*,
        *::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, sans-serif;
            background: #f9f7f4;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b4536b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #7f2d46;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1e1e2a 0%, #2d2a3e 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(251, 191, 36, 0.2);
            display: inline-block;
            padding: 0.25rem 0;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #bbb;
            color: #bbb;
            display: block;
            letter-spacing: 0.5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .main-nav a {
            color: #e2dff0;
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fbbf24;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.7rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background: #f1ede8;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e3dbd2;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #a09888;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #7a6b5d;
        }
        .breadcrumb a:hover {
            color: #b4536b;
        }
        .breadcrumb .current {
            color: #3d332b;
            font-weight: 600;
        }
        .search-wrap {
            background: #fff;
            padding: 1.5rem 0 1rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 40px;
            background: #f3f0ec;
            padding: 0.2rem;
            border: 1px solid #ddd6ce;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 0 0 3px rgba(180, 83, 107, 0.2);
            border-color: #b4536b;
        }
        .search-form input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 0.7rem 1.2rem;
            font-size: 0.95rem;
            outline: none;
            border-radius: 40px;
            min-width: 0;
        }
        .search-form button {
            background: #b4536b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .search-form button:hover {
            background: #9a3f56;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-body h1 {
            font-size: 2.4rem;
            line-height: 1.2;
            margin-bottom: 0.6rem;
            color: #1e1e2a;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .content-body .subtitle {
            font-size: 1.1rem;
            color: #6b5b4e;
            margin-bottom: 1.8rem;
            border-left: 4px solid #fbbf24;
            padding-left: 1rem;
        }
        .content-body h2 {
            font-size: 1.7rem;
            margin-top: 2.5rem;
            margin-bottom: 0.8rem;
            color: #1e1e2a;
            font-weight: 700;
            border-bottom: 2px solid #efe7df;
            padding-bottom: 0.4rem;
        }
        .content-body h3 {
            font-size: 1.3rem;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
            color: #2d2a3e;
            font-weight: 600;
        }
        .content-body h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #3d332b;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 1rem;
            color: #2a2520;
        }
        .content-body ul,
        .content-body ol {
            margin-bottom: 1.2rem;
        }
        .content-body li {
            margin-bottom: 0.4rem;
        }
        .content-body .highlight-box {
            background: #f5f0ea;
            border-left: 5px solid #fbbf24;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .content-body .highlight-box strong {
            color: #7f2d46;
        }
        .content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
        }
        .content-body th,
        .content-body td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e3dbd2;
        }
        .content-body th {
            background: #1e1e2a;
            color: #fff;
            font-weight: 600;
        }
        .content-body tr:nth-child(even) {
            background: #f8f5f1;
        }
        .content-body tr:hover {
            background: #efe7df;
        }
        .content-body .featured-img {
            border-radius: 16px;
            margin: 1.8rem 0;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            width: 100%;
        }
        .content-body .emoji-lg {
            font-size: 1.3rem;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede8e2;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: #1e1e2a;
            border-bottom: 2px solid #fbbf24;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f3efe9;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            color: #4a3f35;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar-card a:hover {
            color: #b4536b;
        }
        .feedback-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2rem 2.5rem;
            margin: 2.5rem 0 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #ede8e2;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-card h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #1e1e2a;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .feedback-card input,
        .feedback-card textarea {
            padding: 0.7rem 1rem;
            border: 1px solid #ddd6ce;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #faf8f6;
            transition: border 0.25s, box-shadow 0.25s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus {
            outline: none;
            border-color: #b4536b;
            box-shadow: 0 0 0 3px rgba(180, 83, 107, 0.12);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn-submit {
            background: #1e1e2a;
            color: #fff;
            border: none;
            padding: 0.7rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            align-self: flex-start;
            font-size: 0.95rem;
        }
        .feedback-card .btn-submit:hover {
            background: #b4536b;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd6ce;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            padding: 0.3rem 0;
        }
        friend-link a {
            color: #c9b6a8;
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: #fbbf24;
        }
        .site-footer {
            background: #1e1e2a;
            color: #c9b6a8;
            padding: 2.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #f5f0ea;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .footer-inner p,
        .footer-inner li {
            font-size: 0.9rem;
        }
        .footer-inner ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-inner li {
            padding: 0.2rem 0;
        }
        .footer-bottom {
            border-top: 1px solid #332e44;
            padding-top: 1.2rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #8a7e72;
        }
        .footer-bottom .copyright {
            font-weight: 400;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #2d2a3e;
                padding: 0.75rem 0 1rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.6rem 1rem;
                width: 100%;
            }
            .hamburger {
                display: block;
            }
            .content-body h1 {
                font-size: 1.8rem;
            }
            .content-body h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 600px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .search-form button span {
                display: none;
            }
            .search-form button {
                padding: 0.7rem 1rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .feedback-section {
                padding: 1.2rem;
            }
        }
        .fa-fallback {
            font-family: 'Segoe UI', sans-serif;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 1rem;
            background: #b4536b;
            color: #fff;
            padding: 0.5rem 1.2rem;
            border-radius: 0 0 8px 8px;
            z-index: 200;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }