* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Arial, sans-serif;
        }
        body {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-color: #fff;
            color: #333;
            position: relative;
        }
        /* 顶部导航栏 */
        header {
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            border-bottom: 1px solid #f2f2f2;
            position: sticky;
            top: 0;
            background-color: #fff;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .header-logo {
            font-size: 20px;
            font-weight: bold;
            color: #4d90fe;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            text-decoration: none;
        }
        .header-logo img {
            height: 40px;
        }
        .header-logo .logo-text {
            font-size: 24px;
            font-weight: bold;
            color: #4d90fe;
        }
        /* 桌面端导航菜单 */
        .header-nav {
            display: flex;
            gap: 30px;
        }
        .nav-item {
            font-size: 15px;
            color: #5f6368;
            cursor: pointer;
            text-decoration: none;
            transition: color 0.2s;
        }
        .nav-item:hover {
            color: #4d90fe;
        }
        /* 汉堡菜单按钮：仅移动端显示 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 22px;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger-line {
            width: 100%;
            height: 3px;
            background-color: #5f6368;
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        /* 移动端侧边菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100vh;
            background-color: #fff;
            padding: 70px 20px 20px;
            box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            z-index: 1000;
            overflow-y: auto;
        }
        .mobile-menu.active {
            transform: translateX(0);
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }
        .mobile-nav-item {
            font-size: 16px;
            color: #5f6368;
            text-decoration: none;
            padding: 10px 0;
            border-bottom: 1px solid #f5f5f5;
        }
        .mobile-nav-item:hover {
            color: #4d90fe;
        }
        /* 遮罩层 */
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 999;
            display: none;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .overlay.active {
            display: block;
            opacity: 1;
        }
        /* 主体内容区 */
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 30px 20px 0;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            margin-bottom: 120px;
        }
        /* 搜索核心区域容器 */
        .search-core {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: calc(100vh - 240px);
            margin-bottom: 0;
        }
        .main-logo {
            font-size: 48px;
            font-weight: bold;
            color: #4d90fe;
            letter-spacing: 2px;
            margin-bottom: 20px;
            text-align: center;
            width: 100%;
        }
        .main-logo img {
            height: 80px;
            max-width: 100%;
            display: block;
            margin: 0 auto;
        }
        /* 搜索框容器 */
        .search-container {
            width: 100%;
            max-width: 600px;
            position: relative;
            margin-bottom: 30px;
            margin-left: auto;
            margin-right: auto;
        }
        .search-input {
            width: 100%;
            height: 54px;
            padding: 0 130px 0 20px;
            border: 1px solid #dcdcdc;
            border-radius: 27px;
            font-size: 18px;
            outline: none;
            transition: border-color 0.3s, box-shadow 0.3s;
            autocomplete: off;
        }
        .search-input:focus {
            border-color: #4d90fe;
            box-shadow: 0 0 5px rgba(77, 144, 254, 0.2);
        }
        .search-btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            width: 120px;
            height: 44px;
            background-color: #4d90fe;
            color: #fff;
            border: none;
            border-radius: 22px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background-color: #357ae8;
        }
        /* 联想提示框 */
        .suggest-box {
            position: absolute;
            top: 60px;
            left: 0;
            width: 100%;
            max-height: 250px;
            overflow-y: auto;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 999;
            display: none;
        }
        .suggest-item {
            padding: 12px 20px;
            font-size: 16px;
            color: #202124;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .suggest-item.city {
            font-weight: 500;
        }
        .suggest-item.district {
            padding-left: 30px;
            color: #666;
            font-size: 15px;
        }
        .suggest-item:hover {
            background-color: #f5f5f5;
        }

        /* ========== 热门城市极简样式 ========== */
        .hot-cities {
            width: 100%;
            max-width: 600px;
            margin-top: 10px;
            padding: 0; /* 移除所有内边距 */
            margin-left: auto;
            margin-right: auto;
            background: none; /* 去掉背景色 */
            border-radius: 0; /* 去掉圆角 */
            box-shadow: none; /* 去掉阴影 */
        }
        .hot-cities-title {
            font-size: 14px; /* 恢复原始字号 */
            color: #9aa0a6; /* 恢复浅灰色标题 */
            margin-bottom: 12px;
            padding-left: 5px;
            font-weight: normal; /* 去掉加粗 */
            display: block; /* 去掉flex布局 */
        }
        /* 去掉标题前的装饰线 */
        .hot-cities-title::before {
            content: none;
        }
        .cities-list {
            display: flex;
            gap: 12px; /* 恢复原始间距 */
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: none;
            padding-left: 0; /* 去掉左右内边距 */
            padding-right: 0;
        }
        .cities-list::-webkit-scrollbar {
            display: none;
        }
        /* 极简城市标签样式 */
        .city-tag {
            padding: 8px 16px; /* 恢复基础内边距 */
            background-color: #f5f5f5; /* 基础浅灰背景 */
            color: #202124; /* 基础文字色 */
            border-radius: 16px; /* 基础圆角 */
            font-size: 15px;
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s; /* 简洁过渡 */
            border: none; /* 去掉边框 */
            box-shadow: none; /* 去掉阴影 */
        }
        /* 极简hover效果 */
        .city-tag:hover {
            background-color: #e8f0fe; /* 浅蓝背景 */
            color: #4d90fe; /* 主色调文字 */
            transform: none; /* 去掉上浮效果 */
            box-shadow: none; /* 去掉阴影 */
        }
        /* 去掉active效果 */
        .city-tag:active {
            transform: none;
        }

