*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #0b0d0f;
            color: #e8edf0;
            line-height: 1.75;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
        }
        a {
            color: #f5c842;
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffdd77;
            text-shadow: 0 0 8px rgba(245, 200, 66, 0.25);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            letter-spacing: 0.01em;
            color: #f0f4f8;
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            margin: 0.5em 0 0.4em;
            border-left: 6px solid #f5c842;
            padding-left: 24px;
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.2rem);
            margin: 1.8em 0 0.6em;
            border-bottom: 2px solid rgba(245, 200, 66, 0.25);
            padding-bottom: 8px;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
            margin: 1.4em 0 0.5em;
            color: #f5c842;
        }
        h4 {
            font-size: clamp(1rem, 2vw, 1.25rem);
            margin: 1.2em 0 0.4em;
            color: #cfddee;
        }
        p {
            margin-bottom: 1.2em;
            font-size: 1.05rem;
            color: #dce3ea;
        }
        strong,
        b {
            color: #f5f7fa;
            font-weight: 600;
        }
        .container {
            background: #13171c;
            border-radius: 24px;
            padding: 24px 28px;
            margin: 20px 0 40px;
            box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.8);
        }
        @media (max-width: 640px) {
            body {
                padding: 0 10px;
            }
            .container {
                padding: 16px 14px;
                border-radius: 16px;
            }
            h1 {
                padding-left: 16px;
                border-left-width: 4px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f5c842 0%, #d4a017 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(245, 200, 66, 0.2);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.45em;
            font-weight: 400;
            -webkit-text-fill-color: #9aa9b9;
            color: #9aa9b9;
            display: block;
            letter-spacing: 0.3px;
        }
        .my-logo a {
            text-decoration: none;
            color: inherit;
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-list {
            display: flex;
            gap: 8px 18px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-list a {
            padding: 6px 10px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #c8d2dc;
            transition: background 0.25s, color 0.25s;
        }
        .nav-list a:hover {
            background: rgba(245, 200, 66, 0.12);
            color: #f5c842;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e8edf0;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: inline-block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a2027;
                padding: 18px 16px;
                border-radius: 16px;
                margin-top: 12px;
                gap: 4px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }
            #nav-toggle:checked+.hamburger+.nav-list {
                display: flex;
            }
            .nav-wrap {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            font-size: 0.85rem;
            padding: 12px 0 6px;
            color: #8a9aa8;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 14px;
            color: #5a6a78;
        }
        .breadcrumb a {
            color: #b0c0ce;
        }
        .breadcrumb a:hover {
            color: #f5c842;
        }
        .breadcrumb .current {
            color: #f5c842;
            font-weight: 500;
        }
        .search-box {
            display: flex;
            max-width: 520px;
            margin: 28px 0 32px;
            border-radius: 60px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: #1a2128;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .search-box:focus-within {
            border-color: #f5c842;
            box-shadow: 0 0 0 3px rgba(245, 200, 66, 0.15);
        }
        .search-box input {
            flex: 1;
            padding: 14px 20px;
            border: none;
            background: transparent;
            color: #e8edf0;
            font-size: 1rem;
            outline: none;
        }
        .search-box input::placeholder {
            color: #6a7a88;
        }
        .search-box button {
            padding: 14px 24px;
            background: #f5c842;
            border: none;
            color: #0b0d0f;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-box button:hover {
            background: #ffdd66;
            transform: scale(1.02);
        }
        .user-feedback {
            display: flex;
            flex-wrap: wrap;
            gap: 30px 50px;
            margin: 40px 0 30px;
            padding: 28px 24px;
            background: #1a2128;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .feedback-section {
            flex: 1 1 260px;
        }
        .feedback-section h3 {
            font-size: 1.2rem;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-section textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: #0f151c;
            color: #e8edf0;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            transition: border-color 0.3s;
        }
        .feedback-section textarea:focus {
            border-color: #f5c842;
            outline: none;
        }
        .feedback-section .btn-row {
            display: flex;
            gap: 10px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .feedback-section .btn-row button {
            padding: 10px 22px;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            background: #2a3540;
            color: #e8edf0;
        }
        .feedback-section .btn-row button:hover {
            background: #f5c842;
            color: #0b0d0f;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 6px;
            justify-content: flex-end;
            margin: 10px 0 14px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #3a4856;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5c842;
            transform: scale(1.08);
        }
        .feature-img {
            margin: 32px 0 28px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.7);
            background: #1a2128;
            padding: 8px;
        }
        .feature-img img {
            width: 100%;
            border-radius: 10px;
        }
        .feature-img figcaption {
            padding: 12px 8px 4px;
            font-size: 0.9rem;
            color: #9aa9b9;
            text-align: center;
            font-style: italic;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            padding: 16px 0 8px;
            list-style: none;
        }
        .related-links a {
            background: rgba(245, 200, 66, 0.07);
            padding: 4px 16px 4px 12px;
            border-radius: 40px;
            font-size: 0.9rem;
            border: 1px solid rgba(245, 200, 66, 0.08);
            transition: background 0.25s, border-color 0.25s;
        }
        .related-links a:hover {
            background: rgba(245, 200, 66, 0.16);
            border-color: rgba(245, 200, 66, 0.3);
        }
        .site-footer {
            padding: 32px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 48px;
            font-size: 0.9rem;
        }
        .site-footer friend-link {
            display: block;
            margin: 14px 0 18px;
            padding: 14px 18px;
            background: #1a2128;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .site-footer friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            padding: 2px 0;
        }
        .copyright {
            color: #7a8a98;
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 18px;
            text-align: center;
        }
        .copyright strong {
            color: #b0c0ce;
        }
        .badge {
            display: inline-block;
            background: #f5c842;
            color: #0b0d0f;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 40px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .last-updated {
            color: #8a9aa8;
            font-size: 0.85rem;
            margin: 6px 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .last-updated i {
            color: #f5c842;
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(245, 200, 66, 0.15), transparent);
            margin: 32px 0;
        }
        @media (max-width: 480px) {
            .user-feedback {
                padding: 18px 14px;
                gap: 20px;
            }
            .star-rating label {
                font-size: 1.6rem;
            }
            .feature-img {
                padding: 4px;
            }
        }