*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #6a4e9c;
            --primary-light: #8b6fcb;
            --primary-dark: #4a2e7c;
            --secondary: #f5a623;
            --secondary-light: #ffc55a;
            --accent: #e8567a;
            --bg: #faf8f5;
            --bg-card: #ffffff;
            --text: #2d2a3a;
            --text-light: #6b6580;
            --border: #e8e3ee;
            --shadow: 0 4px 20px rgba(106, 78, 156, 0.10);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding-top: var(--header-h);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: var(--primary-dark);
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 2.0rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: var(--bg-card);
            border-bottom: 2px solid var(--border);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: var(--primary);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-light);
            padding: 6px 12px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        nav a:hover,
        nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: var(--border);
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            color: #fff;
            padding: 60px 20px 50px;
            text-align: center;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            color: #fff;
            font-size: 3rem;
            margin-bottom: 12px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 18px;
            opacity: 0.92;
        }
        .hero .badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
        }
        .last-update {
            display: block;
            margin-top: 16px;
            font-size: 0.85rem;
            opacity: 0.75;
        }
        section {
            margin-bottom: 56px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 30px;
            box-shadow: var(--shadow);
            margin-bottom: 28px;
            border: 1px solid var(--border);
        }
        .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin: 24px 0;
        }
        .img-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }
        .interactive-area {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            margin: 40px 0;
        }
        .interactive-area .card {
            margin-bottom: 0;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            font-family: var(--font);
            background: var(--bg);
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating i.active {
            color: var(--secondary);
        }
        .star-rating i:hover {
            color: var(--secondary-light);
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 12px;
            margin: 20px 0;
        }
        .links-grid a {
            background: var(--bg);
            padding: 10px 16px;
            border-radius: 10px;
            border: 1px solid var(--border);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background 0.2s, border-color 0.2s;
        }
        .links-grid a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .links-grid a i {
            font-size: 1.1rem;
        }
        footer {
            background: var(--primary-dark);
            color: #e8e0f0;
            padding: 40px 20px 24px;
            margin-top: 60px;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        footer a {
            color: var(--secondary-light);
        }
        footer a:hover {
            color: #fff;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.2rem;
        }
        footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.9rem;
            opacity: 0.8;
        }
        friend-link {
            display: block;
        }
        friend-link a {
            display: block;
            padding: 4px 0;
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .grid-2,
            .grid-3,
            .interactive-area {
                grid-template-columns: 1fr 1fr;
            }
            footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .hamburger {
                display: block;
            }
            nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px 24px;
                gap: 12px;
                border-bottom: 2px solid var(--border);
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 999;
            }
            nav.open {
                transform: translateY(0);
            }
            nav a {
                font-size: 1.1rem;
                padding: 10px 16px;
                width: 100%;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .grid-2,
            .grid-3,
            .interactive-area {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .card {
                padding: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 40px 16px 32px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
            .links-grid {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .highlight {
            background: linear-gradient(to right, var(--secondary-light), var(--secondary));
            color: var(--primary-dark);
            padding: 2px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .divider {
            border: none;
            height: 3px;
            background: linear-gradient(to right, var(--primary-light), var(--secondary));
            border-radius: 6px;
            margin: 32px 0;
        }
        .tag {
            display: inline-block;
            background: var(--border);
            padding: 2px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-light);
        }
        blockquote {
            border-left: 5px solid var(--primary);
            background: var(--bg);
            padding: 16px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
            font-style: italic;
            color: var(--text-light);
        }
        .emoji-lg {
            font-size: 1.6rem;
        }