*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1d4ed8;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0f3a9e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0f172a;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f172a;
            border-left: 6px solid #3b82f6;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1e293b;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #334155;
        }
        .lead {
            font-size: 1.25rem;
            color: #1e293b;
            font-weight: 400;
            line-height: 1.8;
        }
        strong,
        b {
            color: #0f172a;
            font-weight: 700;
        }
        em {
            font-style: italic;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 0 0 4px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 1.8rem;
            -webkit-text-fill-color: #fbbf24;
            color: #fbbf24;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none !important;
        }
        .my-logo span {
            font-weight: 300;
            font-size: 0.9rem;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.7);
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.3px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #eef2f6;
            padding: 10px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
            max-width: 1200px;
            margin: 0 auto;
            border-radius: 0 0 12px 12px;
        }
        .breadcrumb a {
            color: #1d4ed8;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: #94a3b8;
        }
        .hero {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
            color: #fff;
            padding: 60px 20px 50px;
            border-radius: 0 0 40px 40px;
            margin-bottom: 40px;
        }
        .hero h1 {
            color: #fff;
            font-size: 3.2rem;
            max-width: 900px;
        }
        .hero p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.2rem;
            max-width: 800px;
            margin-top: 12px;
        }
        .hero .meta-badge {
            display: inline-block;
            background: rgba(251, 191, 36, 0.2);
            color: #fbbf24;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-top: 16px;
            border: 1px solid rgba(251, 191, 36, 0.25);
        }
        .content-section {
            background: #fff;
            border-radius: 24px;
            padding: 40px 36px;
            margin-bottom: 32px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
        }
        .content-section img {
            margin: 24px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 24px;
            margin: 20px 0;
        }
        .feature-list li {
            padding: 10px 16px 10px 36px;
            background: #f8fafc;
            border-radius: 10px;
            position: relative;
            font-weight: 500;
        }
        .feature-list li::before {
            content: "🏈";
            position: absolute;
            left: 10px;
            top: 10px;
            font-size: 1.1rem;
        }
        .highlight-box {
            background: #f1f5f9;
            border-left: 6px solid #3b82f6;
            padding: 20px 28px;
            border-radius: 12px;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
            border-radius: 12px;
            overflow: hidden;
        }
        th,
        td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background: #0f172a;
            color: #fff;
            font-weight: 600;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:nth-child(even) td {
            background: #f8fafc;
        }
        .search-box {
            display: flex;
            gap: 10px;
            max-width: 600px;
            margin: 20px 0 10px;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            transition: border 0.3s;
            outline: none;
            min-width: 180px;
        }
        .search-box input:focus {
            border-color: #3b82f6;
        }
        .search-box button {
            padding: 14px 32px;
            background: #1d4ed8;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #1e40af;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin: 24px 0;
        }
        .feedback-card {
            background: #f8fafc;
            border-radius: 20px;
            padding: 28px 32px;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card textarea,
        .feedback-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.3s;
            outline: none;
            margin-bottom: 12px;
            resize: vertical;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #3b82f6;
        }
        .feedback-card .btn-submit {
            padding: 12px 28px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .feedback-card .btn-submit:hover {
            background: #1e293b;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            margin-bottom: 12px;
            color: #cbd5e1;
            transition: color 0.2s;
        }
        .star-rating i.active {
            color: #f59e0b;
        }
        .star-rating i:hover,
        .star-rating i.active~i {
            color: #fbbf24;
        }
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 20px 32px;
            border-radius: 40px 40px 0 0;
            margin-top: 48px;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer h4 {
            color: #fbbf24;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            display: inline-block;
            margin-bottom: 6px;
        }
        .site-footer a:hover {
            color: #fbbf24;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }
        .friend-link a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
        }
        .friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding-top: 16px;
        }
        .last-updated {
            background: rgba(251, 191, 36, 0.12);
            padding: 4px 16px;
            border-radius: 30px;
            color: #fbbf24;
            font-weight: 500;
            font-size: 0.85rem;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.2rem;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .feature-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 12px 16px;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(15, 23, 42, 0.98);
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 10px;
                gap: 4px;
            }
            .main-nav.show {
                display: flex;
            }
            .main-nav a {
                padding: 12px 18px;
                border-radius: 10px;
                width: 100%;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                padding: 40px 16px 36px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .content-section {
                padding: 28px 18px;
            }
            h2 {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            h3 {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .search-box button {
                padding: 12px 20px;
            }
            .table-wrap {
                font-size: 0.85rem;
            }
            th,
            td {
                padding: 10px 12px;
            }
            .feedback-card {
                padding: 20px 18px;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-section {
                padding: 20px 14px;
                border-radius: 16px;
            }
            .feature-list li {
                font-size: 0.92rem;
                padding: 8px 12px 8px 34px;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0f172a;
            color: #fff;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            z-index: 99;
            opacity: 0;
            visibility: hidden;
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: #1e293b;
            transform: translateY(-3px);
        }