* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6600;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0a1f3f 0%, #1a3a6b 100%);
            padding: 16px 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;
            background: linear-gradient(135deg, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #ccc;
            color: #ccc;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .my-logo a {
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links li a {
            color: #eef5ff;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.25s;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-links li a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #fff;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e0e7ef;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 10px;
            color: #999;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c5f8a;
        }
        .breadcrumb .current {
            color: #777;
            font-weight: 500;
        }
        .page-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .page-wrap {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .main-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 12px;
            color: #0a1f3f;
        }
        .main-content .meta {
            color: #5a6a7a;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 24px;
            border-bottom: 1px solid #e0e7ef;
            padding-bottom: 16px;
        }
        .main-content .meta i {
            margin-right: 6px;
            color: #0057b3;
        }
        .main-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 48px 0 16px;
            color: #0f2b4f;
            border-left: 5px solid #ff6600;
            padding-left: 18px;
        }
        .main-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 36px 0 12px;
            color: #1a3a6b;
        }
        .main-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 24px 0 8px;
            color: #2c5f8a;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #1f2a3e;
        }
        .main-content ul,
        .main-content ol {
            margin: 12px 0 24px 24px;
        }
        .main-content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .main-content .highlight-box {
            background: linear-gradient(135deg, #eef7ff, #fff5e6);
            border-radius: 16px;
            padding: 28px 32px;
            margin: 32px 0;
            border-left: 6px solid #ff6600;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        }
        .main-content .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .main-content .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .main-content .stat-card {
            background: #fff;
            border-radius: 14px;
            padding: 24px 20px;
            text-align: center;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf4;
            transition: transform 0.2s;
        }
        .main-content .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        }
        .main-content .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #0057b3;
        }
        .main-content .stat-card .label {
            font-size: 0.95rem;
            color: #5a6a7a;
            margin-top: 4px;
        }
        .main-content .image-wrapper {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .main-content .image-wrapper figcaption {
            background: #f0f4fa;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #3a4a5a;
            font-style: italic;
        }
        .main-content .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 12px;
            border: 1px solid #e0e7ef;
        }
        .main-content table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            font-size: 0.98rem;
        }
        .main-content th {
            background: #0a1f3f;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        .main-content td {
            padding: 12px 18px;
            border-bottom: 1px solid #e8edf4;
        }
        .main-content tr:nth-child(even) td {
            background: #f8faff;
        }
        .main-content .btn {
            display: inline-block;
            background: #0057b3;
            color: #fff;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            border: none;
            cursor: pointer;
        }
        .main-content .btn:hover {
            background: #ff6600;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 102, 0, 0.25);
            text-decoration: none;
            color: #fff;
        }
        .sidebar {
            background: #fff;
            border-radius: 18px;
            padding: 28px 24px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0a1f3f;
            margin-bottom: 18px;
            border-bottom: 3px solid #ff6600;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 12px;
        }
        .sidebar ul li a {
            color: #1f3a5e;
            font-weight: 500;
            display: block;
            padding: 6px 0;
            border-bottom: 1px solid #f0f4fa;
            transition: 0.2s;
        }
        .sidebar ul li a:hover {
            color: #ff6600;
            padding-left: 6px;
            text-decoration: none;
        }
        .sidebar .link-list-title {
            font-weight: 700;
            margin-top: 20px;
            color: #0a1f3f;
            font-size: 1.05rem;
        }
        .search-box {
            background: #f4f7fb;
            border-radius: 50px;
            display: flex;
            overflow: hidden;
            border: 1px solid #dce3ec;
            margin-bottom: 24px;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 12px 20px;
            font-size: 0.95rem;
            background: transparent;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 12px 24px;
            cursor: pointer;
            font-size: 1rem;
            transition: 0.2s;
            font-weight: 600;
        }
        .search-box button:hover {
            background: #ff6600;
        }
        .feedback-section {
            background: #fff;
            border-radius: 18px;
            padding: 32px 28px;
            margin: 48px 0 20px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8edf4;
        }
        .feedback-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0a1f3f;
            margin-bottom: 8px;
        }
        .feedback-section .sub {
            color: #5a6a7a;
            margin-bottom: 24px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .form-row.single {
            grid-template-columns: 1fr;
        }
        .feedback-section input,
        .feedback-section textarea,
        .feedback-section select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #dce3ec;
            border-radius: 10px;
            font-size: 0.98rem;
            font-family: inherit;
            background: #fafcff;
            transition: border 0.2s;
        }
        .feedback-section input:focus,
        .feedback-section textarea:focus {
            border-color: #0057b3;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 87, 179, 0.1);
        }
        .feedback-section textarea {
            min-height: 110px;
            resize: vertical;
        }
        .feedback-section .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 1.8rem;
            color: #ffb83b;
            margin: 8px 0 16px;
            cursor: pointer;
        }
        .feedback-section .rating-stars i {
            transition: transform 0.15s;
        }
        .feedback-section .rating-stars i:hover {
            transform: scale(1.2);
        }
        .feedback-section .btn-submit {
            background: #0057b3;
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-section .btn-submit:hover {
            background: #ff6600;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 102, 0, 0.2);
        }
        footer {
            background: #0a1f3f;
            color: #ccdbe9;
            padding: 48px 0 28px;
            margin-top: 40px;
            border-top: 4px solid #ff6600;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        footer h4 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        footer a {
            color: #aac3df;
        }
        footer a:hover {
            color: #ff6600;
        }
        footer .friend-link {
            display: block;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.9rem;
            color: #8da3be;
            margin-top: 16px;
        }
        footer .copyright strong {
            color: #eef5ff;
        }
        footer .social-icons {
            display: flex;
            gap: 14px;
            font-size: 1.3rem;
            margin-top: 10px;
        }
        footer .social-icons a {
            color: #ccdbe9;
            transition: 0.2s;
        }
        footer .social-icons a:hover {
            color: #ff6600;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 14px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 18px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
                border: none;
            }
            .hamburger {
                display: block;
            }
            .main-content h1 {
                font-size: 1.9rem;
            }
            .main-content h2 {
                font-size: 1.5rem;
            }
            .main-content h3 {
                font-size: 1.2rem;
            }
            .page-wrap {
                padding: 24px 0;
            }
            .sidebar {
                position: static;
                margin-top: 20px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .feedback-section {
                padding: 24px 18px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .main-content h1 {
                font-size: 1.6rem;
            }
            .main-content .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0057b3;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 6px 20px rgba(0, 87, 179, 0.3);
            transition: 0.25s;
            border: none;
            cursor: pointer;
            z-index: 999;
        }
        .scroll-top:hover {
            background: #ff6600;
            transform: translateY(-4px);
        }