*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",Arial,sans-serif;background:#f7f6f2;color:#111}a{color:#111}.container{max-width:1100px;margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid #222;background:#f7f6f2;position:sticky;top:0}.nav{min-height:64px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 20px}.brand{font-family:"Times New Roman",serif;font-size:28px;font-weight:700;letter-spacing:1px}.nav nav a{margin-left:20px;text-decoration:none}.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:56px 20px 34px}.kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:#666;margin:0 0 8px}.hero-text h1{font-family:"Times New Roman",serif;font-size:82px;line-height:0.95;margin:0 0 24px}.cn-title{font-size:30px;margin:0 0 10px}.desc{font-size:18px;line-height:1.8;color:#333;max-width:460px}.meta{margin-top:26px;letter-spacing:1px;font-size:13px;color:#555}.hero-cover img{width:100%;border:1px solid #222;display:block}.block{padding:36px 20px;border-top:1px solid #ddd}.block h2{font-family:"Times New Roman",serif;font-size:38px;margin:0 0 12px}.block p{font-size:18px;line-height:1.9;color:#333;max-width:860px}.submit a{font-weight:600}.submit-form input,.submit-form textarea{width:100%;max-width:760px;padding:10px;border:1px solid #999;background:#fff}.submit-form button{padding:10px 18px;border:1px solid #111;background:#111;color:#fff;cursor:pointer}.paper-list{display:grid;gap:16px;margin-top:18px}.paper-item{border:1px solid #ccc;padding:16px;background:#fff}.paper-item h3{margin:0 0 8px;font-size:22px}.site-footer{border-top:1px solid #222;padding:20px 0;margin-top:30px;font-size:14px;color:#555}@media (max-width:900px){.hero{grid-template-columns:1fr}.hero-text h1{font-size:64px}.nav nav a{margin-left:12px}}