* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #0047ab;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #e63946;
            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, #0a1f3e 0%, #1b3a5c 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #f9d423, #ff4e50);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: none;
            transition: transform 0.3s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.03);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: #aac4e0;
            background: none;
            color: #aac4e0;
            font-weight: 400;
            letter-spacing: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f9d423;
            color: #f9d423;
        }
        nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0e8f0;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: 0.25s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(249, 212, 35, 0.15);
            color: #f9d423;
            text-decoration: none;
        }
        nav a.active {
            background: #f9d423;
            color: #0a1f3e;
        }
        .breadcrumb {
            background: #eef2f7;
            padding: 12px 0;
            border-bottom: 1px solid #dce3ec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.85rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 12px;
            color: #7a8aa0;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c3e6b;
        }
        .breadcrumb .current {
            color: #6b7a93;
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #0f2b4b, #1e4b6e);
            color: #fff;
            padding: 48px 0 40px;
            margin-bottom: 32px;
            border-radius: 0 0 40px 40px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 span {
            background: linear-gradient(90deg, #f9d423, #f7971e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            opacity: 0.9;
            margin-bottom: 20px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 36px;
            font-size: 0.95rem;
            color: #b8d0e5;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #f9d423;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding-bottom: 48px;
        }
        .main-col {
            min-width: 0;
        }
        .side-col {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        section {
            background: #fff;
            border-radius: 20px;
            padding: 28px 32px;
            margin-bottom: 28px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: box-shadow 0.25s;
        }
        section:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0a1f3e;
            margin-bottom: 18px;
            border-left: 5px solid #f9d423;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #1b3a5c;
            margin: 24px 0 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2c4a6e;
            margin: 18px 0 8px;
        }
        p {
            margin-bottom: 16px;
        }
        .highlight {
            background: #fef9e7;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 6px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: #f0f5fe;
            border-radius: 14px;
            padding: 18px 12px;
            text-align: center;
            border: 1px solid #dce6f2;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0047ab;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #4a5f7a;
        }
        .tip-box {
            background: #e6f3e6;
            border-left: 5px solid #2a9d2a;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 18px 0;
        }
        .tip-box i {
            color: #2a9d2a;
            margin-right: 8px;
        }
        .interview-box {
            background: #f5edf9;
            border-radius: 16px;
            padding: 20px 24px;
            border: 1px solid #e2d4ec;
            margin: 20px 0;
        }
        .interview-box .quote {
            font-style: italic;
            font-size: 1.05rem;
            color: #2d1b3a;
        }
        .interview-box .byline {
            margin-top: 10px;
            font-weight: 600;
            color: #6b3f8a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th {
            background: #0a1f3e;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 11px 16px;
            border-bottom: 1px solid #e2e9f0;
        }
        tr:nth-child(even) td {
            background: #f8faff;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            color: #1b3a5c;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #dce3ec;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: 0.2s;
            background: #fafcff;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #0047ab;
            outline: none;
            box-shadow: 0 0 0 4px rgba(0, 71, 171, 0.1);
        }
        .btn {
            display: inline-block;
            padding: 12px 32px;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
            background: #0047ab;
            color: #fff;
        }
        .btn:hover {
            background: #002f73;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 71, 171, 0.3);
        }
        .btn-secondary {
            background: #f9d423;
            color: #0a1f3e;
        }
        .btn-secondary:hover {
            background: #e6c01a;
            box-shadow: 0 8px 20px rgba(249, 212, 35, 0.4);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f9d423;
        }
        .comment-item {
            padding: 16px 0;
            border-bottom: 1px solid #e8edf4;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: 700;
            color: #0a1f3e;
        }
        .comment-date {
            font-size: 0.8rem;
            color: #7a8aa0;
            margin-left: 12px;
        }
        .comment-text {
            margin-top: 4px;
        }
        .side-card {
            background: #fff;
            border-radius: 20px;
            padding: 22px 24px;
            margin-bottom: 24px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .side-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            border-bottom: 2px solid #f0f3f8;
            padding-bottom: 10px;
        }
        .side-card ul {
            list-style: none;
            padding: 0;
        }
        .side-card li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .side-card li:last-child {
            border-bottom: none;
        }
        .side-card li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card li a i {
            color: #f9d423;
            width: 20px;
        }
        friend-link {
            display: block;
            background: #f0f5fe;
            border-radius: 16px;
            padding: 20px 24px;
            margin-top: 32px;
            border: 1px solid #dce6f2;
        }
        friend-link h3 {
            margin-top: 0;
            font-size: 1.2rem;
            color: #0a1f3e;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            padding: 0;
        }
        friend-link li a {
            font-weight: 500;
            color: #0047ab;
        }
        friend-link li a:hover {
            color: #e63946;
        }
        footer {
            background: #0a1f3e;
            color: #c8d6e8;
            padding: 32px 0 24px;
            margin-top: 20px;
            border-radius: 24px 24px 0 0;
        }
        footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 24px;
        }
        footer a {
            color: #aac4e0;
        }
        footer a:hover {
            color: #f9d423;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1f3d5a;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #7a9aba;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .side-col {
                position: static;
            }
            .hero h1 {
                font-size: 2rem;
            }
            section {
                padding: 20px 18px;
            }
        }
        @media (max-width: 700px) {
            .nav-toggle {
                display: inline-block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 12px 16px;
                border-radius: 10px;
                text-align: center;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 440px) {
            .container {
                padding: 0 12px;
            }
            section {
                padding: 16px 14px;
            }
            .hero {
                padding: 28px 0 24px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .num {
                font-size: 1.4rem;
            }
        }
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #eef2f7;
        }
        ::-webkit-scrollbar-thumb {
            background: #a0b8d0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #7a9aba;
        }
        .fade-in {
            animation: fadeUp 0.6s ease forwards;
        }
        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(20px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
