* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
            tap-highlight-color: transparent;
        }

        body {
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }

        .navbar:hover,
        .navbar.search-active {
            background: rgba(255, 255, 255, 1);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-left: 24px;
            padding-right: 0;
            height: 62px;
            width: 100%;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
            position: relative;
            flex: 1;
            min-width: 0;
        }

        .nav-scroll-container {
            position: relative;
            display: flex;
            align-items: center;
            flex: 1;
            min-width: 0;
            overflow: hidden;
        }

        .nav-scroll-btn {
            position: absolute;
            top: 0;
            height: 100%;
            width: 8px;
            z-index: 10;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
        }

        .nav-scroll-btn.show {
            opacity: 1;
            visibility: visible;
        }

        .nav-scroll-btn-left {
            left: 0;
            background: linear-gradient(to right, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0));
        }

        .nav-scroll-btn-right {
            right: 0;
            background: linear-gradient(to left, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0));
        }

        .nav-scroll-btn::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 4px;
            height: 4px;
            border-right: 1px solid #666;
            border-bottom: 1px solid #666;
        }

        .nav-scroll-btn-left::after {
            transform: translate(-30%, -50%) rotate(135deg);
        }

        .nav-scroll-btn-right::after {
            transform: translate(-70%, -50%) rotate(-45deg);
        }

        .nav-scroll-btn:hover {
            background: linear-gradient(to right, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.1));
        }

        .nav-scroll-btn-right:hover {
            background: linear-gradient(to left, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.1));
        }

        .navbar:hover .nav-scroll-btn-left {
            background: linear-gradient(to right, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
        }

        .navbar:hover .nav-scroll-btn-right {
            background: linear-gradient(to left, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0));
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .logo img {
            height: 45px;
            width: auto;
            max-width: 200px;
            object-fit: contain;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            transition: transform 0.3s ease;
            white-space: nowrap;
            flex-shrink: 0;
            padding: 0;
            margin: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-dropdown {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            transform: translateY(-15px);
            width: 100%;
            max-height: 50vh;
            overflow-y: auto;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid rgba(0, 0, 0, 0.08);
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            opacity: 0;
            visibility: hidden;
            transition: all 0.2s ease;
            z-index: 999;
        }

        /* 隐藏式滚动条样式 */
        .nav-dropdown::-webkit-scrollbar {
            width: 6px;
        }

        .nav-dropdown::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }

        .nav-dropdown::-webkit-scrollbar-thumb {
            background: transparent;
            border-radius: 3px;
            transition: background 0.3s ease;
        }

        .nav-dropdown:hover::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(0, 0, 0, 0.1);
        }

        .nav-dropdown::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.8);
        }

        /* Firefox隐藏式滚动条样式 */
        .nav-dropdown {
            scrollbar-width: thin;
            scrollbar-color: transparent transparent;
        }

        .nav-dropdown:hover {
            scrollbar-color: rgba(255, 255, 255, 0.6) transparent;
        }

        .nav-item:hover .nav-dropdown,
        .nav-dropdown:hover {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-item:hover .nav-link {
            color: #165dff;
        }

        .nav-item:hover .nav-link::after {
            opacity: 1;
            transform: rotate(-135deg);
        }



        .nav-dropdown-container {
            max-width: 100%;
            margin: 0 auto;
            padding: 25px 20px;
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 32px;
            align-items: start;
            min-height: auto;
            overflow: hidden;
        }

        .nav-dropdown-intro {
            background: linear-gradient(135deg, rgba(26, 115, 232, 0.08) 0%, rgba(26, 115, 232, 0.03) 100%);
            border-radius: 12px;
            padding: 18px 14px;
            margin: 0;
            position: relative;
            height: auto;
            word-wrap: break-word;
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
            width: 100%;
            max-width: 100%;
            min-width: 0;
            box-sizing: border-box;
            overflow: hidden;
        }





        .nav-dropdown-intro::after {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 60px;
            height: 60px;
            background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .nav-dropdown-intro h3 {
            font-size: 16px;
            font-weight: 700;
            color: #165dff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            word-wrap: break-word;
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
            width: 100%;
            max-width: 100%;
        }

        .nav-dropdown-intro p {
            color: #555;
            line-height: 1.5;
            margin-bottom: 10px;
            font-size: 13px;
            position: relative;
            z-index: 1;
            word-wrap: break-word;
            word-break: break-word;
            overflow-wrap: break-word;
            white-space: normal;
            width: 100%;
            max-width: 100%;
        }



