*,
        *::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, sans-serif;
            background: #faf7f2;
            color: #1e1e1e;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c7520a;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #9a3d06;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: linear-gradient(135deg, #1a2a3a 0%, #0f1a26 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f9a825, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #f9a825;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f9a825;
            color: #f9a825;
            font-size: 1.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(249, 168, 37, 0.15);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #e0e0e0;
            padding: 0.4rem 0.9rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover {
            background: rgba(249, 168, 37, 0.2);
            color: #f9a825;
            text-decoration: none;
        }
        nav a.active {
            background: #f9a825;
            color: #1a2a3a;
        }
        .breadcrumb {
            background: #f0ebe3;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #e0d6c8;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            color: #b8a894;
            margin-right: 0.6rem;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #7a5a3a;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #2c3e50 0%, #1a2a3a 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 4px solid #f9a825;
        }
        .hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #f9a825, #ff6f00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 750px;
            margin: 0 auto 1.2rem;
            color: #cfd8dc;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            font-size: 0.92rem;
            color: #b0bec5;
        }
        .hero-meta i {
            color: #f9a825;
            margin-right: 0.4rem;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            padding: 2rem 0;
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        .content {
            background: #fff;
            border-radius: 14px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .content h2 {
            font-size: 1.65rem;
            font-weight: 700;
            margin: 2.2rem 0 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f9a825;
            color: #1a2a3a;
        }
        .content h2:first-of-type {
            margin-top: 0;
        }
        .content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.6rem 0 0.5rem;
            color: #2c3e50;
        }
        .content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.2rem 0 0.3rem;
            color: #3e566b;
        }
        .content p {
            margin-bottom: 1rem;
            color: #2c2c2c;
        }
        .content ul,
        .content ol {
            margin-bottom: 1.2rem;
        }
        .content li {
            margin-bottom: 0.4rem;
        }
        .content .highlight-box {
            background: #fef7ec;
            border-left: 4px solid #f9a825;
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.2rem 0;
        }
        .content .highlight-box strong {
            color: #c7520a;
        }
        .content .emoji-big {
            font-size: 1.4rem;
            margin-right: 0.3rem;
        }
        .feature-img {
            border-radius: 12px;
            margin: 1.5rem 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            width: 100%;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a2a3a;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #f0ebe3;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f5f0ea;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: #2c3e50;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a:hover {
            color: #c7520a;
        }
        .sidebar-card ul li a i {
            color: #f9a825;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.3rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.6rem 1rem;
            border: 2px solid #e0d6c8;
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
            background: #faf7f2;
        }
        .search-form input:focus {
            border-color: #f9a825;
        }
        .search-form button {
            background: #f9a825;
            border: none;
            color: #1a2a3a;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #e8950c;
        }
        .comment-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px solid #f0ebe3;
        }
        .comment-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #1a2a3a;
            margin-bottom: 1rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #e0d6c8;
            border-radius: 8px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border 0.2s;
            background: #faf7f2;
        }
        .comment-form textarea:focus {
            border-color: #f9a825;
            outline: none;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 0.6rem 1rem;
            border: 2px solid #e0d6c8;
            border-radius: 8px;
            font-size: 0.95rem;
            background: #faf7f2;
            transition: border 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #f9a825;
            outline: none;
        }
        .comment-form button {
            background: #1a2a3a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.8rem;
        }
        .comment-form button:hover {
            background: #2c3e50;
        }
        .rating-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin: 0.8rem 0;
        }
        .rating-area .stars {
            display: flex;
            gap: 0.2rem;
            font-size: 1.6rem;
            color: #e0d6c8;
            cursor: pointer;
        }
        .rating-area .stars i {
            transition: color 0.15s;
        }
        .rating-area .stars i.active,
        .rating-area .stars i:hover {
            color: #f9a825;
        }
        .rating-area .stars i:hover~i {
            color: #e0d6c8;
        }
        .rating-area .rating-value {
            font-weight: 700;
            color: #1a2a3a;
            font-size: 1.1rem;
        }
        footer {
            background: #0f1a26;
            color: #b0bec5;
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
            border-top: 4px solid #f9a825;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        footer h4 {
            color: #f9a825;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        footer a {
            color: #90a4ae;
        }
        footer a:hover {
            color: #f9a825;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer ul li {
            padding: 0.25rem 0;
        }
        footer .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1e2d3d;
            font-size: 0.88rem;
            color: #78909c;
        }
        friend-link {
            display: block;
            background: #1a2a3a;
            padding: 1.2rem 1.5rem;
            border-radius: 10px;
            margin: 0.5rem 0;
            color: #cfd8dc;
            font-size: 0.92rem;
        }
        friend-link a {
            color: #f9a825;
            font-weight: 500;
        }
        friend-link a:hover {
            color: #ffcc80;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.3rem;
                padding-top: 0.8rem;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 0.5rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.6rem 1rem;
                width: 100%;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .content {
                padding: 1.2rem 1rem;
            }
            .content h2 {
                font-size: 1.35rem;
            }
            .main-grid {
                gap: 1.5rem;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.3rem;
            }
            .rating-area .stars {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .content {
                padding: 1rem 0.8rem;
                border-radius: 8px;
            }
            .container {
                padding: 0 0.6rem;
            }
            .search-form {
                flex-direction: column;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: unset;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f9a825;
            color: #1a2a3a;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            cursor: pointer;
            border: none;
            transition: transform 0.2s, background 0.2s;
            z-index: 50;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            background: #e8950c;
        }
        @media (max-width: 480px) {
            .scroll-top {
                bottom: 1rem;
                right: 1rem;
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
        }