*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1e33 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f5c842;
            text-shadow: 0 2px 8px rgba(245, 200, 66, 0.25);
            transition: transform 0.2s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffd966;
        }
        .my-logo i {
            font-size: 2rem;
            color: #ffb347;
        }
        .my-logo span {
            font-weight: 300;
            color: #aac9e8;
            font-size: 0.9rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0edf7;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #f5c842;
            border-bottom-color: #f5c842;
        }
        .main-nav a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: opacity 0.2s;
        }
        .hamburger:hover {
            opacity: 0.75;
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: #4a5b6e;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #7f8c9b;
            margin-right: 0.6rem;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #0f3b5e;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb .current {
            color: #4a5b6e;
            font-weight: 500;
        }
        .hero-section {
            background: linear-gradient(145deg, #f0f4fa 0%, #e2eaf3 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid #d0dce8;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0b1e33;
            margin-bottom: 1rem;
        }
        .hero-content h1 i {
            color: #e67e22;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: #2c3e50;
            margin-bottom: 1.2rem;
            max-width: 90%;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.9rem;
            color: #4a5b6e;
        }
        .hero-meta i {
            margin-right: 0.4rem;
            color: #e67e22;
        }
        .hero-image {
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
            background: #fff;
            padding: 0.5rem;
        }
        .hero-image img {
            border-radius: 12px;
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #d9e2ec;
        }
        section {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0b1e33;
            margin-bottom: 1.2rem;
            border-left: 5px solid #e67e22;
            padding-left: 1rem;
        }
        .section-title i {
            color: #e67e22;
            margin-right: 0.5rem;
        }
        .section-subtitle {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1a3a5c;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        .section-subtitle i {
            margin-right: 0.4rem;
            color: #0f3b5e;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            transition: transform 0.25s, box-shadow 0.3s;
            border: 1px solid #e9edf2;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }
        .card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #0b1e33;
            margin-bottom: 0.5rem;
        }
        .card p {
            font-size: 0.95rem;
            color: #3a4b5e;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 12px;
            border: 1px solid #dce3ec;
            background: #fff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.85rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e9edf2;
        }
        th {
            background: #0b1e33;
            color: #fff;
            font-weight: 600;
            white-space: nowrap;
        }
        tr:nth-child(even) {
            background: #f6f9fc;
        }
        tr:hover td {
            background: #edf3f9;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2eaf3;
            max-width: 700px;
            margin: 1.5rem 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0.35rem;
            color: #1e293b;
        }
        .form-group label i {
            margin-right: 0.4rem;
            color: #e67e22;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #ccd7e4;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #fafcfe;
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #0f3b5e;
            box-shadow: 0 0 0 3px rgba(15, 59, 94, 0.12);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            background: #0b1e33;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            font-family: inherit;
        }
        .btn:hover {
            background: #1a3a5c;
            transform: scale(1.02);
        }
        .btn i {
            font-size: 0.9rem;
        }
        .btn-accent {
            background: #e67e22;
        }
        .btn-accent:hover {
            background: #cf6d17;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 0.3rem;
            justify-content: flex-end;
            margin: 0.5rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ccd7e4;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label i {
            font-size: 2rem;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
            transform: scale(1.05);
        }
        .site-footer {
            background: #0b1e33;
            color: #cbdae8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f5c842;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid a {
            color: #aac9e8;
            display: block;
            margin-bottom: 0.4rem;
        }
        .footer-grid a:hover {
            color: #f5c842;
        }
        .footer-bottom {
            border-top: 1px solid #1f3d5a;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #889fb5;
        }
        .footer-bottom a {
            color: #f5c842;
        }
        .footer-bottom a:hover {
            color: #ffd966;
        }
        .footer-bottom i {
            margin: 0 0.3rem;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            font-size: 0.95rem;
            color: #aac9e8;
        }
        friend-link a {
            color: #f5c842;
            margin: 0 0.3rem;
        }
        friend-link a:hover {
            color: #ffd966;
        }
        @media (max-width: 860px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .hero-content p {
                max-width: 100%;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1e33;
                padding: 1rem 0.5rem;
                border-radius: 0 0 16px 16px;
                gap: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                border-bottom: 1px solid #1f3d5a;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .nav-overlay.open {
                display: block;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0, 0, 0, 0.3);
                z-index: -1;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .form-card {
                padding: 1.2rem;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
            .star-rating label i {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 540px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .container {
                padding: 0 1rem;
            }
            section {
                padding: 1.8rem 0;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 0.2rem 0.5rem;
            }
        }
        .highlight {
            background: #fff8e0;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #e67e22;
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.7rem;
            border-radius: 40px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .text-accent {
            color: #e67e22;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }
        .gap-2 {
            gap: 2rem;
        }
        .no-bullet {
            list-style: none;
            padding-left: 0;
        }
        .inline-icon {
            margin-right: 0.3rem;
            color: #e67e22;
        }