*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,"Microsoft YaHei",sans-serif;background:#f4f5f9;color:#111}
.login{min-height:100vh;background:linear-gradient(135deg,#b71c1c,#d62828);display:flex;align-items:center;justify-content:center}
.login-card{width:420px;background:#fff;border-radius:28px;padding:36px}.login-card h1{font-size:32px}.login-card p{color:#777;margin:10px 0 24px}
input,textarea,select{width:100%;padding:13px;margin:8px 0 16px;border:1px solid #ddd;border-radius:10px;font-size:15px}
textarea{height:92px;resize:none}button{border:0;background:#c62828;color:#fff;border-radius:10px;padding:12px 20px;font-weight:bold;cursor:pointer}.dark{background:#222}.ghost{background:#eee;color:#222}
.admin{display:none}.top{height:64px;background:#b71c1c;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.top b{font-size:22px}
.wrap{display:flex;min-height:calc(100vh - 64px)}.side{width:230px;background:#fff;border-right:1px solid #eee}.side button{width:100%;background:#fff;color:#111;border:0;border-bottom:1px solid #eee;border-radius:0;text-align:left;padding:18px 20px;font-size:17px}.side button.active{background:#fff0f0;color:#b71c1c}
.main{flex:1;padding:28px}.panel{display:none;background:#fff;border-radius:20px;padding:26px;box-shadow:0 8px 24px rgba(0,0,0,.06)}.panel.active{display:block}
h2{font-size:28px;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.stat{background:#fff;border-radius:18px;padding:18px;box-shadow:0 8px 24px rgba(0,0,0,.06)}.stat b{display:block;font-size:26px;color:#c62828;margin-top:10px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.preview{width:180px;height:100px;border-radius:12px;background:#eee;object-fit:cover;display:block;margin:8px 0 16px}
.item{border:1px solid #eee;border-radius:14px;padding:14px;margin:12px 0;display:flex;gap:12px;justify-content:space-between;align-items:center}.item img{width:96px;height:60px;border-radius:10px;object-fit:cover;background:#eee}.item p{color:#777;margin-top:5px}.actions button{margin-left:6px;padding:8px 12px}
.badge{display:inline-block;background:#111;color:#fff;border-radius:999px;padding:4px 10px;font-size:12px}