*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fa;
            color: #1a1a2e;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus-visible {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(241, 196, 15, 0.2);
        }
        .my-logo:hover {
            text-decoration: none;
            -webkit-text-fill-color: #f1c40f;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #f0f0f0;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f1c40f;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #adb5bd;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
            color: #fff;
            padding: 48px 0 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #f1c40f, #e67e22);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 20px;
            opacity: 0.9;
        }
        .hero .meta-info {
            font-size: 0.95rem;
            opacity: 0.7;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0 60px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .section-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px 36px;
            margin-bottom: 32px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.25s;
        }
        .section-card:hover {
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.07);
        }
        h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
        }
        h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            color: #1a1a2e;
            border-left: 5px solid #c0392b;
            padding-left: 16px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 1.8rem;
            margin-bottom: 0.7rem;
            color: #2d2d44;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.4rem;
            margin-bottom: 0.5rem;
            color: #3d3d5c;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .highlight {
            background: #fef9e7;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 4px solid #f1c40f;
            margin: 20px 0;
        }
        .step-list {
            list-style: none;
            counter-reset: step;
        }
        .step-list li {
            counter-increment: step;
            padding: 12px 0 12px 48px;
            position: relative;
            border-bottom: 1px solid #f0f0f0;
        }
        .step-list li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 12px;
            width: 32px;
            height: 32px;
            background: #c0392b;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: #c0392b;
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            transition: 0.25s;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }
        .btn:hover {
            background: #e74c3c;
            transform: translateY(-2px);
            text-decoration: none;
            color: #fff;
        }
        .btn i {
            margin-right: 8px;
        }
        .link-list {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 10px;
            padding: 0;
        }
        .link-list li a {
            display: block;
            padding: 10px 16px;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 3px solid #c0392b;
            font-weight: 500;
            transition: 0.2s;
        }
        .link-list li a:hover {
            background: #fff3f0;
            transform: translateX(4px);
            text-decoration: none;
        }
        .sidebar-widget {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 12px;
            margin-bottom: 16px;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li+li {
            margin-top: 8px;
        }
        .sidebar-widget a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
        }
        .sidebar-widget a i {
            color: #c0392b;
            width: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 4px;
            font-size: 1.4rem;
            color: #f1c40f;
            cursor: pointer;
            margin: 12px 0;
        }
        .rating-stars i {
            transition: 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            transform: scale(1.15);
            color: #f39c12;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 16px 0;
        }
        .search-form input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: 0.2s;
            outline: none;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 12px 20px;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: #e74c3c;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            transition: 0.2s;
            font-family: inherit;
        }
        .comment-form textarea:focus {
            border-color: #c0392b;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
        }
        .comment-form .form-row input:focus {
            border-color: #c0392b;
            outline: none;
        }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 28px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #bbb;
        }
        .site-footer a:hover {
            color: #f1c40f;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .footer-bottom .copyright {
            font-size: 0.85rem;
        }
        friend-link {
            display: block;
            margin: 12px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 8px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section-card {
                padding: 24px 20px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(0, 0, 0, 0.2);
                border-radius: 12px;
                padding: 8px 0;
                margin-top: 8px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero .meta-info {
                flex-direction: column;
                gap: 6px;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
            .header-inner {
                gap: 8px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .section-card {
                padding: 18px 14px;
            }
            .hero {
                padding: 32px 0 24px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        :focus-visible {
            outline: 3px solid #c0392b;
            outline-offset: 2px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        th {
            background: #f8f9fa;
            font-weight: 700;
            color: #1a1a2e;
        }
        tr:hover td {
            background: #fef9e7;
        }
        .fa-spin-hover:hover i {
            animation: fa-spin 1s infinite linear;
        }
        @keyframes fa-spin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }