/* 百草工具箱 · 共享样式 v1 */
:root{--green:#0F766E;--green-dark:#0e6a63;--green-bg:#f0fdfa;--gray-bg:#f5f7f7;--gray-border:#e0e0e0;--gray-text:#999;--radius:12px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--gray-bg);color:#1a1a1a;min-height:100vh;padding-top:52px}
nav{position:fixed;top:0;left:0;right:0;background:var(--green);color:#fff;padding:12px 20px;display:flex;align-items:center;gap:16px;z-index:100;box-shadow:0 2px 8px rgba(15,118,110,0.3);height:52px}
nav a{color:#fff;text-decoration:none;font-size:15px;display:flex;align-items:center;gap:4px}
nav a:hover{opacity:.8}
nav .brand{font-weight:600;font-size:16px}
.ad-banner{max-width:728px;margin:16px auto;height:90px;background:#e8f0ee;border:2px dashed var(--green);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--green);font-size:14px;opacity:.7}
.container{max-width:700px;margin:0 auto;padding:0 20px 40px}
.card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:0 1px 4px rgba(0,0,0,.06)}
h1{font-size:22px;margin-bottom:16px;color:var(--green)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 24px;border:none;border-radius:8px;font-size:15px;cursor:pointer;font-weight:500;transition:all .2s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-primary:disabled{background:#ccc;cursor:not-allowed}
.btn-outline{background:transparent;border:2px solid var(--gray-border);color:#555}
.btn-outline:hover{background:#f0f0f0}
input,textarea,select{font-family:inherit}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--green)}
@media(max-width:600px){.container{padding:0 12px 24px}.card{padding:16px}}