        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f0f7fb;
            color: #1a2a3a;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #0077b6;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #023e8a;
            text-decoration: underline;
        }
        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: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b2a3e 0%, #1a4a6e 100%);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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: #ffb703;
            text-shadow: 2px 2px 0 #023e8a;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.04);
            text-decoration: none;
            color: #ffb703;
        }
        .my-logo i {
            margin-right: 0.3rem;
            color: #ffb703;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #caf0f8;
            display: block;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0f2fe;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffb703;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #ffb703;
            color: #0b2a3e;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 0.3rem;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 28px;
            height: 3px;
            background: #ffb703;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .breadcrumb {
            background: #e6f0f7;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #cde0e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #6c8a9e;
        }
        .breadcrumb a {
            color: #0077b6;
        }
        .breadcrumb .current {
            color: #1a2a3a;
            font-weight: 600;
        }
        main {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b2a3e;
            margin-bottom: 1.2rem;
            line-height: 1.2;
            border-left: 6px solid #ffb703;
            padding-left: 1.2rem;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0b2a3e;
            margin-top: 3rem;
            margin-bottom: 1rem;
            border-bottom: 3px solid #ffb703;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a4a6e;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2a5a7e;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #2a4a5e;
        }
        .section-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 1.8rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e3edf4;
            transition: box-shadow 0.2s;
        }
        .section-card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #e6f7ff;
            border-left: 6px solid #0077b6;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .emoji-big {
            font-size: 2.4rem;
            display: inline-block;
            margin-right: 0.3rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.2rem;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: #f5faff;
            border-radius: 12px;
            padding: 1.2rem;
            text-align: center;
            border: 1px solid #dae8f0;
        }
        .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0077b6;
            display: block;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: #4a6a7e;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 0.8rem;
            list-style: none;
            padding: 0;
            margin: 1.2rem 0;
        }
        .link-list li a {
            display: block;
            padding: 0.6rem 1rem;
            background: #f5faff;
            border-radius: 10px;
            border: 1px solid #dae8f0;
            font-weight: 500;
            transition: background 0.2s, border-color 0.2s;
        }
        .link-list li a:hover {
            background: #ffb703;
            border-color: #ffb703;
            color: #0b2a3e;
            text-decoration: none;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            background: #f5faff;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #4a6a7e;
            text-align: center;
            border-radius: 0 0 12px 12px;
        }
        .form-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid #e3edf4;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            margin-bottom: 2rem;
        }
        .form-card label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1a2a3a;
        }
        .form-card input,
        .form-card textarea,
        .form-card select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dae8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fafcff;
            margin-bottom: 1rem;
        }
        .form-card input:focus,
        .form-card textarea:focus,
        .form-card select:focus {
            border-color: #0077b6;
            outline: none;
            background: #fff;
        }
        .form-card textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.7rem 2rem;
            background: #0077b6;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn:hover {
            background: #023e8a;
            transform: scale(1.02);
        }
        .btn-warning {
            background: #ffb703;
            color: #0b2a3e;
        }
        .btn-warning:hover {
            background: #e8a500;
            color: #0b2a3e;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .star-rating i.active {
            color: #ffb703;
        }
        .star-rating i:hover {
            color: #ffb703;
        }
        .comment-item {
            background: #f5faff;
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin-bottom: 1rem;
            border: 1px solid #dae8f0;
        }
        .comment-item .meta {
            font-size: 0.85rem;
            color: #6c8a9e;
            margin-bottom: 0.3rem;
        }
        .comment-item .name {
            font-weight: 700;
            color: #0b2a3e;
        }
        .comment-item .rating-stars {
            color: #ffb703;
            font-size: 0.9rem;
        }
        .site-footer {
            background: #0b2a3e;
            color: #caf0f8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #90e0ef;
        }
        .site-footer a:hover {
            color: #ffb703;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #ffb703;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            margin-bottom: 0.3rem;
        }
        .copyright {
            border-top: 1px solid #1a4a6e;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 0.5rem;
        }
        .last-updated {
            display: inline-block;
            background: #e6f0f7;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #4a6a7e;
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 1rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .section-card {
                padding: 1.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 1.2rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 0.6rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #0077b6;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: background 0.2s, transform 0.2s;
            z-index: 50;
            border: none;
            cursor: pointer;
        }
        .scroll-top:hover {
            background: #023e8a;
            transform: translateY(-4px);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.95rem;
        }
        .data-table th,
        .data-table td {
            padding: 0.7rem 1rem;
            border: 1px solid #dae8f0;
            text-align: left;
        }
        .data-table th {
            background: #0b2a3e;
            color: #fff;
            font-weight: 600;
        }
        .data-table tr:nth-child(even) {
            background: #f5faff;
        }
        .data-table tr:hover {
            background: #e6f7ff;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        friend-link a {
            padding: 0.3rem 0.8rem;
            background: #1a4a6e;
            border-radius: 20px;
            color: #caf0f8;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: #ffb703;
            color: #0b2a3e;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 160px;
        }
        .search-form .btn {
            flex-shrink: 0;
        }
