*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2d6a9f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1a3e6b;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1a2e;
            margin-top: 0;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #e0e7f0;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.7rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2a4a 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.03em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: #f7c948;
            font-size: 1.9rem;
        }
        .my-logo:hover {
            color: #f7c948;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #a0b8d4;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            color: #d0dce8;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
        }
        .nav-list li a:hover {
            color: #f7c948;
            border-bottom-color: #f7c948;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            color: #4a5a6e;
        }
        .breadcrumb-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb-inner a {
            color: #2d6a9f;
        }
        .breadcrumb-inner .separator {
            color: #9aabbe;
            margin: 0 0.2rem;
        }
        .breadcrumb-inner .current {
            color: #1a2a4a;
            font-weight: 600;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .hero-section {
            background: linear-gradient(145deg, #e8edf6, #dce3ef);
            border-radius: 20px;
            padding: 2.5rem 2.8rem;
            margin-bottom: 2.5rem;
            border: 1px solid #d0dae8;
            box-shadow: 0 8px 30px rgba(15, 26, 46, 0.06);
        }
        .hero-section p {
            font-size: 1.15rem;
            color: #2a3a4e;
        }
        .hero-section .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            font-size: 0.95rem;
            color: #4a5e72;
            margin-top: 1rem;
        }
        .hero-section .meta-info i {
            margin-right: 0.3rem;
            color: #2d6a9f;
        }
        .feature-image-wrap {
            margin: 2rem 0 2.5rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            background: #eef2f7;
        }
        .feature-image-wrap img {
            width: 100%;
            object-fit: cover;
            min-height: 220px;
            background: #dce3ef;
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .highlight-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            border: 1px solid #e4eaf2;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(15, 26, 46, 0.08);
        }
        .highlight-card i {
            font-size: 2rem;
            color: #2d6a9f;
            margin-bottom: 0.8rem;
        }
        .highlight-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
        }
        .form-section {
            background: #ffffff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            margin: 2.5rem 0;
            border: 1px solid #e4eaf2;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
        }
        .form-section h2 {
            border-bottom: none;
            margin-top: 0;
            padding-bottom: 0;
        }
        .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: 0.7rem 1rem;
            border: 2px solid #dce3ef;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #f8f9fc;
            transition: border-color 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #2d6a9f;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: #2d6a9f;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: #1a3e6b;
            transform: translateY(-1px);
        }
        .btn i {
            margin-right: 0.4rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ccd6e0;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f7b731;
        }
        .comment-item {
            background: #f8f9fc;
            border-radius: 12px;
            padding: 1.2rem 1.4rem;
            margin-bottom: 1rem;
            border-left: 4px solid #2d6a9f;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0f1a2e;
        }
        .comment-item .date {
            font-size: 0.85rem;
            color: #6a7e92;
            margin-left: 0.6rem;
        }
        .comment-item .text {
            margin-top: 0.4rem;
        }
        .site-footer {
            background: #0f1a2e;
            color: #b0c4d8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner a {
            color: #a0b8d4;
            display: block;
            padding: 0.2rem 0;
            font-size: 0.95rem;
        }
        .footer-inner a:hover {
            color: #f7c948;
            text-decoration: none;
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 1px solid #1a2a4a;
            margin-top: 1.5rem;
            font-size: 0.95rem;
        }
        friend-link a {
            color: #a0b8d4;
            margin: 0 0.6rem 0 0;
        }
        friend-link a:hover {
            color: #f7c948;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid #1a2a4a;
            font-size: 0.9rem;
            color: #6a7e92;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
                margin-top: 2rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-section {
                padding: 1.6rem 1.4rem;
            }
            .form-section {
                padding: 1.4rem 1.2rem;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1a2e;
                padding: 1rem 0;
                gap: 0.6rem;
                border-top: 1px solid #1a2a4a;
                margin-top: 0.6rem;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1.2rem;
                display: block;
                border-bottom: none;
            }
            .hamburger {
                display: block;
            }
            .breadcrumb-inner {
                font-size: 0.8rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .hero-section {
                padding: 1.2rem 1rem;
            }
            .form-section {
                padding: 1rem 0.8rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .star-rating {
                font-size: 1.4rem;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #4a5e72;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .badge {
            display: inline-block;
            background: #e8edf6;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #1a2a4a;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.98rem;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            border: 1px solid #dce3ef;
            text-align: left;
        }
        table th {
            background: #e8edf6;
            font-weight: 700;
            color: #0f1a2e;
        }
        table tr:nth-child(even) {
            background: #f8f9fc;
        }
        blockquote {
            border-left: 4px solid #2d6a9f;
            padding: 0.8rem 1.2rem;
            margin: 1.5rem 0;
            background: #f0f4fa;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3a4e;
        }