/* ========== CSS变量 ========== */
        :root {
            --primary: #1e3c72;
            --primary-light: #2a5298;
            --accent: #ff6b35;
            --success: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --dark: #1f2937;
            --light: #f9fafb;
            --border: #e5e7eb;
            --text: #111827;
            --text-muted: #6b7280;
            --gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --radius-lg: 16px;
        }

        /* ========== Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: linear-gradient(180deg, #e0e7ff 0%, #f8fafc 50%, #ffffff 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== Header ========== */
        .header {
            background: var(--gradient);
            color: white;
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-top {
            background: rgba(0, 0, 0, 0.15);
            padding: 8px 0;
            font-size: 0.875rem;
        }

        .header-top-inner {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .header-main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: white;
        }

        .logo-icon {
            font-size: 2.5rem;
        }

        .logo-text h1 {
            font-size: 1.75rem;
            font-weight: 900;
            margin: 0;
        }

        .logo-text p {
            font-size: 0.75rem;
            opacity: 0.9;
            margin: 0;
        }

        .header-time {
            font-size: 0.9rem;
            opacity: 0.95;
        }

        /* ========== Main ========== */
        .main {
            flex: 1;
            max-width: 1400px;
            margin: 0 auto;
            padding: 30px 20px;
            width: 100%;
        }

        /* ========== Control Panel ========== */
        .control-panel {
            background: white;
            border-radius: var(--radius-lg);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }

        .control-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: flex-end;
        }

        .sport-tabs {
            display: flex;
            background: var(--light);
            padding: 4px;
            border-radius: 10px;
            gap: 0;
        }

        .sport-tab {
            padding: 12px 30px;
            border: none;
            background: transparent;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: 8px;
            transition: all 0.3s;
            font-family: inherit;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sport-tab.active {
            background: var(--gradient);
            color: white;
            box-shadow: var(--shadow);
        }

        .sport-tab:hover:not(.active) {
            background: rgba(30, 60, 114, 0.1);
        }

        .form-group {
            flex: 1;
            min-width: 200px;
        }

        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
            background: white;
            cursor: pointer;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        /* ========== Match Section ========== */
        .match-section {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }

        .section-header {
            background: var(--gradient);
            color: white;
            padding: 20px 25px;
        }

        .section-title {
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .section-meta {
            font-size: 0.875rem;
            opacity: 0.9;
            margin-top: 5px;
        }

        /* Loading State */
        .loading-state {
            text-align: center;
            padding: 60px 20px;
        }

        .spinner {
            width: 50px;
            height: 50px;
            border: 4px solid var(--border);
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .loading-text {
            color: var(--text-muted);
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }

        .empty-icon {
            font-size: 4rem;
            margin-bottom: 15px;
            opacity: 0.5;
        }

        .empty-text {
            font-size: 1.125rem;
            margin-bottom: 10px;
        }

        .empty-hint {
            font-size: 0.875rem;
            opacity: 0.8;
        }

        /* Date Group */
        .date-group {
            border-bottom: 1px solid var(--border);
        }

        .date-group:last-child {
            border-bottom: none;
        }

        .date-header {
            background: linear-gradient(90deg, #f8fafc 0%, #ffffff 100%);
            padding: 15px 25px;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .date-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .date-count {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* Match Card */
        .match-card {
            display: grid;
            grid-template-columns: 100px 1fr 100px;
            gap: 20px;
            align-items: center;
            padding: 20px 25px;
            border-bottom: 1px solid var(--border);
            transition: all 0.3s;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

        .match-card:last-child {
            border-bottom: none;
        }

        .match-card:hover {
            background: linear-gradient(90deg, rgba(30, 60, 114, 0.03) 0%, rgba(42, 82, 152, 0.03) 100%);
            transform: translateX(5px);
        }

        .match-time-section {
            text-align: center;
        }

        .match-time {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
        }

        .match-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 5px;
        }

        .status-live {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
            animation: pulse 2s infinite;
        }

        .status-upcoming {
            background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
            color: white;
        }

        .status-finished {
            background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
            color: white;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .match-content-section {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .match-league {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .match-league::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }

        .match-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
        }

        .team {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
        }

        .team-away {
            flex-direction: row-reverse;
            text-align: right;
        }

        .team-logo {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--border);
            flex-shrink: 0;
            overflow: hidden;
            font-size: 1.5rem;
        }

        .team-logo img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .team-name {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
        }

        .team-name.winner {
            color: var(--success);
        }

        .match-vs {
            text-align: center;
            min-width: 60px;
        }

        .vs-text {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .match-score-section {
            text-align: center;
        }

        .score-display {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary);
        }

        .score-detail {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        /* ========== Keywords Section ========== */
        .keywords-section {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }

        .keywords-header {
            background: var(--gradient-accent);
            color: white;
            padding: 20px 25px;
        }

        .keywords-title {
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0;
        }

        .keywords-grid {
            padding: 25px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 12px;
        }

        .keyword-tag {
            padding: 12px 16px;
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.875rem;
            color: var(--text);
            text-decoration: none;
            transition: all 0.3s;
            text-align: center;
            font-weight: 500;
        }

        .keyword-tag:hover {
            background: var(--gradient);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 0;
            margin-top: auto;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-section h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: white;
        }

        .footer-section p {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            font-size: 0.9rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            padding: 25px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
        }

        /* ========== Responsive ========== */
        @media (max-width: 768px) {
            .header-main {
                flex-direction: column;
                text-align: center;
            }

            .control-row {
                flex-direction: column;
            }

            .sport-tabs {
                width: 100%;
            }

            .sport-tab {
                flex: 1;
                justify-content: center;
            }

            .match-card {
                grid-template-columns: 1fr;
                gap: 15px;
            }

            .match-time-section {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }

            .match-teams {
                flex-direction: column;
                gap: 15px;
            }

            .team, .team-away {
                flex-direction: row;
                text-align: left;
                width: 100%;
            }

            .match-vs {
                order: 2;
            }

            .match-score-section {
                text-align: center;
                padding-top: 10px;
                border-top: 1px solid var(--border);
            }

            .keywords-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 480px) {
            .logo-text h1 {
                font-size: 1.5rem;
            }

            .keywords-grid {
                padding: 15px;
            }

            .keyword-tag {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }