*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a1a2e;
            --accent: #e94560;
            --accent2: #f39c12;
            --bg: #f5f5f7;
            --card: #fff;
            --text: #2c2c2c;
            --muted: #6b7280;
            --radius: 16px;
            --shadow: 0 8px 30px rgba(0, 0, 0, .08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .2s;
        }
        a:hover {
            color: #c73652;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .2);
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 0;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            cursor: pointer;
        }
        .my-logo span {
            color: var(--accent2);
        }
        .my-logo:hover {
            color: var(--accent2);
            text-decoration: none;
        }
        .nav-links {
            display: flex;
            gap: 22px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #e5e5e5;
            font-weight: 500;
            font-size: .95rem;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover {
            color: #fff;
            border-color: var(--accent);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.7rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 4px 8px;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 10px;
                padding: 10px 0 16px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 10px 0;
                border-bottom: 1px solid rgba(255, 255, 255, .1);
            }
        }
        .breadcrumb {
            background: #fafafa;
            border-bottom: 1px solid #eee;
            padding: 10px 0;
            font-size: .85rem;
        }
        .breadcrumb .container {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #bbb;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
            color: #fff;
            padding: 56px 0 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .hero p {
            max-width: 720px;
            margin: 0 auto 20px;
            opacity: .9;
            font-size: 1.1rem;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent2);
            color: #1a1a2e;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: .85rem;
            margin-bottom: 18px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .article-body {
            padding: 40px 0;
        }
        .article-body section {
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px;
            margin-bottom: 32px;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
            border-left: 5px solid var(--accent2);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.45rem;
            color: #1a1a2e;
            margin-top: 28px;
            margin-bottom: 10px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            color: #444;
            margin-top: 20px;
            margin-bottom: 8px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin-left: 22px;
            margin-bottom: 16px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff5e9, #fff);
            border-left: 4px solid var(--accent2);
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
            font-size: 1rem;
        }
        .info-box {
            background: #f0f7ff;
            border-left: 4px solid #4a90d9;
            padding: 18px 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        .tip-box {
            background: #f0fdf4;
            border-left: 4px solid #22c55e;
            padding: 18px 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media(max-width:768px) {
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .article-body section {
                padding: 20px;
            }
        }
        .card-mini {
            background: #fafafa;
            border-radius: 10px;
            padding: 18px;
            transition: transform .2s;
        }
        .card-mini:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .06);
        }
        .img-responsive {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 20px 0;
        }
        .search-area {
            background: var(--card);
            border-radius: var(--radius);
            padding: 28px;
            margin-bottom: 32px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .search-area form {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .search-area input[type="text"] {
            flex: 1;
            max-width: 480px;
            padding: 14px 20px;
            border: 2px solid #eee;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border-color .2s;
        }
        .search-area input[type="text"]:focus {
            border-color: var(--accent);
        }
        .search-area button {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s;
        }
        .search-area button:hover {
            background: #c73652;
        }
        .user-interactions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 32px;
        }
        @media(max-width:768px) {
            .user-interactions {
                grid-template-columns: 1fr;
            }
        }
        .interaction-box {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .interaction-box h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interaction-box form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .interaction-box input,
        .interaction-box textarea,
        .interaction-box select {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: .95rem;
            font-family: inherit;
            width: 100%;
        }
        .interaction-box button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: background .2s;
        }
        .interaction-box button:hover {
            background: var(--accent);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            cursor: pointer;
        }
        .star-rating i {
            color: #ddd;
            transition: color .2s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: var(--accent2);
        }
        .site-footer {
            background: var(--primary);
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .site-footer .container {
            text-align: center;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: center;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: #aab;
        }
        .footer-links a:hover {
            color: var(--accent2);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, .05);
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
            border: 1px solid rgba(255, 255, 255, .08);
        }
        friend-link span.label {
            display: block;
            font-weight: 700;
            color: var(--accent2);
            margin-bottom: 8px;
            font-size: .9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        friend-link .links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 16px;
            font-size: .85rem;
            color: #999;
        }
        .last-updated {
            font-size: .85rem;
            color: var(--muted);
            text-align: center;
            margin: 16px 0 0;
        }
        .to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: var(--accent);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(233, 69, 96, .4);
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s;
            z-index: 999;
        }
        .to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .to-top:hover {
            background: var(--accent2);
            color: #1a1a2e;
        }
        .emoji {
            font-style: normal;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: .95rem;
        }
        table th,
        table td {
            border: 1px solid #eee;
            padding: 10px 14px;
            text-align: left;
        }
        table th {
            background: #f9f9f9;
            font-weight: 700;
        }