*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            line-height: 1.7;
            color: #1e2a3a;
            background: #fafbfc;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1a4b8c;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            border: none;
            border-top: 2px solid #e2e8f0;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a2a4a 100%);
            color: #fff;
            padding: 1rem 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;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.2rem 1.2rem;
            border-radius: 40px;
            border: 2px solid rgba(255, 215, 0, 0.5);
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: #f1c40f;
        }
        .my-logo:hover {
            border-color: #f1c40f;
            background: rgba(255, 215, 0, 0.12);
            text-decoration: none;
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.65rem;
            font-weight: 300;
            opacity: 0.8;
            display: block;
            line-height: 1;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e8edf5;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #f1c40f;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid #e2e8f0;
            padding: 0.7rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #1a4b8c;
        }
        .breadcrumb span {
            color: #5a6a7a;
        }
        .breadcrumb .sep {
            color: #b0bcc8;
            font-weight: 300;
        }
        .content-wrap {
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.04);
            padding: 2.5rem 2.8rem;
            margin: 2rem 0;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #0b1a2e;
            margin-bottom: 0.8rem;
            border-left: 6px solid #f1c40f;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #eef2f7;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 600;
            color: #1a2a4a;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d3f55;
        }
        .lead {
            font-size: 1.2rem;
            color: #1a2a4a;
            font-weight: 400;
            line-height: 1.8;
            background: #f0f4fa;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            border-left: 5px solid #1a4b8c;
        }
        .highlight-box {
            background: #fdf8ed;
            border: 1px solid #f5e6c8;
            border-radius: 14px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }
        .highlight-box strong {
            color: #b8860b;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.2rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f0f4fa;
            padding: 1.2rem 1.5rem;
            border-radius: 14px;
            text-align: center;
            border-bottom: 4px solid #1a4b8c;
            transition: transform 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0b1a2e;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #4a5a6a;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .img-caption {
            font-size: 0.85rem;
            color: #5a6a7a;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .form-section {
            background: #f8fafc;
            border-radius: 18px;
            padding: 2rem 2.2rem;
            margin: 2.2rem 0;
            border: 1px solid #e2e8f0;
        }
        .form-section h3 {
            margin-top: 0;
            border-bottom: none;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1a2a4a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #1a4b8c;
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.1);
        }
        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s;
            background: #1a2a4a;
            color: #fff;
        }
        .btn:hover {
            background: #0b1a2e;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #1a2a4a;
        }
        .btn-secondary:hover {
            background: #d0d8e4;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 2rem;
            margin: 0.6rem 0 1.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #dce3ed;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .comment-item {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin-bottom: 1rem;
            border-left: 4px solid #1a4b8c;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0b1a2e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #7a8a9a;
            margin-left: 1rem;
        }
        .site-footer {
            background: #0b1a2e;
            color: #d0d8e4;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer a {
            color: #b0c4de;
        }
        .site-footer a:hover {
            color: #f1c40f;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0;
            border-top: 1px solid #1a2a4a;
            margin-top: 1.5rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1a2a4a;
            font-size: 0.85rem;
            color: #8a9aaa;
        }
        .schema-hidden {
            display: none;
        }
        @media (max-width: 992px) {
            .content-wrap {
                padding: 1.8rem 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 1rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 0.2rem 0.9rem;
            }
            .content-wrap {
                padding: 1.2rem 1rem;
                border-radius: 12px;
            }
            h1 {
                font-size: 1.7rem;
                padding-left: 0.8rem;
                border-left-width: 4px;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .form-section {
                padding: 1.2rem 1rem;
            }
            .lead {
                font-size: 1.05rem;
                padding: 1rem 1.2rem;
            }
            .breadcrumb-wrap {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo small {
                font-size: 0.55rem;
            }
            .btn {
                padding: 0.6rem 1.4rem;
                font-size: 0.9rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }