* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #faf8f5;
            color: #2d2d2d;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #8a2e22;
            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, #1a3c34 0%, #2a5a4a 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: 28px;
            font-weight: 800;
            color: #f4e9d8;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #f4b942;
            font-size: 32px;
        }
        .my-logo:hover {
            color: #f4e9d8;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #c4d4c8;
            font-size: 16px;
            display: block;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f4e9d8;
            font-size: 28px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e8ddd0;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(244, 233, 216, 0.2);
            color: #f4e9d8;
            text-decoration: none;
            transform: translateY(-1px);
        }
        nav a i {
            margin-right: 6px;
            font-size: 13px;
        }
        .breadcrumb {
            background: #f0ebe3;
            padding: 12px 0;
            border-bottom: 1px solid #e2d7cc;
            font-size: 13px;
            color: #6b5e52;
        }
        .breadcrumb a {
            color: #6b5e52;
        }
        .breadcrumb a:hover {
            color: #c44536;
        }
        .breadcrumb i {
            margin: 0 8px;
            font-size: 10px;
            color: #b0a090;
        }
        .breadcrumb .current {
            color: #3a2e24;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #2d1f1a 0%, #4a3528 50%, #1a3c34 100%);
            color: #f4e9d8;
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "🧩";
            position: absolute;
            font-size: 300px;
            opacity: 0.06;
            right: -60px;
            bottom: -60px;
            transform: rotate(15deg);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .hero h1 i {
            color: #f4b942;
        }
        .hero p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 20px;
            color: #d6cdc0;
            line-height: 1.6;
        }
        .hero .meta-info {
            display: flex;
            justify-content: center;
            gap: 30px;
            font-size: 14px;
            color: #b8ab9a;
            flex-wrap: wrap;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: #f4b942;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area article {
            background: #ffffff;
            border-radius: 16px;
            padding: 40px 36px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: #1a3c34;
            margin-bottom: 14px;
            border-bottom: 2px solid #f0ebe3;
            padding-bottom: 10px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 8px;
            padding-left: 20px;
            position: relative;
            font-size: 14px;
        }
        .sidebar-card ul li::before {
            content: "🧩";
            position: absolute;
            left: 0;
            top: 0;
            font-size: 12px;
        }
        .sidebar-card ul li a {
            color: #3a2e24;
        }
        .sidebar-card ul li a:hover {
            color: #c44536;
        }
        h2 {
            font-size: 30px;
            font-weight: 700;
            color: #1a3c34;
            margin-top: 44px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f0ebe3;
            line-height: 1.3;
        }
        h2:first-of-type {
            margin-top: 0;
        }
        h2 i {
            color: #f4b942;
            margin-right: 10px;
        }
        h3 {
            font-size: 22px;
            font-weight: 600;
            color: #2a5a4a;
            margin-top: 32px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        h3 i {
            color: #c44536;
            margin-right: 8px;
            font-size: 20px;
        }
        h4 {
            font-size: 18px;
            font-weight: 600;
            color: #3a2e24;
            margin-top: 24px;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        p {
            margin-bottom: 18px;
            color: #3a3a3a;
        }
        .feature-image {
            margin: 32px 0;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .feature-image figcaption {
            background: #f8f4ef;
            padding: 12px 18px;
            font-size: 13px;
            color: #6b5e52;
            text-align: center;
            font-style: italic;
        }
        blockquote {
            background: #f6f2ec;
            border-left: 5px solid #c44536;
            padding: 20px 24px;
            margin: 28px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #4a3e34;
            font-size: 17px;
        }
        blockquote strong {
            color: #1a3c34;
            font-style: normal;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0ebe3, #faf5ef);
            border: 1px solid #e2d7cc;
            border-radius: 14px;
            padding: 24px 28px;
            margin: 28px 0;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: #c44536;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f8f4ef;
            border-radius: 12px;
            padding: 20px 16px;
            text-align: center;
            border: 1px solid #e8e0d6;
        }
        .stat-card .num {
            font-size: 32px;
            font-weight: 800;
            color: #c44536;
            display: block;
        }
        .stat-card .label {
            font-size: 13px;
            color: #6b5e52;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-top: 4px;
        }
        .search-section {
            background: #f0ebe3;
            border-radius: 14px;
            padding: 24px 28px;
            margin: 32px 0;
        }
        .search-section form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border: 2px solid #d6cdc0;
            border-radius: 30px;
            font-size: 15px;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-section input[type="text"]:focus {
            border-color: #c44536;
        }
        .search-section button {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #8a2e22;
        }
        .interaction-area {
            margin-top: 40px;
            padding-top: 32px;
            border-top: 2px solid #f0ebe3;
        }
        .interaction-area h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            margin: 12px 0 20px;
            font-size: 28px;
            color: #d6cdc0;
            cursor: pointer;
        }
        .rating-stars i {
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f4b942;
            transform: scale(1.1);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d6cdc0;
            border-radius: 12px;
            font-size: 15px;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .comment-form textarea:focus {
            border-color: #c44536;
        }
        .form-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .form-row input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid #d6cdc0;
            border-radius: 30px;
            font-size: 14px;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .form-row input:focus {
            border-color: #c44536;
        }
        .form-row button {
            background: #1a3c34;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .form-row button:hover {
            background: #2a5a4a;
        }
        .comment-list {
            margin-top: 24px;
        }
        .comment-item {
            background: #f8f4ef;
            padding: 16px 20px;
            border-radius: 12px;
            margin-bottom: 12px;
            border-left: 4px solid #c4d4c8;
        }
        .comment-item .name {
            font-weight: 600;
            color: #1a3c34;
        }
        .comment-item .time {
            font-size: 12px;
            color: #8a7a6a;
            margin-left: 12px;
        }
        .comment-item .text {
            margin-top: 6px;
            color: #3a3a3a;
        }
        footer {
            background: #1a3c34;
            color: #d6cdc0;
            padding: 40px 0 20px;
        }
        footer .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        footer h4 {
            color: #f4e9d8;
            font-size: 16px;
            margin-bottom: 16px;
            margin-top: 0;
        }
        footer a {
            color: #b8ab9a;
        }
        footer a:hover {
            color: #f4e9d8;
        }
        footer .copyright {
            border-top: 1px solid #2a5a4a;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #8a7a6a;
        }
        friend-link {
            display: block;
            margin-top: 12px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 8px 4px 0;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 13px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
            text-decoration: none;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
            footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero .meta-info {
                gap: 14px;
                font-size: 12px;
            }
            .content-area article {
                padding: 24px 18px;
            }
            h2 {
                font-size: 24px;
            }
            h3 {
                font-size: 19px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                min-width: auto;
            }
            .form-row {
                flex-direction: column;
            }
            .form-row input {
                min-width: auto;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 22px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 22px;
            }
            .my-logo span {
                font-size: 12px;
            }
        }