*,
        *::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, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #1a56db;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0f3b8c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ::selection {
            background: #fbbf24;
            color: #1e293b;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f172a 0%, #1e3a5f 100%);
            padding: 1rem 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.25s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 500;
            -webkit-text-fill-color: #94a3b8;
            color: #94a3b8;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.25rem 2rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .nav-menu a.active {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            margin: 1rem 0 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.8rem;
            color: #475569;
        }
        .breadcrumb a {
            color: #1a56db;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span.sep {
            color: #94a3b8;
            font-weight: 300;
        }
        .hero {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
            border-radius: 24px;
            padding: 3rem 2.5rem;
            margin: 1.5rem 0 3rem 0;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
            box-shadow: 0 12px 40px rgba(15, 23, 42, 0.25);
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.15rem;
            opacity: 0.92;
            margin-bottom: 1.8rem;
            max-width: 520px;
            color: #e2e8f0;
        }
        .hero-content .cta-btn {
            display: inline-block;
            background: #fbbf24;
            color: #0f172a;
            font-weight: 700;
            padding: 0.9rem 2.2rem;
            border-radius: 40px;
            font-size: 1.05rem;
            transition: background 0.25s, transform 0.2s;
            box-shadow: 0 4px 16px rgba(251, 191, 36, 0.3);
        }
        .hero-content .cta-btn:hover {
            background: #f59e0b;
            transform: translateY(-3px);
            text-decoration: none;
            color: #0f172a;
        }
        .hero-media {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-media img {
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
            max-height: 340px;
            width: 100%;
            object-fit: cover;
        }
        section {
            margin: 3.5rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1.8rem;
            color: #0f172a;
            position: relative;
            padding-bottom: 0.6rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            border-radius: 4px;
        }
        .section-title i {
            color: #f59e0b;
            margin-right: 0.5rem;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 2rem;
        }
        .card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.25s, box-shadow 0.3s;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
        }
        .card h3 {
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
            color: #0f172a;
        }
        .card h3 i {
            color: #f59e0b;
            margin-right: 0.5rem;
        }
        .card p {
            color: #475569;
            margin-bottom: 1rem;
        }
        .card a {
            font-weight: 600;
        }
        .tip-box {
            background: #fef9e7;
            border-left: 6px solid #fbbf24;
            padding: 1.5rem 2rem;
            border-radius: 16px;
            margin: 2rem 0;
            box-shadow: 0 2px 12px rgba(251, 191, 36, 0.12);
        }
        .tip-box strong {
            color: #b45309;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            margin: 1.8rem 0;
        }
        .data-table th {
            background: #1e3a5f;
            color: #fff;
            font-weight: 600;
            padding: 1rem 1.2rem;
            text-align: left;
        }
        .data-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #e9edf2;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        .search-block {
            background: #fff;
            padding: 2rem 2rem;
            border-radius: 20px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            margin: 2rem 0;
            border: 1px solid #e9edf2;
        }
        .search-block form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .search-block input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 0.9rem 1.4rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.25s;
        }
        .search-block input[type="text"]:focus {
            border-color: #fbbf24;
        }
        .search-block button {
            background: #1e3a5f;
            color: #fff;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.2s;
        }
        .search-block button:hover {
            background: #0f172a;
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-card {
            background: #fff;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9edf2;
        }
        .feedback-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            color: #0f172a;
        }
        .feedback-card label {
            display: block;
            font-weight: 600;
            margin: 1rem 0 0.4rem 0;
            color: #334155;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.25s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #fbbf24;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #fbbf24;
            color: #0f172a;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            margin-top: 1.2rem;
            transition: background 0.25s, transform 0.2s;
        }
        .feedback-card .btn-submit:hover {
            background: #f59e0b;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #fbbf24;
            transform: scale(1.15);
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.8rem 0;
            border-radius: 24px 24px 0 0;
            margin-top: 4rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem 3rem;
        }
        .footer-inner h4 {
            color: #fbbf24;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }
        .footer-inner a {
            color: #94a3b8;
        }
        .footer-inner a:hover {
            color: #fbbf24;
            text-decoration: underline;
        }
        .friend-link {
            display: block;
            padding: 0.6rem 0;
            border-bottom: 1px solid #1e293b;
        }
        .friend-link:last-child {
            border-bottom: none;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #1e293b;
            font-size: 0.9rem;
            color: #64748b;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media (max-width: 900px) {
            .hero {
                grid-template-columns: 1fr;
                padding: 2rem 1.5rem;
                text-align: center;
            }
            .hero-content p {
                margin: 0 auto 1.8rem auto;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 1rem 0 0.5rem 0;
                gap: 0.8rem;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 0.6rem 0.8rem;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .nav-menu a:hover {
                border-left-color: #fbbf24;
            }
            .header-inner {
                align-items: center;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .search-block form {
                flex-direction: column;
            }
            .search-block input[type="text"] {
                min-width: auto;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .data-table {
                font-size: 0.85rem;
            }
            .data-table th,
            .data-table td {
                padding: 0.7rem 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 0.6rem;
            }
            .hero {
                padding: 1.5rem 1rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
        }
        .text-muted {
            color: #64748b;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #64748b;
            background: #f1f5f9;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            display: inline-block;
            margin-bottom: 1rem;
        }
        .last-updated i {
            margin-right: 0.4rem;
        }