* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
            color: #f1f1f1;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: #00eeff;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ff4757;
            text-shadow: 0 0 8px rgba(255, 71, 87, 0.7);
        }
        header {
            background: rgba(10, 10, 20, 0.95);
            padding: 1.2rem 0;
            border-bottom: 2px solid #ff4757;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.4rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff4757, #00eeff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 0 15px rgba(0, 238, 255, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav ul li a:hover {
            background: rgba(255, 71, 87, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00eeff;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            background: rgba(26, 26, 46, 0.8);
            margin-bottom: 2rem;
        }
        .breadcrumb a:not(:last-child)::after {
            content: " › ";
            margin: 0 8px;
            color: #00eeff;
        }
        main {
            background: rgba(22, 33, 62, 0.85);
            border-radius: 15px;
            padding: 2.5rem;
            margin-bottom: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2a3b6b;
        }
        h1 {
            font-size: 3.2rem;
            text-align: center;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #ff4757, #ff9f43);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 20px rgba(255, 71, 87, 0.3);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.3rem;
            color: #00eeff;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #ff4757;
            position: relative;
        }
        h2::before {
            content: "🔥";
            margin-right: 10px;
        }
        h3 {
            font-size: 1.8rem;
            color: #ff9f43;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a29bfe;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.4rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background: rgba(255, 71, 87, 0.15);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: bold;
            color: #ff9f43;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            border: 3px solid #00eeff;
            box-shadow: 0 0 25px rgba(0, 238, 255, 0.4);
            transition: transform 0.4s;
        }
        img:hover {
            transform: scale(1.02);
        }
        .content-block {
            margin: 2.5rem 0;
            padding: 1.5rem;
            background: rgba(10, 15, 35, 0.6);
            border-radius: 10px;
            border-left: 5px solid #00eeff;
        }
        .function-section {
            margin: 3rem 0;
            padding: 2rem;
            background: rgba(26, 26, 46, 0.9);
            border-radius: 12px;
            border: 1px solid #2a3b6b;
        }
        .function-section h2 {
            border-bottom: none;
            font-size: 2rem;
        }
        form {
            display: grid;
            gap: 1.2rem;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 1rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid #00eeff;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #ff4757;
            box-shadow: 0 0 10px rgba(255, 71, 87, 0.5);
        }
        button {
            padding: 1rem 2rem;
            background: linear-gradient(90deg, #ff4757, #ff9f43);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 71, 87, 0.4);
        }
        footer {
            background: rgba(10, 10, 20, 0.95);
            padding: 3rem 0;
            text-align: center;
            border-top: 2px solid #00eeff;
        }
        friend-link {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        friend-link a {
            font-size: 1.2rem;
            padding: 0.5rem 1.5rem;
            background: rgba(0, 238, 255, 0.1);
            border-radius: 30px;
        }
        friend-link a:hover {
            background: rgba(255, 71, 87, 0.2);
        }
        .copyright {
            font-size: 0.95rem;
            color: #aaa;
            margin-top: 2rem;
            border-top: 1px solid #2a3b6b;
            padding-top: 1.5rem;
        }
        .update-time {
            text-align: center;
            font-size: 1rem;
            color: #aaa;
            margin-bottom: 2rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 10, 20, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5rem;
                border-top: 2px solid #ff4757;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            main {
                padding: 1.5rem;
            }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            friend-link {
                flex-direction: column;
                align-items: center;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .my-logo { font-size: 2rem; }
        }
        .pyramid {
            margin-left: 20px;
            border-left: 2px solid #00eeff;
            padding-left: 20px;
        }
        .link-inline {
            color: #ff9f43;
            border-bottom: 1px dotted #ff9f43;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            justify-content: center;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ffd700;
            font-size: 1.8rem;
            cursor: pointer;
        }