*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e67e22;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: #0c2d48;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.6em;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 6px solid #e67e22;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1a4a6e;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c5f7e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.4rem 2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        hr {
            border: none;
            border-top: 2px solid #dde7f0;
            margin: 2.5rem 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 0.5rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0c2d48, #1a4a6e);
            color: #fff;
            padding: 1rem 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 30px rgba(12, 45, 72, 0.25);
            margin-bottom: 2rem;
            position: relative;
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0 1.5rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #f7c948, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo small {
            font-size: 0.8rem;
            font-weight: 400;
            -webkit-text-fill-color: #aac9e0;
            color: #aac9e0;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #e2edf7;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f7c948;
        }
        .main-nav a.active {
            background: #e67e22;
            color: #fff;
        }
        .breadcrumb {
            padding: 0.8rem 1.5rem 0.2rem;
            font-size: 0.9rem;
            color: #aac9e0;
        }
        .breadcrumb a {
            color: #c9dcec;
        }
        .breadcrumb a:hover {
            color: #f7c948;
        }
        .breadcrumb span {
            color: #f7c948;
        }
        .search-box {
            background: #fff;
            border-radius: 50px;
            display: flex;
            align-items: center;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
            max-width: 480px;
            margin: 0.5rem 0 1.8rem;
            border: 1px solid #dde7f0;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 1rem;
            padding: 0.6rem 0;
            background: transparent;
            color: #1e293b;
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .search-box button {
            background: #e67e22;
            border: none;
            color: #fff;
            padding: 0.6rem 1.4rem;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-box button:hover {
            background: #cf6d17;
        }
        .section-card {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2rem 1.8rem;
            margin-bottom: 2.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef4f9;
            transition: box-shadow 0.3s;
        }
        .section-card:hover {
            box-shadow: 0 8px 35px rgba(12, 45, 72, 0.08);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.8rem;
            margin: 1.8rem 0;
        }
        .feature-item {
            background: #f1f7fc;
            border-radius: 16px;
            padding: 1.6rem 1.2rem;
            transition: transform 0.2s, background 0.2s;
        }
        .feature-item:hover {
            transform: translateY(-4px);
            background: #e8f0f8;
        }
        .feature-item i {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 0.6rem;
        }
        .stat-badge {
            display: inline-block;
            background: #0c2d48;
            color: #f7c948;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.6rem;
        }
        .comment-form textarea {
            width: 100%;
            border: 1px solid #dde7f0;
            border-radius: 14px;
            padding: 1rem;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #e67e22;
            outline: none;
        }
        .comment-form input {
            border: 1px solid #dde7f0;
            border-radius: 14px;
            padding: 0.8rem 1rem;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-form input:focus {
            border-color: #e67e22;
            outline: none;
        }
        .comment-form button {
            align-self: flex-start;
            background: #0c2d48;
            color: #fff;
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form button:hover {
            background: #1a4a6e;
        }
        .rating-stars {
            display: flex;
            gap: 0.2rem;
            font-size: 2rem;
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.15s;
            margin: 0.6rem 0 1rem;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.hovered {
            color: #f7c948;
            transform: scale(1.12);
        }
        .rating-stars i.selected {
            color: #e67e22;
        }
        .rating-result {
            font-weight: 600;
            color: #0c2d48;
        }
        friend-link {
            display: block;
            padding: 2rem 0 1rem;
            border-top: 2px solid #dde7f0;
            margin-top: 2.5rem;
        }
        friend-link a {
            display: inline-block;
            background: #eef4f9;
            padding: 0.4rem 1.2rem;
            border-radius: 30px;
            margin: 0.3rem 0.6rem 0.3rem 0;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #dde7f0;
            color: #0c2d48;
        }
        friend-link .label {
            font-weight: 700;
            color: #0c2d48;
            margin-right: 0.6rem;
        }
        .site-footer {
            background: #0c2d48;
            color: #c9dcec;
            padding: 2rem 1.5rem 1.5rem;
            border-radius: 24px 24px 0 0;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.95rem;
        }
        .site-footer a {
            color: #f7c948;
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .copyright {
            margin-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            font-size: 0.85rem;
            color: #8aaec6;
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 0 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(12, 45, 72, 0.95);
                border-radius: 16px;
                padding: 1rem 0.5rem;
                margin-top: 1rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 12px;
            }
            .section-card {
                padding: 1.4rem 1rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
                padding-left: 0.6rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .search-box {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 30px;
            }
            .search-box input {
                min-width: 140px;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 0.5rem 1rem 0.2rem;
            }
        }
        @media (min-width: 769px) {
            .main-nav {
                display: flex !important;
            }
        }
        .text-muted {
            color: #64748b;
            font-size: 0.9rem;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.8rem;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .emoji-lg {
            font-size: 1.8rem;
            line-height: 1;
        }
        .schema-hidden {
            display: none;
        }
        .hero-img-wrap {
            margin: 1.6rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            background: #dde7f0;
            position: relative;
        }
        .hero-img-wrap img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
            display: block;
        }
        .hero-img-caption {
            background: rgba(12, 45, 72, 0.85);
            color: #f7c948;
            padding: 0.6rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: 0.95rem;
        }
        .data-table th {
            background: #0c2d48;
            color: #f7c948;
            padding: 0.7rem 1rem;
            text-align: left;
        }
        .data-table td {
            padding: 0.6rem 1rem;
            border-bottom: 1px solid #eef4f9;
        }
        .data-table tr:hover td {
            background: #f1f7fc;
        }