        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f4f7fb;
            color: #1e293b;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #8b6508;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        :root {
            --primary: #0a1e3d;
            --secondary: #b8860b;
            --accent: #c62828;
            --light-bg: #ffffff;
            --soft-bg: #f0f4fa;
            --text-dark: #1e293b;
            --text-mid: #475569;
            --text-light: #94a3b8;
            --gold: #d4a017;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .site-header {
            background: linear-gradient(135deg, #0a1e3d 0%, #132e5a 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            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;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f7d875, #b8860b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(184, 134, 11, 0.3);
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #b0c4de;
            display: block;
            font-weight: 400;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: var(--gold);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: #e2e8f0;
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: 0.25s;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f7d875;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
        }
        .breadcrumb {
            padding: 12px 0 4px 0;
            font-size: 0.85rem;
            color: #94a3b8;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: #b8860b;
        }
        .breadcrumb a:hover {
            color: #d4a017;
        }
        .breadcrumb span {
            color: #64748b;
        }
        .hero {
            background: linear-gradient(145deg, #0a1e3d, #1a3a6a);
            color: #fff;
            padding: 48px 0 56px;
            border-radius: 0 0 32px 32px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f7d875, #e6b800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 720px;
        }
        .hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: var(--gold);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        .main-content {
            background: var(--light-bg);
            border-radius: 20px;
            padding: 36px 32px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--light-bg);
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            border-bottom: 3px solid var(--gold);
            padding-bottom: 10px;
            margin-bottom: 16px;
            color: var(--primary);
        }
        h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 48px 0 20px 0;
            padding-bottom: 8px;
            border-bottom: 4px solid var(--gold);
        }
        h2:first-of-type {
            margin-top: 8px;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: #0f2b50;
            margin: 32px 0 14px 0;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #1e3a5f;
            margin: 24px 0 10px 0;
        }
        p {
            margin-bottom: 18px;
            color: var(--text-mid);
        }
        .main-content p strong {
            color: #0a1e3d;
        }
        .feature-img {
            margin: 28px 0 32px;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.10);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: #64748b;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .form-card {
            background: var(--soft-bg);
            border-radius: 16px;
            padding: 28px 24px;
            margin: 30px 0;
            border: 1px solid #e2e8f0;
        }
        .form-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-dark);
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #d1d9e6;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 4px rgba(184, 134, 11, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: #132e5a;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(10, 30, 61, 0.3);
        }
        .btn-gold {
            background: var(--gold);
            color: #0a1e3d;
        }
        .btn-gold:hover {
            background: #c59400;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            color: #d1d9e6;
            transition: 0.1s;
        }
        .star-rating i.active {
            color: #f7c948;
        }
        .star-rating i:hover,
        .star-rating i.hover {
            color: #f7c948;
        }
        .link-list {
            list-style: none;
            padding: 0;
        }
        .link-list li {
            padding: 8px 0;
            border-bottom: 1px solid #eef2f6;
        }
        .link-list li:last-child {
            border: none;
        }
        .link-list li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list li a i {
            color: var(--gold);
            width: 20px;
        }
        .site-footer {
            background: var(--primary);
            color: #cbd5e1;
            padding: 40px 0 28px;
            margin-top: 60px;
            border-radius: 32px 32px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            color: #f7d875;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #b0c4de;
        }
        .site-footer a:hover {
            color: #f7d875;
        }
        friend-link {
            display: block;
            margin-top: 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 8px;
                background: rgba(255, 255, 255, 0.05);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero {
                padding: 32px 0 40px;
            }
            .main-content {
                padding: 24px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .form-card {
                padding: 20px 16px;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                order: 2;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #eef2f6;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gold);
            border-radius: 8px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        :focus-visible {
            outline: 3px solid var(--gold);
            outline-offset: 2px;
        }
