*,
        *::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, Helvetica, Arial, sans-serif;
            background: #f8f9fa;
            color: #1e293b;
            line-height: 1.75;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.04);
            border-radius: 24px;
            padding: 20px 24px 40px;
            margin-top: 16px;
            margin-bottom: 40px;
        }
        @media (min-width:768px) {
            .container {
                padding: 32px 48px 60px;
                margin-top: 24px;
            }
            body {
                padding: 0 24px;
            }
        }
        @media (min-width:1024px) {
            .container {
                padding: 40px 64px 80px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 16px;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-decoration: none;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: #e74c3c;
            font-size: 1.8rem;
        }
        .my-logo span {
            background: linear-gradient(145deg, #e74c3c, #c0392b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (max-width:599px) {
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo i {
                font-size: 1.4rem;
            }
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #ffffff;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
            padding: 16px 24px 24px;
            z-index: 100;
            border: 1px solid #eef2f6;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            padding: 10px 0;
            color: #1e293b;
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid #f0f2f5;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .main-nav a:last-child {
            border-bottom: none;
        }
        .main-nav a:hover {
            color: #e74c3c;
        }
        .main-nav a i {
            width: 20px;
            color: #64748b;
        }
        .hamburger {
            background: none;
            border: none;
            font-size: 1.6rem;
            cursor: pointer;
            color: #0f172a;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        @media (min-width:768px) {
            .hamburger {
                display: none;
            }
            .main-nav {
                display: flex !important;
                flex-direction: row;
                position: static;
                box-shadow: none;
                border: none;
                padding: 0;
                background: transparent;
                gap: 6px;
            }
            .main-nav a {
                border-bottom: none;
                padding: 8px 14px;
                border-radius: 40px;
                font-size: 0.9rem;
            }
            .main-nav a:hover {
                background: #f1f5f9;
                color: #e74c3c;
            }
            .nav-wrapper {
                gap: 4px;
            }
        }
        @media (min-width:1024px) {
            .main-nav a {
                font-size: 0.95rem;
                padding: 8px 18px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            padding: 14px 0 8px;
            font-size: 0.85rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: #475569;
            text-decoration: none;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #e74c3c;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #94a3b8;
        }
        .breadcrumb .current {
            color: #0f172a;
            font-weight: 600;
        }
        h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: #0f172a;
            margin: 16px 0 12px;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0f172a;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e74c3c;
            display: inline-block;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1e293b;
            margin: 28px 0 10px;
        }
        h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #334155;
            margin: 20px 0 8px;
        }
        p {
            margin-bottom: 16px;
            color: #334155;
        }
        .lead {
            font-size: 1.15rem;
            color: #1e293b;
            font-weight: 400;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        strong,
        b {
            color: #0f172a;
            font-weight: 700;
        }
        em {
            font-style: italic;
            color: #475569;
        }
        ul,
        ol {
            margin: 8px 0 18px 24px;
            color: #334155;
        }
        li {
            margin-bottom: 6px;
        }
        a {
            color: #e74c3c;
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0392b;
        }
        @media (min-width:768px) {
            h1 {
                font-size: 2.6rem;
                margin: 20px 0 16px;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .lead {
                font-size: 1.2rem;
            }
        }
        @media (min-width:1024px) {
            h1 {
                font-size: 3rem;
            }
        }
        .hero-figure {
            margin: 24px 0 32px;
            border-radius: 20px;
            overflow: hidden;
            background: #eef2f6;
            position: relative;
        }
        .hero-figure img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            max-height: 480px;
        }
        .hero-figure figcaption {
            padding: 12px 20px;
            background: #f1f5f9;
            font-size: 0.85rem;
            color: #475569;
            border-top: 1px solid #e2e8f0;
        }
        .hero-figure figcaption i {
            margin-right: 6px;
            color: #e74c3c;
        }
        .search-section {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 20px 24px;
            margin: 32px 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .search-section label {
            font-weight: 600;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section form {
            display: flex;
            flex: 1;
            gap: 8px;
            flex-wrap: wrap;
        }
        .search-section input[type="search"] {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #ffffff;
            transition: border 0.2s;
            outline: none;
        }
        .search-section input[type="search"]:focus {
            border-color: #e74c3c;
        }
        .search-section button {
            padding: 10px 24px;
            background: #e74c3c;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-section button:hover {
            background: #c0392b;
        }
        .search-section button:active {
            transform: scale(0.97);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin: 36px 0 28px;
        }
        @media (min-width:768px) {
            .interact-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        .interact-card {
            background: #f8fafc;
            border-radius: 16px;
            padding: 20px 24px;
            border: 1px solid #eef2f6;
        }
        .interact-card h3 {
            font-size: 1.1rem;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interact-card h3 i {
            color: #e74c3c;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 10px 14px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #ffffff;
            transition: border 0.2s;
            outline: none;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #e74c3c;
        }
        .interact-card textarea {
            min-height: 70px;
            resize: vertical;
        }
        .interact-card button {
            padding: 10px 20px;
            background: #0f172a;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            align-self: flex-start;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .interact-card button:hover {
            background: #1e293b;
        }
        .interact-card button:active {
            transform: scale(0.97);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.2s, transform 0.1s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .star-rating label:hover {
            transform: scale(1.15);
        }
        .rating-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .site-footer {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 2px solid #e9edf2;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 16px 4px 0;
            color: #475569;
            text-decoration: none;
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color 0.2s;
        }
        friend-link a:hover {
            color: #e74c3c;
            text-decoration: underline;
        }
        .copyright {
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }
        .copyright a {
            color: #475569;
            text-decoration: none;
        }
        .copyright a:hover {
            color: #e74c3c;
        }
        .copyright i {
            color: #e74c3c;
        }
        .update-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #eef2f6;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            color: #475569;
        }
        @media (max-width:480px) {
            .container {
                padding: 12px 12px 32px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .search-section {
                padding: 16px;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="search"] {
                min-width: auto;
            }
            .interact-card {
                padding: 16px;
            }
            .star-rating {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media (min-width:481px) and (max-width:767px) {
            .container {
                padding: 16px 18px 40px;
            }
            h1 {
                font-size: 1.8rem;
            }
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .gap-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 24px;
            font-size: 0.9rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .data-table th {
            background: #0f172a;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #eef2f6;
            background: #fafbfc;
        }
        .data-table tr:last-child td {
            border-bottom: none;
        }
        .data-table td:first-child {
            font-weight: 600;
        }
        @media (max-width:600px) {
            .data-table {
                font-size: 0.8rem;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }
        .insight-box {
            background: #fef9f7;
            border-left: 4px solid #e74c3c;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .insight-box p {
            margin-bottom: 4px;
        }
        .insight-box i {
            color: #e74c3c;
            margin-right: 8px;
        }
        .tip-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin: 16px 0 24px;
        }
        @media (min-width:600px) {
            .tip-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width:900px) {
            .tip-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .tip-card {
            background: #ffffff;
            border: 1px solid #eef2f6;
            border-radius: 16px;
            padding: 18px 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .tip-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .tip-card i {
            font-size: 1.6rem;
            color: #e74c3c;
            margin-bottom: 8px;
            display: block;
        }
        .tip-card h4 {
            margin: 0 0 6px;
        }
        .tip-card p {
            font-size: 0.92rem;
            margin-bottom: 0;
        }
