* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #F8F7FF;
            color: #2D2D3A;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            color: #6B4CE6;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #4B2CB6;
            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, #6B4CE6 0%, #9B7BFF 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(107, 76, 230, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 0 rgba(0,0,0,0.1);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #FFE66D;
        }
        .my-logo i {
            margin-right: 6px;
            color: #FFE66D;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        nav a {
            color: #fff;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background 0.2s, transform 0.2s;
        }
        nav a:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
            text-decoration: none;
            color: #FFE66D;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.15);
        }
        .breadcrumb {
            background: #EDE8FF;
            padding: 12px 0;
            border-bottom: 1px solid #D6CCFF;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #9B7BFF;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #6B4CE6;
        }
        .breadcrumb .current {
            color: #3D2A8A;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #F0EBFF 0%, #FFE8F0 100%);
            padding: 60px 0 50px;
            text-align: center;
            border-bottom: 4px solid #6B4CE6;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #2D2D3A;
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.15;
        }
        .hero h1 i {
            color: #FF6B9D;
        }
        .hero p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 20px;
            color: #4A4A5A;
        }
        .hero .meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: #6B5B8A;
        }
        .hero .meta i {
            margin-right: 6px;
        }
        .last-updated {
            display: inline-block;
            background: #6B4CE6;
            color: #fff;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        main {
            padding: 50px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 2rem;
            color: #2D2D3A;
            margin: 50px 0 18px;
            padding-bottom: 10px;
            border-bottom: 4px solid #6B4CE6;
            font-weight: 800;
        }
        .article-body h2 i {
            color: #FF6B9D;
            margin-right: 10px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: #3D2A8A;
            margin: 36px 0 14px;
            font-weight: 700;
        }
        .article-body h3 i {
            color: #4ECDC4;
            margin-right: 8px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #5A4A8A;
            margin: 24px 0 10px;
            font-weight: 700;
            padding-left: 16px;
            border-left: 4px solid #FF6B9D;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #3A3A4A;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #F0EBFF;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 24px 0;
            border-left: 6px solid #6B4CE6;
        }
        .article-body .highlight-box.alt {
            background: #FFF0F5;
            border-left-color: #FF6B9D;
        }
        .article-body .highlight-box.green {
            background: #E8FFF5;
            border-left-color: #4ECDC4;
        }
        .article-body .stat-box {
            display: inline-block;
            background: #2D2D3A;
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            border-radius: 16px;
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: #6B5B8A;
            margin-top: 8px;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
            border: 1px solid #EDE8FF;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: #2D2D3A;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-weight: 500;
        }
        .sidebar-card li a i {
            width: 22px;
            color: #6B4CE6;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid #D6CCFF;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #F8F7FF;
        }
        .search-form input:focus {
            border-color: #6B4CE6;
        }
        .search-form button {
            padding: 12px 22px;
            background: #6B4CE6;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
        }
        .search-form button:hover {
            background: #4B2CB6;
            transform: scale(1.02);
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #EDE8FF;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid #EDE8FF;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            margin-bottom: 16px;
            color: #2D2D3A;
        }
        .feedback-card h3 i {
            margin-right: 8px;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 12px 16px;
            border: 2px solid #D6CCFF;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
            background: #F8F7FF;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #6B4CE6;
        }
        .feedback-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .feedback-card button {
            padding: 12px 24px;
            background: #6B4CE6;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.2s;
            align-self: flex-start;
            font-size: 1rem;
        }
        .feedback-card button:hover {
            background: #4B2CB6;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #D6CCFF;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #FFD166;
        }
        friend-link {
            display: block;
            margin: 30px 0 10px;
            padding: 20px 24px;
            background: #F0EBFF;
            border-radius: 16px;
        }
        friend-link h3 {
            font-size: 1.2rem;
            color: #2D2D3A;
            margin-bottom: 12px;
            font-weight: 700;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            padding: 0;
        }
        friend-link li a {
            font-weight: 500;
        }
        footer {
            background: #2D2D3A;
            color: #C8C8D8;
            padding: 40px 0 30px;
            border-top: 6px solid #6B4CE6;
        }
        footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        footer .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        footer .footer-col ul {
            list-style: none;
            padding: 0;
        }
        footer .footer-col li {
            margin-bottom: 6px;
        }
        footer .footer-col a {
            color: #B8B8D0;
        }
        footer .footer-col a:hover {
            color: #FFE66D;
        }
        footer .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #4A4A5A;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 12px 16px;
                border-radius: 12px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb ol {
                font-size: 0.85rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            friend-link ul {
                flex-direction: column;
                gap: 6px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .container {
                padding: 0 14px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
        }
        .text-small {
            font-size: 0.9rem;
            color: #6B5B8A;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }