/* ================= 全站页头菜单专用CSS ================= */
#mainHeader {
  background-color: #ffffff;
  width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-bottom: 1px solid #e8d8b0;
}

#mainHeader .header-container {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0 12px;
  box-sizing: border-box;
}

#mainHeader .header-container .logo {
  display: flex;
  padding: 14px 0;
  background-color: #ffffff;
}

#mainHeader .header-container .logo img {
  width: 307px;
  height: 107px;
  max-width: none;
  object-fit: contain;
  display: block;
  background-color: transparent;
}

/* ================= 导航条（强限定，不用 !important） ================= */
#mainHeader .nav_s {
  width: 100%;
  background-color: #bd0102;
  border-top: 2px solid #ffb90f;
  border-bottom: 1px solid #ffb90f;
  box-shadow: 0 2px 5px rgba(0,0,0,0.12);
  margin: 0;
  padding: 6px 12px;
  box-sizing: border-box;
  overflow: hidden;
}

/* 专治 fst.css 全局 ul{float:left} 等 */
#mainHeader .nav_s > ul,
#mainHeader .nav_s > ul.nav_menu {
  display: flex !important;          /* 这一处保留 !important，因为老 CSS 对 ul 下毒太深 */
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  row-gap: 4px;
  width: 100%;
  list-style: none;
  margin: 0;
  padding: 0;
  float: none;
  position: static;
}

#mainHeader .nav_s > ul > li {
  display: block;
  float: none;
  margin: 0 1px;
  padding: 0;
  font-size: 16px;
  list-style: none;
}

#mainHeader .nav_s > ul > li > a {
  display: block;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  line-height: 2rem;
  padding: 0 6px;
  margin: 0;
  text-decoration: none;
  background-color: transparent;
  border: none;
  border-radius: 4px;
  white-space: nowrap;
  transition: all 0.2s ease;
}

#mainHeader .nav_s > ul > li > a:hover {
  color: #eeff03;
  background-color: rgba(255,255,255,0.10);
  font-weight: normal;
  text-decoration: none;
}

/* 当前页高亮（首页 = 家国） */
#mainHeader .nav_s > ul > li > a.active {
  background-color: #ffb90f;
  color: #5e0a0a;
  font-weight: bold;
  text-shadow: none;
}

/* ================= 手机端 ================= */
@media (max-width: 600px) {
  #mainHeader .nav_s {
    padding: 6px 4px;
  }
  #mainHeader .nav_s > ul > li {
    width: 14.28%;
    margin: 0;
  }
  #mainHeader .nav_s > ul > li > a {
    padding: 0 2px;
    font-size: 14px;
    line-height: 1.9rem;
    text-align: center;
  }
  #mainHeader .header-container {
    padding: 0 4px;
  }
  #mainHeader .header-container .logo {
    padding: 10px 0;
    justify-content: flex-start;
  }
  #mainHeader .header-container .logo img {
    max-width: 82vw;
    height: auto;
  }
}

/* ================= 百度360搜狗必应搜索专用 ================= */
         /* 容器：宽度按百分比适应，桌面端最大 720px，移动端 100% */
        .comiis_footertop {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: #ffffff;
            padding: 12px 10px;
            border-radius: 10px;
            width: 100%;
            max-width: 720px;
            box-sizing: border-box;
            border: 1px solid #e8e8e8;
        }

        .comiis_footertop form {
            display: flex;
            flex-wrap: nowrap;          /* 保持一行 */
            align-items: center;
            gap: 6px 8px;
            margin: 0;
            width: 100%;
            box-sizing: border-box;
        }

        /* 文本输入框 —— 占用剩余空间，最小可压缩 */
        .comiis_footertop form input[type="text"] {
            flex: 1 1 60px;              /* 可伸缩，最小 60px */
            min-width: 60px;
            padding: 6px 8px;
            border: 1px solid #aaa;
            border-radius: 3px;
            font-size: 14px;
            background-color: #ffffff;
            color: #222;
            transition: border-color 0.15s, box-shadow 0.15s;
            box-sizing: border-box;
            width: auto;
        }

        .comiis_footertop form input[type="text"]:focus {
            border-color: #888;
            outline: none;
            box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.04);
        }

        /* 复选框组 —— 不收缩，保持紧凑 */
        .engine-group {
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
            gap: 8px;
            background: #fafafa;
            padding: 4px 8px;
            border-radius: 20px;
            border: 1px solid #e0e0e0;
            flex-shrink: 0;               /* 不被压缩 */
            white-space: nowrap;
        }

        .engine-group label {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 12px;
            color: #333;
            cursor: pointer;
            user-select: none;
            white-space: nowrap;
        }

        .engine-group input[type="checkbox"] {
            width: 13px;
            height: 13px;
            margin: 0;
            cursor: pointer;
            accent-color: #888;
        }

        /* 按钮 —— 保持原图风格，不收缩 */
        .comiis_footertop form button {
            flex-shrink: 0;
            padding: 6px 12px;
            background: #f2f2f2;
            color: #222222;
            border: 1px solid #d0d0d0;
            border-radius: 3px;
            font-size: 14px;
            font-weight: 400;
            letter-spacing: 1px;
            cursor: pointer;
            transition: background 0.15s, border-color 0.15s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 58px;
            line-height: 1.4;
            white-space: nowrap;
        }

        .comiis_footertop form button:hover {
            background: #e8e8e8;
            border-color: #b8b8b8;
        }

        .comiis_footertop form button:active {
            background: #dedede;
            transform: scale(0.98);
        }

        /* 移动端适配：保持一行，输入框压缩，引擎组变小 */
        @media (max-width: 600px) {
            .comiis_footertop {
                padding: 10px 8px;
            }

            .comiis_footertop form {
                gap: 4px 6px;
            }

            .comiis_footertop form input[type="text"] {
                font-size: 13px;
                padding: 5px 6px;
                flex: 1 1 40px;
                min-width: 40px;
            }

            .engine-group {
                gap: 6px;
                padding: 3px 6px;
                border-radius: 16px;
            }

            .engine-group label {
                font-size: 11px;
                gap: 2px;
            }

            .engine-group input[type="checkbox"] {
                width: 12px;
                height: 12px;
            }

            .comiis_footertop form button {
                padding: 5px 9px;
                font-size: 13px;
                min-width: 48px;
                letter-spacing: 0;
            }
        }

        /* 极窄屏 (<=380px)：进一步压缩，避免溢出 */
        @media (max-width: 380px) {
            .comiis_footertop form {
                gap: 3px 4px;
            }

            .engine-group {
                gap: 4px;
                padding: 2px 4px;
            }

            .engine-group label {
                font-size: 10px;
            }

            .comiis_footertop form input[type="text"] {
                font-size: 12px;
                padding: 4px 5px;
                min-width: 30px;
            }

            .comiis_footertop form button {
                padding: 4px 7px;
                font-size: 12px;
                min-width: 42px;
            }
        }