*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #0b0b0e;
            color: #e0e0e0;
            line-height: 1.75;
            padding: 0;
            margin: 0;
            min-height: 100vh;
            background-image: radial-gradient(ellipse at 20% 50%, rgba(0, 255, 255, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(255, 0, 128, 0.04) 0%, transparent 50%);
        }
        a {
            color: #00e5ff;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #ff2d78;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #f5f5f5;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.6rem;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, #00e5ff, #ff2d78);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            margin: 2.8rem 0 1rem 0;
            border-left: 5px solid #ff2d78;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            margin: 2rem 0 0.8rem 0;
            color: #00e5ff;
        }
        h4 {
            font-size: 1.2rem;
            margin: 1.5rem 0 0.5rem 0;
            color: #ffb347;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        ::selection {
            background: #ff2d78;
            color: #fff;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: rgba(10, 10, 16, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 229, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.6rem 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: 0.08em;
            background: linear-gradient(135deg, #00e5ff, #ff2d78);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-transform: uppercase;
            font-style: italic;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ff2d78;
            font-size: 1.6rem;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 400;
            letter-spacing: 0.2em;
            margin-left: 0.4rem;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .main-nav {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #ccc;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .main-nav a:hover {
            border-color: #00e5ff;
            color: #00e5ff;
            background: rgba(0, 229, 255, 0.06);
        }
        .main-nav a.active {
            border-color: #ff2d78;
            color: #ff2d78;
            background: rgba(255, 45, 120, 0.08);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #00e5ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #888;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #00e5ff;
        }
        .breadcrumb span {
            color: #666;
        }
        .hero {
            padding: 2.5rem 0 1.8rem 0;
            text-align: center;
        }
        .hero p {
            max-width: 800px;
            margin: 0 auto 1.2rem auto;
            font-size: 1.15rem;
            color: #b0b0b0;
        }
        .hero .last-updated {
            display: inline-block;
            background: rgba(255, 45, 120, 0.12);
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #ffb347;
            border: 1px solid rgba(255, 45, 120, 0.2);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 280px;
            gap: 2.5rem;
            margin: 1.5rem 0 2rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: rgba(20, 20, 30, 0.7);
            border: 1px solid rgba(0, 229, 255, 0.12);
            border-radius: 16px;
            padding: 1.2rem 1.2rem;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(6px);
        }
        .sidebar-card h4 {
            font-size: 1rem;
            margin-bottom: 0.8rem;
            color: #ffb347;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card ul li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul li a i {
            width: 1.1rem;
            color: #ff2d78;
        }
        .featured-img {
            border-radius: 18px;
            margin: 2rem 0;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
            border: 1px solid rgba(0, 229, 255, 0.1);
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
        }
        .search-box input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            border: 1px solid rgba(0, 229, 255, 0.25);
            background: rgba(0, 0, 0, 0.4);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-box input:focus {
            border-color: #ff2d78;
        }
        .search-box button {
            background: linear-gradient(135deg, #00e5ff, #ff2d78);
            border: none;
            border-radius: 40px;
            padding: 0 1.5rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.2s;
            font-size: 0.95rem;
        }
        .search-box button:hover {
            opacity: 0.85;
        }
        .feedback-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 2.5rem 0;
        }
        .feedback-card {
            background: rgba(20, 20, 30, 0.6);
            border: 1px solid rgba(0, 229, 255, 0.1);
            border-radius: 18px;
            padding: 1.8rem;
        }
        .feedback-card h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: #f5f5f5;
        }
        .feedback-card textarea,
        .feedback-card input {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 12px;
            border: 1px solid rgba(0, 229, 255, 0.15);
            background: rgba(0, 0, 0, 0.3);
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            outline: none;
            resize: vertical;
            font-family: inherit;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus {
            border-color: #ff2d78;
        }
        .feedback-card button {
            background: linear-gradient(135deg, #00e5ff, #ff2d78);
            border: none;
            border-radius: 40px;
            padding: 0.6rem 1.8rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.2s;
        }
        .feedback-card button:hover {
            opacity: 0.85;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.6rem;
            color: #555;
            cursor: pointer;
            margin: 0.5rem 0 1rem 0;
            flex-wrap: wrap;
        }
        .star-rating i {
            transition: color 0.2s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #ffb347;
        }
        .star-rating i:hover~i {
            color: #555;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid rgba(0, 229, 255, 0.08);
            margin-top: 2rem;
            text-align: center;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.8rem;
            padding: 0.3rem 0.8rem;
            border: 1px solid rgba(0, 229, 255, 0.15);
            border-radius: 30px;
            font-size: 0.9rem;
            color: #aaa;
            transition: all 0.2s;
        }
        friend-link a:hover {
            border-color: #ff2d78;
            color: #ff2d78;
            background: rgba(255, 45, 120, 0.05);
        }
        .site-footer {
            border-top: 1px solid rgba(0, 229, 255, 0.08);
            padding: 2rem 0;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #777;
        }
        .site-footer .copyright {
            margin-top: 0.6rem;
            color: #555;
            font-size: 0.8rem;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .feedback-section {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 700px) {
            .nav-wrap .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 10, 16, 0.98);
                padding: 1rem 0;
                border-top: 1px solid rgba(0, 229, 255, 0.1);
                margin-top: 0.6rem;
            }
            .nav-wrap .main-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-box {
                flex-wrap: wrap;
            }
            .search-box button {
                padding: 0.6rem 1.2rem;
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                flex-wrap: nowrap;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo small {
                display: none;
            }
            h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        .highlight {
            color: #ffb347;
            font-weight: 600;
        }
        .neon-text {
            color: #00e5ff;
        }
        .pink-text {
            color: #ff2d78;
        }
        .small-meta {
            font-size: 0.8rem;
            color: #777;
        }
        .blockquote {
            border-left: 4px solid #ff2d78;
            padding: 0.8rem 1.2rem;
            margin: 1.5rem 0;
            background: rgba(255, 45, 120, 0.05);
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #c0c0c0;
        }
        .blockquote strong {
            color: #f5f5f5;
        }
        .toc {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(0, 229, 255, 0.08);
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .toc ol {
            columns: 2;
            column-gap: 2rem;
        }
        .toc ol li {
            margin-bottom: 0.3rem;
        }
        .toc ol li a {
            color: #bbb;
            font-size: 0.9rem;
        }
        .toc ol li a:hover {
            color: #00e5ff;
        }
        @media (max-width: 600px) {
            .toc ol {
                columns: 1;
            }
        }