*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a3a;
            --primary-light: #2c4a6a;
            --accent: #f0c040;
            --accent-hover: #f5d060;
            --bg: #0f1a24;
            --bg-card: #162a38;
            --text: #e8e0d0;
            --text-muted: #a09880;
            --border: #2a4050;
            --gold: #d4a030;
            --gold-light: #f0d080;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 70px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s;
        }
        a:hover,
        a:focus {
            color: var(--gold-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #0a1a2a 100%);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--gold);
            text-shadow: 0 0 12px rgba(240, 192, 64, 0.3);
            transition: transform 0.3s;
            white-space: nowrap;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: var(--gold-light);
            text-decoration: none;
        }
        .my-logo i {
            margin-right: 8px;
            color: var(--gold-light);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .nav-toggle:hover {
            background: rgba(240, 192, 64, 0.15);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: var(--text);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.3s, color 0.3s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(240, 192, 64, 0.15);
            color: var(--gold);
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 6px;
        }
        .breadcrumb {
            background: rgba(0, 0, 0, 0.3);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-list li+li::before {
            content: "›";
            margin-right: 12px;
            color: var(--gold);
        }
        .breadcrumb-list a {
            color: var(--text-muted);
        }
        .breadcrumb-list a:hover {
            color: var(--gold);
        }
        .breadcrumb-list .active {
            color: var(--gold);
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 48px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold-light);
            margin: 2.4rem 0 1rem;
            border-left: 5px solid var(--gold);
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text);
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--gold-light);
            margin: 1.6rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            color: var(--text);
        }
        .lead {
            font-size: 1.2rem;
            color: var(--gold-light);
            font-weight: 400;
            border-left: 3px solid var(--gold);
            padding-left: 20px;
            margin-bottom: 2rem;
        }
        .highlight {
            color: var(--gold);
            font-weight: 600;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .update-time {
            display: inline-block;
            background: rgba(240, 192, 64, 0.12);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--gold);
            margin-bottom: 1.5rem;
        }
        .update-time i {
            margin-right: 6px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            box-shadow: var(--shadow);
            transition: transform 0.25s, box-shadow 0.25s;
        }
        .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
        }
        .feature-img {
            margin: 1.8rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .feature-img figcaption {
            font-size: 0.85rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 8px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }
        .stat-item {
            background: rgba(240, 192, 64, 0.08);
            border: 1px solid rgba(240, 192, 64, 0.2);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
        }
        .stat-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold);
            display: block;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .interview-block {
            background: rgba(212, 160, 48, 0.06);
            border-left: 4px solid var(--gold);
            padding: 24px 28px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 2rem 0;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.1rem;
            color: var(--gold-light);
        }
        .interview-block .attribution {
            margin-top: 12px;
            font-weight: 600;
            color: var(--text-muted);
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin: 1.2rem 0;
        }
        .link-list a {
            background: rgba(240, 192, 64, 0.08);
            padding: 6px 18px;
            border-radius: 20px;
            border: 1px solid rgba(240, 192, 64, 0.15);
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: rgba(240, 192, 64, 0.18);
            border-color: var(--gold);
            text-decoration: none;
        }
        .interactive-module {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin: 2rem 0;
        }
        .interactive-module h3 {
            margin-top: 0;
            border-bottom: 1px solid var(--border);
            padding-bottom: 12px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--gold-light);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: rgba(0, 0, 0, 0.3);
            color: var(--text);
            font-size: 1rem;
            font-family: var(--font);
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.15);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background: var(--gold);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 32px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-family: var(--font);
        }
        .btn:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }
        .btn i {
            margin-right: 8px;
        }
        .star-rating {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: var(--border);
            cursor: pointer;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: var(--gold);
            transform: scale(1.1);
        }
        .site-footer {
            background: linear-gradient(135deg, var(--primary) 0%, #050e16 100%);
            border-top: 2px solid var(--border);
            padding: 48px 0 32px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: var(--gold);
            margin-bottom: 16px;
            border-left: 3px solid var(--gold);
            padding-left: 12px;
        }
        .footer-inner p,
        .footer-inner a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-inner a:hover {
            color: var(--gold);
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
        }
        friend-link a {
            color: var(--text-muted);
        }
        friend-link a:hover {
            color: var(--gold);
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            margin-top: 32px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .copyright strong {
            color: var(--gold);
        }
        @media (max-width: 992px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--primary);
                border-bottom: 2px solid var(--border);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: 8px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .my-logo span {
                display: none;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .card {
                padding: 20px 18px;
            }
            .interactive-module {
                padding: 20px 18px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .breadcrumb-list {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.5rem;
            }
            .lead {
                font-size: 1rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .gap-1 {
            gap: 1rem;
        }
        .text-center {
            text-align: center;
        }