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60%);pointer-events:none;z-index:-1}.coop-contact{margin:0;padding:0;max-width:min(28rem,100%);display:flex;flex-direction:column;gap:1.15rem;text-align:left;font-family:var(--font-literata),"Songti SC","Noto Serif SC",serif}.coop-contact-row{display:grid;grid-template-columns:3.25rem minmax(0,1fr);gap:.65rem 1rem;align-items:baseline}.coop-contact-row dt{margin:0;font-size:.8rem;font-weight:600;letter-spacing:.12em;color:rgba(74,93,96,.55)}.coop-contact-row dd{margin:0;font-size:1.05rem;line-height:1.5;color:var(--slate);word-break:break-all}.coop-contact-link{font-family:inherit;font-size:inherit;color:var(--slate);text-decoration:none;border-bottom:1px solid rgba(255,168,168,.45);transition:color .3s var(--ease-out-expo),border-color .3s var(--ease-out-expo)}.coop-contact-link:hover{color:var(--macaron-coral);border-bottom-color:var(--macaron-coral)}.coop-wechat{font:inherit;letter-spacing:inherit}.coop-contact-row--note dd{font-size:.98rem;color:rgba(74,93,96,.82)}@media (max-width:420px){.coop-contact-row{grid-template-columns:1fr;gap:.25rem}}footer{padding:4rem 1.5rem;text-align:center;font-family:var(--font-sora),sans-serif;font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate);opacity:.6}.back-to-top{position:fixed;right:clamp(1rem,4vw,2rem);bottom:clamp(1rem,4vw,2rem);z-index:110;width:3rem;height:3rem;padding:0;display:grid;place-items:center;border:1px solid rgba(255,255,255,.65);border-radius:50%;background:rgba(255,255,255,.42);color:var(--slate);cursor:pointer;box-shadow:0 10px 28px var(--shadow-soft);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(12px) scale(.94);transition:opacity .45s var(--ease-out-expo),visibility .45s var(--ease-out-expo),transform .45s var(--ease-out-expo),background .35s var(--ease-out-expo),border-color .35s var(--ease-out-expo),box-shadow .35s var(--ease-out-expo),color .35s 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