:root{color-scheme:light;--paper:#f7f6f1;--ink:#17201f;--muted:#59635f;--line:#d8d7d0;--accent:#b83d25;--panel:#eeece4}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-color:var(--line) var(--paper);scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}::selection{background:#f7cbbd;color:var(--ink)}a{color:inherit;text-decoration:none;text-underline-offset:5px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:4px}svg{width:20px;height:20px;flex:none}p,h1,h2,h3,h4,ol,dl{margin:0}.site-header,main,.site-footer{max-width:1240px;margin-inline:auto;padding-inline:40px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:650;white-space:nowrap}.brand img{display:block}.site-header nav{display:flex;flex-wrap:wrap;align-items:center;gap:24px;font-size:14px;color:var(--muted)}.site-header nav a{min-height:48px;display:inline-flex;align-items:center;gap:8px}.site-header [aria-current]{color:var(--accent);text-decoration:underline}.intro{display:grid;grid-template-columns:1.12fr 1fr;align-items:start;gap:56px;padding-block:72px 64px}h1{font-size:clamp(40px,4.5vw,64px);font-weight:650;line-height:1.2;letter-spacing:-.03em;text-wrap:balance}.intro-copy .lead{font-size:30px;line-height:1.45;font-weight:600;letter-spacing:-.02em}.intro-copy>p+p{margin-top:20px;color:var(--muted);font-size:17px;line-height:1.8;max-width:65ch}.text-link{display:inline-flex;align-items:center;gap:16px;margin-top:24px;padding-block:8px;color:var(--accent);font-weight:600;text-decoration:underline}.text-link svg{transition:transform 180ms ease-out}.text-link:hover svg{transform:translateX(4px)}.section-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;padding-bottom:24px}.section-heading h2{font-size:24px;font-weight:650;letter-spacing:-.02em}.section-heading p{color:var(--muted);font-size:14px}.tool-entry{display:grid;grid-template-columns:1.12fr 1fr;gap:56px;padding-block:36px 40px;border-block:1px solid var(--line)}.tool-heading{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.tool-heading h3{font-size:30px;line-height:1.4;font-weight:650;letter-spacing:-.02em}.tool-status{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--panel);color:var(--muted);font-size:13px}.tool-status.available{color:var(--accent)}.tool-summary{margin-top:16px;color:var(--muted);max-width:65ch}.tool-flow{display:grid;grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr);align-items:center;gap:16px;margin-top:28px}.tool-flow dt{font-size:13px;color:var(--muted);margin-bottom:6px}.tool-flow dd{margin:0;font-weight:600;font-size:15px;line-height:1.7}.flow-arrow{color:var(--accent);display:flex}.development-note{margin-top:28px;color:var(--muted);font-size:14px;max-width:40ch}.tool-plan summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;cursor:pointer;font-size:15px;font-weight:600;list-style:none}.tool-plan summary::-webkit-details-marker{display:none}.disclosure{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform 180ms ease-out;margin-right:4px}.tool-plan[open] .disclosure{transform:rotate(225deg)}.tool-plan ol{padding-left:22px;padding-top:12px}.tool-plan li{padding-left:8px}.tool-plan li+li{margin-top:20px}.tool-plan li::marker{color:var(--accent);font-size:14px;font-variant-numeric:tabular-nums}.tool-plan h4{font-size:15px;font-weight:600}.tool-plan li p{margin-top:4px;font-size:14px;line-height:1.8;color:var(--muted);max-width:65ch}.data-note{margin-top:24px;color:var(--muted);font-size:13px;line-height:1.8}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;margin-top:28px;padding:12px 24px;border-radius:999px;background:var(--ink);color:#fff;font-size:15px;font-weight:600}.button:hover{background:#303c38;color:#fff}.closing{display:grid;grid-template-columns:1.12fr 1fr;gap:56px;padding-block:48px 56px}.closing h2{font-size:20px;font-weight:600;letter-spacing:-.02em}.closing p{font-size:14px;line-height:1.8;color:var(--muted);max-width:65ch}.site-footer{padding-block:28px 32px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.site-footer>div{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px}.site-footer>div>a{font-weight:600;color:var(--ink)}.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:16px}.site-footer nav a{display:inline-flex;align-items:center;min-height:36px}.site-footer>p{margin-top:12px;font-size:12px}.site-footer>p a:hover{text-decoration:underline}.skip-link{position:absolute;top:-100px;left:24px;background:var(--ink);color:white;padding:12px 20px;z-index:10}.skip-link:focus{top:12px}
@media(max-width:760px){.site-header,main,.site-footer{padding-inline:22px}.site-header{flex-direction:column;align-items:flex-start;gap:0;padding-block:16px 6px}.site-header nav{gap:8px 20px;font-size:13px}.brand{font-size:16px}.intro{grid-template-columns:1fr;gap:24px;padding-block:40px 40px}h1{font-size:40px}.intro-copy .lead{font-size:24px}.intro-copy>p+p{margin-top:16px;font-size:15px}.text-link{margin-top:16px;font-size:15px}.section-heading{gap:8px;padding-bottom:20px}.section-heading h2{font-size:20px}.tool-entry{grid-template-columns:1fr;gap:24px;padding-block:28px 32px}.tool-heading{gap:12px}.tool-heading h3{font-size:24px}.tool-summary{font-size:15px}.tool-flow{gap:12px;margin-top:24px}.tool-flow dd{font-size:14px}.development-note{margin-top:24px}.tool-plan{padding-top:16px;border-top:1px solid var(--line)}.closing{grid-template-columns:1fr;gap:12px;padding-block:32px 40px}.closing h2{font-size:18px}.site-footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}.desktop-break{display:none}}
@media(max-width:360px){.site-header,main,.site-footer{padding-inline:16px}h1{font-size:34px}.site-header nav{gap:6px 14px}.intro-copy .lead{font-size:22px}.tool-heading h3{font-size:22px}.tool-flow{gap:10px}.tool-flow dd{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.text-link:hover svg{transform:none}}