:root{--ink:#132437;--muted:#5f7080;--line:#dce6ee;--bg:#f5f8fb;--panel:#fff;--navy:#10283f;--blue:#2e7bc4;--sky:#eaf4ff;--orange:#f08a4b;--yellow:#f0c85b;--shadow:0 18px 45px rgba(16,40,63,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.skip{position:fixed;left:12px;top:-80px;z-index:200;background:#fff;padding:8px 12px;border-radius:8px}.skip:focus{top:12px}.notice{height:30px;background:var(--navy);color:#eaf4ff;font-size:12px}.notice-in{height:100%;display:flex;align-items:center;justify-content:space-between}.notice button,.head-actions button{border:0;background:transparent;color:inherit;cursor:pointer}.site-head{height:74px;background:#fff;border-bottom:1px solid 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