* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
        }

        body {
            background-color: #f4f7fb;
            color: #1e2b3c;
            line-height: 1.5;
        }

        .app-wrapper {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1.5rem 2rem 2rem;
        }

        /* 头部 */
        .site-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 1.5rem 0;
            border-bottom: 2px solid rgba(0, 85, 170, 0.15);
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .logo-area {
            display: flex;
            align-items: baseline;
            gap: 0.75rem;
        }

        .logo-main {
            font-size: 2rem;
            font-weight: 700;
            background: linear-gradient(145deg, #003d7c, #1a5fa6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }

        .logo-main .dot {
            color: #e63946;
            background: none;
            -webkit-background-clip: unset;
            background-clip: unset;
            font-size: 2.2rem;
        }

        .logo-domain {
            font-size: 1.1rem;
            background-color: #eef2f7;
            padding: 0.3rem 0.9rem;
            border-radius: 40px;
            color: #1e4a7a;
            font-weight: 500;
            border: 1px solid #cbd5e1;
			cursor: pointer;
        }

        .badge-icp {
            background: #1e3a5f;
            color: white;
            padding: 0.35rem 1.2rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            box-shadow: 0 2px 6px rgba(0,40,80,0.2);
			cursor: pointer;
        }

        .badge-icp i {
            margin-right: 6px;
            font-size: 0.8rem;
            color: #ffd966;
        }

        /* 区块标题 + 筛选 */
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title i {
            color: #1e4a7a;
            font-size: 1.8rem;
        }

        /* 筛选按钮组 */
        .filter-group {
            display: flex;
            gap: 0.5rem;
            background: white;
            padding: 0.4rem;
            border-radius: 48px;
            box-shadow: 0 4px 12px rgba(0,20,50,0.05);
            border: 1px solid #dde3ed;
        }

        .filter-btn {
            border: none;
            background: transparent;
            padding: 0.5rem 1.6rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #3d5775;
            cursor: pointer;
            transition: all 0.2s;
        }

        .filter-btn.active {
            background: #1e6df2;
            color: white;
            box-shadow: 0 4px 8px rgba(30,109,242,0.2);
        }

        .filter-btn:hover:not(.active) {
            background: #e7edf6;
        }
        /* 卡片网格 */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-bottom: 2.8rem;
        }

        .card {
            background: white;
            border-radius: 28px;
            box-shadow: 0 8px 22px rgba(0, 30, 60, 0.06);
            transition: all 0.25s ease;
            cursor: pointer;
            border: 2px solid transparent;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 18px 30px rgba(20, 60, 120, 0.12);
            border-color: #a0c4ff;
        }

        .card.active {
            border-color: #1e6df2;
            background-color: #f6fbff;
            box-shadow: 0 10px 25px rgba(30, 109, 242, 0.15);
        }

        .card-image {
            height: 130px;
            background-size: cover;
            background-position: center;
            background-color: #cbd9ea;
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            padding: 0.5rem 1rem;
            color: white;
            font-weight: 700;
            font-size: 1.5rem;
            text-shadow: 0 2px 6px rgba(0,0,0,0.3);
            background-blend-mode: overlay;
        }

        .card-image span {
            background: rgba(0,0,0,0.5);
            padding: 0.2rem 1rem;
            border-radius: 40px;
            font-size: 1rem;
            backdrop-filter: blur(2px);
        }

        .card-content {
            padding: 1.3rem 1rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #0c2d4b;
            line-height: 1.3;
        }

        .card-meta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem 0.5rem;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #1f4662;
        }

        .meta-item i {
            width: 18px;
            color: #1e6df2;
            font-size: 0.9rem;
            text-align: center;
        }

        .meta-item .label {
            color: #5b7b9c;
            font-weight: 400;
            margin-right: 2px;
        }

        .meta-item .value {
            font-weight: 500;
            color: #1a324a;
        }

        .card-status {
            display: inline-block;
            align-self: flex-start;
            padding: 0.2rem 1.1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-top: 0.2rem;
        }

        .status-open {
            background: #e1f7e3;
            color: #1d7a3b;
        }
        .status-upcoming {
            background: #fff2cf;
            color: #b45b0b;
        }
        .status-closed {
            background: #f0eef0;
            color: #5e5e6a;
        }

        /* 详情面板 */
        .detail-panel {
            background: white;
            border-radius: 32px;
            box-shadow: 0 12px 30px rgba(0, 30, 60, 0.08);
            padding: 2rem 2.5rem;
            margin-top: 0.5rem;
            border: 1px solid rgba(0,70,150,0.1);
        }

        .detail-header {
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 2px dashed #cbd6e8;
            padding-bottom: 1.5rem;
            margin-bottom: 1.8rem;
        }

        .detail-header i {
            font-size: 2rem;
            background: #e4edfb;
            padding: 0.5rem;
            border-radius: 50%;
            color: #003d7c;
        }

        .detail-header h2 {
            font-size: 2rem;
            font-weight: 650;
            color: #0a2647;
            letter-spacing: -0.3px;
        }

        .detail-header .enrolled-badge {
            background: #deeaf9;
            margin-left: auto;
            padding: 0.4rem 1.3rem;
            border-radius: 40px;
            font-weight: 500;
            color: #1e4a7a;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .reg-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .reg-section {
            display: flex;
            flex-wrap: wrap;
            border-bottom: 1px solid #e7edf5;
            padding-bottom: 1rem;
        }

        .reg-label {
            width: 130px;
            font-weight: 600;
            color: #1d3e63;
            font-size: 1.05rem;
        }

        .reg-value {
            flex: 1;
            color: #1a324a;
        }

        .items-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 0.4rem;
        }

        .item-chip {
            background: #ecf3fa;
            border-radius: 40px;
            padding: 0.3rem 1.4rem;
            font-size: 0.95rem;
            border-left: 3px solid #1e6df2;
        }

        .route-desc {
            background: #f5f9ff;
            padding: 1rem 1.6rem;
            border-radius: 24px;
            line-height: 1.7;
            color: #103450;
            font-style: italic;
            border: 1px solid #d9e5f5;
        }

        .qual-note {
            background: #fff9e0;
            border-left: 5px solid #f4b740;
            padding: 0.8rem 1.6rem;
            border-radius: 16px;
        }

        .detail-footer {
            display: flex;
            justify-content: center;
            margin-top: 2.5rem;
            padding-top: 1.2rem;
            border-top: 1px solid #d5e0ee;
        }

        .btn-register {
            background: #1e6df2;
            border: none;
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 0.8rem 3rem;
            border-radius: 60px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 16px rgba(30, 109, 242, 0.25);
            cursor: pointer;
            transition: all 0.2s;
            border: 2px solid transparent;
        }

        .btn-register:hover {
            background: #0b53c4;
            transform: scale(1.02);
            box-shadow: 0 12px 24px rgba(30, 109, 242, 0.35);
        }

        .btn-register i {
            font-size: 1.3rem;
        }

        /* 模态框二维码 */
        .modal {
            display: flex;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.2s ease, visibility 0.2s;
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            align-items: center;
            justify-content: center;
            z-index: 1000;
            backdrop-filter: blur(4px);
        }

        .modal.active {
            visibility: visible;
            opacity: 1;
        }

        .modal-content {
            background: white;
            padding: 2rem 2rem 1.8rem;
            border-radius: 48px;
            max-width: 360px;
            width: 90%;
            box-shadow: 0 30px 50px rgba(0,20,50,0.5);
            text-align: center;
            position: relative;
            transform: scale(0.95);
            transition: transform 0.2s ease;
        }

        .modal.active .modal-content {
            transform: scale(1);
        }

        .modal-close {
            position: absolute;
            top: 20px; right: 25px;
            font-size: 1.6rem;
            color: #8a9db0;
            cursor: pointer;
            transition: color 0.1s;
        }
        .modal-close:hover {
            color: #1e2b3c;
        }

        .qr-placeholder {
            width: 200px;
            height: 200px;
            margin: 1.5rem auto 1rem;
            display: flex;
            flex-wrap: wrap;
            padding: 10px;
            gap: 6px;
            justify-content: center;
            align-items: center;
            border-radius: 28px;
			img{
				width: 200px;
				height: 200px;
			}
        }

        .qr-cell {
            width: 30px;
            height: 30px;
            background: #1e3a5f;
            border-radius: 8px;
            opacity: 0.9;
        }

        .qr-cell.small {
            width: 20px;
            height: 20px;
            background: #306cac;
        }

        .qr-cell.light {
            background: #b3c9ec;
        }

        .qr-tip {
            font-size: 1.2rem;
            font-weight: 600;
            color: #1a3d62;
            margin: 0.5rem 0 0.2rem;
        }

        .qr-sub {
            color: #59758f;
            font-size: 0.9rem;
        }

        .footer-note {
            margin-top: 3.5rem;
            text-align: center;
            color: #6a7f9f;
            font-size: 0.9rem;
            border-top: 1px solid #cbd9ea;
            padding-top: 1.8rem;
        }

        .footer-note a {
            color: #1e5da6;
            text-decoration: none;
            font-weight: 500;
        }

        @media (max-width: 1200px) {
            .cards-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 900px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 550px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .site-header {
                flex-direction: column;
                align-items: start;
                gap: 0.8rem;
            }
            .detail-panel {
                padding: 1.5rem;
            }
            .section-header {
                flex-direction: column;
                align-items: start;
            }
        }