*,
        *::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: #f9fbfd;
            color: #1a2634;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #004d99;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.6rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e 0%, #1a3448 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            border-bottom: 3px solid #f9c74f;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.88;
            text-decoration: none;
            color: #f9c74f;
        }
        .my-logo i {
            color: #f9c74f;
            font-size: 2rem;
        }
        .my-logo span {
            background: linear-gradient(135deg, #f9c74f, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8edf2;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            text-decoration: none;
            position: relative;
        }
        .nav-menu a:hover {
            background: rgba(249, 199, 79, 0.18);
            color: #f9c74f;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .hamburger:hover {
            border-color: #f9c74f;
            color: #f9c74f;
        }
        .breadcrumb {
            background: #f0f4f8;
            padding: 12px 0;
            border-bottom: 1px solid #dce4ec;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #7f8c9b;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c5282;
        }
        .breadcrumb .current {
            color: #1a2634;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f2b3d, #1f4a5f);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
            border-bottom: 4px solid #f9c74f;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: #f9c74f;
            margin-right: 12px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 780px;
            margin: 0 auto 20px;
            opacity: 0.92;
        }
        .hero .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(249, 199, 79, 0.2);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.95rem;
            border: 1px solid rgba(249, 199, 79, 0.3);
            color: #f9c74f;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
            border: 1px solid #dce4ec;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 4px 24px rgba(0, 102, 204, 0.15);
            border-color: #0066cc;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 16px 24px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            color: #1a2634;
        }
        .search-form button {
            background: #0066cc;
            color: #fff;
            border: none;
            padding: 0 32px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #004d99;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        @media(max-width:992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .content-card {
            background: #fff;
            border-radius: 20px;
            padding: 32px 36px;
            margin-bottom: 36px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
            transition: box-shadow 0.3s;
        }
        .content-card:hover {
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.06);
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: #0b1a2e;
            margin-bottom: 20px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f9c74f;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #1a3448;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c5282;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .content-card p {
            margin-bottom: 18px;
            color: #2d3748;
        }
        .content-card strong {
            color: #0b1a2e;
        }
        .content-card em {
            color: #2c5282;
        }
        .feature-img {
            margin: 28px 0 24px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .feature-img img {
            width: 100%;
            object-fit: cover;
        }
        .feature-img figcaption {
            background: #f0f4f8;
            padding: 10px 18px;
            font-size: 0.9rem;
            color: #4a5a6e;
            text-align: center;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            padding: 0;
            list-style: none;
            margin: 18px 0;
        }
        .link-list-inline li {
            margin: 0;
        }
        .link-list-inline a {
            background: #f0f4f8;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1a3448;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .link-list-inline a:hover {
            background: #0066cc;
            color: #fff;
            text-decoration: none;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #0066cc;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box.warning {
            background: #fff8e8;
            border-left-color: #f9c74f;
        }
        .highlight-box.tip {
            background: #e6f7ed;
            border-left-color: #2d8a5e;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f0f4f8;
            padding: 18px 16px;
            border-radius: 12px;
            text-align: center;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #0b1a2e;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #4a5a6e;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0;
        }
        @media(max-width:680px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .comment-box,
        .score-box {
            background: #f8fafc;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e2e8f0;
        }
        .comment-box h4,
        .score-box h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.1rem;
        }
        .comment-box textarea,
        .score-box input,
        .score-box select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #d0d8e2;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
            margin-bottom: 12px;
        }
        .comment-box textarea:focus,
        .score-box input:focus,
        .score-box select:focus {
            border-color: #0066cc;
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
        }
        .comment-box textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0066cc;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #004d99;
            transform: translateY(-1px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #2d3748;
        }
        .btn-secondary:hover {
            background: #1a2634;
        }
        .btn i {
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin-bottom: 12px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars input:checked~label,
        .rating-stars label:hover,
        .rating-stars label:hover~label {
            color: #f9c74f;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 20px;
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid #eef2f6;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
        }
        .sidebar-card h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #f9c74f;
            padding-bottom: 8px;
            display: inline-block;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 12px 0 0;
        }
        .sidebar-links li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f2f5;
            margin: 0;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .sidebar-links a i {
            color: #f9c74f;
            font-size: 0.85rem;
        }
        .site-footer {
            background: #0b1a2e;
            color: #cbd5e0;
            padding: 40px 0 20px;
            border-top: 4px solid #f9c74f;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-grid h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #f9c74f;
            padding-bottom: 6px;
            display: inline-block;
        }
        .footer-grid p {
            color: #a0b3c9;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 8px 0 0;
        }
        .footer-links li {
            margin: 0;
            padding: 4px 0;
        }
        .footer-links a {
            color: #a0b3c9;
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: #f9c74f;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 16px 20px;
            margin-top: 12px;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        friend-link a {
            color: #f9c74f;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #fff;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c9b;
        }
        .copyright strong {
            color: #cbd5e0;
        }
        @media(max-width:900px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.06);
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-card {
                padding: 20px 18px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media(max-width:480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .search-form input {
                padding: 12px 16px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0 18px;
                font-size: 0.9rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }
        .toast-msg {
            background: #0b1a2e;
            color: #fff;
            padding: 12px 20px;
            border-radius: 12px;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 8px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }