*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1a5f8a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #d4a017;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.9rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            border-left: 6px solid #d4a017;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.15rem;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
            color: #2c4a6e;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        ul,
        ol {
            margin: 0.8rem 0 1.2rem 1.8rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1c2f 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.3rem 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffd966;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            letter-spacing: -0.5px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffe68f;
            text-decoration: none;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 1.8rem;
            padding: 0.2rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8f0fe;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd966;
            text-decoration: none;
        }
        .nav-active {
            background: rgba(212, 160, 23, 0.25);
            color: #ffd966;
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 0.7rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d9e3;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin: 0 0.6rem;
            color: #7a8a9e;
        }
        .breadcrumb a {
            color: #1a5f8a;
        }
        .breadcrumb .current {
            color: #4a5a6e;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(145deg, #0d2840, #1b4a6e);
            color: #fff;
            padding: 3rem 0 2.5rem;
            margin-bottom: 2rem;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 0.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 750px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
            font-size: 0.95rem;
            opacity: 0.8;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin: 2rem 0;
        }
        .card {
            background: #fff;
            border-radius: 18px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
            transition: transform 0.25s, box-shadow 0.25s;
            border: 1px solid #eaf0f6;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
        }
        .card i {
            font-size: 2.2rem;
            color: #d4a017;
            margin-bottom: 0.6rem;
        }
        .card h3 {
            margin-top: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
            border-radius: 14px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.98rem;
        }
        th,
        td {
            padding: 0.9rem 1.2rem;
            text-align: left;
            border-bottom: 1px solid #e2e9f0;
        }
        th {
            background: #0b1c2f;
            color: #ffd966;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f6faff;
        }
        .interact-section {
            background: #fff;
            border-radius: 24px;
            padding: 2rem 2rem 2.5rem;
            margin: 2.5rem 0;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8eef5;
        }
        .interact-section h2 {
            border-left-color: #1a5f8a;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e3a5f;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #dce5ef;
            border-radius: 12px;
            font-size: 1rem;
            transition: border 0.2s;
            background: #fafcff;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #1a5f8a;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #1a5f8a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #d4a017;
            color: #0b1c2f;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #e9eef3;
            color: #1e2a3a;
        }
        .btn-secondary:hover {
            background: #d0d9e3;
            color: #0b1c2f;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #d0d9e3;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        friend-link {
            display: block;
            background: #0b1c2f;
            color: #e8f0fe;
            padding: 2rem 0;
            margin-top: 2.5rem;
            border-radius: 30px 30px 0 0;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem 2rem;
            justify-content: center;
            align-items: center;
        }
        friend-link a {
            color: #ffd966;
            font-weight: 500;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }
        friend-link .label {
            font-weight: 700;
            color: #fff;
            opacity: 0.6;
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        footer {
            background: #061220;
            color: #b0c4d9;
            padding: 1.8rem 0;
            text-align: center;
            font-size: 0.9rem;
        }
        footer .copyright {
            opacity: 0.7;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 560px;
            margin: 1.2rem 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border: 2px solid #dce5ef;
            border-radius: 40px;
            font-size: 1rem;
            background: #fff;
        }
        .search-form input:focus {
            border-color: #1a5f8a;
            outline: none;
        }
        .search-form button {
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.8rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 12px;
                width: 100%;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .header-inner {
                padding: 0.2rem 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .interact-section {
                padding: 1.5rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.7rem;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 100%;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .highlight-box {
            background: #eef6fb;
            border-left: 6px solid #d4a017;
            padding: 1.2rem 1.8rem;
            border-radius: 0 16px 16px 0;
            margin: 1.6rem 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 0.3rem;
        }
        .tag {
            display: inline-block;
            background: #d4a017;
            color: #0b1c2f;
            padding: 0.1rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .text-muted {
            color: #5a6e82;
        }
        .mt-2 {
            margin-top: 1.8rem;
        }
        .mb-1 {
            margin-bottom: 0.6rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
        }
        .gap-1 {
            gap: 1rem;
        }