-offset:5px}button:focus-visible{border-radius:8px}[hidden]{display:none!important}.skip-link{position:fixed;top:-100px;left:20px;padding:10px 18px;background:white;z-index:100}.skip-link:focus{top:12px}
.site-header,main,footer{width:min(1280px,calc(100% - 96px));margin-inline:auto}.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:12px;font-size:26px;letter-spacing:-1px;font-weight:650;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:36px;height:38px;border-radius:9px;background:var(--green);color:white;font-size:27px;letter-spacing:0}.site-header nav{display:flex;align-items:center;gap:34px;font-size:14px}.site-header nav a{padding:10px 0}.site-header nav a:hover{color:var(--green)}.account-link span{margin-left:5px;font-size:16px;color:var(--muted)}h1{margin:34px 0 36px;font-size:clamp(28px,3.15vw,44px);line-height:1.35;font-weight:600;letter-spacing:-1px}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.tool-card{position:relative;min-width:0}.tool-link{display:block;border:1px solid var(--line);border-radius:var(--radius);background:white;overflow:hidden;transition:box-shadow .22s,border-color .22s}.tool-link:hover{border-color:#b7c7bf;box-shadow:0 12px 36px #1533250a}.tool-image{aspect-ratio:4/3;overflow:hidden;background:#e8ede8}.tool-image img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.2,.65,.3,1)}.tool-link:hover .tool-image img{transform:scale(1.025)}.tool-label{padding:24px 28px 26px;display:flex;align-items:center;justify-content:space-between;gap:14px}.tool-label h2{font-size:26px;line-height:1.4;font-weight:600;margin:0 0 5px;letter-spacing:.5px}.tool-label p{font-size:16px;line-height:1.5;color:var(--muted);margin:0}.open-arrow{font-size:26px;color:#677a70;transition:transform .2s}.tool-link:hover .open-arrow{transform:translate(2px,-2px)}
.entry-note{margin:-20px 0 32px;color:var(--muted);font-size:14px}.tool-access{display:block;margin-top:10px;color:var(--green);font-size:12px;line-height:1.65}footer{margin-top:65px;padding:0 0 28px;text-align:center;font-size:12px;color:#96a09a}
@media(min-width:1600px){.site-header{height:120px}h1{margin-top:40px;margin-bottom:44px}.tool-label{padding-block:28px}}
@media(max-width:900px){.site-header,main,footer{width:calc(100% - 56px)}.site-header{height:90px}.site-header nav{gap:22px}.tool-grid{gap:20px}.tool-label{padding:20px}.tool-label h2{font-size:24px}.tool-label p{font-size:14px}}
@media(max-width:640px){.site-header,main,footer{width:calc(100% - 36px)}.site-header{height:82px;gap:12px}.brand{gap:9px;font-size:22px}.brand-mark{width:31px;height:33px;font-size:24px}.site-header nav{gap:12px}.site-header nav a:first-child{display:none}.account-link{font-size:13px}.account-link span{display:none}h1{margin:24px 0 26px;font-size:28px;letter-spacing:-.5px}.tool-grid{grid-template-columns:1fr;gap:24px}.tool-image{aspect-ratio:4/3}.tool-label{padding:20px 22px}.tool-label p{font-size:16px}.tool-label h2{font-size:25px}footer{margin-top:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}