*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f8f9fa;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0 1rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #0057b3;
            text-decoration: underline;
            transition: color 0.2s;
        }
        a:hover {
            color: #003d7a;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 600;
            line-height: 1.3;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #12121c;
        }
        h1 {
            font-size: 2.4rem;
            border-left: 6px solid #ff6b35;
            padding-left: 1.2rem;
            margin-top: 1.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid #e2e5ec;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #2a2a3e;
        }
        h4 {
            font-size: 1.15rem;
            color: #3a3a4e;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-left: 1.6rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.3rem;
        }
        strong {
            font-weight: 700;
            color: #0b0b14;
        }
        .emoji {
            font-style: normal;
        }
        hr {
            border: none;
            border-top: 1px solid #d0d4dd;
            margin: 2rem 0;
        }
        header {
            padding: 1.2rem 0 0.6rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #dce0e8;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            color: #12121c;
            background: linear-gradient(135deg, #ff6b35, #f7c948);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            padding: 0.2rem 0;
        }
        .my-logo:hover {
            opacity: 0.8;
        }
        .my-logo small {
            font-size: 1rem;
            font-weight: 400;
            -webkit-text-fill-color: #555;
            color: #555;
            background: none;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 1.6rem;
        }
        nav .nav-links {
            display: flex;
            gap: 1.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        nav .nav-links li a {
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1e1e2a;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s;
        }
        nav .nav-links li a:hover {
            border-bottom-color: #ff6b35;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: #1e1e2a;
            padding: 0.2rem 0.4rem;
        }
        .hamburger:hover {
            color: #ff6b35;
        }
        .breadcrumb {
            padding: 0.6rem 0 0.8rem;
            font-size: 0.9rem;
            color: #5a5a6e;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .breadcrumb a {
            color: #0057b3;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #7a7a8e;
        }
        .search-box {
            background: #ffffff;
            border-radius: 40px;
            padding: 0.4rem 0.4rem 0.4rem 1.4rem;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #e0e4ee;
            max-width: 480px;
            margin: 1.6rem 0 1.8rem;
        }
        .search-box input {
            border: none;
            background: transparent;
            flex: 1;
            font-size: 1rem;
            padding: 0.6rem 0;
            outline: none;
            font-family: inherit;
        }
        .search-box button {
            background: #ff6b35;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.2s;
        }
        .search-box button:hover {
            background: #e55a2b;
        }
        .interaction-forms {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            background: #ffffff;
            padding: 1.8rem 2rem;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin: 2.4rem 0;
            border: 1px solid #eaeef5;
        }
        .interaction-forms>div {
            flex: 1 1 240px;
        }
        .interaction-forms label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.4rem;
            font-size: 0.95rem;
        }
        .interaction-forms input,
        .interaction-forms textarea,
        .interaction-forms select {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border: 1px solid #d0d4dd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fafbfc;
            transition: border 0.2s;
        }
        .interaction-forms input:focus,
        .interaction-forms textarea:focus,
        .interaction-forms select:focus {
            border-color: #ff6b35;
            outline: none;
            background: #fff;
        }
        .interaction-forms textarea {
            min-height: 72px;
            resize: vertical;
        }
        .interaction-forms .btn-submit {
            background: #1e1e2a;
            color: #fff;
            border: none;
            padding: 0.6rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.2s;
            margin-top: 0.5rem;
        }
        .interaction-forms .btn-submit:hover {
            background: #ff6b35;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.5rem;
            color: #d0d4dd;
            cursor: pointer;
            margin: 0.4rem 0 0.6rem;
        }
        .star-rating i {
            transition: color 0.15s;
        }
        .star-rating i.active {
            color: #f7c948;
        }
        .star-rating i:hover {
            color: #f7c948;
        }
        .feature-image {
            margin: 1.8rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.06);
        }
        .feature-image figcaption {
            font-size: 0.85rem;
            color: #5a5a6e;
            padding: 0.6rem 1rem;
            background: #f0f2f7;
            font-style: italic;
        }
        friend-link {
            display: block;
            padding: 1.6rem 0 0.8rem;
            border-top: 1px solid #dce0e8;
            margin-top: 2rem;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
            padding: 0.2rem 0.8rem;
            background: #f0f2f7;
            border-radius: 20px;
            text-decoration: none;
            color: #1e1e2a;
            font-weight: 500;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #ff6b35;
            color: #fff;
        }
        footer {
            padding: 1.6rem 0 2.4rem;
            font-size: 0.9rem;
            color: #5a5a6e;
            border-top: 1px solid #dce0e8;
            margin-top: 1.2rem;
            text-align: center;
        }
        footer .copyright {
            font-weight: 400;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.8rem;
            }
            h1 {
                font-size: 1.8rem;
                padding-left: 0.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            nav .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                right: 0;
                background: #ffffff;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
                border-radius: 0 0 16px 16px;
                padding: 1.2rem 1.6rem;
                gap: 0.8rem;
                z-index: 200;
                border: 1px solid #eaeef5;
                min-width: 200px;
            }
            nav .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .interaction-forms {
                padding: 1.2rem;
                gap: 1.2rem;
            }
            .search-box {
                max-width: 100%;
                flex-wrap: wrap;
                border-radius: 24px;
                padding: 0.3rem 0.3rem 0.3rem 1rem;
            }
            .search-box input {
                font-size: 0.9rem;
                padding: 0.4rem 0;
                min-width: 120px;
            }
            .search-box button {
                padding: 0.4rem 1.2rem;
                font-size: 0.85rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            h3 {
                font-size: 1.05rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .interaction-forms {
                padding: 0.8rem;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a6a7e;
            background: #f0f2f7;
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            margin: 1rem 0 0.2rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.4rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.6rem 0.8rem;
            border: 1px solid #d0d4dd;
            text-align: left;
        }
        th {
            background: #f0f2f7;
            font-weight: 600;
        }
        .blockquote {
            background: #f4f6fa;
            border-left: 4px solid #ff6b35;
            padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
            font-style: italic;
        }