.home{margin:0;background:#f3f7fa;color:#173b50;font-family:"Microsoft JhengHei",sans-serif}.home .topbar{display:flex;justify-content:space-between;align-items:center;position:relative;padding:18px 28px;gap:18px;border-bottom:1px solid #cbdfe9}.home-main{max-width:1080px;margin:42px auto;padding:0 24px}.notice{background:#fff;border:1px solid #d1e1eb;border-top:4px solid #356a87;border-radius:12px;padding:32px 36px;margin-bottom:36px;box-shadow:0 8px 24px #173b5006}.eyebrow{font-size:12px;letter-spacing:2px;color:#5d8097}.notice h1{font-size:26px;margin:14px 0;overflow-wrap:anywhere}.notice-time,.tools-hint{font-size:14px;color:#60798a}.notice-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:16px;line-height:1.9;min-height:52px;margin-bottom:0}.home h2{font-size:21px;margin-bottom:8px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}.tool-grid a{display:flex;flex-direction:column;gap:16px;padding:24px;border:1px solid #d1e1eb;background:white;border-radius:10px;color:#173b50;text-decoration:none;transition:border-color .15s,transform .15s}.tool-grid a:hover{border-color:#356a87;transform:translateY(-2px)}.tool-grid a:focus-visible{outline:3px solid #356a87;outline-offset:3px}.tool-grid span{color:#7096ad;font-size:13px}.tool-grid strong{font-size:17px}.tool-grid small{font-size:13px;color:#52788e}.home-footer{text-align:center;color:#7690a0;font-size:12px;margin:38px 0}.announcement-editor{display:grid;gap:14px}.announcement-editor input,.announcement-editor textarea{box-sizing:border-box;width:100%;padding:12px;border:1px solid #b8cbd9;border-radius:6px;font:inherit}.announcement-editor textarea{resize:vertical;min-height:180px}.announcement-editor button{justify-self:start}.announcement-editor label{display:grid;gap:8px}@media(max-width:760px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home .topbar{padding:16px}.notice{padding:24px}.home-main{margin-top:24px;padding:0 16px}}@media(max-width:480px){.tool-grid{grid-template-columns:1fr}.notice h1{font-size:23px}}