:root{--cream:#fef9f0;--green:#2d5016;--orange:#e8722a;--yellow:#f5c542;--brown:#8b4513;--muted:#8b7355;--pill:#d4e4bc;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--green);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
.wrap{width:min(1152px,calc(100% - 48px));margin:0 auto}
.nav{position:sticky;top:0;z-index:20;background:rgba(254,249,240,.96);border-bottom:1px solid var(--pill);backdrop-filter:blur(10px)}
.nav-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-size:23px;font-weight:800;display:flex;align-items:center;gap:10px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--pill);font-size:18px}
.brand-logo{width:36px;height:36px;object-fit:contain;flex:none}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px}
.nav-links a:not(.btn){padding:10px 0;transition:color .2s}
.nav-links a:not(.btn):hover,.nav-links a.active{color:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 23px;border:0;border-radius:999px;background:var(--orange);color:#fff;font-weight:700;transition:background .2s,transform .2s}
.btn:hover{background:#d96420}
.btn:active{transform:scale(.97)}
.btn:disabled{cursor:not-allowed;opacity:.55;transform:none}
.btn-light{background:var(--pill);color:var(--green)}
.btn-light:hover{background:#c4d6a5}
.footer{background:#fff;padding:48px 0 28px;color:var(--brown)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer h3{margin:0 0 14px;font-size:17px;color:var(--green)}
.footer p,.footer a{font-size:13px;color:var(--muted)}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer a:hover{color:var(--orange)}
.copyright{border-top:1px solid #f0e6d7;margin-top:36px;padding-top:22px;text-align:center;font-size:12px;color:var(--muted)}
@media(max-width:900px){.nav-links a:not(.btn){display:none}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.wrap{width:min(100% - 28px,1152px)}.nav-inner{min-height:64px;gap:10px}.brand{font-size:19px}.nav-links{gap:0}.nav-links .btn{padding:10px 16px;font-size:13px;min-height:40px}.footer-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}