*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
            background: #f0f4f8;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ff6b35;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            display: inline-block;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
            background: inherit;
            -webkit-background-clip: text;
            background-clip: text;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aaa;
            -webkit-text-fill-color: #aaa;
            display: block;
            letter-spacing: 1px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #eee;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            color: #ffd200;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.4rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            margin: 0;
            padding: 0;
        }
        .breadcrumb ul li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #888;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb a:hover {
            color: #e67e22;
        }
        .breadcrumb .current {
            color: #7f8c8d;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            padding: 3rem 0 3.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "▣ ▤ ▥ ▦ ▧ ▨ ▩";
            font-size: 8rem;
            position: absolute;
            right: -2rem;
            bottom: -2rem;
            opacity: 0.06;
            letter-spacing: 1rem;
            pointer-events: none;
            white-space: nowrap;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 1.5rem;
            color: #cfd8e6;
            font-weight: 300;
        }
        .hero .update-badge {
            display: inline-block;
            background: rgba(255, 210, 0, 0.18);
            padding: 0.4rem 1.4rem;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #ffd200;
            border: 1px solid rgba(255, 210, 0, 0.25);
        }
        .search-section {
            background: #fff;
            padding: 1.8rem 0;
            border-bottom: 1px solid #e0e6ed;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            border: 1px solid #d0d7de;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
            background: #fff;
            min-width: 0;
        }
        .search-form button {
            background: linear-gradient(135deg, #f7971e, #ffd200);
            border: none;
            padding: 0 1.8rem;
            color: #1a1a2e;
            font-size: 1.1rem;
            cursor: pointer;
            transition: opacity 0.2s;
            font-weight: 600;
        }
        .search-form button:hover {
            opacity: 0.85;
        }
        .search-form button i {
            margin-right: 0.4rem;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            border-radius: 20px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .content-body h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin: 2.2rem 0 1rem;
            color: #0f0c29;
            border-left: 5px solid #f7971e;
            padding-left: 1.2rem;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #2c3e50;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.4rem 0 0.6rem;
            color: #34495e;
        }
        .content-body p {
            margin-bottom: 1.1rem;
            color: #2d3436;
        }
        .content-body .feature-img {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .content-body .feature-img img {
            width: 100%;
            display: block;
        }
        .content-body .feature-img figcaption {
            background: #f7f9fc;
            padding: 0.8rem 1.2rem;
            font-size: 0.85rem;
            color: #555;
            border-bottom: 1px solid #e9edf2;
        }
        .content-body strong {
            color: #0f0c29;
        }
        .content-body .highlight-box {
            background: #fef9e7;
            border-left: 4px solid #f7971e;
            padding: 1.2rem 1.6rem;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
        }
        .content-body .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 1.2rem;
        }
        .content-body .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.2rem;
            margin: 1.2rem 0;
            padding: 0;
            list-style: none;
        }
        .content-body .link-list-inline li a {
            background: #f0f4f8;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.88rem;
            border: 1px solid #dce3ec;
            transition: all 0.2s;
            display: inline-block;
        }
        .content-body .link-list-inline li a:hover {
            background: #ffd200;
            border-color: #f7971e;
            color: #1a1a2e;
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 1.8rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f0c29;
            border-bottom: 2px solid #f0f4f8;
            padding-bottom: 0.6rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 0.6rem;
            padding: 0.3rem 0;
            border-bottom: 1px solid #f0f4f8;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .sidebar-card ul li a i {
            color: #f7971e;
            width: 1.2rem;
            text-align: center;
        }
        .interaction-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.8rem;
            margin-top: 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .interaction-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            color: #0f0c29;
            border-left: 5px solid #f7971e;
            padding-left: 1rem;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 650px;
            margin-bottom: 2rem;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            padding: 0.8rem 1.2rem;
            border: 1px solid #d0d7de;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #fafcff;
            transition: border 0.2s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            outline: none;
            border-color: #f7971e;
            box-shadow: 0 0 0 3px rgba(247, 151, 30, 0.12);
        }
        .comment-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            align-self: flex-start;
            background: linear-gradient(135deg, #f7971e, #ffd200);
            border: none;
            padding: 0.7rem 2.2rem;
            border-radius: 60px;
            font-size: 1rem;
            font-weight: 600;
            color: #1a1a2e;
            cursor: pointer;
            transition: transform 0.15s, box-shadow 0.2s;
            box-shadow: 0 4px 12px rgba(247, 151, 30, 0.3);
        }
        .comment-form button:hover,
        .rating-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(247, 151, 30, 0.35);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #ffd200;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .site-footer {
            background: #0f0c29;
            color: #ccc;
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #ffd200;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .site-footer a {
            color: #bbb;
        }
        .site-footer a:hover {
            color: #ffd200;
        }
        .footer-copyright {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            margin-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #888;
        }
        .friend-link {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .friend-link a {
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .content-body {
                padding: 1.8rem 1.5rem;
            }
            .interaction-section {
                padding: 1.5rem 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(15, 12, 41, 0.98);
                padding: 1rem 0.5rem;
                border-radius: 16px;
                margin-top: 0.5rem;
                gap: 0.2rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 10px;
            }
            .header-inner {
                position: relative;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .content-body {
                padding: 1.2rem 1rem;
                border-radius: 12px;
            }
            .interaction-section {
                padding: 1.2rem 1rem;
                border-radius: 12px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 20px;
            }
            .search-form input[type="text"] {
                border-radius: 20px 20px 0 0;
                padding: 0.8rem 1.2rem;
            }
            .search-form button {
                border-radius: 0 0 20px 20px;
                padding: 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .content-body .link-list-inline {
                gap: 0.4rem 0.8rem;
            }
            .content-body .link-list-inline li a {
                font-size: 0.8rem;
                padding: 0.2rem 0.8rem;
            }
        }
        .schema-hidden {
            display: none;
        }