*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: #0f172a;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #2563eb20;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2e, #1a2d44);
            color: #fff;
            padding: 0.6rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #facc15;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo a {
            color: #facc15;
            text-decoration: none;
        }
        .my-logo a:hover {
            color: #fde047;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 1.8rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .main-nav {
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e2e8f0;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: #ffffff20;
            color: #facc15;
            text-decoration: none;
        }
        .main-nav a.active {
            background: #facc1520;
            color: #facc15;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.5rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #ffffff15;
        }
        .nav-check {
            display: none;
        }
        .breadcrumb {
            background: #eef2f6;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.4rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: #2563eb;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 500;
        }
        .hero-section {
            margin: 2rem 0 1.5rem;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
            position: relative;
            background: #0b1a2e;
        }
        .hero-section img {
            width: 100%;
            min-height: 300px;
            object-fit: cover;
            opacity: 0.85;
            transition: transform 0.4s ease;
        }
        .hero-section:hover img {
            transform: scale(1.01);
        }
        .hero-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 2rem 2rem 1.8rem;
            background: linear-gradient(transparent, #0b1a2ee0);
            color: #fff;
        }
        .hero-overlay h1 {
            color: #fff;
            margin: 0;
            font-size: 2.2rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }
        .hero-overlay p {
            margin: 0.3rem 0 0;
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 700px;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #64748b;
            margin: 0.8rem 0 1.8rem;
            padding: 0.5rem 1rem;
            background: #f1f5f9;
            border-radius: 30px;
            width: fit-content;
        }
        .last-updated i {
            color: #2563eb;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
        }
        @media(min-width:992px) {
            .content-grid {
                grid-template-columns: 1fr 280px;
            }
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 1.6rem 1.4rem;
            height: fit-content;
            position: sticky;
            top: 90px;
            border: 1px solid #e2e8f0;
        }
        .sidebar h3 {
            font-size: 1.1rem;
            margin-top: 0;
            border-bottom: 2px solid #2563eb30;
            padding-bottom: 0.5rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0.8rem 0 0;
        }
        .sidebar li {
            padding: 0.3rem 0;
        }
        .sidebar li a {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .sidebar li a i {
            width: 1.2rem;
            color: #2563eb;
        }
        .highlight-box {
            background: #ffffff;
            border-left: 5px solid #2563eb;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
        }
        .highlight-box.info {
            border-left-color: #facc15;
            background: #fffbeb;
        }
        .highlight-box.tip {
            border-left-color: #10b981;
            background: #ecfdf5;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-card {
            background: #fff;
            padding: 1.2rem 0.8rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #2563eb;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #475569;
            font-weight: 500;
            margin-top: 0.2rem;
        }
        .interview-block {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eef2f6;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #1e293b;
            border-left: 4px solid #2563eb;
            padding-left: 1.2rem;
            margin: 0.8rem 0;
        }
        .interview-block .source {
            font-weight: 600;
            color: #0f172a;
        }
        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            padding: 0.8rem 0;
            margin: 1rem 0;
        }
        .link-group a {
            background: #eef2f6;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #1e293b;
            border: 1px solid #dce3ec;
            transition: background 0.2s, color 0.2s, border-color 0.2s;
            white-space: nowrap;
        }
        .link-group a:hover {
            background: #2563eb;
            color: #fff;
            border-color: #2563eb;
            text-decoration: none;
        }
        .interactive-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2rem 1.8rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
        }
        .interactive-section h2 {
            margin-top: 0;
            border-bottom: none;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1px solid #d1d9e6;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fafcff;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #2563eb;
            box-shadow: 0 0 0 3px #2563eb20;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #1e40af;
            transform: scale(1.02);
        }
        .btn-secondary {
            background: #e2e8f0;
            color: #1e293b;
        }
        .btn-secondary:hover {
            background: #cbd5e1;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            color: #d1d9e6;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #facc15;
        }
        .star-rating i {
            transition: color 0.15s, transform 0.15s;
        }
        .star-rating i:hover {
            transform: scale(1.15);
        }
        .site-footer {
            background: #0b1a2e;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 4px solid #facc1540;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.8rem;
        }
        @media(min-width:700px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-inner h4 {
            color: #facc15;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #94a3b8;
        }
        .footer-inner a:hover {
            color: #facc15;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.3rem;
            color: #94a3b8;
        }
        friend-link a:hover {
            color: #facc15;
        }
        .copyright {
            text-align: center;
            padding-top: 1.8rem;
            margin-top: 1.8rem;
            border-top: 1px solid #1e3a5f;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright a {
            color: #94a3b8;
        }
        @media(max-width:768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-overlay h1 {
                font-size: 1.5rem;
            }
            .hero-overlay {
                padding: 1.2rem 1rem;
            }
            .hero-overlay p {
                font-size: 0.9rem;
            }
            .site-header .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0b1a2e;
                padding: 0.8rem 0 1.2rem;
                border-radius: 0 0 16px 16px;
                gap: 0.1rem;
            }
            .main-nav a {
                padding: 0.6rem 1.2rem;
                border-radius: 0;
                border-bottom: 1px solid #1e3a5f20;
            }
            .nav-check:checked~.main-nav {
                display: flex;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar {
                position: static;
                margin-top: 1rem;
            }
            .interactive-section {
                padding: 1.2rem;
            }
            .link-group {
                gap: 0.4rem 0.6rem;
            }
            .link-group a {
                font-size: 0.75rem;
                padding: 0.2rem 0.7rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
        }
        @media(max-width:480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.3rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-card .number {
                font-size: 1.5rem;
            }
            .hero-section img {
                min-height: 200px;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .text-sm {
            font-size: 0.85rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        :target {
            scroll-margin-top: 80px;
        }
        .emoji {
            font-size: 1.2em;
            line-height: 1;
        }