* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', system-ui, sans-serif;
            background: #12141c;
            color: #e8ecf3;
            line-height: 1.7;
            word-wrap: break-word;
        }
        a {
            color: #35a2ff;
            text-decoration: none;
            transition: all 0.2s ease;
        }
        a:hover {
            color: #ffcc4d;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            width: 100%;
        }
        .site-header {
            background: linear-gradient(145deg, #0e1622, #171f30);
            padding: 1rem 0;
            border-bottom: 2px solid #7c3aed;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .my-logo {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #ffbf00, #ff7a18);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 12px rgba(255, 160, 0, 0.2);
            font-family: 'Arial Black', Impact, sans-serif;
            text-transform: uppercase;
            line-height: 1.2;
            display: inline-block;
        }
        .my-logo i {
            color: #fff0c0;
            margin-right: 5px;
            font-size: 1.8rem;
        }
        .nav-bar {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 0.5rem 0.9rem;
            border-radius: 40px;
            font-weight: 600;
            color: #d0d8f0;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.06);
            margin-left: 0.2rem;
            font-size: 0.95rem;
        }
        .nav-links li a i {
            font-size: 0.8rem;
            margin-right: 6px;
            color: #ffc857;
        }
        .nav-links li a:hover {
            background: #242b3d;
            color: #ffaa33;
            border-color: #ffaa3350;
            transform: translateY(-1px);
        }
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid #575f77;
            font-size: 1.5rem;
            color: white;
            padding: 0.4rem 0.8rem;
            border-radius: 14px;
            cursor: pointer;
        }
        .breadcrumb {
            font-size: 0.85rem;
            padding: 1.2rem 0 0.2rem;
            color: #9aa5c0;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb i {
            margin-right: 6px;
            color: #ffb347;
        }
        .breadcrumb a {
            color: #a6b8e0;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #595f75;
        }
        .content-grid {
            display: grid;
            grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr);
            gap: 2rem;
            padding: 2rem 0;
        }
        article {
            background: #1a1e2b;
            padding: 1.8rem 2rem;
            border-radius: 28px;
            box-shadow: 0 10px 35px rgba(0,0,0,0.35);
        }
        h1 {
            font-size: 2.7rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(to bottom, #ffffff, #dcc8a0);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.15;
            margin-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #ffe693;
            margin: 2.2rem 0 1rem;
            border-left: 5px solid #e87a00;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 650;
            color: #f4c27a;
            margin: 1.8rem 0 0.7rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #bdc8ff;
            margin: 1.3rem 0 0.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
            color: #d5dceb;
        }
        strong {
            color: #fff1bd;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0,0,0,0.4);
            border: 1px solid #4d546e;
        }
        .feature-img img {
            width: 100%;
        }
        .feature-img figcaption {
            padding: 0.7rem 1rem;
            font-size: 0.85rem;
            background: #0f141f;
            color: #a5b2cf;
        }
        .expert-callout {
            background: linear-gradient(to right, #241d2b, #1b2033);
            border-radius: 24px;
            padding: 1.4rem 1.8rem;
            margin: 1.7rem 0;
            border: 1px solid #f8c15c40;
            border-left: 8px solid #f89c2d;
        }
        .expert-callout i {
            color: #fdbe5c;
        }
        .table-wrap {
            overflow-x: auto;
            background: #1e2533;
            border-radius: 18px;
            padding: 0.1rem;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.96rem;
        }
        th {
            background: #333d55;
            color: #ffde9e;
            padding: 12px 10px;
            text-align: left;
        }
        td {
            border-bottom: 1px solid #30394b;
            padding: 10px 12px;
        }
        tr:hover {
            background: #282f43;
        }
        .btn-search {
            background: #222b3c;
            border-radius: 50px;
            padding: 0.2rem 0.3rem 0.2rem 1rem;
            display: flex;
            align-items: center;
            margin: 1.5rem 0;
            border: 1px solid #5d6c8c;
        }
        .btn-search form {
            display: flex;
            width: 100%;
            align-items: center;
            gap: 8px;
        }
        .btn-search input[type="search"] {
            background: transparent;
            border: none;
            padding: 0.7rem 0.2rem;
            color: white;
            width: 100%;
            font-size: 1rem;
            outline: none;
        }
        .btn-search button {
            background: #ffbb33;
            border: none;
            color: #1a1e2b;
            padding: 0.65rem 1.3rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
        }
        .btn-search button:hover {
            background: #ffd966;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin: 2.5rem 0 0;
        }
        .feedback-box {
            background: #1a2130;
            padding: 1.5rem;
            border-radius: 20px;
            border: 1px solid #37445f;
        }
        .feedback-box h3 {
            margin-top: 0;
        }
        .feedback-box form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feedback-box input, .feedback-box textarea {
            background: #121722;
            border: 1px solid #34405e;
            color: white;
            padding: 12px 14px;
            border-radius: 14px;
            font-family: inherit;
        }
        .feedback-box button {
            background: #5d7bdb;
            border: 0;
            color: white;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
        }
        .feedback-box button:hover {
            background: #7f9bf0;
        }
        friend-link {
            display: block;
            margin: 2.5rem 0 0;
            padding: 1.2rem 1.5rem;
            background: #191e2d;
            border-radius: 20px;
            border: 1px dashed #6f7ea0;
        }
        friend-link a {
            color: #99c7ff;
            margin-right: 1.2rem;
        }
        footer {
            background: #0e131e;
            padding: 2rem 0 2.5rem;
            margin-top: 2.5rem;
            border-top: 1px solid #2c354b;
        }
        .footer-copy {
            font-size: 0.95rem;
            color: #98a2c0;
            text-align: center;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            color: #d0dcff;
            font-weight: 500;
        }
        .footer-links a:hover {
            color: #ffee88;
        }
        .sidebar {
            background: #171b28;
            border-radius: 24px;
            padding: 1.8rem 1.5rem;
            height: fit-content;
            position: sticky;
            top: 20px;
        }
        .sidebar h2 {
            font-size: 1.2rem;
            border-left: 3px solid #ffb347;
            margin: 0 0 1.2rem 0;
            padding-left: 0.7rem;
            color: #f5deb0;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 0.9rem;
        }
        .sidebar a {
            font-size: 0.96rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar a i {
            width: 18px;
            color: #f0a500;
        }
        .sidebar a:hover {
            transform: translateX(5px);
        }
        @media (max-width: 940px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 1.5rem;
                order: 3;
            }
            h1 {
                font-size: 2rem;
            }
            .desktop-nav {
                display: none;
            }
            .menu-toggle {
                display: inline-block;
            }
            .nav-links.show {
                display: flex;
                flex-direction: column;
                width: 100%;
                gap: 0.5rem;
                padding: 1rem 0;
            }
            .nav-links li a {
                width: 100%;
                background: #1b2330;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            article {
                padding: 1.5rem 1.2rem;
            }
            .header-inner {
                align-items: center;
            }
        }
        @media (min-width: 941px) {
            .menu-toggle {
                display: none !important;
            }
            .nav-links {
                display: flex !important;
            }
        }
        .lowercase-p {
            text-align: justify;
        }
        .pro-tip {
            background: #222c41;
            border-radius: 16px;
            padding: 1rem 1.3rem;
            margin: 1.3rem 0;
        }
        .emoji-big {
            font-size: 1.2rem;
        }
        .schema-json {
            display: none;
        }