:root{color-scheme:light;--page:#f4f7f4;--paper:#fff;--ink:#253d38;--muted:#5d7167;--line:#e0e9e2;--green:#28735f;--green-hover:#1c5e4d;--mint:#edf5ef;--pink:#f7e8e4;--serif:"Songti SC","Noto Serif CJK SC","STSong",serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--shadow:0 10px 40px #2d5c4207}*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--ink);font:15px/1.65 var(--sans);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed}button,a,select,summary{outline-offset:4px}:focus-visible{outline:2px solid var(--green)}[hidden]{display:none!important}.site-header{max-width:1184px;margin:auto;min-height:88px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;font:600 23px/1.3 var(--serif);letter-spacing:.06em;white-space:nowrap}.brand-mark{width:34px;height:34px;display:block;color:var(--green)}.site-nav{display:flex;gap:8px;align-items:center}.site-nav a{min-height:44px;padding:10px 18px;border-radius:24px;color:var(--muted);font-size:14px}.site-nav a:hover{color:var(--green);background:#e9f1e9}.site-nav a[aria-current=page]{background:#e5efe7;color:var(--green);font-weight:600}.container{width:min(100% - 64px,1120px);margin:auto}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:12px 23px;border:1px solid transparent;border-radius:12px;font-weight:600;font-size:14px;line-height:1.5;transition:background .15s,box-shadow .15s,transform .15s}.button-primary{background:var(--green);color:#fff;box-shadow:0 5px 14px #28735f18}.button-primary:hover{background:var(--green-hover);transform:translateY(-1px)}.button-secondary{background:#fff;color:var(--ink);border-color:#dce6de}.button-secondary:hover{border-color:#b5cbbd;background:#fafcf9}.button:disabled{background:#e9eeea;color:#89978e;box-shadow:none;border-color:#e5eae6;transform:none}.button svg{width:18px;height:18px;flex:none}.text-button{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:8px 0;border:0;background:none;color:var(--muted);font-size:14px}.text-button:hover{color:var(--green)}.text-button svg{width:16px;height:16px}.page-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 0 32px;color:var(--muted);font-size:13px}.footer-note{display:flex;align-items:center;gap:8px}.footer-note svg{width:16px;height:16px;color:#7c9c88}.notice,.error-banner{padding:14px 18px;border-radius:12px;font-size:14px;background:#fff4e3;color:#77552b;border:1px solid #efdfc3}.error-banner{background:#fff0ed;color:#9f493e;border-color:#efcec6}.dialog{width:min(520px,calc(100% - 32px));border:1px solid var(--line);border-radius:24px;padding:32px;color:var(--ink);background:#fff;box-shadow:0 30px 100px #1d3d3426}.dialog::backdrop{background:#213d3545}.dialog h2{margin:0 0 16px;font:600 26px/1.4 var(--serif)}.dialog p{margin:12px 0;color:var(--muted);line-height:1.9}.dialog .button{margin-top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){.site-header{min-height:76px;padding:0 20px;gap:12px}.brand{font-size:19px;gap:8px}.brand-mark{width:28px;height:28px}.site-nav{gap:2px}.site-nav a{font-size:13px;padding:10px 12px}.container{width:calc(100% - 32px)}.button{min-height:48px;padding:12px 18px}.page-footer{padding:22px 0;flex-wrap:wrap;font-size:12px}.dialog{padding:25px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media(max-width:370px){.site-header{padding:0 16px;gap:8px}.brand{font-size:18px;gap:7px}.brand-mark{width:24px;height:24px}.site-nav a{padding:10px;font-size:12px}}