* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.8;
            color: #1a1a2e;
            background: #f8f9fc;
            padding: 0 20px;
        }
        .wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            padding: 0 30px 30px;
            border-radius: 0 0 24px 24px;
        }
        header {
            padding: 20px 0 10px;
            border-bottom: 2px solid #eef2f7;
            position: relative;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0a2351, #1d4ed8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #1d4ed8;
            font-size: 2rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #0a2351;
            background: none;
            border: none;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef2f7;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            transition: all 0.3s ease;
        }
        .main-nav a {
            text-decoration: none;
            color: #1a1a2e;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            border-bottom-color: #1d4ed8;
            color: #1d4ed8;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 12px 0 6px;
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .breadcrumb a {
            color: #1d4ed8;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aa8b8;
        }
        .search-section {
            margin: 24px 0 16px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            border-radius: 50px;
            overflow: hidden;
            border: 1px solid #dce3ed;
            background: #fff;
            transition: box-shadow 0.3s;
        }
        .search-form:focus-within {
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
            border-color: #1d4ed8;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            font-size: 1rem;
            outline: none;
            background: transparent;
        }
        .search-form button {
            padding: 14px 28px;
            background: #0a2351;
            color: #fff;
            border: none;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: #1d4ed8;
        }
        main {
            padding: 10px 0 40px;
        }
        h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            margin: 24px 0 12px;
            color: #0a2351;
            font-weight: 900;
            letter-spacing: -0.5px;
        }
        h1 i {
            color: #1d4ed8;
            margin-right: 12px;
        }
        h2 {
            font-size: 1.9rem;
            margin: 48px 0 16px;
            color: #0a2351;
            font-weight: 800;
            border-left: 5px solid #1d4ed8;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.4rem;
            margin: 32px 0 12px;
            color: #162a4a;
            font-weight: 700;
        }
        h4 {
            font-size: 1.15rem;
            margin: 24px 0 10px;
            color: #1e3a6b;
            font-weight: 600;
        }
        p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2d3748;
        }
        .content-img {
            margin: 30px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #eef2f7;
            text-align: center;
        }
        .content-img img {
            width: 100%;
            height: auto;
            display: block;
            max-width: 100%;
        }
        .content-img figcaption {
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #5a6a7a;
            font-style: italic;
            background: #f8f9fc;
        }
        .highlight-box {
            background: #f0f4ff;
            border-left: 4px solid #1d4ed8;
            padding: 20px 28px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box i {
            color: #1d4ed8;
            margin-right: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f8f9fc;
            padding: 20px 16px;
            border-radius: 14px;
            text-align: center;
            border: 1px solid #eef2f7;
        }
        .stat-card i {
            font-size: 2rem;
            color: #1d4ed8;
            margin-bottom: 8px;
        }
        .stat-card .num {
            font-size: 1.8rem;
            font-weight: 900;
            color: #0a2351;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #5a6a7a;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 24px 0;
        }
        @media (max-width: 700px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }
        .feedback-forms {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin: 40px 0;
            padding: 30px;
            background: #f8f9fc;
            border-radius: 20px;
            border: 1px solid #eef2f7;
        }
        @media (max-width: 700px) {
            .feedback-forms {
                grid-template-columns: 1fr;
            }
        }
        .feedback-forms form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feedback-forms form label {
            font-weight: 700;
            font-size: 0.95rem;
            color: #0a2351;
        }
        .feedback-forms form input,
        .feedback-forms form textarea,
        .feedback-forms form select {
            padding: 12px 16px;
            border: 1px solid #dce3ed;
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.3s;
        }
        .feedback-forms form input:focus,
        .feedback-forms form textarea:focus,
        .feedback-forms form select:focus {
            border-color: #1d4ed8;
            outline: none;
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
        }
        .feedback-forms form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-forms form button {
            padding: 14px 28px;
            background: #0a2351;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .feedback-forms form button:hover {
            background: #1d4ed8;
        }
        .star-rating {
            display: flex;
            gap: 6px;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #dce3ed;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5b342;
        }
        footer {
            border-top: 2px solid #eef2f7;
            padding: 30px 0 20px;
            margin-top: 40px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        friend-link {
            display: block;
            font-style: normal;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin-top: 8px;
        }
        friend-link ul li a {
            color: #1d4ed8;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
        }
        friend-link ul li a:hover {
            text-decoration: underline;
        }
        .copyright {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid #eef2f7;
            font-size: 0.9rem;
            color: #5a6a7a;
            text-align: center;
        }
        .copyright strong {
            color: #0a2351;
        }
        @media (max-width: 768px) {
            .wrapper {
                padding: 0 14px 20px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .header-top {
                flex-wrap: nowrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 16px 0 8px;
                gap: 6px;
                border-top: 1px solid #eef2f7;
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 8px;
                border-bottom: none;
                border-radius: 8px;
            }
            .main-nav a:hover {
                background: #f0f4ff;
            }
            .feedback-forms {
                padding: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .wrapper {
                padding: 0 10px 16px;
            }
            h1 {
                font-size: 1.6rem;
            }
            .search-form input {
                padding: 12px 14px;
                font-size: 0.9rem;
            }
            .search-form button {
                padding: 12px 16px;
                font-size: 0.85rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .num {
                font-size: 1.4rem;
            }
        }
        .anchor-offset {
            scroll-margin-top: 20px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.98rem;
        }
        .data-table th {
            background: #0a2351;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 700;
        }
        .data-table td {
            padding: 10px 16px;
            border-bottom: 1px solid #eef2f7;
        }
        .data-table tr:nth-child(even) td {
            background: #f8f9fc;
        }
        .data-table tr:hover td {
            background: #f0f4ff;
        }
        .faq-item {
            margin: 16px 0;
            padding: 16px 20px;
            background: #f8f9fc;
            border-radius: 12px;
            border-left: 3px solid #1d4ed8;
        }
        .faq-item strong {
            color: #0a2351;
            display: block;
            margin-bottom: 6px;
            font-size: 1.05rem;
        }
        .tip-badge {
            display: inline-block;
            background: #dbeafe;
            color: #1d4ed8;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }