/* ===== 全局重置 & 变量 ===== */
        :root {
            --primary-color: #2c8a5c;
            --nav-color: #1a6845;
            --secondary-color: #f1f8f5;
            --hover-bg: rgba(255, 255, 255, 0.2);
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            padding-top: 0 !important;
        }

        /* ===== 管理员快捷入口 ===== */
        .admin-bar {
            text-align: center;
            padding: 6px 0;
            background: #f0f2f5;
            border-bottom: 1px solid #e0e4e8;
            font-size: 14px;
        }

        .admin-bar a {
            color: #1a6845;
            font-weight: 600;
            text-decoration: none;
            padding: 4px 16px;
            border-radius: 4px;
            transition: background 0.2s;
        }

        .admin-bar a:hover {
            background: #d4e4dc;
            text-decoration: none;
        }

        .admin-bar .sep {
            color: #adb5bd;
            margin: 0 6px;
        }

        /* ===== 头部容器 ===== */
        .header-container.container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 15px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 10px 0;
        }

        .header-container .logo {
            max-height: 48px;
            width: auto;
            flex-shrink: 0;
        }

        /* PC端LOGO更大 */
        @media (min-width: 769px) {
            .header-container .logo {
                max-height: 64px;
            }
        }

        /* ===== 用户信息 - PC端 ===== */
        .user-info {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 14px;
            font-size: 14px;
        }

        .user-info .highlight {
            color: #1a6845;
            font-weight: 600;
        }

        .user-info a {
            color: #2c8a5c;
            text-decoration: none;
        }

        .user-info a:hover {
            text-decoration: underline;
        }

        .user-info .logout-link {
            color: orangered;
            font-weight: bolder;
        }

        /* ===== 移动端用户信息 - 可折叠卡片（在LOGO右侧） ===== */
        .user-info-mobile {
            display: none;
            position: relative;
            flex-shrink: 0;
        }

        /* 卡片头部 - 显示在LOGO右侧 */
        .user-info-mobile .card-header {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 4px 10px 4px 6px;
            cursor: pointer;
            user-select: none;
            border-radius: 30px;
            background: #f0f4f8;
            border: 1px solid #e0e6ed;
            transition: background 0.2s, border-color 0.2s;
            white-space: nowrap;
        }

        .user-info-mobile .card-header:hover {
            background: #e8edf4;
            border-color: #c8d0d8;
        }

        .user-info-mobile .card-header .avatar {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #1a6845;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .user-info-mobile .card-header .username {
            color: #1a6845;
            font-weight: 600;
            font-size: 13px;
            max-width: 60px;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .user-info-mobile .card-header .toggle-icon {
            font-size: 12px;
            color: #6c757d;
            transition: transform 0.3s ease;
            margin-left: 2px;
        }

        .user-info-mobile .card-header .toggle-icon.open {
            transform: rotate(180deg);
        }

        /* 下拉弹出卡片内容 - 绝对定位在头部下方 */
        .user-info-mobile .card-body {
            display: none;
            position: absolute;
            top: calc(100% + 6px);
            right: 0;
            min-width: 200px;
            background: #ffffff;
            border-radius: 12px;
            border: 1px solid #e8edf2;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            padding: 10px 14px;
            z-index: 9999;
            white-space: nowrap;
        }

        .user-info-mobile .card-body.open {
            display: block;
        }

        .user-info-mobile .user-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 3px 0;
            gap: 12px;
        }

        .user-info-mobile .user-row:not(:last-child) {
            border-bottom: 1px dashed #eef2f7;
            padding-bottom: 4px;
            margin-bottom: 4px;
        }

        .user-info-mobile .label {
            color: #6c757d;
            font-size: 12px;
            font-weight: 400;
        }

        .user-info-mobile .value {
            color: #1a2a3a;
            font-size: 13px;
            font-weight: 600;
            text-align: right;
        }

        .user-info-mobile .value a {
            color: #1a6845;
            text-decoration: none;
        }

        .user-info-mobile .value a:hover {
            text-decoration: underline;
        }

        .user-info-mobile .value .highlight {
            color: #1a6845;
        }

        .user-info-mobile .user-actions {
            display: flex;
            gap: 8px;
            justify-content: flex-end;
            padding-top: 6px;
            margin-top: 6px;
            border-top: 1px solid #eef2f7;
        }

        .user-info-mobile .user-actions a {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 20px;
            text-decoration: none;
            transition: 0.2s;
        }

        .user-info-mobile .user-actions .btn-logout {
            color: #fff;
            background: #dc3545;
        }

        .user-info-mobile .user-actions .btn-logout:hover {
            background: #c82333;
        }

        .user-info-mobile .user-actions .btn-admin {
            color: #fff;
            background: #1a6845;
        }

        .user-info-mobile .user-actions .btn-admin:hover {
            background: #0d5c3a;
        }

        /* ===== 登录/注册 ===== */
        .login-info {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            font-size: 14px;
        }

        .login-info .button {
            padding: 4px 10px;
            background: #2c8a5c;
            color: #fff;
            border-radius: 20px;
            text-decoration: none;
            font-weight: 500;
            transition: 0.2s;
        }

        .login-info .button:hover {
            background: #1a6845;
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .header-container.container {
                flex-direction: row;
                align-items: center;
                padding: 8px 12px;
                gap: 6px;
            }

            .header-container .logo {
                max-height: 36px;
                margin-right: auto;
            }

            .user-info {
                display: none !important;
            }

            .user-info-mobile {
                display: block !important;
            }

            .login-info {
                font-size: 13px;
                gap: 4px 8px;
            }

            .login-info .button {
                padding: 3px 10px;
                font-size: 13px;
            }

            .user-info-mobile .card-body {
                right: 0;
                left: auto;
                min-width: 180px;
            }
        }

        @media (max-width: 480px) {
            .header-container .logo {
                max-height: 30px;
            }

            .user-info-mobile .card-header {
                padding: 3px 8px 3px 4px;
                border-radius: 24px;
            }

            .user-info-mobile .card-header .avatar {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }

            .user-info-mobile .card-header .username {
                font-size: 12px;
                max-width: 44px;
            }

            .user-info-mobile .card-header .toggle-icon {
                font-size: 10px;
            }

            .user-info-mobile .card-body {
                min-width: 160px;
                padding: 8px 12px;
                right: -4px;
            }

            .user-info-mobile .label {
                font-size: 11px;
            }

            .user-info-mobile .value {
                font-size: 12px;
            }

            .user-info-mobile .user-actions a {
                font-size: 11px;
                padding: 2px 10px;
            }
        }

        @media (min-width: 769px) {
            .user-info {
                display: flex !important;
            }

            .user-info-mobile {
                display: none !important;
            }
        }

        /* ===== 导航栏 - 降低高度 ===== */
        .nav-container .container {
            padding: 0 15px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            min-height: 44px;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 12px;
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: background 0.2s;
            border-radius: 6px;
            white-space: nowrap;
        }

        .nav-link:hover,
        .nav-link:focus {
            background: var(--hover-bg);
            color: #fff;
            text-decoration: none;
        }

        /* ===== PC下拉菜单 ===== */
        .dropdown-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 180px;
            background: #ffffff !important;
            border-radius: 8px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            padding: 6px 0;
            z-index: 1050;
            list-style: none;
            border: none;
            margin: 4px 0 0 0;
        }

        .dropdown-menu .dropdown-item {
            display: block;
            padding: 10px 22px;
            color: #1e2a3a !important;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: background 0.15s, color 0.15s;
            border-bottom: 1px solid #f0f2f5;
            background: transparent !important;
        }

        .dropdown-menu .dropdown-item:last-child {
            border-bottom: none;
        }

        .dropdown-menu .dropdown-item:hover {
            background: #e8f5ee !important;
            color: #0d5c3a !important;
        }

        .pc-only.dropdown:hover .dropdown-menu {
            display: block !important;
        }

        /* ===== 移动端下拉菜单 ===== */
        .mobile-only {
            display: none !important;
        }

        @media (max-width: 991px) {

            .nav-container {
                background: #f7f9fa;
                border-bottom: 1px solid #e9ecef;
            }

            .nav-link {
                color: #1a242f !important;
                font-weight: bold;
                /* 轻微加粗，进一步提升辨识度 */
            }

            .nav-link:hover,
            .nav-link:focus {
                background: #e8f5ee;
                color: #1a6845;
            }

            .pc-only {
                display: none !important;
            }

            .mobile-only {
                display: inline-block !important;
            }

            .nav-link {
                font-size: 14px;
                padding: 6px 10px;
            }

            .nav-menu {
                min-height: 38px;
                padding: 2px 0;
            }

            .mobile-dropdown .nav-link {
                padding-right: 4px;
            }

            .mobile-dropdown .dropdown-menu {
                position: fixed !important;
                top: 50% !important;
                left: 50% !important;
                transform: translate(-50%, -50%) !important;
                width: 76vw !important;
                max-width: 340px !important;
                max-height: 70vh !important;
                overflow-y: auto !important;
                background: #ffffff !important;
                border-radius: 16px !important;
                padding: 6px 0 !important;
                box-shadow: 0 16px 48px rgba(0, 0, 0, 0.30) !important;
                z-index: 9999 !important;
                display: none !important;
                border: none !important;
                margin: 0 !important;
                -webkit-overflow-scrolling: touch;
            }

            .mobile-dropdown .dropdown-menu.show {
                display: block !important;
            }

            .mobile-dropdown .dropdown-item {
                padding: 10px 18px !important;
                font-size: 14px !important;
                font-weight: 500 !important;
                color: #1e2a3a !important;
                border-bottom: 1px solid #f0f3f7 !important;
                text-align: center !important;
                transition: background 0.15s, color 0.15s !important;
                letter-spacing: 0.3px;
                cursor: pointer;
                background: transparent !important;
            }

            .mobile-dropdown .dropdown-item:last-child {
                border-bottom: none !important;
            }

            .mobile-dropdown .dropdown-item:hover,
            .mobile-dropdown .dropdown-item:active,
            .mobile-dropdown .dropdown-item:focus {
                background: #e8f5ee !important;
                color: #0d5c3a !important;
            }

            .mobile-dropdown-overlay {
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background: rgba(0, 0, 0, 0.45);
                z-index: 9998;
                display: none;
                backdrop-filter: blur(3px);
                -webkit-backdrop-filter: blur(3px);
            }

            .mobile-dropdown-overlay.show {
                display: block !important;
            }

            .mobile-dropdown-close {
                position: sticky;
                top: 0;
                z-index: 2;
                background: #fff;
                padding: 8px 16px 4px 16px;
                text-align: right;
                border-bottom: 1px solid #f0f3f7;
                font-size: 14px;
                color: #6c757d;
                cursor: pointer;
                user-select: none;
            }

            .mobile-dropdown-close span {
                display: inline-block;
                padding: 2px 14px;
                border-radius: 30px;
                background: #f0f2f5;
                transition: 0.2s;
                font-size: 13px;
            }

            .mobile-dropdown-close span:hover {
                background: #e0e4e8;
            }

            .mobile-dropdown-title {
                padding: 4px 16px 4px 16px;
                text-align: center;
                font-size: 12px;
                color: #adb5bd;
                font-weight: 400;
                border-bottom: 1px solid #f0f3f7;
                margin-bottom: 2px;
                letter-spacing: 1px;
            }
        }

        @media (max-width: 480px) {
            .nav-link {
                font-size: 13px;
                padding: 5px 8px;
            }

            .nav-menu {
                min-height: 34px;
            }

            .mobile-dropdown .dropdown-menu {
                width: 82vw !important;
                max-width: 300px !important;
                max-height: 72vh !important;
                border-radius: 14px !important;
                padding: 4px 0 !important;
            }

            .mobile-dropdown .dropdown-item {
                padding: 8px 14px !important;
                font-size: 13.5px !important;
            }

            .mobile-dropdown-close {
                padding: 6px 12px 2px 12px !important;
                font-size: 13px !important;
            }

            .mobile-dropdown-close span {
                padding: 2px 12px !important;
                font-size: 12px !important;
            }

            .mobile-dropdown-title {
                font-size: 11px !important;
                padding: 2px 12px 2px 12px !important;
            }
        }

        /* ===== 会员提醒 ===== */
        .membership-alert {
            padding: 8px 0;
            font-size: 15px;
            text-align: center;
            position: relative;
            z-index: 1000;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
        }

        .membership-alert .container {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .membership-warning {
            background-color: #fff8e6;
            color: #8a6d3b;
            border-bottom: 1px solid #ffeaa7;
        }

        .membership-expired {
            background-color: #fde8e8;
            color: #a94442;
            border-bottom: 1px solid #f5c6cb;
        }

        .alert-icon {
            font-size: 18px;
            margin-right: 6px;
        }

        .renew-link {
            color: #2c8a5c;
            font-weight: 700;
            text-decoration: underline;
            padding: 4px 12px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.7);
        }

        .renew-link:hover {
            background: #fff;
            text-decoration: none;
        }

        @media (max-width: 768px) {
            .membership-alert {
                font-size: 14px;
                padding: 10px 0;
            }

            .membership-alert .container {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ===== 页脚 ===== */
        .pvyuan-footer {
            width: 100%;
            background: #f8f9fa;
            border-top: 2px solid #1ba6d9;
            padding: 30px 0 15px 0;
            margin-top: 30px;
        }

        .pvyuan-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .pvyuan-footer-row {
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
        }

        .pvyuan-footer-col {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 10px 20px;
            border-right: 1px solid #dee2e6;
        }

        .pvyuan-footer-col-left {
            padding-left: 0;
        }

        .pvyuan-footer-col-right {
            border-right: none;
            padding-right: 0;
        }

        .pvyuan-brand {
            display: flex;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 6px 16px;
        }

        .pvyuan-brand-name {
            color: #03a84d;
            font-size: 26px;
            font-weight: 700;
        }

        .pvyuan-brand-url {
            color: #6c757d;
            font-size: 16px;
        }

        .pvyuan-brand-desc {
            margin-top: 8px;
            font-size: 13px;
            color: #6c757d;
            line-height: 1.6;
        }

        .pvyuan-icp-wrapper {
            margin-top: 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }

        .pvyuan-icn-link {
            display: inline-flex;
            align-items: center;
            text-decoration: none;
            color: #495057;
            font-size: 13px;
        }

        .pvyuan-icn-link:hover {
            color: #1ba6d9;
            text-decoration: underline;
        }

        .pvyuan-icp-sep {
            color: #adb5bd;
            font-size: 13px;
        }

        .pvyuan-footer-title {
            color: #212529;
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 6px;
        }

        .pvyuan-footer-desc {
            color: #495057;
            font-size: 14px;
            line-height: 1.7;
        }

        .pvyuan-footer-tag {
            margin-top: 8px;
            font-size: 12px;
            color: #adb5bd;
        }

        .pvyuan-footer-mobile-only {
            display: none;
            flex-direction: column;
            align-items: center;
            padding: 12px 0 6px;
            width: 100%;
            border-top: 1px solid #e9ecef;
            margin-top: 12px;
        }

        .pvyuan-mobile-icp {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 4px 10px;
            font-size: 13px;
            color: #495057;
        }

        .pvyuan-mobile-copyright {
            margin-top: 6px;
            font-size: 13px;
            color: #6c757d;
            text-align: center;
        }

        @media (max-width: 767px) {
            .pvyuan-footer-col {
                display: none !important;
            }

            .pvyuan-footer-mobile-only {
                display: flex !important;
            }

            .pvyuan-footer {
                padding: 20px 0 10px;
            }

            .pvyuan-footer-row {
                padding: 0 5px;
            }
        }

        @media (max-width: 991px) and (min-width: 768px) {
            .pvyuan-footer-col {
                padding: 10px 12px;
            }

            .pvyuan-brand-name {
                font-size: 22px;
            }
        }

        /* 辅助 */
        .container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
            max-width: 1200px;
        }

        .row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -15px;
        }

        .col-sm-4 {
            flex: 0 0 33.3333%;
            max-width: 33.3333%;
            padding: 0 15px;
        }

        .col-md-4 {
            flex: 0 0 33.3333%;
            max-width: 33.3333%;
            padding: 0 15px;
        }

        .col-lg-4 {
            flex: 0 0 33.3333%;
            max-width: 33.3333%;
            padding: 0 15px;
        }

        @media (max-width: 767px) {

            .col-sm-4,
            .col-md-3,
            .col-md-4,
            .col-md-6,
            .col-md-9,
            /* 新增这一行 */
            .col-lg-3,
            .col-lg-4,
            .col-lg-6 {
                flex: 0 0 100% !important;
                max-width: 100% !important;
            }

            .row {
                margin: 0;
            }
        }

        .panel-footer {
            margin-bottom: 0;
        }

        .item img {
            width: 100%;
            display: block;
        }

        .carousel {
            margin-bottom: 20px;
        }