/* 基础重置 */
* { margin:0; padding:0; box-sizing:border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background: linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%); color:#2c3e50; padding:15px; min-height:100vh; }

/* 容器 */
.container { max-width:1200px; margin:0 auto; background:#fff; border-radius:15px; box-shadow:0 10px 30px rgba(0,0,0,0.1); overflow:hidden; }

/* header/logo */
header { background: linear-gradient(135deg,#ffb347 0%,#ffcc33 100%); color:#333; padding:18px 16px 10px; position:relative; }
.logo-container { text-align:center; margin-bottom:8px; }
.logo { width:304px; height:152px; object-fit:contain; }

/* LOGO 下的导航按钮样式 */
.nav-buttons { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin-bottom:10px; align-items:center; }
.nav-group { display:flex; gap:8px; align-items:center; }
.nav-btn { padding:8px 14px; border-radius:10px; border:none; cursor:pointer; font-weight:700; box-shadow:0 4px 8px rgba(0,0,0,0.08); min-width:64px; text-align:center; line-height:1; font-size:14px; }
.group-1 .nav-btn { background:#0BA6C8; color:#fff; }
.group-2 .nav-btn { background:#F37A70; color:#fff; }
.group-3 .nav-btn { background:#4D6491; color:#fff; }
.nav-btn:hover { transform:translateY(-2px); box-shadow:0 6px 12px rgba(0,0,0,0.12); }
.nav-btn:active { transform:translateY(0); box-shadow:0 3px 6px rgba(0,0,0,0.08); }

/* 移动菜单按钮 */
.mobile-menu-btn { display:none; position:absolute; top:18px; right:18px; background:transparent; border:none; font-size:22px; cursor:pointer; }

/* 搜索容器 */
.search-container { padding:22px 16px; text-align:center; background:#fef9f3; }
.search-box { position:relative; max-width:600px; margin:0 auto 18px; }
.search-input { width:100%; padding:14px 18px 14px 48px; border-radius:50px; border:2px solid #ffcc99; outline:none; background:#fffaf0; font-size:15px; }
.search-icon { position:absolute; left:18px; top:50%; transform:translateY(-50%); color:#ff9933; font-size:18px; }

/* 按钮 */
.button-container { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; }
.btn { padding:12px 22px; border-radius:50px; border:none; cursor:pointer; font-weight:600; box-shadow:0 4px 6px rgba(0,0,0,0.08); }
.btn-search { background:#ff9933; color:#fff; }
.btn-clear { background:#ff7733; color:#fff; }

/* 结果表格 */
.result-container { padding:18px; }
.result-table {
  width:100%;
  border-collapse:separate; 
  border-spacing:0; 
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 3px 10px rgba(0,0,0,0.08);
}
.result-table th, .result-table td { padding:12px 12px; text-align:left; border-bottom:1px solid #eee; vertical-align:middle; }
.result-table th { background:#ff9933; color:#fff; font-weight:600; }
.result-table tr:nth-child(even) { background:#fffaf0; }
.result-table tr:hover { background:#ffe6cc; }

/* PIC 列矩形 */
.pic-cell img, .image-placeholder { border-radius:0; }

/* 无结果提示 */
.no-results { text-align:center; padding:20px; color:#cc6600; font-size:16px; background:#ffe6cc; border-radius:8px; margin-top:12px; }

/* 图片模态 */
.image-modal { position:fixed; top:0; left:0; width:100%; height:100%; display:none; z-index:2000; align-items:center; justify-content:center; }
.image-modal .modal-overlay { position:absolute; inset:0; background:rgba(0,0,0,0.75); z-index:2000; }
.image-modal .modal-box { position:relative; background:#fff; border-radius:10px; padding:16px; max-height:90vh; overflow:auto; width:auto; max-width:95vw; z-index:2010; box-shadow:0 20px 50px rgba(0,0,0,0.5); }
.image-modal .modal-content img { display:block; margin:8px auto; max-width:100%; height:auto; }
.modal-close { position:absolute; right:12px; top:8px; background:transparent; border:none; font-size:28px; cursor:pointer; color:#333; z-index:2020; }

/* 响应式 */
@media (max-width:768px) {
  .mobile-menu-btn { display:block; }
  nav ul { display:none; flex-direction:column; }
  nav ul.show { display:flex; }
  .logo { width:300px; height:150px; }
  .result-table { display:block; overflow-x:auto; }
  .result-table th, .result-table td { padding:10px; font-size:14px; }
}

/* 页脚 */
footer { text-align:center; padding:12px; font-size:14px; color:#555; background: linear-gradient(135deg,#ffb347 0%,#ffcc33 100%); }

/* 用户提示 */
.swipe-hint { display:flex; justify-content:center; align-items:center; gap:8px; border:2px dashed #4D6491; padding:12px 18px; margin:12px auto; border-radius:8px; font-size:15px; color:#4D6491; text-align:center; max-width:320px; }
.swipe-hint i { font-size:18px; color:#4D6491; }