:root{--bg:#f1f9ff;--text:#143954;--light:#41617a;--muted:#5b768b;--accent:#0879cf;--border:#d1e7f7;--serif:'Noto Sans SC','Microsoft YaHei',sans-serif}body{background:linear-gradient(#d3edff,#f1f9ff 70%)}.site-header{margin:22px auto 0;border:1px solid #fff;background:#fffffff0;border-radius:100px;box-shadow:0 12px 35px #286b961a;padding:16px 28px;max-width:1080px}.brand{font-family:Georgia,serif;font-style:italic;font-size:30px}.brand span{font-style:normal;font-size:14px}.intro{padding:85px 0 65px;position:relative}.intro:before{content:'';position:absolute;inset:0 -32px;background:url('../assets/sky-clouds.png') center/cover;border-radius:35px;opacity:.3;z-index:-1}h1{font-weight:700;font-size:clamp(40px,5vw,64px);line-height:1.45}.intro-copy{font-size:17px}.eyebrow{font-size:14px}h2{font-size:28px;font-weight:700}.book-card{border-radius:28px;padding:35px;border:1px solid #fff;box-shadow:0 20px 45px #286b9615;background:#ffffffee}.book-cover{border-radius:18px;border-color:#b9e0fb;background:linear-gradient(160deg,#d9f0ff,#91cbf4);color:#10496f}.book-cover:after{border-color:#7ab8e2}.cover-kicker,.cover-author{font-size:14px}.book-tag{font-size:14px;border-radius:100px;background:#eaf6ff;padding:6px 13px}.book-title{font-weight:700}.book-subtitle,.book-description{font-size:16px}.book-meta{font-size:14px}.read-button{border-radius:100px;padding:14px 24px;background:linear-gradient(#39a8f2,#087acf)}.read-button:hover{background:#0879cf}.library-note,#book-count{font-size:14px}footer{font-size:14px;border-color:#d1e7f7}
@media(max-width:768px){.site-header{margin:12px 14px 0;padding:14px 20px}.intro{padding:55px 0 40px}.book-card{padding:24px}.intro-copy{font-size:16px}.book-cover{min-height:225px}h1{font-size:42px}.brand{font-size:26px}}