body{background:#f4f8ff;color:#10213f}
header{background:#fff;color:#0a3477;border-bottom:1px solid #e2eaf5}
.brand{color:#075ce5}.back{color:#075ce5}
.hero{background:radial-gradient(circle at 85% 30%,#b8dbff 0%,transparent 32%),linear-gradient(130deg,#fafdff,#eaf3ff);color:#0b2451}
.hero small{color:#075ce5}.hero p{color:#5d7392}
.aside,.post{border-color:#e1eaf7;box-shadow:0 20px 45px #0c4c9710}
.aside strong,.aside a:hover,.post .meta{color:#075ce5}
.lead{color:#516b8c}.post p,.post li{color:#536782}
.callout{border-color:#075ce5;background:#f0f7ff;color:#4e6d96}
.disclaimer{border-color:#e0e9f6}
body,button,input,textarea,select{font-family:"Noto Sans CJK SC","Noto Sans SC","Source Han Sans SC","Source Han Sans CN","PingFang SC","Microsoft YaHei",sans-serif}

/* v7.8：中文标题不使用拉丁式负字距，并避免断行后只剩单字 */
h1{letter-spacing:-.015em;line-height:1.22}h2{letter-spacing:-.015em;text-wrap:balance}