*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0 0 0 0;
        }
        a {
            color: #e67e22;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #d35400;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0f0c29, #1a1a3e);
            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;
        }
        .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;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #eee;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.4rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffd200;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 2rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        .nav-open .nav-menu {
            display: flex !important;
            flex-direction: column;
            width: 100%;
            margin-top: 0.8rem;
            gap: 0.4rem;
        }
        .breadcrumb {
            background: transparent;
            padding: 0.8rem 0 0.2rem 0;
            font-size: 0.85rem;
            color: #8899aa;
        }
        .breadcrumb a {
            color: #e67e22;
        }
        .breadcrumb span {
            color: #556677;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.5rem;
            margin: 1.5rem 0 2rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        @media (max-width:768px) {
            .main-content {
                padding: 1.2rem 1rem;
            }
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: #0f0c29;
        }
        h1 i {
            color: #e67e22;
            margin-right: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 0.9rem;
            color: #1a1a3e;
            border-left: 5px solid #f7971e;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            color: #34495e;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2c3e50;
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 6px solid #f39c12;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.6rem 0;
        }
        .highlight-box p {
            margin-bottom: 0.4rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #e67e22, #f39c12);
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: transform 0.15s, box-shadow 0.2s;
            box-shadow: 0 4px 12px rgba(230, 126, 34, 0.3);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(230, 126, 34, 0.4);
            text-decoration: none;
            color: #fff;
        }
        .btn-sm {
            padding: 0.35rem 1rem;
            font-size: 0.85rem;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            color: #2c3e50;
            padding: 0.2rem 0.9rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-right: 0.3rem;
        }
        .form-section {
            background: #f8fafd;
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin: 2.5rem 0;
            border: 1px solid #e9edf4;
        }
        .form-section h3 {
            margin-top: 0;
            border-left: none;
            padding-left: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1a1a3e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 2px solid #dce3ed;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #e67e22;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            direction: ltr;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.1s;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: #f39c12;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .comment-item {
            background: #f0f3f9;
            border-radius: 14px;
            padding: 1rem 1.4rem;
            margin-bottom: 0.8rem;
        }
        .comment-item strong {
            color: #1a1a3e;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #7a8a9a;
            margin-left: 0.8rem;
        }
        .site-footer {
            background: #0f0c29;
            color: #ccd;
            padding: 2.2rem 0 1.8rem 0;
            margin-top: 2.5rem;
            border-radius: 30px 30px 0 0;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-col {
            flex: 1 1 200px;
        }
        .footer-col h4 {
            color: #ffd200;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
            border-left: none;
            padding-left: 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.3rem;
        }
        .footer-col ul li a {
            color: #aab;
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: #ffd200;
        }
        .copyright {
            border-top: 1px solid #2a2a4a;
            padding-top: 1.2rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #7788aa;
        }
        friend-link {
            display: block;
            padding: 0.8rem 0;
            color: #aab;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #e67e22;
            margin: 0 0.2rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.3rem;
                padding: 0.6rem 0 0.2rem 0;
            }
            .nav-menu li a {
                display: block;
                padding: 0.5rem 0.8rem;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .main-content {
                padding: 1rem 0.8rem;
            }
            .form-section {
                padding: 1.2rem 1rem;
            }
            .footer-inner {
                flex-direction: column;
                gap: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 0.8rem;
            }
        }
        .text-muted {
            color: #6c7a8a;
        }
        .flex {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #7a8a9a;
            border-top: 1px solid #e9edf4;
            padding-top: 0.8rem;
            margin-top: 1.5rem;
        }
        .schema-hidden {
            display: none;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }