*,
        *::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: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0f3b5e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #d97706;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f172a;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.75rem;
            border-left: 5px solid #d97706;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 2rem;
            margin-bottom: 0.5rem;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.5rem;
            margin-bottom: 0.4rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a1f2e 0%, #1a3a4a 100%);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(251, 191, 36, 0.2);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #fcd34d;
        }
        .my-logo span {
            color: #94a3b8;
            font-weight: 300;
            font-size: 1rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #fbbf24;
            border-radius: 6px;
            color: #fbbf24;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(251, 191, 36, 0.15);
        }
        .main-nav {
            display: flex;
            gap: 1.8rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
        }
        .breadcrumb-wrap {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d1d9e6;
        }
        .breadcrumb-wrap .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem;
        }
        .breadcrumb-wrap a {
            color: #334155;
        }
        .breadcrumb-wrap a:hover {
            color: #d97706;
        }
        .breadcrumb-wrap .sep {
            color: #94a3b8;
            margin: 0 0.2rem;
        }
        .breadcrumb-wrap .current {
            color: #0f3b5e;
            font-weight: 600;
        }
        .search-section {
            background: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 40px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #cbd5e1;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.8rem 1.4rem;
            border: none;
            outline: none;
            font-size: 1rem;
            background: #fff;
            min-width: 0;
        }
        .search-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0 1.6rem;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #d97706;
        }
        .hero {
            background: linear-gradient(145deg, #f8fafc 0%, #eef2f7 100%);
            padding: 2.5rem 0 1.8rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.5rem;
            color: #0a1f2e;
        }
        .hero .sub-title {
            font-size: 1.1rem;
            color: #475569;
            max-width: 800px;
        }
        .hero .update-badge {
            display: inline-block;
            background: #d97706;
            color: #fff;
            padding: 0.25rem 1.2rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 0.6rem;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            padding: 2rem 2.2rem;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .content-body .featured-img {
            border-radius: 14px;
            margin: 1.8rem 0;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 1.6rem;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 0.8rem;
            border-left: 4px solid #d97706;
            padding-left: 0.7rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .rating-area {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.8rem;
            margin: 2.5rem 0 1.5rem;
            border: 1px solid #e2e8f0;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #fbbf24;
            cursor: pointer;
            margin: 0.6rem 0 0.8rem;
        }
        .rating-stars i {
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .rating-stars .fa-regular {
            color: #cbd5e1;
        }
        .rating-form button,
        .comment-form button {
            background: #0f3b5e;
            color: #fff;
            border: none;
            padding: 0.6rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #d97706;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border-radius: 10px;
            border: 1px solid #cbd5e1;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #0f3b5e;
            outline: none;
            box-shadow: 0 0 0 3px rgba(15, 59, 94, 0.1);
        }
        .comment-form .input-group {
            display: flex;
            gap: 1rem;
            margin-bottom: 0.8rem;
            flex-wrap: wrap;
        }
        .comment-form .input-group input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1.2rem;
            border-radius: 8px;
            border: 1px solid #cbd5e1;
            font-size: 0.95rem;
        }
        friend-link {
            display: block;
            background: #1e293b;
            color: #e2e8f0;
            padding: 1.8rem 0;
            margin-top: 2rem;
            border-top: 4px solid #d97706;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2.5rem;
            justify-content: center;
        }
        friend-link a {
            color: #fbbf24;
            font-weight: 500;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer {
            background: #0a1f2e;
            color: #94a3b8;
            padding: 1.8rem 0;
            font-size: 0.9rem;
            text-align: center;
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }
        .site-footer .copy {
            color: #64748b;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.6rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.8rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 0.4rem 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .content-body {
                padding: 1.2rem 1rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form button {
                padding: 0.7rem;
                justify-content: center;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
            .comment-form .input-group {
                flex-direction: column;
            }
            .comment-form .input-group input {
                min-width: unset;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb-wrap .container {
                font-size: 0.8rem;
            }
            friend-link .container {
                flex-direction: column;
                align-items: center;
                gap: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .content-body {
                padding: 0.9rem 0.8rem;
            }
            .rating-area {
                padding: 1rem;
            }
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #d97706;
            padding: 1.2rem 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.5rem 0;
        }
        .tip-box {
            background: #eef6ff;
            border-left: 5px solid #0f3b5e;
            padding: 1rem 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.2rem 0;
        }
        .emoji-big {
            font-size: 1.6rem;
            margin-right: 0.3rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #f1f5f9;
            padding: 1rem;
            border-radius: 12px;
            text-align: center;
            font-weight: 600;
        }
        .stat-card .num {
            font-size: 1.8rem;
            color: #d97706;
            display: block;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 0.7rem 1rem;
            border: 1px solid #e2e8f0;
            text-align: left;
        }
        .table-wrap th {
            background: #0f3b5e;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8fafc;
        }
        .btn-download {
            display: inline-block;
            background: #d97706;
            color: #fff;
            padding: 0.8rem 2.2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: background 0.25s, transform 0.2s;
            box-shadow: 0 6px 20px rgba(217, 119, 6, 0.25);
        }
        .btn-download:hover {
            background: #b45309;
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-download i {
            margin-right: 0.6rem;
        }