*,
        *::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', Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #c44536;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #772e1f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
            color: #0f1a2e;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #c44536;
            padding-left: 0.75rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f1a2e 0%, #1a2f3f 100%);
            color: #fff;
            padding: 0.6rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f7d44a;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            font-size: 2rem;
            color: #f7a83e;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            color: #f7d44a;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #b0c7db;
            font-size: 1rem;
            margin-left: 0.2rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.2rem 0.8rem;
        }
        .main-nav a {
            color: #dce6f0;
            font-weight: 500;
            padding: 0.4rem 0.7rem;
            border-radius: 6px;
            font-size: 0.92rem;
            transition: 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7d44a;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e8edf4;
            padding: 0.6rem 0;
            font-size: 0.88rem;
            border-bottom: 1px solid #d0d9e6;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a8aa0;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2c4a6e;
        }
        .breadcrumb .current {
            color: #6b7f98;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #e3eef9 0%, #d0dfee 100%);
            padding: 2.5rem 0 2rem;
            border-bottom: 4px solid #c44536;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-top: 0;
        }
        .hero h1 i {
            color: #c44536;
            margin-right: 0.3rem;
        }
        .hero .subtitle {
            font-size: 1.15rem;
            color: #2a4058;
            margin: 0.6rem 0 1.2rem;
            font-weight: 400;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            margin-top: 1.2rem;
        }
        .hero-stats span {
            font-weight: 600;
            color: #0f1a2e;
        }
        .hero-stats i {
            color: #c44536;
            margin-right: 0.3rem;
        }
        .hero-img {
            border-radius: 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.13);
            width: 100%;
            background: #b8cfdf;
        }
        .search-section {
            background: #fff;
            padding: 1.2rem 0;
            border-bottom: 1px solid #dce3ed;
        }
        .search-form {
            display: flex;
            max-width: 640px;
            margin: 0 auto;
            gap: 0.5rem;
            border-radius: 40px;
            overflow: hidden;
            border: 2px solid #cbd6e4;
            background: #fff;
            transition: 0.2s;
        }
        .search-form:focus-within {
            border-color: #c44536;
            box-shadow: 0 0 0 4px rgba(196, 69, 54, 0.15);
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 0.75rem 1.2rem;
            font-size: 1rem;
            background: transparent;
            outline: none;
            color: #1e2a3a;
        }
        .search-form button {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 0.75rem 1.6rem;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #a33326;
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .content-area article {
            background: #fff;
            padding: 2rem 2rem 2.5rem;
            border-radius: 16px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h4 {
            margin-top: 0;
            font-size: 1.1rem;
            border-bottom: 2px solid #e8edf4;
            padding-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar-card li {
            padding: 0.3rem 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar-card li a {
            color: #2c4a6e;
            font-weight: 500;
        }
        .sidebar-card li a:hover {
            color: #c44536;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #e0e6ef;
        }
        th {
            background: #0f1a2e;
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f7f9fc;
        }
        tr:hover td {
            background: #edf2f8;
        }
        .feedback-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px dashed #d0d9e6;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .feedback-card {
            background: #f7f9fc;
            border-radius: 14px;
            padding: 1.6rem;
            border: 1px solid #e0e6ef;
        }
        .feedback-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 0.7rem 1rem;
            border: 1px solid #ccd7e8;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            background: #fff;
            transition: 0.2s;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #c44536;
            outline: none;
            box-shadow: 0 0 0 3px rgba(196, 69, 54, 0.12);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .feedback-card .btn {
            background: #c44536;
            color: #fff;
            border: none;
            padding: 0.7rem 1.4rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            align-self: flex-start;
        }
        .feedback-card .btn:hover {
            background: #a33326;
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.6rem;
            color: #ccd7e8;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f7b731;
        }
        .site-footer {
            background: #0f1a2e;
            color: #b0c7db;
            padding: 2.5rem 0 1.8rem;
            margin-top: 2.5rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .site-footer h4 {
            color: #f7d44a;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b0c7db;
        }
        .site-footer a:hover {
            color: #f7d44a;
        }
        .friend-links {
            margin: 1.2rem 0;
            padding: 1rem 0;
            border-top: 1px solid #283a4e;
            border-bottom: 1px solid #283a4e;
        }
        .friend-links a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.2rem 0.6rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.2rem;
            font-size: 0.85rem;
            color: #7a8aa0;
        }
        .copyright strong {
            color: #b0c7db;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-stats {
                justify-content: center;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background: #0f1a2e;
                padding: 0.8rem 0.5rem;
                border-radius: 0 0 12px 12px;
                gap: 0.3rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.5rem 0.8rem;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .content-area article {
                padding: 1.2rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 1.5rem 0;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .search-form input {
                padding: 0.55rem 0.8rem;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 0.55rem 1rem;
                font-size: 0.9rem;
            }
            .content-area article {
                padding: 1rem;
            }
        }
        .badge {
            display: inline-block;
            background: #c44536;
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }
        .highlight-box {
            background: #f0f6fe;
            border-left: 4px solid #c44536;
            padding: 1.2rem 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 1.5rem 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 0.2rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6b7f98;
            margin-top: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-top {
            display: inline-block;
            background: #0f1a2e;
            color: #fff;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: 0.2s;
        }
        .btn-top:hover {
            background: #c44536;
            color: #fff;
            text-decoration: none;
        }
        .inline-icon {
            margin-right: 0.3rem;
            color: #c44536;
        }
        figure {
            margin: 1.8rem 0;
        }
        figcaption {
            font-size: 0.88rem;
            color: #5a6f88;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }