        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f4f7fb;
            color: #1e1e2a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #b8860b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #6b4c0a;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(145deg, #0e1a2b 0%, #1b2c45 100%);
            color: #f0e6d3;
            padding: 18px 0;
            border-bottom: 4px solid #b8860b;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .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: 2px;
            background: linear-gradient(135deg, #f5d98e, #b8860b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(184, 134, 11, 0.25);
            font-family: 'Georgia', 'Times New Roman', serif;
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .my-logo a:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 6px 16px;
            flex-wrap: wrap;
        }
        .nav-list li a {
            color: #e8dccc;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-list li a:hover {
            background: rgba(184, 134, 11, 0.25);
            color: #ffdf8c;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #b8860b;
            color: #f0e6d3;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(184, 134, 11, 0.2);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0e1a2b;
                padding: 16px 0 12px 0;
                border-top: 1px solid #2a3f5a;
                margin-top: 12px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 10px 16px;
                display: block;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #8a9aa8;
        }
        .breadcrumb a {
            color: #2c5282;
        }
        .breadcrumb .current {
            color: #4a5568;
            font-weight: 600;
        }
        .page-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .page-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        .content-area h1 {
            font-size: 2.6rem;
            color: #0e1a2b;
            margin-bottom: 0.5rem;
            border-left: 6px solid #b8860b;
            padding-left: 20px;
            font-weight: 800;
            line-height: 1.2;
        }
        .content-area h2 {
            font-size: 1.9rem;
            margin: 2.2rem 0 0.8rem 0;
            color: #1b2c45;
            border-bottom: 2px solid #e2d5c0;
            padding-bottom: 6px;
            font-weight: 700;
        }
        .content-area h3 {
            font-size: 1.4rem;
            margin: 1.6rem 0 0.5rem 0;
            color: #2d3f55;
            font-weight: 600;
        }
        .content-area h4 {
            font-size: 1.15rem;
            margin: 1.2rem 0 0.3rem 0;
            color: #3f556e;
            font-weight: 600;
        }
        .content-area p {
            margin-bottom: 1.2rem;
            color: #2d3748;
        }
        .content-area ul,
        .content-area ol {
            margin: 0.8rem 0 1.4rem 2rem;
        }
        .content-area li {
            margin-bottom: 0.4rem;
        }
        .content-area .highlight-box {
            background: #e9e1d4;
            border-left: 6px solid #b8860b;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .content-area .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 1.5rem 0;
        }
        .content-area .stat-card {
            background: #ffffff;
            border-radius: 12px;
            padding: 18px 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #b8860b;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #4a5568;
        }
        .content-area .featured-img {
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            margin: 2rem 0;
        }
        .content-area .interview-block {
            background: #f0f4fa;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 2rem 0;
            border: 1px solid #d4e0ec;
        }
        .content-area .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: #2d3f55;
            border-left: 4px solid #b8860b;
            padding-left: 20px;
            margin: 0.8rem 0;
        }
        .btn {
            display: inline-block;
            background: #b8860b;
            color: #fff;
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 600;
            transition: background 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background: #9a6f09;
            color: #fff;
            text-decoration: none;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 20px;
            padding: 24px 22px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
            border: 1px solid #e8edf2;
            height: fit-content;
            position: sticky;
            top: 110px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            color: #0e1a2b;
            margin-bottom: 1rem;
            border-bottom: 2px solid #e2d5c0;
            padding-bottom: 6px;
        }
        .sidebar ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar li {
            margin-bottom: 10px;
        }
        .sidebar li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #2d3748;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.15s;
        }
        .sidebar li a:hover {
            background: #f0f4fa;
            text-decoration: none;
            color: #b8860b;
        }
        .sidebar li a i {
            width: 20px;
            color: #b8860b;
        }
        .interaction-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #dce3ec;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 1.5rem 0;
        }
        @media (max-width: 640px) {
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        .card-module {
            background: #f9fbfd;
            border-radius: 16px;
            padding: 22px 24px;
            border: 1px solid #e2e8f0;
        }
        .card-module h4 {
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: #0e1a2b;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            font-weight: 600;
            font-size: 0.95rem;
            display: block;
            margin-bottom: 4px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            background: #fff;
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #b8860b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.15s;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .site-footer {
            background: #0e1a2b;
            color: #cbd5e0;
            padding: 40px 0 20px 0;
            margin-top: 3rem;
            border-top: 4px solid #b8860b;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .footer-inner h4 {
            color: #f0e6d3;
            font-size: 1.1rem;
            margin-bottom: 12px;
            border-bottom: 1px solid #2a3f5a;
            padding-bottom: 8px;
        }
        .footer-inner a {
            color: #b8860b;
        }
        .footer-inner a:hover {
            color: #ffdf8c;
        }
        .friend-link {
            display: block;
            padding: 6px 0;
        }
        .friend-link a {
            display: inline-block;
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid #2a3f5a;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9aa8;
        }
        .copyright strong {
            color: #e2d5c0;
        }
        @media (max-width: 480px) {
            .content-area h1 {
                font-size: 1.9rem;
                padding-left: 14px;
            }
            .content-area h2 {
                font-size: 1.5rem;
            }
            .content-area h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar {
                position: static;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #b8860b;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: background 0.2s, transform 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .back-to-top:hover {
            background: #9a6f09;
            transform: translateY(-4px);
        }
        @media (max-width: 600px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }
