* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f8f6f2;
            color: #1e1e1e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #922b21;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .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: #f1c40f;
            letter-spacing: -0.5px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #e67e22;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: #f39c12;
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #ecf0f1;
            font-size: 0.9rem;
            display: block;
        }
        nav.main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        nav.main-nav a {
            color: #ecf0f1;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.2s, color 0.2s;
        }
        nav.main-nav a:hover {
            background: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
            text-decoration: none;
        }
        nav.main-nav a.active {
            background: #f1c40f;
            color: #1a1a2e;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(241, 196, 15, 0.15);
        }
        .breadcrumb {
            background: #fff;
            padding: 12px 0;
            border-bottom: 1px solid #e0dcd5;
            font-size: 0.85rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #c0392b;
        }
        .breadcrumb a:hover {
            color: #922b21;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #bdc3c7;
        }
        main {
            padding: 40px 0 60px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #1a1a2e;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #e67e22;
            margin-right: 10px;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #2c3e50;
            margin-top: 48px;
            margin-bottom: 18px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f1c40f;
            display: inline-block;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #34495e;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #2c3e50;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        p {
            margin-bottom: 18px;
            color: #2d2d2d;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #555;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef9e7, #fdebd0);
            border-left: 5px solid #f1c40f;
            padding: 24px 28px;
            border-radius: 12px;
            margin: 28px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .highlight-box strong {
            color: #c0392b;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin: 32px 0;
        }
        .stat-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 20px;
            text-align: center;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #f0ebe4;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        }
        .stat-card i {
            font-size: 2.4rem;
            color: #f1c40f;
            margin-bottom: 12px;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #1a1a2e;
            display: block;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: #7f8c8d;
        }
        .tip-list {
            list-style: none;
            padding: 0;
        }
        .tip-list li {
            padding: 12px 18px 12px 44px;
            background: #fff;
            margin-bottom: 10px;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            position: relative;
            font-size: 1rem;
        }
        .tip-list li i {
            position: absolute;
            left: 16px;
            top: 14px;
            color: #f1c40f;
            font-size: 1.2rem;
        }
        .interview-block {
            background: #fff;
            border-radius: 16px;
            padding: 28px 30px;
            margin: 28px 0;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0ebe4;
        }
        .interview-block .interview-q {
            font-weight: 700;
            color: #1a1a2e;
            margin-top: 16px;
        }
        .interview-block .interview-a {
            padding-left: 20px;
            border-left: 3px solid #f1c40f;
            margin-bottom: 16px;
            color: #444;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            padding: 20px 24px;
            margin-bottom: 14px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            border: 1px solid #f0ebe4;
            transition: box-shadow 0.2s;
        }
        .faq-item:hover {
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .faq-item h4 {
            margin-top: 0;
            color: #c0392b;
            font-size: 1.1rem;
        }
        .faq-item p {
            margin-bottom: 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 28px 0;
        }
        .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0ebe4;
            transition: transform 0.2s;
        }
        .feature-card:hover {
            transform: translateY(-3px);
        }
        .feature-card i {
            font-size: 2rem;
            color: #e67e22;
            margin-bottom: 12px;
        }
        .feature-card h4 {
            margin-top: 0;
            font-size: 1.15rem;
        }
        .img-wrapper {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            background: #ecf0f1;
            position: relative;
        }
        .img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }
        .img-caption {
            padding: 12px 20px;
            background: #fff;
            font-size: 0.9rem;
            color: #7f8c8d;
            border-top: 1px solid #f0ebe4;
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
        }
        @media (max-width:768px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .interact-card {
            background: #fff;
            border-radius: 16px;
            padding: 28px 26px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0ebe4;
        }
        .interact-card h3 {
            margin-top: 0;
            font-size: 1.3rem;
            color: #1a1a2e;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0dcd5;
            border-radius: 10px;
            font-size: 1rem;
            margin-bottom: 14px;
            transition: border-color 0.2s;
            font-family: inherit;
            background: #fafafa;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #f1c40f;
            outline: none;
            background: #fff;
        }
        .interact-card textarea {
            min-height: 100px;
            resize: vertical;
        }
        .interact-card .btn {
            background: #c0392b;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .interact-card .btn:hover {
            background: #922b21;
            transform: scale(1.02);
        }
        .interact-card .btn i {
            font-size: 1rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            margin-bottom: 14px;
            font-size: 1.6rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #ddd;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f1c40f;
        }
        footer {
            background: #1a1a2e;
            color: #bdc3c7;
            padding: 40px 0 30px;
            font-size: 0.95rem;
        }
        footer a {
            color: #f1c40f;
        }
        footer a:hover {
            color: #f39c12;
            text-decoration: underline;
        }
        .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: #f1c40f;
            margin-top: 0;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .footer-inner p {
            color: #bdc3c7;
            font-size: 0.95rem;
        }
        .friend-link {
            display: block;
            padding: 6px 0;
            color: #ecf0f1;
            font-size: 0.95rem;
        }
        .friend-link:hover {
            color: #f1c40f;
        }
        .copyright {
            border-top: 1px solid #2c3e50;
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #7f8c8d;
        }
        .copyright a {
            color: #f1c40f;
        }
        @media (max-width:900px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                flex-direction: row;
            }
            .hamburger {
                display: block;
            }
            nav.main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 12px;
            }
            nav.main-nav.show {
                display: flex;
            }
            nav.main-nav a {
                padding: 10px 16px;
                border-radius: 10px;
                background: rgba(255, 255, 255, 0.05);
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
            .lead {
                font-size: 1.05rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:480px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .interact-card {
                padding: 18px 16px;
            }
            .highlight-box {
                padding: 16px 18px;
            }
            .interview-block {
                padding: 18px 16px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .mt-1 {
            margin-top: 12px;
        }
        .mt-2 {
            margin-top: 24px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .mb-2 {
            margin-bottom: 24px;
        }
        .text-center {
            text-align: center;
        }
        .text-muted {
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        .badge {
            display: inline-block;
            background: #f1c40f;
            color: #1a1a2e;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }