.site-announcement{box-sizing:border-box;width:min(560px,calc(100vw - 32px));max-width:calc(100vw - 32px);max-height:calc(100dvh - 40px);margin:auto;padding:0;border:1px solid #dfe7f1;border-radius:12px;background:#fff;color:#071d3a;box-shadow:0 28px 80px rgba(6,26,54,.26);font:15px/1.7 Inter,"Noto Sans SC",system-ui,sans-serif;overflow:hidden}
.site-announcement[open]{display:flex;flex-direction:column}
.site-announcement::backdrop{background:rgba(6,26,54,.42);backdrop-filter:blur(8px)}
.announcement-header{display:flex;align-items:center;gap:14px;padding:22px 24px;border-bottom:1px solid #dfe7f1;background:linear-gradient(115deg,#ecf5ff,#fff);flex-shrink:0}
.announcement-symbol{display:grid;place-items:center;width:46px;height:46px;border:1px solid #d3e6ff;border-radius:10px;background:#fff;color:#1e7df0;flex-shrink:0;font:bold 26px Georgia,serif}
.announcement-heading{min-width:0;flex:1}.announcement-eyebrow{display:block;font-size:18px;font-weight:800;color:#071d3a}.announcement-heading small{display:block;color:#667790;font-size:12px;margin-top:2px}
.site-announcement .announcement-close{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border:1px solid #b7d6ff;border-radius:8px;background:#eef6ff;color:#1e7df0;padding:0;cursor:pointer}.announcement-close svg{width:20px;height:20px}.site-announcement .announcement-close:hover{background:#dcecff}
.announcement-content{padding:24px;min-height:0;overflow:auto;overscroll-behavior:contain}.site-announcement h2{font-size:22px;font-weight:800;line-height:1.5;margin:0 0 16px;overflow-wrap:anywhere}.announcement-body{white-space:pre-wrap;overflow-wrap:anywhere;color:#526580;line-height:1.9}
.site-announcement .announcement-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-shrink:0;padding:18px 24px;margin:0;border-top:1px solid #dfe7f1;background:#f8fbff}.announcement-footer span{font-size:12px;color:#667790}.site-announcement .announcement-confirm{flex-shrink:0;border:0;border-radius:8px;background:#1e7df0;color:#fff;padding:11px 24px;font:inherit;font-weight:700;cursor:pointer;min-height:44px}.site-announcement .announcement-confirm:hover{background:#0f63d8}.site-announcement button:focus-visible{outline:3px solid #83b4ff;outline-offset:2px}
@media(max-width:600px){.announcement-header{padding:16px;gap:10px}.announcement-content{padding:20px 16px}.site-announcement .announcement-footer{padding:16px;flex-wrap:wrap}.site-announcement h2{font-size:20px}.announcement-footer span{flex:1;min-width:130px}}
.announcement-editor{max-width:880px;display:grid;gap:20px}.announcement-editor label{display:grid;gap:8px}.announcement-editor textarea{resize:vertical;min-height:180px;font:inherit;padding:12px;border:1px solid #cdd8e5;border-radius:8px}.announcement-editor .announcement-toggle{display:flex;align-items:center;gap:10px}.announcement-toggle input{width:18px;height:18px}.announcement-editor p{color:#536880}

.announcement-format-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:12px;border:1px solid #dce6f2;border-radius:8px;background:#f5f9ff}.announcement-format-toolbar button{min-height:36px;padding:7px 11px}.announcement-format-toolbar label{display:flex;align-items:center;gap:8px;font-size:13px}.announcement-format-toolbar input[type=color]{width:40px;height:36px;padding:3px;border:1px solid #cad9eb;border-radius:6px;background:#fff;cursor:pointer}.announcement-setting-help{font-size:13px;line-height:1.7;margin:0}.announcement-editor select{max-width:360px;min-height:40px}.announcement-editor [data-announcement-format-status]{font-size:13px;line-height:1.7;margin:0}.announcement-body span{white-space:inherit}.announcement-editor textarea:focus-visible,.announcement-format-toolbar button:focus-visible,.announcement-editor select:focus-visible,.announcement-format-toolbar input:focus-visible{outline:3px solid #83b4ff;outline-offset:2px}
@media(max-width:600px){.announcement-format-toolbar{gap:8px;padding:10px}.announcement-format-toolbar button{font-size:13px}.announcement-editor select{width:100%;max-width:none}}