* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: #f4f7fc;
            color: #1a1e26;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #982e1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 14px;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b0e14 0%, #1a232f 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5b041;
            text-shadow: 0 2px 8px rgba(245, 176, 65, 0.25);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f7c35c;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar {
            display: flex;
            gap: 8px 18px;
            flex-wrap: wrap;
            align-items: center;
        }
        .navbar a {
            color: #e8edf5;
            font-weight: 500;
            font-size: 0.98rem;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
        }
        .navbar a:hover {
            background: rgba(245, 176, 65, 0.15);
            color: #f5b041;
            text-decoration: none;
        }
        .navbar a i {
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .breadcrumb {
            background: #e9edf4;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce2ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #7f8c9b;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c44536;
            font-weight: 600;
        }
        main {
            padding: 36px 0 50px;
        }
        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b0e14;
            margin-bottom: 8px;
        }
        h1 i {
            color: #c44536;
        }
        .subtitle {
            font-size: 1.15rem;
            color: #4a5568;
            margin-bottom: 30px;
            border-left: 4px solid #f5b041;
            padding-left: 18px;
        }
        .update-badge {
            display: inline-block;
            background: #1a232f;
            color: #f5b041;
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.3px;
        }
        .update-badge i {
            margin-right: 6px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0f1a2b;
            margin-top: 48px;
            margin-bottom: 16px;
            border-bottom: 3px solid #f5b041;
            padding-bottom: 8px;
        }
        h2 i {
            color: #c44536;
            margin-right: 10px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a2a3f;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h3 i {
            color: #f5b041;
            margin-right: 8px;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: #2d3748;
        }
        .feature-img {
            margin: 28px 0 32px;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .highlight {
            background: #fef9e7;
            border-left: 5px solid #f5b041;
            padding: 14px 22px;
            border-radius: 0 12px 12px 0;
            margin: 22px 0;
        }
        .highlight strong {
            color: #c44536;
        }
        .btn {
            display: inline-block;
            background: #c44536;
            color: #fff;
            padding: 10px 26px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.2s, transform 0.1s;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #982e1f;
            text-decoration: none;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn i {
            margin-right: 8px;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 22px 20px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            transition: transform 0.2s, box-shadow 0.2s;
            border: 1px solid #eef2f7;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
        }
        .card h4 {
            margin-top: 0;
        }
        .card i {
            color: #c44536;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        .data-table th {
            background: #0b0e14;
            color: #f5b041;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eef2f7;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table tr:hover td {
            background: #f8fafc;
        }
        blockquote {
            background: #edf2f9;
            border-left: 6px solid #c44536;
            padding: 18px 24px;
            margin: 28px 0;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #1a2a3f;
        }
        blockquote footer {
            margin-top: 8px;
            font-weight: 600;
            color: #c44536;
            font-style: normal;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            padding: 18px 22px;
            margin-bottom: 14px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f7;
        }
        .faq-item h4 {
            margin: 0 0 6px;
            color: #0b0e14;
        }
        .faq-item h4 i {
            color: #f5b041;
            margin-right: 10px;
        }
        .form-section {
            background: #fff;
            border-radius: 18px;
            padding: 28px 30px;
            margin: 40px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f7;
        }
        .form-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #1a2a3f;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #f5b041;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #dce2ec;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.15s;
            color: #dce2ec;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b041;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (max-width:600px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .links-list {
            background: #fff;
            border-radius: 16px;
            padding: 22px 26px;
            margin: 30px 0;
            border: 1px solid #eef2f7;
        }
        .links-list ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 8px 18px;
        }
        .links-list li {
            padding: 6px 0;
        }
        .links-list li a {
            font-weight: 500;
        }
        .links-list li a i {
            color: #c44536;
            width: 20px;
            margin-right: 6px;
        }
        .site-footer {
            background: #0b0e14;
            color: #cdd5e0;
            padding: 40px 0 30px;
            margin-top: 50px;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .site-footer h4 {
            color: #f5b041;
            margin-top: 0;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b0c4d8;
        }
        .site-footer a:hover {
            color: #f5b041;
        }
        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid #1f2a38;
            padding-top: 20px;
            margin-top: 10px;
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c9b;
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
        }
        @media (max-width: 800px) {
            .site-footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 14px;
                gap: 4px;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .form-section {
                padding: 18px 16px;
            }
            .links-list ul {
                grid-template-columns: 1fr;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }