*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0a0a1a;
            color: #e0e0e0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        ::selection {
            background: #7b2ff7;
            color: #fff;
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0a0a1a;
        }
        ::-webkit-scrollbar-thumb {
            background: #7b2ff7;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00d4ff;
        }
        h1,
        h2,
        h3,
        h4 {
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.2rem;
            background: linear-gradient(135deg, #00d4ff, #7b2ff7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            border-left: 4px solid #7b2ff7;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            margin: 1.8rem 0 0.8rem;
            color: #00d4ff;
        }
        h4 {
            font-size: 1.15rem;
            margin: 1.2rem 0 0.6rem;
            color: #b388ff;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
        }
        a {
            color: #00d4ff;
            text-decoration: none;
            transition: color 0.3s, border-bottom 0.3s;
            border-bottom: 1px solid transparent;
        }
        a:hover {
            color: #7b2ff7;
            border-bottom-color: #7b2ff7;
        }
        strong {
            color: #fff;
            font-weight: 600;
        }
        em {
            color: #b388ff;
            font-style: italic;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 10, 26, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(123, 47, 247, 0.25);
            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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, #00d4ff, #7b2ff7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            border: none;
            letter-spacing: -0.5px;
        }
        .my-logo:hover {
            border: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #888;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        nav a {
            color: #ccc;
            padding: 0.4rem 0.9rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            border: none;
            transition: background 0.3s, color 0.3s;
        }
        nav a:hover {
            background: rgba(123, 47, 247, 0.2);
            color: #00d4ff;
            border: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(123, 47, 247, 0.2);
        }
        .breadcrumb {
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #888;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #00d4ff;
            border: none;
        }
        .breadcrumb a:hover {
            color: #7b2ff7;
            border: none;
        }
        .breadcrumb span {
            color: #555;
        }
        .hero {
            padding: 2.5rem 0 1.5rem;
            text-align: center;
            background: radial-gradient(ellipse at center, rgba(123, 47, 247, 0.08), transparent 70%);
        }
        .hero p {
            font-size: 1.2rem;
            color: #aaa;
            max-width: 800px;
            margin: 0 auto 1.2rem;
        }
        .hero .last-updated {
            font-size: 0.85rem;
            color: #666;
            display: block;
            margin-top: 0.5rem;
        }
        .feature-img {
            width: 100%;
            max-width: 900px;
            border-radius: 16px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 8px 40px rgba(123, 47, 247, 0.25);
            border: 1px solid rgba(123, 47, 247, 0.15);
        }
        .card {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 14px;
            padding: 1.8rem 2rem;
            margin: 1.6rem 0;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: border-color 0.4s, box-shadow 0.4s;
        }
        .card:hover {
            border-color: rgba(123, 47, 247, 0.2);
            box-shadow: 0 4px 30px rgba(123, 47, 247, 0.08);
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1.5rem;
        }
        .tip-box {
            background: rgba(0, 212, 255, 0.05);
            border-left: 4px solid #00d4ff;
            padding: 1rem 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.2rem 0;
        }
        .tip-box.purple {
            border-left-color: #7b2ff7;
            background: rgba(123, 47, 247, 0.05);
        }
        .stat-block {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            justify-content: center;
            margin: 1.5rem 0;
        }
        .stat-item {
            background: rgba(255, 255, 255, 0.04);
            padding: 1rem 1.8rem;
            border-radius: 12px;
            text-align: center;
            min-width: 120px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #00d4ff;
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: #888;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto;
            gap: 0.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            border-radius: 8px 0 0 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-box input:focus {
            border-color: #7b2ff7;
        }
        .search-box button {
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 0 8px 8px 0;
            background: linear-gradient(135deg, #7b2ff7, #00d4ff);
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .search-box button:hover {
            opacity: 0.85;
        }
        .comment-area textarea {
            width: 100%;
            padding: 1rem;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            font-size: 1rem;
            resize: vertical;
            min-height: 110px;
            margin-bottom: 0.8rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .comment-area textarea:focus {
            border-color: #7b2ff7;
        }
        .comment-area button {
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 8px;
            background: linear-gradient(135deg, #7b2ff7, #00d4ff);
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.3s;
        }
        .comment-area button:hover {
            opacity: 0.85;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            cursor: pointer;
            color: #444;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffd700;
        }
        .stars i {
            transition: color 0.2s;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 2rem;
        }
        friend-link .fl-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #b388ff;
            margin-bottom: 0.8rem;
            display: block;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
        }
        friend-link .fl-list a {
            color: #aaa;
            font-size: 0.92rem;
            border: none;
        }
        friend-link .fl-list a:hover {
            color: #00d4ff;
            border: none;
        }
        footer {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 2rem 0 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #666;
        }
        footer .copyright {
            color: #555;
            font-size: 0.85rem;
        }
        footer a {
            color: #888;
            border: none;
        }
        footer a:hover {
            color: #00d4ff;
            border: none;
        }
        @media (max-width: 900px) {
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .card {
                padding: 1.2rem 1.2rem;
            }
            .stat-block {
                gap: 0.8rem;
            }
            .stat-item {
                padding: 0.7rem 1.2rem;
                min-width: 90px;
            }
            .stat-item .num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                flex-basis: 100%;
                flex-direction: column;
                display: none;
                padding: 0.8rem 0 0.2rem;
                gap: 0.3rem;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 0.5rem 0.8rem;
                width: 100%;
            }
            .hero {
                padding: 1.5rem 0 1rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box input {
                border-radius: 8px;
            }
            .search-box button {
                border-radius: 8px;
                padding: 0.7rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .stars {
                font-size: 1.5rem;
            }
            friend-link .fl-list {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .card {
                padding: 0.9rem 0.9rem;
            }
            p {
                font-size: 0.95rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }