*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #e74c3c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0d0d1a;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h1 {
            font-size: 2.2rem;
            margin-top: 0.5rem;
            border-bottom: 3px solid #c0392b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.7rem;
            border-left: 5px solid #c0392b;
            padding-left: 0.9rem;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #2c3e50;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.15rem;
            color: #34495e;
            margin-top: 1.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
            color: #2d2d44;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .badge {
            display: inline-block;
            background: #c0392b;
            color: #fff;
            font-size: 0.75rem;
            padding: 0.15rem 0.7rem;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d0d1a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f1c40f;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 0 rgba(192, 57, 43, 0.5);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #f1c40f;
            text-decoration: none;
        }
        .my-logo small {
            display: block;
            font-size: 0.6rem;
            font-weight: 400;
            color: #bdc3c7;
            letter-spacing: 1px;
            text-shadow: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid #f1c40f;
            color: #f1c40f;
            font-size: 1.5rem;
            padding: 0.3rem 0.9rem;
            border-radius: 6px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: #f1c40f;
            color: #0d0d1a;
        }
        .navbar {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .navbar a {
            color: #ecf0f1;
            padding: 0.4rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.25s;
            white-space: nowrap;
        }
        .navbar a:hover {
            background: rgba(241, 196, 15, 0.15);
            color: #f1c40f;
            text-decoration: none;
        }
        .navbar a.active {
            background: #c0392b;
            color: #fff;
        }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid #e0e4ec;
            padding: 0.6rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.8rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-wrap nav ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #999;
            font-weight: 700;
        }
        .breadcrumb-wrap a {
            color: #c0392b;
        }
        .breadcrumb-wrap .current {
            color: #555;
            font-weight: 600;
        }
        .hero-section {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
            border-radius: 20px;
            padding: 2rem 2.5rem;
            margin: 2rem 0 2.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
            color: #fff;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }
        .hero-section .hero-text {
            flex: 1 1 300px;
        }
        .hero-section .hero-text h1 {
            color: #f1c40f;
            border: none;
            margin-top: 0;
            font-size: 2.4rem;
            padding-bottom: 0.3rem;
        }
        .hero-section .hero-text p {
            color: #d5dbe8;
            font-size: 1.05rem;
        }
        .hero-section .hero-img {
            flex: 0 0 280px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        .hero-section .hero-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .hero-cta {
            display: inline-block;
            background: #f1c40f;
            color: #0d0d1a;
            padding: 0.6rem 1.8rem;
            border-radius: 40px;
            font-weight: 700;
            margin-top: 0.5rem;
            transition: 0.25s;
        }
        .hero-cta:hover {
            background: #e74c3c;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .main-content {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            align-self: start;
            position: sticky;
            top: 90px;
        }
        .sidebar h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #eee;
            padding-bottom: 0.6rem;
            color: #c0392b;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 1rem 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar ul li a {
            color: #2c3e50;
            font-weight: 500;
        }
        .sidebar ul li a:hover {
            color: #c0392b;
        }
        .form-card {
            background: #f9fafc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            border: 1px solid #e8ecf2;
        }
        .form-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
            color: #1a1a2e;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce1ec;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #c0392b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #e74c3c;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #c0392b;
            color: #c0392b;
        }
        .btn-outline:hover {
            background: #c0392b;
            color: #fff;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            transition: 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        .comment-item {
            padding: 1rem 0;
            border-bottom: 1px solid #eee;
        }
        .comment-item strong {
            color: #c0392b;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #888;
        }
        .site-footer {
            background: #0d0d1a;
            color: #bdc3c7;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer a {
            color: #f1c40f;
        }
        .site-footer a:hover {
            color: #e74c3c;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-grid h4 {
            color: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0;
        }
        .footer-grid ul li {
            padding: 0.25rem 0;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.03);
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0 1rem;
            border: 1px solid rgba(241, 196, 15, 0.15);
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
        }
        .copyright {
            border-top: 1px solid #2a2a40;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        .copyright strong {
            color: #f1c40f;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .hero-section {
                flex-direction: column-reverse;
                padding: 1.5rem;
            }
            .hero-section .hero-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .main-content {
                padding: 1.2rem;
            }
            .form-card {
                padding: 1.2rem;
            }
        }
        @media (max-width: 680px) {
            .nav-toggle {
                display: block;
            }
            .navbar {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a1a2e;
                padding: 1rem 0;
                border-radius: 12px;
                margin-top: 0.5rem;
            }
            .navbar.open {
                display: flex;
            }
            .navbar a {
                padding: 0.6rem 1.2rem;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hero-section .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-section {
                padding: 1.2rem;
            }
            .container {
                padding: 0 0.8rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        @media (min-width: 681px) {
            .navbar {
                display: flex !important;
            }
        }
        .text-muted {
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .last-updated {
            background: #fef9e7;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            display: inline-block;
            border: 1px solid #f9e79f;
            color: #7d6608;
        }
        .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 #e0e4ec;
        }
        th {
            background: #f0f2f7;
            font-weight: 700;
            color: #1a1a2e;
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f1c40f;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            margin: 1.8rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .tip-icon {
            color: #f1c40f;
            font-weight: 700;
        }