:root {
            --primary: #2c3e50;
            --accent: #e74c8b;
            --accent2: #8e44ad;
            --bg: #f5f7fa;
            --card-bg: #fff;
            --text: #1a1a2e;
            --text-light: #5a6a7a;
            --grad: linear-gradient(135deg, #e74c8b 0%, #8e44ad 100%);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--grad);
            padding: 18px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 1.7rem;
        }
        .my-logo span {
            font-size: 0.65rem;
            display: block;
            font-weight: 400;
            letter-spacing: 3px;
            text-transform: uppercase;
            opacity: 0.9;
            line-height: 1;
        }
        .nav-desktop {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-desktop a {
            color: #fff;
            text-decoration: none;
            padding: 7px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-desktop a:hover {
            background: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            width: 100%;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 12px;
            padding: 10px;
            margin-top: 8px;
        }
        .nav-mobile a {
            color: #fff;
            text-decoration: none;
            padding: 10px 14px;
            border-radius: 8px;
            font-weight: 600;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .nav-mobile a:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .nav-mobile.show {
                display: flex;
            }
        }
        .breadcrumb-wrap {
            background: #f1f2f6;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e4e6ef;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb li+li::before {
            content: "▸";
            color: #999;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .active {
            color: var(--text-light);
            font-weight: 600;
        }
        .search-section {
            background: var(--card-bg);
            padding: 30px 0;
            border-bottom: 1px solid #e4e6ef;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            background: #f0f1f5;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
        }
        .search-box input {
            flex: 1;
            padding: 13px 22px;
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.95rem;
        }
        .search-box button {
            padding: 13px 25px;
            border: none;
            background: var(--grad);
            color: #fff;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            filter: brightness(1.15);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 40px 0 60px;
        }
        @media (min-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                max-width: 900px;
                margin: 0 auto;
            }
        }
        .article-body {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 22px;
                border-radius: 14px;
            }
        }
        .article-body h1 {
            font-size: 2.2rem;
            line-height: 1.25;
            margin-bottom: 15px;
            background: var(--grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (max-width: 768px) {
            .article-body h1 {
                font-size: 1.55rem;
            }
        }
        .article-body h2 {
            font-size: 1.6rem;
            margin-top: 45px;
            margin-bottom: 20px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
            color: var(--primary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--primary);
            font-weight: 700;
        }
        .article-body h4 {
            font-size: 1.05rem;
            margin-top: 20px;
            margin-bottom: 8px;
            color: var(--accent2);
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #33384d;
            text-align: justify;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 22px 24px;
            color: #33384d;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 14px;
            margin: 25px 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .article-body figure {
            margin: 20px 0;
        }
        .article-body figcaption {
            font-size: 0.85rem;
            color: #888;
            text-align: center;
            margin-top: 8px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fdf0f5, #f3ecff);
            border-radius: 14px;
            padding: 22px 24px;
            margin: 25px 0;
            border-left: 4px solid var(--accent);
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 30px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .info-table th {
            background: var(--grad);
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .info-table td {
            padding: 12px 16px;
            border-bottom: 1px solid #eee;
            font-size: 0.92rem;
        }
        .info-table tr:last-child td {
            border-bottom: none;
        }
        .info-table tr:nth-child(even) {
            background: #f8f9fc;
        }
        .rating-stars {
            color: #f5b301;
            font-size: 1.1rem;
            letter-spacing: 2px;
        }
        .interaction-box {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 28px;
            margin-top: 40px;
            border: 1px solid #e4e6ef;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 600px) {
            .interaction-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .interaction-box h3 {
            margin-top: 0;
            color: var(--primary);
            font-size: 1.1rem;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
            padding-bottom: 5px;
            margin-bottom: 20px;
        }
        .interaction-box form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .interaction-box input,
        .interaction-box textarea,
        .interaction-box select {
            padding: 10px 14px;
            border: 1px solid #dde0e8;
            border-radius: 10px;
            font-size: 0.9rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.3s;
            background: #fff;
        }
        .interaction-box input:focus,
        .interaction-box textarea:focus,
        .interaction-box select:focus {
            border-color: var(--accent);
        }
        .interaction-box textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-box button {
            padding: 11px 20px;
            background: var(--grad);
            border: none;
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .interaction-box button:hover {
            filter: brightness(1.15);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(231, 76, 139, 0.3);
        }
        .site-footer {
            background: #1a1a2e;
            color: #a0a4b8;
            padding: 45px 0 25px;
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            justify-content: center;
        }
        .footer-links a {
            color: #a0a4b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            color: #6d7085;
            line-height: 1.6;
        }
        friend-link {
            display: block;
            text-align: center;
            font-size: 0.9rem;
            padding: 8px 0;
        }
        friend-link a {
            color: #7ab8ff;
            text-decoration: none;
            margin: 0 8px;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .update-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #eef0f6;
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.8rem;
            color: #6b7180;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .toc {
            background: #f8f9fc;
            border-radius: 14px;
            padding: 20px 24px;
            margin: 25px 0;
            border: 1px solid #e4e6ef;
        }
        .toc h4 {
            margin-top: 0;
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .toc ul {
            margin: 0;
            padding-left: 18px;
        }
        .toc li {
            margin-bottom: 4px;
        }
        .toc a {
            color: var(--accent);
            text-decoration: none;
        }
        .toc a:hover {
            text-decoration: underline;
        }