*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background: #f8fafc;
            padding: 0 16px;
            max-width: 1280px;
            margin: 0 auto;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #1d4ed8;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0f172a;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #dbeafe;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
            color: #1e3a5f;
        }
        h4 {
            font-size: 1.1rem;
            color: #334155;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 4px;
        }
        header {
            padding: 16px 0 8px 0;
            border-bottom: 2px solid #e2e8f0;
            background: #ffffff;
            border-radius: 0 0 16px 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            position: relative;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1e3a5f, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #2563eb;
            font-size: 1.5rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 4px 16px;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 10px;
            border-radius: 8px;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: #eff6ff;
            color: #2563eb;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.6rem;
            background: none;
            border: none;
            color: #1e293b;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #f1f5f9;
        }
        .breadcrumb {
            padding: 12px 0 4px 0;
            font-size: 0.88rem;
            color: #64748b;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: #64748b;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #2563eb;
        }
        .breadcrumb span {
            color: #94a3b8;
        }
        .hero {
            background: linear-gradient(145deg, #f0f7ff, #ffffff);
            padding: 32px 24px;
            border-radius: 20px;
            margin: 20px 0 28px 0;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
            border: 1px solid #eef2f6;
        }
        .hero h1 {
            font-size: 2.6rem;
            margin-bottom: 0.3rem;
            background: linear-gradient(135deg, #0f172a, #2563eb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: #334155;
            max-width: 720px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 40px;
            margin-top: 16px;
            font-size: 0.95rem;
            color: #475569;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #2563eb;
        }
        .last-updated {
            font-weight: 600;
            background: #dbeafe;
            padding: 4px 14px;
            border-radius: 40px;
            display: inline-block;
            font-size: 0.85rem;
        }
        main {
            flex: 1;
            padding-bottom: 40px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 24px 20px 28px 20px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #f1f5f9;
            transition: box-shadow 0.25s ease;
        }
        .card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        .card h2 {
            margin-top: 0;
        }
        .card h3 {
            margin-top: 1.4rem;
        }
        .card h4 {
            margin-top: 1rem;
        }
        .tips-list {
            list-style: none;
            padding: 0;
            margin: 12px 0 16px 0;
        }
        .tips-list li {
            padding: 10px 14px 10px 20px;
            margin-bottom: 8px;
            background: #f8fafc;
            border-left: 4px solid #2563eb;
            border-radius: 0 8px 8px 0;
            font-weight: 500;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 16px 0 20px 0;
        }
        .stat-item {
            background: #f1f5f9;
            border-radius: 12px;
            padding: 16px 12px;
            text-align: center;
            transition: transform 0.2s, background 0.2s;
        }
        .stat-item:hover {
            transform: translateY(-3px);
            background: #e8f0fe;
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #2563eb;
            display: block;
        }
        .stat-item .label {
            font-size: 0.9rem;
            color: #475569;
            font-weight: 500;
        }
        .interview-block {
            background: #f1f5f9;
            border-radius: 16px;
            padding: 20px 20px 24px 20px;
            margin: 18px 0;
            border-left: 6px solid #2563eb;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #1e293b;
            padding: 8px 0 4px 0;
        }
        .interview-block .attribution {
            font-weight: 700;
            color: #0f172a;
            margin-top: 6px;
        }
        .content-img {
            margin: 24px 0;
            border-radius: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
        }
        .content-img figcaption {
            font-size: 0.85rem;
            color: #64748b;
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .form-section {
            margin: 28px 0 12px 0;
        }
        .form-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.2s;
            background: #fff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border: none;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .btn-primary {
            background: #2563eb;
            color: #fff;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            transform: scale(1.02);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: #2563eb;
            border: 2px solid #2563eb;
        }
        .btn-outline:hover {
            background: #eff6ff;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f59e0b;
        }
        .rating-stars i {
            transition: color 0.15s, transform 0.1s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        friend-link {
            display: block;
            padding: 18px 20px;
            background: #f1f5f9;
            border-radius: 16px;
            margin: 20px 0 10px 0;
            border: 1px solid #e2e8f0;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: #0f172a;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }
        friend-link .fl-list a {
            font-size: 0.92rem;
            font-weight: 500;
            padding: 4px 0;
        }
        footer {
            border-top: 2px solid #e2e8f0;
            padding: 24px 0 28px 0;
            margin-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #475569;
            background: #ffffff;
            border-radius: 16px 16px 0 0;
        }
        footer .copyright {
            margin-top: 10px;
            font-size: 0.85rem;
            color: #64748b;
        }
        footer .copyright i {
            color: #ef4444;
        }
        @media (max-width: 820px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: inline-block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 8px 0;
                gap: 2px;
                border-top: 1px solid #e2e8f0;
                margin-top: 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 10px 12px;
                width: 100%;
                border-radius: 6px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .stat-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }
            .hero-meta {
                flex-direction: column;
                gap: 6px;
            }
            .card {
                padding: 16px 14px 20px 14px;
            }
            .content-grid {
                gap: 20px;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .hero {
                padding: 20px 14px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .gap-8 {
            gap: 8px;
        }
        .text-center {
            text-align: center;
        }
        .fw-700 {
            font-weight: 700;
        }
        .color-muted {
            color: #64748b;
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .faq-item {
            padding: 14px 0;
            border-bottom: 1px solid #eef2f6;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0f172a;
        }
        .faq-answer {
            padding: 6px 0 4px 28px;
            color: #334155;
        }