        .nav-dropdown-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-right: 0;
        }

        .nav-dropdown-section {
            background: transparent;
        }

        .nav-dropdown-title {
            font-size: 16px;
            font-weight: 600;
            color: #165dff;
            margin-bottom: 20px;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(26, 115, 232, 0.1);
        }

        .nav-dropdown-item {
            display: block;
            padding: 12px 0;
            color: #333;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .nav-dropdown-item:hover {
            color: #165dff;
        }

        .nav-dropdown-item-title {
            font-weight: 500;
            margin-bottom: 4px;
        }

        .nav-dropdown-item-desc {
            font-size: 12px;
            color: #666;
            line-height: 1.4;
        }

        .nav-item-hot::after {
            content: 'HOT';
            background: #ff4757;
            color: white;
            font-size: 10px;
            padding: 2px 6px;
            border-radius: 2px;
            margin-left: 8px;
            font-weight: 500;
        }

        .nav-item-new::after {
            content: 'NEW';
            background: #2ed573;
            color: white;
            font-size: 10px;
            padding: 2px 6px;
            border-radius: 2px;
            margin-left: 8px;
            font-weight: 500;
        }

        .nav-link {
            color: #333;
            text-decoration: none;
            font-size: 15px;
            font-weight: 400;
            padding: 8px 0;
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link:hover {
            color: #165dff;
        }

        .nav-link::after {
            content: '';
            width: 4px;
            height: 4px;
            border-right: 1px solid currentColor;
            border-bottom: 1px solid currentColor;
            transform: rotate(45deg);
            transition: transform 0.3s ease;
            opacity: 0.6;
            flex-shrink: 0;
            margin-top: -1px;
        }

        .nav-link:hover::after {
            opacity: 1;
        }



        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 100%;
        }

        .search-box {
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
        }

        .search-icon {
            position: absolute;
            left: 16px;
            width: 16px;
            height: 16px;
            opacity: 0.6;
            pointer-events: none;
            z-index: 1;
        }

        .search-dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            width: 240px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgb(0 0 0 / 8%);
            border-top: none;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1002;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .search-dropdown.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .search-box.expanded .search-dropdown.show {
            width: 360px;
        }

        .search-dropdown-header {
            padding: 16px 20px 8px;
            font-size: 13px;
            color: #666;
            font-weight: 500;
        }

        .search-hot-item {
            padding: 8px 20px;
            color: #333;
            text-decoration: none;
            display: block;
            font-size: 14px;
            transition: background-color 0.2s ease;
        }

        .search-hot-item:hover {
            background: rgba(26, 115, 232, 0.05);
            color: #165dff;
        }

        .search-results {
            max-height: 300px;
            overflow-y: auto;
        }

        .search-results-list {
            max-height: 250px;
            overflow-y: auto;
        }

        /* 搜索结果滚动条样式 */
        .search-results::-webkit-scrollbar,
        .search-results-list::-webkit-scrollbar {
            width: 6px;
        }

        .search-results::-webkit-scrollbar-track,
        .search-results-list::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }

        .search-results::-webkit-scrollbar-thumb,
        .search-results-list::-webkit-scrollbar-thumb {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 3px;
            transition: background 0.3s ease;
        }

        .search-results::-webkit-scrollbar-thumb:hover,
        .search-results-list::-webkit-scrollbar-thumb:hover {
            background: rgba(0, 0, 0, 0.3);
        }

        /* Firefox滚动条样式 */
        .search-results,
        .search-results-list {
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
        }

        .search-result-item {
            padding: 10px 20px;
            color: #333;
            text-decoration: none;
            display: block;
            font-size: 14px;
            transition: background-color 0.2s ease;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            cursor: pointer;
        }

        .search-result-item:hover {
            background: rgba(26, 115, 232, 0.05);
            color: #165dff;
        }

        .search-result-title {
            font-weight: 500;
            margin-bottom: 2px;
        }

        .search-result-category {
            font-size: 12px;
            color: #666;
            opacity: 0.8;
        }

        .search-loading {
            padding: 20px;
            text-align: center;
            color: #666;
            font-size: 14px;
        }

        .search-loading::after {
            content: '';
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(26, 115, 232, 0.2);
            border-top: 2px solid #165dff;
            border-radius: 50%;
            animation: search-spin 1s linear infinite;
            margin-left: 8px;
            vertical-align: middle;
        }

        @keyframes search-spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .no-results-text {
            padding: 20px;
            text-align: center;
            color: #666;
            font-size: 14px;
        }

        .search-input {
            width: 240px;
            height: 100%;
            padding: 0 16px 0 44px;
            border: 1px solid rgb(0 0 0 / 4%);
            border-radius: 0;
            background: rgba(255, 255, 255, 0);
            -webkit-backdrop-filter: blur(10px);
            font-size: 14px;
            font-family: inherit;
            outline: none;
            transition: width 0.3s ease;
            color: rgba(51, 51, 51, 0.8);
        }

        .search-input.expanded {
            width: 360px;
        }

        .search-input::placeholder {
            color: rgba(153, 153, 153, 0.8);
        }

        .search-input:focus {
            background: rgba(255, 255, 255, 0);
            box-shadow: 0 2px 8px rgba(26, 115, 232, 0.2);
            color: #333;
        }

        .search-input:focus::placeholder {
            color: #999;
        }

        .nav-right-link {
            color: #333;
            text-decoration: none;
            font-size: 15px;
            font-weight: 400;
            padding: 8px 16px;
            transition: all 0.3s ease;
            border-radius: 6px;
        }

        .nav-right-link:hover {
            color: #165dff;
            background: rgba(26, 115, 232, 0.1);
        }

        .nav-plain-link {
            color: #333;
            text-decoration: none;
            font-size: 15px;
            font-weight: 400;
            padding: 8px 16px;
            transition: none;
            border-radius: 6px;
        }

        .register-btn {
            background: #165dff;
            color: white !important;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            border-radius: 0;
            font-weight: 500;
        }

        .register-btn:hover {
            background: #4080ff;
        }

        /* 移动端登录/注册按钮 */
        .mobile-auth-btn {
            display: none;
            background: #165dff;
            color: white;
            border: none;
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(22, 93, 255, 0.3);
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        .mobile-auth-btn:hover {
            background: #4080ff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(22, 93, 255, 0.4);
        }

        .mobile-auth-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(22, 93, 255, 0.3);
        }

        /* 用户下拉菜单样式 */
        .user-dropdown {
            position: relative;
            display: inline-block;
            margin-right: 10px;
        }

        .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #ebf1ff;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1759dd;
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
        }

        .user-dropdown-menu {
            position: absolute;
            top: 100%;
            right: 0;
            width: 250px;
            padding: 5px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1003;
            margin-top: 8px;
        }

        .user-dropdown-menu.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .user-dropdown-header {
            padding: 16px 12px 12px 12px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .user-dropdown-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #ebf1ff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1759dd;
            font-weight: 600;
            font-size: 18px;
            text-transform: uppercase;
            flex-shrink: 0;
        }

        .user-dropdown-info {
            flex: 1;
            min-width: 0;
            margin-top: 2px;
        }

        .user-dropdown-name-row {
            display: flex;
            align-items: center;
            margin-bottom: 4px;
        }

        .user-dropdown-name {
            font-weight: 500;
            font-size: 16px;
            color: #333;
            word-break: break-word;
            flex: 1;
            min-width: 0;
            line-height: 1.3;
        }

        .user-dropdown-copy-btn {
            width: 20px;
            height: 20px;
            border: none;
            background: transparent;
            cursor: pointer;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
            padding: 0;
        }



        .user-dropdown-copy-btn svg {
            width: 14px;
            height: 14px;
            fill: #666;
            transition: fill 0.2s ease;
        }



        .user-dropdown-id {
            font-size: 12px;
            color: #666;
            cursor: pointer;
            padding: 2px 6px;
            border-radius: 4px;
            transition: background-color 0.2s ease;
            display: inline-block;
            white-space: nowrap;
        }

        .user-dropdown-id:hover {
            background: rgba(26, 115, 232, 0.1);
            color: #165dff;
        }

        .user-dropdown-status {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
        }

        .user-dropdown-info-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }

        .status-verified {
            color: #28a745;
        }

        .status-unverified {
            color: #ffc107;
        }

        .status-pending {
            color: #17a2b8;
        }

        .status-rejected {
            color: #dc3545;
        }

        .status-icon {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 2px;
            position: relative;
            flex-shrink: 0;
        }

        .status-verified .status-icon {
            background: #28a745;
        }

        .status-verified .status-icon::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 3px;
            height: 6px;
            border: solid white;
            border-width: 0 1.5px 1.5px 0;
            transform: translate(-50%, -60%) rotate(45deg);
        }

        .status-unverified .status-icon {
            background: #ffc107;
        }

        .status-pending .status-icon {
            background: #17a2b8;
        }

        .status-rejected .status-icon {
            background: #dc3545;
        }

        .user-dropdown-item {
            display: block;
            padding: 10px 12px;
            color: #333;
            text-decoration: none;
            font-size: 14px;
            transition: background-color 0.2s ease;
            border-radius: 4px;
            margin: 2px 4px;
        }

        .user-dropdown-item:hover {
            background: #f6f8fa;
        }

        .user-dropdown-item:last-child {
            border-radius: 5px;
        }

        .user-dropdown-icon {
            width: 16px;
            height: 16px;
            opacity: 0.7;
            flex-shrink: 0;
        }

        .user-dropdown-divider {
            height: 0.5px;
            background: rgba(0, 0, 0, 0.05);
            margin: 6px auto;
            width: 90%;
        }

        .user-dropdown-logout {
            color: #42464e !important;
            border: 1px solid #dde2e9;
            border-radius: 4px;
            margin: 8px 4px 4px 4px;
            padding: 8px 12px;
            font-size: 13px;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            transform: translateY(0);
        }

        .user-dropdown-logout:hover {
            background: #f6f8fa !important;
            border-color: #1664ff !important;
            color: #1664ff !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(22, 100, 255, 0.15);
        }

        .user-dropdown-logout:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(22, 100, 255, 0.1);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-container {
                padding-left: 16px;
                padding-right: 0;
                justify-content: space-between;
            }

            .nav-container {
                height: 50px;
            }

            .nav-menu {
                gap: 16px;
            }

            .nav-link {
                font-size: 14px;
            }

            .search-input {
                width: 180px;
            }

            .nav-right {
                gap: 12px;
            }

            .nav-dropdown-container {
                padding: 20px 16px;
                grid-template-columns: 1fr;
                gap: 20px;
                max-width: none;
                margin: 0;
                overflow: visible;
            }

            .nav-dropdown-intro {
                padding: 20px 16px;
                margin: 0 0 20px 0;
                border-radius: 8px;
                height: auto;
                word-wrap: break-word;
                word-break: break-word;
                overflow-wrap: break-word;
                white-space: normal;
                max-width: 100%;
            }





            .nav-dropdown-content {
                grid-template-columns: 1fr;
                gap: 20px;
                margin: 0;
            }

            .nav-dropdown {
                width: 100vw;
                max-height: 70vh;
            }
        }

        @media (max-width: 640px) {
            .nav-menu {
                display: none;
            }

            .search-input {
                display: none;
            }

            .search-box {
                display: none;
            }

            .nav-plain-link {
                display: none !important;
            }

            .register-btn {
                display: none !important;
            }

            .nav-dropdown {
                display: none;
            }

            .nav-right {
                display: flex;
                align-items: center;
                gap: 10px;
            }

            /* 移动端显示登录/注册按钮 */
            .mobile-auth-btn {
                display: flex;
                align-items: center;
            }

            /* 移动端隐藏用户下拉菜单 */
            .user-dropdown {
                display: none !important;
            }

            /* 移动端汉堡菜单 */
            .mobile-menu-btn {
                display: flex;
                flex-direction: column;
                justify-content: center;
                align-items: center;
                width: 30px;
                height: 30px;
                background: none;
                border: none;
                cursor: pointer;
                padding: 0;
            }

            .mobile-menu-btn span {
                display: block;
                width: 20px;
                height: 2px;
                background: #333;
                margin: 2px 0;
                transition: all 0.3s ease;
                border-radius: 1px;
            }

            .mobile-menu-btn.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }

            .mobile-menu-btn.active span:nth-child(2) {
                opacity: 0;
            }

            .mobile-menu-btn.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }

            /* 移动端搜索按钮 */
            .mobile-search-btn {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 30px;
                height: 30px;
                background: none;
                border: none;
                cursor: pointer;
                padding: 0;
            }

            .mobile-search-btn svg {
                width: 18px;
                height: 18px;
                stroke: #333;
            }

            /* 移动端侧边栏 */
            .mobile-sidebar {
                position: fixed;
                top: 0;
                left: -100%;
                width: 100%;
                height: 100vh;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                z-index: 1000;
                transition: left 0.3s ease;
                display: flex;
                flex-direction: column;
            }

            .mobile-sidebar-header {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 50px;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(0, 0, 0, 0.1);
                padding: 0;
                margin: 0;
                display: flex;
                align-items: center;
                gap: 0;
                z-index: 1001;
            }

            .mobile-header-search-box {
                flex: 1;
                height: 100%;
                position: relative;
                display: flex;
                align-items: center;
            }

            .mobile-header-search-icon {
                position: absolute;
                left: 16px;
                width: 16px;
                height: 16px;
                opacity: 0.6;
                pointer-events: none;
                z-index: 1;
            }

            .mobile-header-search {
                width: 100%;
                height: 100%;
                padding: 0 16px 0 44px;
                border: none;
                border-radius: 0;
                background: rgba(255, 255, 255, 0.8);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                font-size: 16px;
                outline: none;
                color: rgba(51, 51, 51, 0.8);
                font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
                transition: all 0.3s ease;
            }

            .mobile-header-search::placeholder {
                color: rgba(51, 51, 51, 0.8);
            }

            .mobile-header-search:focus {
                background: rgba(255, 255, 255, 1);
                border-color: transparent;
                box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
                color: #333;
            }

            .mobile-header-close {
                width: 60px;
                height: 100%;
                background: #165dff;
                border: none;
                border-radius: 0;
                cursor: pointer;
                display: flex;
                align-items: center;
                justify-content: center;
                position: relative;
                color: white;
                font-weight: 500;
                font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
                transition: all 0.3s ease;
            }

            .mobile-header-close:hover {
                background: #4080ff;
            }

            .mobile-header-close::before,
            .mobile-header-close::after {
                content: '';
                position: absolute;
                width: 16px;
                height: 2px;
                background: white;
                border-radius: 1px;
            }

            .mobile-header-close::before {
                transform: rotate(45deg);
            }

            .mobile-header-close::after {
                transform: rotate(-45deg);
            }

            .mobile-sidebar.active {
                left: 0;
            }

            .mobile-sidebar-content {
                display: flex;
                width: 100%;
                height: 100%;
            }

            .mobile-nav-left {
                width: 30%;
                background: rgba(240, 244, 248, 0.8);
                padding: 70px 0 20px 0;
                border-right: 1px solid rgba(0, 0, 0, 0.1);
            }

            .mobile-nav-item {
                display: block;
                padding: 10px 15px;
                color: #333;
                text-decoration: none;
                font-size: 14px;
                font-weight: 600;
                font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
                text-align: right;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
                transition: all 0.3s ease;
                position: relative;
                transform: translateX(0);
            }

            .mobile-nav-item:hover,
            .mobile-nav-item.active {
                background: rgba(26, 115, 232, 0.1);
                color: #165dff;
                transform: translateX(-5px);
            }

            .mobile-nav-item.active::after {
                content: '';
                position: absolute;
                right: 0;
                top: 0;
                width: 3px;
                height: 100%;
                background: #165dff;
                transform: scaleY(1);
                transition: transform 0.3s ease;
            }

            .mobile-nav-item:not(.active)::after {
                content: '';
                position: absolute;
                right: 0;
                top: 0;
                width: 3px;
                height: 100%;
                background: #165dff;
                transform: scaleY(0);
                transition: transform 0.3s ease;
            }

            .mobile-nav-right {
                flex: 1;
                padding: 70px 0 20px 0;
                overflow-y: auto;
                position: relative;
            }

            .mobile-nav-right::-webkit-scrollbar {
                width: 4px;
            }

            .mobile-nav-right::-webkit-scrollbar-track {
                background: transparent;
            }

            .mobile-nav-right::-webkit-scrollbar-thumb {
                background: rgba(0, 0, 0, 0.2);
                border-radius: 2px;
            }

            .mobile-content-section {
                display: block;
                opacity: 0;
                transform: translateY(20px);
                transition: all 0.3s ease;
                visibility: hidden;
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                padding: 0 10px;
                width: 100%;
                box-sizing: border-box;
            }

            .mobile-content-section.active {
                opacity: 1;
                transform: translateY(0);
                visibility: visible;
                position: static;
                padding: 0 10px;
                width: 100%;
                box-sizing: border-box;
            }



            .mobile-section-group {
                margin-bottom: 12px;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
                padding: 0;
            }

