*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #3a0ca3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #f72585;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b0b2a 0%, #1a1a3e 100%);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(247, 37, 133, 0.3);
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .my-logo span {
            color: #f72585;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0ff;
            padding: 0.4rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(247, 37, 133, 0.2);
            color: #fff;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.8rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-overlay {
            display: none;
        }
        .breadcrumb {
            background: #f0f0f8;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e0ed;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #888;
        }
        .breadcrumb a {
            color: #3a0ca3;
        }
        .breadcrumb .current {
            color: #666;
            font-weight: 500;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        @media (min-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr 300px;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #0b0b2a;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }
        .article-body h1 i {
            color: #f72585;
            margin-right: 0.5rem;
        }
        .article-body .last-updated {
            display: block;
            font-size: 0.85rem;
            color: #888;
            margin-bottom: 1.5rem;
            font-weight: 400;
        }
        .article-body .last-updated i {
            margin-right: 0.3rem;
        }
        .article-body h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b0b2a;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #f72585;
        }
        .article-body h2 i {
            color: #f72585;
            margin-right: 0.5rem;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #1a1a3e;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        .article-body h3 i {
            color: #3a0ca3;
            margin-right: 0.4rem;
        }
        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2a2a4e;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            color: #2d2d44;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body strong {
            color: #0b0b2a;
        }
        .article-body .highlight-box {
            background: #f0ecff;
            border-left: 5px solid #3a0ca3;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box i {
            color: #3a0ca3;
            margin-right: 0.4rem;
        }
        .article-body .emoji-big {
            font-size: 1.3rem;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #eee8ff;
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0b0b2a;
            margin-bottom: 1rem;
            border-bottom: 2px solid #f72585;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }
        .sidebar li {
            margin-bottom: 0.5rem;
        }
        .sidebar a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .sidebar a:hover {
            background: #f5f0ff;
        }
        .sidebar a i {
            width: 1.2rem;
            color: #f72585;
            font-size: 0.85rem;
        }
        .featured-image {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .featured-image img {
            width: 100%;
            display: block;
        }
        .featured-image figcaption {
            background: #f5f0ff;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            text-align: center;
            font-style: italic;
        }
        .search-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin: 2rem 0;
            border: 1px solid #eee8ff;
        }
        .search-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #0b0b2a;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e0ed;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.25s;
        }
        .search-form input:focus {
            border-color: #3a0ca3;
        }
        .search-form button {
            background: #3a0ca3;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #2a0a7a;
            transform: scale(1.02);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        @media (min-width: 768px) {
            .interaction-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .interaction-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            border: 1px solid #eee8ff;
        }
        .interaction-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b0b2a;
            margin-bottom: 0.8rem;
        }
        .interaction-card h3 i {
            color: #f72585;
            margin-right: 0.4rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .interaction-card input,
        .interaction-card textarea,
        .interaction-card select {
            padding: 0.6rem 1rem;
            border: 2px solid #e2e0ed;
            border-radius: 10px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.25s;
            font-family: inherit;
        }
        .interaction-card input:focus,
        .interaction-card textarea:focus,
        .interaction-card select:focus {
            border-color: #3a0ca3;
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card button {
            background: #f72585;
            color: #fff;
            border: none;
            padding: 0.65rem 1.5rem;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .interaction-card button:hover {
            background: #d61a6b;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.4rem;
            color: #f7c948;
            cursor: pointer;
            margin: 0.3rem 0;
        }
        .rating-stars i {
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .rating-stars input {
            display: none;
        }
        .friend-links-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            margin: 2.5rem 0 1rem;
            border: 1px solid #eee8ff;
        }
        .friend-links-section h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b0b2a;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .friend-links-section h3 i {
            color: #f72585;
        }
        .friend-links-section friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 1.2rem;
            align-items: center;
        }
        .friend-links-section friend-link a {
            font-size: 0.9rem;
            padding: 0.2rem 0;
            color: #3a0ca3;
            border-bottom: 1px solid transparent;
            transition: border-color 0.2s;
        }
        .friend-links-section friend-link a:hover {
            border-bottom-color: #f72585;
            color: #f72585;
        }
        .friend-links-section friend-link span.sep {
            color: #ccc;
            font-size: 0.7rem;
        }
        .site-footer {
            background: #0b0b2a;
            color: #c0c0e0;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            text-align: center;
        }
        .footer-inner .copyright {
            font-size: 0.85rem;
            letter-spacing: 0.3px;
        }
        .footer-inner .copyright i {
            margin-right: 0.3rem;
            color: #f72585;
        }
        .footer-inner .copyright a {
            color: #f0c0ff;
        }
        .footer-inner .copyright a:hover {
            color: #f72585;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(11, 11, 42, 0.98);
                padding: 0.8rem 0.5rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 0.8rem;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.15rem;
            }
            .sidebar {
                position: static;
                margin-top: 1.5rem;
            }
            .search-form input {
                min-width: 120px;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .friend-links-section friend-link {
                gap: 0.3rem 0.8rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.9rem;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .schema-hidden {
            display: none;
        }