* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --accent: #e8b830;
            --accent-dark: #c99a1e;
            --bg: #f7f4ef;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #555;
            --border: #ddd;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        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;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
            background: rgba(255, 255, 255, 0.08);
            padding: 4px 16px;
            border-radius: 30px;
            transition: background 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.18);
            text-decoration: none;
            color: var(--accent);
        }
        .my-logo small {
            font-size: 0.5rem;
            display: block;
            color: #ccc;
            letter-spacing: 1px;
            font-weight: 400;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-size: 1.5rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            gap: 8px 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .main-nav a {
            color: #eee;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .main-nav a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
            text-decoration: none;
        }
        .main-nav .active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #aaa;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #0d2137 100%);
            color: #fff;
            padding: 60px 0 50px;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 720px;
            margin: 0 auto 24px;
            opacity: 0.9;
        }
        .hero .meta {
            font-size: 0.95rem;
            color: #bbb;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .hero .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        .update-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 4px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding-bottom: 60px;
        }
        .main-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
        }
        .main-content h2 {
            font-size: 1.9rem;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        .main-content h2:first-child {
            margin-top: 0;
        }
        .main-content h3 {
            font-size: 1.45rem;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .main-content h4 {
            font-size: 1.15rem;
            color: #2a4a6a;
            margin: 24px 0 8px;
            font-weight: 600;
        }
        .main-content p {
            margin-bottom: 18px;
            font-size: 1.05rem;
        }
        .main-content ul,
        .main-content ol {
            margin: 0 0 20px 24px;
        }
        .main-content li {
            margin-bottom: 8px;
            font-size: 1.02rem;
        }
        .main-content .highlight {
            background: #fef7e0;
            padding: 2px 10px;
            border-radius: 4px;
            font-weight: 600;
        }
        .main-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            margin: 24px 0;
            background: #faf8f4;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: #333;
        }
        .main-content .feature-img {
            margin: 28px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .main-content .feature-img figcaption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 8px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 28px 0;
        }
        .stat-card {
            background: var(--bg);
            padding: 20px 16px;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border);
            transition: transform 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .interview-box {
            background: #f0f6ff;
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 28px 0;
            border-left: 4px solid var(--primary-light);
        }
        .interview-box .speaker {
            font-weight: 700;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            gap: 10px;
            margin: 20px 0 28px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .feedback-card {
            background: var(--bg);
            padding: 24px 22px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
        }
        .feedback-card h4 {
            margin-top: 0;
            margin-bottom: 14px;
            color: var(--primary);
        }
        .feedback-card textarea,
        .feedback-card input[type="number"],
        .feedback-card select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            outline: none;
            transition: 0.2s;
            background: #fff;
        }
        .feedback-card textarea:focus,
        .feedback-card input:focus,
        .feedback-card select:focus {
            border-color: var(--primary-light);
        }
        .feedback-card textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-card .btn {
            padding: 10px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 10px;
            display: inline-block;
        }
        .feedback-card .btn:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            margin: 8px 0;
        }
        .star-rating .star {
            transition: 0.2s;
        }
        .star-rating .star.active,
        .star-rating .star:hover {
            color: var(--accent);
        }
        friend-link {
            display: block;
            padding: 28px 0 16px;
            border-top: 2px solid var(--border);
            margin-top: 20px;
        }
        friend-link h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }
        friend-link a {
            font-weight: 500;
        }
        .site-footer {
            background: var(--primary);
            color: #ccc;
            padding: 32px 0 24px;
            margin-top: auto;
            text-align: center;
        }
        .site-footer .copy {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .site-footer a {
            color: var(--accent);
        }
        .site-footer a:hover {
            color: #fff;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding-top: 12px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-content {
                padding: 24px 16px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 36px 0 30px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .num {
                font-size: 1.5rem;
            }
            .search-form input {
                min-width: 120px;
            }
        }