* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 0 0 24px 24px;
            overflow: hidden;
        }
        header {
            background: linear-gradient(135deg, #002b5c 0%, #00509e 100%);
            padding: 20px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            border-bottom: 4px solid #ffd700;
            position: relative;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -1px;
            color: #ffffff;
            text-decoration: none;
            background: rgba(255, 215, 0, 0.15);
            padding: 0 16px 0 12px;
            border-radius: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: 0.2s;
        }
        .my-logo:hover {
            background: rgba(255, 215, 0, 0.30);
            transform: scale(1.02);
        }
        .my-logo i {
            color: #ffd700;
            font-size: 1.8rem;
        }
        .my-logo span {
            font-weight: 300;
            color: #b8d4f0;
            font-size: 1rem;
            margin-left: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 12px;
        }
        nav a {
            color: #e0edff;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 30px;
            transition: 0.2s;
            white-space: nowrap;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
        }
        nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
            color: #ffd700;
        }
        .breadcrumb {
            background: #f0f4fa;
            padding: 12px 28px;
            font-size: 0.9rem;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb a {
            color: #00509e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            color: #94a3b8;
            font-size: 0.7rem;
            margin: 0 4px;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 500;
        }
        main {
            padding: 32px 28px 48px;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #002b5c;
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
            border-left: 6px solid #ffd700;
            padding-left: 20px;
        }
        h1 i {
            color: #ffd700;
            margin-right: 10px;
        }
        .last-updated {
            display: inline-block;
            background: #eef2f7;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #475569;
            margin: 8px 0 24px 0;
            border: 1px solid #dce3ed;
        }
        .last-updated i {
            margin-right: 6px;
            color: #00509e;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #002b5c;
            margin: 48px 0 16px 0;
            padding-bottom: 8px;
            border-bottom: 3px solid #e2e8f0;
            position: relative;
        }
        h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 80px;
            height: 3px;
            background: #ffd700;
        }
        h2 i {
            color: #ffd700;
            margin-right: 10px;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #003d73;
            margin: 32px 0 12px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        h3 i {
            color: #00509e;
            font-size: 1.2rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #1e3a5f;
            margin: 20px 0 8px 0;
            padding-left: 12px;
            border-left: 3px solid #ffd700;
        }
        p {
            margin-bottom: 16px;
            color: #2d3748;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            border-radius: 16px;
            margin: 24px auto;
            display: block;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
            border: 1px solid #eef2f7;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 5px solid #00509e;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .highlight-box i {
            color: #00509e;
            margin-right: 8px;
        }
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 20px 0;
        }
        .info-card {
            background: #f8fafc;
            border-radius: 12px;
            padding: 18px 20px;
            border: 1px solid #e2e8f0;
            transition: 0.2s;
        }
        .info-card:hover {
            border-color: #00509e;
            box-shadow: 0 4px 16px rgba(0, 80, 158, 0.08);
        }
        .info-card i {
            color: #ffd700;
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        .info-card h4 {
            border-left: none;
            padding-left: 0;
            margin-top: 4px;
        }
        ul,
        ol {
            margin: 12px 0 16px 24px;
            color: #2d3748;
        }
        li {
            margin-bottom: 6px;
        }
        li i {
            color: #ffd700;
            width: 20px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background: #f9fbfd;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid #e2e8f0;
        }
        th {
            background: #002b5c;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 10px 16px;
            border-bottom: 1px solid #e2e8f0;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background: #f0f7ff;
        }
        blockquote {
            background: #f1f5f9;
            border-left: 5px solid #ffd700;
            padding: 16px 24px;
            margin: 20px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1e293b;
        }
        blockquote i {
            color: #ffd700;
            margin-right: 8px;
        }
        .btn {
            display: inline-block;
            background: #00509e;
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: 0.2s;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
        }
        .btn:hover {
            background: #002b5c;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 80, 158, 0.25);
        }
        .btn i {
            margin-right: 8px;
        }
        .search-section {
            background: #f0f4fa;
            border-radius: 16px;
            padding: 24px 28px;
            margin: 32px 0;
            border: 1px solid #dce3ed;
        }
        .search-section form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 2px solid #dce3ed;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
        }
        .search-section input[type="text"]:focus {
            border-color: #00509e;
            box-shadow: 0 0 0 3px rgba(0, 80, 158, 0.10);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 32px 0;
        }
        .feedback-card {
            background: #f9fbfd;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid #e2e8f0;
        }
        .feedback-card h3 {
            margin-top: 0;
        }
        .feedback-card form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feedback-card input,
        .feedback-card textarea,
        .feedback-card select {
            padding: 10px 14px;
            border: 2px solid #dce3ed;
            border-radius: 10px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
        }
        .feedback-card input:focus,
        .feedback-card textarea:focus,
        .feedback-card select:focus {
            border-color: #00509e;
            box-shadow: 0 0 0 3px rgba(0, 80, 158, 0.08);
        }
        .feedback-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .star-select {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d1d5db;
            cursor: pointer;
        }
        .star-select i.active {
            color: #ffd700;
        }
        .star-select i:hover {
            color: #fbbf24;
        }
        friend-link {
            display: block;
            padding: 20px 28px;
            background: #f0f4fa;
            border-top: 2px solid #e2e8f0;
            border-bottom: 2px solid #e2e8f0;
            margin-top: 20px;
        }
        friend-link .fl-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: #002b5c;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }
        friend-link .fl-list a {
            color: #00509e;
            text-decoration: none;
            font-weight: 500;
            padding: 4px 8px;
            border-radius: 6px;
            transition: 0.2s;
        }
        friend-link .fl-list a:hover {
            background: #e2e8f0;
            text-decoration: underline;
        }
        footer {
            background: #002b5c;
            color: #cbd5e1;
            padding: 24px 28px;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        footer a {
            color: #ffd700;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        footer .copyright {
            font-size: 0.85rem;
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 6px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                width: 100%;
                padding: 10px 12px;
                border-radius: 8px;
            }
            h1 {
                font-size: 1.9rem;
                padding-left: 14px;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            main {
                padding: 20px 16px 32px;
            }
            header {
                padding: 14px 16px;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
            footer {
                flex-direction: column;
                text-align: center;
                padding: 18px 16px;
            }
            .table-wrap table {
                font-size: 0.85rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section input[type="text"] {
                width: 100%;
                min-width: unset;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            body {
                padding: 0 8px;
            }
            .container {
                border-radius: 0 0 12px 12px;
            }
            .my-logo {
                font-size: 1.2rem;
                padding: 0 10px 0 8px;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
            .feature-img {
                border-radius: 10px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        .text-gold {
            color: #ffd700;
        }
        .bg-light-blue {
            background: #f0f7ff;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }