* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0b0e14;
            color: #e8edf2;
            line-height: 1.7;
            font-size: 16px;
            scroll-behavior: smooth;
        }
        a {
            color: #6ec8ff;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #b3e0ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: #141a24;
            border-bottom: 2px solid #2a3440;
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(6px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 1px;
            color: #f5c842;
            text-shadow: 0 2px 8px rgba(245, 200, 66, 0.25);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ffd966;
        }
        .my-logo span {
            color: #6ec8ff;
        }
        .nav-toggle {
            display: none;
            font-size: 28px;
            background: none;
            border: none;
            color: #e8edf2;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #2a3440;
        }
        .nav-menu {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            padding: 6px 14px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 15px;
            transition: background 0.2s, color 0.2s;
            color: #c8d6e5;
        }
        .nav-menu a:hover {
            background: #2a3440;
            color: #f5c842;
            text-decoration: none;
        }
        .nav-menu a.active {
            color: #f5c842;
            background: rgba(245, 200, 66, 0.12);
        }
        .breadcrumb {
            background: #1a212d;
            padding: 10px 0;
            font-size: 14px;
            border-bottom: 1px solid #2a3440;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #6a7a8a;
        }
        .breadcrumb a {
            color: #8a9bb0;
        }
        .breadcrumb a:hover {
            color: #f5c842;
        }
        .breadcrumb .current {
            color: #f5c842;
            font-weight: 500;
        }
        .hero {
            padding: 40px 0 30px;
            background: linear-gradient(145deg, #0f1620 0%, #1a2535 100%);
            border-bottom: 1px solid #2a3440;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: #f5c842;
            margin-bottom: 14px;
        }
        .hero .sub {
            font-size: 1.1rem;
            color: #a0b8cc;
            max-width: 720px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            margin-top: 18px;
            color: #7a8fa0;
            font-size: 14px;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #6ec8ff;
        }
        .last-update {
            background: #1e293b;
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 500;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            border-left: 1px solid #2a3440;
            padding-left: 30px;
        }
        .sidebar-section {
            background: #141c28;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 24px;
            border: 1px solid #253040;
        }
        .sidebar-section h3 {
            font-size: 18px;
            color: #f5c842;
            margin-bottom: 12px;
            border-bottom: 1px solid #253040;
            padding-bottom: 8px;
        }
        .sidebar-section ul {
            list-style: none;
        }
        .sidebar-section li {
            padding: 6px 0;
            border-bottom: 1px solid #1e2a38;
        }
        .sidebar-section li:last-child {
            border-bottom: none;
        }
        .sidebar-section a {
            color: #b0c8dd;
            font-size: 15px;
        }
        .sidebar-section a:hover {
            color: #f5c842;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #f5c842;
            margin: 48px 0 16px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid #2a3440;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #e0eaf5;
            margin: 32px 0 12px 0;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #b0c8dd;
            margin: 24px 0 10px 0;
        }
        p {
            margin-bottom: 18px;
            color: #d0dce8;
        }
        .highlight {
            background: #1f2b3a;
            padding: 2px 10px;
            border-radius: 4px;
            color: #f5c842;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .tip-box {
            background: #1a2535;
            border-left: 4px solid #f5c842;
            padding: 16px 20px;
            border-radius: 0 10px 10px 0;
            margin: 20px 0;
        }
        .tip-box strong {
            color: #f5c842;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: #141c28;
            border-radius: 12px;
            padding: 18px;
            text-align: center;
            border: 1px solid #253040;
            transition: transform 0.2s, border-color 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: #f5c842;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #f5c842;
        }
        .stat-card .label {
            font-size: 14px;
            color: #8a9bb0;
        }
        .blockquote {
            background: #1a2535;
            padding: 20px 24px;
            border-radius: 12px;
            border-left: 4px solid #6ec8ff;
            font-style: italic;
            color: #c8d6e5;
            margin: 24px 0;
        }
        .blockquote cite {
            display: block;
            margin-top: 10px;
            font-style: normal;
            font-weight: 600;
            color: #f5c842;
        }
        .img-wrapper {
            margin: 28px 0;
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid #2a3440;
            background: #141c28;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-wrapper .caption {
            padding: 12px 18px;
            font-size: 14px;
            color: #8a9bb0;
            background: #0f1620;
        }
        .search-block {
            background: #141c28;
            border-radius: 12px;
            padding: 24px;
            margin: 32px 0;
            border: 1px solid #253040;
        }
        .search-block h3 {
            margin-top: 0;
            color: #f5c842;
        }
        .search-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 30px;
            border: 1px solid #2a3440;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 16px;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: #f5c842;
        }
        .search-form button {
            padding: 12px 28px;
            border-radius: 30px;
            border: none;
            background: #f5c842;
            color: #0b0e14;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .interact-card {
            background: #141c28;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #253040;
        }
        .interact-card h3 {
            margin-top: 0;
            color: #f5c842;
            font-size: 20px;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 12px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 10px 16px;
            border-radius: 8px;
            border: 1px solid #2a3440;
            background: #0b0e14;
            color: #e8edf2;
            font-size: 15px;
            outline: none;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #f5c842;
        }
        .interact-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interact-card button {
            padding: 10px 24px;
            border-radius: 30px;
            border: none;
            background: #f5c842;
            color: #0b0e14;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
        }
        .interact-card button:hover {
            background: #ffd966;
            transform: scale(1.02);
        }
        .star-select {
            display: flex;
            gap: 6px;
            font-size: 24px;
            color: #4a5a6a;
            cursor: pointer;
        }
        .star-select .fas.fa-star {
            color: #f5c842;
        }
        .star-select .far.fa-star {
            color: #4a5a6a;
            transition: color 0.2s;
        }
        .star-select .far.fa-star:hover {
            color: #f5c842;
        }
        footer {
            background: #0f1620;
            border-top: 2px solid #2a3440;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        .footer-col h4 {
            color: #f5c842;
            margin-bottom: 14px;
            font-size: 18px;
        }
        .footer-col p,
        .footer-col a {
            color: #8a9bb0;
            font-size: 14px;
        }
        .footer-col a:hover {
            color: #f5c842;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            padding: 4px 0;
        }
        friend-link {
            display: block;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid #2a3440;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            color: #8a9bb0;
            font-size: 14px;
        }
        friend-link a:hover {
            color: #f5c842;
        }
        .copyright {
            text-align: center;
            padding-top: 24px;
            margin-top: 24px;
            border-top: 1px solid #1e2a38;
            color: #5a6a7a;
            font-size: 13px;
        }
        .copyright a {
            color: #8a9bb0;
        }
        .copyright a:hover {
            color: #f5c842;
        }
        @media (max-width: 900px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar {
                border-left: none;
                padding-left: 0;
                order: 2;
            }
            .content-area {
                order: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 680px) {
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #141a24;
                padding: 12px 0 16px;
                border-top: 1px solid #2a3440;
                margin-top: 8px;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
            .breadcrumb ul {
                font-size: 13px;
            }
            .sidebar {
                margin-top: 16px;
            }
        }
        @media (max-width: 420px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .my-logo {
                font-size: 22px;
            }
        }
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .sidebar-inner {
            position: sticky;
            top: 90px;
        }