            .mobile-section-group h4 {
                font-size: 14px;
                font-weight: 600;
                color: #666;
                margin: 0;
                padding: 12px 20px;
                cursor: pointer;
                position: relative;
                transition: all 0.3s ease;
                display: flex;
                align-items: center;
                justify-content: space-between;
                user-select: none;
            }

            .mobile-section-group h4:hover {
                color: #165dff;
            }

            .mobile-section-group h4::after {
                content: '';
                width: 6px;
                height: 6px;
                border-right: 1.5px solid currentColor;
                border-bottom: 1.5px solid currentColor;
                transform: rotate(45deg);
                transition: transform 0.3s ease;
                flex-shrink: 0;
            }

            .mobile-section-group.expanded h4::after {
                transform: rotate(225deg);
            }

            .mobile-section-content {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease, padding 0.3s ease;
                padding: 0;
            }

            .mobile-section-group.expanded .mobile-section-content {
                max-height: 400px;
                padding: 0 0 12px 0;
            }

            .mobile-section-item {
                display: block;
                padding: 8px 20px 8px 40px;
                color: #333;
                text-decoration: none;
                font-size: 14px;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
                transition: color 0.2s ease;
            }

            .mobile-section-item:hover {
                color: #165dff;
            }

            .mobile-section-item-title {
                font-weight: 500;
            }

            /* 移动端搜索覆盖层 */
            .mobile-search-overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                z-index: 1001;
                transform: translateY(-100%);
                transition: transform 0.3s ease;
                padding: 80px 20px 20px 20px;
            }

            .mobile-search-overlay.active {
                transform: translateY(0);
            }

            .mobile-search-input {
                width: 100%;
                height: 50px;
                padding: 0 20px 0 50px;
                border: 2px solid rgba(26, 115, 232, 0.2);
                border-radius: 25px;
                background: rgba(255, 255, 255, 0.9);
                font-size: 16px;
                outline: none;
                position: relative;
            }

            .mobile-search-input:focus {
                border-color: #165dff;
            }

            .mobile-search-icon {
                position: absolute;
                left: 18px;
                top: 50%;
                transform: translateY(-50%);
                width: 20px;
                height: 20px;
                opacity: 0.6;
            }

            .mobile-hot-searches {
                margin-top: 30px;
            }

            .mobile-hot-searches h3 {
                font-size: 16px;
                font-weight: 600;
                color: #333;
                margin-bottom: 15px;
            }

            .mobile-hot-item {
                display: block;
                padding: 12px 0;
                color: #333;
                text-decoration: none;
                font-size: 15px;
                border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            }

            .mobile-hot-item:hover {
                color: #165dff;
            }


        }

        @media (min-width: 641px) {

            .mobile-menu-btn,
            .mobile-auth-btn,
            .mobile-search-btn,
            .mobile-sidebar,
            .mobile-search-overlay {
                display: none !important;
            }
        }

        /* 登录弹窗样式 */
        .login-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 10000;
            display: none;
            justify-content: center;
            align-items: center;
        }

        .login-modal.show {
            display: flex;
        }

        .login-modal-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }

        .login-modal-content {
            position: relative;
            background: white;
            border-radius: 12px;
            width: 480px;
            max-width: 90vw;
            max-height: calc(100vh - 40px);
            height: 75%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            overflow-y: auto;
            animation: loginModalAppear 0.3s ease-out;
            margin: 20px;
            user-select: none;
        }

        /* 登录弹窗滚动条样式 */
        .login-modal-content::-webkit-scrollbar {
            width: 6px;
        }

        .login-modal-content::-webkit-scrollbar-track {
            background: rgba(0, 0, 0, 0.05);
            border-radius: 3px;
        }

        .login-modal-content::-webkit-scrollbar-thumb {
            background: rgba(22, 93, 255, 0.3);
            border-radius: 3px;
            transition: background 0.3s ease;
        }

        .login-modal-content::-webkit-scrollbar-thumb:hover {
            background: rgba(22, 93, 255, 0.5);
        }

        /* Firefox滚动条样式 */
        .login-modal-content {
            scrollbar-width: thin;
            scrollbar-color: rgba(22, 93, 255, 0.3) rgba(0, 0, 0, 0.05);
        }

        @keyframes loginModalAppear {
            from {
                opacity: 0;
                transform: scale(0.9) translateY(20px);
            }

            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }

        .login-modal-header {
            padding: 30px 50px 10px;
            position: relative;
        }

        .login-tabs {
            display: flex;
            width: 100%;
            position: relative;
        }

        .login-tabs::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50%;
            height: 3px;
            background: #165dff;
            transition: left 0.3s ease;
        }

        .login-tabs.phone-active::after {
            left: 50%;
        }

        .login-tab {
            flex: 1;
            padding: 14px 16px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            color: #666;
            transition: all 0.3s ease;
            position: relative;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            user-select: none;
        }

        .login-tab.active {
            color: #165dff;
        }



        .login-modal-body {
            padding: 30px 50px;
            position: relative;
            min-height: 320px;
        }

        .login-loading-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 10;
            backdrop-filter: blur(2px);
            pointer-events: none;
        }

        .login-loading-overlay.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .login-loading-spinner {
            width: 24px;
            height: 24px;
            border: 2px solid rgba(22, 93, 255, 0.2);
            border-top: 2px solid #165dff;
            border-radius: 50%;
            animation: loginSpin 1s linear infinite;
        }

        @keyframes loginSpin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .login-form {
            display: none;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }

        .login-form.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        .login-form.loading {
            opacity: 0.5;
            pointer-events: none;
            filter: blur(1px);
        }

        .login-form-group {
            margin-bottom: 12px;
        }

        .login-code-group {
            display: flex;
            gap: 10px;
        }

        .login-code-group .login-input {
            flex: 1;
        }

        .login-input {
            width: 100%;
            padding: 10px 16px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 8px;
            font-size: 13px;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            outline: none;
            transition: all 0.3s ease;
            color: #333;
            background: white;
            user-select: text;
        }

        .login-input:focus {
            border-color: #165dff;
            box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
        }

        .login-input::placeholder {
            color: #999;
        }

        .login-agreement {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 12px;
            color: #666;
            cursor: pointer;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            user-select: none;
            line-height: 1.4;
        }

        .login-agreement input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: #165dff;
            margin-top: 1px;
            flex-shrink: 0;
        }

        .login-agreement span {
            flex: 1;
        }

        .login-link {
            color: #165dff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .login-link:hover {
            color: #4080ff;
            text-decoration: underline;
        }

        .login-form-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .login-footer-link {
            color: #666;
            text-decoration: none;
            font-size: 13px;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            transition: color 0.2s ease;
        }

        .login-footer-link:hover {
            color: #165dff;
        }

        .login-submit-btn {
            width: 100%;
            padding: 10px;
            background: #165dff;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            user-select: none;
        }

        .login-submit-btn:hover {
            background: #4080ff;

        }

        .login-submit-btn:active {
            transform: translateY(0);
        }

        .login-submit-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .login-send-code-btn {
            padding: 10px 16px;
            background: #165dff;
            color: #FFF;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            user-select: none;
        }

        .login-send-code-btn:hover {
            background: #4080ff;
            border-color: #FFF;
        }

        .login-send-code-btn:disabled {
            background: #f5f5f5;
            color: #999;
            border-color: #ddd;
            cursor: not-allowed;
        }

        /* 响应式设计 */
        @media (max-width: 640px) {
            .login-modal-content {
                width: 95vw;
                border-radius: 8px;
                margin: 10px;
            }

            .login-modal-header {
                padding: 6px 10px 0;
            }

            .login-modal-body {
                padding: 25px 20px;
                min-height: 280px;
            }

            .login-tab {
                padding: 12px 15px;
                font-size: 14px;
            }

            .login-input {
                padding: 11px 16px;
                font-size: 16px;
            }

            .login-submit-btn {
                padding: 11px;
                font-size: 14px;
            }

            .login-send-code-btn {
                padding: 11px 14px;
                font-size: 12px;
            }

            .login-form-group {
                margin-bottom: 10px;
            }
        }

        @media (max-width: 480px) {
            .login-modal-content {
                width: 98vw;
                margin: 5px;
            }

            .login-modal-header {
                padding: 4px 8px 0;
            }

            .login-modal-body {
                padding: 20px 15px;
                min-height: 260px;
            }

            .login-tab {
                padding: 10px 12px;
                font-size: 13px;
            }

            .login-tabs::after {
                height: 2px;
            }

            .login-form-group {
                margin-bottom: 8px;
            }

            .login-input {
                padding: 10px 14px;
                font-size: 15px;
            }

            .login-submit-btn {
                padding: 10px;
                font-size: 13px;
            }

            .login-send-code-btn {
                padding: 10px 12px;
                font-size: 11px;
            }
        }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}