        /* 友情链接+版权区 容器 */
        .bottom-container {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background-color: #fff;
            border-top: 1px solid #f2f2f2;
        }
        /* 友情链接板块 */
        .friend-links {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 8px 15px;
            border-bottom: none;
        }
        .links-title {
            font-size: 15px;
            color: #333;
            margin-bottom: 5px;
            font-weight: 500;
        }
        .links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .link-item {
            font-size: 12px;
            color: #5f6368;
            text-decoration: none;
            transition: all 0.2s;
            padding: 2px 6px;
            border-radius: 4px;
        }
        .link-item:hover {
            color: #4d90fe;
            background-color: #f0f7ff;
        }
        /* 底部版权区 */
        footer {
            padding: 8px 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: #9aa0a6;
            border-top: 1px solid #f2f2f2;
            margin-top: 0;
            width: 100%;
        }
        .copyright {
            margin-bottom: 2px;
        }
        .footer-info {
            font-size: 11px;
            color: #b0b7c3;
            text-align: center;
            padding: 0 10px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            header {
                height: 50px;
                padding: 0 15px;
            }
            .header-logo {
                font-size: 18px;
                gap: 5px;
            }
            .header-logo .logo-text {
                font-size: 18px;
            }
            .header-logo img {
                height: 30px;
            }
            .header-nav {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            main {
                padding: 20px 15px 0;
                margin-bottom: 110px;
                justify-content: center;
                align-items: center;
            }
            .search-core {
                min-height: calc(100vh - 200px);
                margin-bottom: 0;
                justify-content: center;
                align-items: center;
                width: 100%;
            }
            .main-logo {
                font-size: 36px;
                margin-bottom: 20px;
                text-align: center;
                width: 100%;
            }
            .main-logo img {
                height: 60px;
                margin: 0 auto;
            }
            .search-container {
                width: 90%;
                margin-left: auto;
                margin-right: auto;
            }
            .search-input {
                height: 48px;
                font-size: 16px;
                padding: 0 110px 0 15px;
            }
            .search-btn {
                width: 100px;
                height: 40px;
                font-size: 15px;
            }
            .suggest-item {
                padding: 10px 15px;
            }
            .suggest-item.district {
                padding-left: 25px;
                font-size: 14px;
            }
            /* 手机端极简热门城市适配 */
            .hot-cities {
                width: 90%;
                margin-left: auto;
                margin-right: auto;
            }
            .hot-cities-title {
                font-size: 13px;
                margin-bottom: 12px;
            }
            .city-tag {
                padding: 6px 14px;
                font-size: 14px;
            }
            .friend-links {
                padding: 6px 15px;
            }
            .links-title {
                font-size: 14px;
                margin-bottom: 3px;
            }
            .links-list {
                gap: 6px;
            }
            .link-item {
                font-size: 11px;
                padding: 1px 5px;
            }
            footer {
                padding: 6px 0;
                font-size: 11px;
            }
            .copyright {
                margin-bottom: 1px;
            }
            .footer-info {
                font-size: 10px;
            }
        }

        /* 小屏手机适配 */
        @media (max-width: 480px) {
            .mobile-menu {
                width: 250px;
            }
            .search-input {
                height: 44px;
            }
            .search-btn {
                width: 90px;
                height: 36px;
                font-size: 14px;
            }
            .main-logo img {
                height: 50px;
            }
            main {
                margin-bottom: 100px;
            }
            .city-tag {
                padding: 7px 14px;
                font-size: 13px;
            }
        }

        /* PC端布局 */
        @media (min-width: 769px) {
            .bottom-container {
                position: static;
                border-top: none;
            }
            main {
                margin-bottom: 0;
            }
            .friend-links {
                padding: 15px 20px;
                border-top: 1px solid #f2f2f2;
                margin-bottom: 5px;
            }
            .links-title {
                font-size: 18px;
                margin-bottom: 12px;
            }
            .links-list {
                gap: 15px;
            }
            .link-item {
                font-size: 14px;
                padding: 5px 10px;
            }
            footer {
                padding: 15px 0;
                font-size: 14px;
            }
            .copyright {
                margin-bottom: 5px;
            }
            .footer-info {
                font-size: 13px;
            }
        }